jinx/python-uncompyle6
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Go over grammars..

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* Reduce duplication
* Remove unused grammar rules
* Add grammar checking when parsers run as standalone
This commit is contained in:
rocky
2016-06-17 22:59:17 -04:00
parent c4912be570
commit 724faf9a3a
5 changed files with 61 additions and 86 deletions
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31
uncompyle6/parser.py
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@@ -307,7 +307,6 @@ class PythonParser(GenericASTBuilder):
expr ::= LOAD_DEREF
expr ::= load_attr
expr ::= binary_expr
expr ::= binary_expr_na
expr ::= build_list
expr ::= cmp
expr ::= mapexpr
@@ -441,12 +440,38 @@ class PythonParser(GenericASTBuilder):
# Positional arguments in make_function
pos_arg ::= expr
nullexprlist ::=
expr32 ::= expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr expr
expr1024 ::= expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32 expr32
'''
def p_designator(self, args):
'''
# Note. The below is right-recursive:
designList ::= designator designator
designList ::= designator DUP_TOP designList
## Can we replace with left-recursive, and redo with:
##
## designList ::= designLists designator designator
## designLists ::= designLists designator DUP_TOP
## designLists ::=
## Will need to redo semantic actiion
designator ::= STORE_FAST
designator ::= STORE_NAME
designator ::= STORE_GLOBAL
designator ::= STORE_DEREF
designator ::= expr STORE_ATTR
designator ::= expr STORE_SLICE+0
designator ::= expr expr STORE_SLICE+1
designator ::= expr expr STORE_SLICE+2
designator ::= expr expr expr STORE_SLICE+3
designator ::= store_subscr
store_subscr ::= expr expr STORE_SUBSCR
designator ::= unpack
designator ::= unpack_list
'''
def parse(p, tokens, customize):
p.add_custom_rules(tokens, customize)