Parser and Assembler implementations

Source/Core/Common/Assembler/GekkoIRGen.h

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+// Copyright 2023 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <string_view>
+#include <vector>
+
+#include "Common/Assembler/AssemblerShared.h"
+#include "Common/Assembler/GekkoLexer.h"
+#include "Common/CommonTypes.h"
+
+namespace Common::GekkoAssembler::detail
+{
+struct GekkoInstruction
+{
+  // Combination of a mnemonic index and variant:
+  // (<GekkoMnemonic> << 2) | (<variant bits>)
+  size_t mnemonic_index = 0;
+  // Below refers to GekkoParseResult::operand_pool
+  Interval op_interval = Interval{0, 0};
+  // Literal text of this instruction
+  std::string_view raw_text;
+  size_t line_number = 0;
+  bool is_extended = false;
+};
+
+using InstChunk = std::vector<GekkoInstruction>;
+using ByteChunk = std::vector<u8>;
+using PadChunk = size_t;
+using ChunkVariant = std::variant<InstChunk, ByteChunk, PadChunk>;
+
+struct IRBlock
+{
+  explicit IRBlock(u32 address) : block_address(address) {}
+
+  u32 BlockEndAddress() const;
+
+  std::vector<ChunkVariant> chunks;
+  u32 block_address;
+};
+
+struct GekkoIR
+{
+  std::vector<IRBlock> blocks;
+  std::vector<Tagged<Interval, u32>> operand_pool;
+};
+
+FailureOr<GekkoIR> ParseToIR(std::string_view assembly, u32 base_virtual_address);
+}  // namespace Common::GekkoAssembler::detail