Python 3.4 correct grammar for some looping constructs

This commit is contained in:
rocky 2015-12-17 10:29:27 -05:00
parent 87a3c5d687
commit 3604933a74
2 changed files with 16 additions and 3 deletions

View File

@ -3,9 +3,11 @@ opcode module - potentially shared between dis and other modules which
operate on bytecodes (e.g. peephole optimizers).
"""
# Note: this should look exactly like Python 3.4's opcode.py
__all__ = ["cmp_op", "hasconst", "hasname", "hasjrel", "hasjabs",
"haslocal", "hascompare", "hasfree", "opname", "opmap",
"HAVE_ARGUMENT", "EXTENDED_ARG"]
"HAVE_ARGUMENT", "EXTENDED_ARG", "hasnargs"]
cmp_op = ('<', '<=', '==', '!=', '>', '>=', 'in', 'not in', 'is',
'is not', 'exception match', 'BAD')
@ -17,6 +19,7 @@ hasjabs = []
haslocal = []
hascompare = []
hasfree = []
hasnargs = []
opmap = {}
opname = [''] * 256
@ -83,10 +86,13 @@ def_op('BINARY_XOR', 65)
def_op('BINARY_OR', 66)
def_op('INPLACE_POWER', 67)
def_op('GET_ITER', 68)
## FIXME: no code generates this
def_op('STORE_LOCALS', 69)
def_op('PRINT_EXPR', 70)
def_op('LOAD_BUILD_CLASS', 71)
def_op('YIELD_FROM', 72)
def_op('INPLACE_LSHIFT', 75)
def_op('INPLACE_RSHIFT', 76)
@ -151,6 +157,7 @@ haslocal.append(126)
def_op('RAISE_VARARGS', 130) # Number of raise arguments (1, 2, or 3)
def_op('CALL_FUNCTION', 131) # #args + (#kwargs << 8)
hasnargs.append(131)
def_op('MAKE_FUNCTION', 132) # Number of args with default values
def_op('BUILD_SLICE', 133) # Number of items
def_op('MAKE_CLOSURE', 134)
@ -164,8 +171,11 @@ def_op('DELETE_DEREF', 138)
hasfree.append(138)
def_op('CALL_FUNCTION_VAR', 140) # #args + (#kwargs << 8)
hasnargs.append(140)
def_op('CALL_FUNCTION_KW', 141) # #args + (#kwargs << 8)
hasnargs.append(141)
def_op('CALL_FUNCTION_VAR_KW', 142) # #args + (#kwargs << 8)
hasnargs.append(142)
jrel_op('SETUP_WITH', 143)
@ -173,6 +183,9 @@ def_op('LIST_APPEND', 145)
def_op('SET_ADD', 146)
def_op('MAP_ADD', 147)
def_op('LOAD_CLASSDEREF', 148)
hasfree.append(148)
def_op('EXTENDED_ARG', 144)
EXTENDED_ARG = 144

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@ -456,7 +456,7 @@ class Python3Parser(PythonParser):
whilestmt ::= SETUP_LOOP
testexpr
l_stmts_opt JUMP_BACK
l_stmts_opt JUMP_ABSOLUTE
POP_BLOCK COME_FROM
whilestmt ::= SETUP_LOOP
@ -481,7 +481,7 @@ class Python3Parser(PythonParser):
_for ::= GET_ITER FOR_ITER
_for ::= LOAD_CONST FOR_LOOP
for_block ::= l_stmts_opt JUMP_BACK
for_block ::= l_stmts_opt JUMP_ABSOLUTE
for_block ::= return_stmts _come_from
forstmt ::= SETUP_LOOP expr _for designator