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#ifndef BDL_DEBUG_H
#define BDL_DEBUG_H
#include "chunk.h"
void disassemble_chunk(Chunk *chunk, const char *name);
size_t disassemble_instruction(Chunk *chunk, size_t offset);
void
disassemble_chunk(Chunk *chunk, const char *name) {
printf("== %s ==\n", name);
printf("code:\n");
size_t offset = 0;
while (offset < array_size(chunk->code)) {
offset = disassemble_instruction(chunk, offset);
}
printf("\nconstants:\n");
offset = 0;
while (offset < array_size(chunk->constants)) {
printf("\t%04ld -> ", offset);
display(chunk->constants[offset]);
printf("\n");
offset++;
}
}
size_t
disassemble_instruction(Chunk *chunk, size_t offset) {
printf("\t%04ld ", offset);
if (offset > 0
&& chunk->lines[offset].line == chunk->lines[offset - 1].line
&& chunk->lines[offset].col == chunk->lines[offset - 1].col) {
printf("%4s|%-4s ", " ", " ");
} else {
printf("%4ld:%-4ld ", chunk->lines[offset].line, chunk->lines[offset].col);
}
u8 instruction = chunk->code[offset];
switch (instruction) {
case OP_CONSTANT: {
u8 constant = chunk->code[offset + 1];
printf("%-16s %4d -> ", "OP_CONSTANT", constant);
display(chunk->constants[constant]);
printf("\n");
return offset + 2;
} break;
case OP_SUM: { printf("OP_SUM\n"); return offset + 1; } break;
case OP_SUB: { printf("OP_SUB\n"); return offset + 1; } break;
case OP_MUL: { printf("OP_MUL\n"); return offset + 1; } break;
case OP_DIV: { printf("OP_DIV\n"); return offset + 1; } break;
case OP_MOD: { printf("OP_MOD\n"); return offset + 1; } break;
case OP_RETURN: { printf("OP_RETURN\n"); return offset + 1; } break;
default: {
printf("Unknown OP: %d\n", instruction);
return offset + 1;
} break;
}
}
#endif // BDL_DEBUG_H
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