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| author | Irit Katriel <1055913+iritkatriel@users.noreply.github.com> | 2023-08-02 17:16:57 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-08-02 17:16:57 (GMT) |
| commit | dd693d6320feeca887174fa592537669d017ca9b (patch) | |
| tree | 488cbb4232bf30180f2a6bf316c15356ada77935 /Lib | |
| parent | b9c9a36c2f2edc11b9c27eb7c5810919d9da9767 (diff) | |
| download | cpython-dd693d6320feeca887174fa592537669d017ca9b.zip cpython-dd693d6320feeca887174fa592537669d017ca9b.tar.gz cpython-dd693d6320feeca887174fa592537669d017ca9b.tar.bz2 | |
gh-105481: simplify definition of pseudo ops in Lib/opcode.py (#107561)
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/opcode.py | 44 |
1 files changed, 15 insertions, 29 deletions
diff --git a/Lib/opcode.py b/Lib/opcode.py index 51432ab..5a9f8dd 100644 --- a/Lib/opcode.py +++ b/Lib/opcode.py @@ -19,23 +19,11 @@ if sys.version_info[:2] >= (3, 13): cmp_op = ('<', '<=', '==', '!=', '>', '>=') -def is_pseudo(op): - return op >= MIN_PSEUDO_OPCODE and op <= MAX_PSEUDO_OPCODE - opmap = {} -# pseudo opcodes (used in the compiler) mapped to the values -# they can become in the actual code. -_pseudo_ops = {} - def def_op(name, op): opmap[name] = op -def pseudo_op(name, op, real_ops): - def_op(name, op) - _pseudo_ops[name] = real_ops - - # Instruction opcodes for compiled code # Blank lines correspond to available opcodes @@ -212,29 +200,27 @@ def_op('INSTRUMENTED_LINE', 254) # 255 is reserved -MIN_PSEUDO_OPCODE = 256 - -pseudo_op('SETUP_FINALLY', 256, ['NOP']) -pseudo_op('SETUP_CLEANUP', 257, ['NOP']) -pseudo_op('SETUP_WITH', 258, ['NOP']) -pseudo_op('POP_BLOCK', 259, ['NOP']) +# Pseudo ops are above 255: -pseudo_op('JUMP', 260, ['JUMP_FORWARD', 'JUMP_BACKWARD']) -pseudo_op('JUMP_NO_INTERRUPT', 261, ['JUMP_FORWARD', 'JUMP_BACKWARD_NO_INTERRUPT']) +def_op('SETUP_FINALLY', 256) +def_op('SETUP_CLEANUP', 257) +def_op('SETUP_WITH', 258) +def_op('POP_BLOCK', 259) -pseudo_op('LOAD_METHOD', 262, ['LOAD_ATTR']) -pseudo_op('LOAD_SUPER_METHOD', 263, ['LOAD_SUPER_ATTR']) -pseudo_op('LOAD_ZERO_SUPER_METHOD', 264, ['LOAD_SUPER_ATTR']) -pseudo_op('LOAD_ZERO_SUPER_ATTR', 265, ['LOAD_SUPER_ATTR']) +def_op('JUMP', 260) +def_op('JUMP_NO_INTERRUPT', 261) -pseudo_op('STORE_FAST_MAYBE_NULL', 266, ['STORE_FAST']) -pseudo_op('LOAD_CLOSURE', 267, ['LOAD_FAST']) +def_op('LOAD_METHOD', 262) +def_op('LOAD_SUPER_METHOD', 263) +def_op('LOAD_ZERO_SUPER_METHOD', 264) +def_op('LOAD_ZERO_SUPER_ATTR', 265) -MAX_PSEUDO_OPCODE = MIN_PSEUDO_OPCODE + len(_pseudo_ops) - 1 +def_op('STORE_FAST_MAYBE_NULL', 266) +def_op('LOAD_CLOSURE', 267) -del def_op, pseudo_op +del def_op -opname = ['<%r>' % (op,) for op in range(MAX_PSEUDO_OPCODE + 1)] +opname = ['<%r>' % (op,) for op in range(max(opmap.values()) + 1)] for op, i in opmap.items(): opname[i] = op |