dart2js: add function type to the model.

pkg/compiler/lib/src/js_emitter/model.dart

Index: pkg/compiler/lib/src/js_emitter/model.dart
diff --git a/pkg/compiler/lib/src/js_emitter/model.dart b/pkg/compiler/lib/src/js_emitter/model.dart
index f2a5cc9b0de09a4c349fbb9bb91a8154fef662a5..24e8cf037b40985a8ab1251fb71fe159773a6dec 100644
--- a/pkg/compiler/lib/src/js_emitter/model.dart
+++ b/pkg/compiler/lib/src/js_emitter/model.dart
@@ -348,6 +348,7 @@ class DartMethod extends Method {
   final bool canBeApplied;
   final bool canBeReflected;
   final DartType type;
+  final js.Expression functionType;

[floitsch, 2015/02/20 11:00:11]

Add comment. (when is it null? can it be null?)

While you are at it: the "type" needs documentation too.

What's the difference between the two?

[zarah, 2015/02/20 12:59:32]

As far as I can see, we don't use the "type" anymore, so I will remove it.

Added comment.

 
   // Signature information for this method. This is only required and stored
   // here if the method [canBeApplied] or [canBeReflected]
@@ -363,7 +364,7 @@ class DartMethod extends Method {
              this.parameterStubs, this.callName, this.type,
              {this.needsTearOff, this.tearOffName, this.canBeApplied,
               this.canBeReflected, this.requiredParameterCount,
-              this.optionalParameterDefaultValues})
+              this.optionalParameterDefaultValues, this.functionType})
       : super(element, name, code) {
     assert(needsTearOff != null);
     assert(!needsTearOff || tearOffName != null);
@@ -394,14 +395,16 @@ class InstanceMethod extends DartMethod {
                   bool canBeReflected,
                   int requiredParameterCount,
                   /* List | Map */ optionalParameterDefaultValues,
-                  this.isClosure})
+                  this.isClosure,
+                  js.Expression functionType})
       : super(element, name, code, parameterStubs, callName, type,
               needsTearOff: needsTearOff,
               tearOffName: tearOffName,
               canBeApplied: canBeApplied,
               canBeReflected: canBeReflected,
               requiredParameterCount: requiredParameterCount,
-              optionalParameterDefaultValues: optionalParameterDefaultValues) {
+              optionalParameterDefaultValues: optionalParameterDefaultValues,
+              functionType: functionType) {
     assert(isClosure != null);
   }
 }
@@ -448,14 +451,16 @@ class StaticDartMethod extends DartMethod implements StaticMethod {
                    String callName, DartType type,
                    {bool needsTearOff, String tearOffName, bool canBeApplied,
                     bool canBeReflected, int requiredParameterCount,
-                    /* List | Map */ optionalParameterDefaultValues})
+                    /* List | Map */ optionalParameterDefaultValues,
+                    js.Expression functionType})
       : super(element, name, code, parameterStubs, callName, type,
               needsTearOff: needsTearOff,
               tearOffName : tearOffName,
               canBeApplied : canBeApplied,
               canBeReflected : canBeReflected,
               requiredParameterCount: requiredParameterCount,
-              optionalParameterDefaultValues: optionalParameterDefaultValues);
+              optionalParameterDefaultValues: optionalParameterDefaultValues,
+              functionType: functionType);
 }
 
 class StaticStubMethod extends StubMethod implements StaticMethod {