chore: flat out the file structure

2026-09-11 18:48:16 +02:00
parent 959d0a7773
commit 3b98f77c08
78 changed files with 76 additions and 40 deletions
@@ -0,0 +1,104 @@
+#ifndef FURVM_INSTRUCTION_HPP
+#define FURVM_INSTRUCTION_HPP
+
+#include "furlang/view.hpp"
+#include "furvm/fwd.hpp"
+
+#include <cstddef>
+#include <vector>
+
+namespace furvm {
+
+struct instruction_argument {
+    enum type_e {
+        None = 0,
+        S8,
+        U8,
+        S16,
+        U16,
+        S32,
+        U32,
+        Constant,
+        Type,
+        Variable,
+        GlobalVariable,
+        Function,
+        Offset,
+
+        Count,
+    } type;
+    union {
+        std::int8_t   s8;
+        std::uint8_t  u8;
+        std::int16_t  s16;
+        std::uint16_t u16;
+        std::int32_t  s32;
+        std::uint32_t u32;
+    };
+
+    static const std::size_t s_sizes[Count];
+    static const bool        s_signedness[Count];
+
+    std::size_t size() const { return s_sizes[type]; }
+    bool        is_signed() const { return s_signedness[type]; }
+};
+
+using instruction_argument_t = instruction_argument::type_e;
+
+struct instruction {
+    enum type_e : byte {
+        NoOperation = 0,
+        PushS8,
+        PushU8,
+        PushS16,
+        PushU16,
+        PushS32,
+        PushU32,
+        PushConstant,
+        Array,
+        Slice,
+        Get,
+        Set,
+        Drop,
+        Duplicate,
+        Swap,
+        Clone,
+        Reference,
+        Add,
+        Sub,
+        Mul,
+        Div,
+        Mod,
+        Equals,
+        NotEquals,
+        LessThan,
+        GreaterThan,
+        LessEqual,
+        GreaterEqual,
+        Pointerof,
+        Sizeof,
+        Lengthof,
+        Load,
+        Store,
+        LoadGlobal,
+        StoreGlobal,
+        Call,
+        Jump,
+        JumpNotZero,
+        Return,
+
+        Count,
+    } type;
+    instruction_argument arg;
+
+    static const instruction_argument_t s_arguments[Count];
+
+    std::size_t read(furlang::view<std::uint8_t> in);
+    std::size_t write(std::vector<std::uint8_t>& out) const;
+};
+
+using instruction_t = instruction::type_e;
+
+} // namespace furvm
+
+#endif // FURVM_INSTRUCTION_HPP