Author: Raffael Tfirst <[email protected]>
Branch: py3.5
Changeset: r85083:f4991e923ef5
Date: 2016-06-10 22:17 +0200
http://bitbucket.org/pypy/pypy/changeset/f4991e923ef5/
Log: New AST handling in handle_call (not done, backup)
diff --git a/pypy/interpreter/astcompiler/astbuilder.py
b/pypy/interpreter/astcompiler/astbuilder.py
--- a/pypy/interpreter/astcompiler/astbuilder.py
+++ b/pypy/interpreter/astcompiler/astbuilder.py
@@ -553,7 +553,6 @@
break
if arg_type == tokens.DOUBLESTAR:
break
- #TODO: scan further
if arg_type == syms.vfpdef or arg_type == syms.tfpdef:
n_pos += 1
if arg_type == tokens.EQUAL:
@@ -1016,11 +1015,11 @@
return ast.Subscript(left_expr, ast.Index(tup), ast.Load,
middle.get_lineno(), middle.get_column())
- #fix this method
def handle_call(self, args_node, callable_expr):
- arg_count = 0
- keyword_count = 0
- generator_count = 0
+ arg_count = 0 # position args + iterable args unpackings
+ keyword_count = 0 # keyword args + keyword args unpackings
+ doublestars_count = 0 # just keyword argument unpackings
+ generator_count = 0
for i in range(args_node.num_children()):
argument = args_node.get_child(i)
if argument.type == syms.argument:
@@ -1028,7 +1027,11 @@
arg_count += 1
elif argument.get_child(1).type == syms.comp_for:
generator_count += 1
+ elif argument.get_child(0).type == tokens.STAR:
+ arg_count += 1
else:
+ # argument.get_child(0).type == tokens.DOUBLESTAR
+ # or keyword arg
keyword_count += 1
if generator_count > 1 or \
(generator_count and (keyword_count or arg_count)):
@@ -1039,22 +1042,27 @@
args = []
keywords = []
used_keywords = {}
- variable_arg = None
- keywords_arg = None
child_count = args_node.num_children()
i = 0
while i < child_count:
argument = args_node.get_child(i)
if argument.type == syms.argument:
+ expr_node = argument.get_child(0)
if argument.num_children() == 1:
- expr_node = argument.get_child(0)
+ # a positional argument
if keywords:
- self.error("non-keyword arg after keyword arg",
- expr_node)
- if variable_arg:
- self.error("only named arguments may follow "
- "*expression", expr_node)
+ if doublestars_count:
+ self.error("positional argument follows "
+ "keyword argument unpacking",
+ expr_node)
+ else
+ self.error("positional argument follows "
+ "keyword argument",
+ expr_node)
args.append(self.handle_expr(expr_node))
+ elif expr_node.type == tokens.STAR
+ # an iterable argument unpacking
+ # continue here
elif argument.get_child(1).type == syms.comp_for:
args.append(self.handle_genexp(argument))
else:
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