Author: Raffael Tfirst <raffael.tfi...@gmail.com>
Branch: py3.5-async
Changeset: r85657:8a1e4cca3a66
Date: 2016-07-11 18:00 +0200
http://bitbucket.org/pypy/pypy/changeset/8a1e4cca3a66/
Log: Throw SyntaxError if yield inside async function
diff --git a/pypy/interpreter/astcompiler/symtable.py
b/pypy/interpreter/astcompiler/symtable.py
--- a/pypy/interpreter/astcompiler/symtable.py
+++ b/pypy/interpreter/astcompiler/symtable.py
@@ -282,6 +282,15 @@
if (self.has_free or self.child_has_free) and not self.optimized:
raise AssertionError("unknown reason for unoptimization")
+class AsyncFunctionScope(FunctionScope):
+
+ def __init__(self, name, lineno, col_offset):
+ FunctionScope.__init__(self, name, lineno, col_offset)
+
+ def note_yield(self, yield_node):
+ """Called when a yield is found."""
+ raise SyntaxError("'yield' inside async function", yield_node.lineno,
+ yield_node.col_offset)
class ClassScope(Scope):
@@ -383,7 +392,7 @@
self.visit_kwonlydefaults(args.kw_defaults)
self._visit_annotations(func)
self.visit_sequence(func.decorator_list)
- new_scope = FunctionScope(func.name, func.lineno, func.col_offset)
+ new_scope = AsyncFunctionScope(func.name, func.lineno, func.col_offset)
self.push_scope(new_scope, func)
func.args.walkabout(self)
self.visit_sequence(func.body)
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