Merged revisions 76534,76538,76628,76701,76774 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r76534 | martin.v.loewis | 2009-11-26 02:42:05 -0600 (Thu, 26 Nov 2009) | 2 lines
Fix typo.
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r76538 | georg.brandl | 2009-11-26 14:48:25 -0600 (Thu, 26 Nov 2009) | 1 line
#7400: typo.
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r76628 | andrew.kuchling | 2009-12-02 08:27:11 -0600 (Wed, 02 Dec 2009) | 1 line
Markup fixes
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r76701 | andrew.kuchling | 2009-12-07 20:37:05 -0600 (Mon, 07 Dec 2009) | 1 line
Typo fix; grammar fix
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r76774 | benjamin.peterson | 2009-12-12 18:54:15 -0600 (Sat, 12 Dec 2009) | 1 line
account for PyObject_IsInstance's new ability to fail
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diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
index 8ccb3ea..c1e07d2 100755
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -366,6 +366,7 @@
self.emit("obj2ast_%s(PyObject* obj, %s* out, PyArena* arena)" % (name, ctype), 0)
self.emit("{", 0)
self.emit("PyObject* tmp = NULL;", 1)
+ self.emit("int isinstance;", 1)
self.emit("", 0)
def sumTrailer(self, name):
@@ -385,7 +386,13 @@
def simpleSum(self, sum, name):
self.funcHeader(name)
for t in sum.types:
- self.emit("if (PyObject_IsInstance(obj, (PyObject*)%s_type)) {" % t.name, 1)
+ line = ("isinstance = PyObject_IsInstance(obj, "
+ "(PyObject *)%s_type);")
+ self.emit(line % (t.name,), 1)
+ self.emit("if (isinstance == -1) {", 1)
+ self.emit("return 1;", 2)
+ self.emit("}", 1)
+ self.emit("if (isinstance) {", 1)
self.emit("*out = %s;" % t.name, 2)
self.emit("return 0;", 2)
self.emit("}", 1)
@@ -407,7 +414,12 @@
for a in sum.attributes:
self.visitField(a, name, sum=sum, depth=1)
for t in sum.types:
- self.emit("if (PyObject_IsInstance(obj, (PyObject*)%s_type)) {" % t.name, 1)
+ line = "isinstance = PyObject_IsInstance(obj, (PyObject*)%s_type);"
+ self.emit(line % (t.name,), 1)
+ self.emit("if (isinstance == -1) {", 1)
+ self.emit("return 1;", 2)
+ self.emit("}", 1)
+ self.emit("if (isinstance) {", 1)
for f in t.fields:
self.visitFieldDeclaration(f, t.name, sum=sum, depth=2)
self.emit("", 0)
@@ -1077,11 +1089,15 @@
PyObject *req_type[] = {(PyObject*)Module_type, (PyObject*)Expression_type,
(PyObject*)Interactive_type};
char *req_name[] = {"Module", "Expression", "Interactive"};
+ int isinstance;
assert(0 <= mode && mode <= 2);
init_types();
- if (!PyObject_IsInstance(ast, req_type[mode])) {
+ isinstance = PyObject_IsInstance(ast, req_type[mode]);
+ if (isinstance == -1)
+ return NULL;
+ if (!isinstance) {
PyErr_Format(PyExc_TypeError, "expected %s node, got %.400s",
req_name[mode], Py_TYPE(ast)->tp_name);
return NULL;