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bpo-38823: Clean up refleaks in _ast initialization. #17276

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Merged
merged 4 commits into from
Feb 6, 2020
Merged

bpo-38823: Clean up refleaks in _ast initialization. #17276

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8e30e51
Clean up refleaks in module initialization.
brandtbucher Nov 20, 2019
2c8a50f
Regenerate _ast.
brandtbucher Nov 20, 2019
5a2ec26
Fix formatting.
brandtbucher Jan 28, 2020
2c30229
Fix remaining formatting.
brandtbucher Jan 28, 2020
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26 changes: 18 additions & 8 deletions Parser/asdl_c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -998,17 +998,25 @@ def visitModule(self, mod):
self.emit("if (!init_types()) return NULL;", 1)
self.emit('m = PyState_FindModule(&_astmodule);', 1)
self.emit("if (!m) return NULL;", 1)
self.emit('if (PyModule_AddObject(m, "AST", astmodulestate_global->AST_type) < 0) {', 1)
self.emit('goto error;', 2)
self.emit('}', 1)
self.emit('Py_INCREF(astmodulestate(m)->AST_type);', 1)
self.emit('if (PyModule_AddObject(m, "AST", astmodulestate_global->AST_type) < 0) return NULL;', 1)
self.emit('if (PyModule_AddIntMacro(m, PyCF_ALLOW_TOP_LEVEL_AWAIT) < 0)', 1)
self.emit("return NULL;", 2)
self.emit('if (PyModule_AddIntMacro(m, PyCF_ONLY_AST) < 0)', 1)
self.emit("return NULL;", 2)
self.emit('if (PyModule_AddIntMacro(m, PyCF_TYPE_COMMENTS) < 0)', 1)
self.emit("return NULL;", 2)
self.emit('if (PyModule_AddIntMacro(m, PyCF_ALLOW_TOP_LEVEL_AWAIT) < 0) {', 1)
self.emit("goto error;", 2)
self.emit('}', 1)
self.emit('if (PyModule_AddIntMacro(m, PyCF_ONLY_AST) < 0) {', 1)
self.emit("goto error;", 2)
self.emit('}', 1)
self.emit('if (PyModule_AddIntMacro(m, PyCF_TYPE_COMMENTS) < 0) {', 1)
self.emit("goto error;", 2)
self.emit('}', 1)
for dfn in mod.dfns:
self.visit(dfn)
self.emit("return m;", 1)
self.emit("error:", 0)
self.emit("Py_DECREF(m);", 1)
self.emit("return NULL;", 1)
self.emit("}", 0)

def visitProduct(self, prod, name):
Expand All @@ -1024,7 +1032,9 @@ def visitConstructor(self, cons, name):

def addObj(self, name):
self.emit("if (PyModule_AddObject(m, \"%s\", "
"astmodulestate_global->%s_type) < 0) return NULL;" % (name, name), 1)
"astmodulestate_global->%s_type) < 0) {" % (name, name), 1)
self.emit("goto error;", 2)
self.emit('}', 1)
self.emit("Py_INCREF(astmodulestate(m)->%s_type);" % name, 1)


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