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feat: 添加跳转指令支持及条件语句编译实现

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PuqiAR
2026-02-20 17:02:13 +08:00
parent eb20993e27
commit abdb1d2fb0
8 changed files with 225 additions and 17 deletions
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13
src/Bytecode/Bytecode.hpp
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@@ -24,6 +24,9 @@ namespace Fig
LoadK, // iABx 模式: R[A] = Constants[Bx]
Return, // iA 模式: 返回 R[A] 的值
Jmp, // iAsBx: ip += sBx 无条件跳转
JmpIfFalse, // iAsBx: 如果 R[A] 为假, ip += sBx
Mov, // iABx: R[A] = R[Bx]
Add, // iABC: R[A] = R[B] + R[C]
Sub, // iABC: R[A] = R[B] - R[C]
@@ -52,10 +55,18 @@ namespace Fig
}
// [OpCode: 8] [A: 8] [B: 8] [C: 8]
[[nodiscard]] inline constexpr Instruction iABC(OpCode op, std::uint8_t a, std::uint8_t b, std::uint8_t c)
[[nodiscard]] inline constexpr Instruction iABC(
OpCode op, std::uint8_t a, std::uint8_t b, std::uint8_t c)
{
return static_cast<std::uint32_t>(op) | (static_cast<std::uint32_t>(a) << 8)
| (static_cast<std::uint32_t>(b) << 16) | (static_cast<std::uint32_t>(c) << 24);
}
[[nodiscard]]
inline constexpr Instruction iAsBx(OpCode op, std::uint8_t a, std::int16_t sbx)
{
return static_cast<std::uint32_t>(op) | (static_cast<std::uint32_t>(a) << 8)
| (static_cast<std::uint32_t>(static_cast<std::uint16_t>(sbx)) << 16);
}
} // namespace Op
} // namespace Fig