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https://github.com/rocky/python-uncompyle6.git
synced 2025-08-03 00:45:53 +08:00
Start to DRY Python 2 and Python 3 grammar code
Move common code to parser.py
This commit is contained in:
rocky
@@ -86,6 +86,111 @@ class PythonParser(GenericASTBuilder):
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call_stmt ::= expr POP_TOP
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'''
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def p_funcdef(self, args):
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'''
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stmt ::= funcdef
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funcdef ::= mkfunc designator
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stmt ::= funcdefdeco
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funcdefdeco ::= mkfuncdeco designator
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mkfuncdeco ::= expr mkfuncdeco CALL_FUNCTION_1
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mkfuncdeco ::= expr mkfuncdeco0 CALL_FUNCTION_1
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mkfuncdeco0 ::= mkfunc
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load_closure ::= load_closure LOAD_CLOSURE
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load_closure ::= LOAD_CLOSURE
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'''
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def p_genexpr(self, args):
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'''
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expr ::= genexpr
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genexpr ::= LOAD_GENEXPR MAKE_FUNCTION_0 expr GET_ITER CALL_FUNCTION_1
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stmt ::= genexpr_func
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genexpr_func ::= LOAD_FAST FOR_ITER designator comp_iter JUMP_BACK
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'''
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def p_dictcomp(self, args):
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'''
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expr ::= dictcomp
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dictcomp ::= LOAD_DICTCOMP MAKE_FUNCTION_0 expr GET_ITER CALL_FUNCTION_1
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stmt ::= dictcomp_func
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dictcomp_func ::= BUILD_MAP LOAD_FAST FOR_ITER designator
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comp_iter JUMP_BACK RETURN_VALUE RETURN_LAST
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'''
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def p_augmented_assign(self, args):
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'''
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stmt ::= augassign1
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stmt ::= augassign2
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augassign1 ::= expr expr inplace_op designator
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SUBSCR
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augassign1 ::= expr expr inplace_op ROT_TWO STORE_SLICE+0
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+1
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+2
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augassign1 ::= expr expr inplace_op ROT_FOUR STORE_SLICE+3
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augassign2 ::= expr DUP_TOP LOAD_ATTR expr
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inplace_op ROT_TWO STORE_ATTR
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inplace_op ::= INPLACE_ADD
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inplace_op ::= INPLACE_SUBTRACT
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inplace_op ::= INPLACE_MULTIPLY
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inplace_op ::= INPLACE_DIVIDE
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inplace_op ::= INPLACE_TRUE_DIVIDE
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inplace_op ::= INPLACE_FLOOR_DIVIDE
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inplace_op ::= INPLACE_MODULO
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inplace_op ::= INPLACE_POWER
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inplace_op ::= INPLACE_LSHIFT
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inplace_op ::= INPLACE_RSHIFT
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inplace_op ::= INPLACE_AND
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inplace_op ::= INPLACE_XOR
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inplace_op ::= INPLACE_OR
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'''
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def p_assign(self, args):
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'''
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stmt ::= assign
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assign ::= expr DUP_TOP designList
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assign ::= expr designator
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stmt ::= assign2
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stmt ::= assign3
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assign2 ::= expr expr ROT_TWO designator designator
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assign3 ::= expr expr expr ROT_THREE ROT_TWO designator designator designator
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'''
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def p_import20(self, args):
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'''
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stmt ::= importstmt
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stmt ::= importfrom
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stmt ::= importstar
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stmt ::= importmultiple
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importlist2 ::= importlist2 import_as
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importlist2 ::= import_as
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import_as ::= IMPORT_NAME designator
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import_as ::= IMPORT_NAME load_attrs designator
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import_as ::= IMPORT_FROM designator
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importstmt ::= LOAD_CONST LOAD_CONST import_as
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importstar ::= LOAD_CONST LOAD_CONST IMPORT_NAME IMPORT_STAR
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importfrom ::= LOAD_CONST LOAD_CONST IMPORT_NAME importlist2 POP_TOP
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importstar ::= LOAD_CONST LOAD_CONST IMPORT_NAME_CONT IMPORT_STAR
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importfrom ::= LOAD_CONST LOAD_CONST IMPORT_NAME_CONT importlist2 POP_TOP
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importmultiple ::= LOAD_CONST LOAD_CONST import_as imports_cont
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imports_cont ::= imports_cont import_cont
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imports_cont ::= import_cont
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import_cont ::= LOAD_CONST LOAD_CONST import_as_cont
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import_as_cont ::= IMPORT_NAME_CONT designator
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import_as_cont ::= IMPORT_NAME_CONT load_attrs designator
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import_as_cont ::= IMPORT_FROM designator
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load_attrs ::= LOAD_ATTR
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load_attrs ::= load_attrs LOAD_ATTR
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'''
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def parse(p, tokens, customize):
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@@ -27,19 +27,6 @@ class Python2Parser(PythonParser):
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GenericASTBuilder.__init__(self, AST, 'stmts', debug=debug_parser)
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self.customized = {}
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def p_funcdef(self, args):
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'''
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stmt ::= funcdef
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funcdef ::= mkfunc designator
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stmt ::= funcdefdeco
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funcdefdeco ::= mkfuncdeco designator
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mkfuncdeco ::= expr mkfuncdeco CALL_FUNCTION_1
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mkfuncdeco ::= expr mkfuncdeco0 CALL_FUNCTION_1
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mkfuncdeco0 ::= mkfunc
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load_closure ::= load_closure LOAD_CLOSURE
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load_closure ::= LOAD_CLOSURE
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'''
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def p_list_comprehension(self, args):
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'''
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expr ::= list_compr
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@@ -84,71 +71,11 @@ class Python2Parser(PythonParser):
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comp_if ::= expr jmp_false comp_iter
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comp_ifnot ::= expr jmp_true comp_iter
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# This is different in python3 - shout it be?
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comp_for ::= expr _for designator comp_iter JUMP_BACK
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'''
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def p_genexpr(self, args):
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'''
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expr ::= genexpr
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genexpr ::= LOAD_GENEXPR MAKE_FUNCTION_0 expr GET_ITER CALL_FUNCTION_1
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stmt ::= genexpr_func
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genexpr_func ::= LOAD_FAST FOR_ITER designator comp_iter JUMP_BACK
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'''
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def p_dictcomp(self, args):
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'''
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expr ::= dictcomp
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dictcomp ::= LOAD_DICTCOMP MAKE_FUNCTION_0 expr GET_ITER CALL_FUNCTION_1
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stmt ::= dictcomp_func
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dictcomp_func ::= BUILD_MAP LOAD_FAST FOR_ITER designator
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comp_iter JUMP_BACK RETURN_VALUE RETURN_LAST
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'''
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def p_augmented_assign(self, args):
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'''
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stmt ::= augassign1
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stmt ::= augassign2
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augassign1 ::= expr expr inplace_op designator
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SUBSCR
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augassign1 ::= expr expr inplace_op ROT_TWO STORE_SLICE+0
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+1
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+2
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augassign1 ::= expr expr inplace_op ROT_FOUR STORE_SLICE+3
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augassign2 ::= expr DUP_TOP LOAD_ATTR expr
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inplace_op ROT_TWO STORE_ATTR
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inplace_op ::= INPLACE_ADD
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inplace_op ::= INPLACE_SUBTRACT
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inplace_op ::= INPLACE_MULTIPLY
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inplace_op ::= INPLACE_DIVIDE
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inplace_op ::= INPLACE_TRUE_DIVIDE
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inplace_op ::= INPLACE_FLOOR_DIVIDE
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inplace_op ::= INPLACE_MODULO
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inplace_op ::= INPLACE_POWER
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inplace_op ::= INPLACE_LSHIFT
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inplace_op ::= INPLACE_RSHIFT
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inplace_op ::= INPLACE_AND
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inplace_op ::= INPLACE_XOR
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inplace_op ::= INPLACE_OR
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'''
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def p_assign(self, args):
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'''
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stmt ::= assign
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assign ::= expr DUP_TOP designList
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assign ::= expr designator
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stmt ::= assign2
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stmt ::= assign3
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assign2 ::= expr expr ROT_TWO designator designator
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assign3 ::= expr expr expr ROT_THREE ROT_TWO designator designator designator
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'''
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def p_print(self, args):
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'''
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stmt ::= print_items_stmt
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@@ -178,37 +105,6 @@ class Python2Parser(PythonParser):
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print_to_item ::= DUP_TOP expr ROT_TWO PRINT_ITEM_TO
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'''
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def p_import20(self, args):
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'''
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stmt ::= importstmt
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stmt ::= importfrom
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stmt ::= importstar
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stmt ::= importmultiple
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importlist2 ::= importlist2 import_as
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importlist2 ::= import_as
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import_as ::= IMPORT_NAME designator
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import_as ::= IMPORT_NAME load_attrs designator
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import_as ::= IMPORT_FROM designator
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importstmt ::= LOAD_CONST LOAD_CONST import_as
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importstar ::= LOAD_CONST LOAD_CONST IMPORT_NAME IMPORT_STAR
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importfrom ::= LOAD_CONST LOAD_CONST IMPORT_NAME importlist2 POP_TOP
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importstar ::= LOAD_CONST LOAD_CONST IMPORT_NAME_CONT IMPORT_STAR
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importfrom ::= LOAD_CONST LOAD_CONST IMPORT_NAME_CONT importlist2 POP_TOP
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importmultiple ::= LOAD_CONST LOAD_CONST import_as imports_cont
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imports_cont ::= imports_cont import_cont
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imports_cont ::= import_cont
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import_cont ::= LOAD_CONST LOAD_CONST import_as_cont
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import_as_cont ::= IMPORT_NAME_CONT designator
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import_as_cont ::= IMPORT_NAME_CONT load_attrs designator
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import_as_cont ::= IMPORT_FROM designator
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load_attrs ::= LOAD_ATTR
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load_attrs ::= load_attrs LOAD_ATTR
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'''
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def p_grammar(self, args):
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'''
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sstmt ::= stmt
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@@ -38,19 +38,6 @@ class Python3Parser(PythonParser):
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pass
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return
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def p_funcdef(self, args):
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'''
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stmt ::= funcdef
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funcdef ::= mkfunc designator
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stmt ::= funcdefdeco
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funcdefdeco ::= mkfuncdeco designator
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mkfuncdeco ::= expr mkfuncdeco CALL_FUNCTION_1
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mkfuncdeco ::= expr mkfuncdeco0 CALL_FUNCTION_1
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mkfuncdeco0 ::= mkfunc
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load_closure ::= load_closure LOAD_CLOSURE
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load_closure ::= LOAD_CLOSURE
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'''
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def p_list_comprehension(self, args):
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'''
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# Python3 scanner adds LOAD_LISTCOMP. Python3 does list comprehension like
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@@ -101,132 +88,11 @@ class Python3Parser(PythonParser):
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comp_if ::= expr jmp_false comp_iter
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comp_ifnot ::= expr jmp_true comp_iter
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# This is different in python2 - should it be?
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comp_for ::= expr _for designator comp_iter JUMP_ABSOLUTE
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'''
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def p_genexpr(self, args):
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'''
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expr ::= genexpr
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genexpr ::= LOAD_GENEXPR MAKE_FUNCTION_0 expr GET_ITER CALL_FUNCTION_1
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stmt ::= genexpr_func
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genexpr_func ::= LOAD_FAST FOR_ITER designator comp_iter JUMP_BACK
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'''
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def p_dictcomp(self, args):
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'''
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expr ::= dictcomp
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dictcomp ::= LOAD_DICTCOMP MAKE_FUNCTION_0 expr GET_ITER CALL_FUNCTION_1
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stmt ::= dictcomp_func
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dictcomp_func ::= BUILD_MAP LOAD_FAST FOR_ITER designator
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comp_iter JUMP_BACK RETURN_VALUE RETURN_LAST
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'''
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def p_augmented_assign(self, args):
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'''
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stmt ::= augassign1
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stmt ::= augassign2
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augassign1 ::= expr expr inplace_op designator
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SUBSCR
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augassign1 ::= expr expr inplace_op ROT_TWO STORE_SLICE+0
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+1
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augassign1 ::= expr expr inplace_op ROT_THREE STORE_SLICE+2
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augassign1 ::= expr expr inplace_op ROT_FOUR STORE_SLICE+3
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augassign2 ::= expr DUP_TOP LOAD_ATTR expr
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inplace_op ROT_TWO STORE_ATTR
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inplace_op ::= INPLACE_ADD
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inplace_op ::= INPLACE_SUBTRACT
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inplace_op ::= INPLACE_MULTIPLY
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inplace_op ::= INPLACE_DIVIDE
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inplace_op ::= INPLACE_TRUE_DIVIDE
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inplace_op ::= INPLACE_FLOOR_DIVIDE
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inplace_op ::= INPLACE_MODULO
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inplace_op ::= INPLACE_POWER
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inplace_op ::= INPLACE_LSHIFT
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inplace_op ::= INPLACE_RSHIFT
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inplace_op ::= INPLACE_AND
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inplace_op ::= INPLACE_XOR
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inplace_op ::= INPLACE_OR
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'''
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def p_assign(self, args):
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'''
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stmt ::= assign
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assign ::= expr DUP_TOP designList
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assign ::= expr designator
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stmt ::= assign2
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stmt ::= assign3
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assign2 ::= expr expr ROT_TWO designator designator
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assign3 ::= expr expr expr ROT_THREE ROT_TWO designator designator designator
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'''
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# Python3 doesn't have a built-in print.
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# def p_print(self, args):
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# '''
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# stmt ::= print_items_stmt
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# stmt ::= print_nl
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# stmt ::= print_items_nl_stmt
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# print_items_stmt ::= expr PRINT_ITEM print_items_opt
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# print_items_nl_stmt ::= expr PRINT_ITEM print_items_opt PRINT_NEWLINE_CONT
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# print_items_opt ::= print_items
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# print_items_opt ::=
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# print_items ::= print_items print_item
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# print_items ::= print_item
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# print_item ::= expr PRINT_ITEM_CONT
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# print_nl ::= PRINT_NEWLINE
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# '''
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# def p_print_to(self, args):
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# '''
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# stmt ::= print_to
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# stmt ::= print_to_nl
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# stmt ::= print_nl_to
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# print_to ::= expr print_to_items POP_TOP
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# print_to_nl ::= expr print_to_items PRINT_NEWLINE_TO
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# print_nl_to ::= expr PRINT_NEWLINE_TO
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# print_to_items ::= print_to_items print_to_item
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# print_to_items ::= print_to_item
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# print_to_item ::= DUP_TOP expr ROT_TWO PRINT_ITEM_TO
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# '''
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def p_import20(self, args):
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'''
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stmt ::= importstmt
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stmt ::= importfrom
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stmt ::= importstar
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stmt ::= importmultiple
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importlist2 ::= importlist2 import_as
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importlist2 ::= import_as
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import_as ::= IMPORT_NAME designator
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import_as ::= IMPORT_NAME load_attrs designator
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import_as ::= IMPORT_FROM designator
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importstmt ::= LOAD_CONST LOAD_CONST import_as
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importstar ::= LOAD_CONST LOAD_CONST IMPORT_NAME IMPORT_STAR
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importfrom ::= LOAD_CONST LOAD_CONST IMPORT_NAME importlist2 POP_TOP
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importstar ::= LOAD_CONST LOAD_CONST IMPORT_NAME_CONT IMPORT_STAR
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importfrom ::= LOAD_CONST LOAD_CONST IMPORT_NAME_CONT importlist2 POP_TOP
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importmultiple ::= LOAD_CONST LOAD_CONST import_as imports_cont
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imports_cont ::= imports_cont import_cont
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imports_cont ::= import_cont
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import_cont ::= LOAD_CONST LOAD_CONST import_as_cont
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import_as_cont ::= IMPORT_NAME_CONT designator
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import_as_cont ::= IMPORT_NAME_CONT load_attrs designator
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import_as_cont ::= IMPORT_FROM designator
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load_attrs ::= LOAD_ATTR
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load_attrs ::= load_attrs LOAD_ATTR
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'''
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def p_grammar(self, args):
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'''
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sstmt ::= stmt
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