Add dependencies locally

This commit is contained in:
Ahrimdon 2024-02-27 03:09:30 -05:00
parent 1679ef60cc
commit 70e8a8502b
5698 changed files with 2770161 additions and 12 deletions

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Subproject commit e64c97fc2cfc11992098bb38eda932de275e3f4d

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AfterControlStatement: true
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BeforeElse: true
AlwaysBreakTemplateDeclarations: true
BreakConstructorInitializersBeforeComma: true
ConstructorInitializerAllOnOneLineOrOnePerLine: true
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AlignTrailingComments: true
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CommentPragmas: '^ NO-FORMAT:'

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include/gsl/* linguist-language=C++

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name: CI_Android
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
jobs:
Android:
runs-on: macos-latest
defaults:
run:
working-directory: build
steps:
- uses: actions/checkout@v2
- name: Create build directory
run: mkdir -p build
working-directory: .
- name: Start emulator
run: |
echo "y" | $ANDROID_HOME/tools/bin/sdkmanager --install 'system-images;android-24;default;x86_64'
echo "no" | $ANDROID_HOME/tools/bin/avdmanager create avd -n xamarin_android_emulator -k 'system-images;android-24;default;x86_64' --force
$ANDROID_HOME/emulator/emulator -list-avds
echo "Starting emulator"
# Start emulator in background
nohup $ANDROID_HOME/emulator/emulator -avd xamarin_android_emulator -no-snapshot > /dev/null 2>&1 &
echo "Emulator starting"
- name: Configure
run: cmake -Werror=dev -DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK_LATEST_HOME/build/cmake/android.toolchain.cmake -DANDROID_PLATFORM=16 -DANDROID_ABI=x86_64 -DCMAKE_BUILD_TYPE=Debug ..
- name: Build
run: cmake --build . --parallel
- name: Wait for emulator ready
run: |
$ANDROID_HOME/platform-tools/adb wait-for-device shell 'while [[ -z $(getprop sys.boot_completed | tr -d '\r') ]]; do sleep 10; done; input keyevent 82'
$ANDROID_HOME/platform-tools/adb devices
$ANDROID_HOME/platform-tools/adb shell getprop ro.product.cpu.abi
echo "Emulator started"
- name: Deploy tests
run: |
adb push tests /data/local/tmp
adb shell find /data/local/tmp/tests -maxdepth 1 -exec chmod +x {} \\\;
- name: Test
run: adb shell find /data/local/tmp/tests -name "*_tests" -maxdepth 1 -exec {} \\\;

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name: cmake_find_package
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
jobs:
cmake-find-package:
name: Build ${{ matrix.os }}
runs-on: ${{ matrix.os }}
strategy:
matrix:
os: [ ubuntu-latest, macos-latest ]
steps:
- uses: actions/checkout@v3
- uses: lukka/get-cmake@latest
with:
cmakeVersion: 3.14.0
- name: Configure GSL
run: cmake -S . -B build -G "Ninja" -D GSL_TEST=OFF -D CMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/build/install
- name: Install GSL
run: cmake --build build --target install
- name: Test GSL find_package support
run: cmake -S tests/ -B build/tests_find_package -G "Ninja" -D CMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/build/install -D CMAKE_BUILD_TYPE=Release

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name: CI_iOS
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
jobs:
iOS:
runs-on: macos-latest
defaults:
run:
working-directory: build
steps:
- uses: actions/checkout@v2
- name: Create build directory
run: mkdir -p build
working-directory: .
- name: Configure
run: |
cmake \
-Werror=dev \
-GXcode \
-DCMAKE_SYSTEM_NAME=iOS \
"-DCMAKE_OSX_ARCHITECTURES=arm64;x86_64" \
-DCMAKE_OSX_DEPLOYMENT_TARGET=9 \
-DCMAKE_TRY_COMPILE_TARGET_TYPE=STATIC_LIBRARY \
"-DMACOSX_BUNDLE_GUI_IDENTIFIER=GSL.\$(EXECUTABLE_NAME)" \
-DMACOSX_BUNDLE_BUNDLE_VERSION=3.1.0 \
-DMACOSX_BUNDLE_SHORT_VERSION_STRING=3.1.0 \
..
- name: Build
run: cmake --build . --parallel `sysctl -n hw.ncpu` --config Release -- -sdk iphonesimulator
- name: Start simulator
run: |
RUNTIME=`xcrun simctl list runtimes iOS -j|jq '.runtimes|last.identifier'`
UDID=`xcrun simctl list devices iPhone available -j|jq -r ".devices[$RUNTIME]|last.udid"`
xcrun simctl bootstatus $UDID -b
- name: Test
run: |
for TEST in `find tests/Release-iphonesimulator -depth 1 -name "*.app"`
do
xcrun simctl install booted $TEST
TEST_ID=`plutil -convert json -o - $TEST/Info.plist|jq -r ".CFBundleIdentifier"`
xcrun simctl launch --console booted $TEST_ID
xcrun simctl uninstall booted $TEST_ID
done

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CMakeFiles
build
tests/CMakeFiles
tests/Debug
*.opensdf
*.sdf
tests/*tests.dir
*.vcxproj
*.vcxproj.filters
*.sln
*.tlog
Testing/Temporary/*.*
CMakeCache.txt
*.suo
.vs/
.vscode/

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cmake_minimum_required(VERSION 3.14...3.16)
project(GSL VERSION 4.0.0 LANGUAGES CXX)
add_library(GSL INTERFACE)
add_library(Microsoft.GSL::GSL ALIAS GSL)
# https://cmake.org/cmake/help/latest/variable/PROJECT_IS_TOP_LEVEL.html
string(COMPARE EQUAL ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_SOURCE_DIR} PROJECT_IS_TOP_LEVEL)
option(GSL_INSTALL "Generate and install GSL target" ${PROJECT_IS_TOP_LEVEL})
option(GSL_TEST "Build and perform GSL tests" ${PROJECT_IS_TOP_LEVEL})
# The implementation generally assumes a platform that implements C++14 support
target_compile_features(GSL INTERFACE "cxx_std_14")
# Setup include directory
add_subdirectory(include)
target_sources(GSL INTERFACE $<BUILD_INTERFACE:${GSL_SOURCE_DIR}/GSL.natvis>)
if (GSL_TEST)
enable_testing()
add_subdirectory(tests)
endif()
if (GSL_INSTALL)
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/gsl" DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
set(export_name "Microsoft.GSLConfig")
set(namespace "Microsoft.GSL::")
set(cmake_files_install_dir ${CMAKE_INSTALL_DATADIR}/cmake/Microsoft.GSL)
install(TARGETS GSL EXPORT ${export_name} INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(EXPORT ${export_name} NAMESPACE ${namespace} DESTINATION ${cmake_files_install_dir})
export(TARGETS GSL NAMESPACE ${namespace} FILE ${export_name}.cmake)
set(gls_config_version "${CMAKE_CURRENT_BINARY_DIR}/Microsoft.GSLConfigVersion.cmake")
write_basic_package_version_file(${gls_config_version} COMPATIBILITY SameMajorVersion ARCH_INDEPENDENT)
install(FILES ${gls_config_version} DESTINATION ${cmake_files_install_dir})
install(FILES GSL.natvis DESTINATION ${cmake_files_install_dir})
endif()

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{
"configurations": [
{
"name": "x64-Debug",
"generator": "Ninja",
"configurationType": "Debug",
"inheritEnvironments": [
"msvc_x64_x64"
],
"buildRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\build\\${name}",
"installRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\install\\${name}",
"cmakeCommandArgs": "-DGSL_CXX_STANDARD=17",
"buildCommandArgs": "-v",
"ctestCommandArgs": "",
"codeAnalysisRuleset": "CppCoreCheckRules.ruleset"
}
]
}

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## Contributing to the Guidelines Support Library
The Guidelines Support Library (GSL) contains functions and types that are suggested for use by the
[C++ Core Guidelines](https://github.com/isocpp/CppCoreGuidelines). GSL design changes are made only as a result of modifications to the Guidelines.
GSL is accepting contributions that improve or refine any of the types in this library as well as ports to other platforms. Changes should have an issue
tracking the suggestion that has been approved by the maintainers. Your pull request should include a link to the bug that you are fixing. If you've submitted
a PR, please post a comment in the associated issue to avoid duplication of effort.
## Legal
You will need to complete a Contributor License Agreement (CLA). Briefly, this agreement testifies that you are granting us and the community permission to
use the submitted change according to the terms of the project's license, and that the work being submitted is under appropriate copyright.
Please submit a Contributor License Agreement (CLA) before submitting a pull request. You may visit https://cla.microsoft.com to sign digitally.
## Housekeeping
Your pull request should:
* Include a description of what your change intends to do
* Be a child commit of a reasonably recent commit in the **main** branch
* Requests need not be a single commit, but should be a linear sequence of commits (i.e. no merge commits in your PR)
* It is desirable, but not necessary, for the tests to pass at each commit. Please see [README.md](./README.md) for instructions to build the test suite.
* Have clear commit messages
* e.g. "Fix issue", "Add tests for type", etc.
* Include appropriate tests
* Tests should include reasonable permutations of the target fix/change
* Include baseline changes with your change
* All changed code must have 100% code coverage
* To avoid line ending issues, set `autocrlf = input` and `whitespace = cr-at-eol` in your git configuration

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<?xml version="1.0" encoding="utf-8"?>
<!--
This will make GitHub and some editors recognize this code as XML:
vim: syntax=xml
-->
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">
<!-- These types are from the util header. -->
<Type Name="gsl::final_action&lt;*&gt;">
<DisplayString>{{ invoke = {invoke_}, action = {f_} }}</DisplayString>
<Expand>
<Item Name="[invoke]">invoke_</Item>
<Item Name="[callback]">f_</Item>
</Expand>
</Type>
<!-- These types are from the span header. -->
<Type Name="gsl::span&lt;*, *&gt;">
<DisplayString>{{ extent = {storage_.size_} }}</DisplayString>
<Expand>
<ArrayItems>
<Size>storage_.size_</Size>
<ValuePointer>storage_.data_</ValuePointer>
</ArrayItems>
</Expand>
</Type>
<!-- These types are from the pointers header. -->
<Type Name="gsl::not_null&lt;*&gt;">
<!-- We can always dereference this since it's an invariant. -->
<DisplayString>value = {*ptr_}</DisplayString>
</Type>
</AutoVisualizer>

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Copyright (c) 2015 Microsoft Corporation. All rights reserved.
This code is licensed under the MIT License (MIT).
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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# GSL: Guidelines Support Library
[![Build Status](https://dev.azure.com/cppstat/GSL/_apis/build/status/microsoft.GSL?branchName=main)](https://dev.azure.com/cppstat/GSL/_build/latest?definitionId=1&branchName=main)
The Guidelines Support Library (GSL) contains functions and types that are suggested for use by the
[C++ Core Guidelines](https://github.com/isocpp/CppCoreGuidelines) maintained by the [Standard C++ Foundation](https://isocpp.org).
This repo contains Microsoft's implementation of GSL.
The entire implementation is provided inline in the headers under the [gsl](./include/gsl) directory. The implementation generally assumes a platform that implements C++14 support.
While some types have been broken out into their own headers (e.g. [gsl/span](./include/gsl/span)),
it is simplest to just include [gsl/gsl](./include/gsl/gsl) and gain access to the entire library.
> NOTE: We encourage contributions that improve or refine any of the types in this library as well as ports to
other platforms. Please see [CONTRIBUTING.md](./CONTRIBUTING.md) for more information about contributing.
# Project Code of Conduct
This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
# Usage of Third Party Libraries
This project makes use of the [Google Test](https://github.com/google/googletest) testing library. Please see the [ThirdPartyNotices.txt](./ThirdPartyNotices.txt) file for details regarding the licensing of Google Test.
# Supported features
## Microsoft GSL implements the following from the C++ Core Guidelines:
Feature | Supported? | Description
-------------------------------------------------------------------------|:----------:|-------------
[**1. Views**][cg-views] | |
[owner](docs/headers.md#user-content-H-pointers-owner) | &#x2611; | An alias for a raw pointer
[not_null](docs/headers.md#user-content-H-pointers-not_null) | &#x2611; | Restricts a pointer/smart pointer to hold non-null values
[span](docs/headers.md#user-content-H-span-span) | &#x2611; | A view over a contiguous sequence of memory. Based on the standardized version of `std::span`, however `gsl::span` enforces bounds checking.
span_p | &#x2610; | Spans a range starting from a pointer to the first place for which the predicate is true
[basic_zstring](docs/headers.md#user-content-H-zstring) | &#x2611; | A pointer to a C-string (zero-terminated array) with a templated char type
[zstring](docs/headers.md#user-content-H-zstring) | &#x2611; | An alias to `basic_zstring` with dynamic extent and a char type of `char`
[czstring](docs/headers.md#user-content-H-zstring) | &#x2611; | An alias to `basic_zstring` with dynamic extent and a char type of `const char`
[wzstring](docs/headers.md#user-content-H-zstring) | &#x2611; | An alias to `basic_zstring` with dynamic extent and a char type of `wchar_t`
[cwzstring](docs/headers.md#user-content-H-zstring) | &#x2611; | An alias to `basic_zstring` with dynamic extent and a char type of `const wchar_t`
[u16zstring](docs/headers.md#user-content-H-zstring) | &#x2611; | An alias to `basic_zstring` with dynamic extent and a char type of `char16_t`
[cu16zstring](docs/headers.md#user-content-H-zstring) | &#x2611; | An alias to `basic_zstring` with dynamic extent and a char type of `const char16_t`
[u32zstring](docs/headers.md#user-content-H-zstring) | &#x2611; | An alias to `basic_zstring` with dynamic extent and a char type of `char32_t`
[cu32zstring](docs/headers.md#user-content-H-zstring) | &#x2611; | An alias to `basic_zstring` with dynamic extent and a char type of `const char32_t`
[**2. Owners**][cg-owners] | |
[unique_ptr](docs/headers.md#user-content-H-pointers-unique_ptr) | &#x2611; | An alias to `std::unique_ptr`
[shared_ptr](docs/headers.md#user-content-H-pointers-shared_ptr) | &#x2611; | An alias to `std::shared_ptr`
stack_array | &#x2610; | A stack-allocated array
dyn_array | &#x2610; | A heap-allocated array
[**3. Assertions**][cg-assertions] | |
[Expects](docs/headers.md#user-content-H-assert-expects) | &#x2611; | A precondition assertion; on failure it terminates
[Ensures](docs/headers.md#user-content-H-assert-ensures) | &#x2611; | A postcondition assertion; on failure it terminates
[**4. Utilities**][cg-utilities] | |
move_owner | &#x2610; | A helper function that moves one `owner` to the other
[byte](docs/headers.md#user-content-H-byte-byte) | &#x2611; | Either an alias to `std::byte` or a byte type
[final_action](docs/headers.md#user-content-H-util-final_action) | &#x2611; | A RAII style class that invokes a functor on its destruction
[finally](docs/headers.md#user-content-H-util-finally) | &#x2611; | A helper function instantiating [final_action](docs/headers.md#user-content-H-util-final_action)
[GSL_SUPPRESS](docs/headers.md#user-content-H-assert-gsl_suppress) | &#x2611; | A macro that takes an argument and turns it into `[[gsl::suppress(x)]]` or `[[gsl::suppress("x")]]`
[[implicit]] | &#x2610; | A "marker" to put on single-argument constructors to explicitly make them non-explicit
[index](docs/headers.md#user-content-H-util-index) | &#x2611; | A type to use for all container and array indexing (currently an alias for `std::ptrdiff_t`)
joining_thread | &#x2610; | A RAII style version of `std::thread` that joins
[narrow](docs/headers.md#user-content-H-narrow-narrow) | &#x2611; | A checked version of `narrow_cast`; it can throw [narrowing_error](docs/headers.md#user-content-H-narrow-narrowing_error)
[narrow_cast](docs/headers.md#user-content-H-util-narrow_cast) | &#x2611; | A narrowing cast for values and a synonym for `static_cast`
[narrowing_error](docs/headers.md#user-content-H-narrow-narrowing_error) | &#x2611; | A custom exception type thrown by [narrow](docs/headers.md#user-content-H-narrow-narrow)
[**5. Concepts**][cg-concepts] | &#x2610; |
## The following features do not exist in or have been removed from the C++ Core Guidelines:
Feature | Supported? | Description
-----------------------------------|:----------:|-------------
[strict_not_null](docs/headers.md#user-content-H-pointers-strict_not_null) | &#x2611; | A stricter version of [not_null](docs/headers.md#user-content-H-pointers-not_null) with explicit constructors
multi_span | &#x2610; | Deprecated. Multi-dimensional span.
strided_span | &#x2610; | Deprecated. Support for this type has been discontinued.
basic_string_span | &#x2610; | Deprecated. Like `span` but for strings with a templated char type
string_span | &#x2610; | Deprecated. An alias to `basic_string_span` with a char type of `char`
cstring_span | &#x2610; | Deprecated. An alias to `basic_string_span` with a char type of `const char`
wstring_span | &#x2610; | Deprecated. An alias to `basic_string_span` with a char type of `wchar_t`
cwstring_span | &#x2610; | Deprecated. An alias to `basic_string_span` with a char type of `const wchar_t`
u16string_span | &#x2610; | Deprecated. An alias to `basic_string_span` with a char type of `char16_t`
cu16string_span | &#x2610; | Deprecated. An alias to `basic_string_span` with a char type of `const char16_t`
u32string_span | &#x2610; | Deprecated. An alias to `basic_string_span` with a char type of `char32_t`
cu32string_span | &#x2610; | Deprecated. An alias to `basic_string_span` with a char type of `const char32_t`
This is based on [CppCoreGuidelines semi-specification](https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#gsl-guidelines-support-library).
[cg-views]: https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#gslview-views
[cg-owners]: https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#gslowner-ownership-pointers
[cg-assertions]: https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#gslassert-assertions
[cg-utilities]: https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#gslutil-utilities
[cg-concepts]: https://github.com/isocpp/CppCoreGuidelines/blob/master/CppCoreGuidelines.md#gslconcept-concepts
# Quick Start
## Supported Compilers / Toolsets
The GSL officially supports the latest and previous major versions of VS with MSVC & LLVM, GCC, Clang, and XCode with Apple-Clang.
Within these two major versions, we try to target the latest minor updates / revisions (although this may be affected by
delays between a toolchain's release and when it becomes widely available for use).
Below is a table showing the versions currently being tested.
Compiler |Toolset Versions Currently Tested
:------- |--:
XCode | 13.2.1 & 12.5.1
GCC | 11[^1] & 10[^2]
Clang | 12[^2] & 11[^2]
Visual Studio with MSVC | VS2022[^3] & VS2019[^4]
Visual Studio with LLVM | VS2022[^3] & VS2019[^4]
[^1]: Precise version may be found in the [latest CI results](https://dev.azure.com/cppstat/GSL/_build?definitionId=1&branchFilter=26).
[^2]: Precise version may be found in the [latest CI results](https://dev.azure.com/cppstat/GSL/_build?definitionId=1&branchFilter=26). Should be the version specified [here](https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu2004-Readme.md#language-and-runtime).
[^3]: Precise version may be found in the [latest CI results](https://dev.azure.com/cppstat/GSL/_build?definitionId=1&branchFilter=26). Should be the version specified [here](https://github.com/actions/virtual-environments/blob/main/images/win/Windows2022-Readme.md#visual-studio-enterprise-2022).
[^4]: Precise version may be found in the [latest CI results](https://dev.azure.com/cppstat/GSL/_build?definitionId=1&branchFilter=26). Should be the version specified [here](https://github.com/actions/virtual-environments/blob/main/images/win/Windows2019-Readme.md#visual-studio-enterprise-2019).
---
If you successfully port GSL to another platform, we would love to hear from you!
- Submit an issue specifying the platform and target.
- Consider contributing your changes by filing a pull request with any necessary changes.
- If at all possible, add a CI/CD step and add the button to the table below!
Target | CI/CD Status
:------- | -----------:
iOS | ![CI_iOS](https://github.com/microsoft/GSL/workflows/CI_iOS/badge.svg)
Android | ![CI_Android](https://github.com/microsoft/GSL/workflows/CI_Android/badge.svg)
Note: These CI/CD steps are run with each pull request, however failures in them are non-blocking.
## Building the tests
To build the tests, you will require the following:
* [CMake](http://cmake.org), version 3.14 or later to be installed and in your PATH.
These steps assume the source code of this repository has been cloned into a directory named `c:\GSL`.
1. Create a directory to contain the build outputs for a particular architecture (we name it `c:\GSL\build-x86` in this example).
cd GSL
md build-x86
cd build-x86
2. Configure CMake to use the compiler of your choice (you can see a list by running `cmake --help`).
cmake -G "Visual Studio 15 2017" c:\GSL
3. Build the test suite (in this case, in the Debug configuration, Release is another good choice).
cmake --build . --config Debug
4. Run the test suite.
ctest -C Debug
All tests should pass - indicating your platform is fully supported and you are ready to use the GSL types!
## Building GSL - Using vcpkg
You can download and install GSL using the [vcpkg](https://github.com/Microsoft/vcpkg) dependency manager:
git clone https://github.com/Microsoft/vcpkg.git
cd vcpkg
./bootstrap-vcpkg.sh
./vcpkg integrate install
vcpkg install ms-gsl
The GSL port in vcpkg is kept up to date by Microsoft team members and community contributors. If the version is out of date, please [create an issue or pull request](https://github.com/Microsoft/vcpkg) on the vcpkg repository.
## Using the libraries
As the types are entirely implemented inline in headers, there are no linking requirements.
You can copy the [gsl](./include/gsl) directory into your source tree so it is available
to your compiler, then include the appropriate headers in your program.
Alternatively set your compiler's *include path* flag to point to the GSL development folder (`c:\GSL\include` in the example above) or installation folder (after running the install). Eg.
MSVC++
/I c:\GSL\include
GCC/clang
-I$HOME/dev/GSL/include
Include the library using:
#include <gsl/gsl>
## Usage in CMake
The library provides a Config file for CMake, once installed it can be found via `find_package`.
Which, when successful, will add library target called `Microsoft.GSL::GSL` which you can use via the usual
`target_link_libraries` mechanism.
```cmake
find_package(Microsoft.GSL CONFIG REQUIRED)
target_link_libraries(foobar PRIVATE Microsoft.GSL::GSL)
```
### FetchContent
If you are using CMake version 3.11+ you can use the offical [FetchContent module](https://cmake.org/cmake/help/latest/module/FetchContent.html).
This allows you to easily incorporate GSL into your project.
```cmake
# NOTE: This example uses CMake version 3.14 (FetchContent_MakeAvailable).
# Since it streamlines the FetchContent process
cmake_minimum_required(VERSION 3.14)
include(FetchContent)
FetchContent_Declare(GSL
GIT_REPOSITORY "https://github.com/microsoft/GSL"
GIT_TAG "v4.0.0"
GIT_SHALLOW ON
)
FetchContent_MakeAvailable(GSL)
target_link_libraries(foobar PRIVATE Microsoft.GSL::GSL)
```
## Debugging visualization support
For Visual Studio users, the file [GSL.natvis](./GSL.natvis) in the root directory of the repository can be added to your project if you would like more helpful visualization of GSL types in the Visual Studio debugger than would be offered by default.

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<!-- BEGIN MICROSOFT SECURITY.MD V0.0.7 BLOCK -->
## Security
Microsoft takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organizations, which include [Microsoft](https://github.com/Microsoft), [Azure](https://github.com/Azure), [DotNet](https://github.com/dotnet), [AspNet](https://github.com/aspnet), [Xamarin](https://github.com/xamarin), and [our GitHub organizations](https://opensource.microsoft.com/).
If you believe you have found a security vulnerability in any Microsoft-owned repository that meets [Microsoft's definition of a security vulnerability](https://aka.ms/opensource/security/definition), please report it to us as described below.
## Reporting Security Issues
**Please do not report security vulnerabilities through public GitHub issues.**
Instead, please report them to the Microsoft Security Response Center (MSRC) at [https://msrc.microsoft.com/create-report](https://aka.ms/opensource/security/create-report).
If you prefer to submit without logging in, send email to [secure@microsoft.com](mailto:secure@microsoft.com). If possible, encrypt your message with our PGP key; please download it from the [Microsoft Security Response Center PGP Key page](https://aka.ms/opensource/security/pgpkey).
You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Additional information can be found at [microsoft.com/msrc](https://aka.ms/opensource/security/msrc).
Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue:
* Type of issue (e.g. buffer overflow, SQL injection, cross-site scripting, etc.)
* Full paths of source file(s) related to the manifestation of the issue
* The location of the affected source code (tag/branch/commit or direct URL)
* Any special configuration required to reproduce the issue
* Step-by-step instructions to reproduce the issue
* Proof-of-concept or exploit code (if possible)
* Impact of the issue, including how an attacker might exploit the issue
This information will help us triage your report more quickly.
If you are reporting for a bug bounty, more complete reports can contribute to a higher bounty award. Please visit our [Microsoft Bug Bounty Program](https://aka.ms/opensource/security/bounty) page for more details about our active programs.
## Preferred Languages
We prefer all communications to be in English.
## Policy
Microsoft follows the principle of [Coordinated Vulnerability Disclosure](https://aka.ms/opensource/security/cvd).
<!-- END MICROSOFT SECURITY.MD BLOCK -->

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THIRD-PARTY SOFTWARE NOTICES AND INFORMATION
Do Not Translate or Localize
GSL: Guidelines Support Library incorporates third party material from the projects listed below.
-------------------------------------------------------------------------------
Software: Google Test
Owner: Google Inc.
Source URL: github.com/google/googletest
License: BSD 3 - Clause
Text:
Copyright 2008, Google Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-------------------------------------------------------------------------------

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trigger:
- main
pr:
autoCancel: true
stages:
- stage: GCC
dependsOn: []
jobs:
- template: ./pipelines/jobs.yml
parameters:
compiler: gcc
image: ubuntu-20.04
compilerVersions: [ 11, 10 ]
setupfile: 'setup_gcc.yml'
- stage: Clang
dependsOn: []
jobs:
- template: ./pipelines/jobs.yml
parameters:
compiler: clang
image: ubuntu-20.04
compilerVersions: [ 12, 11 ]
setupfile: 'setup_clang.yml'
- stage: Xcode
dependsOn: []
jobs:
- template: ./pipelines/jobs.yml
parameters:
compiler: 'Xcode'
image: macOS-11
compilerVersions: [ '12.5.1', '13.2.1' ]
setupfile: 'setup_apple.yml'
- stage: VS_MSVC
dependsOn: []
jobs:
- template: ./pipelines/jobs.yml
parameters:
compiler: 'VS2019 (MSVC)'
compilerVersions: [ 'default' ]
image: windows-2019
- template: ./pipelines/jobs.yml
parameters:
compiler: 'VS2022 (MSVC)'
compilerVersions: [ 'default' ]
image: windows-2022
- stage: VS_LLVM
dependsOn: []
jobs:
- template: ./pipelines/jobs.yml
parameters:
compiler: 'VS2019 (LLVM)'
compilerVersions: [ 'default' ]
image: windows-2019
extraCmakeArgs: '-T ClangCL'
- template: ./pipelines/jobs.yml
parameters:
compiler: 'VS2022 (LLVM)'
compilerVersions: [ 'default' ]
image: windows-2022
extraCmakeArgs: '-T ClangCL'

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The Guidelines Support Library (GSL) interface is very lightweight and exposed via a header-only library. This document attempts to document all of the headers and their exposed classes and functions.
Types and functions are exported in the namespace `gsl`.
See [GSL: Guidelines support library](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#S-gsl)
# <a name="H" />Headers
- [`<algorithms>`](#user-content-H-algorithms)
- [`<assert>`](#user-content-H-assert)
- [`<byte>`](#user-content-H-byte)
- [`<gsl>`](#user-content-H-gsl)
- [`<narrow>`](#user-content-H-narrow)
- [`<pointers>`](#user-content-H-pointers)
- [`<span>`](#user-content-H-span)
- [`<span_ext>`](#user-content-H-span_ext)
- [`<zstring>`](#user-content-H-zstring)
- [`<util>`](#user-content-H-util)
## <a name="H-algorithms" />`<algorithms>`
This header contains some common algorithms that have been wrapped in GSL safety features.
- [`gsl::copy`](#user-content-H-algorithms-copy)
### <a name="H-algorithms-copy" />`gsl::copy`
```cpp
template <class SrcElementType, std::size_t SrcExtent, class DestElementType,
std::size_t DestExtent>
void copy(span<SrcElementType, SrcExtent> src, span<DestElementType, DestExtent> dest);
```
This function copies the content from the `src` [`span`](#user-content-H-span-span) to the `dest` [`span`](#user-content-H-span-span). It [`Expects`](#user-content-H-assert-expects)
that the destination `span` is at least as large as the source `span`.
## <a name="H-assert" />`<assert>`
This header contains some macros used for contract checking and suppressing code analysis warnings.
See [GSL.assert: Assertions](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#SS-assertions)
- [`GSL_SUPPRESS`](#user-content-H-assert-gsl_suppress)
- [`Expects`](#user-content-H-assert-expects)
- [`Ensures`](#user-content-H-assert-ensures)
### <a name="H-assert-gsl_suppress" />`GSL_SUPPRESS`
This macro can be used to suppress a code analysis warning.
The core guidelines request tools that check for the rules to respect suppressing a rule by writing
`[[gsl::suppress(tag)]]` or `[[gsl::suppress(tag, justification: "message")]]`.
Clang does not use exactly that syntax, but requires `tag` to be put in double quotes `[[gsl::suppress("tag")]]`.
For portable code you can use `GSL_SUPPRESS(tag)`.
See [In.force: Enforcement](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#inforce-enforcement).
### <a name="H-assert-expects" />`Expects`
This macro can be used for expressing a precondition. If the precondition is not held, then `std::terminate` will be called.
See [I.6: Prefer `Expects()` for expressing preconditions](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#i6-prefer-expects-for-expressing-preconditions)
### <a name="H-assert-ensures" />`Ensures`
This macro can be used for expressing a postcondition. If the postcondition is not held, then `std::terminate` will be called.
See [I.8: Prefer `Ensures()` for expressing postconditions](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#i8-prefer-ensures-for-expressing-postconditions)
## <a name="H-byte" />`<byte>`
This header contains the definition of a byte type, implementing `std::byte` before it was standardized into C++17.
- [`gsl::byte`](#user-content-H-byte-byte)
### <a name="H-byte-byte" />`gsl::byte`
If `GSL_USE_STD_BYTE` is defined to be `1`, then `gsl::byte` will be an alias to `std::byte`.
If `GSL_USE_STD_BYTE` is defined to be `0`, then `gsl::byte` will be a distinct type that implements the concept of byte.
If `GSL_USE_STD_BYTE` is not defined, then the header file will check if `std::byte` is available (C\+\+17 or higher). If yes,
`gsl::byte` will be an alias to `std::byte`, otherwise `gsl::byte` will be a distinct type that implements the concept of byte.
&#x26a0; Take care when linking projects that were compiled with different language standards (before C\+\+17 and C\+\+17 or higher).
If you do so, you might want to `#define GSL_USE_STD_BYTE 0` to a fixed value to be sure that both projects use exactly
the same type. Otherwise you might get linker errors.
See [SL.str.5: Use `std::byte` to refer to byte values that do not necessarily represent characters](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rstr-byte)
### Non-member functions
```cpp
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr byte& operator<<=(byte& b, IntegerType shift) noexcept;
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr byte operator<<(byte b, IntegerType shift) noexcept;
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr byte& operator>>=(byte& b, IntegerType shift) noexcept;
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr byte operator>>(byte b, IntegerType shift) noexcept;
```
Left or right shift a `byte` by a given number of bits.
```cpp
constexpr byte& operator|=(byte& l, byte r) noexcept;
constexpr byte operator|(byte l, byte r) noexcept;
```
Bitwise "or" of two `byte`s.
```cpp
constexpr byte& operator&=(byte& l, byte r) noexcept;
constexpr byte operator&(byte l, byte r) noexcept;
```
Bitwise "and" of two `byte`s.
```cpp
constexpr byte& operator^=(byte& l, byte r) noexcept;
constexpr byte operator^(byte l, byte r) noexcept;
```
Bitwise xor of two `byte`s.
```cpp
constexpr byte operator~(byte b) noexcept;
```
Bitwise negation of a `byte`. Flips all bits. Zeroes become ones, ones become zeroes.
```cpp
template <typename T>
constexpr byte to_byte(T t) noexcept;
```
Convert the given value to a `byte`. The template requires `T` to be an `unsigned char` so that no data loss can occur.
If you want to convert an integer constant to a `byte` you probably want to call `to_byte<integer constant>()`.
```cpp
template <int I>
constexpr byte to_byte() noexcept;
```
Convert the given value `I` to a `byte`. The template requires `I` to be in the valid range 0..255 for a `gsl::byte`.
## <a name="H-gsl" />`<gsl>`
This header is a convenience header that includes all other [GSL headers](#user-content-H).
Since `<narrow>` requires exceptions, it will only be included if exceptions are enabled.
## <a name="H-narrow" />`<narrow>`
This header contains utility functions and classes, for narrowing casts, which require exceptions. The narrowing-related utilities that don't require exceptions are found inside [util](#user-content-H-util).
See [GSL.util: Utilities](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#SS-utilities)
- [`gsl::narrowing_error`](#user-content-H-narrow-narrowing_error)
- [`gsl::narrow`](#user-content-H-narrow-narrow)
### <a name="H-narrow-narrowing_error" />`gsl::narrowing_error`
`gsl::narrowing_error` is the exception thrown by [`gsl::narrow`](#user-content-H-narrow-narrow) when a narrowing conversion fails. It is derived from `std::exception`.
### <a name="H-narrow-narrow" />`gsl::narrow`
`gsl::narrow<T>(x)` is a named cast that does a `static_cast<T>(x)` for narrowing conversions with no signedness promotions.
If the argument `x` cannot be represented in the target type `T`, then the function throws a [`gsl::narrowing_error`](#user-content-H-narrow-narrowing_error) (e.g., `narrow<unsigned>(-42)` and `narrow<char>(300)` throw).
Note: compare [`gsl::narrow_cast`](#user-content-H-util-narrow_cast) in header [util](#user-content-H-util).
See [ES.46: Avoid lossy (narrowing, truncating) arithmetic conversions](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Res-narrowing) and [ES.49: If you must use a cast, use a named cast](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Res-casts-named)
## <a name="H-pointers" />`<pointers>`
This header contains some pointer types.
See [GSL.view](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#SS-views)
- [`gsl::unique_ptr`](#user-content-H-pointers-unique_ptr)
- [`gsl::shared_ptr`](#user-content-H-pointers-shared_ptr)
- [`gsl::owner`](#user-content-H-pointers-owner)
- [`gsl::not_null`](#user-content-H-pointers-not_null)
- [`gsl::strict_not_null`](#user-content-H-pointers-strict_not_null)
### <a name="H-pointers-unique_ptr" />`gsl::unique_ptr`
`gsl::unique_ptr` is an alias to `std::unique_ptr`.
See [GSL.owner: Ownership pointers](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#SS-ownership)
### <a name="H-pointers-shared_ptr" />`gsl::shared_ptr`
`gsl::shared_ptr` is an alias to `std::shared_ptr`.
See [GSL.owner: Ownership pointers](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#SS-ownership)
### <a name="H-pointers-owner" />`gsl::owner`
`gsl::owner<T>` is designed as a safety mechanism for code that must deal directly with raw pointers that own memory. Ideally such code should be restricted to the implementation of low-level abstractions. `gsl::owner` can also be used as a stepping point in converting legacy code to use more modern RAII constructs such as smart pointers.
`T` must be a pointer type (`std::is_pointer<T>`).
A `gsl::owner<T>` is a typedef to `T`. It adds no runtime overhead whatsoever, as it is purely syntactic and does not add any runtime checks. Instead, it serves as an annotation for static analysis tools which check for memory safety, and as a code comprehension guide for human readers.
See Enforcement section of [C.31: All resources acquired by a class must be released by the classs destructor](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rc-dtor-release).
### <a name="H-pointers-not_null" />`gsl::not_null`
`gsl::not_null<T>` restricts a pointer or smart pointer to only hold non-null values. It has no size overhead over `T`.
The checks for ensuring that the pointer is not null are done in the constructor. There is no overhead when retrieving or dereferencing the checked pointer.
When a nullptr check fails, `std::terminate` is called.
See [F.23: Use a `not_null<T>` to indicate that “null” is not a valid value](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rf-nullptr)
#### Member functions
##### Construct/Copy
```cpp
template <typename U, typename = std::enable_if_t<std::is_convertible<U, T>::value>>
constexpr not_null(U&& u);
template <typename = std::enable_if_t<!std::is_same<std::nullptr_t, T>::value>>
constexpr not_null(T u);
```
Constructs a `gsl_owner<T>` from a pointer that is convertible to `T` or that is a `T`. It [`Expects`](#user-content-H-assert-expects) that the provided pointer is not `== nullptr`.
```cpp
template <typename U, typename = std::enable_if_t<std::is_convertible<U, T>::value>>
constexpr not_null(const not_null<U>& other);
```
Constructs a `gsl_owner<T>` from another `gsl_owner` where the other pointer is convertible to `T`. It [`Expects`](#user-content-H-assert-expects) that the provided pointer is not `== nullptr`.
```cpp
not_null(const not_null& other) = default;
not_null& operator=(const not_null& other) = default;
```
Copy construction and assignment.
```cpp
not_null(std::nullptr_t) = delete;
not_null& operator=(std::nullptr_t) = delete;
```
Construction from `std::nullptr_t` and assignment of `std::nullptr_t` are explicitly deleted.
##### Modifiers
```cpp
not_null& operator++() = delete;
not_null& operator--() = delete;
not_null operator++(int) = delete;
not_null operator--(int) = delete;
not_null& operator+=(std::ptrdiff_t) = delete;
not_null& operator-=(std::ptrdiff_t) = delete;
```
Explicitly deleted operators. Pointers point to single objects ([I.13: Do not pass an array as a single pointer](http://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Ri-array)), so don't allow these operators.
##### Observers
```cpp
constexpr details::value_or_reference_return_t<T> get() const;
constexpr operator T() const { return get(); }
```
Get the underlying pointer.
```cpp
constexpr decltype(auto) operator->() const { return get(); }
constexpr decltype(auto) operator*() const { return *get(); }
```
Dereference the underlying pointer.
```cpp
void operator[](std::ptrdiff_t) const = delete;
```
Array index operator is explicitly deleted. Pointers point to single objects ([I.13: Do not pass an array as a single pointer](http://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Ri-array)), so don't allow treating them as an array.
#### Non-member functions
```cpp
template <class T>
auto make_not_null(T&& t) noexcept;
```
Creates a `gsl::not_null` object, deducing the target type from the type of the argument.
```cpp
template <class T, class U>
auto operator==(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(lhs.get() == rhs.get()))
-> decltype(lhs.get() == rhs.get());
template <class T, class U>
auto operator!=(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(lhs.get() != rhs.get()))
-> decltype(lhs.get() != rhs.get());
template <class T, class U>
auto operator<(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(lhs.get() < rhs.get()))
-> decltype(lhs.get() < rhs.get());
template <class T, class U>
auto operator<=(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(lhs.get() <= rhs.get()))
-> decltype(lhs.get() <= rhs.get());
template <class T, class U>
auto operator>(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(lhs.get() > rhs.get()))
-> decltype(lhs.get() > rhs.get());
template <class T, class U>
auto operator>=(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(lhs.get() >= rhs.get()))
-> decltype(lhs.get() >= rhs.get());
```
Comparison of pointers that are convertible to each other.
##### Input/Output
```cpp
template <class T>
std::ostream& operator<<(std::ostream& os, const not_null<T>& val);
```
Performs stream output on a `not_null` pointer, invoking `os << val.get()`. This function is only available when `GSL_NO_IOSTREAMS` is not defined.
##### Modifiers
```cpp
template <class T, class U>
std::ptrdiff_t operator-(const not_null<T>&, const not_null<U>&) = delete;
template <class T>
not_null<T> operator-(const not_null<T>&, std::ptrdiff_t) = delete;
template <class T>
not_null<T> operator+(const not_null<T>&, std::ptrdiff_t) = delete;
template <class T>
not_null<T> operator+(std::ptrdiff_t, const not_null<T>&) = delete;
```
Addition and subtraction are explicitly deleted. Pointers point to single objects ([I.13: Do not pass an array as a single pointer](http://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Ri-array)), so don't allow these operators.
##### STL integration
```cpp
template <class T>
struct std::hash<gsl::not_null<T>> { ... };
```
Specialization of `std::hash` for `gsl::not_null`.
### <a name="H-pointers-strict_not_null" />`gsl::strict_not_null`
`strict_not_null` is the same as [`not_null`](#user-content-H-pointers-not_null) except that the constructors are `explicit`.
The free function that deduces the target type from the type of the argument and creates a `gsl::strict_not_null` object is `gsl::make_strict_not_null`.
## <a name="H-span" />`<span>`
This header file exports the class `gsl::span`, a bounds-checked implementation of `std::span`.
- [`gsl::span`](#user-content-H-span-span)
### <a name="H-span-span" />`gsl::span`
```cpp
template <class ElementType, std::size_t Extent>
class span;
```
`gsl::span` is a view over memory. It does not own the memory and is only a way to access contiguous sequences of objects.
The extent can be either a fixed size or [`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent).
The `gsl::span` is based on the standardized version of `std::span` which was added to C++20. Originally, the plan was to
deprecate `gsl::span` when `std::span` finished standardization, however that plan changed when the runtime bounds checking
was removed from `std::span`'s design.
The only difference between `gsl::span` and `std::span` is that `gsl::span` strictly enforces runtime bounds checking.
Any violations of the bounds check results in termination of the program.
Like `gsl::span`, `gsl::span`'s iterators also differ from `std::span`'s iterator in that all access operations are bounds checked.
#### Which version of span should I use?
##### Use `gsl::span` if
- you want to guarantee bounds safety in your project.
- All data accessing operations use bounds checking to ensure you are only accessing valid memory.
- your project uses C++14 or C++17.
- `std::span` is not available as it was not introduced into the STL until C++20.
##### Use `std::span` if
- your project is C++20 and you need the performance offered by `std::span`.
#### Types
```cpp
using element_type = ElementType;
using value_type = std::remove_cv_t<ElementType>;
using size_type = std::size_t;
using pointer = element_type*;
using const_pointer = const element_type*;
using reference = element_type&;
using const_reference = const element_type&;
using difference_type = std::ptrdiff_t;
using iterator = details::span_iterator<ElementType>;
using reverse_iterator = std::reverse_iterator<iterator>;
```
#### Member functions
```cpp
constexpr span() noexcept;
```
Constructs an empty `span`. This constructor is only available if `Extent` is 0 or [`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent).
`span::data()` will return `nullptr`.
```cpp
constexpr explicit(Extent != gsl::dynamic_extent) span(pointer ptr, size_type count) noexcept;
```
Constructs a `span` from a pointer and a size. If `Extent` is not [`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent),
then the constructor [`Expects`](#user-content-H-assert-expects) that `count == Extent`.
```cpp
constexpr explicit(Extent != gsl::dynamic_extent) span(pointer firstElem, pointer lastElem) noexcept;
```
Constructs a `span` from a pointer to the begin and the end of the data. If `Extent` is not [`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent),
then the constructor [`Expects`](#user-content-H-assert-expects) that `lastElem - firstElem == Extent`.
```cpp
template <std::size_t N>
constexpr span(element_type (&arr)[N]) noexcept;
```
Constructs a `span` from a C style array. This overload is available if `Extent ==`[`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent)
or `N == Extent`.
```cpp
template <class T, std::size_t N>
constexpr span(std::array<T, N>& arr) noexcept;
template <class T, std::size_t N>
constexpr span(const std::array<T, N>& arr) noexcept;
```
Constructs a `span` from a `std::array`. These overloads are available if `Extent ==`[`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent)
or `N == Extent`, and if the array can be interpreted as a `ElementType` array.
```cpp
template <class Container>
constexpr explicit(Extent != gsl::dynamic_extent) span(Container& cont) noexcept;
template <class Container>
constexpr explicit(Extent != gsl::dynamic_extent) span(const Container& cont) noexcept;
```
Constructs a `span` from a container. These overloads are available if `Extent ==`[`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent)
or `N == Extent`, and if the container can be interpreted as a contiguous `ElementType` array.
```cpp
constexpr span(const span& other) noexcept = default;
```
Copy constructor.
```cpp
template <class OtherElementType, std::size_t OtherExtent>
explicit(Extent != gsl::dynamic_extent && OtherExtent == dynamic_extent)
constexpr span(const span<OtherElementType, OtherExtent>& other) noexcept;
```
Constructs a `span` from another `span`. This constructor is available if `OtherExtent == Extent || Extent ==`[`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent)` || OtherExtent ==`[`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent)
and if `ElementType` and `OtherElementType` are compatible.
If `Extent !=`[`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent) and `OtherExtent ==`[`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent),
then the constructor [`Expects`](#user-content-H-assert-expects) that `other.size() == Extent`.
```cpp
constexpr span& operator=(const span& other) noexcept = default;
```
Copy assignment
```cpp
template <std::size_t Count>
constexpr span<element_type, Count> first() const noexcept;
constexpr span<element_type, dynamic_extent> first(size_type count) const noexcept;
template <std::size_t Count>
constexpr span<element_type, Count> last() const noexcept;
constexpr span<element_type, dynamic_extent> last(size_type count) const noexcept;
```
Return a subspan of the first/last `Count` elements. [`Expects`](#user-content-H-assert-expects) that `Count` does not exceed the `span`'s size.
```cpp
template <std::size_t offset, std::size_t count = dynamic_extent>
constexpr auto subspan() const noexcept;
constexpr span<element_type, dynamic_extent>
subspan(size_type offset, size_type count = dynamic_extent) const noexcept;
```
Return a subspan starting at `offset` and having size `count`. [`Expects`](#user-content-H-assert-expects) that `offset` does not exceed the `span`'s size,
and that `offset == `[`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent) or `offset + count` does not exceed the `span`'s size.
If `count` is `gsl::dynamic_extent`, the number of elements in the subspan is `size() - offset`.
```cpp
constexpr size_type size() const noexcept;
constexpr size_type size_bytes() const noexcept;
```
Returns the size respective the size in bytes of the `span`.
```cpp
constexpr bool empty() const noexcept;
```
Is the `span` empty?
```cpp
constexpr reference operator[](size_type idx) const noexcept;
```
Returns a reference to the element at the given index. [`Expects`](#user-content-H-assert-expects) that `idx` is less than the `span`'s size.
```cpp
constexpr reference front() const noexcept;
constexpr reference back() const noexcept;
```
Returns a reference to the first/last element in the `span`. [`Expects`](#user-content-H-assert-expects) that the `span` is not empty.
```cpp
constexpr pointer data() const noexcept;
```
Returns a pointer to the beginning of the contained data.
```cpp
constexpr iterator begin() const noexcept;
constexpr iterator end() const noexcept;
constexpr reverse_iterator rbegin() const noexcept;
constexpr reverse_iterator rend() const noexcept;
```
Returns an iterator to the first/last normal/reverse iterator.
```cpp
template <class Type, std::size_t Extent>
span(Type (&)[Extent]) -> span<Type, Extent>;
template <class Type, std::size_t Size>
span(std::array<Type, Size>&) -> span<Type, Size>;
template <class Type, std::size_t Size>
span(const std::array<Type, Size>&) -> span<const Type, Size>;
template <class Container,
class Element = std::remove_pointer_t<decltype(std::declval<Container&>().data())>>
span(Container&) -> span<Element>;
template <class Container,
class Element = std::remove_pointer_t<decltype(std::declval<const Container&>().data())>>
span(const Container&) -> span<Element>;
```
Deduction guides.
```cpp
template <class ElementType, std::size_t Extent>
span<const byte, details::calculate_byte_size<ElementType, Extent>::value>
as_bytes(span<ElementType, Extent> s) noexcept;
template <class ElementType, std::size_t Extent>
span<byte, details::calculate_byte_size<ElementType, Extent>::value>
as_writable_bytes(span<ElementType, Extent> s) noexcept;
```
Converts a `span` into a `span` of `byte`s.
`as_writable_bytes` will only be available for non-const `ElementType`s.
## <a name="H-span_ext" />`<span_ext>`
This file is a companion for and included by [`<gsl/span>`](#user-content-H-span), and should not be used on its own. It contains useful features that aren't part of the `std::span` API as found inside the STL `<span>` header (with the exception of [`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent), which is included here due to implementation constraints).
- [`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent)
- [`gsl::span`](#user-content-H-span_ext-span)
- [`gsl::span` comparison operators](#user-content-H-span_ext-span_comparison_operators)
- [`gsl::make_span`](#user-content-H-span_ext-make_span)
- [`gsl::at`](#user-content-H-span_ext-at)
- [`gsl::ssize`](#user-content-H-span_ext-ssize)
- [`gsl::span` iterator functions](#user-content-H-span_ext-span_iterator_functions)
### <a name="H-span_ext-dynamic_extent" />`gsl::dynamic_extent`
Defines the extent value to be used by all `gsl::span` with dynamic extent.
Note: `std::dynamic_extent` is exposed by the STL `<span>` header and so ideally `gsl::dynamic_extent` would be under [`<gsl/span>`](#user-content-H-span), but to avoid cyclic dependency issues it is under `<span_ext>` instead.
### <a name="H-span_ext-span" />`gsl::span`
```cpp
template <class ElementType, std::size_t Extent = dynamic_extent>
class span;
```
Forward declaration of `gsl::span`.
### <a name="H-span_ext-span_comparison_operators" />`gsl::span` comparison operators
```cpp
template <class ElementType, std::size_t FirstExtent, std::size_t SecondExtent>
constexpr bool operator==(span<ElementType, FirstExtent> l, span<ElementType, SecondExtent> r);
template <class ElementType, std::size_t FirstExtent, std::size_t SecondExtent>
constexpr bool operator!=(span<ElementType, FirstExtent> l, span<ElementType, SecondExtent> r);
template <class ElementType, std::size_t Extent>
constexpr bool operator<(span<ElementType, Extent> l, span<ElementType, Extent> r);
template <class ElementType, std::size_t Extent>
constexpr bool operator<=(span<ElementType, Extent> l, span<ElementType, Extent> r);
template <class ElementType, std::size_t Extent>
constexpr bool operator>(span<ElementType, Extent> l, span<ElementType, Extent> r);
template <class ElementType, std::size_t Extent>
constexpr bool operator>=(span<ElementType, Extent> l, span<ElementType, Extent> r);
```
The comparison operators for two `span`s lexicographically compare the elements in the `span`s.
### <a name="H-span_ext-make_span" />`gsl::make_span`
```cpp
template <class ElementType>
constexpr span<ElementType> make_span(ElementType* ptr, typename span<ElementType>::size_type count);
template <class ElementType>
constexpr span<ElementType> make_span(ElementType* firstElem, ElementType* lastElem);
template <class ElementType, std::size_t N>
constexpr span<ElementType, N> make_span(ElementType (&arr)[N]) noexcept;
template <class Container>
constexpr span<typename Container::value_type> make_span(Container& cont);
template <class Container>
constexpr span<const typename Container::value_type> make_span(const Container& cont);
template <class Ptr>
constexpr span<typename Ptr::element_type> make_span(Ptr& cont, std::size_t count);
template <class Ptr>
constexpr span<typename Ptr::element_type> make_span(Ptr& cont);
```
Utility function for creating a `span` with [`gsl::dynamic_extent`](#user-content-H-span_ext-dynamic_extent) from
- pointer and length,
- pointer to start and pointer to end,
- a C style array, or
- a container.
### <a name="H-span_ext-at" />`gsl::at`
```cpp
template <class ElementType, std::size_t Extent>
constexpr ElementType& at(span<ElementType, Extent> s, index i);
```
The function `gsl::at` offers a safe way to access data with index bounds checking.
This is the specialization of [`gsl::at`](#user-content-H-util-at) for [`span`](#user-content-H-span-span). It returns a reference to the `i`th element and
[`Expects`](#user-content-H-assert-expects) that the provided index is within the bounds of the `span`.
Note: `gsl::at` supports indexes up to `PTRDIFF_MAX`.
### <a name="H-span_ext-ssize" />`gsl::ssize`
```cpp
template <class ElementType, std::size_t Extent>
constexpr std::ptrdiff_t ssize(const span<ElementType, Extent>& s) noexcept;
```
Return the size of a [`span`](#user-content-H-span-span) as a `ptrdiff_t`.
### <a name="H-span_ext-span_iterator_functions" />`gsl::span` iterator functions
```cpp
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::iterator
begin(const span<ElementType, Extent>& s) noexcept;
template <class ElementType, std::size_t Extent = dynamic_extent>
constexpr typename span<ElementType, Extent>::iterator
end(const span<ElementType, Extent>& s) noexcept;
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::reverse_iterator
rbegin(const span<ElementType, Extent>& s) noexcept;
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::reverse_iterator
rend(const span<ElementType, Extent>& s) noexcept;
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::iterator
cbegin(const span<ElementType, Extent>& s) noexcept;
template <class ElementType, std::size_t Extent = dynamic_extent>
constexpr typename span<ElementType, Extent>::iterator
cend(const span<ElementType, Extent>& s) noexcept;
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::reverse_iterator
crbegin(const span<ElementType, Extent>& s) noexcept;
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::reverse_iterator
crend(const span<ElementType, Extent>& s) noexcept;
```
Free functions for getting a non-const/const begin/end normal/reverse iterator for a [`span`](#user-content-H-span-span).
## <a name="H-zstring" />`<zstring>`
This header exports a family of `*zstring` types.
A `gsl::XXzstring<T>` is a typedef to `T`. It adds no checks whatsoever, it is just for having a syntax to describe
that a pointer points to a zero terminated C style string. This helps static code analysis, and it helps human readers.
`basic_zstring` is a pointer to a C-string (zero-terminated array) with a templated char type. Used to implement the rest of the `*zstring` family.
`zstring` is a zero terminated `char` string.
`czstring` is a const zero terminated `char` string.
`wzstring` is a zero terminated `wchar_t` string.
`cwzstring` is a const zero terminated `wchar_t` string.
`u16zstring` is a zero terminated `char16_t` string.
`cu16zstring` is a const zero terminated `char16_t` string.
`u32zstring` is a zero terminated `char32_t` string.
`cu32zstring` is a const zero terminated `char32_t` string.
See [GSL.view](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#SS-views) and [SL.str.3: Use zstring or czstring to refer to a C-style, zero-terminated, sequence of characters](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rstr-zstring).
## <a name="H-util" />`<util>`
This header contains utility functions and classes. This header works without exceptions being available. The parts that require
exceptions being available are in their own header file [narrow](#user-content-H-narrow).
See [GSL.util: Utilities](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#SS-utilities)
- [`gsl::narrow_cast`](#user-content-H-util-narrow_cast)
- [`gsl::final_action`](#user-content-H-util-final_action)
- [`gsl::at`](#user-content-H-util-at)
### <a name="H-util-index" />`gsl::index`
An alias to `std::ptrdiff_t`. It serves as the index type for all container indexes/subscripts/sizes.
### <a name="H-util-narrow_cast" />`gsl::narrow_cast`
`gsl::narrow_cast<T>(x)` is a named cast that is identical to a `static_cast<T>(x)`. It exists to make clear to static code analysis tools and to human readers that a lossy conversion is acceptable.
Note: compare the throwing version [`gsl::narrow`](#user-content-H-narrow-narrow) in header [narrow](#user-content-H-narrow).
See [ES.46: Avoid lossy (narrowing, truncating) arithmetic conversions](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Res-narrowing) and [ES.49: If you must use a cast, use a named cast](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Res-casts-named)
### <a name="H-util-final_action" />`gsl::final_action`
```cpp
template <class F>
class final_action { ... };
```
`final_action` allows you to ensure something gets run at the end of a scope.
See [E.19: Use a final_action object to express cleanup if no suitable resource handle is available](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Re-finally)
#### Member functions
```cpp
explicit final_action(const F& ff) noexcept;
explicit final_action(F&& ff) noexcept;
```
Construct an object with the action to invoke in the destructor.
```cpp
~final_action() noexcept;
```
The destructor will call the action that was passed in the constructor.
```cpp
final_action(final_action&& other) noexcept;
final_action(const final_action&) = delete;
void operator=(const final_action&) = delete;
void operator=(final_action&&) = delete;
```
Move construction is allowed. Copy construction is deleted. Copy and move assignment are also explicitely deleted.
#### <a name="H-util-finally" />Non-member functions
```cpp
template <class F>
auto finally(F&& f) noexcept;
```
Creates a `gsl::final_action` object, deducing the template argument type from the type of the argument.
### <a name="H-util-at" />`gsl::at`
The function `gsl::at` offers a safe way to access data with index bounds checking.
Note: `gsl::at` supports indexes up to `PTRDIFF_MAX`.
See [ES.42: Keep use of pointers simple and straightforward](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Res-ptr)
```cpp
template <class T, std::size_t N>
constexpr T& at(T (&arr)[N], const index i);
```
This overload returns a reference to the `i`s element of a C style array `arr`. It [`Expects`](#user-content-H-assert-expects) that the provided index is within the bounds of the array.
```cpp
template <class Cont>
constexpr auto at(Cont& cont, const index i) -> decltype(cont[cont.size()]);
```
This overload returns a reference to the `i`s element of the container `cont`. It [`Expects`](#user-content-H-assert-expects) that the provided index is within the bounds of the array.
```cpp
template <class T>
constexpr T at(const std::initializer_list<T> cont, const index i);
```
This overload returns a reference to the `i`s element of the initializer list `cont`. It [`Expects`](#user-content-H-assert-expects) that the provided index is within the bounds of the array.
```cpp
template <class T, std::size_t extent = std::dynamic_extent>
constexpr auto at(std::span<T, extent> sp, const index i) -> decltype(sp[sp.size()]);
```
This overload returns a reference to the `i`s element of the `std::span` `sp`. It [`Expects`](#user-content-H-assert-expects) that the provided index is within the bounds of the array.
For [`gsl::at`](#user-content-H-span_ext-at) for [`gsl::span`](#user-content-H-span-span) see header [`span_ext`](#user-content-H-span_ext).

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# Add include folders to the library and targets that consume it
# the SYSTEM keyword suppresses warnings for users of the library
#
# By adding this directory as an include directory the user gets a
# namespace effect.
#
# IE:
# #include <gsl/gsl>
if(PROJECT_IS_TOP_LEVEL)
target_include_directories(GSL INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
else()
target_include_directories(GSL SYSTEM INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
endif()

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_ALGORITHM_H
#define GSL_ALGORITHM_H
#include "assert" // for Expects
#include "span" // for dynamic_extent, span
#include <algorithm> // for copy_n
#include <cstddef> // for ptrdiff_t
#include <type_traits> // for is_assignable
#ifdef _MSC_VER
#pragma warning(push)
// turn off some warnings that are noisy about our Expects statements
#pragma warning(disable : 4127) // conditional expression is constant
#pragma warning(disable : 4996) // unsafe use of std::copy_n
#endif // _MSC_VER
namespace gsl
{
// Note: this will generate faster code than std::copy using span iterator in older msvc+stl
// not necessary for msvc since VS2017 15.8 (_MSC_VER >= 1915)
template <class SrcElementType, std::size_t SrcExtent, class DestElementType,
std::size_t DestExtent>
void copy(span<SrcElementType, SrcExtent> src, span<DestElementType, DestExtent> dest)
{
static_assert(std::is_assignable<decltype(*dest.data()), decltype(*src.data())>::value,
"Elements of source span can not be assigned to elements of destination span");
static_assert(SrcExtent == dynamic_extent || DestExtent == dynamic_extent ||
(SrcExtent <= DestExtent),
"Source range is longer than target range");
Expects(dest.size() >= src.size());
// clang-format off
GSL_SUPPRESS(stl.1) // NO-FORMAT: attribute
// clang-format on
std::copy_n(src.data(), src.size(), dest.data());
}
} // namespace gsl
#ifdef _MSC_VER
#pragma warning(pop)
#endif // _MSC_VER
#endif // GSL_ALGORITHM_H

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_ASSERT_H
#define GSL_ASSERT_H
//
// Temporary until MSVC STL supports no-exceptions mode.
// Currently terminate is a no-op in this mode, so we add termination behavior back
//
#if defined(_MSC_VER) && (defined(_KERNEL_MODE) || (defined(_HAS_EXCEPTIONS) && !_HAS_EXCEPTIONS))
#define GSL_KERNEL_MODE
#define GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND
#include <intrin.h>
#define RANGE_CHECKS_FAILURE 0
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Winvalid-noreturn"
#endif // defined(__clang__)
#else // defined(_MSC_VER) && (defined(_KERNEL_MODE) || (defined(_HAS_EXCEPTIONS) &&
// !_HAS_EXCEPTIONS))
#include <exception>
#endif // defined(_MSC_VER) && (defined(_KERNEL_MODE) || (defined(_HAS_EXCEPTIONS) &&
// !_HAS_EXCEPTIONS))
//
// make suppress attributes parse for some compilers
// Hopefully temporary until suppression standardization occurs
//
#if defined(__clang__)
#define GSL_SUPPRESS(x) [[gsl::suppress(#x)]]
#else
#if defined(_MSC_VER) && !defined(__INTEL_COMPILER) && !defined(__NVCC__)
#define GSL_SUPPRESS(x) [[gsl::suppress(x)]]
#else
#define GSL_SUPPRESS(x)
#endif // _MSC_VER
#endif // __clang__
#if defined(__clang__) || defined(__GNUC__)
#define GSL_LIKELY(x) __builtin_expect(!!(x), 1)
#define GSL_UNLIKELY(x) __builtin_expect(!!(x), 0)
#else
#define GSL_LIKELY(x) (!!(x))
#define GSL_UNLIKELY(x) (!!(x))
#endif // defined(__clang__) || defined(__GNUC__)
//
// GSL_ASSUME(cond)
//
// Tell the optimizer that the predicate cond must hold. It is unspecified
// whether or not cond is actually evaluated.
//
#ifdef _MSC_VER
#define GSL_ASSUME(cond) __assume(cond)
#elif defined(__GNUC__)
#define GSL_ASSUME(cond) ((cond) ? static_cast<void>(0) : __builtin_unreachable())
#else
#define GSL_ASSUME(cond) static_cast<void>((cond) ? 0 : 0)
#endif
//
// GSL.assert: assertions
//
namespace gsl
{
namespace details
{
#if defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND)
typedef void(__cdecl* terminate_handler)();
// clang-format off
GSL_SUPPRESS(f.6) // NO-FORMAT: attribute
// clang-format on
[[noreturn]] inline void __cdecl default_terminate_handler()
{
__fastfail(RANGE_CHECKS_FAILURE);
}
inline gsl::details::terminate_handler& get_terminate_handler() noexcept
{
static terminate_handler handler = &default_terminate_handler;
return handler;
}
#endif // defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND)
[[noreturn]] inline void terminate() noexcept
{
#if defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND)
(*gsl::details::get_terminate_handler())();
#else
std::terminate();
#endif // defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND)
}
} // namespace details
} // namespace gsl
#define GSL_CONTRACT_CHECK(type, cond) \
(GSL_LIKELY(cond) ? static_cast<void>(0) : gsl::details::terminate())
#define Expects(cond) GSL_CONTRACT_CHECK("Precondition", cond)
#define Ensures(cond) GSL_CONTRACT_CHECK("Postcondition", cond)
#if defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND) && defined(__clang__)
#pragma clang diagnostic pop
#endif
#endif // GSL_ASSERT_H

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_BYTE_H
#define GSL_BYTE_H
#include <type_traits>
// VS2017 15.8 added support for the __cpp_lib_byte definition
// To do: drop _HAS_STD_BYTE when support for pre 15.8 expires
#ifdef _MSC_VER
#pragma warning(push)
// Turn MSVC /analyze rules that generate too much noise. TODO: fix in the tool.
#pragma warning(disable : 26493) // don't use c-style casts // TODO: MSVC suppression in templates
// does not always work
#ifndef GSL_USE_STD_BYTE
// this tests if we are under MSVC and the standard lib has std::byte and it is enabled
#if (defined(_HAS_STD_BYTE) && _HAS_STD_BYTE) || \
(defined(__cpp_lib_byte) && __cpp_lib_byte >= 201603)
#define GSL_USE_STD_BYTE 1
#else // (defined(_HAS_STD_BYTE) && _HAS_STD_BYTE) || (defined(__cpp_lib_byte) && __cpp_lib_byte >=
// 201603)
#define GSL_USE_STD_BYTE 0
#endif // (defined(_HAS_STD_BYTE) && _HAS_STD_BYTE) || (defined(__cpp_lib_byte) && __cpp_lib_byte >=
// 201603)
#endif // GSL_USE_STD_BYTE
#else // _MSC_VER
#ifndef GSL_USE_STD_BYTE
#include <cstddef> /* __cpp_lib_byte */
// this tests if we are under GCC or Clang with enough -std=c++1z power to get us std::byte
// also check if libc++ version is sufficient (> 5.0) or libstdc++ actually contains std::byte
#if defined(__cplusplus) && (__cplusplus >= 201703L) && \
(defined(__cpp_lib_byte) && (__cpp_lib_byte >= 201603) || \
defined(_LIBCPP_VERSION) && (_LIBCPP_VERSION >= 5000))
#define GSL_USE_STD_BYTE 1
#else // defined(__cplusplus) && (__cplusplus >= 201703L) &&
// (defined(__cpp_lib_byte) && (__cpp_lib_byte >= 201603) ||
// defined(_LIBCPP_VERSION) && (_LIBCPP_VERSION >= 5000))
#define GSL_USE_STD_BYTE 0
#endif // defined(__cplusplus) && (__cplusplus >= 201703L) &&
// (defined(__cpp_lib_byte) && (__cpp_lib_byte >= 201603) ||
// defined(_LIBCPP_VERSION) && (_LIBCPP_VERSION >= 5000))
#endif // GSL_USE_STD_BYTE
#endif // _MSC_VER
// Use __may_alias__ attribute on gcc and clang
#if defined __clang__ || (defined(__GNUC__) && __GNUC__ > 5)
#define byte_may_alias __attribute__((__may_alias__))
#else // defined __clang__ || defined __GNUC__
#define byte_may_alias
#endif // defined __clang__ || defined __GNUC__
#if GSL_USE_STD_BYTE
#include <cstddef>
#endif
namespace gsl
{
#if GSL_USE_STD_BYTE
using std::byte;
using std::to_integer;
#else // GSL_USE_STD_BYTE
// This is a simple definition for now that allows
// use of byte within span<> to be standards-compliant
enum class byte_may_alias byte : unsigned char
{
};
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr byte& operator<<=(byte& b, IntegerType shift) noexcept
{
return b = byte(static_cast<unsigned char>(b) << shift);
}
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr byte operator<<(byte b, IntegerType shift) noexcept
{
return byte(static_cast<unsigned char>(b) << shift);
}
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr byte& operator>>=(byte& b, IntegerType shift) noexcept
{
return b = byte(static_cast<unsigned char>(b) >> shift);
}
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr byte operator>>(byte b, IntegerType shift) noexcept
{
return byte(static_cast<unsigned char>(b) >> shift);
}
constexpr byte& operator|=(byte& l, byte r) noexcept
{
return l = byte(static_cast<unsigned char>(l) | static_cast<unsigned char>(r));
}
constexpr byte operator|(byte l, byte r) noexcept
{
return byte(static_cast<unsigned char>(l) | static_cast<unsigned char>(r));
}
constexpr byte& operator&=(byte& l, byte r) noexcept
{
return l = byte(static_cast<unsigned char>(l) & static_cast<unsigned char>(r));
}
constexpr byte operator&(byte l, byte r) noexcept
{
return byte(static_cast<unsigned char>(l) & static_cast<unsigned char>(r));
}
constexpr byte& operator^=(byte& l, byte r) noexcept
{
return l = byte(static_cast<unsigned char>(l) ^ static_cast<unsigned char>(r));
}
constexpr byte operator^(byte l, byte r) noexcept
{
return byte(static_cast<unsigned char>(l) ^ static_cast<unsigned char>(r));
}
constexpr byte operator~(byte b) noexcept { return byte(~static_cast<unsigned char>(b)); }
template <class IntegerType, class = std::enable_if_t<std::is_integral<IntegerType>::value>>
constexpr IntegerType to_integer(byte b) noexcept
{
return static_cast<IntegerType>(b);
}
#endif // GSL_USE_STD_BYTE
template <typename T>
// NOTE: need suppression since c++14 does not allow "return {t}"
// GSL_SUPPRESS(type.4) // NO-FORMAT: attribute // TODO: suppression does not work
constexpr byte to_byte(T t) noexcept
{
static_assert(std::is_same<T, unsigned char>::value,
"gsl::to_byte(t) must be provided an unsigned char, otherwise data loss may occur. "
"If you are calling to_byte with an integer contant use: gsl::to_byte<t>() version.");
return byte(t);
}
template <int I>
constexpr byte to_byte() noexcept
{
static_assert(I >= 0 && I <= 255,
"gsl::byte only has 8 bits of storage, values must be in range 0-255");
return static_cast<byte>(I);
}
} // namespace gsl
#ifdef _MSC_VER
#pragma warning(pop)
#endif // _MSC_VER
#endif // GSL_BYTE_H

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_GSL_H
#define GSL_GSL_H
#include "algorithm" // copy
#include "assert" // Ensures/Expects
#include "byte" // byte
#include "pointers" // owner, not_null
#include "span" // span
#include "zstring" // zstring
#include "util" // finally()/narrow_cast()...
#ifdef __cpp_exceptions
#include "narrow" // narrow()
#endif
#endif // GSL_GSL_H

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_NARROW_H
#define GSL_NARROW_H
#include "assert" // for GSL_SUPPRESS
#include "util" // for narrow_cast
#include <exception> // for std::exception
namespace gsl
{
struct narrowing_error : public std::exception
{
const char* what() const noexcept override { return "narrowing_error"; }
};
// narrow() : a checked version of narrow_cast() that throws if the cast changed the value
template <class T, class U, typename std::enable_if<std::is_arithmetic<T>::value>::type* = nullptr>
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
GSL_SUPPRESS(f.6) // NO-FORMAT: attribute // TODO: MSVC /analyze does not recognise noexcept(false)
GSL_SUPPRESS(es.46) // NO-FORMAT: attribute // The warning suggests that a floating->unsigned conversion can occur
// in the static_cast below, and that gsl::narrow should be used instead.
// Suppress this warning, since gsl::narrow is defined in terms of
// static_cast
// clang-format on
constexpr T narrow(U u) noexcept(false)
{
constexpr const bool is_different_signedness =
(std::is_signed<T>::value != std::is_signed<U>::value);
GSL_SUPPRESS(es.103) // NO-FORMAT: attribute // don't overflow
GSL_SUPPRESS(es.104) // NO-FORMAT: attribute // don't underflow
GSL_SUPPRESS(p.2) // NO-FORMAT: attribute // don't rely on undefined behavior
const T t = narrow_cast<T>(u); // While this is technically undefined behavior in some cases (i.e., if the source value is of floating-point type
// and cannot fit into the destination integral type), the resultant behavior is benign on the platforms
// that we target (i.e., no hardware trap representations are hit).
#if defined(__clang__) || defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wfloat-equal"
#endif
// Note: NaN will always throw, since NaN != NaN
if (static_cast<U>(t) != u || (is_different_signedness && ((t < T{}) != (u < U{}))))
{
throw narrowing_error{};
}
#if defined(__clang__) || defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
return t;
}
template <class T, class U, typename std::enable_if<!std::is_arithmetic<T>::value>::type* = nullptr>
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
GSL_SUPPRESS(f.6) // NO-FORMAT: attribute // TODO: MSVC /analyze does not recognise noexcept(false)
// clang-format on
constexpr T narrow(U u) noexcept(false)
{
const T t = narrow_cast<T>(u);
if (static_cast<U>(t) != u)
{
throw narrowing_error{};
}
return t;
}
} // namespace gsl
#endif // GSL_NARROW_H

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_POINTERS_H
#define GSL_POINTERS_H
#include "assert" // for Ensures, Expects
#include <algorithm> // for forward
#include <cstddef> // for ptrdiff_t, nullptr_t, size_t
#include <memory> // for shared_ptr, unique_ptr
#include <system_error> // for hash
#include <type_traits> // for enable_if_t, is_convertible, is_assignable
#include <utility> // for declval
#if !defined(GSL_NO_IOSTREAMS)
#include <iosfwd> // for ostream
#endif // !defined(GSL_NO_IOSTREAMS)
namespace gsl
{
namespace details
{
template <typename T, typename = void>
struct is_comparable_to_nullptr : std::false_type
{
};
template <typename T>
struct is_comparable_to_nullptr<
T,
std::enable_if_t<std::is_convertible<decltype(std::declval<T>() != nullptr), bool>::value>>
: std::true_type
{
};
// Resolves to the more efficient of `const T` or `const T&`, in the context of returning a const-qualified value
// of type T.
//
// Copied from cppfront's implementation of the CppCoreGuidelines F.16 (https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#Rf-in)
template<typename T>
using value_or_reference_return_t = std::conditional_t<
sizeof(T) < 2*sizeof(void*) && std::is_trivially_copy_constructible<T>::value,
const T,
const T&>;
} // namespace details
//
// GSL.owner: ownership pointers
//
using std::shared_ptr;
using std::unique_ptr;
//
// owner
//
// `gsl::owner<T>` is designed as a safety mechanism for code that must deal directly with raw pointers that own memory.
// Ideally such code should be restricted to the implementation of low-level abstractions. `gsl::owner` can also be used
// as a stepping point in converting legacy code to use more modern RAII constructs, such as smart pointers.
//
// T must be a pointer type
// - disallow construction from any type other than pointer type
//
template <class T, class = std::enable_if_t<std::is_pointer<T>::value>>
using owner = T;
//
// not_null
//
// Restricts a pointer or smart pointer to only hold non-null values.
//
// Has zero size overhead over T.
//
// If T is a pointer (i.e. T == U*) then
// - allow construction from U*
// - disallow construction from nullptr_t
// - disallow default construction
// - ensure construction from null U* fails
// - allow implicit conversion to U*
//
template <class T>
class not_null
{
public:
static_assert(details::is_comparable_to_nullptr<T>::value, "T cannot be compared to nullptr.");
template <typename U, typename = std::enable_if_t<std::is_convertible<U, T>::value>>
constexpr not_null(U&& u) noexcept(std::is_nothrow_move_constructible<T>::value) : ptr_(std::forward<U>(u))
{
Expects(ptr_ != nullptr);
}
template <typename = std::enable_if_t<!std::is_same<std::nullptr_t, T>::value>>
constexpr not_null(T u) noexcept(std::is_nothrow_move_constructible<T>::value) : ptr_(std::move(u))
{
Expects(ptr_ != nullptr);
}
template <typename U, typename = std::enable_if_t<std::is_convertible<U, T>::value>>
constexpr not_null(const not_null<U>& other) noexcept(std::is_nothrow_move_constructible<T>::value) : not_null(other.get())
{}
not_null(const not_null& other) = default;
not_null& operator=(const not_null& other) = default;
constexpr details::value_or_reference_return_t<T> get() const
noexcept(noexcept(details::value_or_reference_return_t<T>{std::declval<T&>()}))
{
return ptr_;
}
constexpr operator T() const { return get(); }
constexpr decltype(auto) operator->() const { return get(); }
constexpr decltype(auto) operator*() const { return *get(); }
// prevents compilation when someone attempts to assign a null pointer constant
not_null(std::nullptr_t) = delete;
not_null& operator=(std::nullptr_t) = delete;
// unwanted operators...pointers only point to single objects!
not_null& operator++() = delete;
not_null& operator--() = delete;
not_null operator++(int) = delete;
not_null operator--(int) = delete;
not_null& operator+=(std::ptrdiff_t) = delete;
not_null& operator-=(std::ptrdiff_t) = delete;
void operator[](std::ptrdiff_t) const = delete;
private:
T ptr_;
};
template <class T>
auto make_not_null(T&& t) noexcept
{
return not_null<std::remove_cv_t<std::remove_reference_t<T>>>{std::forward<T>(t)};
}
#if !defined(GSL_NO_IOSTREAMS)
template <class T>
std::ostream& operator<<(std::ostream& os, const not_null<T>& val)
{
os << val.get();
return os;
}
#endif // !defined(GSL_NO_IOSTREAMS)
template <class T, class U>
auto operator==(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(lhs.get() == rhs.get()))
-> decltype(lhs.get() == rhs.get())
{
return lhs.get() == rhs.get();
}
template <class T, class U>
auto operator!=(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(lhs.get() != rhs.get()))
-> decltype(lhs.get() != rhs.get())
{
return lhs.get() != rhs.get();
}
template <class T, class U>
auto operator<(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(std::less<>{}(lhs.get(), rhs.get())))
-> decltype(std::less<>{}(lhs.get(), rhs.get()))
{
return std::less<>{}(lhs.get(), rhs.get());
}
template <class T, class U>
auto operator<=(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(std::less_equal<>{}(lhs.get(), rhs.get())))
-> decltype(std::less_equal<>{}(lhs.get(), rhs.get()))
{
return std::less_equal<>{}(lhs.get(), rhs.get());
}
template <class T, class U>
auto operator>(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(std::greater<>{}(lhs.get(), rhs.get())))
-> decltype(std::greater<>{}(lhs.get(), rhs.get()))
{
return std::greater<>{}(lhs.get(), rhs.get());
}
template <class T, class U>
auto operator>=(const not_null<T>& lhs,
const not_null<U>& rhs) noexcept(noexcept(std::greater_equal<>{}(lhs.get(), rhs.get())))
-> decltype(std::greater_equal<>{}(lhs.get(), rhs.get()))
{
return std::greater_equal<>{}(lhs.get(), rhs.get());
}
// more unwanted operators
template <class T, class U>
std::ptrdiff_t operator-(const not_null<T>&, const not_null<U>&) = delete;
template <class T>
not_null<T> operator-(const not_null<T>&, std::ptrdiff_t) = delete;
template <class T>
not_null<T> operator+(const not_null<T>&, std::ptrdiff_t) = delete;
template <class T>
not_null<T> operator+(std::ptrdiff_t, const not_null<T>&) = delete;
template <class T, class U = decltype(std::declval<const T&>().get()), bool = std::is_default_constructible<std::hash<U>>::value>
struct not_null_hash
{
std::size_t operator()(const T& value) const { return std::hash<U>{}(value.get()); }
};
template <class T, class U>
struct not_null_hash<T, U, false>
{
not_null_hash() = delete;
not_null_hash(const not_null_hash&) = delete;
not_null_hash& operator=(const not_null_hash&) = delete;
};
} // namespace gsl
namespace std
{
template <class T>
struct hash<gsl::not_null<T>> : gsl::not_null_hash<gsl::not_null<T>>
{
};
} // namespace std
namespace gsl
{
//
// strict_not_null
//
// Restricts a pointer or smart pointer to only hold non-null values,
//
// - provides a strict (i.e. explicit constructor from T) wrapper of not_null
// - to be used for new code that wishes the design to be cleaner and make not_null
// checks intentional, or in old code that would like to make the transition.
//
// To make the transition from not_null, incrementally replace not_null
// by strict_not_null and fix compilation errors
//
// Expect to
// - remove all unneeded conversions from raw pointer to not_null and back
// - make API clear by specifying not_null in parameters where needed
// - remove unnecessary asserts
//
template <class T>
class strict_not_null : public not_null<T>
{
public:
template <typename U, typename = std::enable_if_t<std::is_convertible<U, T>::value>>
constexpr explicit strict_not_null(U&& u) : not_null<T>(std::forward<U>(u))
{}
template <typename = std::enable_if_t<!std::is_same<std::nullptr_t, T>::value>>
constexpr explicit strict_not_null(T u) : not_null<T>(u)
{}
template <typename U, typename = std::enable_if_t<std::is_convertible<U, T>::value>>
constexpr strict_not_null(const not_null<U>& other) : not_null<T>(other)
{}
template <typename U, typename = std::enable_if_t<std::is_convertible<U, T>::value>>
constexpr strict_not_null(const strict_not_null<U>& other) : not_null<T>(other)
{}
// To avoid invalidating the "not null" invariant, the contained pointer is actually copied
// instead of moved. If it is a custom pointer, its constructor could in theory throw exceptions.
strict_not_null(strict_not_null&& other) noexcept(std::is_nothrow_copy_constructible<T>::value) = default;
strict_not_null(const strict_not_null& other) = default;
strict_not_null& operator=(const strict_not_null& other) = default;
strict_not_null& operator=(const not_null<T>& other)
{
not_null<T>::operator=(other);
return *this;
}
// prevents compilation when someone attempts to assign a null pointer constant
strict_not_null(std::nullptr_t) = delete;
strict_not_null& operator=(std::nullptr_t) = delete;
// unwanted operators...pointers only point to single objects!
strict_not_null& operator++() = delete;
strict_not_null& operator--() = delete;
strict_not_null operator++(int) = delete;
strict_not_null operator--(int) = delete;
strict_not_null& operator+=(std::ptrdiff_t) = delete;
strict_not_null& operator-=(std::ptrdiff_t) = delete;
void operator[](std::ptrdiff_t) const = delete;
};
// more unwanted operators
template <class T, class U>
std::ptrdiff_t operator-(const strict_not_null<T>&, const strict_not_null<U>&) = delete;
template <class T>
strict_not_null<T> operator-(const strict_not_null<T>&, std::ptrdiff_t) = delete;
template <class T>
strict_not_null<T> operator+(const strict_not_null<T>&, std::ptrdiff_t) = delete;
template <class T>
strict_not_null<T> operator+(std::ptrdiff_t, const strict_not_null<T>&) = delete;
template <class T>
auto make_strict_not_null(T&& t) noexcept
{
return strict_not_null<std::remove_cv_t<std::remove_reference_t<T>>>{std::forward<T>(t)};
}
#if (defined(__cpp_deduction_guides) && (__cpp_deduction_guides >= 201611L))
// deduction guides to prevent the ctad-maybe-unsupported warning
template <class T>
not_null(T) -> not_null<T>;
template <class T>
strict_not_null(T) -> strict_not_null<T>;
#endif // ( defined(__cpp_deduction_guides) && (__cpp_deduction_guides >= 201611L) )
} // namespace gsl
namespace std
{
template <class T>
struct hash<gsl::strict_not_null<T>> : gsl::not_null_hash<gsl::strict_not_null<T>>
{
};
} // namespace std
#endif // GSL_POINTERS_H

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_SPAN_H
#define GSL_SPAN_H
#include "assert" // for Expects
#include "byte" // for byte
#include "span_ext" // for span specialization of gsl::at and other span-related extensions
#include "util" // for narrow_cast
#include <array> // for array
#include <cstddef> // for ptrdiff_t, size_t, nullptr_t
#include <iterator> // for reverse_iterator, distance, random_access_...
#include <memory> // for pointer_traits
#include <type_traits> // for enable_if_t, declval, is_convertible, inte...
#if defined(__has_include) && __has_include(<version>)
#include <version>
#endif
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(push)
// turn off some warnings that are noisy about our Expects statements
#pragma warning(disable : 4127) // conditional expression is constant
#pragma warning( \
disable : 4146) // unary minus operator applied to unsigned type, result still unsigned
#pragma warning(disable : 4702) // unreachable code
// Turn MSVC /analyze rules that generate too much noise. TODO: fix in the tool.
#pragma warning(disable : 26495) // uninitalized member when constructor calls constructor
#pragma warning(disable : 26446) // parser bug does not allow attributes on some templates
#endif // _MSC_VER
// See if we have enough C++17 power to use a static constexpr data member
// without needing an out-of-line definition
#if !(defined(__cplusplus) && (__cplusplus >= 201703L))
#define GSL_USE_STATIC_CONSTEXPR_WORKAROUND
#endif // !(defined(__cplusplus) && (__cplusplus >= 201703L))
// GCC 7 does not like the signed unsigned missmatch (size_t ptrdiff_t)
// While there is a conversion from signed to unsigned, it happens at
// compiletime, so the compiler wouldn't have to warn indiscriminately, but
// could check if the source value actually doesn't fit into the target type
// and only warn in those cases.
#if defined(__GNUC__) && __GNUC__ > 6
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wsign-conversion"
#endif
namespace gsl
{
// implementation details
namespace details
{
template <class T>
struct is_span_oracle : std::false_type
{
};
template <class ElementType, std::size_t Extent>
struct is_span_oracle<gsl::span<ElementType, Extent>> : std::true_type
{
};
template <class T>
struct is_span : public is_span_oracle<std::remove_cv_t<T>>
{
};
template <class T>
struct is_std_array_oracle : std::false_type
{
};
template <class ElementType, std::size_t Extent>
struct is_std_array_oracle<std::array<ElementType, Extent>> : std::true_type
{
};
template <class T>
struct is_std_array : is_std_array_oracle<std::remove_cv_t<T>>
{
};
template <std::size_t From, std::size_t To>
struct is_allowed_extent_conversion
: std::integral_constant<bool, From == To || To == dynamic_extent>
{
};
template <class From, class To>
struct is_allowed_element_type_conversion
: std::integral_constant<bool, std::is_convertible<From (*)[], To (*)[]>::value>
{
};
template <class Type>
class span_iterator
{
public:
#if defined(__cpp_lib_ranges) || (defined(_MSVC_STL_VERSION) && defined(__cpp_lib_concepts))
using iterator_concept = std::contiguous_iterator_tag;
#endif // __cpp_lib_ranges
using iterator_category = std::random_access_iterator_tag;
using value_type = std::remove_cv_t<Type>;
using difference_type = std::ptrdiff_t;
using pointer = Type*;
using reference = Type&;
#ifdef _MSC_VER
using _Unchecked_type = pointer;
using _Prevent_inheriting_unwrap = span_iterator;
#endif // _MSC_VER
constexpr span_iterator() = default;
constexpr span_iterator(pointer begin, pointer end, pointer current)
: begin_(begin), end_(end), current_(current)
{}
constexpr operator span_iterator<const Type>() const noexcept
{
return {begin_, end_, current_};
}
constexpr reference operator*() const noexcept
{
Expects(begin_ && end_);
Expects(begin_ <= current_ && current_ < end_);
return *current_;
}
constexpr pointer operator->() const noexcept
{
Expects(begin_ && end_);
Expects(begin_ <= current_ && current_ < end_);
return current_;
}
constexpr span_iterator& operator++() noexcept
{
Expects(begin_ && current_ && end_);
Expects(current_ < end_);
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
++current_;
return *this;
}
constexpr span_iterator operator++(int) noexcept
{
span_iterator ret = *this;
++*this;
return ret;
}
constexpr span_iterator& operator--() noexcept
{
Expects(begin_ && end_);
Expects(begin_ < current_);
--current_;
return *this;
}
constexpr span_iterator operator--(int) noexcept
{
span_iterator ret = *this;
--*this;
return ret;
}
constexpr span_iterator& operator+=(const difference_type n) noexcept
{
if (n != 0) Expects(begin_ && current_ && end_);
if (n > 0) Expects(end_ - current_ >= n);
if (n < 0) Expects(current_ - begin_ >= -n);
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
current_ += n;
return *this;
}
constexpr span_iterator operator+(const difference_type n) const noexcept
{
span_iterator ret = *this;
ret += n;
return ret;
}
friend constexpr span_iterator operator+(const difference_type n,
const span_iterator& rhs) noexcept
{
return rhs + n;
}
constexpr span_iterator& operator-=(const difference_type n) noexcept
{
if (n != 0) Expects(begin_ && current_ && end_);
if (n > 0) Expects(current_ - begin_ >= n);
if (n < 0) Expects(end_ - current_ >= -n);
GSL_SUPPRESS(bounds .1)
current_ -= n;
return *this;
}
constexpr span_iterator operator-(const difference_type n) const noexcept
{
span_iterator ret = *this;
ret -= n;
return ret;
}
template <
class Type2,
std::enable_if_t<std::is_same<std::remove_cv_t<Type2>, value_type>::value, int> = 0>
constexpr difference_type operator-(const span_iterator<Type2>& rhs) const noexcept
{
Expects(begin_ == rhs.begin_ && end_ == rhs.end_);
return current_ - rhs.current_;
}
constexpr reference operator[](const difference_type n) const noexcept
{
return *(*this + n);
}
template <
class Type2,
std::enable_if_t<std::is_same<std::remove_cv_t<Type2>, value_type>::value, int> = 0>
constexpr bool operator==(const span_iterator<Type2>& rhs) const noexcept
{
Expects(begin_ == rhs.begin_ && end_ == rhs.end_);
return current_ == rhs.current_;
}
template <
class Type2,
std::enable_if_t<std::is_same<std::remove_cv_t<Type2>, value_type>::value, int> = 0>
constexpr bool operator!=(const span_iterator<Type2>& rhs) const noexcept
{
return !(*this == rhs);
}
template <
class Type2,
std::enable_if_t<std::is_same<std::remove_cv_t<Type2>, value_type>::value, int> = 0>
constexpr bool operator<(const span_iterator<Type2>& rhs) const noexcept
{
Expects(begin_ == rhs.begin_ && end_ == rhs.end_);
return current_ < rhs.current_;
}
template <
class Type2,
std::enable_if_t<std::is_same<std::remove_cv_t<Type2>, value_type>::value, int> = 0>
constexpr bool operator>(const span_iterator<Type2>& rhs) const noexcept
{
return rhs < *this;
}
template <
class Type2,
std::enable_if_t<std::is_same<std::remove_cv_t<Type2>, value_type>::value, int> = 0>
constexpr bool operator<=(const span_iterator<Type2>& rhs) const noexcept
{
return !(rhs < *this);
}
template <
class Type2,
std::enable_if_t<std::is_same<std::remove_cv_t<Type2>, value_type>::value, int> = 0>
constexpr bool operator>=(const span_iterator<Type2>& rhs) const noexcept
{
return !(*this < rhs);
}
#ifdef _MSC_VER
// MSVC++ iterator debugging support; allows STL algorithms in 15.8+
// to unwrap span_iterator to a pointer type after a range check in STL
// algorithm calls
friend constexpr void _Verify_range(span_iterator lhs, span_iterator rhs) noexcept
{ // test that [lhs, rhs) forms a valid range inside an STL algorithm
Expects(lhs.begin_ == rhs.begin_ // range spans have to match
&& lhs.end_ == rhs.end_ &&
lhs.current_ <= rhs.current_); // range must not be transposed
}
constexpr void _Verify_offset(const difference_type n) const noexcept
{ // test that *this + n is within the range of this call
if (n != 0) Expects(begin_ && current_ && end_);
if (n > 0) Expects(end_ - current_ >= n);
if (n < 0) Expects(current_ - begin_ >= -n);
}
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
constexpr pointer _Unwrapped() const noexcept
{ // after seeking *this to a high water mark, or using one of the
// _Verify_xxx functions above, unwrap this span_iterator to a raw
// pointer
return current_;
}
// Tell the STL that span_iterator should not be unwrapped if it can't
// validate in advance, even in release / optimized builds:
#if defined(GSL_USE_STATIC_CONSTEXPR_WORKAROUND)
static constexpr const bool _Unwrap_when_unverified = false;
#else
static constexpr bool _Unwrap_when_unverified = false;
#endif
// clang-format off
GSL_SUPPRESS(con.3) // NO-FORMAT: attribute // TODO: false positive
// clang-format on
constexpr void _Seek_to(const pointer p) noexcept
{ // adjust the position of *this to previously verified location p
// after _Unwrapped
current_ = p;
}
#endif
pointer begin_ = nullptr;
pointer end_ = nullptr;
pointer current_ = nullptr;
template <typename Ptr>
friend struct std::pointer_traits;
};
}} // namespace gsl::details
namespace std
{
template <class Type>
struct pointer_traits<::gsl::details::span_iterator<Type>>
{
using pointer = ::gsl::details::span_iterator<Type>;
using element_type = Type;
using difference_type = ptrdiff_t;
static constexpr element_type* to_address(const pointer i) noexcept { return i.current_; }
};
} // namespace std
namespace gsl { namespace details {
template <std::size_t Ext>
class extent_type
{
public:
using size_type = std::size_t;
constexpr extent_type() noexcept = default;
constexpr explicit extent_type(extent_type<dynamic_extent>);
constexpr explicit extent_type(size_type size) { Expects(size == Ext); }
constexpr size_type size() const noexcept { return Ext; }
private:
#if defined(GSL_USE_STATIC_CONSTEXPR_WORKAROUND)
static constexpr const size_type size_ = Ext; // static size equal to Ext
#else
static constexpr size_type size_ = Ext; // static size equal to Ext
#endif
};
template <>
class extent_type<dynamic_extent>
{
public:
using size_type = std::size_t;
template <size_type Other>
constexpr explicit extent_type(extent_type<Other> ext) : size_(ext.size())
{}
constexpr explicit extent_type(size_type size) : size_(size)
{
Expects(size != dynamic_extent);
}
constexpr size_type size() const noexcept { return size_; }
private:
size_type size_;
};
template <std::size_t Ext>
constexpr extent_type<Ext>::extent_type(extent_type<dynamic_extent> ext)
{
Expects(ext.size() == Ext);
}
template <class ElementType, std::size_t Extent, std::size_t Offset, std::size_t Count>
struct calculate_subspan_type
{
using type = span<ElementType, Count != dynamic_extent
? Count
: (Extent != dynamic_extent ? Extent - Offset : Extent)>;
};
} // namespace details
// [span], class template span
template <class ElementType, std::size_t Extent>
class span
{
public:
// constants and types
using element_type = ElementType;
using value_type = std::remove_cv_t<ElementType>;
using size_type = std::size_t;
using pointer = element_type*;
using const_pointer = const element_type*;
using reference = element_type&;
using const_reference = const element_type&;
using difference_type = std::ptrdiff_t;
using iterator = details::span_iterator<ElementType>;
using reverse_iterator = std::reverse_iterator<iterator>;
#if defined(GSL_USE_STATIC_CONSTEXPR_WORKAROUND)
static constexpr const size_type extent{Extent};
#else
static constexpr size_type extent{Extent};
#endif
// [span.cons], span constructors, copy, assignment, and destructor
template <bool Dependent = false,
// "Dependent" is needed to make "std::enable_if_t<Dependent || Extent == 0 || Extent
// == dynamic_extent>" SFINAE, since "std::enable_if_t<Extent == 0 || Extent ==
// dynamic_extent>" is ill-formed when Extent is greater than 0.
class = std::enable_if_t<(Dependent ||
details::is_allowed_extent_conversion<0, Extent>::value)>>
constexpr span() noexcept : storage_(nullptr, details::extent_type<0>())
{}
template <std::size_t MyExtent = Extent, std::enable_if_t<MyExtent != dynamic_extent, int> = 0>
constexpr explicit span(pointer ptr, size_type count) noexcept : storage_(ptr, count)
{
Expects(count == Extent);
}
template <std::size_t MyExtent = Extent, std::enable_if_t<MyExtent == dynamic_extent, int> = 0>
constexpr span(pointer ptr, size_type count) noexcept : storage_(ptr, count)
{}
template <std::size_t MyExtent = Extent, std::enable_if_t<MyExtent != dynamic_extent, int> = 0>
constexpr explicit span(pointer firstElem, pointer lastElem) noexcept
: storage_(firstElem, narrow_cast<std::size_t>(lastElem - firstElem))
{
Expects(lastElem - firstElem == static_cast<difference_type>(Extent));
}
template <std::size_t MyExtent = Extent, std::enable_if_t<MyExtent == dynamic_extent, int> = 0>
constexpr span(pointer firstElem, pointer lastElem) noexcept
: storage_(firstElem, narrow_cast<std::size_t>(lastElem - firstElem))
{}
template <std::size_t N,
std::enable_if_t<details::is_allowed_extent_conversion<N, Extent>::value, int> = 0>
constexpr span(element_type (&arr)[N]) noexcept
: storage_(KnownNotNull{arr}, details::extent_type<N>())
{}
template <
class T, std::size_t N,
std::enable_if_t<(details::is_allowed_extent_conversion<N, Extent>::value &&
details::is_allowed_element_type_conversion<T, element_type>::value),
int> = 0>
constexpr span(std::array<T, N>& arr) noexcept
: storage_(KnownNotNull{arr.data()}, details::extent_type<N>())
{}
template <class T, std::size_t N,
std::enable_if_t<
(details::is_allowed_extent_conversion<N, Extent>::value &&
details::is_allowed_element_type_conversion<const T, element_type>::value),
int> = 0>
constexpr span(const std::array<T, N>& arr) noexcept
: storage_(KnownNotNull{arr.data()}, details::extent_type<N>())
{}
// NB: the SFINAE on these constructors uses .data() as an incomplete/imperfect proxy for the
// requirement on Container to be a contiguous sequence container.
template <std::size_t MyExtent = Extent, class Container,
std::enable_if_t<
MyExtent != dynamic_extent && !details::is_span<Container>::value &&
!details::is_std_array<Container>::value &&
std::is_pointer<decltype(std::declval<Container&>().data())>::value &&
std::is_convertible<
std::remove_pointer_t<decltype(std::declval<Container&>().data())> (*)[],
element_type (*)[]>::value,
int> = 0>
constexpr explicit span(Container& cont) noexcept : span(cont.data(), cont.size())
{}
template <std::size_t MyExtent = Extent, class Container,
std::enable_if_t<
MyExtent == dynamic_extent && !details::is_span<Container>::value &&
!details::is_std_array<Container>::value &&
std::is_pointer<decltype(std::declval<Container&>().data())>::value &&
std::is_convertible<
std::remove_pointer_t<decltype(std::declval<Container&>().data())> (*)[],
element_type (*)[]>::value,
int> = 0>
constexpr span(Container& cont) noexcept : span(cont.data(), cont.size())
{}
template <
std::size_t MyExtent = Extent, class Container,
std::enable_if_t<
MyExtent != dynamic_extent && std::is_const<element_type>::value &&
!details::is_span<Container>::value && !details::is_std_array<Container>::value &&
std::is_pointer<decltype(std::declval<const Container&>().data())>::value &&
std::is_convertible<
std::remove_pointer_t<decltype(std::declval<const Container&>().data())> (*)[],
element_type (*)[]>::value,
int> = 0>
constexpr explicit span(const Container& cont) noexcept : span(cont.data(), cont.size())
{}
template <
std::size_t MyExtent = Extent, class Container,
std::enable_if_t<
MyExtent == dynamic_extent && std::is_const<element_type>::value &&
!details::is_span<Container>::value && !details::is_std_array<Container>::value &&
std::is_pointer<decltype(std::declval<const Container&>().data())>::value &&
std::is_convertible<
std::remove_pointer_t<decltype(std::declval<const Container&>().data())> (*)[],
element_type (*)[]>::value,
int> = 0>
constexpr span(const Container& cont) noexcept : span(cont.data(), cont.size())
{}
constexpr span(const span& other) noexcept = default;
template <class OtherElementType, std::size_t OtherExtent, std::size_t MyExtent = Extent,
std::enable_if_t<(MyExtent == dynamic_extent || MyExtent == OtherExtent) &&
details::is_allowed_element_type_conversion<OtherElementType,
element_type>::value,
int> = 0>
constexpr span(const span<OtherElementType, OtherExtent>& other) noexcept
: storage_(other.data(), details::extent_type<OtherExtent>(other.size()))
{}
template <class OtherElementType, std::size_t OtherExtent, std::size_t MyExtent = Extent,
std::enable_if_t<MyExtent != dynamic_extent && OtherExtent == dynamic_extent &&
details::is_allowed_element_type_conversion<OtherElementType,
element_type>::value,
int> = 0>
constexpr explicit span(const span<OtherElementType, OtherExtent>& other) noexcept
: storage_(other.data(), details::extent_type<OtherExtent>(other.size()))
{}
~span() noexcept = default;
constexpr span& operator=(const span& other) noexcept = default;
// [span.sub], span subviews
template <std::size_t Count>
constexpr span<element_type, Count> first() const noexcept
{
Expects(Count <= size());
return span<element_type, Count>{data(), Count};
}
template <std::size_t Count>
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
constexpr span<element_type, Count> last() const noexcept
{
Expects(Count <= size());
return span<element_type, Count>{data() + (size() - Count), Count};
}
template <std::size_t Offset, std::size_t Count = dynamic_extent>
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
constexpr auto subspan() const noexcept ->
typename details::calculate_subspan_type<ElementType, Extent, Offset, Count>::type
{
Expects((size() >= Offset) && (Count == dynamic_extent || (Count <= size() - Offset)));
using type =
typename details::calculate_subspan_type<ElementType, Extent, Offset, Count>::type;
return type{data() + Offset, Count == dynamic_extent ? size() - Offset : Count};
}
constexpr span<element_type, dynamic_extent> first(size_type count) const noexcept
{
Expects(count <= size());
return {data(), count};
}
constexpr span<element_type, dynamic_extent> last(size_type count) const noexcept
{
Expects(count <= size());
return make_subspan(size() - count, dynamic_extent, subspan_selector<Extent>{});
}
constexpr span<element_type, dynamic_extent>
subspan(size_type offset, size_type count = dynamic_extent) const noexcept
{
return make_subspan(offset, count, subspan_selector<Extent>{});
}
// [span.obs], span observers
constexpr size_type size() const noexcept { return storage_.size(); }
constexpr size_type size_bytes() const noexcept { return size() * sizeof(element_type); }
constexpr bool empty() const noexcept { return size() == 0; }
// [span.elem], span element access
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
constexpr reference operator[](size_type idx) const noexcept
{
Expects(idx < size());
return data()[idx];
}
constexpr reference front() const noexcept
{
Expects(size() > 0);
return data()[0];
}
constexpr reference back() const noexcept
{
Expects(size() > 0);
return data()[size() - 1];
}
constexpr pointer data() const noexcept { return storage_.data(); }
// [span.iter], span iterator support
constexpr iterator begin() const noexcept
{
const auto data = storage_.data();
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
return {data, data + size(), data};
}
constexpr iterator end() const noexcept
{
const auto data = storage_.data();
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
const auto endData = data + storage_.size();
return {data, endData, endData};
}
constexpr reverse_iterator rbegin() const noexcept { return reverse_iterator{end()}; }
constexpr reverse_iterator rend() const noexcept { return reverse_iterator{begin()}; }
#ifdef _MSC_VER
// Tell MSVC how to unwrap spans in range-based-for
constexpr pointer _Unchecked_begin() const noexcept { return data(); }
constexpr pointer _Unchecked_end() const noexcept
{
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
return data() + size();
}
#endif // _MSC_VER
private:
// Needed to remove unnecessary null check in subspans
struct KnownNotNull
{
pointer p;
};
// this implementation detail class lets us take advantage of the
// empty base class optimization to pay for only storage of a single
// pointer in the case of fixed-size spans
template <class ExtentType>
class storage_type : public ExtentType
{
public:
// KnownNotNull parameter is needed to remove unnecessary null check
// in subspans and constructors from arrays
template <class OtherExtentType>
constexpr storage_type(KnownNotNull data, OtherExtentType ext)
: ExtentType(ext), data_(data.p)
{}
template <class OtherExtentType>
constexpr storage_type(pointer data, OtherExtentType ext) : ExtentType(ext), data_(data)
{
Expects(data || ExtentType::size() == 0);
}
constexpr pointer data() const noexcept { return data_; }
private:
pointer data_;
};
storage_type<details::extent_type<Extent>> storage_;
// The rest is needed to remove unnecessary null check
// in subspans and constructors from arrays
constexpr span(KnownNotNull ptr, size_type count) noexcept : storage_(ptr, count) {}
template <std::size_t CallerExtent>
class subspan_selector
{
};
template <std::size_t CallerExtent>
constexpr span<element_type, dynamic_extent>
make_subspan(size_type offset, size_type count, subspan_selector<CallerExtent>) const noexcept
{
const span<element_type, dynamic_extent> tmp(*this);
return tmp.subspan(offset, count);
}
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
constexpr span<element_type, dynamic_extent>
make_subspan(size_type offset, size_type count, subspan_selector<dynamic_extent>) const noexcept
{
Expects(size() >= offset);
if (count == dynamic_extent) { return {KnownNotNull{data() + offset}, size() - offset}; }
Expects(size() - offset >= count);
return {KnownNotNull{data() + offset}, count};
}
};
#if (defined(__cpp_deduction_guides) && (__cpp_deduction_guides >= 201611L))
// Deduction Guides
template <class Type, std::size_t Extent>
span(Type (&)[Extent]) -> span<Type, Extent>;
template <class Type, std::size_t Size>
span(std::array<Type, Size>&) -> span<Type, Size>;
template <class Type, std::size_t Size>
span(const std::array<Type, Size>&) -> span<const Type, Size>;
template <class Container,
class Element = std::remove_pointer_t<decltype(std::declval<Container&>().data())>>
span(Container&) -> span<Element>;
template <class Container,
class Element = std::remove_pointer_t<decltype(std::declval<const Container&>().data())>>
span(const Container&) -> span<Element>;
#endif // ( defined(__cpp_deduction_guides) && (__cpp_deduction_guides >= 201611L) )
#if defined(GSL_USE_STATIC_CONSTEXPR_WORKAROUND)
#if defined(__clang__) && defined(_MSC_VER) && defined(__cplusplus) && (__cplusplus < 201703L)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated" // Bug in clang-cl.exe which raises a C++17 -Wdeprecated warning about this static constexpr workaround in C++14 mode.
#endif // defined(__clang__) && defined(_MSC_VER) && defined(__cplusplus) && (__cplusplus < 201703L)
template <class ElementType, std::size_t Extent>
constexpr const typename span<ElementType, Extent>::size_type span<ElementType, Extent>::extent;
#if defined(__clang__) && defined(_MSC_VER) && defined(__cplusplus) && (__cplusplus < 201703L)
#pragma clang diagnostic pop
#endif // defined(__clang__) && defined(_MSC_VER) && defined(__cplusplus) && (__cplusplus < 201703L)
#endif
namespace details
{
// if we only supported compilers with good constexpr support then
// this pair of classes could collapse down to a constexpr function
// we should use a narrow_cast<> to go to std::size_t, but older compilers may not see it as
// constexpr
// and so will fail compilation of the template
template <class ElementType, std::size_t Extent>
struct calculate_byte_size : std::integral_constant<std::size_t, sizeof(ElementType) * Extent>
{
static_assert(Extent < dynamic_extent / sizeof(ElementType), "Size is too big.");
};
template <class ElementType>
struct calculate_byte_size<ElementType, dynamic_extent>
: std::integral_constant<std::size_t, dynamic_extent>
{
};
} // namespace details
// [span.objectrep], views of object representation
template <class ElementType, std::size_t Extent>
span<const byte, details::calculate_byte_size<ElementType, Extent>::value>
as_bytes(span<ElementType, Extent> s) noexcept
{
using type = span<const byte, details::calculate_byte_size<ElementType, Extent>::value>;
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
return type{reinterpret_cast<const byte*>(s.data()), s.size_bytes()};
}
template <class ElementType, std::size_t Extent,
std::enable_if_t<!std::is_const<ElementType>::value, int> = 0>
span<byte, details::calculate_byte_size<ElementType, Extent>::value>
as_writable_bytes(span<ElementType, Extent> s) noexcept
{
using type = span<byte, details::calculate_byte_size<ElementType, Extent>::value>;
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
return type{reinterpret_cast<byte*>(s.data()), s.size_bytes()};
}
} // namespace gsl
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(pop)
#endif // _MSC_VER
#if defined(__GNUC__) && __GNUC__ > 6
#pragma GCC diagnostic pop
#endif // __GNUC__ > 6
#endif // GSL_SPAN_H

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_SPAN_EXT_H
#define GSL_SPAN_EXT_H
///////////////////////////////////////////////////////////////////////////////
//
// File: span_ext
// Purpose: continue offering features that have been cut from the official
// implementation of span.
// While modernizing gsl::span a number of features needed to be removed to
// be compliant with the design of std::span
//
///////////////////////////////////////////////////////////////////////////////
#include "assert" // GSL_KERNEL_MODE
#include "util" // for narrow_cast, narrow
#include <cstddef> // for ptrdiff_t, size_t
#include <utility>
#ifndef GSL_KERNEL_MODE
#include <algorithm> // for lexicographical_compare
#endif // GSL_KERNEL_MODE
namespace gsl
{
// [span.views.constants], constants
GSL_INLINE constexpr const std::size_t dynamic_extent = narrow_cast<std::size_t>(-1);
template <class ElementType, std::size_t Extent = dynamic_extent>
class span;
// std::equal and std::lexicographical_compare are not /kernel compatible
// so all comparison operators must be removed for kernel mode.
#ifndef GSL_KERNEL_MODE
// [span.comparison], span comparison operators
template <class ElementType, std::size_t FirstExtent, std::size_t SecondExtent>
constexpr bool operator==(span<ElementType, FirstExtent> l, span<ElementType, SecondExtent> r)
{
return std::equal(l.begin(), l.end(), r.begin(), r.end());
}
template <class ElementType, std::size_t Extent>
constexpr bool operator!=(span<ElementType, Extent> l, span<ElementType, Extent> r)
{
return !(l == r);
}
template <class ElementType, std::size_t Extent>
constexpr bool operator<(span<ElementType, Extent> l, span<ElementType, Extent> r)
{
return std::lexicographical_compare(l.begin(), l.end(), r.begin(), r.end());
}
template <class ElementType, std::size_t Extent>
constexpr bool operator<=(span<ElementType, Extent> l, span<ElementType, Extent> r)
{
return !(l > r);
}
template <class ElementType, std::size_t Extent>
constexpr bool operator>(span<ElementType, Extent> l, span<ElementType, Extent> r)
{
return r < l;
}
template <class ElementType, std::size_t Extent>
constexpr bool operator>=(span<ElementType, Extent> l, span<ElementType, Extent> r)
{
return !(l < r);
}
#endif // GSL_KERNEL_MODE
//
// make_span() - Utility functions for creating spans
//
template <class ElementType>
constexpr span<ElementType> make_span(ElementType* ptr, typename span<ElementType>::size_type count)
{
return span<ElementType>(ptr, count);
}
template <class ElementType>
constexpr span<ElementType> make_span(ElementType* firstElem, ElementType* lastElem)
{
return span<ElementType>(firstElem, lastElem);
}
template <class ElementType, std::size_t N>
constexpr span<ElementType, N> make_span(ElementType (&arr)[N]) noexcept
{
return span<ElementType, N>(arr);
}
template <class Container>
constexpr span<typename Container::value_type> make_span(Container& cont)
{
return span<typename Container::value_type>(cont);
}
template <class Container>
constexpr span<const typename Container::value_type> make_span(const Container& cont)
{
return span<const typename Container::value_type>(cont);
}
template <class Ptr>
[[deprecated("This function is deprecated. See GSL issue #1092.")]]
constexpr span<typename Ptr::element_type> make_span(Ptr& cont, std::size_t count)
{
return span<typename Ptr::element_type>(cont, count);
}
template <class Ptr>
[[deprecated("This function is deprecated. See GSL issue #1092.")]]
constexpr span<typename Ptr::element_type> make_span(Ptr& cont)
{
return span<typename Ptr::element_type>(cont);
}
// Specialization of gsl::at for span
template <class ElementType, std::size_t Extent>
constexpr ElementType& at(span<ElementType, Extent> s, index i)
{
// No bounds checking here because it is done in span::operator[] called below
Ensures(i >= 0);
return s[narrow_cast<std::size_t>(i)];
}
// [span.obs] Free observer functions
template <class ElementType, std::size_t Extent>
constexpr std::ptrdiff_t ssize(const span<ElementType, Extent>& s) noexcept
{
return static_cast<std::ptrdiff_t>(s.size());
}
// [span.iter] Free functions for begin/end functions
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::iterator
begin(const span<ElementType, Extent>& s) noexcept
{
return s.begin();
}
template <class ElementType, std::size_t Extent = dynamic_extent>
constexpr typename span<ElementType, Extent>::iterator
end(const span<ElementType, Extent>& s) noexcept
{
return s.end();
}
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::reverse_iterator
rbegin(const span<ElementType, Extent>& s) noexcept
{
return s.rbegin();
}
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::reverse_iterator
rend(const span<ElementType, Extent>& s) noexcept
{
return s.rend();
}
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::iterator
cbegin(const span<ElementType, Extent>& s) noexcept
{
return s.begin();
}
template <class ElementType, std::size_t Extent = dynamic_extent>
constexpr typename span<ElementType, Extent>::iterator
cend(const span<ElementType, Extent>& s) noexcept
{
return s.end();
}
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::reverse_iterator
crbegin(const span<ElementType, Extent>& s) noexcept
{
return s.rbegin();
}
template <class ElementType, std::size_t Extent>
constexpr typename span<ElementType, Extent>::reverse_iterator
crend(const span<ElementType, Extent>& s) noexcept
{
return s.rend();
}
} // namespace gsl
#endif // GSL_SPAN_EXT_H

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#pragma once
#pragma message( \
"This header will soon be removed. Use <gsl/zstring> instead of <gsl/string_span>")
#include "zstring"

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_UTIL_H
#define GSL_UTIL_H
#include "assert" // for Expects
#include <array>
#include <cstddef> // for ptrdiff_t, size_t
#include <limits> // for numeric_limits
#include <initializer_list> // for initializer_list
#include <type_traits> // for is_signed, integral_constant
#include <utility> // for exchange, forward
#if defined(__has_include) && __has_include(<version>)
#include <version>
#if defined(__cpp_lib_span) && __cpp_lib_span >= 202002L
#include <span>
#endif // __cpp_lib_span >= 202002L
#endif //__has_include(<version>)
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(push)
#pragma warning(disable : 4127) // conditional expression is constant
#endif // _MSC_VER
#if defined(__cplusplus) && (__cplusplus >= 201703L)
#define GSL_NODISCARD [[nodiscard]]
#else
#define GSL_NODISCARD
#endif // defined(__cplusplus) && (__cplusplus >= 201703L)
#if defined(__cpp_inline_variables)
#define GSL_INLINE inline
#else
#define GSL_INLINE
#endif
namespace gsl
{
//
// GSL.util: utilities
//
// index type for all container indexes/subscripts/sizes
using index = std::ptrdiff_t;
// final_action allows you to ensure something gets run at the end of a scope
template <class F>
class final_action
{
public:
explicit final_action(const F& ff) noexcept : f{ff} { }
explicit final_action(F&& ff) noexcept : f{std::move(ff)} { }
~final_action() noexcept { if (invoke) f(); }
final_action(final_action&& other) noexcept
: f(std::move(other.f)), invoke(std::exchange(other.invoke, false))
{ }
final_action(const final_action&) = delete;
void operator=(const final_action&) = delete;
void operator=(final_action&&) = delete;
private:
F f;
bool invoke = true;
};
// finally() - convenience function to generate a final_action
template <class F>
GSL_NODISCARD auto finally(F&& f) noexcept
{
return final_action<std::decay_t<F>>{std::forward<F>(f)};
}
// narrow_cast(): a searchable way to do narrowing casts of values
template <class T, class U>
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
constexpr T narrow_cast(U&& u) noexcept
{
return static_cast<T>(std::forward<U>(u));
}
//
// at() - Bounds-checked way of accessing builtin arrays, std::array, std::vector
//
template <class T, std::size_t N>
// clang-format off
GSL_SUPPRESS(bounds.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.2) // NO-FORMAT: attribute
// clang-format on
constexpr T& at(T (&arr)[N], const index i)
{
static_assert(N <= static_cast<std::size_t>((std::numeric_limits<std::ptrdiff_t>::max)()), "We only support arrays up to PTRDIFF_MAX bytes.");
Expects(i >= 0 && i < narrow_cast<index>(N));
return arr[narrow_cast<std::size_t>(i)];
}
template <class Cont>
// clang-format off
GSL_SUPPRESS(bounds.4) // NO-FORMAT: attribute
GSL_SUPPRESS(bounds.2) // NO-FORMAT: attribute
// clang-format on
constexpr auto at(Cont& cont, const index i) -> decltype(cont[cont.size()])
{
Expects(i >= 0 && i < narrow_cast<index>(cont.size()));
using size_type = decltype(cont.size());
return cont[narrow_cast<size_type>(i)];
}
template <class T>
// clang-format off
GSL_SUPPRESS(bounds.1) // NO-FORMAT: attribute
// clang-format on
constexpr T at(const std::initializer_list<T> cont, const index i)
{
Expects(i >= 0 && i < narrow_cast<index>(cont.size()));
return *(cont.begin() + i);
}
#if defined(__cpp_lib_span) && __cpp_lib_span >= 202002L
template <class T, std::size_t extent = std::dynamic_extent>
constexpr auto at(std::span<T, extent> sp, const index i) -> decltype(sp[sp.size()])
{
Expects(i >= 0 && i < narrow_cast<index>(sp.size()));
return sp[gsl::narrow_cast<std::size_t>(i)];
}
#endif // __cpp_lib_span >= 202002L
} // namespace gsl
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(pop)
#endif // _MSC_VER
#endif // GSL_UTIL_H

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef GSL_ZSTRING_H
#define GSL_ZSTRING_H
#include "span_ext" // for dynamic_extent
#include <cstddef> // for size_t, nullptr_t
namespace gsl
{
//
// czstring and wzstring
//
// These are "tag" typedefs for C-style strings (i.e. null-terminated character arrays)
// that allow static analysis to help find bugs.
//
// There are no additional features/semantics that we can find a way to add inside the
// type system for these types that will not either incur significant runtime costs or
// (sometimes needlessly) break existing programs when introduced.
//
template <typename CharT, std::size_t Extent = dynamic_extent>
using basic_zstring = CharT*;
using czstring = basic_zstring<const char, dynamic_extent>;
using cwzstring = basic_zstring<const wchar_t, dynamic_extent>;
using cu16zstring = basic_zstring<const char16_t, dynamic_extent>;
using cu32zstring = basic_zstring<const char32_t, dynamic_extent>;
using zstring = basic_zstring<char, dynamic_extent>;
using wzstring = basic_zstring<wchar_t, dynamic_extent>;
using u16zstring = basic_zstring<char16_t, dynamic_extent>;
using u32zstring = basic_zstring<char32_t, dynamic_extent>;
} // namespace gsl
#endif // GSL_ZSTRING_H

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parameters:
CXXVersions: [ 14, 17, 20 ]
buildTypes: [ 'Debug', 'Release' ]
image: ''
compiler: ''
compilerVersions: ["default"] # if default value, simply uses whatever version is on the machine.
# the text of this default value doesn't actually matter.
setupfile: ''
extraCmakeArgs: ''
jobs:
- ${{ each compilerVersion in parameters.compilerVersions }}:
- ${{ each CXXVersion in parameters.CXXVersions }}:
- ${{ each buildType in parameters.buildTypes }}:
- job:
displayName: ${{ format('{0} {1} C++{2} {3}', parameters.compiler, compilerVersion, CXXVersion, buildType) }}
pool:
vmImage: ${{ parameters.image }}
continueOnError: false
steps:
- ${{ if not(eq(parameters.setupfile, '')) }}:
- template: ${{ parameters.setupfile }}
parameters:
version: ${{ compilerVersion }}
- task: CMake@1
name: Configure
inputs:
workingDirectory: build
cmakeArgs: '-DGSL_CXX_STANDARD=${{ CXXVersion }} -DCMAKE_BUILD_TYPE=${{ buildType }} -DCI_TESTING:BOOL=ON -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON -Werror=dev ${{ parameters.extraCmakeArgs }} .. '
- task: CMake@1
name: Build
inputs:
workingDirectory: build
cmakeArgs: '--build . '
- script: ctest . --output-on-failure --no-compress-output
name: CTest
workingDirectory: build
failOnStderr: true

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parameters:
version: 0
steps:
- script: |
if [ "${{ parameters.version }}" != "default" ]; then sudo xcode-select -switch /Applications/Xcode_${{ parameters.version }}.app; fi
displayName: "Setup Xcode Version"
failOnStderr: true

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parameters:
version: 0
steps:
- script: |
echo "##vso[task.setvariable variable=CXX;]${CXX}"
echo "##vso[task.setvariable variable=CC;]${CC}"
displayName: "Setup Clang Version"
failOnStderr: true
env:
CC: clang-${{ parameters.version }}
CXX: clang++-${{ parameters.version }}

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parameters:
version: 0
steps:
- script: |
echo "##vso[task.setvariable variable=CXX;]${CXX}"
echo "##vso[task.setvariable variable=CC;]${CC}"
if [ "${{ parameters.version }}" = "11" ]; then sudo apt-get install $CXX; fi
displayName: "Setup GCC Version"
failOnStderr: true
env:
CC: gcc-${{ parameters.version }}
CXX: g++-${{ parameters.version }}

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cmake_minimum_required(VERSION 3.14...3.16)
project(GSLTests LANGUAGES CXX)
set(GSL_CXX_STANDARD "14" CACHE STRING "Use c++ standard")
set(CMAKE_CXX_STANDARD ${GSL_CXX_STANDARD})
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
include(FindPkgConfig)
include(ExternalProject)
# will make visual studio generated project group files
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
if(CI_TESTING AND GSL_CXX_STANDARD EQUAL 20)
add_compile_definitions(FORCE_STD_SPAN_TESTS=1)
endif()
if(IOS)
add_compile_definitions(GTEST_HAS_DEATH_TEST=1 IOS_PROCESS_DELAY_WORKAROUND=1)
endif()
pkg_search_module(GTestMain gtest_main)
if (NOT GTestMain_FOUND)
# No pre-installed GTest is available, try to download it using Git.
find_package(Git REQUIRED QUIET)
configure_file(CMakeLists.txt.in googletest-download/CMakeLists.txt)
execute_process(
COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/googletest-download
)
if(result)
message(FATAL_ERROR "CMake step for googletest failed: ${result}")
endif()
execute_process(
COMMAND ${CMAKE_COMMAND} --build .
RESULT_VARIABLE result
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/googletest-download
)
if(result)
message(FATAL_ERROR "CMake step for googletest failed: ${result}")
endif()
set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
set(GTestMain_LIBRARIES gtest_main)
add_subdirectory(
${CMAKE_CURRENT_BINARY_DIR}/googletest-src
${CMAKE_CURRENT_BINARY_DIR}/googletest-build
EXCLUDE_FROM_ALL
)
endif()
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
find_package(Microsoft.GSL CONFIG REQUIRED)
enable_testing()
if (NOT DEFINED Microsoft.GSL_VERSION)
message(FATAL_ERROR "Microsoft.GSL_VERSION not defined!")
endif()
message(STATUS "Microsoft.GSL_VERSION = ${Microsoft.GSL_VERSION}")
endif()
if (MSVC AND (GSL_CXX_STANDARD GREATER_EQUAL 17))
set(GSL_CPLUSPLUS_OPT -Zc:__cplusplus -permissive-)
endif()
include(CheckCXXCompilerFlag)
# this interface adds compile options to how the tests are run
# please try to keep entries ordered =)
add_library(gsl_tests_config INTERFACE)
if(MSVC) # MSVC or simulating MSVC
target_compile_options(gsl_tests_config INTERFACE
${GSL_CPLUSPLUS_OPT}
/EHsc
/W4
/WX
$<$<CXX_COMPILER_ID:MSVC>:
/wd4996 # Use of function or classes marked [[deprecated]]
/wd26409 # CppCoreCheck - GTest
/wd26426 # CppCoreCheck - GTest
/wd26440 # CppCoreCheck - GTest
/wd26446 # CppCoreCheck - prefer gsl::at()
/wd26472 # CppCoreCheck - use gsl::narrow(_cast)
/wd26481 # CppCoreCheck - use span instead of pointer arithmetic
$<$<VERSION_LESS:$<CXX_COMPILER_VERSION>,1920>: # VS2015
/wd4189 # variable is initialized but not referenced
$<$<NOT:$<CONFIG:Debug>>: # Release, RelWithDebInfo
/wd4702 # Unreachable code
>
>
>
$<$<CXX_COMPILER_ID:Clang>:
-Weverything
-Wfloat-equal
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-covered-switch-default # GTest
-Wno-deprecated-declarations # Allow tests for [[deprecated]] elements
-Wno-global-constructors # GTest
-Wno-language-extension-token # GTest gtest-port.h
-Wno-missing-braces
-Wno-missing-prototypes
-Wno-shift-sign-overflow # GTest gtest-port.h
-Wno-undef # GTest
-Wno-used-but-marked-unused # GTest EXPECT_DEATH
$<$<EQUAL:${GSL_CXX_STANDARD},14>: # no support for [[maybe_unused]]
-Wno-unused-member-function
-Wno-unused-variable
$<$<VERSION_EQUAL:$<CXX_COMPILER_VERSION>,15.0.1>:
-Wno-deprecated # False positive in MSVC Clang 15.0.1 raises a C++17 warning
>
>
>
)
check_cxx_compiler_flag("-Wno-reserved-identifier" WARN_RESERVED_ID)
if (WARN_RESERVED_ID)
target_compile_options(gsl_tests_config INTERFACE "-Wno-reserved-identifier")
endif()
check_cxx_compiler_flag("-Wno-unsafe-buffer-usage" WARN_UNSAFE_BUFFER)
if (WARN_UNSAFE_BUFFER)
# This test uses very greedy heuristics such as "no pointer arithmetic on raw buffer"
target_compile_options(gsl_tests_config INTERFACE "-Wno-unsafe-buffer-usage")
endif()
else()
target_compile_options(gsl_tests_config INTERFACE
-fno-strict-aliasing
-Wall
-Wcast-align
-Wconversion
-Wctor-dtor-privacy
-Werror
-Wextra
-Wpedantic
-Wshadow
-Wsign-conversion
-Wfloat-equal
-Wno-deprecated-declarations # Allow tests for [[deprecated]] elements
$<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:
-Weverything
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-missing-braces
-Wno-covered-switch-default # GTest
-Wno-global-constructors # GTest
-Wno-missing-prototypes
-Wno-padded
-Wno-unknown-attributes
-Wno-used-but-marked-unused # GTest EXPECT_DEATH
-Wno-weak-vtables
$<$<EQUAL:${GSL_CXX_STANDARD},14>: # no support for [[maybe_unused]]
-Wno-unused-member-function
-Wno-unused-variable
>
>
$<$<CXX_COMPILER_ID:Clang>:
$<$<AND:$<VERSION_GREATER:$<CXX_COMPILER_VERSION>,4.99>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,6>>:
$<$<EQUAL:${GSL_CXX_STANDARD},17>:-Wno-undefined-func-template>
>
$<$<AND:$<EQUAL:${GSL_CXX_STANDARD},20>,$<OR:$<CXX_COMPILER_VERSION:11.0.0>,$<CXX_COMPILER_VERSION:10.0.0>>>:
-Wno-zero-as-null-pointer-constant # failing Clang Ubuntu 20.04 tests, seems to be a bug with clang 10.0.0
# and clang 11.0.0. (operator< is being re-written by the compiler
# as operator<=> and raising the warning)
>
>
$<$<CXX_COMPILER_ID:AppleClang>:
$<$<AND:$<VERSION_GREATER:$<CXX_COMPILER_VERSION>,9.1>,$<VERSION_LESS:$<CXX_COMPILER_VERSION>,10>>:
$<$<EQUAL:${GSL_CXX_STANDARD},17>:-Wno-undefined-func-template>
>
>
$<$<CXX_COMPILER_ID:GNU>:
-Wdouble-promotion # float implicit to double
-Wlogical-op # suspicious uses of logical operators
$<$<NOT:$<VERSION_LESS:$<CXX_COMPILER_VERSION>,6>>:
-Wduplicated-cond # duplicated if-else conditions
-Wmisleading-indentation
-Wnull-dereference
$<$<EQUAL:${GSL_CXX_STANDARD},14>: # no support for [[maybe_unused]]
-Wno-unused-variable
>
>
$<$<NOT:$<VERSION_LESS:$<CXX_COMPILER_VERSION>,7>>:
-Wduplicated-branches # identical if-else branches
>
>
)
endif(MSVC)
# for tests to find the gtest header
target_include_directories(gsl_tests_config SYSTEM INTERFACE
googletest/googletest/include
)
add_executable(gsl_tests
algorithm_tests.cpp
assertion_tests.cpp
at_tests.cpp
byte_tests.cpp
notnull_tests.cpp
owner_tests.cpp
span_compatibility_tests.cpp
span_ext_tests.cpp
span_tests.cpp
strict_notnull_tests.cpp
utils_tests.cpp
)
target_link_libraries(gsl_tests
Microsoft.GSL::GSL
gsl_tests_config
${GTestMain_LIBRARIES}
)
add_test(gsl_tests gsl_tests)
# No exception tests
foreach(flag_var
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
STRING (REGEX REPLACE "/EHsc" "" ${flag_var} "${${flag_var}}")
endforeach(flag_var)
# this interface adds compile options to how the tests are run
# please try to keep entries ordered =)
add_library(gsl_tests_config_noexcept INTERFACE)
if(MSVC) # MSVC or simulating MSVC
target_compile_definitions(gsl_tests_config_noexcept INTERFACE
_HAS_EXCEPTIONS=0 # disable exceptions in the Microsoft STL
)
target_compile_options(gsl_tests_config_noexcept INTERFACE
${GSL_CPLUSPLUS_OPT}
/W4
/WX
$<$<CXX_COMPILER_ID:MSVC>:
/wd4577
/wd4702
/wd26440 # CppCoreCheck - GTest
/wd26446 # CppCoreCheck - prefer gsl::at()
>
$<$<CXX_COMPILER_ID:Clang>:
-Weverything
-Wfloat-equal
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-missing-prototypes
-Wno-unknown-attributes
$<$<EQUAL:${GSL_CXX_STANDARD},14>:
$<$<VERSION_EQUAL:$<CXX_COMPILER_VERSION>,15.0.1>:
-Wno-deprecated # False positive in MSVC Clang 15.0.1 raises a C++17 warning
>
>
>
)
check_cxx_compiler_flag("-Wno-reserved-identifier" WARN_RESERVED_ID)
if (WARN_RESERVED_ID)
target_compile_options(gsl_tests_config_noexcept INTERFACE "-Wno-reserved-identifier")
endif()
check_cxx_compiler_flag("-Wno-unsafe-buffer-usage" WARN_UNSAFE_BUFFER)
if (WARN_UNSAFE_BUFFER)
# This test uses very greedy heuristics such as "no pointer arithmetic on raw buffer"
target_compile_options(gsl_tests_config_noexcept INTERFACE "-Wno-unsafe-buffer-usage")
endif()
else()
target_compile_options(gsl_tests_config_noexcept INTERFACE
-fno-exceptions
-fno-strict-aliasing
-Wall
-Wcast-align
-Wconversion
-Wctor-dtor-privacy
-Werror
-Wextra
-Wpedantic
-Wshadow
-Wsign-conversion
-Wfloat-equal
$<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:
-Weverything
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-missing-prototypes
-Wno-unknown-attributes
-Wno-weak-vtables
>
$<$<CXX_COMPILER_ID:GNU>:
-Wdouble-promotion # float implicit to double
-Wlogical-op # suspicious uses of logical operators
-Wuseless-cast # casting to its own type
$<$<NOT:$<VERSION_LESS:$<CXX_COMPILER_VERSION>,6>>:
-Wduplicated-cond # duplicated if-else conditions
-Wmisleading-indentation
-Wnull-dereference
>
$<$<NOT:$<VERSION_LESS:$<CXX_COMPILER_VERSION>,7>>:
-Wduplicated-branches # identical if-else branches
>
$<$<NOT:$<VERSION_LESS:$<CXX_COMPILER_VERSION>,8>>:
-Wcast-align=strict # increase alignment (i.e. char* to int*)
>
>
)
endif(MSVC)
add_executable(gsl_noexcept_tests no_exception_ensure_tests.cpp)
target_link_libraries(gsl_noexcept_tests
Microsoft.GSL::GSL
gsl_tests_config_noexcept
)
add_test(gsl_noexcept_tests gsl_noexcept_tests)

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cmake_minimum_required(VERSION 3.0.2)
project(googletest-download NONE)
include(ExternalProject)
ExternalProject_Add(googletest
GIT_REPOSITORY https://github.com/google/googletest.git
GIT_TAG 1b18723e874b256c1e39378c6774a90701d70f7a
SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/googletest-src"
BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/googletest-build"
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND ""
TEST_COMMAND ""
)

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <array> // for array
#include <cstddef> // for size_t
#include <gsl/algorithm> // for copy
#include <gsl/span> // for span
#include <gtest/gtest.h>
#include "deathTestCommon.h"
namespace gsl
{
struct fail_fast;
} // namespace gsl
using namespace gsl;
TEST(algorithm_tests, same_type)
{
// dynamic source and destination span
{
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
const span<int> src_span(src);
const span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i)
{
EXPECT_TRUE(dst[i] == src[i]);
EXPECT_TRUE(dst[i + src.size()] == src[i]);
}
}
// static source and dynamic destination span
{
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
const span<int, 5> src_span(src);
const span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i)
{
EXPECT_TRUE(dst[i] == src[i]);
EXPECT_TRUE(dst[i + src.size()] == src[i]);
}
}
// dynamic source and static destination span
{
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
const gsl::span<int> src_span(src);
const gsl::span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i)
{
EXPECT_TRUE(dst[i] == src[i]);
EXPECT_TRUE(dst[i + src.size()] == src[i]);
}
}
// static source and destination span
{
std::array<int, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
const span<int, 5> src_span(src);
const span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i)
{
EXPECT_TRUE(dst[i] == src[i]);
EXPECT_TRUE(dst[i + src.size()] == src[i]);
}
}
}
TEST(algorithm_tests, compatible_type)
{
// dynamic source and destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
const span<short> src_span(src);
const span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i)
{
EXPECT_TRUE(dst[i] == src[i]);
EXPECT_TRUE(dst[i + src.size()] == src[i]);
}
}
// static source and dynamic destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
const span<short, 5> src_span(src);
const span<int> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i)
{
EXPECT_TRUE(dst[i] == src[i]);
EXPECT_TRUE(dst[i + src.size()] == src[i]);
}
}
// dynamic source and static destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
const span<short> src_span(src);
const span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i)
{
EXPECT_TRUE(dst[i] == src[i]);
EXPECT_TRUE(dst[i + src.size()] == src[i]);
}
}
// static source and destination span
{
std::array<short, 5> src{1, 2, 3, 4, 5};
std::array<int, 10> dst{};
const span<short, 5> src_span(src);
const span<int, 10> dst_span(dst);
copy(src_span, dst_span);
copy(src_span, dst_span.subspan(src_span.size()));
for (std::size_t i = 0; i < src.size(); ++i)
{
EXPECT_TRUE(dst[i] == src[i]);
EXPECT_TRUE(dst[i + src.size()] == src[i]);
}
}
}
#ifdef CONFIRM_COMPILATION_ERRORS
TEST(algorithm_tests, incompatible_type)
{
std::array<int, 4> src{1, 2, 3, 4};
std::array<int*, 12> dst{};
span<int> src_span_dyn(src);
span<int, 4> src_span_static(src);
span<int*> dst_span_dyn(dst);
span<int*, 4> dst_span_static(dst);
// every line should produce a compilation error
copy(src_span_dyn, dst_span_dyn);
copy(src_span_dyn, dst_span_static);
copy(src_span_static, dst_span_dyn);
copy(src_span_static, dst_span_static);
}
#endif
TEST(algorithm_tests, small_destination_span)
{
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. small_destination_span";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
std::array<int, 12> src{1, 2, 3, 4};
std::array<int, 4> dst{};
const span<int> src_span_dyn(src);
const span<int, 12> src_span_static(src);
const span<int> dst_span_dyn(dst);
const span<int, 4> dst_span_static(dst);
EXPECT_DEATH(copy(src_span_dyn, dst_span_dyn), expected);
EXPECT_DEATH(copy(src_span_dyn, dst_span_static), expected);
EXPECT_DEATH(copy(src_span_static, dst_span_dyn), expected);
#ifdef CONFIRM_COMPILATION_ERRORS
copy(src_span_static, dst_span_static);
#endif
}

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include "deathTestCommon.h"
#include <gsl/assert> // for Ensures, Expects
#include <gtest/gtest.h>
using namespace gsl;
namespace
{
int f(int i)
{
Expects(i > 0 && i < 10);
return i;
}
int g(int i)
{
i++;
Ensures(i > 0 && i < 10);
return i;
}
} // namespace
TEST(assertion_tests, expects)
{
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. expects";
std::abort();
});
EXPECT_TRUE(f(2) == 2);
EXPECT_DEATH(f(10), GetExpectedDeathString(terminateHandler));
}
TEST(assertion_tests, ensures)
{
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. ensures";
std::abort();
});
EXPECT_TRUE(g(2) == 3);
EXPECT_DEATH(g(9), GetExpectedDeathString(terminateHandler));
}

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <gtest/gtest.h>
#include <gsl/util> // for at
#include <array> // for array
#include <cstddef> // for size_t
#include <exception> // for terminate
#include <initializer_list> // for initializer_list
#include <vector> // for vector
#if defined(__cplusplus) && __cplusplus >= 202002L
#include <span>
#endif // __cplusplus >= 202002L
#include "deathTestCommon.h"
TEST(at_tests, static_array)
{
int a[4] = {1, 2, 3, 4};
const int(&c_a)[4] = a;
for (int i = 0; i < 4; ++i)
{
EXPECT_TRUE(&gsl::at(a, i) == &a[i]);
EXPECT_TRUE(&gsl::at(c_a, i) == &a[i]);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. static_array";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
EXPECT_DEATH(gsl::at(a, -1), expected);
EXPECT_DEATH(gsl::at(a, 4), expected);
EXPECT_DEATH(gsl::at(c_a, -1), expected);
EXPECT_DEATH(gsl::at(c_a, 4), expected);
}
TEST(at_tests, std_array)
{
std::array<int, 4> a = {1, 2, 3, 4};
const std::array<int, 4>& c_a = a;
for (int i = 0; i < 4; ++i)
{
EXPECT_TRUE(&gsl::at(a, i) == &a[static_cast<std::size_t>(i)]);
EXPECT_TRUE(&gsl::at(c_a, i) == &a[static_cast<std::size_t>(i)]);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. std_array";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
EXPECT_DEATH(gsl::at(a, -1), expected);
EXPECT_DEATH(gsl::at(a, 4), expected);
EXPECT_DEATH(gsl::at(c_a, -1), expected);
EXPECT_DEATH(gsl::at(c_a, 4), expected);
}
TEST(at_tests, std_vector)
{
std::vector<int> a = {1, 2, 3, 4};
const std::vector<int>& c_a = a;
for (int i = 0; i < 4; ++i)
{
EXPECT_TRUE(&gsl::at(a, i) == &a[static_cast<std::size_t>(i)]);
EXPECT_TRUE(&gsl::at(c_a, i) == &a[static_cast<std::size_t>(i)]);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. std_vector";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
EXPECT_DEATH(gsl::at(a, -1), expected);
EXPECT_DEATH(gsl::at(a, 4), expected);
EXPECT_DEATH(gsl::at(c_a, -1), expected);
EXPECT_DEATH(gsl::at(c_a, 4), expected);
}
TEST(at_tests, InitializerList)
{
const std::initializer_list<int> a = {1, 2, 3, 4};
for (int i = 0; i < 4; ++i)
{
EXPECT_TRUE(gsl::at(a, i) == i + 1);
EXPECT_TRUE(gsl::at({1, 2, 3, 4}, i) == i + 1);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. InitializerList";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
EXPECT_DEATH(gsl::at(a, -1), expected);
EXPECT_DEATH(gsl::at(a, 4), expected);
EXPECT_DEATH(gsl::at({1, 2, 3, 4}, -1), expected);
EXPECT_DEATH(gsl::at({1, 2, 3, 4}, 4), expected);
}
#if defined(FORCE_STD_SPAN_TESTS) || defined(__cpp_lib_span) && __cpp_lib_span >= 202002L
TEST(at_tests, std_span)
{
std::vector<int> vec{1, 2, 3, 4, 5};
std::span sp{vec};
std::vector<int> cvec{1, 2, 3, 4, 5};
std::span csp{cvec};
for (gsl::index i = 0; i < gsl::narrow_cast<gsl::index>(vec.size()); ++i)
{
EXPECT_TRUE(&gsl::at(sp, i) == &vec[gsl::narrow_cast<size_t>(i)]);
EXPECT_TRUE(&gsl::at(csp, i) == &cvec[gsl::narrow_cast<size_t>(i)]);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. std_span";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
EXPECT_DEATH(gsl::at(sp, -1), expected);
EXPECT_DEATH(gsl::at(sp, gsl::narrow_cast<gsl::index>(sp.size())), expected);
EXPECT_DEATH(gsl::at(csp, -1), expected);
EXPECT_DEATH(gsl::at(csp, gsl::narrow_cast<gsl::index>(sp.size())), expected);
}
#endif // defined(FORCE_STD_SPAN_TESTS) || defined(__cpp_lib_span) && __cpp_lib_span >= 202002L
#if !defined(_MSC_VER) || defined(__clang__) || _MSC_VER >= 1910
static constexpr bool test_constexpr()
{
int a1[4] = {1, 2, 3, 4};
const int(&c_a1)[4] = a1;
std::array<int, 4> a2 = {1, 2, 3, 4};
const std::array<int, 4>& c_a2 = a2;
for (int i = 0; i < 4; ++i)
{
if (&gsl::at(a1, i) != &a1[i]) return false;
if (&gsl::at(c_a1, i) != &a1[i]) return false;
// requires C++17:
// if (&gsl::at(a2, i) != &a2[static_cast<std::size_t>(i)]) return false;
if (&gsl::at(c_a2, i) != &c_a2[static_cast<std::size_t>(i)]) return false;
if (gsl::at({1, 2, 3, 4}, i) != i + 1) return false;
}
return true;
}
static_assert(test_constexpr(), "FAIL");
#endif

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <gtest/gtest.h>
#include <gsl/byte> // for to_byte, to_integer, byte, operator&, ope...
using namespace std;
using namespace gsl;
namespace
{
int modify_both(gsl::byte& b, int& i)
{
i = 10;
b = to_byte<5>();
return i;
}
TEST(byte_tests, construction)
{
{
const byte b = static_cast<byte>(4);
EXPECT_TRUE(static_cast<unsigned char>(b) == 4);
}
{
const byte b = byte(12);
EXPECT_TRUE(static_cast<unsigned char>(b) == 12);
}
{
const byte b = to_byte<12>();
EXPECT_TRUE(static_cast<unsigned char>(b) == 12);
}
{
const unsigned char uc = 12;
const byte b = to_byte(uc);
EXPECT_TRUE(static_cast<unsigned char>(b) == 12);
}
#if defined(__cplusplus) && (__cplusplus >= 201703L)
{
const byte b{14};
EXPECT_TRUE(static_cast<unsigned char>(b) == 14);
}
#endif
#ifdef CONFIRM_COMPILATION_ERRORS
to_byte(char{});
to_byte(3);
to_byte(3u);
#endif
}
TEST(byte_tests, bitwise_operations)
{
const byte b = to_byte<0xFF>();
byte a = to_byte<0x00>();
EXPECT_TRUE((b | a) == to_byte<0xFF>());
EXPECT_TRUE(a == to_byte<0x00>());
a |= b;
EXPECT_TRUE(a == to_byte<0xFF>());
a = to_byte<0x01>();
EXPECT_TRUE((b & a) == to_byte<0x01>());
a &= b;
EXPECT_TRUE(a == to_byte<0x01>());
EXPECT_TRUE((b ^ a) == to_byte<0xFE>());
EXPECT_TRUE(a == to_byte<0x01>());
a ^= b;
EXPECT_TRUE(a == to_byte<0xFE>());
a = to_byte<0x01>();
EXPECT_TRUE(~a == to_byte<0xFE>());
a = to_byte<0xFF>();
EXPECT_TRUE((a << 4) == to_byte<0xF0>());
EXPECT_TRUE((a >> 4) == to_byte<0x0F>());
a <<= 4;
EXPECT_TRUE(a == to_byte<0xF0>());
a >>= 4;
EXPECT_TRUE(a == to_byte<0x0F>());
}
TEST(byte_tests, to_integer)
{
const byte b = to_byte<0x12>();
EXPECT_TRUE(0x12 == gsl::to_integer<char>(b));
EXPECT_TRUE(0x12 == gsl::to_integer<short>(b));
EXPECT_TRUE(0x12 == gsl::to_integer<long>(b));
EXPECT_TRUE(0x12 == gsl::to_integer<long long>(b));
EXPECT_TRUE(0x12 == gsl::to_integer<unsigned char>(b));
EXPECT_TRUE(0x12 == gsl::to_integer<unsigned short>(b));
EXPECT_TRUE(0x12 == gsl::to_integer<unsigned long>(b));
EXPECT_TRUE(0x12 == gsl::to_integer<unsigned long long>(b));
// EXPECT_TRUE(0x12 == gsl::to_integer<float>(b)); // expect compile-time error
// EXPECT_TRUE(0x12 == gsl::to_integer<double>(b)); // expect compile-time error
}
TEST(byte_tests, aliasing)
{
int i{0};
const int res = modify_both(reinterpret_cast<byte&>(i), i);
EXPECT_TRUE(res == i);
}
} // namespace
#ifdef CONFIRM_COMPILATION_ERRORS
copy(src_span_static, dst_span_static);
#endif

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#pragma once
#include <gsl/assert>
constexpr char deathstring[] = "Expected Death";
constexpr char failed_set_terminate_deathstring[] = ".*";
// This prevents a failed call to set_terminate from failing the test suite.
constexpr const char* GetExpectedDeathString(std::terminate_handler handle)
{
return handle ? deathstring : failed_set_terminate_deathstring;
}

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <chrono>
#include <cstdlib> // for std::exit
#include <gsl/span> // for span
#include <iostream>
#include <thread>
int operator_subscript_no_throw() noexcept
{
int arr[10];
const gsl::span<int> sp{arr};
return sp[11];
}
[[noreturn]] void test_terminate() { std::exit(0); }
void setup_termination_handler() noexcept
{
#if defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND)
auto& handler = gsl::details::get_terminate_handler();
handler = &test_terminate;
#else
std::set_terminate(test_terminate);
#endif
}
int main() noexcept
{
std::cout << "Running main() from " __FILE__ "\n";
#if defined(IOS_PROCESS_DELAY_WORKAROUND)
std::this_thread::sleep_for(std::chrono::seconds(1));
#endif
setup_termination_handler();
operator_subscript_no_throw();
return -1;
}

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <gtest/gtest.h>
#include <gsl/pointers> // for not_null, operator<, operator<=, operator>
#include <algorithm> // for addressof
#include <cstdint> // for uint16_t
#include <memory> // for shared_ptr, make_shared, operator<, opera...
#include <sstream> // for operator<<, ostringstream, basic_ostream:...
#include <string> // for basic_string, operator==, string, operator<<
#include <typeinfo> // for type_info
#include <variant> // for variant, monostate, get
#include "deathTestCommon.h"
using namespace gsl;
struct MyBase
{
};
struct MyDerived : public MyBase
{
};
struct Unrelated
{
};
// stand-in for a user-defined ref-counted class
template <typename T>
struct RefCounted
{
RefCounted(T* p) : p_(p) {}
operator T*() { return p_; }
T* p_;
};
// user defined smart pointer with comparison operators returning non bool value
template <typename T>
struct CustomPtr
{
CustomPtr(T* p) : p_(p) {}
operator T*() const { return p_; }
bool operator!=(std::nullptr_t) const { return p_ != nullptr; }
T* p_ = nullptr;
};
template <typename T, typename U>
std::string operator==(CustomPtr<T> const& lhs, CustomPtr<U> const& rhs)
{
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
return reinterpret_cast<const void*>(lhs.p_) == reinterpret_cast<const void*>(rhs.p_) ? "true"
: "false";
}
template <typename T, typename U>
std::string operator!=(CustomPtr<T> const& lhs, CustomPtr<U> const& rhs)
{
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
return reinterpret_cast<const void*>(lhs.p_) != reinterpret_cast<const void*>(rhs.p_) ? "true"
: "false";
}
template <typename T, typename U>
std::string operator<(CustomPtr<T> const& lhs, CustomPtr<U> const& rhs)
{
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
return reinterpret_cast<const void*>(lhs.p_) < reinterpret_cast<const void*>(rhs.p_) ? "true"
: "false";
}
template <typename T, typename U>
std::string operator>(CustomPtr<T> const& lhs, CustomPtr<U> const& rhs)
{
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
return reinterpret_cast<const void*>(lhs.p_) > reinterpret_cast<const void*>(rhs.p_) ? "true"
: "false";
}
template <typename T, typename U>
std::string operator<=(CustomPtr<T> const& lhs, CustomPtr<U> const& rhs)
{
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
return reinterpret_cast<const void*>(lhs.p_) <= reinterpret_cast<const void*>(rhs.p_) ? "true"
: "false";
}
template <typename T, typename U>
std::string operator>=(CustomPtr<T> const& lhs, CustomPtr<U> const& rhs)
{
// clang-format off
GSL_SUPPRESS(type.1) // NO-FORMAT: attribute
// clang-format on
return reinterpret_cast<const void*>(lhs.p_) >= reinterpret_cast<const void*>(rhs.p_) ? "true"
: "false";
}
struct NonCopyableNonMovable
{
NonCopyableNonMovable() = default;
NonCopyableNonMovable(const NonCopyableNonMovable&) = delete;
NonCopyableNonMovable& operator=(const NonCopyableNonMovable&) = delete;
NonCopyableNonMovable(NonCopyableNonMovable&&) = delete;
NonCopyableNonMovable& operator=(NonCopyableNonMovable&&) = delete;
};
namespace
{
// clang-format off
GSL_SUPPRESS(f .4) // NO-FORMAT: attribute
// clang-format on
bool helper(not_null<int*> p) { return *p == 12; }
// clang-format off
GSL_SUPPRESS(f .4) // NO-FORMAT: attribute
// clang-format on
bool helper_const(not_null<const int*> p) { return *p == 12; }
int* return_pointer() { return nullptr; }
} // namespace
TEST(notnull_tests, TestNotNullConstructors)
{
{
#ifdef CONFIRM_COMPILATION_ERRORS
not_null<int*> p = nullptr; // yay...does not compile!
not_null<std::vector<char>*> p1 = 0; // yay...does not compile!
not_null<int*> p2; // yay...does not compile!
std::unique_ptr<int> up = std::make_unique<int>(120);
not_null<int*> p3 = up;
// Forbid non-nullptr assignable types
not_null<std::vector<int>> f(std::vector<int>{1});
not_null<int> z(10);
not_null<std::vector<int>> y({1, 2});
#endif
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. TestNotNullConstructors";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
{
// from shared pointer
int i = 12;
auto rp = RefCounted<int>(&i);
not_null<int*> p(rp);
EXPECT_TRUE(p.get() == &i);
not_null<std::shared_ptr<int>> x(
std::make_shared<int>(10)); // shared_ptr<int> is nullptr assignable
int* pi = nullptr;
EXPECT_DEATH((not_null<decltype(pi)>(pi)), expected);
}
{
// from pointer to local
int t = 42;
not_null<int*> x = &t;
helper(&t);
helper_const(&t);
EXPECT_TRUE(*x == 42);
}
{
// from raw pointer
// from not_null pointer
int t = 42;
int* p = &t;
not_null<int*> x = p;
helper(p);
helper_const(p);
helper(x);
helper_const(x);
EXPECT_TRUE(*x == 42);
}
{
// from raw const pointer
// from not_null const pointer
int t = 42;
const int* cp = &t;
not_null<const int*> x = cp;
helper_const(cp);
helper_const(x);
EXPECT_TRUE(*x == 42);
}
{
// from not_null const pointer, using auto
int t = 42;
const int* cp = &t;
auto x = not_null<const int*>{cp};
EXPECT_TRUE(*x == 42);
}
{
// from returned pointer
EXPECT_DEATH(helper(return_pointer()), expected);
EXPECT_DEATH(helper_const(return_pointer()), expected);
}
}
template <typename T>
void ostream_helper(T v)
{
not_null<T*> p(&v);
{
std::ostringstream os;
std::ostringstream ref;
os << static_cast<void*>(p);
ref << static_cast<void*>(&v);
EXPECT_TRUE(os.str() == ref.str());
}
{
std::ostringstream os;
std::ostringstream ref;
os << *p;
ref << v;
EXPECT_TRUE(os.str() == ref.str());
}
}
TEST(notnull_tests, TestNotNullostream)
{
ostream_helper<int>(17);
ostream_helper<float>(21.5f);
ostream_helper<double>(3.4566e-7);
ostream_helper<char>('c');
ostream_helper<uint16_t>(0x0123u);
ostream_helper<const char*>("cstring");
ostream_helper<std::string>("string");
}
TEST(notnull_tests, TestNotNullCasting)
{
MyBase base;
MyDerived derived;
Unrelated unrelated;
not_null<Unrelated*> u{&unrelated};
(void) u;
not_null<MyDerived*> p{&derived};
not_null<MyBase*> q(&base);
q = p; // allowed with heterogeneous copy ctor
EXPECT_TRUE(q == p);
#ifdef CONFIRM_COMPILATION_ERRORS
q = u; // no viable conversion possible between MyBase* and Unrelated*
p = q; // not possible to implicitly convert MyBase* to MyDerived*
not_null<Unrelated*> r = p;
not_null<Unrelated*> s = reinterpret_cast<Unrelated*>(p);
#endif
not_null<Unrelated*> t(reinterpret_cast<Unrelated*>(p.get()));
EXPECT_TRUE(reinterpret_cast<void*>(p.get()) == reinterpret_cast<void*>(t.get()));
}
TEST(notnull_tests, TestNotNullAssignment)
{
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. TestNotNullAssignmentd";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
int i = 12;
not_null<int*> p(&i);
EXPECT_TRUE(helper(p));
int* q = nullptr;
EXPECT_DEATH(p = not_null<int*>(q), expected);
}
TEST(notnull_tests, TestNotNullRawPointerComparison)
{
int ints[2] = {42, 43};
int* p1 = &ints[0];
const int* p2 = &ints[1];
using NotNull1 = not_null<decltype(p1)>;
using NotNull2 = not_null<decltype(p2)>;
EXPECT_TRUE((NotNull1(p1) == NotNull1(p1)) == true);
EXPECT_TRUE((NotNull1(p1) == NotNull2(p2)) == false);
EXPECT_TRUE((NotNull1(p1) != NotNull1(p1)) == false);
EXPECT_TRUE((NotNull1(p1) != NotNull2(p2)) == true);
EXPECT_TRUE((NotNull1(p1) < NotNull1(p1)) == false);
EXPECT_TRUE((NotNull1(p1) < NotNull2(p2)) == (p1 < p2));
EXPECT_TRUE((NotNull2(p2) < NotNull1(p1)) == (p2 < p1));
EXPECT_TRUE((NotNull1(p1) > NotNull1(p1)) == false);
EXPECT_TRUE((NotNull1(p1) > NotNull2(p2)) == (p1 > p2));
EXPECT_TRUE((NotNull2(p2) > NotNull1(p1)) == (p2 > p1));
EXPECT_TRUE((NotNull1(p1) <= NotNull1(p1)) == true);
EXPECT_TRUE((NotNull1(p1) <= NotNull2(p2)) == (p1 <= p2));
EXPECT_TRUE((NotNull2(p2) <= NotNull1(p1)) == (p2 <= p1));
}
TEST(notnull_tests, TestNotNullDereferenceOperator)
{
{
auto sp1 = std::make_shared<NonCopyableNonMovable>();
using NotNullSp1 = not_null<decltype(sp1)>;
EXPECT_TRUE(typeid(*sp1) == typeid(*NotNullSp1(sp1)));
EXPECT_TRUE(std::addressof(*NotNullSp1(sp1)) == std::addressof(*sp1));
}
{
int ints[1] = {42};
CustomPtr<int> p1(&ints[0]);
using NotNull1 = not_null<decltype(p1)>;
EXPECT_TRUE(typeid(*NotNull1(p1)) == typeid(*p1));
EXPECT_TRUE(*NotNull1(p1) == 42);
*NotNull1(p1) = 43;
EXPECT_TRUE(ints[0] == 43);
}
{
int v = 42;
gsl::not_null<int*> p(&v);
EXPECT_TRUE(typeid(*p) == typeid(*(&v)));
*p = 43;
EXPECT_TRUE(v == 43);
}
}
TEST(notnull_tests, TestNotNullSharedPtrComparison)
{
auto sp1 = std::make_shared<int>(42);
auto sp2 = std::make_shared<const int>(43);
using NotNullSp1 = not_null<decltype(sp1)>;
using NotNullSp2 = not_null<decltype(sp2)>;
EXPECT_TRUE((NotNullSp1(sp1) == NotNullSp1(sp1)) == true);
EXPECT_TRUE((NotNullSp1(sp1) == NotNullSp2(sp2)) == false);
EXPECT_TRUE((NotNullSp1(sp1) != NotNullSp1(sp1)) == false);
EXPECT_TRUE((NotNullSp1(sp1) != NotNullSp2(sp2)) == true);
EXPECT_TRUE((NotNullSp1(sp1) < NotNullSp1(sp1)) == false);
EXPECT_TRUE((NotNullSp1(sp1) < NotNullSp2(sp2)) == (sp1 < sp2));
EXPECT_TRUE((NotNullSp2(sp2) < NotNullSp1(sp1)) == (sp2 < sp1));
EXPECT_TRUE((NotNullSp1(sp1) > NotNullSp1(sp1)) == false);
EXPECT_TRUE((NotNullSp1(sp1) > NotNullSp2(sp2)) == (sp1 > sp2));
EXPECT_TRUE((NotNullSp2(sp2) > NotNullSp1(sp1)) == (sp2 > sp1));
EXPECT_TRUE((NotNullSp1(sp1) <= NotNullSp1(sp1)) == true);
EXPECT_TRUE((NotNullSp1(sp1) <= NotNullSp2(sp2)) == (sp1 <= sp2));
EXPECT_TRUE((NotNullSp2(sp2) <= NotNullSp1(sp1)) == (sp2 <= sp1));
EXPECT_TRUE((NotNullSp1(sp1) >= NotNullSp1(sp1)) == true);
EXPECT_TRUE((NotNullSp1(sp1) >= NotNullSp2(sp2)) == (sp1 >= sp2));
EXPECT_TRUE((NotNullSp2(sp2) >= NotNullSp1(sp1)) == (sp2 >= sp1));
}
TEST(notnull_tests, TestNotNullCustomPtrComparison)
{
int ints[2] = {42, 43};
CustomPtr<int> p1(&ints[0]);
CustomPtr<const int> p2(&ints[1]);
using NotNull1 = not_null<decltype(p1)>;
using NotNull2 = not_null<decltype(p2)>;
EXPECT_TRUE((NotNull1(p1) == NotNull1(p1)) == "true");
EXPECT_TRUE((NotNull1(p1) == NotNull2(p2)) == "false");
EXPECT_TRUE((NotNull1(p1) != NotNull1(p1)) == "false");
EXPECT_TRUE((NotNull1(p1) != NotNull2(p2)) == "true");
EXPECT_TRUE((NotNull1(p1) < NotNull1(p1)) == "false");
EXPECT_TRUE((NotNull1(p1) < NotNull2(p2)) == (p1 < p2));
EXPECT_TRUE((NotNull2(p2) < NotNull1(p1)) == (p2 < p1));
EXPECT_TRUE((NotNull1(p1) > NotNull1(p1)) == "false");
EXPECT_TRUE((NotNull1(p1) > NotNull2(p2)) == (p1 > p2));
EXPECT_TRUE((NotNull2(p2) > NotNull1(p1)) == (p2 > p1));
EXPECT_TRUE((NotNull1(p1) <= NotNull1(p1)) == "true");
EXPECT_TRUE((NotNull1(p1) <= NotNull2(p2)) == (p1 <= p2));
EXPECT_TRUE((NotNull2(p2) <= NotNull1(p1)) == (p2 <= p1));
EXPECT_TRUE((NotNull1(p1) >= NotNull1(p1)) == "true");
EXPECT_TRUE((NotNull1(p1) >= NotNull2(p2)) == (p1 >= p2));
EXPECT_TRUE((NotNull2(p2) >= NotNull1(p1)) == (p2 >= p1));
}
#if defined(__cplusplus) && (__cplusplus >= 201703L)
TEST(notnull_tests, TestNotNullConstructorTypeDeduction)
{
{
int i = 42;
not_null x{&i};
helper(not_null{&i});
helper_const(not_null{&i});
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
not_null x{&i};
#ifdef CONFIRM_COMPILATION_ERRORS
helper(not_null{&i});
#endif
helper_const(not_null{&i});
EXPECT_TRUE(*x == 42);
}
{
int i = 42;
int* p = &i;
not_null x{p};
helper(not_null{p});
helper_const(not_null{p});
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
const int* p = &i;
not_null x{p};
#ifdef CONFIRM_COMPILATION_ERRORS
helper(not_null{p});
#endif
helper_const(not_null{p});
EXPECT_TRUE(*x == 42);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. TestNotNullConstructorTypeDeduction";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
{
auto workaround_macro = []() {
int* p1 = nullptr;
const not_null x{p1};
};
EXPECT_DEATH(workaround_macro(), expected);
}
{
auto workaround_macro = []() {
const int* p1 = nullptr;
const not_null x{p1};
};
EXPECT_DEATH(workaround_macro(), expected);
}
{
int* p = nullptr;
EXPECT_DEATH(helper(not_null{p}), expected);
EXPECT_DEATH(helper_const(not_null{p}), expected);
}
#ifdef CONFIRM_COMPILATION_ERRORS
{
not_null x{nullptr};
helper(not_null{nullptr});
helper_const(not_null{nullptr});
}
#endif
}
TEST(notnull_tests, TestVariantEmplace)
{
int i = 0;
std::variant<std::monostate, not_null<int*>> v;
v.emplace<not_null<int*>>(&i);
EXPECT_FALSE(v.valueless_by_exception());
EXPECT_TRUE(v.index() == 1);
EXPECT_TRUE(std::get<not_null<int*>>(v) == &i);
}
#endif // #if defined(__cplusplus) && (__cplusplus >= 201703L)
TEST(notnull_tests, TestMakeNotNull)
{
{
int i = 42;
const auto x = make_not_null(&i);
helper(make_not_null(&i));
helper_const(make_not_null(&i));
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
const auto x = make_not_null(&i);
#ifdef CONFIRM_COMPILATION_ERRORS
helper(make_not_null(&i));
#endif
helper_const(make_not_null(&i));
EXPECT_TRUE(*x == 42);
}
{
int i = 42;
int* p = &i;
const auto x = make_not_null(p);
helper(make_not_null(p));
helper_const(make_not_null(p));
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
const int* p = &i;
const auto x = make_not_null(p);
#ifdef CONFIRM_COMPILATION_ERRORS
helper(make_not_null(p));
#endif
helper_const(make_not_null(p));
EXPECT_TRUE(*x == 42);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. TestMakeNotNull";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
{
const auto workaround_macro = []() {
int* p1 = nullptr;
const auto x = make_not_null(p1);
EXPECT_TRUE(*x == 42);
};
EXPECT_DEATH(workaround_macro(), expected);
}
{
const auto workaround_macro = []() {
const int* p1 = nullptr;
const auto x = make_not_null(p1);
EXPECT_TRUE(*x == 42);
};
EXPECT_DEATH(workaround_macro(), expected);
}
{
int* p = nullptr;
EXPECT_DEATH(helper(make_not_null(p)), expected);
EXPECT_DEATH(helper_const(make_not_null(p)), expected);
}
#ifdef CONFIRM_COMPILATION_ERRORS
{
EXPECT_DEATH(make_not_null(nullptr), expected);
EXPECT_DEATH(helper(make_not_null(nullptr)), expected);
EXPECT_DEATH(helper_const(make_not_null(nullptr)), expected);
}
#endif
}
TEST(notnull_tests, TestStdHash)
{
{
int x = 42;
int y = 99;
not_null<int*> nn{&x};
const not_null<int*> cnn{&x};
std::hash<not_null<int*>> hash_nn;
std::hash<int*> hash_intptr;
EXPECT_TRUE(hash_nn(nn) == hash_intptr(&x));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(&y));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(nullptr));
}
{
const int x = 42;
const int y = 99;
not_null<const int*> nn{&x};
const not_null<const int*> cnn{&x};
std::hash<not_null<const int*>> hash_nn;
std::hash<const int*> hash_intptr;
EXPECT_TRUE(hash_nn(nn) == hash_intptr(&x));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(&y));
EXPECT_FALSE(hash_nn(nn) == hash_intptr(nullptr));
}
}

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deps/GSL/tests/owner_tests.cpp vendored Normal file
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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <gtest/gtest.h>
#include <gsl/pointers> // for owner
using namespace gsl;
GSL_SUPPRESS(f .23) // NO-FORMAT: attribute
void f(int* i) { *i += 1; }
TEST(owner_tests, basic_test)
{
owner<int*> p = new int(120);
EXPECT_TRUE(*p == 120);
f(p);
EXPECT_TRUE(*p == 121);
delete p;
}
TEST(owner_tests, check_pointer_constraint)
{
#ifdef CONFIRM_COMPILATION_ERRORS
{
owner<int> integerTest = 10;
owner<std::shared_ptr<int>> sharedPtrTest(new int(10));
}
#endif
}

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380
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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <gtest/gtest.h>
#include <gsl/span> // for span and span_ext
#include <gsl/util> // for narrow_cast, at
#include <array> // for array
#include <exception> // for terminate
#include <iostream> // for cerr
#include <vector> // for vector
using namespace std;
using namespace gsl;
#include "deathTestCommon.h"
TEST(span_ext_test, make_span_from_pointer_length_constructor)
{
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. from_pointer_length_constructor";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
int arr[4] = {1, 2, 3, 4};
{
auto s = make_span(&arr[0], 2);
EXPECT_TRUE(s.size() == 2);
EXPECT_TRUE(s.data() == &arr[0]);
EXPECT_TRUE(s[0] == 1);
EXPECT_TRUE(s[1] == 2);
}
{
int* p = nullptr;
auto s = make_span(p, narrow_cast<gsl::span<int>::size_type>(0));
EXPECT_TRUE(s.size() == 0);
EXPECT_TRUE(s.data() == nullptr);
}
{
int* p = nullptr;
auto workaround_macro = [=]() { make_span(p, 2); };
EXPECT_DEATH(workaround_macro(), expected);
}
}
TEST(span_ext_test, make_span_from_pointer_pointer_construction)
{
int arr[4] = {1, 2, 3, 4};
{
auto s = make_span(&arr[0], &arr[2]);
EXPECT_TRUE(s.size() == 2);
EXPECT_TRUE(s.data() == &arr[0]);
EXPECT_TRUE(s[0] == 1);
EXPECT_TRUE(s[1] == 2);
}
{
auto s = make_span(&arr[0], &arr[0]);
EXPECT_TRUE(s.size() == 0);
EXPECT_TRUE(s.data() == &arr[0]);
}
{
int* p = nullptr;
auto s = make_span(p, p);
EXPECT_TRUE(s.size() == 0);
EXPECT_TRUE(s.data() == nullptr);
}
}
TEST(span_ext_test, make_span_from_array_constructor)
{
int arr[5] = {1, 2, 3, 4, 5};
int arr2d[2][3] = {1, 2, 3, 4, 5, 6};
int arr3d[2][3][2] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12};
{
const auto s = make_span(arr);
EXPECT_TRUE(s.size() == 5);
EXPECT_TRUE(s.data() == std::addressof(arr[0]));
}
{
const auto s = make_span(std::addressof(arr2d[0]), 1);
EXPECT_TRUE(s.size() == 1);
EXPECT_TRUE(s.data() == std::addressof(arr2d[0]));
}
{
const auto s = make_span(std::addressof(arr3d[0]), 1);
EXPECT_TRUE(s.size() == 1);
EXPECT_TRUE(s.data() == std::addressof(arr3d[0]));
}
}
TEST(span_ext_test, make_span_from_dynamic_array_constructor)
{
double(*arr)[3][4] = new double[100][3][4];
{
auto s = make_span(&arr[0][0][0], 10);
EXPECT_TRUE(s.size() == 10);
EXPECT_TRUE(s.data() == &arr[0][0][0]);
}
delete[] arr;
}
TEST(span_ext_test, make_span_from_std_array_constructor)
{
std::array<int, 4> arr = {1, 2, 3, 4};
{
auto s = make_span(arr);
EXPECT_TRUE(s.size() == arr.size());
EXPECT_TRUE(s.data() == arr.data());
}
// This test checks for the bug found in gcc 6.1, 6.2, 6.3, 6.4, 6.5 7.1, 7.2, 7.3 - issue #590
{
gsl::span<int> s1 = make_span(arr);
static gsl::span<int> s2;
s2 = s1;
#if defined(__GNUC__) && __GNUC__ == 6 && (__GNUC_MINOR__ == 4 || __GNUC_MINOR__ == 5) && \
__GNUC_PATCHLEVEL__ == 0 && defined(__OPTIMIZE__)
// Known to be broken in gcc 6.4 and 6.5 with optimizations
// Issue in gcc: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83116
EXPECT_TRUE(s1.size() == 4);
EXPECT_TRUE(s2.size() == 0);
#else
EXPECT_TRUE(s1.size() == s2.size());
#endif
}
}
TEST(span_ext_test, make_span_from_const_std_array_constructor)
{
const std::array<int, 4> arr = {1, 2, 3, 4};
{
auto s = make_span(arr);
EXPECT_TRUE(s.size() == arr.size());
EXPECT_TRUE(s.data() == arr.data());
}
}
TEST(span_ext_test, make_span_from_std_array_const_constructor)
{
std::array<const int, 4> arr = {1, 2, 3, 4};
{
auto s = make_span(arr);
EXPECT_TRUE(s.size() == arr.size());
EXPECT_TRUE(s.data() == arr.data());
}
}
TEST(span_ext_test, make_span_from_container_constructor)
{
std::vector<int> v = {1, 2, 3};
const std::vector<int> cv = v;
{
auto s = make_span(v);
EXPECT_TRUE(s.size() == v.size());
EXPECT_TRUE(s.data() == v.data());
auto cs = make_span(cv);
EXPECT_TRUE(cs.size() == cv.size());
EXPECT_TRUE(cs.data() == cv.data());
}
}
TEST(span_test, interop_with_gsl_at)
{
std::vector<int> vec{1, 2, 3, 4, 5};
gsl::span<int> sp{vec};
std::vector<int> cvec{1, 2, 3, 4, 5};
gsl::span<int> csp{cvec};
for (gsl::index i = 0; i < gsl::narrow_cast<gsl::index>(vec.size()); ++i)
{
EXPECT_TRUE(&gsl::at(sp, i) == &vec[gsl::narrow_cast<size_t>(i)]);
EXPECT_TRUE(&gsl::at(csp, i) == &cvec[gsl::narrow_cast<size_t>(i)]);
}
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. interop_with_gsl_at";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
EXPECT_DEATH(gsl::at(sp, -1), expected);
EXPECT_DEATH(gsl::at(sp, gsl::narrow_cast<gsl::index>(sp.size())), expected);
EXPECT_DEATH(gsl::at(csp, -1), expected);
EXPECT_DEATH(gsl::at(csp, gsl::narrow_cast<gsl::index>(sp.size())), expected);
}
TEST(span_ext_test, iterator_free_functions)
{
int a[] = {1, 2, 3, 4};
gsl::span<int> s{a};
EXPECT_TRUE((std::is_same<decltype(s.begin()), decltype(begin(s))>::value));
EXPECT_TRUE((std::is_same<decltype(s.end()), decltype(end(s))>::value));
EXPECT_TRUE((std::is_same<decltype(std::cbegin(s)), decltype(cbegin(s))>::value));
EXPECT_TRUE((std::is_same<decltype(std::cend(s)), decltype(cend(s))>::value));
EXPECT_TRUE((std::is_same<decltype(s.rbegin()), decltype(rbegin(s))>::value));
EXPECT_TRUE((std::is_same<decltype(s.rend()), decltype(rend(s))>::value));
EXPECT_TRUE((std::is_same<decltype(std::crbegin(s)), decltype(crbegin(s))>::value));
EXPECT_TRUE((std::is_same<decltype(std::crend(s)), decltype(crend(s))>::value));
EXPECT_TRUE(s.begin() == begin(s));
EXPECT_TRUE(s.end() == end(s));
EXPECT_TRUE(s.rbegin() == rbegin(s));
EXPECT_TRUE(s.rend() == rend(s));
EXPECT_TRUE(s.begin() == cbegin(s));
EXPECT_TRUE(s.end() == cend(s));
EXPECT_TRUE(s.rbegin() == crbegin(s));
EXPECT_TRUE(s.rend() == crend(s));
}
TEST(span_ext_test, ssize_free_function)
{
int a[] = {1, 2, 3, 4};
gsl::span<int> s{a};
EXPECT_FALSE((std::is_same<decltype(s.size()), decltype(ssize(s))>::value));
EXPECT_TRUE(s.size() == static_cast<std::size_t>(ssize(s)));
}
#ifndef GSL_KERNEL_MODE
TEST(span_ext_test, comparison_operators)
{
{
gsl::span<int> s1;
gsl::span<int> s2;
EXPECT_TRUE(s1 == s2);
EXPECT_FALSE(s1 != s2);
EXPECT_FALSE(s1 < s2);
EXPECT_TRUE(s1 <= s2);
EXPECT_FALSE(s1 > s2);
EXPECT_TRUE(s1 >= s2);
EXPECT_TRUE(s2 == s1);
EXPECT_FALSE(s2 != s1);
EXPECT_FALSE(s2 != s1);
EXPECT_TRUE(s2 <= s1);
EXPECT_FALSE(s2 > s1);
EXPECT_TRUE(s2 >= s1);
}
{
int arr[] = {2, 1};
gsl::span<int> s1 = arr;
gsl::span<int> s2 = arr;
EXPECT_TRUE(s1 == s2);
EXPECT_FALSE(s1 != s2);
EXPECT_FALSE(s1 < s2);
EXPECT_TRUE(s1 <= s2);
EXPECT_FALSE(s1 > s2);
EXPECT_TRUE(s1 >= s2);
EXPECT_TRUE(s2 == s1);
EXPECT_FALSE(s2 != s1);
EXPECT_FALSE(s2 < s1);
EXPECT_TRUE(s2 <= s1);
EXPECT_FALSE(s2 > s1);
EXPECT_TRUE(s2 >= s1);
}
{
int arr[] = {2, 1}; // bigger
gsl::span<int> s1;
gsl::span<int> s2 = arr;
EXPECT_TRUE(s1 != s2);
EXPECT_TRUE(s2 != s1);
EXPECT_FALSE(s1 == s2);
EXPECT_FALSE(s2 == s1);
EXPECT_TRUE(s1 < s2);
EXPECT_FALSE(s2 < s1);
EXPECT_TRUE(s1 <= s2);
EXPECT_FALSE(s2 <= s1);
EXPECT_TRUE(s2 > s1);
EXPECT_FALSE(s1 > s2);
EXPECT_TRUE(s2 >= s1);
EXPECT_FALSE(s1 >= s2);
}
{
int arr1[] = {1, 2};
int arr2[] = {1, 2};
gsl::span<int> s1 = arr1;
gsl::span<int> s2 = arr2;
EXPECT_TRUE(s1 == s2);
EXPECT_FALSE(s1 != s2);
EXPECT_FALSE(s1 < s2);
EXPECT_TRUE(s1 <= s2);
EXPECT_FALSE(s1 > s2);
EXPECT_TRUE(s1 >= s2);
EXPECT_TRUE(s2 == s1);
EXPECT_FALSE(s2 != s1);
EXPECT_FALSE(s2 < s1);
EXPECT_TRUE(s2 <= s1);
EXPECT_FALSE(s2 > s1);
EXPECT_TRUE(s2 >= s1);
}
{
int arr[] = {1, 2, 3};
gsl::span<int> s1 = {&arr[0], 2}; // shorter
gsl::span<int> s2 = arr; // longer
EXPECT_TRUE(s1 != s2);
EXPECT_TRUE(s2 != s1);
EXPECT_FALSE(s1 == s2);
EXPECT_FALSE(s2 == s1);
EXPECT_TRUE(s1 < s2);
EXPECT_FALSE(s2 < s1);
EXPECT_TRUE(s1 <= s2);
EXPECT_FALSE(s2 <= s1);
EXPECT_TRUE(s2 > s1);
EXPECT_FALSE(s1 > s2);
EXPECT_TRUE(s2 >= s1);
EXPECT_FALSE(s1 >= s2);
}
{
int arr1[] = {1, 2}; // smaller
int arr2[] = {2, 1}; // bigger
gsl::span<int> s1 = arr1;
gsl::span<int> s2 = arr2;
EXPECT_TRUE(s1 != s2);
EXPECT_TRUE(s2 != s1);
EXPECT_FALSE(s1 == s2);
EXPECT_FALSE(s2 == s1);
EXPECT_TRUE(s1 < s2);
EXPECT_FALSE(s2 < s1);
EXPECT_TRUE(s1 <= s2);
EXPECT_FALSE(s2 <= s1);
EXPECT_TRUE(s2 > s1);
EXPECT_FALSE(s1 > s2);
EXPECT_TRUE(s2 >= s1);
EXPECT_FALSE(s1 >= s2);
}
}
#endif // GSL_KERNEL_MODE

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <gsl/pointers> // for not_null, operator<, operator<=, operator>
#include <gtest/gtest.h>
#include "deathTestCommon.h"
using namespace gsl;
namespace
{
// clang-format off
GSL_SUPPRESS(f.4) // NO-FORMAT: attribute
// clang-format on
bool helper(not_null<int*> p) { return *p == 12; }
// clang-format off
GSL_SUPPRESS(f.4) // NO-FORMAT: attribute
// clang-format on
bool helper_const(not_null<const int*> p) { return *p == 12; }
// clang-format off
GSL_SUPPRESS(f.4) // NO-FORMAT: attribute
// clang-format on
bool strict_helper(strict_not_null<int*> p) { return *p == 12; }
// clang-format off
GSL_SUPPRESS(f.4) // NO-FORMAT: attribute
// clang-format on
bool strict_helper_const(strict_not_null<const int*> p) { return *p == 12; }
#ifdef CONFIRM_COMPILATION_ERRORS
int* return_pointer() { return nullptr; }
const int* return_pointer_const() { return nullptr; }
#endif
} // namespace
TEST(strict_notnull_tests, TestStrictNotNull)
{
{
// raw ptr <-> strict_not_null
int x = 42;
#ifdef CONFIRM_COMPILATION_ERRORS
strict_not_null<int*> snn = &x;
strict_helper(&x);
strict_helper_const(&x);
strict_helper(return_pointer());
strict_helper_const(return_pointer_const());
#endif
const strict_not_null<int*> snn1{&x};
helper(snn1);
helper_const(snn1);
EXPECT_TRUE(*snn1 == 42);
}
{
// raw ptr <-> strict_not_null
const int x = 42;
#ifdef CONFIRM_COMPILATION_ERRORS
strict_not_null<int*> snn = &x;
strict_helper(&x);
strict_helper_const(&x);
strict_helper(return_pointer());
strict_helper_const(return_pointer_const());
#endif
const strict_not_null<const int*> snn1{&x};
#ifdef CONFIRM_COMPILATION_ERRORS
helper(snn1);
#endif
helper_const(snn1);
EXPECT_TRUE(*snn1 == 42);
}
{
// strict_not_null -> strict_not_null
int x = 42;
strict_not_null<int*> snn1{&x};
const strict_not_null<int*> snn2{&x};
strict_helper(snn1);
strict_helper_const(snn1);
strict_helper_const(snn2);
EXPECT_TRUE(snn1 == snn2);
}
{
// strict_not_null -> strict_not_null
const int x = 42;
strict_not_null<const int*> snn1{&x};
const strict_not_null<const int*> snn2{&x};
#ifdef CONFIRM_COMPILATION_ERRORS
strict_helper(snn1);
#endif
strict_helper_const(snn1);
strict_helper_const(snn2);
EXPECT_TRUE(snn1 == snn2);
}
{
// strict_not_null -> not_null
int x = 42;
strict_not_null<int*> snn{&x};
const not_null<int*> nn1 = snn;
const not_null<int*> nn2{snn};
helper(snn);
helper_const(snn);
EXPECT_TRUE(snn == nn1);
EXPECT_TRUE(snn == nn2);
}
{
// strict_not_null -> not_null
const int x = 42;
strict_not_null<const int*> snn{&x};
const not_null<const int*> nn1 = snn;
const not_null<const int*> nn2{snn};
#ifdef CONFIRM_COMPILATION_ERRORS
helper(snn);
#endif
helper_const(snn);
EXPECT_TRUE(snn == nn1);
EXPECT_TRUE(snn == nn2);
}
{
// not_null -> strict_not_null
int x = 42;
not_null<int*> nn{&x};
const strict_not_null<int*> snn1{nn};
const strict_not_null<int*> snn2{nn};
strict_helper(nn);
strict_helper_const(nn);
EXPECT_TRUE(snn1 == nn);
EXPECT_TRUE(snn2 == nn);
std::hash<strict_not_null<int*>> hash_snn;
std::hash<not_null<int*>> hash_nn;
EXPECT_TRUE(hash_nn(snn1) == hash_nn(nn));
EXPECT_TRUE(hash_snn(snn1) == hash_nn(nn));
EXPECT_TRUE(hash_nn(snn1) == hash_nn(snn2));
EXPECT_TRUE(hash_snn(snn1) == hash_snn(nn));
}
{
// not_null -> strict_not_null
const int x = 42;
not_null<const int*> nn{&x};
const strict_not_null<const int*> snn1{nn};
const strict_not_null<const int*> snn2{nn};
#ifdef CONFIRM_COMPILATION_ERRORS
strict_helper(nn);
#endif
strict_helper_const(nn);
EXPECT_TRUE(snn1 == nn);
EXPECT_TRUE(snn2 == nn);
std::hash<strict_not_null<const int*>> hash_snn;
std::hash<not_null<const int*>> hash_nn;
EXPECT_TRUE(hash_nn(snn1) == hash_nn(nn));
EXPECT_TRUE(hash_snn(snn1) == hash_nn(nn));
EXPECT_TRUE(hash_nn(snn1) == hash_nn(snn2));
EXPECT_TRUE(hash_snn(snn1) == hash_snn(nn));
}
#ifdef CONFIRM_COMPILATION_ERRORS
{
strict_not_null<int*> p{nullptr};
}
#endif
}
#if defined(__cplusplus) && (__cplusplus >= 201703L)
TEST(strict_notnull_tests, TestStrictNotNullConstructorTypeDeduction)
{
const auto terminateHandler = std::set_terminate([] {
std::cerr << "Expected Death. TestStrictNotNullConstructorTypeDeduction";
std::abort();
});
const auto expected = GetExpectedDeathString(terminateHandler);
{
int i = 42;
strict_not_null x{&i};
helper(strict_not_null{&i});
helper_const(strict_not_null{&i});
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
strict_not_null x{&i};
#ifdef CONFIRM_COMPILATION_ERRORS
helper(strict_not_null{&i});
#endif
helper_const(strict_not_null{&i});
EXPECT_TRUE(*x == 42);
}
{
int i = 42;
int* p = &i;
strict_not_null x{p};
helper(strict_not_null{p});
helper_const(strict_not_null{p});
EXPECT_TRUE(*x == 42);
}
{
const int i = 42;
const int* p = &i;
strict_not_null x{p};
#ifdef CONFIRM_COMPILATION_ERRORS
helper(strict_not_null{p});
#endif
helper_const(strict_not_null{p});
EXPECT_TRUE(*x == 42);
}
{
auto workaround_macro = []() {
int* p1 = nullptr;
const strict_not_null x{p1};
};
EXPECT_DEATH(workaround_macro(), expected);
}
{
auto workaround_macro = []() {
const int* p1 = nullptr;
const strict_not_null x{p1};
};
EXPECT_DEATH(workaround_macro(), expected);
}
{
int* p = nullptr;
EXPECT_DEATH(helper(strict_not_null{p}), expected);
EXPECT_DEATH(helper_const(strict_not_null{p}), expected);
}
#ifdef CONFIRM_COMPILATION_ERRORS
{
strict_not_null x{nullptr};
helper(strict_not_null{nullptr});
helper_const(strict_not_null{nullptr});
}
#endif
}
#endif // #if defined(__cplusplus) && (__cplusplus >= 201703L)

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///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
//
// This code is licensed under the MIT License (MIT).
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#include <gtest/gtest.h>
#include <algorithm> // for move
#include <complex>
#include <cstddef> // for std::ptrdiff_t
#include <cstdint> // for uint32_t, int32_t
#include <functional> // for reference_wrapper, _Bind_helper<>::type
#include <gsl/narrow> // for narrow, narrowing_error
#include <gsl/util> // finally, narrow_cast
#include <limits> // for numeric_limits
#include <type_traits> // for is_same
using namespace gsl;
namespace
{
void f(int& i) { i += 1; }
static int j = 0;
void g() { j += 1; }
} // namespace
TEST(utils_tests, sanity_check_for_gsl_index_typedef)
{
static_assert(std::is_same<gsl::index, std::ptrdiff_t>::value,
"gsl::index represents wrong arithmetic type");
}
TEST(utils_tests, finally_lambda)
{
int i = 0;
{
auto _ = finally([&]() { f(i); });
EXPECT_TRUE(i == 0);
}
EXPECT_TRUE(i == 1);
}
TEST(utils_tests, finally_lambda_move)
{
int i = 0;
{
auto _1 = finally([&]() { f(i); });
{
auto _2 = std::move(_1);
EXPECT_TRUE(i == 0);
}
EXPECT_TRUE(i == 1);
{
auto _2 = std::move(_1);
EXPECT_TRUE(i == 1);
}
EXPECT_TRUE(i == 1);
}
EXPECT_TRUE(i == 1);
}
TEST(utils_tests, finally_const_lvalue_lambda)
{
int i = 0;
{
const auto const_lvalue_lambda = [&]() { f(i); };
auto _ = finally(const_lvalue_lambda);
EXPECT_TRUE(i == 0);
}
EXPECT_TRUE(i == 1);
}
TEST(utils_tests, finally_mutable_lvalue_lambda)
{
int i = 0;
{
auto mutable_lvalue_lambda = [&]() { f(i); };
auto _ = finally(mutable_lvalue_lambda);
EXPECT_TRUE(i == 0);
}
EXPECT_TRUE(i == 1);
}
TEST(utils_tests, finally_function_with_bind)
{
int i = 0;
{
auto _ = finally([&i] { return f(i); });
EXPECT_TRUE(i == 0);
}
EXPECT_TRUE(i == 1);
}
TEST(utils_tests, finally_function_ptr)
{
j = 0;
{
auto _ = finally(&g);
EXPECT_TRUE(j == 0);
}
EXPECT_TRUE(j == 1);
}
TEST(utils_tests, finally_function)
{
j = 0;
{
auto _ = finally(g);
EXPECT_TRUE(j == 0);
}
EXPECT_TRUE(j == 1);
}
TEST(utils_tests, narrow_cast)
{
int n = 120;
char c = narrow_cast<char>(n);
EXPECT_TRUE(c == 120);
n = 300;
unsigned char uc = narrow_cast<unsigned char>(n);
EXPECT_TRUE(uc == 44);
}
#ifndef GSL_KERNEL_MODE
TEST(utils_tests, narrow)
{
int n = 120;
const char c = narrow<char>(n);
EXPECT_TRUE(c == 120);
n = 300;
EXPECT_THROW(narrow<char>(n), narrowing_error);
const auto int32_max = std::numeric_limits<int32_t>::max();
const auto int32_min = std::numeric_limits<int32_t>::min();
EXPECT_TRUE(narrow<uint32_t>(int32_t(0)) == 0);
EXPECT_TRUE(narrow<uint32_t>(int32_t(1)) == 1);
EXPECT_TRUE(narrow<uint32_t>(int32_max) == static_cast<uint32_t>(int32_max));
EXPECT_THROW(narrow<uint32_t>(int32_t(-1)), narrowing_error);
EXPECT_THROW(narrow<uint32_t>(int32_min), narrowing_error);
n = -42;
EXPECT_THROW(narrow<unsigned>(n), narrowing_error);
EXPECT_TRUE(
narrow<std::complex<float>>(std::complex<double>(4, 2)) == std::complex<float>(4, 2));
EXPECT_THROW(narrow<std::complex<float>>(std::complex<double>(4.2)), narrowing_error);
EXPECT_TRUE(narrow<int>(float(1)) == 1);
}
#endif // GSL_KERNEL_MODE

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AllowShortBlocksOnASingleLine: Empty
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AllowShortFunctionsOnASingleLine: Empty
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SplitEmptyNamespace: true
BreakBeforeBinaryOperators: None
BreakBeforeBraces: Attach
BreakBeforeConceptDeclarations: Always
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DisableFormat: False
EmptyLineAfterAccessModifier: Never
EmptyLineBeforeAccessModifier: LogicalBlock
ExperimentalAutoDetectBinPacking: false
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PenaltyBreakAssignment: 2
PenaltyBreakBeforeFirstCallParameter: 19
PenaltyBreakComment: 300
PenaltyBreakFirstLessLess: 120
PenaltyBreakOpenParenthesis: 0
PenaltyBreakString: 1000
PenaltyBreakTemplateDeclaration: 10
PenaltyExcessCharacter: 1000000
PenaltyIndentedWhitespace: 0
PenaltyReturnTypeOnItsOwnLine: 60
PointerAlignment: Left
QualifierAlignment: Custom
QualifierOrder: ['inline', 'constexpr', 'static', 'type', 'const', 'volatile']
RawStringFormats:
- Language: TextProto
Delimiters:
- pb
- PB
- proto
- PROTO
EnclosingFunctions:
- EqualsProto
- EquivToProto
- PARSE_PARTIAL_TEXT_PROTO
- PARSE_TEST_PROTO
- PARSE_TEXT_PROTO
- ParseTextOrDie
- ParseTextProtoOrDie
CanonicalDelimiter: ''
BasedOnStyle: google
- Language: JavaScript
Delimiters:
- 'json'
- 'js'
EnclosingFunctions:
- 'json'
BasedOnStyle: google
ReferenceAlignment: Left
ReflowComments: false
RemoveBracesLLVM: false
RequiresClausePosition: OwnLine
SeparateDefinitionBlocks: Leave
ShortNamespaceLines: 1
SortIncludes: Never
SortUsingDeclarations: false
SpaceAfterCStyleCast: true
SpaceAfterLogicalNot: false
SpaceAfterTemplateKeyword: true
SpaceAroundPointerQualifiers: Default
SpaceBeforeAssignmentOperators: true
SpaceBeforeCaseColon: false
SpaceBeforeCpp11BracedList: false
SpaceBeforeCtorInitializerColon: true
SpaceBeforeInheritanceColon: true
SpaceBeforeParensOptions:
AfterControlStatements: true
AfterForeachMacros: true
AfterFunctionDeclarationName: false
AfterFunctionDefinitionName: false
AfterIfMacros: true
AfterOverloadedOperator: false
AfterRequiresInClause: true
BeforeNonEmptyParentheses: false
SpaceBeforeRangeBasedForLoopColon: true
SpaceBeforeSquareBrackets: false
SpaceInEmptyBlock: false
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 1
SpacesInAngles: Never
SpacesInCStyleCastParentheses: false
SpacesInConditionalStatement: false
SpacesInContainerLiterals: false
SpacesInLineCommentPrefix:
Minimum: 1
Maximum: -1
SpacesInParentheses: false
SpacesInSquareBrackets: false
Standard: Latest
StatementAttributeLikeMacros:
- Q_EMIT
StatementMacros:
- Q_UNUSED
- QT_REQUIRE_VERSION
TabWidth: 4
TypenameMacros:
UseCRLF: false
UseTab: Never
WhitespaceSensitiveMacros:
- STRINGIZE
- PP_STRINGIZE
- BOOST_PP_STRINGIZE
- NS_SWIFT_NAME
- CF_SWIFT_NAME

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[*.{cpp,h}]
indent_style = space
indent_size = 4
trim_trailing_whitespace = true
charset = utf-8

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###############################################################################
# Set default behavior to automatically normalize line endings.
###############################################################################
* text=auto
###############################################################################
# Set default behavior for command prompt diff.
#
# This is need for earlier builds of msysgit that does not have it on by
# default for csharp files.
# Note: This is only used by command line
###############################################################################
#*.cs diff=csharp
###############################################################################
# Set the merge driver for project and solution files
#
# Merging from the command prompt will add diff markers to the files if there
# are conflicts (Merging from VS is not affected by the settings below, in VS
# the diff markers are never inserted). Diff markers may cause the following
# file extensions to fail to load in VS. An alternative would be to treat
# these files as binary and thus will always conflict and require user
# intervention with every merge. To do so, just uncomment the entries below
###############################################################################
#*.sln merge=binary
#*.csproj merge=binary
#*.vbproj merge=binary
#*.vcxproj merge=binary
#*.vcproj merge=binary
#*.dbproj merge=binary
#*.fsproj merge=binary
#*.lsproj merge=binary
#*.wixproj merge=binary
#*.modelproj merge=binary
#*.sqlproj merge=binary
#*.wwaproj merge=binary
###############################################################################
# behavior for image files
#
# image files are treated as binary by default.
###############################################################################
#*.jpg binary
#*.png binary
#*.gif binary
###############################################################################
# diff behavior for common document formats
#
# Convert binary document formats to text before diffing them. This feature
# is only available from the command line. Turn it on by uncommenting the
# entries below.
###############################################################################
#*.doc diff=astextplain
#*.DOC diff=astextplain
#*.docx diff=astextplain
#*.DOCX diff=astextplain
#*.dot diff=astextplain
#*.DOT diff=astextplain
#*.pdf diff=astextplain
#*.PDF diff=astextplain
#*.rtf diff=astextplain
#*.RTF diff=astextplain

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patreon: mohabouje
custom: https://paypal.me/mohabouje

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name: Build with CMake
on:
push:
branches: [master]
pull_request:
branches: [master]
env:
BUILD_TYPE: Release
QT_VERSION: 6.6.0
jobs:
build:
strategy:
matrix:
include:
# With Qt examples
- with-qt: true
with-examples: true
# Examples without Qt
- with-qt: false
with-examples: true
# No examples
- with-qt: false
with-examples: false
name: 'Examples: ${{ matrix.with-examples }}, Qt: ${{ matrix.with-qt }}'
runs-on: windows-latest
steps:
- uses: actions/checkout@v3
- name: Enable Developer Command Prompt
uses: ilammy/msvc-dev-cmd@v1.12.1
- name: Install Qt
if: matrix.with-qt
uses: jurplel/install-qt-action@v3.3.0
with:
cache: true
cache-key-prefix: QtCache-${{ env.QT_VERSION }}
version: ${{ env.QT_VERSION }}
- name: Configure CMake
run: >
cmake
-B build
-G Ninja
-DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }}
-DWINTOASTLIB_BUILD_EXAMPLES=${{ matrix.with-examples && 'On' || 'Off' }}
-DWINTOASTLIB_QT_ENABLED=${{ matrix.with-qt && 'On' || 'Off' }}
- name: Build
working-directory: build
run: ninja all

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# Compiled Object files
*.slo
*.lo
*.o
*.obj
# Precompiled Headers
*.gch
*.pch
# Compiled Dynamic libraries
*.so
*.dylib
*.dll
# Fortran module files
*.mod
*.smod
# Compiled Static libraries
*.lai
*.la
*.a
*.lib
# Executables
*.exe
*.out
*.app
*.ipch
*.exp
*.opensdf
# Visual Studio
*.VC.db
*.VC.VC.opendb
.vs/
Debug/
Release/
enc_temp_folder/
/example/qt-gui-example/build-WinToastExample-Desktop_Qt_5_9_2_MSVC2015_32bit-Debug
build/
cmake-build-*
CMakeLists.txt.user

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cmake_minimum_required(VERSION 3.4...3.27)
project(wintoastlib VERSION 1.3.0 LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
option(WINTOASTLIB_BUILD_EXAMPLES "Compile the examples" ON)
option(WINTOASTLIB_QT_ENABLED "Enable Qt support to build the GUI examples" OFF)
set(WINTOASTLIB_LIBNAME WinToast)
set(WINTOASTLIB_HEADERS ${CMAKE_CURRENT_LIST_DIR}/include/wintoastlib.h)
set(WINTOASTLIB_SOURCES ${CMAKE_CURRENT_LIST_DIR}/src/wintoastlib.cpp)
add_library(${WINTOASTLIB_LIBNAME} STATIC ${WINTOASTLIB_HEADERS} ${WINTOASTLIB_SOURCES})
target_include_directories(${WINTOASTLIB_LIBNAME} PUBLIC ${CMAKE_CURRENT_LIST_DIR}/include)
target_link_libraries(${WINTOASTLIB_LIBNAME} psapi)
if (${WINTOASTLIB_BUILD_EXAMPLES})
add_subdirectory(examples)
endif()

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MIT License
Copyright (C) 2016-2023 WinToast v1.3.0 - Mohammed Boujemaoui <mohabouje@gmail.com>
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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![license](https://img.shields.io/github/license/mohabouje/WinToast?style=flat-square)
![GitHub contributors](https://img.shields.io/github/contributors/mohabouje/WinToast?style=flat-square)
![releases](https://img.shields.io/github/v/release/mohabouje/WinToast?style=flat-square)
[![GitHub stars](https://img.shields.io/github/stars/mohabouje/WinToast?style=flat-square)]()
[![GitHub forks](https://img.shields.io/github/forks/mohabouje/WinToast?style=flat-square)]()
[![GitHub watchers](https://img.shields.io/github/watchers/mohabouje/WinToast?style=flat-square)]()
![issues](https://img.shields.io/github/issues/mohabouje/WinToast?style=flat-square)
WinToast
===================
WinToast is a lightly library written in C++ which brings a complete integration of the modern **toast notifications** of **Windows 8**, **Windows 10** and **Windows 11**.
Toast notifications allows your app to inform the users about relevant information and timely events that they should see and take action upon inside your app, such as a new instant message, a new friend request, breaking news, or a calendar event.
- [WinToast](#wintoast)
- [Toast Templates](#toast-templates)
- [Event Handler](#event-handler)
- [Notification Content](#notification-content)
- [Error Handling](#error-handling)
- [Example of Usage](#example-of-usage)
- [Installation](#installation)
- [Toast configuration on Windows 10](#toast-configuration-on-windows-10)
- [Projects using WinToast](#projects-using-wintoast)
## Toast Templates
WinToast integrates all standard templates available in the [ToastTemplateType enumeration](https://msdn.microsoft.com/en-us/library/windows/apps/br208660.aspx).
| Template | Description | Example |
| :------- | ----: | :---: |
| `ImageAndText01` | A large image and a single string wrapped across three lines of text. | ![enter image description here](assets/images/Toast_6.png) |
| `ImageAndText02` | A large image, one string of bold text on the first line, one string of regular text wrapped across the second and third lines. | ![12](assets/images/Toast_7.png) |
| `ImageAndText03` | A large image, one string of bold text wrapped across the first two lines, one string of regular text on the third line. | ![enter image description here](assets/images/Toast_8.png) |
| `ImageAndText04` | A large image, one string of bold text on the first line, one string of regular text on the second line, one string of regular text on the third line. | ![enter image description here](assets/images/ToastImageAndText04.png) |
| `Text01` | Single string wrapped across three lines of text. | ![enter image description here](assets/images/Toast_1.png)|
| `Text02` | One string of bold text on the first line, one string of regular text wrapped across the second and third lines. | ![enter image description here](assets/images/Toast_2.png) |
| `Text03` | One string of bold text wrapped across the first two lines, one string of regular text on the third line. | ![enter image description here](assets/images/Toast_4.png)|
| `Text04` | One string of bold text on the first line, one string of regular text on the second line, one string of regular text on the third line. | ![enter image description here](assets/images/Toast_5.png) |
Example of a `ImageAndText02` template:
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText02);
templ.setTextField(L"title", WinToastTemplate::FirstLine);
templ.setTextField(L"subtitle", WinToastTemplate::SecondLine);
templ.setImagePath(L"C:/example.png");
```
**Note:** The user can use the default system sound or specify a sound to play when a toast notification is displayed. Same behavior for the toast notification image, by default Windows try to use the app icon.*
## Event Handler
WinToast handle different events:
- **Activated**: Occurs when user activates a toast notification through a click or touch. Apps that are running subscribe to this event
- **Dismissed**: Occurs when a toast notification leaves the screen, either by expiring or being explicitly dismissed by the user.
* Application Hidden: The application hid the toast using ToastNotifier.hide.
* User Canceled: The user dismissed the toast.
* Timed Out: The toast has expired
- **Failed**: Occurs when an error is caused when Windows attempts to raise a toast notification.
Create your custom handler to interact with the user actions by subclassing the interface `IWinToastHandler`:
```cpp
class WinToastHandlerExample : public IWinToastHandler {
public:
WinToastHandlerExample();
// Public interfaces
void toastActivated() const override;
void toastDismissed(WinToastDismissalReason state) const override;
void toastFailed() const override;
};
```
## Notification Content
The full documentation of the notification content [here](https://learn.microsoft.com/en-us/windows/apps/design/shell/tiles-and-notifications/adaptive-interactive-toasts?tabs=appsdk).
### Scenario
To create important notifications, alarms, reminders, and incoming call notifications, you simply use a normal app notification with a Scenario value assigned to it. The scenario adjusts a few behaviors to create a consistent and unified user experience. There are four possible Scenario values:
- Reminder
- Alarm
- IncomingCall
- Urgent
### Expiration Time
Set the time after which a toast notification is no longer considered current or valid and should not be displayed. Windows attempts to raise toast notifications immediately after you call Show, so this property is rarely used.
> For Windows 8.x app, this property also causes the toast notification to be removed from the
> Action Center once the specified data and time is reached.
**Note:** Default Windows behavior is to hide notification automatically after time set in Windows Ease of Access Settings.
If you need to preserve notification in Windows Action Center for longer period of time, you have to call `WinToastTemplate::setExpiration` method.
### Hint Crop
Microsoft style guidelines recommend representing profile pictures with a circular image to provide a consistent representation of people across apps and the shell. Set the HintCrop property to Circle to render the image with a circular crop.
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText02);
templ.setTextField(L"Matt sent you a friend request", WinToastTemplate::FirstLine);
templ.setTextField(L"Hey, wanna dress up as wizards and ride around on hoverboards?", WinToastTemplate::SecondLine);
templ.setImagePath(L"C:/example.png");
templ.setHintCrop(WinToastTemplate::Circle);
```
!["Toast with hero image"](assets/images/hint-crop.png)
### Hero Image
The hero image is a large image that appears at the top of a toast notification. The hero image is optional and can be used to provide additional context to the user.
**Note:** The hero image is not supported on Windows 8.1 and Windows Phone 8.1.
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText02);
templ.setTextField(L"Mary Anne", WinToastTemplate::FirstLine);
templ.setTextField(L"Check out where we camped last night!", WinToastTemplate::SecondLine);
templ.setHeroImagePath(L"C:/example.png");
```
!["Toast with hero image"](assets/images/hero-image.png)
The hero image is specified by calling the `WinToastTemplate::setHeroImagePath` method. The image path can be a local file path or a URI.
### Inline Image
The second parameter of the method `WinToastTemplate::setHeroImagePath` is a boolean value that specifies whether the image should be inlined in the toast notification.
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText01);
templ.setTextField(L"Feature image of the day", WinToastTemplate::FirstLine);
templ.setHeroImagePath(L"C:/example.png", true);
```
!["Toast with inlined hero image"](assets/images/inline-image.png)
### Actions
You can add your own actions, this fact allow you to interact with user in a different way:
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText01);
templ.setTextField(L"New product in stock", WinToastTemplate::FirstLine);
std::vector<std::wstring> actions;
actions.push_back(L"See more details");
actions.push_back(L"Remind me later");
// ...
for (auto const &action : actions) {
templ.addAction(action);
}
WinToast::instance()->showToast(templ, handler)
```
!["Toast with some actions"](assets/images/image-actions.png)
### Attribution text
New in Anniversary Update: If you need to reference the source of your content, you can use attribution text. This text is always displayed below any text elements, but above inline images. The text uses a slightly smaller size than standard text elements to help to distinguish from regular text elements.
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::Text02);
templ.setTextField(L"Mary Anne", WinToastTemplate::FirstLine);
templ.setTextField(L"Check out where we camped last night!", WinToastTemplate::SecondLine);
templ.setHeroImagePath(L"C:/example.png");
templ.setAttributionText(L"Via SMS");
```
!["Toast with some actions"](assets/images/attribution-text.png)
### Duration
The amount of time the toast should display. This attribute can have one of the following values:
- *System*: default system configuration.
- *Short*: default system short time configuration.
- *Long*: default system long time configuration.
### Audio Properties
You can modify the different behaviors of the sound:
- *Default*: plays the audio file just one time.
- *Silent*: turn off the sound.
- *Loop*: plays the given sound in a loop during the toast existence.
> WinToast allows the modification of the default audio file. Add
> the given file in to your projects resources (*must be ms-appx:// or
> ms-appdata:// path*) and define it by calling: `WinToastTemplate::setAudioPath`
***By default, WinToast checks if your systems support the features, ignoring the not supported ones.***
## Error Handling
There are several reasons WinToast can fail that's why the library notifies caller about fail reason. Those are the code for each failure:
| WinToastError | Error Code | Error message |
|--|--|--|
| `NoError` | 0x00 | No error. The process was executed correctly |
| `NotInitialized` | 0x01 | The library has not been initialized |
| `SystemNotSupported` | 0x02 | The OS does not support WinToast |
| `ShellLinkNotCreated` | 0x03 | The library was not able to create a Shell Link for the app |
| `InvalidAppUserModelID` | 0x04 | The AUMI is not a valid one |
| `InvalidParameters` | 0x05 | The parameters used to configure the library are not valid normally because an invalid AUMI or App Name |
| `NotDisplayed` | 0x06 | The toast was created correctly but WinToast was not able to display the toast |
| `UnknownError` | 0x07 | Unknown error |
A common example of usage is to check while initializing the library or showing a toast notification the possible failure code:
```cpp
WinToast::WinToastError error;
const auto succedded = WinToast::instance()->initialize(&error);
if (!succedded) {
std::wcout << L"Error, could not initialize the lib. Error number: "
<< error << std::endl;
}
...
// Configure the template
...
const auto toast_id = WinToast::instance()->showToast(templ, handler, &error);
if (toast_id < 0) {
std::wcout << L"Error: Could not launch your toast notification. Error: "
<< error << std::endl;
}
```
## Example of Usage
*For an easy usage, you can just use the available singleton instance.*
First step, Import the header file wintoastlib.h to your project. You should check if your Windows Version is supported by the library.
```cpp
using namespace WinToastLib;
....
if (!WinToast::isCompatible()) {
std::wcout << L"Error, your system in not supported!" << std::endl;
}
```
Configure your [App User Model Id](https://msdn.microsoft.com/en-us/library/windows/desktop/dd378459%28v=vs.85%29.aspx), this can be done by using the existing helper:
```cpp
WinToast::instance()->setAppName(L"WinToastExample");
const auto aumi = WinToast::configureAUMI(L"mohabouje", L"wintoast", L"wintoastexample", L"20161006");
WinToast::instance()->setAppUserModelId(aumi);
```
Initialize all the dependencies and check if WinToast has been initialized successfully in your system:
```cpp
if (!WinToast::instance()->initialize()) {
std::wcout << L"Error, could not initialize the lib!" << std::endl;
}
```
Implement your own action handler by subclassing the interface `IWinToastHandler` and custom your template:
```cpp
WinToastHandlerExample* handler = new WinToastHandlerExample;
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText02);
templ.setImagePath(L"C:/example.png");
templ.setTextField(L"title", WinToastTemplate::FirstLine);
templ.setTextField(L"subtitle", WinToastTemplate::SecondLine);
```
Finally show the results:
```cpp
const auto toast_id = WinToast::instance()->showToast(templ, handler, &error);
if (toast_id < 0) {
std::wcout << L"Error: Could not launch your toast notification!" << std::endl;
}
```
Shao Voon Wong wrote an excellent article about the usage of WinToast. You can find it [here](https://www.codeproject.com/Articles/5286393/Cplusplus-Windows-Toast-Notification).
## Installation
If you are using a package manager, there is a port for [vcpkg](https://github.com/microsoft/vcpkg/). Otherwise, the easiest way is to copy the source files as external dependencies.
## Toast configuration on Windows 10
Windows allows the configuration of the default behavior of a toast notification. This can be done in the *Ease of Access* configuration by modifying the *Other options* tab.
The system configuration helps you to define how long you want notifications to appear for (5 seconds to 5 minutes) as turning on visual notifications for sound.
![Ease of Access configuration](https://camo.githubusercontent.com/56c8edd1a7a4a43be07ba211d9d828478fdbad39/68747470733a2f2f7777772e686f77746f6765656b2e636f6d2f77702d636f6e74656e742f75706c6f6164732f323031362f30332f656173655f6f665f6163636573732e706e67)
## Projects using WinToast
- [Git for Windows](https://github.com/git-for-windows/git): A fork of Git containing Windows-specific patches.
- [Firefox](https://hg.mozilla.org/mozilla-central/file/tip/third_party/WinToast/wintoastlib.cpp): A free and open source web browser.
- [Waterfox](https://github.com/WaterfoxCo/Waterfox): Fast and Private Web Browser
- [QGIS](https://github.com/qgis/QGIS): QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)
- [Synergy Core](https://github.com/symless/synergy-core): Share one mouse and keyboard between multiple computers
- [Siv3D](https://github.com/Siv3D/OpenSiv3D): A C++20 cross-platform library for creative coding
- [MEGAsync](https://github.com/meganz/MEGAsync): Easy automated syncing between your computers and your MEGA Cloud Drive
- [chatterino2](https://github.com/Chatterino/chatterino2): Chat client for twitch.tv
- [nheko](https://github.com/Nheko-Reborn/nheko): Desktop client for the Matrix protocol.
- [EDPathFinder](https://github.com/neotron/EDPathFinder): A program that creates an optimal route that passes through two or more systems in Elite.
- [IW6X-Client](https://github.com/XLabsProject/iw6x-client): IW6x is a free, open-source, community-driven project aiming to recreate the multiplayer experience of Call of Duty: Modern Warfare 3.
- [H1-Mod](https://github.com/h1-mod/h1-mod): A client for Call of Duty: Modern Warfare Remastered.
- [AntiExploit](https://github.com/Empier/Anti-Exploit): antiexploit utility for Windows.
- [Zroya](https://github.com/malja/zroya): Python extension for creating native Windows notifications..
- [PidginWinToastNotifications](https://github.com/ChristianGalla/PidginWinToastNotifications): Windows Toast Notification Plugin for Pidgin.
- [Dnai-Editor](https://github.com/Nicolas-Constanty/Dnai.Editor): Visual Scripting, node editor.
- [Spectral](https://gitlab.com/b0/spectral): A glossy client for Matrix, written in QtQuick Controls 2 and C++.

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WinToast
===================
WinToast is a lightly library written in C++ which brings a complete integration of the modern **toast notifications** of **Windows 8**, **Windows 10** and **Windows 11**.
Toast notifications allows your app to inform the users about relevant information and timely events that they should see and take action upon inside your app, such as a new instant message, a new friend request, breaking news, or a calendar event.
- [WinToast](#wintoast)
- [Toast Templates](#toast-templates)
- [Event Handler](#event-handler)
- [Notification Content](#notification-content)
- [Error Handling](#error-handling)
- [Example of Usage](#example-of-usage)
- [Installation](#installation)
- [Toast configuration on Windows 10](#toast-configuration-on-windows-10)
- [Projects using WinToast](#projects-using-wintoast)
## Toast Templates
WinToast integrates all standard templates available in the [ToastTemplateType enumeration](https://msdn.microsoft.com/en-us/library/windows/apps/br208660.aspx).
| Template | Description | Example |
| :------- | ----: | :---: |
| `ImageAndText01` | A large image and a single string wrapped across three lines of text. | ![enter image description here](assets/images/Toast_6.png) |
| `ImageAndText02` | A large image, one string of bold text on the first line, one string of regular text wrapped across the second and third lines. | ![12](assets/images/Toast_7.png) |
| `ImageAndText03` | A large image, one string of bold text wrapped across the first two lines, one string of regular text on the third line. | ![enter image description here](assets/images/Toast_8.png) |
| `ImageAndText04` | A large image, one string of bold text on the first line, one string of regular text on the second line, one string of regular text on the third line. | ![enter image description here](assets/images/ToastImageAndText04.png) |
| `Text01` | Single string wrapped across three lines of text. | ![enter image description here](assets/images/Toast_1.png)|
| `Text02` | One string of bold text on the first line, one string of regular text wrapped across the second and third lines. | ![enter image description here](assets/images/Toast_2.png) |
| `Text03` | One string of bold text wrapped across the first two lines, one string of regular text on the third line. | ![enter image description here](assets/images/Toast_4.png)|
| `Text04` | One string of bold text on the first line, one string of regular text on the second line, one string of regular text on the third line. | ![enter image description here](assets/images/Toast_5.png) |
Example of a `ImageAndText02` template:
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText02);
templ.setTextField(L"title", WinToastTemplate::FirstLine);
templ.setTextField(L"subtitle", WinToastTemplate::SecondLine);
templ.setImagePath(L"C:/example.png");
```
**Note:** The user can use the default system sound or specify a sound to play when a toast notification is displayed. Same behavior for the toast notification image, by default Windows try to use the app icon.*
## Event Handler
WinToast handle different events:
- **Activated**: Occurs when user activates a toast notification through a click or touch. Apps that are running subscribe to this event
- **Dismissed**: Occurs when a toast notification leaves the screen, either by expiring or being explicitly dismissed by the user.
* Application Hidden: The application hid the toast using ToastNotifier.hide.
* User Canceled: The user dismissed the toast.
* Timed Out: The toast has expired
- **Failed**: Occurs when an error is caused when Windows attempts to raise a toast notification.
Create your custom handler to interact with the user actions by subclassing the interface `IWinToastHandler`:
```cpp
class WinToastHandlerExample : public IWinToastHandler {
public:
WinToastHandlerExample();
// Public interfaces
void toastActivated() const override;
void toastDismissed(WinToastDismissalReason state) const override;
void toastFailed() const override;
};
```
## Notification Content
The full documentation of the notification content [here](https://learn.microsoft.com/en-us/windows/apps/design/shell/tiles-and-notifications/adaptive-interactive-toasts?tabs=appsdk).
### Expiration Time
Set the time after which a toast notification is no longer considered current or valid and should not be displayed. Windows attempts to raise toast notifications immediately after you call Show, so this property is rarely used.
> For Windows 8.x app, this property also causes the toast notification to be removed from the
> Action Center once the specified data and time is reached.
**Note:** Default Windows behavior is to hide notification automatically after time set in Windows Ease of Access Settings.
If you need to preserve notification in Windows Action Center for longer period of time, you have to call `WinToastTemplate::setExpiration` method.
### Hint Crop
Microsoft style guidelines recommend representing profile pictures with a circular image to provide a consistent representation of people across apps and the shell. Set the HintCrop property to Circle to render the image with a circular crop.
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText02);
templ.setTextField(L"Matt sent you a friend request", WinToastTemplate::FirstLine);
templ.setTextField(L"Hey, wanna dress up as wizards and ride around on hoverboards?", WinToastTemplate::SecondLine);
templ.setImagePath(L"C:/example.png");
templ.setHintCrop(WinToastTemplate::Circle);
```
!["Toast with hero image"](assets/images/hint-crop.png)
### Hero Image
The hero image is a large image that appears at the top of a toast notification. The hero image is optional and can be used to provide additional context to the user.
**Note:** The hero image is not supported on Windows 8.1 and Windows Phone 8.1.
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText02);
templ.setTextField(L"Mary Anne", WinToastTemplate::FirstLine);
templ.setTextField(L"Check out where we camped last night!", WinToastTemplate::SecondLine);
templ.setHeroImagePath(L"C:/example.png");
```
!["Toast with hero image"](assets/images/hero-image.png)
The hero image is specified by calling the `WinToastTemplate::setHeroImagePath` method. The image path can be a local file path or a URI.
### Inline Image
The second parameter of the method `WinToastTemplate::setHeroImagePath` is a boolean value that specifies whether the image should be inlined in the toast notification.
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText01);
templ.setTextField(L"Feature image of the day", WinToastTemplate::FirstLine);
templ.setHeroImagePath(L"C:/example.png", true);
```
!["Toast with inlined hero image"](assets/images/inline-image.png)
### Actions
You can add your own actions, this fact allow you to interact with user in a different way:
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText01);
templ.setTextField(L"New product in stock", WinToastTemplate::FirstLine);
std::vector<std::wstring> actions;
actions.push_back(L"See more details");
actions.push_back(L"Remind me later");
// ...
for (auto const &action : actions) {
templ.addAction(action);
}
WinToast::instance()->showToast(templ, handler)
```
!["Toast with some actions"](assets/images/image-actions.png)
### Attribution text
New in Anniversary Update: If you need to reference the source of your content, you can use attribution text. This text is always displayed below any text elements, but above inline images. The text uses a slightly smaller size than standard text elements to help to distinguish from regular text elements.
```cpp
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::Text02);
templ.setTextField(L"Mary Anne", WinToastTemplate::FirstLine);
templ.setTextField(L"Check out where we camped last night!", WinToastTemplate::SecondLine);
templ.setHeroImagePath(L"C:/example.png");
templ.setAttributionText(L"Via SMS");
```
!["Toast with some actions"](assets/images/attribution-text.png)
### Duration
The amount of time the toast should display. This attribute can have one of the following values:
- *System*: default system configuration.
- *Short*: default system short time configuration.
- *Long*: default system long time configuration.
### Audio Properties
You can modify the different behaviors of the sound:
- *Default*: plays the audio file just one time.
- *Silent*: turn off the sound.
- *Loop*: plays the given sound in a loop during the toast existence.
> WinToast allows the modification of the default audio file. Add
> the given file in to your projects resources (*must be ms-appx:// or
> ms-appdata:// path*) and define it by calling: `WinToastTemplate::setAudioPath`
***By default, WinToast checks if your systems support the features, ignoring the not supported ones.***
## Error Handling
There are several reasons WinToast can fail that's why the library notifies caller about fail reason. Those are the code for each failure:
| WinToastError | Error Code | Error message |
|--|--|--|
| `NoError` | 0x00 | No error. The process was executed correctly |
| `NotInitialized` | 0x01 | The library has not been initialized |
| `SystemNotSupported` | 0x02 | The OS does not support WinToast |
| `ShellLinkNotCreated` | 0x03 | The library was not able to create a Shell Link for the app |
| `InvalidAppUserModelID` | 0x04 | The AUMI is not a valid one |
| `InvalidParameters` | 0x05 | The parameters used to configure the library are not valid normally because an invalid AUMI or App Name |
| `NotDisplayed` | 0x06 | The toast was created correctly but WinToast was not able to display the toast |
| `UnknownError` | 0x07 | Unknown error |
A common example of usage is to check while initializing the library or showing a toast notification the possible failure code:
```cpp
WinToast::WinToastError error;
const bool succedded = WinToast::instance()->initialize(&error);
if (!succedded) {
std::wcout << L"Error, could not initialize the lib. Error number: "
<< error << std::endl;
}
...
// Configure the template
...
const bool launched = WinToast::instance()->showToast(templ, handler, &error);
if (!launched) {
std::wcout << L"Error: Could not launch your toast notification. Error: "
<< error << std::endl;
}
```
## Example of Usage
*For an easy usage, you can just use the available singleton instance.*
First step, Import the header file wintoastlib.h to your project. You should check if your Windows Version is supported by the library.
```cpp
using namespace WinToastLib;
....
if (!WinToast::isCompatible()) {
std::wcout << L"Error, your system in not supported!" << std::endl;
}
```
Configure your [App User Model Id](https://msdn.microsoft.com/en-us/library/windows/desktop/dd378459%28v=vs.85%29.aspx), this can be done by using the existing helper:
```cpp
WinToast::instance()->setAppName(L"WinToastExample");
const auto aumi = WinToast::configureAUMI(L"mohabouje", L"wintoast", L"wintoastexample", L"20161006");
WinToast::instance()->setAppUserModelId(aumi);
```
Initialize all the dependencies and check if WinToast has been initialized successfully in your system:
```cpp
if (!WinToast::instance()->initialize()) {
std::wcout << L"Error, could not initialize the lib!" << std::endl;
}
```
Implement your own action handler by subclassing the interface `IWinToastHandler` and custom your template:
```cpp
WinToastHandlerExample* handler = new WinToastHandlerExample;
WinToastTemplate templ = WinToastTemplate(WinToastTemplate::ImageAndText02);
templ.setImagePath(L"C:/example.png");
templ.setTextField(L"title", WinToastTemplate::FirstLine);
templ.setTextField(L"subtitle", WinToastTemplate::SecondLine);
```
Finally show the results:
```cpp
if (!WinToast::instance()->showToast(templ, handler)) {
std::wcout << L"Error: Could not launch your toast notification!" << std::endl;
}
```
Shao Voon Wong wrote an excellent article about the usage of WinToast. You can find it [here](https://www.codeproject.com/Articles/1151733/WinToast-Toast-Notification-Library-for-Windows-10).
## Installation
If you are using a package manager, there is a port for [vcpkg](https://github.com/microsoft/vcpkg/). Otherwise, the easiest way is to copy the source files as external dependencies.
## Toast configuration on Windows 10
Windows allows the configuration of the default behavior of a toast notification. This can be done in the *Ease of Access* configuration by modifying the *Other options* tab.
The system configuration helps you to define how long you want notifications to appear for (5 seconds to 5 minutes) as turning on visual notifications for sound.
![Ease of Access configuration](https://camo.githubusercontent.com/56c8edd1a7a4a43be07ba211d9d828478fdbad39/68747470733a2f2f7777772e686f77746f6765656b2e636f6d2f77702d636f6e74656e742f75706c6f6164732f323031362f30332f656173655f6f665f6163636573732e706e67)
## Projects using WinToast
- [Git for Windows](https://github.com/git-for-windows/git): A fork of Git containing Windows-specific patches.
- [Firefox](https://hg.mozilla.org/mozilla-central/file/tip/third_party/WinToast/wintoastlib.cpp): A free and open source web browser.
- [QGIS](https://github.com/qgis/QGIS): QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)
- [Synergy Core](https://github.com/symless/synergy-core): Share one mouse and keyboard between multiple computers
- [Siv3D](https://github.com/Siv3D/OpenSiv3D): A C++20 cross-platform library for creative coding
- [MEGAsync](https://github.com/meganz/MEGAsync): Easy automated syncing between your computers and your MEGA Cloud Drive
- [chatterino2](https://github.com/Chatterino/chatterino2): Chat client for twitch.tv
- [nheko](https://github.com/Nheko-Reborn/nheko): Desktop client for the Matrix protocol.
- [EDPathFinder](https://github.com/neotron/EDPathFinder): A program that creates an optimal route that passes through two or more systems in Elite.
- [IW6X-Client](https://github.com/XLabsProject/iw6x-client): IW6x is a free, open-source, community-driven project aiming to recreate the multiplayer experience of Call of Duty: Modern Warfare 3.
- [H1-Mod](https://github.com/h1-mod/h1-mod): A client for Call of Duty: Modern Warfare Remastered.
- [AntiExploit](https://github.com/Empier/Anti-Exploit): antiexploit utility for Windows.
- [Zroya](https://github.com/malja/zroya): Python extension for creating native Windows notifications..
- [PidginWinToastNotifications](https://github.com/ChristianGalla/PidginWinToastNotifications): Windows Toast Notification Plugin for Pidgin.
- [Dnai-Editor](https://github.com/Nicolas-Constanty/Dnai.Editor): Visual Scripting, node editor.
- [Spectral](https://gitlab.com/b0/spectral): A glossy client for Matrix, written in QtQuick Controls 2 and C++.

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WinToast Console Example!
===================
WinToast Contole Example [OPTIONS]
--action : Set the actions in buttons
--aumi : Set the App User Model Id
--appname : Set the default appname
--appid : Set the App Id
--expirems : Set the default expiration time
--text : Set the text for the notifications
--image : set the image path
--help : Print the help description
Example:
"WinToast Contole Example.exe" --appname "Yolo" --aumi "My.Console.Example" --image "if_terminal_298878.png" --expirems 10000 --action Yes --action No --text "Do you want to try to take over the world?"

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#include "wintoastlib.h"
#include <string>
#include <windows.h>
using namespace WinToastLib;
class CustomHandler : public IWinToastHandler {
public:
void toastActivated() const {
std::wcout << L"The user clicked in this toast" << std::endl;
exit(0);
}
void toastActivated(int actionIndex) const {
std::wcout << L"The user clicked on action #" << actionIndex << std::endl;
exit(16 + actionIndex);
}
void toastDismissed(WinToastDismissalReason state) const {
switch (state) {
case UserCanceled:
std::wcout << L"The user dismissed this toast" << std::endl;
exit(1);
break;
case TimedOut:
std::wcout << L"The toast has timed out" << std::endl;
exit(2);
break;
case ApplicationHidden:
std::wcout << L"The application hid the toast using ToastNotifier.hide()" << std::endl;
exit(3);
break;
default:
std::wcout << L"Toast not activated" << std::endl;
exit(4);
break;
}
}
void toastFailed() const {
std::wcout << L"Error showing current toast" << std::endl;
exit(5);
}
};
enum Results {
ToastClicked, // user clicked on the toast
ToastDismissed, // user dismissed the toast
ToastTimeOut, // toast timed out
ToastHided, // application hid the toast
ToastNotActivated, // toast was not activated
ToastFailed, // toast failed
SystemNotSupported, // system does not support toasts
UnhandledOption, // unhandled option
MultipleTextNotSupported, // multiple texts were provided
InitializationFailure, // toast notification manager initialization failure
ToastNotLaunched // toast could not be launched
};
#define COMMAND_ACTION L"--action"
#define COMMAND_AUMI L"--aumi"
#define COMMAND_APPNAME L"--appname"
#define COMMAND_APPID L"--appid"
#define COMMAND_EXPIREMS L"--expirems"
#define COMMAND_TEXT L"--text"
#define COMMAND_HELP L"--help"
#define COMMAND_IMAGE L"--image"
#define COMMAND_SHORTCUT L"--only-create-shortcut"
#define COMMAND_AUDIOSTATE L"--audio-state"
#define COMMAND_ATTRIBUTE L"--attribute"
void print_help() {
std::wcout << "WinToast Console Example [OPTIONS]" << std::endl;
std::wcout << "\t" << COMMAND_ACTION << L" : Set the actions in buttons" << std::endl;
std::wcout << "\t" << COMMAND_AUMI << L" : Set the App User Model Id" << std::endl;
std::wcout << "\t" << COMMAND_APPNAME << L" : Set the default appname" << std::endl;
std::wcout << "\t" << COMMAND_APPID << L" : Set the App Id" << std::endl;
std::wcout << "\t" << COMMAND_EXPIREMS << L" : Set the default expiration time" << std::endl;
std::wcout << "\t" << COMMAND_TEXT << L" : Set the text for the notifications" << std::endl;
std::wcout << "\t" << COMMAND_IMAGE << L" : set the image path" << std::endl;
std::wcout << "\t" << COMMAND_ATTRIBUTE << L" : set the attribute for the notification" << std::endl;
std::wcout << "\t" << COMMAND_SHORTCUT << L" : create the shortcut for the app" << std::endl;
std::wcout << "\t" << COMMAND_AUDIOSTATE << L" : set the audio state: Default = 0, Silent = 1, Loop = 2" << std::endl;
std::wcout << "\t" << COMMAND_HELP << L" : Print the help description" << std::endl;
}
int wmain(int argc, LPWSTR* argv) {
if (argc == 1) {
print_help();
return 0;
}
if (!WinToast::isCompatible()) {
std::wcerr << L"Error, your system in not supported!" << std::endl;
return Results::SystemNotSupported;
}
std::wstring appName = L"Console WinToast Example";
std::wstring appUserModelID = L"WinToast Console Example";
std::wstring text = L"";
std::wstring imagePath = L"";
std::wstring attribute = L"default";
std::vector<std::wstring> actions;
INT64 expiration = 0;
bool onlyCreateShortcut = false;
WinToastTemplate::AudioOption audioOption = WinToastTemplate::AudioOption::Default;
int i;
for (i = 1; i < argc; i++) {
if (!wcscmp(COMMAND_IMAGE, argv[i])) {
imagePath = argv[++i];
} else if (!wcscmp(COMMAND_ACTION, argv[i])) {
actions.push_back(argv[++i]);
} else if (!wcscmp(COMMAND_EXPIREMS, argv[i])) {
expiration = wcstol(argv[++i], NULL, 10);
} else if (!wcscmp(COMMAND_APPNAME, argv[i])) {
appName = argv[++i];
} else if (!wcscmp(COMMAND_AUMI, argv[i]) || !wcscmp(COMMAND_APPID, argv[i])) {
appUserModelID = argv[++i];
} else if (!wcscmp(COMMAND_TEXT, argv[i])) {
text = argv[++i];
} else if (!wcscmp(COMMAND_ATTRIBUTE, argv[i])) {
attribute = argv[++i];
} else if (!wcscmp(COMMAND_SHORTCUT, argv[i])) {
onlyCreateShortcut = true;
} else if (!wcscmp(COMMAND_AUDIOSTATE, argv[i])) {
audioOption = static_cast<WinToastTemplate::AudioOption>(std::stoi(argv[++i]));
} else if (!wcscmp(COMMAND_HELP, argv[i])) {
print_help();
return 0;
} else {
std::wcerr << L"Option not recognized: " << argv[i] << std::endl;
return Results::UnhandledOption;
}
}
WinToast::instance()->setAppName(appName);
WinToast::instance()->setAppUserModelId(appUserModelID);
if (onlyCreateShortcut) {
if (!imagePath.empty() || !text.empty() || actions.size() > 0 || expiration) {
std::wcerr << L"--only-create-shortcut does not accept images/text/actions/expiration" << std::endl;
return 9;
}
enum WinToast::ShortcutResult result = WinToast::instance()->createShortcut();
return result ? 16 + result : 0;
}
if (text.empty()) {
text = L"Hello, world!";
}
if (!WinToast::instance()->initialize()) {
std::wcerr << L"Error, your system in not compatible!" << std::endl;
return Results::InitializationFailure;
}
WinToastTemplate templ(!imagePath.empty() ? WinToastTemplate::ImageAndText02 : WinToastTemplate::Text02);
templ.setTextField(text, WinToastTemplate::FirstLine);
templ.setAudioOption(audioOption);
templ.setAttributionText(attribute);
templ.setImagePath(imagePath);
for (auto const& action : actions) {
templ.addAction(action);
}
if (expiration) {
templ.setExpiration(expiration);
}
if (WinToast::instance()->showToast(templ, new CustomHandler()) < 0) {
std::wcerr << L"Could not launch your toast notification!";
return Results::ToastFailed;
}
// Give the handler a chance for 15 seconds (or the expiration plus 1 second)
Sleep(expiration ? (DWORD) expiration + 1000 : 15000);
exit(2);
}

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find_package(Qt6 REQUIRED COMPONENTS Widgets)
qt_standard_project_setup()
add_executable(WinToastGuiExample mainwindow.ui mainwindow.cpp main.cpp)
target_link_libraries(WinToastGuiExample PRIVATE WinToast Qt6::Widgets)
set_target_properties(WinToastGuiExample PROPERTIES WIN32_EXECUTABLE ON)

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#include "mainwindow.h"
#include <QApplication>
int main(int argc, char* argv[]) {
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}

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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>
#include <qfiledialog.h>
#include <qmessagebox.h>
#include "wintoastlib.h"
using namespace WinToastLib;
MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent), ui(new Ui::MainWindow) {
ui->setupUi(this);
ui->toastType->addItem("ImageAndText01", WinToastTemplate::ImageAndText01);
ui->toastType->addItem("ImageAndText02", WinToastTemplate::ImageAndText02);
ui->toastType->addItem("ImageAndText03", WinToastTemplate::ImageAndText03);
ui->toastType->addItem("ImageAndText04", WinToastTemplate::ImageAndText04);
ui->toastType->addItem("Text01", WinToastTemplate::Text01);
ui->toastType->addItem("Text02", WinToastTemplate::Text02);
ui->toastType->addItem("Text03", WinToastTemplate::Text03);
ui->toastType->addItem("Text04", WinToastTemplate::Text04);
ui->audioMode->addItem("Default", WinToastTemplate::AudioOption::Default);
ui->audioMode->addItem("Loop", WinToastTemplate::AudioOption::Loop);
ui->audioMode->addItem("Silence", WinToastTemplate::AudioOption::Silent);
ui->audioSystemFile->addItem("Default", WinToastTemplate::AudioSystemFile::DefaultSound);
ui->audioSystemFile->addItem("Mail", WinToastTemplate::AudioSystemFile::Mail);
ui->audioSystemFile->addItem("SMS", WinToastTemplate::AudioSystemFile::SMS);
ui->audioSystemFile->addItem("Alarm", WinToastTemplate::AudioSystemFile::Alarm);
ui->cropHint->addItem("Square", WinToastTemplate::CropHint::Square);
ui->cropHint->addItem("Circle", WinToastTemplate::CropHint::Circle);
WinToast::instance()->setAppName(L"WinToastExample");
WinToast::instance()->setAppUserModelId(WinToast::configureAUMI(L"mohabouje", L"wintoast", L"wintoastexample", L"20161006"));
if (!WinToast::instance()->initialize()) {
qDebug() << "Error, your system in not compatible!";
}
}
MainWindow::~MainWindow() {
delete ui;
}
void MainWindow::on_imagePathSelector_clicked() {
const QString fileName = QFileDialog::getOpenFileName(this, "Select an image", QDir::currentPath(), "*.png");
if (fileName.isEmpty()) {
return;
}
ui->imagePath->setText(QDir::toNativeSeparators(fileName));
}
void MainWindow::on_heroPathSelector_clicked() {
const QString fileName = QFileDialog::getOpenFileName(this, "Select an image", QDir::currentPath(), "*.png");
if (fileName.isEmpty()) {
return;
}
ui->heroPath->setText(QDir::toNativeSeparators(fileName));
}
class CustomHandler : public IWinToastHandler {
public:
void toastActivated() const {
std::wcout << L"The user clicked in this toast" << std::endl;
}
void toastActivated(int actionIndex) const {
std::wcout << L"The user clicked on button #" << actionIndex << L" in this toast" << std::endl;
}
void toastFailed() const {
std::wcout << L"Error showing current toast" << std::endl;
}
void toastDismissed(WinToastDismissalReason state) const {
switch (state) {
case UserCanceled:
std::wcout << L"The user dismissed this toast" << std::endl;
break;
case ApplicationHidden:
std::wcout << L"The application hid the toast using ToastNotifier.hide()" << std::endl;
break;
case TimedOut:
std::wcout << L"The toast has timed out" << std::endl;
break;
default:
std::wcout << L"Toast not activated" << std::endl;
break;
}
}
};
void MainWindow::on_showToast_clicked() {
auto const type = static_cast<WinToastTemplate::WinToastTemplateType>(ui->toastType->currentData().toInt());
WinToastTemplate templ = WinToastTemplate(type);
templ.setImagePath(ui->imagePath->text().toStdWString(), static_cast<WinToastTemplate::CropHint>(ui->cropHint->currentData().toInt()));
templ.setHeroImagePath(ui->heroPath->text().toStdWString(), ui->inlineHeroImage->isChecked());
templ.setTextField(ui->firstLine->text().toStdWString(), WinToastTemplate::FirstLine);
templ.setTextField(ui->secondLine->text().toStdWString(), WinToastTemplate::SecondLine);
templ.setTextField(ui->thirdLine->text().toStdWString(), WinToastTemplate::ThirdLine);
templ.setExpiration(ui->spinBox->value() * 1000);
templ.setAudioPath(static_cast<WinToastTemplate::AudioSystemFile>(ui->audioSystemFile->currentData().toInt()));
templ.setAudioOption(static_cast<WinToastTemplate::AudioOption>(ui->audioMode->currentData().toInt()));
if (ui->addYes->isChecked()) {
templ.addAction(L"Yes");
}
if (ui->addNo->isChecked()) {
templ.addAction(L"No");
}
if (WinToast::instance()->showToast(templ, new CustomHandler()) < 0) {
QMessageBox::warning(this, "Error", "Could not launch your toast notification!");
}
}

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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow {
Q_OBJECT
public:
explicit MainWindow(QWidget* parent = 0);
~MainWindow();
private slots:
void on_imagePathSelector_clicked();
void on_showToast_clicked();
void on_heroPathSelector_clicked();
private:
Ui::MainWindow* ui;
};
#endif // MAINWINDOW_H

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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainWindow</class>
<widget class="QMainWindow" name="MainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>670</width>
<height>353</height>
</rect>
</property>
<property name="windowTitle">
<string>WinToast Example</string>
</property>
<widget class="QWidget" name="centralWidget">
<layout class="QGridLayout" name="gridLayout">
<item row="11" column="0">
<widget class="QSpinBox" name="spinBox">
<property name="maximum">
<number>10</number>
</property>
<property name="singleStep">
<number>2</number>
</property>
</widget>
</item>
<item row="1" column="0">
<widget class="QLabel" name="label_9">
<property name="text">
<string>Toast Type</string>
</property>
</widget>
</item>
<item row="2" column="0">
<widget class="QLabel" name="label">
<property name="text">
<string>First Line</string>
</property>
</widget>
</item>
<item row="6" column="0">
<widget class="QLabel" name="label_10">
<property name="text">
<string>Hero Path</string>
</property>
</widget>
</item>
<item row="4" column="2">
<widget class="QLineEdit" name="thirdLine"/>
</item>
<item row="9" column="2">
<widget class="QComboBox" name="audioMode"/>
</item>
<item row="5" column="2">
<widget class="QWidget" name="widget" native="true">
<property name="sizePolicy">
<sizepolicy hsizetype="Preferred" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<layout class="QHBoxLayout" name="horizontalLayout">
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QLabel" name="imagePath">
<property name="sizePolicy">
<sizepolicy hsizetype="Expanding" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string/>
</property>
</widget>
</item>
<item>
<widget class="QToolButton" name="imagePathSelector">
<property name="text">
<string>...</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item row="9" column="0">
<widget class="QLabel" name="label_6">
<property name="text">
<string>Audio Mode</string>
</property>
</widget>
</item>
<item row="14" column="0">
<widget class="QCheckBox" name="addNo">
<property name="text">
<string>Add No Action</string>
</property>
</widget>
</item>
<item row="11" column="1">
<widget class="QLabel" name="label_4">
<property name="text">
<string>Expiration time (secs)</string>
</property>
</widget>
</item>
<item row="15" column="2">
<widget class="QWidget" name="widget_2" native="true">
<layout class="QHBoxLayout" name="horizontalLayout_2">
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QPushButton" name="showToast">
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="text">
<string>Show Toast</string>
</property>
</widget>
</item>
</layout>
</widget>
</item>
<item row="8" column="2">
<widget class="QComboBox" name="audioSystemFile"/>
</item>
<item row="3" column="0">
<widget class="QLabel" name="label_2">
<property name="text">
<string>Second Line</string>
</property>
</widget>
</item>
<item row="3" column="2">
<widget class="QLineEdit" name="secondLine"/>
</item>
<item row="13" column="0">
<widget class="QCheckBox" name="addYes">
<property name="text">
<string>Add Yes Action</string>
</property>
</widget>
</item>
<item row="8" column="0">
<widget class="QLabel" name="label_5">
<property name="text">
<string>Audio System File</string>
</property>
</widget>
</item>
<item row="2" column="2">
<widget class="QLineEdit" name="firstLine"/>
</item>
<item row="5" column="0">
<widget class="QLabel" name="label_3">
<property name="text">
<string>Image Path</string>
</property>
</widget>
</item>
<item row="7" column="2">
<widget class="QComboBox" name="cropHint"/>
</item>
<item row="4" column="0">
<widget class="QLabel" name="label_8">
<property name="text">
<string>Third Line</string>
</property>
</widget>
</item>
<item row="1" column="2">
<widget class="QComboBox" name="toastType"/>
</item>
<item row="7" column="0">
<widget class="QLabel" name="label_7">
<property name="text">
<string>Crop Hint</string>
</property>
</widget>
</item>
<item row="6" column="2">
<layout class="QHBoxLayout" name="horizontalLayout_3">
<item>
<widget class="QLabel" name="heroPath">
<property name="text">
<string/>
</property>
</widget>
</item>
<item>
<widget class="QToolButton" name="heroPathSelector">
<property name="text">
<string>...</string>
</property>
</widget>
</item>
</layout>
</item>
<item row="12" column="0">
<widget class="QCheckBox" name="inlineHeroImage">
<property name="text">
<string>Inline Hero Image</string>
</property>
</widget>
</item>
</layout>
</widget>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources/>
<connections/>
</ui>

310
deps/WinToast/include/wintoastlib.h vendored Normal file
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/**
* MIT License
*
* Copyright (C) 2016-2023 WinToast v1.3.0 - Mohammed Boujemaoui <mohabouje@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef WINTOASTLIB_H
#define WINTOASTLIB_H
#include <Windows.h>
#include <sdkddkver.h>
#include <WinUser.h>
#include <ShObjIdl.h>
#include <wrl/implements.h>
#include <wrl/event.h>
#include <windows.ui.notifications.h>
#include <strsafe.h>
#include <Psapi.h>
#include <ShlObj.h>
#include <roapi.h>
#include <propvarutil.h>
#include <functiondiscoverykeys.h>
#include <iostream>
#include <winstring.h>
#include <string.h>
#include <vector>
#include <map>
#include <memory>
using namespace Microsoft::WRL;
using namespace ABI::Windows::Data::Xml::Dom;
using namespace ABI::Windows::Foundation;
using namespace ABI::Windows::UI::Notifications;
using namespace Windows::Foundation;
namespace WinToastLib {
class IWinToastHandler {
public:
enum WinToastDismissalReason {
UserCanceled = ToastDismissalReason::ToastDismissalReason_UserCanceled,
ApplicationHidden = ToastDismissalReason::ToastDismissalReason_ApplicationHidden,
TimedOut = ToastDismissalReason::ToastDismissalReason_TimedOut
};
virtual ~IWinToastHandler() = default;
virtual void toastActivated() const = 0;
virtual void toastActivated(int actionIndex) const = 0;
virtual void toastDismissed(WinToastDismissalReason state) const = 0;
virtual void toastFailed() const = 0;
};
class WinToastTemplate {
public:
enum class Scenario { Default, Alarm, IncomingCall, Reminder };
enum Duration { System, Short, Long };
enum AudioOption { Default = 0, Silent, Loop };
enum TextField { FirstLine = 0, SecondLine, ThirdLine };
enum WinToastTemplateType {
ImageAndText01 = ToastTemplateType::ToastTemplateType_ToastImageAndText01,
ImageAndText02 = ToastTemplateType::ToastTemplateType_ToastImageAndText02,
ImageAndText03 = ToastTemplateType::ToastTemplateType_ToastImageAndText03,
ImageAndText04 = ToastTemplateType::ToastTemplateType_ToastImageAndText04,
Text01 = ToastTemplateType::ToastTemplateType_ToastText01,
Text02 = ToastTemplateType::ToastTemplateType_ToastText02,
Text03 = ToastTemplateType::ToastTemplateType_ToastText03,
Text04 = ToastTemplateType::ToastTemplateType_ToastText04
};
enum AudioSystemFile {
DefaultSound,
IM,
Mail,
Reminder,
SMS,
Alarm,
Alarm2,
Alarm3,
Alarm4,
Alarm5,
Alarm6,
Alarm7,
Alarm8,
Alarm9,
Alarm10,
Call,
Call1,
Call2,
Call3,
Call4,
Call5,
Call6,
Call7,
Call8,
Call9,
Call10,
};
enum CropHint {
Square,
Circle,
};
WinToastTemplate(_In_ WinToastTemplateType type = WinToastTemplateType::ImageAndText02);
~WinToastTemplate();
void setFirstLine(_In_ std::wstring const& text);
void setSecondLine(_In_ std::wstring const& text);
void setThirdLine(_In_ std::wstring const& text);
void setTextField(_In_ std::wstring const& txt, _In_ TextField pos);
void setAttributionText(_In_ std::wstring const& attributionText);
void setImagePath(_In_ std::wstring const& imgPath, _In_ CropHint cropHint = CropHint::Square);
void setHeroImagePath(_In_ std::wstring const& imgPath, _In_ bool inlineImage = false);
void setAudioPath(_In_ WinToastTemplate::AudioSystemFile audio);
void setAudioPath(_In_ std::wstring const& audioPath);
void setAudioOption(_In_ WinToastTemplate::AudioOption audioOption);
void setDuration(_In_ Duration duration);
void setExpiration(_In_ INT64 millisecondsFromNow);
void setScenario(_In_ Scenario scenario);
void addAction(_In_ std::wstring const& label);
std::size_t textFieldsCount() const;
std::size_t actionsCount() const;
bool hasImage() const;
bool hasHeroImage() const;
std::vector<std::wstring> const& textFields() const;
std::wstring const& textField(_In_ TextField pos) const;
std::wstring const& actionLabel(_In_ std::size_t pos) const;
std::wstring const& imagePath() const;
std::wstring const& heroImagePath() const;
std::wstring const& audioPath() const;
std::wstring const& attributionText() const;
std::wstring const& scenario() const;
INT64 expiration() const;
WinToastTemplateType type() const;
WinToastTemplate::AudioOption audioOption() const;
Duration duration() const;
bool isToastGeneric() const;
bool isInlineHeroImage() const;
bool isCropHintCircle() const;
private:
std::vector<std::wstring> _textFields{};
std::vector<std::wstring> _actions{};
std::wstring _imagePath{};
std::wstring _heroImagePath{};
bool _inlineHeroImage{false};
std::wstring _audioPath{};
std::wstring _attributionText{};
std::wstring _scenario{L"Default"};
INT64 _expiration{0};
AudioOption _audioOption{WinToastTemplate::AudioOption::Default};
WinToastTemplateType _type{WinToastTemplateType::Text01};
Duration _duration{Duration::System};
CropHint _cropHint{CropHint::Square};
};
class WinToast {
public:
enum WinToastError {
NoError = 0,
NotInitialized,
SystemNotSupported,
ShellLinkNotCreated,
InvalidAppUserModelID,
InvalidParameters,
InvalidHandler,
NotDisplayed,
UnknownError
};
enum ShortcutResult {
SHORTCUT_UNCHANGED = 0,
SHORTCUT_WAS_CHANGED = 1,
SHORTCUT_WAS_CREATED = 2,
SHORTCUT_MISSING_PARAMETERS = -1,
SHORTCUT_INCOMPATIBLE_OS = -2,
SHORTCUT_COM_INIT_FAILURE = -3,
SHORTCUT_CREATE_FAILED = -4
};
enum ShortcutPolicy {
/* Don't check, create, or modify a shortcut. */
SHORTCUT_POLICY_IGNORE = 0,
/* Require a shortcut with matching AUMI, don't create or modify an existing one. */
SHORTCUT_POLICY_REQUIRE_NO_CREATE = 1,
/* Require a shortcut with matching AUMI, create if missing, modify if not matching. This is the default. */
SHORTCUT_POLICY_REQUIRE_CREATE = 2,
};
WinToast(void);
virtual ~WinToast();
static WinToast* instance();
static bool isCompatible();
static bool isSupportingModernFeatures();
static bool isWin10AnniversaryOrHigher();
static std::wstring configureAUMI(_In_ std::wstring const& companyName, _In_ std::wstring const& productName,
_In_ std::wstring const& subProduct = std::wstring(),
_In_ std::wstring const& versionInformation = std::wstring());
static std::wstring const& strerror(_In_ WinToastError error);
virtual bool initialize(_Out_opt_ WinToastError* error = nullptr);
virtual bool isInitialized() const;
virtual bool hideToast(_In_ INT64 id);
virtual INT64 showToast(_In_ WinToastTemplate const& toast, _In_ IWinToastHandler* eventHandler,
_Out_opt_ WinToastError* error = nullptr);
virtual void clear();
virtual enum ShortcutResult createShortcut();
std::wstring const& appName() const;
std::wstring const& appUserModelId() const;
void setAppUserModelId(_In_ std::wstring const& aumi);
void setAppName(_In_ std::wstring const& appName);
void setShortcutPolicy(_In_ ShortcutPolicy policy);
protected:
struct NotifyData {
NotifyData(){};
NotifyData(_In_ ComPtr<IToastNotification> notify, _In_ EventRegistrationToken activatedToken,
_In_ EventRegistrationToken dismissedToken, _In_ EventRegistrationToken failedToken) :
_notify(notify), _activatedToken(activatedToken), _dismissedToken(dismissedToken), _failedToken(failedToken) {}
~NotifyData() {
RemoveTokens();
}
void RemoveTokens() {
if (!_readyForDeletion) {
return;
}
if (_previouslyTokenRemoved) {
return;
}
if (!_notify.Get()) {
return;
}
_notify->remove_Activated(_activatedToken);
_notify->remove_Dismissed(_dismissedToken);
_notify->remove_Failed(_failedToken);
_previouslyTokenRemoved = true;
}
void markAsReadyForDeletion() {
_readyForDeletion = true;
}
bool isReadyForDeletion() const {
return _readyForDeletion;
}
IToastNotification* notification() {
return _notify.Get();
}
private:
ComPtr<IToastNotification> _notify{nullptr};
EventRegistrationToken _activatedToken{};
EventRegistrationToken _dismissedToken{};
EventRegistrationToken _failedToken{};
bool _readyForDeletion{false};
bool _previouslyTokenRemoved{false};
};
bool _isInitialized{false};
bool _hasCoInitialized{false};
ShortcutPolicy _shortcutPolicy{SHORTCUT_POLICY_REQUIRE_CREATE};
std::wstring _appName{};
std::wstring _aumi{};
std::map<INT64, NotifyData> _buffer{};
void markAsReadyForDeletion(_In_ INT64 id);
HRESULT validateShellLinkHelper(_Out_ bool& wasChanged);
HRESULT createShellLinkHelper();
HRESULT setImageFieldHelper(_In_ IXmlDocument* xml, _In_ std::wstring const& path, _In_ bool isToastGeneric, bool isCropHintCircle);
HRESULT setHeroImageHelper(_In_ IXmlDocument* xml, _In_ std::wstring const& path, _In_ bool isInlineImage);
HRESULT setBindToastGenericHelper(_In_ IXmlDocument* xml);
HRESULT
setAudioFieldHelper(_In_ IXmlDocument* xml, _In_ std::wstring const& path,
_In_opt_ WinToastTemplate::AudioOption option = WinToastTemplate::AudioOption::Default);
HRESULT setTextFieldHelper(_In_ IXmlDocument* xml, _In_ std::wstring const& text, _In_ UINT32 pos);
HRESULT setAttributionTextFieldHelper(_In_ IXmlDocument* xml, _In_ std::wstring const& text);
HRESULT addActionHelper(_In_ IXmlDocument* xml, _In_ std::wstring const& action, _In_ std::wstring const& arguments);
HRESULT addDurationHelper(_In_ IXmlDocument* xml, _In_ std::wstring const& duration);
HRESULT addScenarioHelper(_In_ IXmlDocument* xml, _In_ std::wstring const& scenario);
ComPtr<IToastNotifier> notifier(_In_ bool* succeded) const;
void setError(_Out_opt_ WinToastError* error, _In_ WinToastError value);
};
} // namespace WinToastLib
#endif // WINTOASTLIB_H

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# Feature Request
Planned features for each specific version
## Version 1.4.0
- Fire notifications from non-admin accounts in elevated context [#54](https://github.com/mohabouje/WinToast/issues/54)
- Fire notifications from the ActionCenter [#35](https://github.com/mohabouje/WinToast/issues/35)
- Adding the ability to reuse the AUMID of the current process [#80](https://github.com/mohabouje/WinToast/issues/80)
- Change the arguments of specific actions (Buttons) [#72](https://github.com/mohabouje/WinToast/issues/72)
- Support for Input Text (LineEdit) [#42](https://github.com/mohabouje/WinToast/issues/42)
- Support for Input Selection (Combobox)
- Support for ProgressBar [#42](https://github.com/mohabouje/WinToast/issues/42)
- Support for Scheduling notifications at specific times [[#66](https://github.com/mohabouje/WinToast/issues/66)

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deps/asmjit vendored

@ -1 +0,0 @@
Subproject commit 118ae6ced160f68dd142a0d758aa7efb4356196a

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# Editor configuration, see https://editorconfig.org for more details.
root = true
[*.{cpp,h,natvis}]
charset = utf-8
end_of_line = lf
indent_style = space
indent_size = 2
insert_final_newline = true
trim_trailing_whitespace = true

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github: kobalicek

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{
"diagnostics": {
"asan": { "definitions": ["ASMJIT_SANITIZE=address"] },
"ubsan": { "definitions": ["ASMJIT_SANITIZE=undefined"] },
"msan": { "definitions": ["ASMJIT_SANITIZE=memory"] }
},
"valgrind_arguments": [
"--leak-check=full",
"--show-reachable=yes",
"--track-origins=yes"
],
"tests": [
{
"cmd": ["asmjit_test_unit", "--quick"],
"optional": true
},
{
"cmd": ["asmjit_test_assembler"],
"optional": true
},
{
"cmd": ["asmjit_test_assembler", "--validate"],
"optional": true
},
{
"cmd": ["asmjit_test_emitters"],
"optional": true
},
{
"cmd": ["asmjit_test_compiler"],
"optional": true
},
{
"cmd": ["asmjit_test_instinfo"],
"optional": true
},
{
"cmd": ["asmjit_test_x86_sections"],
"optional": true
},
{
"cmd": ["asmjit_test_perf", "--quick"],
"optional": true
}
]
}

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name: "Build"
on:
push:
pull_request:
defaults:
run:
shell: bash
jobs:
source-check:
name: "source check"
runs-on: ubuntu-latest
steps:
- name: "Checkout"
uses: actions/checkout@v3
- name: "Setup node.js"
uses: actions/setup-node@v3
with:
node-version: "16"
- name: "Check Enumerations"
run: |
cd tools
node enumgen.js --verify
build:
strategy:
fail-fast: false
matrix:
include:
- { title: "linux-lib" , host: "ubuntu-latest" , arch: "x64" , cc: "clang" , conf: "Debug" }
- { title: "macos-lib" , host: "macos-latest" , arch: "x64" , cc: "clang" , conf: "Debug" }
- { title: "windows-lib" , host: "windows-latest", arch: "x64" , cc: "vs2022" , conf: "Debug" }
- { title: "diag-analyze" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Debug" , diagnostics: "analyze-build" }
- { title: "diag-asan" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", diagnostics: "asan", defs: "ASMJIT_TEST=1" }
- { title: "diag-msan" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", diagnostics: "msan", defs: "ASMJIT_TEST=1" }
- { title: "diag-ubsan" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", diagnostics: "ubsan", defs: "ASMJIT_TEST=1" }
- { title: "diag-valgrind" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", diagnostics: "valgrind", defs: "ASMJIT_TEST=1" }
- { title: "no-deprecated" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_DEPRECATED=1" }
- { title: "no-intrinsics" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_INTRINSICS=1" }
- { title: "no-logging" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_LOGGING=1" }
- { title: "no-logging-text" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_LOGGING=1,ASMJIT_NO_TEXT=1" }
- { title: "no-builder" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_BUILDER=1" }
- { title: "no-compiler" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_COMPILER=1" }
- { title: "no-introspection", host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_COMPILER=1,ASMJIT_NO_INTROSPECTION=1" }
- { title: "no-jit" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_JIT=1" }
- { title: "no-validation" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_VALIDATION=1" }
- { title: "no-x86" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_X86=1" }
- { title: "no-aarch64" , host: "ubuntu-latest" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1,ASMJIT_NO_AARCH64=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x86" , cc: "gcc-7" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x86" , cc: "gcc-7" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x64" , cc: "gcc-7" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x64" , cc: "gcc-7" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x86" , cc: "gcc-8" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x86" , cc: "gcc-8" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x64" , cc: "gcc-8" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x64" , cc: "gcc-8" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-9" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-9" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-9" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-9" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-10" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-10" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-10" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-10" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-11" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-11" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-11" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-11" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-12" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-12" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-12" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-12" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-13" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "gcc-13" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-13" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "gcc-13" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x86" , cc: "clang-10", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x86" , cc: "clang-10", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x64" , cc: "clang-10", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-20.04" , arch: "x64" , cc: "clang-10", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-11", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-11", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-11", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-11", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-12", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-12", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-12", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-12", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-13", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-13", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-13", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-13", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-14", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-14", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-14", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-14", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-15", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-15", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-15", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-15", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-16", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-16", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-16", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-16", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-17", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x86" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-17", conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "linux" , host: "ubuntu-22.04" , arch: "x64" , cc: "clang-17", conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "macos" , host: "macos-12" , arch: "x64" , cc: "gcc-11" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "macos" , host: "macos-12" , arch: "x64" , cc: "gcc-11" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "macos" , host: "macos-12" , arch: "x64" , cc: "clang" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "macos" , host: "macos-12" , arch: "x64" , cc: "clang" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "windows" , host: "windows-2019" , arch: "x86" , cc: "vs2019" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "windows" , host: "windows-2019" , arch: "x86" , cc: "vs2019" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "windows" , host: "windows-2019" , arch: "x64" , cc: "vs2019" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "windows" , host: "windows-2019" , arch: "x64" , cc: "vs2019" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "windows" , host: "windows-2022" , arch: "x86" , cc: "vs2022" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "windows" , host: "windows-2022" , arch: "x86" , cc: "vs2022" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "windows" , host: "windows-2022" , arch: "x64" , cc: "vs2022" , conf: "Debug" , defs: "ASMJIT_TEST=1" }
- { title: "windows" , host: "windows-2022" , arch: "x64" , cc: "vs2022" , conf: "Release", defs: "ASMJIT_TEST=1" }
- { title: "freebsd" , host: "macos-12" , arch: "x86-64" , cc: "clang" , conf: "Release", vm: "freebsd", vm_ver: "13.2", defs: "ASMJIT_TEST=1" }
- { title: "netbsd" , host: "macos-12" , arch: "x86-64" , cc: "clang" , conf: "Release", vm: "netbsd" , vm_ver: "9.3" , defs: "ASMJIT_TEST=1" }
- { title: "openbsd" , host: "macos-12" , arch: "x86-64" , cc: "clang" , conf: "Release", vm: "openbsd", vm_ver: "7.4" , defs: "ASMJIT_TEST=1" }
- { title: "openbsd" , host: "ubuntu-latest" , arch: "arm64" , cc: "clang" , conf: "Release", vm: "openbsd", vm_ver: "7.4" , defs: "ASMJIT_TEST=1" }
- { title: "debian" , host: "ubuntu-latest" , arch: "arm/v7" , cc: "clang" , conf: "Release", vm: "debian:unstable", defs: "ASMJIT_TEST=1" }
- { title: "debian" , host: "ubuntu-latest" , arch: "arm64" , cc: "clang" , conf: "Release", vm: "debian:unstable", defs: "ASMJIT_TEST=1" }
- { title: "debian" , host: "ubuntu-latest" , arch: "riscv64", cc: "clang" , conf: "Release", vm: "debian:unstable", defs: "ASMJIT_TEST=1" }
- { title: "debian" , host: "ubuntu-latest" , arch: "ppc64le", cc: "clang" , conf: "Release", vm: "debian:unstable", defs: "ASMJIT_TEST=1" }
name: "${{matrix.title}}/${{matrix.arch}}, ${{matrix.cc}} ${{matrix.conf}}"
runs-on: "${{matrix.host}}"
steps:
- name: "Checkout"
uses: actions/checkout@v3
with:
path: "source"
- name: "Checkout Build Actions"
uses: actions/checkout@v3
with:
repository: build-actions/build-actions
path: "build-actions"
- name: "Python"
uses: actions/setup-python@v4
with:
python-version: "3.x"
- name: QEMU
if: ${{matrix.vm && !matrix.vm_ver}}
uses: docker/setup-qemu-action@v3
with:
platforms: linux/${{matrix.arch}}
- name: "Build & Test - Native"
if: ${{!matrix.vm}}
run: python build-actions/action.py
--step=all
--source-dir=source
--config=source/.github/workflows/build-config.json
--compiler=${{matrix.cc}}
--diagnostics=${{matrix.diagnostics}}
--architecture=${{matrix.arch}}
--problem-matcher=auto
--build-type=${{matrix.conf}}
--build-defs=${{matrix.defs}}
- name: "Build & Test - Cross Platform Actions"
if: ${{matrix.vm && matrix.vm_ver}}
uses: cross-platform-actions/action@master
with:
operating_system: ${{matrix.vm}}
architecture: ${{matrix.arch}}
version: ${{matrix.vm_ver}}
sync_files: "runner-to-vm"
shutdown_vm: false
shell: bash
run: |
set -e
PATH="/usr/sbin:/usr/pkg/sbin:/usr/pkg/bin:$PATH:$(pwd)/build-actions"
CI_NETBSD_USE_PKGIN=1
export PATH
export CI_NETBSD_USE_PKGIN
sh ./build-actions/prepare-environment.sh
python3 build-actions/action.py \
--step=all \
--source-dir=source \
--config=source/.github/workflows/build-config.json \
--compiler=${{matrix.cc}} \
--diagnostics=${{matrix.diagnostics}} \
--architecture=${{matrix.arch}} \
--problem-matcher=auto \
--build-type=${{matrix.conf}} \
--build-defs=${{matrix.defs}}
- name: "Build & Test - Docker + QEMU"
if: ${{matrix.vm && !matrix.vm_ver}}
run: |
docker run \
--rm \
-v $(pwd):/${{github.workspace}} \
-w ${{github.workspace}}/build-actions \
--platform linux/${{matrix.arch}} \
${{matrix.vm}} \
bash action.sh \
--step=all \
--source-dir=../source \
--config=../source/.github/workflows/build-config.json \
--compiler=${{matrix.cc}} \
--diagnostics=${{matrix.diagnostics}} \
--architecture=${{matrix.arch}} \
--problem-matcher=auto \
--build-type=${{matrix.conf}} \
--build-defs=${{matrix.defs}}

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deps/asmjit/.gitignore vendored Normal file
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/build
/build_*
.vscode

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cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
cmake_policy(PUSH)
if (POLICY CMP0063)
cmake_policy(SET CMP0063 NEW) # Honor visibility properties.
endif()
if (POLICY CMP0092)
cmake_policy(SET CMP0092 NEW) # Don't add -W3 warning level by default.
endif()
# Don't create a project if it was already created by another CMakeLists.txt.
# This allows one library to embed another library without making a collision.
if (NOT CMAKE_PROJECT_NAME OR "${CMAKE_PROJECT_NAME}" STREQUAL "asmjit")
project(asmjit CXX)
endif()
include(CheckCXXCompilerFlag)
INCLUDE(CheckCXXSourceCompiles)
include(GNUInstallDirs)
# AsmJit - Deprecated
# ===================
if (DEFINED ASMJIT_BUILD_EMBED)
message(DEPRECATION "ASMJIT_BUILD_EMBED is deprecated, use ASMJIT_EMBED")
set(ASMJIT_EMBED "${ASMJIT_BUILD_EMBED}")
endif()
if (DEFINED ASMJIT_BUILD_STATIC)
message(DEPRECATION "ASMJIT_BUILD_STATIC is deprecated, use ASMJIT_STATIC")
set(ASMJIT_STATIC "${ASMJIT_BUILD_STATIC}")
endif()
# AsmJit - Configuration - Build
# ==============================
if (NOT DEFINED ASMJIT_TEST)
set(ASMJIT_TEST FALSE)
endif()
if (NOT DEFINED ASMJIT_EMBED)
set(ASMJIT_EMBED FALSE)
endif()
if (NOT DEFINED ASMJIT_STATIC)
set(ASMJIT_STATIC ${ASMJIT_EMBED})
endif()
if (NOT DEFINED ASMJIT_SANITIZE)
set(ASMJIT_SANITIZE FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_CUSTOM_FLAGS)
set(ASMJIT_NO_CUSTOM_FLAGS FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_NATVIS)
set(ASMJIT_NO_NATVIS FALSE)
endif()
# EMBED implies STATIC.
if (ASMJIT_EMBED AND NOT ASMJIT_STATIC)
set(ASMJIT_STATIC TRUE)
endif()
# AsmJit - Configuration - Backend
# ================================
if (NOT DEFINED ASMJIT_NO_X86)
set(ASMJIT_NO_X86 FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_AARCH64)
set(ASMJIT_NO_AARCH64 FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_FOREIGN)
set(ASMJIT_NO_FOREIGN FALSE)
endif()
# AsmJit - Configuration - Features
# =================================
if (NOT DEFINED ASMJIT_NO_DEPRECATED)
set(ASMJIT_NO_DEPRECATED FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_SHM_OPEN)
set(ASMJIT_NO_SHM_OPEN FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_JIT)
set(ASMJIT_NO_JIT FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_TEXT)
set(ASMJIT_NO_TEXT FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_LOGGING)
set(ASMJIT_NO_LOGGING ${ASMJIT_NO_TEXT})
endif()
if (NOT DEFINED ASMJIT_NO_VALIDATION)
set(ASMJIT_NO_VALIDATION FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_INTROSPECTION)
set(ASMJIT_NO_INTROSPECTION FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_BUILDER)
set(ASMJIT_NO_BUILDER FALSE)
endif()
if (NOT DEFINED ASMJIT_NO_COMPILER)
if (ASMJIT_NO_BUILDER OR ASMJIT_NO_INTROSPECTION)
set(ASMJIT_NO_COMPILER TRUE)
else()
set(ASMJIT_NO_COMPILER FALSE)
endif()
endif()
# AsmJit - Configuration - CMake Introspection
# ============================================
set(ASMJIT_DIR "${CMAKE_CURRENT_LIST_DIR}" CACHE PATH "Location of 'asmjit'")
set(ASMJIT_TEST "${ASMJIT_TEST}" CACHE BOOL "Build 'asmjit' test applications")
set(ASMJIT_EMBED "${ASMJIT_EMBED}" CACHE BOOL "Embed 'asmjit' library (no targets)")
set(ASMJIT_STATIC "${ASMJIT_STATIC}" CACHE BOOL "Build 'asmjit' library as static")
set(ASMJIT_SANITIZE "${ASMJIT_SANITIZE}" CACHE STRING "Build with sanitizers: 'address', 'undefined', etc...")
set(ASMJIT_NO_NATVIS "${ASMJIT_NO_NATVIS}" CACHE BOOL "Disable natvis support (embedding asmjit.natvis in PDB)")
set(ASMJIT_NO_CUSTOM_FLAGS "${ASMJIT_NO_CUSTOM_FLAGS}" CACHE BOOL "Disable extra compilation flags added by AsmJit to its targets")
set(ASMJIT_NO_X86 "${ASMJIT_NO_X86}" CACHE BOOL "Disable X86/X64 backend")
set(ASMJIT_NO_AARCH64 "${ASMJIT_NO_AARCH64}" CACHE BOOL "Disable AArch64 backend")
set(ASMJIT_NO_FOREIGN "${ASMJIT_NO_FOREIGN}" CACHE BOOL "Disable all foreign architectures (enables only a target architecture)")
set(ASMJIT_NO_DEPRECATED "${ASMJIT_NO_DEPRECATED}" CACHE BOOL "Disable deprecated API at build time")
set(ASMJIT_NO_SHM_OPEN "${ASMJIT_NO_SHM_OPEN}" CACHE BOOL "Disable the use of shm_open() even on platforms where it's supported")
set(ASMJIT_NO_JIT "${ASMJIT_NO_JIT}" CACHE BOOL "Disable VirtMem, JitAllocator, and JitRuntime at build time")
set(ASMJIT_NO_TEXT "${ASMJIT_NO_TEXT}" CACHE BOOL "Disable textual representation of instructions, enums, cpu features, ...")
set(ASMJIT_NO_LOGGING "${ASMJIT_NO_LOGGING}" CACHE BOOL "Disable logging features at build time")
set(ASMJIT_NO_VALIDATION "${ASMJIT_NO_VALIDATION}" CACHE BOOL "Disable instruction validation API at build time")
set(ASMJIT_NO_INTROSPECTION "${ASMJIT_NO_INTROSPECTION}" CACHE BOOL "Disable instruction introspection API at build time")
set(ASMJIT_NO_BUILDER "${ASMJIT_NO_BUILDER}" CACHE BOOL "Disable Builder emitter at build time")
set(ASMJIT_NO_COMPILER "${ASMJIT_NO_COMPILER}" CACHE BOOL "Disable Compiler emitter at build time")
# AsmJit - Project
# ================
set(ASMJIT_INCLUDE_DIRS "${ASMJIT_DIR}/src") # Include directory is the same as source dir.
set(ASMJIT_DEPS "") # AsmJit dependencies (libraries) for the linker.
set(ASMJIT_LIBS "") # Dependencies of libs/apps that want to use AsmJit.
set(ASMJIT_CFLAGS "") # Public compiler flags.
set(ASMJIT_PRIVATE_CFLAGS "") # Private compiler flags independent of build type.
set(ASMJIT_PRIVATE_CFLAGS_DBG "") # Private compiler flags used by debug builds.
set(ASMJIT_PRIVATE_CFLAGS_REL "") # Private compiler flags used by release builds.
set(ASMJIT_SANITIZE_CFLAGS "") # Compiler flags required by currently enabled sanitizers.
set(ASMJIT_SANITIZE_LFLAGS "") # Linker flags required by currently enabled sanitizers.
# AsmJit - Utilities
# ==================
function(asmjit_detect_cflags out)
set(out_array ${${out}})
foreach(flag ${ARGN})
string(REGEX REPLACE "[+]" "x" flag_signature "${flag}")
string(REGEX REPLACE "[-=:;/.\]" "_" flag_signature "${flag_signature}")
check_cxx_compiler_flag(${flag} "__CxxFlag_${flag_signature}")
if (${__CxxFlag_${flag_signature}})
list(APPEND out_array "${flag}")
endif()
endforeach()
set(${out} "${out_array}" PARENT_SCOPE)
endfunction()
# Support for various sanitizers provided by C/C++ compilers.
function(asmjit_detect_sanitizers out)
set(_out_array ${${out}})
set(_flags "")
foreach(_arg ${ARGN})
string(REPLACE "," ";" _arg "${_arg}")
list(APPEND _flags ${_arg})
endforeach()
foreach(_flag ${_flags})
if (NOT "${_flag}" MATCHES "^-fsanitize=")
SET(_flag "-fsanitize=${_flag}")
endif()
# Sanitizers also require link flags, see CMAKE_REQUIRED_FLAGS.
set(CMAKE_REQUIRED_FLAGS "${_flag}")
asmjit_detect_cflags(_out_array ${_flag})
unset(CMAKE_REQUIRED_FLAGS)
endforeach()
set(${out} "${_out_array}" PARENT_SCOPE)
endfunction()
function(asmjit_add_target target target_type)
set(single_val "")
set(multi_val SOURCES LIBRARIES CFLAGS CFLAGS_DBG CFLAGS_REL)
cmake_parse_arguments("X" "" "${single_val}" "${multi_val}" ${ARGN})
if ("${target_type}" MATCHES "^(EXECUTABLE|TEST)$")
add_executable(${target} ${X_SOURCES})
else()
add_library(${target} ${target_type} ${X_SOURCES})
endif()
set_target_properties(${target} PROPERTIES DEFINE_SYMBOL "")
target_link_libraries(${target} PRIVATE ${X_LIBRARIES})
# target_link_options was added in cmake v3.13, don't use it for now...
foreach(link_flag ${ASMJIT_PRIVATE_LFLAGS})
set_property(TARGET ${target} APPEND_STRING PROPERTY LINK_FLAGS " ${link_flag}")
endforeach()
target_compile_features(${target} PUBLIC cxx_std_11)
set_property(TARGET ${target} PROPERTY CXX_EXTENSIONS NO)
set_property(TARGET ${target} PROPERTY CXX_VISIBILITY_PRESET hidden)
target_compile_options(${target} PRIVATE ${X_CFLAGS} ${ASMJIT_SANITIZE_CFLAGS} $<$<CONFIG:Debug>:${X_CFLAGS_DBG}> $<$<NOT:$<CONFIG:Debug>>:${X_CFLAGS_REL}>)
if ("${target_type}" STREQUAL "TEST")
add_test(NAME ${target} COMMAND ${target})
endif()
endfunction()
# AsmJit - Compiler Support
# =========================
set(ASMJIT_INCLUDE_DIRS "${ASMJIT_DIR}/src") # Include directory is the same as source dir.
set(ASMJIT_DEPS "") # AsmJit dependencies (libraries) for the linker.
set(ASMJIT_LIBS "") # Dependencies of libs/apps that want to use AsmJit.
set(ASMJIT_CFLAGS "") # Public compiler flags.
set(ASMJIT_PRIVATE_CFLAGS "") # Private compiler flags independent of build type.
set(ASMJIT_PRIVATE_CFLAGS_DBG "") # Private compiler flags used by debug builds.
set(ASMJIT_PRIVATE_CFLAGS_REL "") # Private compiler flags used by release builds.
set(ASMJIT_PRIVATE_LFLAGS "") # Private linker flags.
set(ASMJIT_SANITIZE_CFLAGS "") # Compiler flags required by currently enabled sanitizers.
set(ASMJIT_SANITIZE_LFLAGS "") # Linker flags required by currently enabled sanitizers.
# We will have to keep this most likely forever as some users may still be using it.
set(ASMJIT_INCLUDE_DIR "${ASMJIT_INCLUDE_DIRS}")
if (NOT ASMJIT_NO_CUSTOM_FLAGS)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" OR "x${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC")
list(APPEND ASMJIT_PRIVATE_CFLAGS
-MP # [+] Multi-Process Compilation.
-GF # [+] Eliminate duplicate strings.
-Zc:__cplusplus # [+] Conforming __cplusplus definition.
-Zc:inline # [+] Remove unreferenced COMDAT.
-Zc:strictStrings # [+] Strict const qualification of string literals.
-Zc:threadSafeInit- # [-] Thread-safe statics.
-W4) # [+] Warning level 4.
list(APPEND ASMJIT_PRIVATE_CFLAGS_DBG
-GS) # [+] Buffer security-check.
list(APPEND ASMJIT_PRIVATE_CFLAGS_REL
-GS- # [-] Buffer security-check.
-O2 # [+] Favor speed over size.
-Oi) # [+] Generate intrinsic functions.
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "^(GNU|Clang|AppleClang)$")
list(APPEND ASMJIT_PRIVATE_CFLAGS -Wall -Wextra -Wconversion)
list(APPEND ASMJIT_PRIVATE_CFLAGS -fno-math-errno)
list(APPEND ASMJIT_PRIVATE_CFLAGS_REL -O2)
# -fno-semantic-interposition is not available on apple - the compiler issues a warning, which is not detected.
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")
asmjit_detect_cflags(ASMJIT_PRIVATE_CFLAGS -fno-threadsafe-statics)
else()
asmjit_detect_cflags(ASMJIT_PRIVATE_CFLAGS -fno-threadsafe-statics -fno-semantic-interposition)
endif()
# The following flags can save few bytes in the resulting binary.
asmjit_detect_cflags(ASMJIT_PRIVATE_CFLAGS_REL
-fmerge-all-constants # Merge all constants even if it violates ISO C++.
-fno-enforce-eh-specs) # Don't enforce termination if noexcept function throws.
endif()
endif()
# Support for sanitizers.
if (ASMJIT_SANITIZE)
ASMJIT_detect_sanitizers(ASMJIT_SANITIZE_CFLAGS ${ASMJIT_SANITIZE})
if (ASMJIT_SANITIZE_CFLAGS)
message("-- Enabling sanitizers: '${ASMJIT_SANITIZE_CFLAGS}'")
# Linker must receive the same flags as the compiler when it comes to sanitizers.
set(ASMJIT_SANITIZE_LFLAGS ${ASMJIT_SANITIZE_CFLAGS})
# Don't omit frame pointer if sanitizers are enabled.
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" OR "x${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC")
list(APPEND ASMJIT_SANITIZE_CFLAGS -Oy-)
else()
list(APPEND ASMJIT_SANITIZE_CFLAGS -fno-omit-frame-pointer -g)
endif()
list(APPEND ASMJIT_PRIVATE_CFLAGS ${ASMJIT_SANITIZE_CFLAGS})
list(APPEND ASMJIT_PRIVATE_LFLAGS ${ASMJIT_SANITIZE_LFLAGS})
endif()
endif()
if (WIN32)
# Dependency: nothing extra at the moment.
elseif ("${CMAKE_SYSTEM_NAME}" STREQUAL "Android")
# Dependency: libc is the only required library on Android as it also provides libthread.
message("-- Dependency: adding libc (Android target detected)")
list(APPEND ASMJIT_DEPS c)
elseif ("${CMAKE_SYSTEM_NAME}" STREQUAL "Haiku")
# Dependency: libroot is used by Haiku instead of libc, so link to libroot and libpthread.
message("-- Dependency: adding libroot and libpthread (Haiku target detected)")
list(APPEND ASMJIT_DEPS root pthread)
else()
# Dependency: libc is always required.
message("-- Dependency: adding libc (Linux, BSD, or other UNIX/POSIX environment)")
list(APPEND ASMJIT_DEPS c)
# Dependency: pthread (required so AsmJit can use pthread_lock).
check_cxx_source_compiles("
#include <pthread.h>
int main() {
pthread_mutex_t m;
pthread_mutex_init(&m, nullptr);
return pthread_mutex_destroy(&m);
}
" ASMJIT_LIBC_HAS_LIBPTHREAD)
if (ASMJIT_LIBC_HAS_LIBPTHREAD)
message("-- Dependency: libpthread provided by libc (not linking to libpthread)")
else()
message("-- Dependency: libpthread not provided by libc, linking to libpthread")
list(APPEND ASMJIT_DEPS pthread)
endif()
# Dependency: shm_open (required so AsmJit can use shm_open on supported platforms).
if ("${CMAKE_SYSTEM_NAME}" MATCHES "^(Linux|NetBSD)$" AND NOT ASMJIT_NO_SHM_OPEN)
check_cxx_source_compiles("
#include <sys/mman.h>
int main() {
const char file_name[1] {};
return shm_open(file_name, 0, 0);
}
" ASMJIT_LIBC_HAS_LIBRT)
if (ASMJIT_LIBC_HAS_LIBRT)
message("-- Dependency: shm_open provided by libc (not linking to librt)")
else()
message("-- Dependency: shm_open not provided by libc, linking to librt")
list(APPEND ASMJIT_DEPS rt)
endif()
endif()
endif()
set(ASMJIT_LIBS ${ASMJIT_DEPS})
if (NOT ASMJIT_EMBED)
list(INSERT ASMJIT_LIBS 0 asmjit)
endif()
if (ASMJIT_EMBED)
set(ASMJIT_TARGET_TYPE "EMBED")
elseif (ASMJIT_STATIC)
set(ASMJIT_TARGET_TYPE "STATIC")
else()
set(ASMJIT_TARGET_TYPE "SHARED")
endif()
foreach(build_option # AsmJit build options.
ASMJIT_STATIC
ASMJIT_NO_DEPRECATED
# AsmJit backends selection.
ASMJIT_NO_X86
ASMJIT_NO_AARCH64
ASMJIT_NO_FOREIGN
# AsmJit features selection.
ASMJIT_NO_JIT
ASMJIT_NO_TEXT
ASMJIT_NO_LOGGING
ASMJIT_NO_INTROSPECTION
ASMJIT_NO_VALIDATION
ASMJIT_NO_BUILDER
ASMJIT_NO_COMPILER)
if (${build_option})
List(APPEND ASMJIT_CFLAGS "-D${build_option}")
List(APPEND ASMJIT_PRIVATE_CFLAGS "-D${build_option}")
endif()
endforeach()
# AsmJit - Linker Support
# =======================
if (WIN32)
if (CMAKE_LINKER MATCHES "link\\.exe" OR CMAKE_LINKER MATCHES "lld-link\\.exe")
set(ASMJIT_LINKER_SUPPORTS_NATVIS TRUE)
endif()
endif()
# AsmJit - Source
# ===============
set(ASMJIT_SRC_LIST
asmjit/asmjit.h
asmjit/asmjit-scope-begin.h
asmjit/asmjit-scope-end.h
asmjit/core.h
asmjit/core/api-build_p.h
asmjit/core/api-config.h
asmjit/core/archtraits.cpp
asmjit/core/archtraits.h
asmjit/core/archcommons.h
asmjit/core/assembler.cpp
asmjit/core/assembler.h
asmjit/core/builder.cpp
asmjit/core/builder.h
asmjit/core/codebuffer.h
asmjit/core/codeholder.cpp
asmjit/core/codeholder.h
asmjit/core/codewriter.cpp
asmjit/core/codewriter_p.h
asmjit/core/compiler.cpp
asmjit/core/compiler.h
asmjit/core/compilerdefs.h
asmjit/core/constpool.cpp
asmjit/core/constpool.h
asmjit/core/cpuinfo.cpp
asmjit/core/cpuinfo.h
asmjit/core/emithelper.cpp
asmjit/core/emithelper_p.h
asmjit/core/emitter.cpp
asmjit/core/emitter.h
asmjit/core/emitterutils.cpp
asmjit/core/emitterutils_p.h
asmjit/core/environment.cpp
asmjit/core/environment.h
asmjit/core/errorhandler.cpp
asmjit/core/errorhandler.h
asmjit/core/formatter.cpp
asmjit/core/formatter.h
asmjit/core/func.cpp
asmjit/core/func.h
asmjit/core/funcargscontext.cpp
asmjit/core/funcargscontext_p.h
asmjit/core/globals.cpp
asmjit/core/globals.h
asmjit/core/inst.cpp
asmjit/core/inst.h
asmjit/core/instdb.cpp
asmjit/core/instdb_p.h
asmjit/core/jitallocator.cpp
asmjit/core/jitallocator.h
asmjit/core/jitruntime.cpp
asmjit/core/jitruntime.h
asmjit/core/logger.cpp
asmjit/core/logger.h
asmjit/core/misc_p.h
asmjit/core/operand.cpp
asmjit/core/operand.h
asmjit/core/osutils.cpp
asmjit/core/osutils.h
asmjit/core/osutils_p.h
asmjit/core/raassignment_p.h
asmjit/core/rabuilders_p.h
asmjit/core/radefs_p.h
asmjit/core/ralocal.cpp
asmjit/core/ralocal_p.h
asmjit/core/rapass.cpp
asmjit/core/rapass_p.h
asmjit/core/rastack.cpp
asmjit/core/rastack_p.h
asmjit/core/string.cpp
asmjit/core/string.h
asmjit/core/support.cpp
asmjit/core/support.h
asmjit/core/target.cpp
asmjit/core/target.h
asmjit/core/type.cpp
asmjit/core/type.h
asmjit/core/virtmem.cpp
asmjit/core/virtmem.h
asmjit/core/zone.cpp
asmjit/core/zone.h
asmjit/core/zonehash.cpp
asmjit/core/zonehash.h
asmjit/core/zonelist.cpp
asmjit/core/zonelist.h
asmjit/core/zonestack.cpp
asmjit/core/zonestack.h
asmjit/core/zonestring.h
asmjit/core/zonetree.cpp
asmjit/core/zonetree.h
asmjit/core/zonevector.cpp
asmjit/core/zonevector.h
asmjit/a64.h
asmjit/arm.h
asmjit/arm/armformatter.cpp
asmjit/arm/armformatter_p.h
asmjit/arm/armglobals.h
asmjit/arm/armoperand.h
asmjit/arm/armutils.h
asmjit/arm/a64archtraits_p.h
asmjit/arm/a64assembler.cpp
asmjit/arm/a64assembler.h
asmjit/arm/a64builder.cpp
asmjit/arm/a64builder.h
asmjit/arm/a64compiler.cpp
asmjit/arm/a64compiler.h
asmjit/arm/a64emithelper.cpp
asmjit/arm/a64emithelper_p.h
asmjit/arm/a64emitter.h
asmjit/arm/a64formatter.cpp
asmjit/arm/a64formatter_p.h
asmjit/arm/a64func.cpp
asmjit/arm/a64func_p.h
asmjit/arm/a64globals.h
asmjit/arm/a64instapi.cpp
asmjit/arm/a64instapi_p.h
asmjit/arm/a64instdb.cpp
asmjit/arm/a64instdb.h
asmjit/arm/a64operand.cpp
asmjit/arm/a64operand.h
asmjit/arm/a64rapass.cpp
asmjit/arm/a64rapass_p.h
asmjit/x86.h
asmjit/x86/x86archtraits_p.h
asmjit/x86/x86assembler.cpp
asmjit/x86/x86assembler.h
asmjit/x86/x86builder.cpp
asmjit/x86/x86builder.h
asmjit/x86/x86compiler.cpp
asmjit/x86/x86compiler.h
asmjit/x86/x86emithelper.cpp
asmjit/x86/x86emithelper_p.h
asmjit/x86/x86emitter.h
asmjit/x86/x86formatter.cpp
asmjit/x86/x86formatter_p.h
asmjit/x86/x86func.cpp
asmjit/x86/x86func_p.h
asmjit/x86/x86globals.h
asmjit/x86/x86instdb.cpp
asmjit/x86/x86instdb.h
asmjit/x86/x86instdb_p.h
asmjit/x86/x86instapi.cpp
asmjit/x86/x86instapi_p.h
asmjit/x86/x86operand.cpp
asmjit/x86/x86operand.h
asmjit/x86/x86rapass.cpp
asmjit/x86/x86rapass_p.h
)
if (MSVC AND NOT ASMJIT_NO_NATVIS)
list(APPEND ASMJIT_SRC_LIST asmjit.natvis)
endif()
set(ASMJIT_SRC "")
foreach(src_file ${ASMJIT_SRC_LIST})
set(src_file "${ASMJIT_DIR}/src/${src_file}")
list(APPEND ASMJIT_SRC ${src_file})
if ("${src_file}" MATCHES "\\.natvis")
if (ASMJIT_LINKER_SUPPORTS_NATVIS)
list(APPEND ASMJIT_PRIVATE_LFLAGS "-natvis:${src_file}")
endif()
endif()
endforeach()
source_group(TREE "${ASMJIT_DIR}" FILES ${ASMJIT_SRC})
# AsmJit - Summary
# ================
message("** AsmJit Summary **")
message(" ASMJIT_DIR=${ASMJIT_DIR}")
message(" ASMJIT_TEST=${ASMJIT_TEST}")
message(" ASMJIT_TARGET_TYPE=${ASMJIT_TARGET_TYPE}")
message(" ASMJIT_DEPS=${ASMJIT_DEPS}")
message(" ASMJIT_LIBS=${ASMJIT_LIBS}")
message(" ASMJIT_CFLAGS=${ASMJIT_CFLAGS}")
message(" ASMJIT_PRIVATE_CFLAGS=${ASMJIT_PRIVATE_CFLAGS}")
message(" ASMJIT_PRIVATE_CFLAGS_DBG=${ASMJIT_PRIVATE_CFLAGS_DBG}")
message(" ASMJIT_PRIVATE_CFLAGS_REL=${ASMJIT_PRIVATE_CFLAGS_REL}")
# AsmJit - Targets
# ================
if (NOT ASMJIT_EMBED)
# Add AsmJit target.
asmjit_add_target(asmjit "${ASMJIT_TARGET_TYPE}"
SOURCES ${ASMJIT_SRC}
LIBRARIES ${ASMJIT_DEPS}
CFLAGS ${ASMJIT_PRIVATE_CFLAGS}
CFLAGS_DBG ${ASMJIT_PRIVATE_CFLAGS_DBG}
CFLAGS_REL ${ASMJIT_PRIVATE_CFLAGS_REL})
target_compile_options(asmjit INTERFACE ${ASMJIT_CFLAGS})
target_include_directories(asmjit BEFORE INTERFACE
$<BUILD_INTERFACE:${ASMJIT_INCLUDE_DIRS}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
# Add blend2d::blend2d alias.
add_library(asmjit::asmjit ALIAS asmjit)
# TODO: [CMAKE] Deprecated alias - we use projectname::libraryname convention now.
add_library(AsmJit::AsmJit ALIAS asmjit)
# Add AsmJit install instructions (library and public headers).
if (NOT ASMJIT_NO_INSTALL)
install(TARGETS asmjit
EXPORT asmjit-config
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
install(EXPORT asmjit-config
NAMESPACE asmjit::
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/asmjit")
foreach(_src_file ${ASMJIT_SRC_LIST})
if ("${_src_file}" MATCHES "\\.h$" AND NOT "${_src_file}" MATCHES "_p\\.h$")
get_filename_component(_src_dir ${_src_file} PATH)
install(FILES "${ASMJIT_DIR}/src/${_src_file}" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${_src_dir}")
endif()
endforeach()
endif()
# Add AsmJit tests.
if (ASMJIT_TEST)
enable_testing()
# Special target that always uses embedded AsmJit.
asmjit_add_target(asmjit_test_unit TEST
SOURCES ${ASMJIT_SRC}
test/asmjit_test_unit.cpp
test/broken.cpp
test/broken.h
LIBRARIES ${ASMJIT_DEPS}
CFLAGS ${ASMJIT_PRIVATE_CFLAGS}
-DASMJIT_TEST
-DASMJIT_STATIC
CFLAGS_DBG ${ASMJIT_PRIVATE_CFLAGS_DBG}
CFLAGS_REL ${ASMJIT_PRIVATE_CFLAGS_REL})
target_include_directories(asmjit_test_unit BEFORE PRIVATE ${ASMJIT_INCLUDE_DIRS})
asmjit_add_target(asmjit_test_assembler TEST
SOURCES test/asmjit_test_assembler.cpp
test/asmjit_test_assembler.h
test/asmjit_test_assembler_a64.cpp
test/asmjit_test_assembler_x64.cpp
test/asmjit_test_assembler_x86.cpp
LIBRARIES asmjit::asmjit
CFLAGS ${ASMJIT_PRIVATE_CFLAGS}
CFLAGS_DBG ${ASMJIT_PRIVATE_CFLAGS_DBG}
CFLAGS_REL ${ASMJIT_PRIVATE_CFLAGS_REL})
asmjit_add_target(asmjit_test_perf EXECUTABLE
SOURCES test/asmjit_test_perf.cpp
test/asmjit_test_perf_a64.cpp
test/asmjit_test_perf_x86.cpp
SOURCES test/asmjit_test_perf.h
LIBRARIES asmjit::asmjit
CFLAGS ${ASMJIT_PRIVATE_CFLAGS}
CFLAGS_DBG ${ASMJIT_PRIVATE_CFLAGS_DBG}
CFLAGS_REL ${ASMJIT_PRIVATE_CFLAGS_REL})
foreach(_target asmjit_test_emitters
asmjit_test_x86_sections)
asmjit_add_target(${_target} TEST
SOURCES test/${_target}.cpp
LIBRARIES asmjit::asmjit
CFLAGS ${ASMJIT_PRIVATE_CFLAGS}
CFLAGS_DBG ${ASMJIT_PRIVATE_CFLAGS_DBG}
CFLAGS_REL ${ASMJIT_PRIVATE_CFLAGS_REL})
endforeach()
if (NOT ASMJIT_NO_INTROSPECTION)
asmjit_add_target(asmjit_test_instinfo TEST
SOURCES test/asmjit_test_instinfo.cpp
LIBRARIES asmjit::asmjit
CFLAGS ${ASMJIT_PRIVATE_CFLAGS}
CFLAGS_DBG ${ASMJIT_PRIVATE_CFLAGS_DBG}
CFLAGS_REL ${ASMJIT_PRIVATE_CFLAGS_REL})
endif()
if (NOT (ASMJIT_NO_BUILDER OR ASMJIT_NO_COMPILER))
# Vectorcall tests and XMM tests require at least SSE2 in 32-bit mode (in 64-bit mode it's implicit).
set(sse2_flags "")
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC" OR "x${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC")
asmjit_detect_cflags(sse2_flags "-arch:SSE2")
else()
asmjit_detect_cflags(sse2_flags "-msse2")
endif()
asmjit_add_target(asmjit_test_compiler TEST
SOURCES test/asmjit_test_compiler.cpp
test/asmjit_test_compiler.h
test/asmjit_test_compiler_a64.cpp
test/asmjit_test_compiler_x86.cpp
LIBRARIES asmjit::asmjit
CFLAGS ${ASMJIT_PRIVATE_CFLAGS} ${sse2_flags}
CFLAGS_DBG ${ASMJIT_PRIVATE_CFLAGS_DBG}
CFLAGS_REL ${ASMJIT_PRIVATE_CFLAGS_REL})
endif()
endif()
endif()
cmake_policy(POP)

17
deps/asmjit/LICENSE.md vendored Normal file
View File

@ -0,0 +1,17 @@
Copyright (c) 2008-2020 The AsmJit Authors
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.

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