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#include <stdio.h>
#include "debug.h"
#include "value.h"
void disassembleChunk(Chunk* chunk, const char* name) {
printf("== %s ==\n", name);
for (int offset = 0; offset < chunk->count;) {
offset = disassembleInstruction(chunk, offset);
}
}
static int constantInstruction(const char* name, Chunk* chunk, int offset) {
uint8_t constant = chunk->code[offset + 1];
printf("%-16s %4d '", name, constant);
printValue(chunk->constants.values[constant]);
printf("'\n");
return offset + 2;
}
static int simpleInstruction(const char* name, int offset) {
printf("%s\n", name);
return offset + 1;
}
int disassembleInstruction(Chunk* chunk, int offset) {
printf("%04d ", offset);
if (offset > 0 &&
chunk->lines[offset] == chunk->lines[offset - 1]) {
printf(" | ");
} else {
printf("%4d ", chunk->lines[offset]);
}
uint8_t instruction = chunk->code[offset];
switch (instruction) {
case OP_CONSTANT:
return constantInstruction("OP_CONSTANT", chunk, offset);
case OP_RETURN:
return simpleInstruction("OP_RETURN", offset);
default:
printf("Unknown opcode %d\n", instruction);
return offset + 1;
}
}
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