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gh-92597: Ensure that AST nodes without explicit end positions can be compiled (GH-93359)

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Pablo Galindo Salgado 2022-06-01 00:00:47 +01:00 • committed by GitHub
parent fc694364cc
commit 705eaec28f
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4 changed files with 35 additions and 13 deletions
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14
Parser/asdl_c.py
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@ -488,6 +488,12 @@ class Obj2ModPrototypeVisitor(PickleVisitor):
class Obj2ModVisitor(PickleVisitor):
attribute_special_defaults = {
"end_lineno": "lineno",
"end_col_offset": "col_offset",
}
@contextmanager
def recursive_call(self, node, level):
self.emit('if (_Py_EnterRecursiveCall(" while traversing \'%s\' node")) {' % node, level, reflow=False)
@ -637,7 +643,13 @@ class Obj2ModVisitor(PickleVisitor):
self.emit("if (tmp == NULL || tmp == Py_None) {", depth)
self.emit("Py_CLEAR(tmp);", depth+1)
if self.isNumeric(field):
self.emit("%s = 0;" % field.name, depth+1)
if field.name in self.attribute_special_defaults:
self.emit(
"%s = %s;" % (field.name, self.attribute_special_defaults[field.name]),
depth+1,
)
else:
self.emit("%s = 0;" % field.name, depth+1)
elif not self.isSimpleType(field):
self.emit("%s = NULL;" % field.name, depth+1)
else: