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| |
| #include <private/qv4bytecodehandler_p.h> |
| |
| QT_USE_NAMESPACE |
| using namespace QV4; |
| using namespace Moth; |
| |
| ByteCodeHandler::~ByteCodeHandler() |
| { |
| } |
| |
| #define DISPATCH_INSTRUCTION(name, nargs, ...) \ |
| generate_##name( \ |
| __VA_ARGS__ \ |
| ); |
| |
| #define DECODE_AND_DISPATCH(instr) \ |
| { \ |
| INSTR_##instr(MOTH_DECODE_WITH_BASE) \ |
| Q_UNUSED(base_ptr); \ |
| _currentOffset = _nextOffset; \ |
| _nextOffset = code - start; \ |
| if (startInstruction(Instr::Type::instr) == ProcessInstruction) { \ |
| INSTR_##instr(DISPATCH) \ |
| endInstruction(Instr::Type::instr); \ |
| } \ |
| continue; \ |
| } |
| |
| void ByteCodeHandler::decode(const char *code, uint len) |
| { |
| MOTH_JUMP_TABLE; |
| |
| const char *start = code; |
| const char *end = code + len; |
| while (code < end) { |
| MOTH_DISPATCH() |
| |
| FOR_EACH_MOTH_INSTR(DECODE_AND_DISPATCH) |
| } |
| } |
| |
| #undef DECODE_AND_DISPATCH |
| #undef DISPATCH_INSTRUCTION |