Implement invoke, setField, and getField (unminified).

dart/sdk/lib/_internal/compiler/implementation/ssa/builder.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of ssa;
 
 /**
  * A special element for the extra parameter taken by intercepted
  * methods. We need to override [Element.computeType] because our
  * optimizers may look at its declared type.
@@ skipping 3632 matching lines @@
   void generateMalformedSubtypeError(Node node, HInstruction value,
                                      DartType type, String reasons) {
     HInstruction typeString = addConstantString(node, type.toString());
     HInstruction reasonsString = addConstantString(node, reasons);
     Element helper = backend.getThrowMalformedSubtypeError();
     pushInvokeHelper3(helper, value, typeString, reasonsString, HType.UNKNOWN);
   }
 
   visitNewExpression(NewExpression node) {
     Element element = elements[node.send];
+    final bool isSymbolConstructor = element == compiler.symbolConstructor;

[ngeoffray, 2013/05/08 12:34:06]

Remove final.

[ahe, 2013/05/08 21:47:53]

Why?

[ngeoffray, 2013/05/13 10:31:40]

Consistency? We never use "final" for local variables.

     if (!Elements.isErroneousElement(element)) {
       FunctionElement function = element;
       element = function.redirectionTarget;
     }
     if (Elements.isErroneousElement(element)) {
       ErroneousElement error = element;
       if (error.messageKind == MessageKind.CANNOT_FIND_CONSTRUCTOR) {
         generateThrowNoSuchMethod(node.send,
                                   getTargetName(error, 'constructor'),
                                   argumentNodes: node.send.arguments);
       } else {
         Message message = error.messageKind.message(error.messageArguments);
         generateRuntimeError(node.send, message.toString());
       }
     } else if (node.isConst()) {
       // TODO(karlklose): add type representation
       ConstantHandler handler = compiler.constantHandler;
       Constant constant = handler.compileNodeWithDefinitions(node, elements);
       stack.add(graph.addConstant(constant));
+      if (isSymbolConstructor) {
+        ConstructedConstant symbol = constant;
+        StringConstant stringConstant = symbol.fields.single;
+        String nameString = stringConstant.toDartString().slowToString();
+        compiler.enqueuer.codegen.registerConstSymbol(nameString, elements);
+      }
     } else {
       DartType type = elements.getType(node);
       if (compiler.enableTypeAssertions && type.isMalformed) {
         String reasons = Types.fetchReasonsFromMalformedType(type);
         // TODO(johnniwinther): Change to resemble type errors from bounds check
         // on type arguments.
         generateRuntimeError(node, '$type is malformed: $reasons');
       } else {
         // TODO(karlklose): move this type registration to the codegen.
         compiler.codegenWorld.instantiatedTypes.add(type);
@@ skipping 1596 matching lines @@
           new HSubGraphBlockInformation(elseBranch.graph));
 
     HBasicBlock conditionStartBlock = conditionBranch.block;
     conditionStartBlock.setBlockFlow(info, joinBlock);
     SubGraph conditionGraph = conditionBranch.graph;
     HIf branch = conditionGraph.end.last;
     assert(branch is HIf);
     branch.blockInformation = conditionStartBlock.blockFlow;
   }
 }