Add PyCode_NewEmpty

Author: msimacek

graalpython/com.oracle.graal.python.cext/src/codeobject.c

@@ -42,6 +42,11 @@
 
 PyTypeObject PyCode_Type = PY_TRUFFLE_TYPE("code", &PyType_Type, Py_TPFLAGS_DEFAULT, sizeof(PyTypeObject));
 
+UPCALL_ID(PyCode_NewEmpty)
+PyCodeObject* PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno) {
+    return (PyCodeObject*)UPCALL_CEXT_O(_jls_PyCode_NewEmpty, polyglot_from_string(filename, SRC_CS), polyglot_from_string(funcname, SRC_CS), firstlineno);
+}
+
 UPCALL_ID(PyCode_New);
 PyCodeObject* PyCode_New(int argcount, int kwonlyargcount,
                          int nlocals, int stacksize, int flags,

graalpython/com.oracle.graal.python.test/src/tests/cpyext/test_codeobject.py

@@ -62,6 +62,17 @@ def compile_module(self, name):
 
     testmod = type(sys)("foo")
 
+    test_PyCode_NewEmpty = CPyExtFunction(
+        lambda args: args,
+        lambda: (
+            ("file.c", "myfunc", 54),
+        ),
+        resultspec="O",
+        argspec="ssi",
+        arguments=["char* filename", "char* funcname", "int firstlineno"],
+        cmpfunc=lambda cr, pr: pr[0] == cr.co_filename and pr[1] == cr.co_name and pr[2] == cr.co_firstlineno,
+    )
+
     test_PyCode_New = CPyExtFunction(
         lambda args: args,
         lambda: (

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/modules/cext/PythonCextBuiltins.java

@@ -1540,17 +1540,28 @@ int tbHere(PFrame frame,
         }
     }
 
+    @Builtin(name = "PyCode_NewEmpty", minNumOfPositionalArgs = 3)
+    @GenerateNodeFactory
+    abstract static class PyCodeNewEmpty extends PythonTernaryBuiltinNode {
+        public abstract PCode execute(String filename, String funcname, int lineno);
+
+        @Specialization
+        static PCode newEmpty(String filename, String funcname, int lineno,
+                        @Cached CodeNodes.CreateCodeNode createCodeNode) {
+            return createCodeNode.execute(null, 0, 0, 0, 0, 0, 0,
+                            EMPTY_BYTE_ARRAY, EMPTY_OBJECT_ARRAY, EMPTY_OBJECT_ARRAY, EMPTY_OBJECT_ARRAY, EMPTY_OBJECT_ARRAY, EMPTY_OBJECT_ARRAY,
+                            filename, funcname, lineno, EMPTY_BYTE_ARRAY);
+        }
+    }
+
     @Builtin(name = "_PyTraceback_Add", minNumOfPositionalArgs = 1)
     @GenerateNodeFactory
     abstract static class PyTracebackAdd extends PythonTernaryBuiltinNode {
         @Specialization
         Object tbHere(String funcname, String filename, int lineno,
-                        @Cached CodeNodes.CreateCodeNode createCodeNode,
+                        @Cached PyCodeNewEmpty newCode,
                         @Cached PyTraceBackHereNode pyTraceBackHereNode) {
-            PCode code = createCodeNode.execute(null, 0, 0, 0, 0, 0, 0,
-                            EMPTY_BYTE_ARRAY, EMPTY_OBJECT_ARRAY, EMPTY_OBJECT_ARRAY, EMPTY_OBJECT_ARRAY, EMPTY_OBJECT_ARRAY, EMPTY_OBJECT_ARRAY,
-                            filename, funcname, lineno, EMPTY_BYTE_ARRAY);
-            PFrame frame = factory().createPFrame(null, code, factory().createDict(), factory().createDict());
+            PFrame frame = factory().createPFrame(null, newCode.execute(filename, funcname, lineno), factory().createDict(), factory().createDict());
             pyTraceBackHereNode.execute(null, frame);
             return PNone.NONE;
         }