code (#4)

Reviewed-on: #4
2026-04-29 14:44:33 -05:00
parent 54729c1e14
commit 148c98e642
13 changed files with 424 additions and 79 deletions
--- a/src/vm/instruction.hh
+++ b/src/vm/instruction.hh
@@ -0,0 +1,103 @@
+#ifndef TYCHE_INSTRUCTION_HH
+#define TYCHE_INSTRUCTION_HH
+
+#include <cstdint>
+#include <string>
+#include <utility>
+
+#include "../bytecode/bytecode.hh"
+
+namespace tyche {
+
+enum class Instruction : uint8_t {
+
+    // stack operations
+    PushInt8        = 0xa0,
+    PushInt16       = 0xc0,
+    PushInt32       = 0xe0,
+    PushConstant8   = 0xa1,
+    PushConstant16  = 0xc1,
+    PushConstant32  = 0xe1,
+    PushZero        = 0x00,
+    PushTrue        = 0x01,
+    NewArray        = 0x02,
+    NewTable        = 0x03,
+    Pop             = 0x04,
+    Duplicate       = 0x05,
+
+    // local variables
+    SetLocal8       = 0xa3,
+    SetLocal16      = 0xc3,
+    SetLocal32      = 0xe3,
+    GetLocal8       = 0xa4,
+    GetLocal16      = 0xc4,
+    GetLocal32      = 0xe4,
+    SetGlobal8      = 0xa5,
+    SetGlobal16     = 0xc5,
+    SetGlobal32     = 0xe5,
+    GetGlobal8      = 0xa6,
+    GetGlobal16     = 0xc6,
+    GetGlobal32     = 0xe6,
+
+    // function operations
+    Call8           = 0xa7,
+    Call16          = 0xc7,
+    Call32          = 0xe7,
+    Return          = 0x10,
+    ReturnNil       = 0x11,
+
+    // table and array operations
+    GetKeyValue     = 0x16,
+    SetKeyValue     = 0x17,
+    GetArrayItem    = 0x18,
+    SetArrayItem    = 0x19,
+    Append          = 0x1a,
+    Next            = 0x1b,
+    SetMetatable    = 0x1c,
+    GetMetatable    = 0x1d,
+
+    // logical/arithmetic
+    Sum             = 0x20,
+    Subtract        = 0x21,
+    Multiply        = 0x22,
+    Divide          = 0x23,
+    DivideInt       = 0x24,
+    Equals          = 0x25,
+    NotEquals       = 0x26,
+    LessThan        = 0x27,
+    LessThanEq      = 0x28,
+    GreaterThan     = 0x29,
+    GreaterThanEq   = 0x2a,
+    And             = 0x2b,
+    Or              = 0x2c,
+    Xor             = 0x2d,
+
+    // other value operations
+    Len             = 0x30,
+    Type            = 0x31,
+    Cast            = 0x32,
+    Version         = 0x33,
+
+    // control flow
+    BranchIfZero8     = 0xa8,
+    BranchIfZero16    = 0xc8,
+    BranchIfZero32    = 0xe8,
+    BranchIfNotZero8  = 0xa9,
+    BranchIfNotZero16 = 0xc9,
+    BranchIfNotZero32 = 0xe9,
+    Jump8             = 0xaa,
+    Jump16            = 0xca,
+    Jump32            = 0xea,
+
+    // external code
+    Compile         = 0x38,
+    Assemble        = 0x39,
+    Load            = 0x3a,
+};
+
+std::pair<std::string, size_t> debug_instruction(Instruction inst, int oper=0);
+std::pair<std::string, size_t> debug_instruction(Bytecode const& bt, uint32_t function_id, uint32_t addr);
+
+}
+
+#endif //TYCHE_INSTRUCTION_HH