Add the arity to calls, and support noSuchMethodException.

frog/leg/compiler.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.
 
 class WorkItem {
   final Element element;
   TreeElements resolutionTree;
   Function run;
   Map<int, BailoutInfo> bailouts = null;
 
@@ skipping 41 matching lines @@
   TreeValidatorTask validator;
   ResolverTask resolver;
   TypeCheckerTask checker;
   SsaBuilderTask builder;
   SsaOptimizerTask optimizer;
   SsaCodeGeneratorTask generator;
   CodeEmitterTask emitter;
   CompileTimeConstantHandler compileTimeConstantHandler;
 
   static final SourceString MAIN = const SourceString('main');
+  static final SourceString NO_SUCH_METHOD = const SourceString('noSuchMethod');
 
   Compiler()
       : types = new Types(),
         universe = new Universe(),
         worklist = new Queue<WorkItem>() {
     namer = new Namer(this);
     compileTimeConstantHandler = new CompileTimeConstantHandler(this);
     scanner = new ScannerTask(this);
     parser = new ParserTask(this);
     validator = new TreeValidatorTask(this);
@@ skipping 54 matching lines @@
   }
 
   void scanCoreLibrary() {
     String fileName = io.join([legDirectory, 'lib', 'core.dart']);
     currentElement = new CompilationUnitElement(
         readScript(fileName), currentLibrary);
     scanner.scan(currentElement);
     // Make our special function a foreign kind.
     universe.define(new ForeignElement(const SourceString('JS')));
     universe.define(new ForeignElement(const SourceString('UNINTERCEPTED')));
+    // TODO(ngeoffray): Lazily add this method.
+    universe.invokedNames[NO_SUCH_METHOD] = new Set<int>.from(<int>[2]);
   }
 
   void enqueueInvokedInstanceMethods() {
     // TODO(floitsch): find a more efficient way of doing this.
     // Run through the classes and see if we need to compile methods.
     for (ClassElement classElement in universe.instantiatedClasses) {
       for (ClassElement currentClass = classElement;
            currentClass !== null;
            currentClass = currentClass.superClass) {
         // TODO(floitsch): we don't need to add members that have been
         // overwritten by subclasses.
         for (Element member in currentClass.members) {
           SourceString name = member.name;
           if (Elements.isInstanceMethod(member) &&
-              universe.generatedCode[member] === null &&
-              universe.invokedNames.contains(name.stringValue)) {
-            addToWorklist(member);
+              universe.generatedCode[member] === null) {
+            FunctionElement element = member;
+            Set<int> invocations = universe.invokedNames[name];
+            if (invocations != null
+                && invocations.contains(element.parameterCount(this))) {
+              addToWorklist(member);
+            }
           }
         }
       }
     }
   }
 
   void runCompiler(Script script) {
     scanCoreLibrary();
     currentElement = new CompilationUnitElement(script, currentLibrary);
     scanner.scan(currentElement);
@@ skipping 49 matching lines @@
     if (element.kind === ElementKind.GENERATIVE_CONSTRUCTOR) {
       registerInstantiatedClass(element.enclosingElement);
     }
     worklist.add(new WorkItem.toCompile(element));
   }
 
   void registerStaticUse(Element element) {
     addToWorklist(element);
   }
 
-  void registerDynamicInvocation(SourceString methodName) {
-    universe.invokedNames.add(methodName.stringValue);
+  void registerDynamicInvocation(SourceString methodName, int arity) {
+    Set<int> existing = universe.invokedNames[methodName];
+    if (existing == null) {
+      universe.invokedNames[methodName] = new Set.from(<int>[arity]);
+    } else {
+      existing.add(arity);
+    }
   }
 
   void registerDynamicGetter(SourceString methodName) {
-    universe.invokedGetters.add(methodName.stringValue);
+    universe.invokedGetters.add(methodName);
   }
 
   void registerDynamicSetter(SourceString methodName) {
-    universe.invokedSetters.add(methodName.stringValue);
+    universe.invokedSetters.add(methodName);
   }
 
   void registerInstantiatedClass(ClassElement element) {
     universe.instantiatedClasses.add(element);
   }
 
   Element resolveType(ClassElement element) {
     parser.parse(element);
     resolver.resolveType(element);
     return element;
@@ skipping 42 matching lines @@
 
 class CompilerCancelledException implements Exception {
   final String reason;
   CompilerCancelledException(this.reason);
 
   String toString() {
     String banner = 'compiler cancelled';
     return (reason !== null) ? '$banner: $reason' : '$banner';
   }
 }