Details for a bytecode operation. Defined fields: opname - human readable name for operation opcode - numeric code for operation arg - numeric argument to operation (if any), otherwise None argval - resolved arg value (if known), otherwise same as arg
| 358 | return target |
| 359 | |
| 360 | class Instruction(_Instruction): |
| 361 | """Details for a bytecode operation. |
| 362 | |
| 363 | Defined fields: |
| 364 | opname - human readable name for operation |
| 365 | opcode - numeric code for operation |
| 366 | arg - numeric argument to operation (if any), otherwise None |
| 367 | argval - resolved arg value (if known), otherwise same as arg |
| 368 | argrepr - human readable description of operation argument |
| 369 | offset - start index of operation within bytecode sequence |
| 370 | start_offset - start index of operation within bytecode sequence including extended args if present; |
| 371 | otherwise equal to Instruction.offset |
| 372 | starts_line - True if this opcode starts a source line, otherwise False |
| 373 | line_number - source line number associated with this opcode (if any), otherwise None |
| 374 | label - A label if this instruction is a jump target, otherwise None |
| 375 | positions - Optional dis.Positions object holding the span of source code |
| 376 | covered by this instruction |
| 377 | cache_info - information about the format and content of the instruction's cache |
| 378 | entries (if any) |
| 379 | """ |
| 380 | |
| 381 | @staticmethod |
| 382 | def make( |
| 383 | opname, arg, argval, argrepr, offset, start_offset, starts_line, |
| 384 | line_number, label=None, positions=None, cache_info=None |
| 385 | ): |
| 386 | return Instruction(opname, _all_opmap[opname], arg, argval, argrepr, offset, |
| 387 | start_offset, starts_line, line_number, label, positions, cache_info) |
| 388 | |
| 389 | @property |
| 390 | def oparg(self): |
| 391 | """Alias for Instruction.arg.""" |
| 392 | return self.arg |
| 393 | |
| 394 | @property |
| 395 | def baseopcode(self): |
| 396 | """Numeric code for the base operation if operation is specialized. |
| 397 | |
| 398 | Otherwise equal to Instruction.opcode. |
| 399 | """ |
| 400 | return _deoptop(self.opcode) |
| 401 | |
| 402 | @property |
| 403 | def baseopname(self): |
| 404 | """Human readable name for the base operation if operation is specialized. |
| 405 | |
| 406 | Otherwise equal to Instruction.opname. |
| 407 | """ |
| 408 | return opname[self.baseopcode] |
| 409 | |
| 410 | @property |
| 411 | def cache_offset(self): |
| 412 | """Start index of the cache entries following the operation.""" |
| 413 | return self.offset + 2 |
| 414 | |
| 415 | @property |
| 416 | def end_offset(self): |
| 417 | """End index of the cache entries following the operation.""" |
no outgoing calls
no test coverage detected