Add the arity to calls, and support noSuchMethodException.

frog/leg/ssa/builder.dart

 // Copyright (c) 2011, 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.
 
 class Interceptors {
   Compiler compiler;
   Interceptors(Compiler this.compiler);
 
   SourceString mapOperatorToMethodName(Operator op) {
     String name = op.source.stringValue;
@@ skipping 510 matching lines @@
     conditionBlock.addSuccessor(loopEntryBlock);  // The back-edge.
     loopEntryBlock.postProcessLoopHeader();
 
     endLoop(loopEntryBlock, conditionBlock, true, entryDefinitions);
   }
 
   visitFunctionExpression(FunctionExpression node) {
     FunctionElement element = elements[node];
     ClassElement globalizedClosureElement =
         new ClassElement(const SourceString("Closure"), null);
-    String callName = compiler.namer.closureInvocationName();
     Modifiers modifiers = new Modifiers.empty();
     FunctionElement callElement =
-        new FunctionElement(new SourceString(callName),
+        new FunctionElement(const SourceString('\$call'),

[floitsch, 2012/01/24 11:46:03]

I would prefer keeping the '\$call' local to some place.
I chose the namer for it, but if you prefer another place I'm fine with it.
Maybe a static namer.CLOSURE_INVOCATION_NAME = const SourceString('\$call'); ?

[ngeoffray, 2012/01/24 12:09:39]

Done.

                             ElementKind.FUNCTION,
                             modifiers,
                             globalizedClosureElement,
                             node: element.parseNode(compiler, compiler));
     callElement.parameters = element.parameters;
     globalizedClosureElement.backendMembers =
         const EmptyLink<Element>().prepend(callElement);
     globalizedClosureElement.isResolved = true;
     compiler.enqueue(new WorkItem.toCodegen(callElement, elements));
     compiler.registerInstantiatedClass(globalizedClosureElement);
@@ skipping 865 matching lines @@
   }
 
   visitCatchBlock(CatchBlock node) {
     compiler.unimplemented('SsaBuilder.visitCatchBlock', node: node);
   }
 
   visitTypedef(Typedef node) {
     compiler.unimplemented('SsaBuilder.visitTypedef', node: node);
   }
 }