jinx/python-uncompyle6
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rocky
2017-12-02 09:51:15 -05:00
parent 0d9464bb92
commit 0b9fca2263
89 changed files with 619 additions and 434 deletions
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61
uncompyle6/parsers/parse2.py
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@@ -36,13 +36,6 @@ class Python2Parser(PythonParser):
print_nl ::= PRINT_NEWLINE
"""
def p_stmt2(self, args):
"""
exec_stmt ::= expr exprlist DUP_TOP EXEC_STMT
exec_stmt ::= expr exprlist EXEC_STMT
"""
def p_print_to(self, args):
'''
stmt ::= print_to
@@ -65,6 +58,8 @@ class Python2Parser(PythonParser):
return_if_stmts ::= _stmts return_if_stmt
return_if_stmt ::= ret_expr RETURN_END_IF
return_stmt_lambda ::= ret_expr RETURN_VALUE_LAMBDA
stmt ::= break_stmt
break_stmt ::= BREAK_LOOP
@@ -100,7 +95,7 @@ class Python2Parser(PythonParser):
kvlist ::= kvlist kv3
kv3 ::= expr expr STORE_MAP
mapexpr ::= BUILD_MAP kvlist
dict ::= BUILD_MAP kvlist
classdef ::= buildclass store
@@ -198,10 +193,10 @@ class Python2Parser(PythonParser):
store ::= expr expr STORE_SLICE+2
store ::= expr expr expr STORE_SLICE+3
augassign1 ::= expr expr inplace_op ROT_FOUR STORE_SLICE+3
augassign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+1
augassign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+2
augassign1 ::= expr expr inplace_op ROT_TWO STORE_SLICE+0
aug_assign1 ::= expr expr inplace_op ROT_FOUR STORE_SLICE+3
aug_assign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+1
aug_assign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+2
aug_assign1 ::= expr expr inplace_op ROT_TWO STORE_SLICE+0
slice0 ::= expr SLICE+0
slice0 ::= expr DUP_TOP SLICE+0
@@ -224,8 +219,8 @@ class Python2Parser(PythonParser):
Special handling for opcodes such as those that take a variable number
of arguments -- we add a new rule for each:
build_list ::= {expr}^n BUILD_LIST_n
build_list ::= {expr}^n BUILD_TUPLE_n
list ::= {expr}^n BUILD_LIST_n
list ::= {expr}^n BUILD_TUPLE_n
unpack_list ::= UNPACK_LIST {expr}^n
unpack ::= UNPACK_TUPLE {expr}^n
unpack ::= UNPACK_SEQEUENCE {expr}^n
@@ -251,8 +246,8 @@ class Python2Parser(PythonParser):
stmt ::= assign2_pypy
assign3_pypy ::= expr expr expr store store store
assign2_pypy ::= expr expr store store
list_compr ::= expr BUILD_LIST_FROM_ARG _for store list_iter
JUMP_BACK
list_comp ::= expr BUILD_LIST_FROM_ARG _for store list_iter
JUMP_BACK
""", nop_func)
for i, token in enumerate(tokens):
opname = token.kind
@@ -275,7 +270,7 @@ class Python2Parser(PythonParser):
self.add_unique_rule("expr1024 ::=%s" % (' expr32' * 32),
opname_base, v, customize)
self.seen1024 = True
rule = ('build_list ::= ' + 'expr1024 '*thousands +
rule = ('list ::= ' + 'expr1024 '*thousands +
'expr32 '*thirty32s + 'expr '*(v % 32) + opname)
elif opname_base == 'BUILD_MAP':
if opname == 'BUILD_MAP_n':
@@ -283,7 +278,7 @@ class Python2Parser(PythonParser):
self.add_unique_rules([
'kvlist_n ::= kvlist_n kv3',
'kvlist_n ::=',
'mapexpr ::= BUILD_MAP_n kvlist_n',
'dict ::= BUILD_MAP_n kvlist_n',
], customize)
if self.version >= 2.7:
self.add_unique_rule(
@@ -295,7 +290,7 @@ class Python2Parser(PythonParser):
kvlist_n = "kvlist_%s" % v
self.add_unique_rules([
(kvlist_n + " ::=" + ' kv3' * v),
"mapexpr ::= %s %s" % (opname, kvlist_n)
"dict ::= %s %s" % (opname, kvlist_n)
], customize)
continue
elif opname_base == 'BUILD_SLICE':
@@ -337,6 +332,13 @@ class Python2Parser(PythonParser):
# FIXME: remove these conditions if they are not needed.
# no longer need to add a rule
continue
elif opname == 'EXEC_STMT':
self.addRule("""
exprlist ::= expr+
exec_stmt ::= expr exprlist DUP_TOP EXEC_STMT
exec_stmt ::= expr exprlist EXEC_STMT
""", nop_func)
continue
elif opname == 'JUMP_IF_NOT_DEBUG':
self.add_unique_rules([
'jmp_true_false ::= POP_JUMP_IF_TRUE',
@@ -349,10 +351,15 @@ class Python2Parser(PythonParser):
"LOAD_ASSERT expr CALL_FUNCTION_1 RAISE_VARARGS_1 COME_FROM",
], customize)
continue
elif opname == 'LOAD_LISTCOMP':
self.add_unique_rules([
"expr ::= listcomp",
], customize)
continue
elif opname == 'LOAD_SETCOMP':
self.add_unique_rules([
"expr ::= setcomp",
"setcomp ::= LOAD_SETCOMP MAKE_FUNCTION_0 expr GET_ITER CALL_FUNCTION_1"
"expr ::= set_comp",
"set_comp ::= LOAD_SETCOMP MAKE_FUNCTION_0 expr GET_ITER CALL_FUNCTION_1"
], customize)
continue
elif opname == 'LOOKUP_METHOD':
@@ -387,13 +394,13 @@ class Python2Parser(PythonParser):
prev_tok = tokens[i-1]
if prev_tok == 'LOAD_DICTCOMP':
self.add_unique_rules([
('dictcomp ::= %s load_closure LOAD_DICTCOMP %s expr'
('dict_comp ::= %s load_closure LOAD_DICTCOMP %s expr'
' GET_ITER CALL_FUNCTION_1' %
('expr '*v, opname))], customize)
elif prev_tok == 'LOAD_SETCOMP':
self.add_unique_rules([
"expr ::= setcomp",
('setcomp ::= %s load_closure LOAD_SETCOMP %s expr'
"expr ::= set_comp",
('set_comp ::= %s load_closure LOAD_SETCOMP %s expr'
' GET_ITER CALL_FUNCTION_1' %
('expr '*v, opname))
], customize)
@@ -428,8 +435,8 @@ class Python2Parser(PythonParser):
raise Exception('unknown customize token %s' % opname)
self.add_unique_rule(rule, opname_base, v, customize)
pass
self.check_reduce['augassign1'] = 'AST'
self.check_reduce['augassign2'] = 'AST'
self.check_reduce['aug_assign1'] = 'AST'
self.check_reduce['aug_assign2'] = 'AST'
self.check_reduce['_stmts'] = 'AST'
# Dead code testing...
@@ -445,7 +452,7 @@ class Python2Parser(PythonParser):
# if lhs == 'while1elsestmt':
# from trepan.api import debug; debug()
if lhs in ('augassign1', 'augassign2') and ast[0] and ast[0][0] == 'and':
if lhs in ('aug_assign1', 'aug_assign2') and ast[0] and ast[0][0] == 'and':
return True
elif lhs == '_stmts':
for i, stmt in enumerate(ast):