gsc-tool/src/iw5/xsk/assembler.hpp
2021-05-08 18:15:25 +02:00

41 lines
1.6 KiB
C++

// Copyright 2021 xensik. All rights reserved.
//
// Use of this source code is governed by a GNU GPLv3 license
// that can be found in the LICENSE file.
#pragma once
namespace xsk::gsc::iw5
{
class assembler : public gsc::assembler
{
std::string filename_;
utils::byte_buffer_ptr script_;
utils::byte_buffer_ptr stack_;
std::vector<gsc::function_ptr> functions_;
std::unordered_map<std::uint32_t, std::string> labels_;
public:
auto output_script() -> std::vector<std::uint8_t>;
auto output_stack() -> std::vector<std::uint8_t>;
void assemble(const std::string& file, std::vector<std::uint8_t>& data);
void assemble(const std::string& file, std::vector<gsc::function_ptr>& functions);
private:
void assemble_function(const gsc::function_ptr& func);
void assemble_instruction(const gsc::instruction_ptr& inst);
void assemble_builtin_call(const gsc::instruction_ptr& inst, bool method, bool arg_num);
void assemble_local_call(const gsc::instruction_ptr& inst, bool thread);
void assemble_far_call(const gsc::instruction_ptr& inst, bool thread);
void assemble_switch(const gsc::instruction_ptr& inst);
void assemble_end_switch(const gsc::instruction_ptr& inst);
void assemble_field_variable(const gsc::instruction_ptr& inst);
void assemble_jump(const gsc::instruction_ptr& inst, bool expr, bool back);
void assemble_offset(std::int32_t offset);
auto resolve_function(const std::string& name) -> std::uint32_t;
auto resolve_label(const std::string& name) -> std::uint32_t;
};
} // namespace xsk::gsc::iw5