microoptimize: PyDict_Contains(attrwrapper_cls, str)

baae318f · Marius Wachtler · dcea1520 · baae318f
Commit baae318f authored Aug 03, 2015 by Marius Wachtler
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src/runtime/dict.cpp src/runtime/dict.cpp +6 -0

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--- a/src/runtime/dict.cpp
+++ b/src/runtime/dict.cpp
@@ -473,6 +473,12 @@ extern "C" int PyDict_Contains(PyObject* op, PyObject* key) noexcept {

    try {
        if (op->cls == attrwrapper_cls) {
+            if (key->cls == str_cls) {
+                BoxedString* key_str = (BoxedString*)key;
+                internStringMortalInplace(key_str);
+                return unwrapAttrWrapper(op)->hasattr(key_str);
+            }
+
            Box* rtn = PyObject_CallMethod(op, "__contains__", "O", key);
            if (!rtn)
                return -1;