Start adding support for mixin application syntax. We now parse the typedef variant of mixin applic…

sdk/lib/_internal/compiler/implementation/scanner/listener.dart

Index: sdk/lib/_internal/compiler/implementation/scanner/listener.dart
diff --git a/sdk/lib/_internal/compiler/implementation/scanner/listener.dart b/sdk/lib/_internal/compiler/implementation/scanner/listener.dart
index ad1a0e18174509e249ea1f762dedfb6a0305c21d..8f465b5d4485e81cc303a1e2bd2cf5f90e9c832d 100644
--- a/sdk/lib/_internal/compiler/implementation/scanner/listener.dart
+++ b/sdk/lib/_internal/compiler/implementation/scanner/listener.dart
@@ -163,6 +163,18 @@ class Listener {
   void endFunctionTypeAlias(Token typedefKeyword, Token endToken) {
   }
 
+  void beginMixinApplication(Token token) {
+  }
+
+  void endMixinApplication(Token beginToken, Token endToken) {
+  }
+
+  void beginNamedMixinApplication(Token token) {
+  }
+
+  void endNamedMixinApplication(Token typedefKeyword, Token endToken) {
+  }
+
   void beginHide(Token hideKeyword) {
   }
 
@@ -175,6 +187,12 @@ class Listener {
   void endIdentifierList(int count) {
   }
 
+  void beginTypeList(Token token) {
+  }
+
+  void endTypeList(int count) {
+  }
+
   void beginIfStatement(Token token) {
   }
 
@@ -702,6 +720,10 @@ class ElementListener extends Listener {
     pushNode(makeNodeList(count, null, null, ","));
   }
 
+  void endTypeList(int count) {
+    pushNode(makeNodeList(count, null, null, ","));
+  }
+
   void endPart(Token partKeyword, Token semicolon) {
     StringNode uri = popLiteralString();
     addLibraryTag(new Part(partKeyword, uri));
@@ -804,6 +826,26 @@ class ElementListener extends Listener {
     rejectBuiltInIdentifier(name);
   }
 
+  void endNamedMixinApplication(Token typedefKeyword, Token endToken) {
+    Node mixinApplication = popNode();
+    NodeList typeVariables = popNode();
+    Identifier name = popNode();
+    rejectBuiltInIdentifier(name);
+    // TODO(kasperl): Push an element corresponding to the named mixin
+    // application instead of rejecting this.
+    recoverableError('unsupported mixin application in typedef',
+                     token: typedefKeyword,
+                     node: mixinApplication);
+  }
+
+  void endMixinApplication(Token beginToken, Token endToken) {
+    NodeList mixins = popNode();
+    TypeAnnotation superclass = popNode();
+    Modifiers modifiers = popNode();
+    pushNode(new MixinApplication(modifiers, superclass, mixins,
+                                  beginToken, endToken));
+  }
+
   void handleVoidKeyword(Token token) {
     pushNode(new TypeAnnotation(new Identifier(token), null));
   }