2026 lines
52 KiB
JavaScript
2026 lines
52 KiB
JavaScript
/***********************************************************************
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A JavaScript tokenizer / parser / beautifier / compressor.
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https://github.com/mishoo/UglifyJS2
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-------------------------------- (C) ---------------------------------
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Author: Mihai Bazon
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<mihai.bazon@gmail.com>
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http://mihai.bazon.net/blog
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Distributed under the BSD license:
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Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the following
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disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials
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provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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***********************************************************************/
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import { make_node } from './utils/index.js';
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import {
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AST_Accessor,
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AST_Array,
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AST_Arrow,
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AST_Assign,
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AST_Atom,
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AST_Await,
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AST_BigInt,
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AST_Binary,
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AST_Block,
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AST_BlockStatement,
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AST_Boolean,
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AST_Break,
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AST_Call,
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AST_Case,
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AST_Catch,
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AST_Chain,
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AST_Class,
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AST_ClassStaticBlock,
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AST_ClassExpression,
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AST_ClassProperty,
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AST_ClassPrivateProperty,
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AST_ConciseMethod,
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AST_Conditional,
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AST_Const,
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AST_Constant,
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AST_Continue,
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AST_Debugger,
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AST_Default,
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AST_DefaultAssign,
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AST_DefClass,
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AST_Definitions,
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AST_Defun,
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AST_Destructuring,
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AST_Directive,
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AST_Do,
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AST_Dot,
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AST_DotHash,
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AST_EmptyStatement,
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AST_Expansion,
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AST_Export,
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AST_False,
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AST_Finally,
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AST_For,
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AST_ForIn,
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AST_ForOf,
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AST_Function,
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AST_Hole,
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AST_If,
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AST_Import,
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AST_ImportMeta,
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AST_Label,
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AST_LabeledStatement,
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AST_LabelRef,
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AST_Lambda,
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AST_Let,
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AST_NameMapping,
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AST_New,
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AST_NewTarget,
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AST_Node,
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AST_Null,
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AST_Number,
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AST_Object,
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AST_ObjectGetter,
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AST_ObjectKeyVal,
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AST_ObjectProperty,
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AST_ObjectSetter,
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AST_PrefixedTemplateString,
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AST_PrivateGetter,
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AST_PrivateMethod,
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AST_PrivateSetter,
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AST_PrivateIn,
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AST_PropAccess,
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AST_RegExp,
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AST_Return,
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AST_Sequence,
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AST_SimpleStatement,
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AST_Statement,
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AST_String,
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AST_Sub,
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AST_Super,
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AST_Switch,
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AST_SwitchBranch,
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AST_Symbol,
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AST_SymbolCatch,
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AST_SymbolClass,
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AST_SymbolClassProperty,
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AST_SymbolPrivateProperty,
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AST_SymbolConst,
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AST_SymbolDefClass,
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AST_SymbolDefun,
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AST_SymbolExport,
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AST_SymbolExportForeign,
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AST_SymbolFunarg,
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AST_SymbolImport,
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AST_SymbolImportForeign,
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AST_SymbolLambda,
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AST_SymbolLet,
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AST_SymbolMethod,
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AST_SymbolRef,
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AST_SymbolVar,
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AST_TemplateSegment,
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AST_TemplateString,
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AST_This,
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AST_Throw,
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AST_Token,
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AST_Toplevel,
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AST_True,
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AST_Try,
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AST_TryBlock,
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AST_Unary,
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AST_UnaryPostfix,
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AST_UnaryPrefix,
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AST_Var,
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AST_VarDef,
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AST_While,
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AST_With,
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AST_Yield,
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} from './ast.js';
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import { is_basic_identifier_string } from './parse.js';
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(function () {
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var normalize_directives = function (body) {
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for (var i = 0; i < body.length; i++) {
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if (
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body[i] instanceof AST_Statement &&
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body[i].body instanceof AST_String
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) {
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body[i] = new AST_Directive({
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start: body[i].start,
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end: body[i].end,
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value: body[i].body.value,
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});
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} else {
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return body;
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}
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}
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return body;
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};
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function import_attributes_from_moz(attributes) {
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if (attributes && attributes.length > 0) {
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return new AST_Object({
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start: my_start_token(attributes),
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end: my_end_token(attributes),
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properties: attributes.map(
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(attr) =>
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new AST_ObjectKeyVal({
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start: my_start_token(attr),
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end: my_end_token(attr),
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key: attr.key.name || attr.key.value,
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value: from_moz(attr.value),
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})
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),
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});
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}
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return null;
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}
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var MOZ_TO_ME = {
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Program: function (M) {
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return new AST_Toplevel({
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start: my_start_token(M),
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end: my_end_token(M),
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body: normalize_directives(M.body.map(from_moz)),
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});
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},
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ArrayPattern: function (M) {
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return new AST_Destructuring({
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start: my_start_token(M),
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end: my_end_token(M),
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names: M.elements.map(function (elm) {
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if (elm === null) {
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return new AST_Hole();
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}
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return from_moz(elm);
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}),
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is_array: true,
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});
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},
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ObjectPattern: function (M) {
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return new AST_Destructuring({
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start: my_start_token(M),
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end: my_end_token(M),
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names: M.properties.map(from_moz),
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is_array: false,
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});
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},
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AssignmentPattern: function (M) {
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return new AST_DefaultAssign({
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start: my_start_token(M),
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end: my_end_token(M),
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left: from_moz(M.left),
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operator: '=',
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right: from_moz(M.right),
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});
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},
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SpreadElement: function (M) {
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return new AST_Expansion({
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start: my_start_token(M),
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end: my_end_token(M),
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expression: from_moz(M.argument),
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});
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},
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RestElement: function (M) {
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return new AST_Expansion({
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start: my_start_token(M),
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end: my_end_token(M),
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expression: from_moz(M.argument),
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});
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},
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TemplateElement: function (M) {
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return new AST_TemplateSegment({
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start: my_start_token(M),
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end: my_end_token(M),
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value: M.value.cooked,
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raw: M.value.raw,
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});
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},
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TemplateLiteral: function (M) {
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var segments = [];
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for (var i = 0; i < M.quasis.length; i++) {
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segments.push(from_moz(M.quasis[i]));
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if (M.expressions[i]) {
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segments.push(from_moz(M.expressions[i]));
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}
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}
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return new AST_TemplateString({
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start: my_start_token(M),
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end: my_end_token(M),
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segments: segments,
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});
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},
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TaggedTemplateExpression: function (M) {
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return new AST_PrefixedTemplateString({
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start: my_start_token(M),
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end: my_end_token(M),
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template_string: from_moz(M.quasi),
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prefix: from_moz(M.tag),
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});
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},
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FunctionDeclaration: function (M) {
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return new AST_Defun({
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start: my_start_token(M),
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end: my_end_token(M),
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name: from_moz(M.id),
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argnames: M.params.map(from_moz),
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is_generator: M.generator,
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async: M.async,
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body: normalize_directives(from_moz(M.body).body),
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});
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},
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FunctionExpression: function (M) {
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return new AST_Function({
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start: my_start_token(M),
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end: my_end_token(M),
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name: from_moz(M.id),
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argnames: M.params.map(from_moz),
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is_generator: M.generator,
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async: M.async,
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body: normalize_directives(from_moz(M.body).body),
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});
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},
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ArrowFunctionExpression: function (M) {
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const body =
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M.body.type === 'BlockStatement' ?
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from_moz(M.body).body
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: [make_node(AST_Return, {}, { value: from_moz(M.body) })];
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return new AST_Arrow({
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start: my_start_token(M),
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end: my_end_token(M),
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argnames: M.params.map(from_moz),
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body,
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async: M.async,
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});
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},
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ExpressionStatement: function (M) {
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return new AST_SimpleStatement({
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start: my_start_token(M),
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end: my_end_token(M),
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body: from_moz(M.expression),
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});
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},
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TryStatement: function (M) {
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var handlers = M.handlers || [M.handler];
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if (
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handlers.length > 1 ||
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(M.guardedHandlers && M.guardedHandlers.length)
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) {
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throw new Error('Multiple catch clauses are not supported.');
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}
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return new AST_Try({
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start: my_start_token(M),
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end: my_end_token(M),
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body: new AST_TryBlock(from_moz(M.block)),
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bcatch: from_moz(handlers[0]),
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bfinally: M.finalizer ? new AST_Finally(from_moz(M.finalizer)) : null,
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});
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},
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Property: function (M) {
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var key = M.key;
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var args = {
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start: my_start_token(key || M.value),
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end: my_end_token(M.value),
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key: key.type == 'Identifier' ? key.name : key.value,
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value: from_moz(M.value),
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};
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if (M.computed) {
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args.key = from_moz(M.key);
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}
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if (M.method) {
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args.is_generator = M.value.generator;
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args.async = M.value.async;
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if (!M.computed) {
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args.key = new AST_SymbolMethod({ name: args.key });
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} else {
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args.key = from_moz(M.key);
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}
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return new AST_ConciseMethod(args);
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}
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if (M.kind == 'init') {
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if (key.type != 'Identifier' && key.type != 'Literal') {
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args.key = from_moz(key);
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}
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return new AST_ObjectKeyVal(args);
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}
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if (typeof args.key === 'string' || typeof args.key === 'number') {
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args.key = new AST_SymbolMethod({
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name: args.key,
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});
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}
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args.value = new AST_Accessor(args.value);
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if (M.kind == 'get') return new AST_ObjectGetter(args);
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if (M.kind == 'set') return new AST_ObjectSetter(args);
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if (M.kind == 'method') {
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args.async = M.value.async;
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args.is_generator = M.value.generator;
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args.quote = M.computed ? '"' : null;
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return new AST_ConciseMethod(args);
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}
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},
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MethodDefinition: function (M) {
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const is_private = M.key.type === 'PrivateIdentifier';
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const key =
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M.computed ?
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from_moz(M.key)
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: new AST_SymbolMethod({ name: M.key.name || M.key.value });
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var args = {
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start: my_start_token(M),
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end: my_end_token(M),
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key,
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value: from_moz(M.value),
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static: M.static,
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};
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if (M.kind == 'get') {
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return new (is_private ? AST_PrivateGetter : AST_ObjectGetter)(args);
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}
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if (M.kind == 'set') {
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return new (is_private ? AST_PrivateSetter : AST_ObjectSetter)(args);
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}
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args.is_generator = M.value.generator;
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args.async = M.value.async;
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return new (is_private ? AST_PrivateMethod : AST_ConciseMethod)(args);
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},
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FieldDefinition: function (M) {
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let key;
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if (M.computed) {
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key = from_moz(M.key);
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} else {
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if (M.key.type !== 'Identifier')
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throw new Error('Non-Identifier key in FieldDefinition');
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key = from_moz(M.key);
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}
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return new AST_ClassProperty({
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start: my_start_token(M),
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end: my_end_token(M),
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key,
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value: from_moz(M.value),
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static: M.static,
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});
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},
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PropertyDefinition: function (M) {
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let key;
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if (M.computed) {
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key = from_moz(M.key);
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} else if (M.key.type === 'PrivateIdentifier') {
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return new AST_ClassPrivateProperty({
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start: my_start_token(M),
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end: my_end_token(M),
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key: from_moz(M.key),
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value: from_moz(M.value),
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static: M.static,
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});
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} else {
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if (M.key.type !== 'Identifier') {
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throw new Error('Non-Identifier key in PropertyDefinition');
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}
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key = from_moz(M.key);
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}
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return new AST_ClassProperty({
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start: my_start_token(M),
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end: my_end_token(M),
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key,
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value: from_moz(M.value),
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static: M.static,
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});
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},
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PrivateIdentifier: function (M) {
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return new AST_SymbolPrivateProperty({
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start: my_start_token(M),
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end: my_end_token(M),
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name: M.name,
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});
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},
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StaticBlock: function (M) {
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return new AST_ClassStaticBlock({
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start: my_start_token(M),
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end: my_end_token(M),
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body: M.body.map(from_moz),
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});
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},
|
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ArrayExpression: function (M) {
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return new AST_Array({
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start: my_start_token(M),
|
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end: my_end_token(M),
|
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elements: M.elements.map(function (elem) {
|
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return elem === null ? new AST_Hole() : from_moz(elem);
|
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}),
|
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});
|
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},
|
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|
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ObjectExpression: function (M) {
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return new AST_Object({
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start: my_start_token(M),
|
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end: my_end_token(M),
|
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properties: M.properties.map(function (prop) {
|
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if (prop.type === 'SpreadElement') {
|
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return from_moz(prop);
|
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}
|
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prop.type = 'Property';
|
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return from_moz(prop);
|
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}),
|
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});
|
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},
|
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|
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SequenceExpression: function (M) {
|
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return new AST_Sequence({
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start: my_start_token(M),
|
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end: my_end_token(M),
|
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expressions: M.expressions.map(from_moz),
|
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});
|
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},
|
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|
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MemberExpression: function (M) {
|
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if (M.property.type === 'PrivateIdentifier') {
|
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return new AST_DotHash({
|
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start: my_start_token(M),
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end: my_end_token(M),
|
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property: M.property.name,
|
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expression: from_moz(M.object),
|
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optional: M.optional || false,
|
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});
|
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}
|
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return new (M.computed ? AST_Sub : AST_Dot)({
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start: my_start_token(M),
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end: my_end_token(M),
|
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property: M.computed ? from_moz(M.property) : M.property.name,
|
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expression: from_moz(M.object),
|
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optional: M.optional || false,
|
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});
|
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},
|
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|
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ChainExpression: function (M) {
|
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return new AST_Chain({
|
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start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.expression),
|
|
});
|
|
},
|
|
|
|
SwitchCase: function (M) {
|
|
return new (M.test ? AST_Case : AST_Default)({
|
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start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.test),
|
|
body: M.consequent.map(from_moz),
|
|
});
|
|
},
|
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|
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VariableDeclaration: function (M) {
|
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return new (
|
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M.kind === 'const' ? AST_Const
|
|
: M.kind === 'let' ? AST_Let
|
|
: AST_Var)({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
definitions: M.declarations.map(from_moz),
|
|
});
|
|
},
|
|
|
|
ImportDeclaration: function (M) {
|
|
var imported_name = null;
|
|
var imported_names = null;
|
|
M.specifiers.forEach(function (specifier) {
|
|
if (
|
|
specifier.type === 'ImportSpecifier' ||
|
|
specifier.type === 'ImportNamespaceSpecifier'
|
|
) {
|
|
if (!imported_names) {
|
|
imported_names = [];
|
|
}
|
|
imported_names.push(from_moz(specifier));
|
|
} else if (specifier.type === 'ImportDefaultSpecifier') {
|
|
imported_name = from_moz(specifier);
|
|
}
|
|
});
|
|
return new AST_Import({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
imported_name: imported_name,
|
|
imported_names: imported_names,
|
|
module_name: from_moz(M.source),
|
|
attributes: import_attributes_from_moz(M.attributes || M.assertions),
|
|
});
|
|
},
|
|
|
|
ImportSpecifier: function (M) {
|
|
return new AST_NameMapping({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
foreign_name: from_moz(M.imported),
|
|
name: from_moz(M.local),
|
|
});
|
|
},
|
|
|
|
ImportDefaultSpecifier: function (M) {
|
|
return from_moz(M.local);
|
|
},
|
|
|
|
ImportNamespaceSpecifier: function (M) {
|
|
return new AST_NameMapping({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
foreign_name: new AST_SymbolImportForeign({ name: '*' }),
|
|
name: from_moz(M.local),
|
|
});
|
|
},
|
|
|
|
ImportExpression: function (M) {
|
|
const args = [from_moz(M.source)];
|
|
if (M.options) {
|
|
args.push(from_moz(M.options));
|
|
}
|
|
return new AST_Call({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz({
|
|
type: 'Identifier',
|
|
name: 'import',
|
|
}),
|
|
optional: false,
|
|
args,
|
|
});
|
|
},
|
|
|
|
ExportAllDeclaration: function (M) {
|
|
var foreign_name =
|
|
M.exported == null ?
|
|
new AST_SymbolExportForeign({ name: '*' })
|
|
: from_moz(M.exported);
|
|
return new AST_Export({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
exported_names: [
|
|
new AST_NameMapping({
|
|
name: new AST_SymbolExportForeign({ name: '*' }),
|
|
foreign_name: foreign_name,
|
|
}),
|
|
],
|
|
module_name: from_moz(M.source),
|
|
attributes: import_attributes_from_moz(M.attributes || M.assertions),
|
|
});
|
|
},
|
|
|
|
ExportNamedDeclaration: function (M) {
|
|
return new AST_Export({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
exported_definition: from_moz(M.declaration),
|
|
exported_names:
|
|
M.specifiers && M.specifiers.length ?
|
|
M.specifiers.map(from_moz)
|
|
: null,
|
|
module_name: from_moz(M.source),
|
|
attributes: import_attributes_from_moz(M.attributes || M.assertions),
|
|
});
|
|
},
|
|
|
|
ExportDefaultDeclaration: function (M) {
|
|
return new AST_Export({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
exported_value: from_moz(M.declaration),
|
|
is_default: true,
|
|
});
|
|
},
|
|
|
|
ExportSpecifier: function (M) {
|
|
return new AST_NameMapping({
|
|
foreign_name: from_moz(M.exported),
|
|
name: from_moz(M.local),
|
|
});
|
|
},
|
|
|
|
Literal: function (M) {
|
|
var val = M.value,
|
|
args = {
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
};
|
|
var rx = M.regex;
|
|
if (rx && rx.pattern) {
|
|
// RegExpLiteral as per ESTree AST spec
|
|
args.value = {
|
|
source: rx.pattern,
|
|
flags: rx.flags,
|
|
};
|
|
return new AST_RegExp(args);
|
|
} else if (rx) {
|
|
// support legacy RegExp
|
|
const rx_source = M.raw || val;
|
|
const match = rx_source.match(/^\/(.*)\/(\w*)$/);
|
|
if (!match) throw new Error('Invalid regex source ' + rx_source);
|
|
const [_, source, flags] = match;
|
|
args.value = { source, flags };
|
|
return new AST_RegExp(args);
|
|
}
|
|
const bi = typeof M.value === 'bigint' ? M.value.toString() : M.bigint;
|
|
if (typeof bi === 'string') {
|
|
args.value = bi;
|
|
return new AST_BigInt(args);
|
|
}
|
|
if (val === null) return new AST_Null(args);
|
|
switch (typeof val) {
|
|
case 'string':
|
|
args.quote = '"';
|
|
var p = FROM_MOZ_STACK[FROM_MOZ_STACK.length - 2];
|
|
if (p.type == 'ImportSpecifier') {
|
|
args.name = val;
|
|
return new AST_SymbolImportForeign(args);
|
|
} else if (p.type == 'ExportSpecifier') {
|
|
args.name = val;
|
|
if (M == p.exported) {
|
|
return new AST_SymbolExportForeign(args);
|
|
} else {
|
|
return new AST_SymbolExport(args);
|
|
}
|
|
} else if (p.type == 'ExportAllDeclaration' && M == p.exported) {
|
|
args.name = val;
|
|
return new AST_SymbolExportForeign(args);
|
|
}
|
|
args.value = val;
|
|
return new AST_String(args);
|
|
case 'number':
|
|
args.value = val;
|
|
args.raw = M.raw || val.toString();
|
|
return new AST_Number(args);
|
|
case 'boolean':
|
|
return new (val ? AST_True : AST_False)(args);
|
|
}
|
|
},
|
|
|
|
MetaProperty: function (M) {
|
|
if (M.meta.name === 'new' && M.property.name === 'target') {
|
|
return new AST_NewTarget({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
});
|
|
} else if (M.meta.name === 'import' && M.property.name === 'meta') {
|
|
return new AST_ImportMeta({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
});
|
|
}
|
|
},
|
|
|
|
Identifier: function (M) {
|
|
var p = FROM_MOZ_STACK[FROM_MOZ_STACK.length - 2];
|
|
return new (
|
|
p.type == 'LabeledStatement' ? AST_Label
|
|
: p.type == 'VariableDeclarator' && p.id === M ?
|
|
p.kind == 'const' ? AST_SymbolConst
|
|
: p.kind == 'let' ? AST_SymbolLet
|
|
: AST_SymbolVar
|
|
: /Import.*Specifier/.test(p.type) ?
|
|
p.local === M ?
|
|
AST_SymbolImport
|
|
: AST_SymbolImportForeign
|
|
: p.type == 'ExportSpecifier' ?
|
|
p.local === M ?
|
|
AST_SymbolExport
|
|
: AST_SymbolExportForeign
|
|
: p.type == 'FunctionExpression' ?
|
|
p.id === M ?
|
|
AST_SymbolLambda
|
|
: AST_SymbolFunarg
|
|
: p.type == 'FunctionDeclaration' ?
|
|
p.id === M ?
|
|
AST_SymbolDefun
|
|
: AST_SymbolFunarg
|
|
: p.type == 'ArrowFunctionExpression' ?
|
|
p.params.includes(M) ?
|
|
AST_SymbolFunarg
|
|
: AST_SymbolRef
|
|
: p.type == 'ClassExpression' ?
|
|
p.id === M ?
|
|
AST_SymbolClass
|
|
: AST_SymbolRef
|
|
: p.type == 'Property' ?
|
|
(p.key === M && p.computed) || p.value === M ?
|
|
AST_SymbolRef
|
|
: AST_SymbolMethod
|
|
: p.type == 'PropertyDefinition' || p.type === 'FieldDefinition' ?
|
|
(p.key === M && p.computed) || p.value === M ?
|
|
AST_SymbolRef
|
|
: AST_SymbolClassProperty
|
|
: p.type == 'ClassDeclaration' ?
|
|
p.id === M ?
|
|
AST_SymbolDefClass
|
|
: AST_SymbolRef
|
|
: p.type == 'MethodDefinition' ?
|
|
p.computed ?
|
|
AST_SymbolRef
|
|
: AST_SymbolMethod
|
|
: p.type == 'CatchClause' ? AST_SymbolCatch
|
|
: p.type == 'BreakStatement' || p.type == 'ContinueStatement' ?
|
|
AST_LabelRef
|
|
: AST_SymbolRef)({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
name: M.name,
|
|
});
|
|
},
|
|
|
|
EmptyStatement: function (M) {
|
|
return new AST_EmptyStatement({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
});
|
|
},
|
|
|
|
BlockStatement: function (M) {
|
|
return new AST_BlockStatement({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
body: M.body.map(from_moz),
|
|
});
|
|
},
|
|
|
|
IfStatement: function (M) {
|
|
return new AST_If({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
condition: from_moz(M.test),
|
|
body: from_moz(M.consequent),
|
|
alternative: from_moz(M.alternate),
|
|
});
|
|
},
|
|
|
|
LabeledStatement: function (M) {
|
|
return new AST_LabeledStatement({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
label: from_moz(M.label),
|
|
body: from_moz(M.body),
|
|
});
|
|
},
|
|
|
|
BreakStatement: function (M) {
|
|
return new AST_Break({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
label: from_moz(M.label),
|
|
});
|
|
},
|
|
|
|
ContinueStatement: function (M) {
|
|
return new AST_Continue({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
label: from_moz(M.label),
|
|
});
|
|
},
|
|
|
|
WithStatement: function (M) {
|
|
return new AST_With({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.object),
|
|
body: from_moz(M.body),
|
|
});
|
|
},
|
|
|
|
SwitchStatement: function (M) {
|
|
return new AST_Switch({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.discriminant),
|
|
body: M.cases.map(from_moz),
|
|
});
|
|
},
|
|
|
|
ReturnStatement: function (M) {
|
|
return new AST_Return({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
value: from_moz(M.argument),
|
|
});
|
|
},
|
|
|
|
ThrowStatement: function (M) {
|
|
return new AST_Throw({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
value: from_moz(M.argument),
|
|
});
|
|
},
|
|
|
|
WhileStatement: function (M) {
|
|
return new AST_While({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
condition: from_moz(M.test),
|
|
body: from_moz(M.body),
|
|
});
|
|
},
|
|
|
|
DoWhileStatement: function (M) {
|
|
return new AST_Do({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
condition: from_moz(M.test),
|
|
body: from_moz(M.body),
|
|
});
|
|
},
|
|
|
|
ForStatement: function (M) {
|
|
return new AST_For({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
init: from_moz(M.init),
|
|
condition: from_moz(M.test),
|
|
step: from_moz(M.update),
|
|
body: from_moz(M.body),
|
|
});
|
|
},
|
|
|
|
ForInStatement: function (M) {
|
|
return new AST_ForIn({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
init: from_moz(M.left),
|
|
object: from_moz(M.right),
|
|
body: from_moz(M.body),
|
|
});
|
|
},
|
|
|
|
ForOfStatement: function (M) {
|
|
return new AST_ForOf({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
init: from_moz(M.left),
|
|
object: from_moz(M.right),
|
|
body: from_moz(M.body),
|
|
await: M.await,
|
|
});
|
|
},
|
|
|
|
AwaitExpression: function (M) {
|
|
return new AST_Await({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.argument),
|
|
});
|
|
},
|
|
|
|
YieldExpression: function (M) {
|
|
return new AST_Yield({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.argument),
|
|
is_star: M.delegate,
|
|
});
|
|
},
|
|
|
|
DebuggerStatement: function (M) {
|
|
return new AST_Debugger({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
});
|
|
},
|
|
|
|
VariableDeclarator: function (M) {
|
|
return new AST_VarDef({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
name: from_moz(M.id),
|
|
value: from_moz(M.init),
|
|
});
|
|
},
|
|
|
|
CatchClause: function (M) {
|
|
return new AST_Catch({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
argname: from_moz(M.param),
|
|
body: from_moz(M.body).body,
|
|
});
|
|
},
|
|
|
|
ThisExpression: function (M) {
|
|
return new AST_This({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
});
|
|
},
|
|
|
|
Super: function (M) {
|
|
return new AST_Super({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
});
|
|
},
|
|
|
|
BinaryExpression: function (M) {
|
|
if (M.left.type === 'PrivateIdentifier') {
|
|
return new AST_PrivateIn({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
key: new AST_SymbolPrivateProperty({
|
|
start: my_start_token(M.left),
|
|
end: my_end_token(M.left),
|
|
name: M.left.name,
|
|
}),
|
|
value: from_moz(M.right),
|
|
});
|
|
}
|
|
return new AST_Binary({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
operator: M.operator,
|
|
left: from_moz(M.left),
|
|
right: from_moz(M.right),
|
|
});
|
|
},
|
|
|
|
LogicalExpression: function (M) {
|
|
return new AST_Binary({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
operator: M.operator,
|
|
left: from_moz(M.left),
|
|
right: from_moz(M.right),
|
|
});
|
|
},
|
|
|
|
AssignmentExpression: function (M) {
|
|
return new AST_Assign({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
operator: M.operator,
|
|
left: from_moz(M.left),
|
|
right: from_moz(M.right),
|
|
});
|
|
},
|
|
|
|
ConditionalExpression: function (M) {
|
|
return new AST_Conditional({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
condition: from_moz(M.test),
|
|
consequent: from_moz(M.consequent),
|
|
alternative: from_moz(M.alternate),
|
|
});
|
|
},
|
|
|
|
NewExpression: function (M) {
|
|
return new AST_New({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.callee),
|
|
args: M.arguments.map(from_moz),
|
|
});
|
|
},
|
|
|
|
CallExpression: function (M) {
|
|
return new AST_Call({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.callee),
|
|
optional: M.optional,
|
|
args: M.arguments.map(from_moz),
|
|
});
|
|
},
|
|
};
|
|
|
|
MOZ_TO_ME.UpdateExpression = MOZ_TO_ME.UnaryExpression =
|
|
function To_Moz_Unary(M) {
|
|
var prefix =
|
|
'prefix' in M ? M.prefix
|
|
: M.type == 'UnaryExpression' ? true
|
|
: false;
|
|
return new (prefix ? AST_UnaryPrefix : AST_UnaryPostfix)({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
operator: M.operator,
|
|
expression: from_moz(M.argument),
|
|
});
|
|
};
|
|
|
|
MOZ_TO_ME.ClassDeclaration = MOZ_TO_ME.ClassExpression =
|
|
function From_Moz_Class(M) {
|
|
return new (
|
|
M.type === 'ClassDeclaration' ?
|
|
AST_DefClass
|
|
: AST_ClassExpression)({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
name: from_moz(M.id),
|
|
extends: from_moz(M.superClass),
|
|
properties: M.body.body.map(from_moz),
|
|
});
|
|
};
|
|
|
|
def_to_moz(AST_EmptyStatement, function To_Moz_EmptyStatement() {
|
|
return {
|
|
type: 'EmptyStatement',
|
|
};
|
|
});
|
|
def_to_moz(AST_BlockStatement, function To_Moz_BlockStatement(M) {
|
|
return {
|
|
type: 'BlockStatement',
|
|
body: M.body.map(to_moz),
|
|
};
|
|
});
|
|
def_to_moz(AST_If, function To_Moz_IfStatement(M) {
|
|
return {
|
|
type: 'IfStatement',
|
|
test: to_moz(M.condition),
|
|
consequent: to_moz(M.body),
|
|
alternate: to_moz(M.alternative),
|
|
};
|
|
});
|
|
def_to_moz(AST_LabeledStatement, function To_Moz_LabeledStatement(M) {
|
|
return {
|
|
type: 'LabeledStatement',
|
|
label: to_moz(M.label),
|
|
body: to_moz(M.body),
|
|
};
|
|
});
|
|
def_to_moz(AST_Break, function To_Moz_BreakStatement(M) {
|
|
return {
|
|
type: 'BreakStatement',
|
|
label: to_moz(M.label),
|
|
};
|
|
});
|
|
def_to_moz(AST_Continue, function To_Moz_ContinueStatement(M) {
|
|
return {
|
|
type: 'ContinueStatement',
|
|
label: to_moz(M.label),
|
|
};
|
|
});
|
|
def_to_moz(AST_With, function To_Moz_WithStatement(M) {
|
|
return {
|
|
type: 'WithStatement',
|
|
object: to_moz(M.expression),
|
|
body: to_moz(M.body),
|
|
};
|
|
});
|
|
def_to_moz(AST_Switch, function To_Moz_SwitchStatement(M) {
|
|
return {
|
|
type: 'SwitchStatement',
|
|
discriminant: to_moz(M.expression),
|
|
cases: M.body.map(to_moz),
|
|
};
|
|
});
|
|
def_to_moz(AST_Return, function To_Moz_ReturnStatement(M) {
|
|
return {
|
|
type: 'ReturnStatement',
|
|
argument: to_moz(M.value),
|
|
};
|
|
});
|
|
def_to_moz(AST_Throw, function To_Moz_ThrowStatement(M) {
|
|
return {
|
|
type: 'ThrowStatement',
|
|
argument: to_moz(M.value),
|
|
};
|
|
});
|
|
def_to_moz(AST_While, function To_Moz_WhileStatement(M) {
|
|
return {
|
|
type: 'WhileStatement',
|
|
test: to_moz(M.condition),
|
|
body: to_moz(M.body),
|
|
};
|
|
});
|
|
def_to_moz(AST_Do, function To_Moz_DoWhileStatement(M) {
|
|
return {
|
|
type: 'DoWhileStatement',
|
|
test: to_moz(M.condition),
|
|
body: to_moz(M.body),
|
|
};
|
|
});
|
|
def_to_moz(AST_For, function To_Moz_ForStatement(M) {
|
|
return {
|
|
type: 'ForStatement',
|
|
init: to_moz(M.init),
|
|
test: to_moz(M.condition),
|
|
update: to_moz(M.step),
|
|
body: to_moz(M.body),
|
|
};
|
|
});
|
|
def_to_moz(AST_ForIn, function To_Moz_ForInStatement(M) {
|
|
return {
|
|
type: 'ForInStatement',
|
|
left: to_moz(M.init),
|
|
right: to_moz(M.object),
|
|
body: to_moz(M.body),
|
|
};
|
|
});
|
|
def_to_moz(AST_ForOf, function To_Moz_ForOfStatement(M) {
|
|
return {
|
|
type: 'ForOfStatement',
|
|
left: to_moz(M.init),
|
|
right: to_moz(M.object),
|
|
body: to_moz(M.body),
|
|
await: M.await,
|
|
};
|
|
});
|
|
def_to_moz(AST_Await, function To_Moz_AwaitExpression(M) {
|
|
return {
|
|
type: 'AwaitExpression',
|
|
argument: to_moz(M.expression),
|
|
};
|
|
});
|
|
def_to_moz(AST_Yield, function To_Moz_YieldExpression(M) {
|
|
return {
|
|
type: 'YieldExpression',
|
|
argument: to_moz(M.expression),
|
|
delegate: M.is_star,
|
|
};
|
|
});
|
|
def_to_moz(AST_Debugger, function To_Moz_DebuggerStatement() {
|
|
return {
|
|
type: 'DebuggerStatement',
|
|
};
|
|
});
|
|
def_to_moz(AST_VarDef, function To_Moz_VariableDeclarator(M) {
|
|
return {
|
|
type: 'VariableDeclarator',
|
|
id: to_moz(M.name),
|
|
init: to_moz(M.value),
|
|
};
|
|
});
|
|
def_to_moz(AST_Catch, function To_Moz_CatchClause(M) {
|
|
return {
|
|
type: 'CatchClause',
|
|
param: to_moz(M.argname),
|
|
body: to_moz_block(M),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_This, function To_Moz_ThisExpression() {
|
|
return {
|
|
type: 'ThisExpression',
|
|
};
|
|
});
|
|
def_to_moz(AST_Super, function To_Moz_Super() {
|
|
return {
|
|
type: 'Super',
|
|
};
|
|
});
|
|
def_to_moz(AST_Binary, function To_Moz_BinaryExpression(M) {
|
|
return {
|
|
type: 'BinaryExpression',
|
|
operator: M.operator,
|
|
left: to_moz(M.left),
|
|
right: to_moz(M.right),
|
|
};
|
|
});
|
|
def_to_moz(AST_Binary, function To_Moz_LogicalExpression(M) {
|
|
return {
|
|
type: 'LogicalExpression',
|
|
operator: M.operator,
|
|
left: to_moz(M.left),
|
|
right: to_moz(M.right),
|
|
};
|
|
});
|
|
def_to_moz(AST_Assign, function To_Moz_AssignmentExpression(M) {
|
|
return {
|
|
type: 'AssignmentExpression',
|
|
operator: M.operator,
|
|
left: to_moz(M.left),
|
|
right: to_moz(M.right),
|
|
};
|
|
});
|
|
def_to_moz(AST_Conditional, function To_Moz_ConditionalExpression(M) {
|
|
return {
|
|
type: 'ConditionalExpression',
|
|
test: to_moz(M.condition),
|
|
consequent: to_moz(M.consequent),
|
|
alternate: to_moz(M.alternative),
|
|
};
|
|
});
|
|
def_to_moz(AST_New, function To_Moz_NewExpression(M) {
|
|
return {
|
|
type: 'NewExpression',
|
|
callee: to_moz(M.expression),
|
|
arguments: M.args.map(to_moz),
|
|
};
|
|
});
|
|
def_to_moz(AST_Call, function To_Moz_CallExpression(M) {
|
|
if (
|
|
M.expression instanceof AST_SymbolRef &&
|
|
M.expression.name === 'import'
|
|
) {
|
|
const [source, options] = M.args.map(to_moz);
|
|
return {
|
|
type: 'ImportExpression',
|
|
source,
|
|
options,
|
|
};
|
|
}
|
|
|
|
return {
|
|
type: 'CallExpression',
|
|
callee: to_moz(M.expression),
|
|
optional: M.optional,
|
|
arguments: M.args.map(to_moz),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Toplevel, function To_Moz_Program(M) {
|
|
return to_moz_scope('Program', M);
|
|
});
|
|
|
|
def_to_moz(AST_Expansion, function To_Moz_Spread(M) {
|
|
return {
|
|
type: to_moz_in_destructuring() ? 'RestElement' : 'SpreadElement',
|
|
argument: to_moz(M.expression),
|
|
};
|
|
});
|
|
|
|
def_to_moz(
|
|
AST_PrefixedTemplateString,
|
|
function To_Moz_TaggedTemplateExpression(M) {
|
|
return {
|
|
type: 'TaggedTemplateExpression',
|
|
tag: to_moz(M.prefix),
|
|
quasi: to_moz(M.template_string),
|
|
};
|
|
}
|
|
);
|
|
|
|
def_to_moz(AST_TemplateString, function To_Moz_TemplateLiteral(M) {
|
|
var quasis = [];
|
|
var expressions = [];
|
|
for (var i = 0; i < M.segments.length; i++) {
|
|
if (i % 2 !== 0) {
|
|
expressions.push(to_moz(M.segments[i]));
|
|
} else {
|
|
quasis.push({
|
|
type: 'TemplateElement',
|
|
value: {
|
|
raw: M.segments[i].raw,
|
|
cooked: M.segments[i].value,
|
|
},
|
|
tail: i === M.segments.length - 1,
|
|
});
|
|
}
|
|
}
|
|
return {
|
|
type: 'TemplateLiteral',
|
|
quasis: quasis,
|
|
expressions: expressions,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Defun, function To_Moz_FunctionDeclaration(M) {
|
|
return {
|
|
type: 'FunctionDeclaration',
|
|
id: to_moz(M.name),
|
|
params: M.argnames.map(to_moz),
|
|
generator: M.is_generator,
|
|
async: M.async,
|
|
body: to_moz_scope('BlockStatement', M),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Function, function To_Moz_FunctionExpression(M, parent) {
|
|
var is_generator =
|
|
parent.is_generator !== undefined ? parent.is_generator : M.is_generator;
|
|
return {
|
|
type: 'FunctionExpression',
|
|
id: to_moz(M.name),
|
|
params: M.argnames.map(to_moz),
|
|
generator: is_generator,
|
|
async: M.async,
|
|
body: to_moz_scope('BlockStatement', M),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Arrow, function To_Moz_ArrowFunctionExpression(M) {
|
|
var body = {
|
|
type: 'BlockStatement',
|
|
body: M.body.map(to_moz),
|
|
};
|
|
return {
|
|
type: 'ArrowFunctionExpression',
|
|
params: M.argnames.map(to_moz),
|
|
async: M.async,
|
|
body: body,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Destructuring, function To_Moz_ObjectPattern(M) {
|
|
if (M.is_array) {
|
|
return {
|
|
type: 'ArrayPattern',
|
|
elements: M.names.map(to_moz),
|
|
};
|
|
}
|
|
return {
|
|
type: 'ObjectPattern',
|
|
properties: M.names.map(to_moz),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Directive, function To_Moz_Directive(M) {
|
|
return {
|
|
type: 'ExpressionStatement',
|
|
expression: {
|
|
type: 'Literal',
|
|
value: M.value,
|
|
raw: M.print_to_string(),
|
|
},
|
|
directive: M.value,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_SimpleStatement, function To_Moz_ExpressionStatement(M) {
|
|
return {
|
|
type: 'ExpressionStatement',
|
|
expression: to_moz(M.body),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_SwitchBranch, function To_Moz_SwitchCase(M) {
|
|
return {
|
|
type: 'SwitchCase',
|
|
test: to_moz(M.expression),
|
|
consequent: M.body.map(to_moz),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Try, function To_Moz_TryStatement(M) {
|
|
return {
|
|
type: 'TryStatement',
|
|
block: to_moz_block(M.body),
|
|
handler: to_moz(M.bcatch),
|
|
guardedHandlers: [],
|
|
finalizer: to_moz(M.bfinally),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Catch, function To_Moz_CatchClause(M) {
|
|
return {
|
|
type: 'CatchClause',
|
|
param: to_moz(M.argname),
|
|
guard: null,
|
|
body: to_moz_block(M),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Definitions, function To_Moz_VariableDeclaration(M) {
|
|
return {
|
|
type: 'VariableDeclaration',
|
|
kind:
|
|
M instanceof AST_Const ? 'const'
|
|
: M instanceof AST_Let ? 'let'
|
|
: 'var',
|
|
declarations: M.definitions.map(to_moz),
|
|
};
|
|
});
|
|
|
|
function import_attributes_to_moz(attribute) {
|
|
const import_attributes = [];
|
|
if (attribute) {
|
|
for (const { key, value } of attribute.properties) {
|
|
const key_moz =
|
|
is_basic_identifier_string(key) ?
|
|
{ type: 'Identifier', name: key }
|
|
: { type: 'Literal', value: key, raw: JSON.stringify(key) };
|
|
import_attributes.push({
|
|
type: 'ImportAttribute',
|
|
key: key_moz,
|
|
value: to_moz(value),
|
|
});
|
|
}
|
|
}
|
|
return import_attributes;
|
|
}
|
|
|
|
def_to_moz(AST_Export, function To_Moz_ExportDeclaration(M) {
|
|
if (M.exported_names) {
|
|
var first_exported = M.exported_names[0];
|
|
var first_exported_name = first_exported.name;
|
|
if (first_exported_name.name === '*' && !first_exported_name.quote) {
|
|
var foreign_name = first_exported.foreign_name;
|
|
var exported =
|
|
foreign_name.name === '*' && !foreign_name.quote ?
|
|
null
|
|
: to_moz(foreign_name);
|
|
return {
|
|
type: 'ExportAllDeclaration',
|
|
source: to_moz(M.module_name),
|
|
exported: exported,
|
|
attributes: import_attributes_to_moz(M.attributes),
|
|
};
|
|
}
|
|
return {
|
|
type: 'ExportNamedDeclaration',
|
|
specifiers: M.exported_names.map(function (name_mapping) {
|
|
return {
|
|
type: 'ExportSpecifier',
|
|
exported: to_moz(name_mapping.foreign_name),
|
|
local: to_moz(name_mapping.name),
|
|
};
|
|
}),
|
|
declaration: to_moz(M.exported_definition),
|
|
source: to_moz(M.module_name),
|
|
attributes: import_attributes_to_moz(M.attributes),
|
|
};
|
|
}
|
|
return {
|
|
type:
|
|
M.is_default ? 'ExportDefaultDeclaration' : 'ExportNamedDeclaration',
|
|
declaration: to_moz(M.exported_value || M.exported_definition),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Import, function To_Moz_ImportDeclaration(M) {
|
|
var specifiers = [];
|
|
if (M.imported_name) {
|
|
specifiers.push({
|
|
type: 'ImportDefaultSpecifier',
|
|
local: to_moz(M.imported_name),
|
|
});
|
|
}
|
|
if (M.imported_names) {
|
|
var first_imported_foreign_name = M.imported_names[0].foreign_name;
|
|
if (
|
|
first_imported_foreign_name.name === '*' &&
|
|
!first_imported_foreign_name.quote
|
|
) {
|
|
specifiers.push({
|
|
type: 'ImportNamespaceSpecifier',
|
|
local: to_moz(M.imported_names[0].name),
|
|
});
|
|
} else {
|
|
M.imported_names.forEach(function (name_mapping) {
|
|
specifiers.push({
|
|
type: 'ImportSpecifier',
|
|
local: to_moz(name_mapping.name),
|
|
imported: to_moz(name_mapping.foreign_name),
|
|
});
|
|
});
|
|
}
|
|
}
|
|
return {
|
|
type: 'ImportDeclaration',
|
|
specifiers: specifiers,
|
|
source: to_moz(M.module_name),
|
|
attributes: import_attributes_to_moz(M.attributes),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_ImportMeta, function To_Moz_MetaProperty() {
|
|
return {
|
|
type: 'MetaProperty',
|
|
meta: {
|
|
type: 'Identifier',
|
|
name: 'import',
|
|
},
|
|
property: {
|
|
type: 'Identifier',
|
|
name: 'meta',
|
|
},
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Sequence, function To_Moz_SequenceExpression(M) {
|
|
return {
|
|
type: 'SequenceExpression',
|
|
expressions: M.expressions.map(to_moz),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_DotHash, function To_Moz_PrivateMemberExpression(M) {
|
|
return {
|
|
type: 'MemberExpression',
|
|
object: to_moz(M.expression),
|
|
computed: false,
|
|
property: {
|
|
type: 'PrivateIdentifier',
|
|
name: M.property,
|
|
},
|
|
optional: M.optional,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_PropAccess, function To_Moz_MemberExpression(M) {
|
|
var isComputed = M instanceof AST_Sub;
|
|
return {
|
|
type: 'MemberExpression',
|
|
object: to_moz(M.expression),
|
|
computed: isComputed,
|
|
property:
|
|
isComputed ?
|
|
to_moz(M.property)
|
|
: { type: 'Identifier', name: M.property },
|
|
optional: M.optional,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Chain, function To_Moz_ChainExpression(M) {
|
|
return {
|
|
type: 'ChainExpression',
|
|
expression: to_moz(M.expression),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Unary, function To_Moz_Unary(M) {
|
|
return {
|
|
type:
|
|
M.operator == '++' || M.operator == '--' ?
|
|
'UpdateExpression'
|
|
: 'UnaryExpression',
|
|
operator: M.operator,
|
|
prefix: M instanceof AST_UnaryPrefix,
|
|
argument: to_moz(M.expression),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Binary, function To_Moz_BinaryExpression(M) {
|
|
if (M.operator == '=' && to_moz_in_destructuring()) {
|
|
return {
|
|
type: 'AssignmentPattern',
|
|
left: to_moz(M.left),
|
|
right: to_moz(M.right),
|
|
};
|
|
}
|
|
|
|
const type =
|
|
M.operator == '&&' || M.operator == '||' || M.operator === '??' ?
|
|
'LogicalExpression'
|
|
: 'BinaryExpression';
|
|
|
|
return {
|
|
type,
|
|
left: to_moz(M.left),
|
|
operator: M.operator,
|
|
right: to_moz(M.right),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_PrivateIn, function To_Moz_BinaryExpression_PrivateIn(M) {
|
|
return {
|
|
type: 'BinaryExpression',
|
|
left: { type: 'PrivateIdentifier', name: M.key.name },
|
|
operator: 'in',
|
|
right: to_moz(M.value),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Array, function To_Moz_ArrayExpression(M) {
|
|
return {
|
|
type: 'ArrayExpression',
|
|
elements: M.elements.map(to_moz),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Object, function To_Moz_ObjectExpression(M) {
|
|
return {
|
|
type: 'ObjectExpression',
|
|
properties: M.properties.map(to_moz),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_ObjectProperty, function To_Moz_Property(M, parent) {
|
|
var key =
|
|
M.key instanceof AST_Node ?
|
|
to_moz(M.key)
|
|
: {
|
|
type: 'Identifier',
|
|
value: M.key,
|
|
};
|
|
if (typeof M.key === 'number') {
|
|
key = {
|
|
type: 'Literal',
|
|
value: Number(M.key),
|
|
};
|
|
}
|
|
if (typeof M.key === 'string') {
|
|
key = {
|
|
type: 'Identifier',
|
|
name: M.key,
|
|
};
|
|
}
|
|
var kind;
|
|
var string_or_num = typeof M.key === 'string' || typeof M.key === 'number';
|
|
var computed =
|
|
string_or_num ? false : (
|
|
!(M.key instanceof AST_Symbol) || M.key instanceof AST_SymbolRef
|
|
);
|
|
if (M instanceof AST_ObjectKeyVal) {
|
|
kind = 'init';
|
|
computed = !string_or_num;
|
|
} else if (M instanceof AST_ObjectGetter) {
|
|
kind = 'get';
|
|
} else if (M instanceof AST_ObjectSetter) {
|
|
kind = 'set';
|
|
}
|
|
if (M instanceof AST_PrivateGetter || M instanceof AST_PrivateSetter) {
|
|
const kind = M instanceof AST_PrivateGetter ? 'get' : 'set';
|
|
return {
|
|
type: 'MethodDefinition',
|
|
computed: false,
|
|
kind: kind,
|
|
static: M.static,
|
|
key: {
|
|
type: 'PrivateIdentifier',
|
|
name: M.key.name,
|
|
},
|
|
value: to_moz(M.value),
|
|
};
|
|
}
|
|
if (M instanceof AST_ClassPrivateProperty) {
|
|
return {
|
|
type: 'PropertyDefinition',
|
|
key: {
|
|
type: 'PrivateIdentifier',
|
|
name: M.key.name,
|
|
},
|
|
value: to_moz(M.value),
|
|
computed: false,
|
|
static: M.static,
|
|
};
|
|
}
|
|
if (M instanceof AST_ClassProperty) {
|
|
return {
|
|
type: 'PropertyDefinition',
|
|
key,
|
|
value: to_moz(M.value),
|
|
computed,
|
|
static: M.static,
|
|
};
|
|
}
|
|
if (parent instanceof AST_Class) {
|
|
return {
|
|
type: 'MethodDefinition',
|
|
computed: computed,
|
|
kind: kind,
|
|
static: M.static,
|
|
key: to_moz(M.key),
|
|
value: to_moz(M.value),
|
|
};
|
|
}
|
|
return {
|
|
type: 'Property',
|
|
computed: computed,
|
|
kind: kind,
|
|
key: key,
|
|
value: to_moz(M.value),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_ConciseMethod, function To_Moz_MethodDefinition(M, parent) {
|
|
if (parent instanceof AST_Object) {
|
|
return {
|
|
type: 'Property',
|
|
computed:
|
|
!(M.key instanceof AST_Symbol) || M.key instanceof AST_SymbolRef,
|
|
kind: 'init',
|
|
method: true,
|
|
shorthand: false,
|
|
key: to_moz(M.key),
|
|
value: to_moz(M.value),
|
|
};
|
|
}
|
|
|
|
return {
|
|
type: 'MethodDefinition',
|
|
kind: M.key === 'constructor' ? 'constructor' : 'method',
|
|
key: to_moz(M.key),
|
|
value: to_moz(M.value),
|
|
computed:
|
|
!(M.key instanceof AST_Symbol) || M.key instanceof AST_SymbolRef,
|
|
static: M.static,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_PrivateMethod, function To_Moz_MethodDefinition(M) {
|
|
return {
|
|
type: 'MethodDefinition',
|
|
kind: 'method',
|
|
key: { type: 'PrivateIdentifier', name: M.key.name },
|
|
value: to_moz(M.value),
|
|
computed: false,
|
|
static: M.static,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Class, function To_Moz_Class(M) {
|
|
var type =
|
|
M instanceof AST_ClassExpression ? 'ClassExpression' : 'ClassDeclaration';
|
|
return {
|
|
type: type,
|
|
superClass: to_moz(M.extends),
|
|
id: M.name ? to_moz(M.name) : null,
|
|
body: {
|
|
type: 'ClassBody',
|
|
body: M.properties.map(to_moz),
|
|
},
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_ClassStaticBlock, function To_Moz_StaticBlock(M) {
|
|
return {
|
|
type: 'StaticBlock',
|
|
body: M.body.map(to_moz),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_NewTarget, function To_Moz_MetaProperty() {
|
|
return {
|
|
type: 'MetaProperty',
|
|
meta: {
|
|
type: 'Identifier',
|
|
name: 'new',
|
|
},
|
|
property: {
|
|
type: 'Identifier',
|
|
name: 'target',
|
|
},
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Symbol, function To_Moz_Identifier(M, parent) {
|
|
if (
|
|
(M instanceof AST_SymbolMethod && parent.quote) ||
|
|
((M instanceof AST_SymbolImportForeign ||
|
|
M instanceof AST_SymbolExportForeign ||
|
|
M instanceof AST_SymbolExport) &&
|
|
M.quote)
|
|
) {
|
|
return {
|
|
type: 'Literal',
|
|
value: M.name,
|
|
};
|
|
}
|
|
var def = M.definition();
|
|
return {
|
|
type: 'Identifier',
|
|
name: def ? def.mangled_name || def.name : M.name,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_RegExp, function To_Moz_RegExpLiteral(M) {
|
|
const pattern = M.value.source;
|
|
const flags = M.value.flags;
|
|
return {
|
|
type: 'Literal',
|
|
value: null,
|
|
raw: M.print_to_string(),
|
|
regex: { pattern, flags },
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Constant, function To_Moz_Literal(M) {
|
|
var value = M.value;
|
|
return {
|
|
type: 'Literal',
|
|
value: value,
|
|
raw: M.raw || M.print_to_string(),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Atom, function To_Moz_Atom(M) {
|
|
return {
|
|
type: 'Identifier',
|
|
name: String(M.value),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_BigInt, (M) => ({
|
|
type: 'Literal',
|
|
// value cannot be represented natively
|
|
// see: https://github.com/estree/estree/blob/master/es2020.md#bigintliteral
|
|
value: null,
|
|
// `M.value` is a string that may be a hex number representation.
|
|
// but "bigint" property should have only decimal digits
|
|
bigint: typeof BigInt === 'function' ? BigInt(M.value).toString() : M.value,
|
|
}));
|
|
|
|
AST_Boolean.DEFMETHOD(
|
|
'to_mozilla_ast',
|
|
AST_Constant.prototype.to_mozilla_ast
|
|
);
|
|
AST_Null.DEFMETHOD('to_mozilla_ast', AST_Constant.prototype.to_mozilla_ast);
|
|
AST_Hole.DEFMETHOD('to_mozilla_ast', function To_Moz_ArrayHole() {
|
|
return null;
|
|
});
|
|
|
|
AST_Block.DEFMETHOD(
|
|
'to_mozilla_ast',
|
|
AST_BlockStatement.prototype.to_mozilla_ast
|
|
);
|
|
AST_Lambda.DEFMETHOD('to_mozilla_ast', AST_Function.prototype.to_mozilla_ast);
|
|
|
|
/* -----[ tools ]----- */
|
|
|
|
function my_start_token(moznode) {
|
|
var loc = moznode.loc,
|
|
start = loc && loc.start;
|
|
var range = moznode.range;
|
|
return new AST_Token(
|
|
'',
|
|
'',
|
|
(start && start.line) || 0,
|
|
(start && start.column) || 0,
|
|
range ? range[0] : moznode.start,
|
|
false,
|
|
[],
|
|
[],
|
|
loc && loc.source
|
|
);
|
|
}
|
|
|
|
function my_end_token(moznode) {
|
|
var loc = moznode.loc,
|
|
end = loc && loc.end;
|
|
var range = moznode.range;
|
|
return new AST_Token(
|
|
'',
|
|
'',
|
|
(end && end.line) || 0,
|
|
(end && end.column) || 0,
|
|
range ? range[0] : moznode.end,
|
|
false,
|
|
[],
|
|
[],
|
|
loc && loc.source
|
|
);
|
|
}
|
|
|
|
var FROM_MOZ_STACK = null;
|
|
|
|
function from_moz(node) {
|
|
FROM_MOZ_STACK.push(node);
|
|
var ret = node != null ? MOZ_TO_ME[node.type](node) : null;
|
|
FROM_MOZ_STACK.pop();
|
|
return ret;
|
|
}
|
|
|
|
AST_Node.from_mozilla_ast = function (node) {
|
|
var save_stack = FROM_MOZ_STACK;
|
|
FROM_MOZ_STACK = [];
|
|
var ast = from_moz(node);
|
|
FROM_MOZ_STACK = save_stack;
|
|
return ast;
|
|
};
|
|
|
|
function set_moz_loc(mynode, moznode) {
|
|
var start = mynode.start;
|
|
var end = mynode.end;
|
|
if (!(start && end)) {
|
|
return moznode;
|
|
}
|
|
if (start.pos != null && end.endpos != null) {
|
|
moznode.range = [start.pos, end.endpos];
|
|
}
|
|
if (start.line) {
|
|
moznode.loc = {
|
|
start: { line: start.line, column: start.col },
|
|
end: end.endline ? { line: end.endline, column: end.endcol } : null,
|
|
};
|
|
if (start.file) {
|
|
moznode.loc.source = start.file;
|
|
}
|
|
}
|
|
return moznode;
|
|
}
|
|
|
|
function def_to_moz(mytype, handler) {
|
|
mytype.DEFMETHOD('to_mozilla_ast', function (parent) {
|
|
return set_moz_loc(this, handler(this, parent));
|
|
});
|
|
}
|
|
|
|
var TO_MOZ_STACK = null;
|
|
|
|
function to_moz(node) {
|
|
if (TO_MOZ_STACK === null) {
|
|
TO_MOZ_STACK = [];
|
|
}
|
|
TO_MOZ_STACK.push(node);
|
|
var ast =
|
|
node != null ?
|
|
node.to_mozilla_ast(TO_MOZ_STACK[TO_MOZ_STACK.length - 2])
|
|
: null;
|
|
TO_MOZ_STACK.pop();
|
|
if (TO_MOZ_STACK.length === 0) {
|
|
TO_MOZ_STACK = null;
|
|
}
|
|
return ast;
|
|
}
|
|
|
|
function to_moz_in_destructuring() {
|
|
var i = TO_MOZ_STACK.length;
|
|
while (i--) {
|
|
if (TO_MOZ_STACK[i] instanceof AST_Destructuring) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function to_moz_block(node) {
|
|
return {
|
|
type: 'BlockStatement',
|
|
body: node.body.map(to_moz),
|
|
};
|
|
}
|
|
|
|
function to_moz_scope(type, node) {
|
|
var body = node.body.map(to_moz);
|
|
if (
|
|
node.body[0] instanceof AST_SimpleStatement &&
|
|
node.body[0].body instanceof AST_String
|
|
) {
|
|
body.unshift(to_moz(new AST_EmptyStatement(node.body[0])));
|
|
}
|
|
return {
|
|
type: type,
|
|
body: body,
|
|
};
|
|
}
|
|
})();
|