65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
#pragma once
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#include "kuroko.h"
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#include "value.h"
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/**
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* Opcodes
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*
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* These are pretty much entirely based on the clox opcodes from the book.
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* There's not really much else to add here, since the VM is sufficient for
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* our needs. Most of the interesting changes happen in the compiler.
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*/
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typedef enum {
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OP_CONSTANT,
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OP_CONSTANT_LONG,
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OP_NEGATE,
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OP_RETURN,
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OP_ADD,
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OP_SUBTRACT,
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OP_MULTIPLY,
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OP_DIVIDE,
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OP_NONE,
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OP_TRUE,
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OP_FALSE,
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OP_NOT,
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OP_POP,
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OP_EQUAL,
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OP_GREATER,
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OP_LESS,
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OP_PRINT,
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OP_DEFINE_GLOBAL,
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OP_DEFINE_GLOBAL_LONG,
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OP_GET_GLOBAL,
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OP_GET_GLOBAL_LONG,
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OP_SET_GLOBAL,
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OP_SET_GLOBAL_LONG,
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OP_SET_LOCAL,
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OP_SET_LOCAL_LONG,
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OP_GET_LOCAL,
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OP_GET_LOCAL_LONG,
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OP_JUMP_IF_FALSE,
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OP_JUMP_IF_TRUE,
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OP_JUMP,
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OP_LOOP,
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OP_CALL,
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} KrkOpCode;
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/**
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* Bytecode chunks
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*/
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typedef struct {
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size_t count;
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size_t capacity;
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uint8_t * code;
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size_t * lines;
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KrkValueArray constants;
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} KrkChunk;
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extern void krk_initChunk(KrkChunk * chunk);
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extern void krk_writeChunk(KrkChunk * chunk, uint8_t byte, size_t line);
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extern void krk_freeChunk(KrkChunk * chunk);
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extern size_t krk_addConstant(KrkChunk * chunk, KrkValue value);
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extern void krk_emitConstant(KrkChunk * chunk, size_t ind, size_t line);
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extern size_t krk_writeConstant(KrkChunk * chunk, KrkValue value, size_t line);
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