the class definition epilogue should really be a prologue, since __module__ and __qualname__ are available during body execution

Author: timfel

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/classes/ClassDefinitionEpilogNode.java renamed to graalpython/com.oracle.graal.python/src/com/oracle/graal/python/nodes/classes/ClassDefinitionPrologueNode.java

@@ -50,18 +50,18 @@
 import com.oracle.graal.python.nodes.subscript.SetItemIfNotPresentNode;
 import com.oracle.truffle.api.frame.VirtualFrame;
 
-public class ClassDefinitionEpilogNode extends StatementNode {
+public class ClassDefinitionPrologueNode extends StatementNode {
     @Child private ReadGlobalOrBuiltinNode readGlobalNameNode = ReadGlobalOrBuiltinNode.create(__NAME__);
     @Child private ReadIndexedArgumentNode readPrimaryArgNode = ReadIndexedArgumentNode.create(0);
     @Child private SetItemIfNotPresentNode setItemIfNotPresentNode = SetItemIfNotPresentNode.create();
 
     private final String qualName;
 
-    public ClassDefinitionEpilogNode() {
+    public ClassDefinitionPrologueNode() {
         this(null);
     }
 
-    public ClassDefinitionEpilogNode(String qualName) {
+    public ClassDefinitionPrologueNode(String qualName) {
         this.qualName = qualName;
     }
 

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/parser/PythonTreeTranslator.java

@@ -59,7 +59,7 @@
 import com.oracle.graal.python.nodes.argument.ReadDefaultArgumentNode;
 import com.oracle.graal.python.nodes.attributes.GetAttributeNode;
 import com.oracle.graal.python.nodes.call.PythonCallNode;
-import com.oracle.graal.python.nodes.classes.ClassDefinitionEpilogNode;
+import com.oracle.graal.python.nodes.classes.ClassDefinitionPrologueNode;
 import com.oracle.graal.python.nodes.control.BlockNode;
 import com.oracle.graal.python.nodes.control.ForNode;
 import com.oracle.graal.python.nodes.control.GetIteratorNode;
@@ -1855,7 +1855,7 @@ protected ExpressionNode asClassBody(Object accept, String qualName) {
             environment.createLocal(__DOC__);
             body.set(0, environment.findVariable(__DOC__).makeWriteNode((ExpressionNode) body.get(0)));
         }
-        body.add(new ClassDefinitionEpilogNode(qualName));
+        body.add(0, new ClassDefinitionPrologueNode(qualName));
         return new ReturnTargetNode(asBlock(body), factory.createNullLiteral());
     }