Reapply "Add support for generic function type syntax, part 1"

pkg/analyzer/lib/dart/ast/visitor.dart

 // Copyright (c) 2014, 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.
 
 /**
  * Defines AST visitors that support useful patterns for visiting the nodes in
  * an [AST structure](ast.dart).
  *
  * Dart is an evolving language, and the AST structure must evolved with it.
  * When the AST structure changes, the visitor interface will sometimes change
@@ skipping 318 matching lines @@
       visitInvocationExpression(node);
 
   @override
   R visitFunctionTypeAlias(FunctionTypeAlias node) => visitTypeAlias(node);
 
   @override
   R visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) =>
       visitNormalFormalParameter(node);
 
   @override
+  R visitGenericFunctionType(GenericFunctionType node) =>
+      visitTypeAnnotation(node);
+
+  @override
+  R visitGenericTypeAlias(GenericTypeAlias node) => visitTypeAlias(node);
+
+  @override
   R visitHideCombinator(HideCombinator node) => visitCombinator(node);
 
   R visitIdentifier(Identifier node) => visitExpression(node);
 
   @override
   R visitIfStatement(IfStatement node) => visitStatement(node);
 
   @override
   R visitImplementsClause(ImplementsClause node) => visitNode(node);
 
@@ skipping 172 matching lines @@
 
   @override
   R visitTopLevelVariableDeclaration(TopLevelVariableDeclaration node) =>
       visitCompilationUnitMember(node);
 
   @override
   R visitTryStatement(TryStatement node) => visitStatement(node);
 
   R visitTypeAlias(TypeAlias node) => visitNamedCompilationUnitMember(node);
 
+  R visitTypeAnnotation(TypeAnnotation node) => visitNode(node);
+
   @override
   R visitTypeArgumentList(TypeArgumentList node) => visitNode(node);
 
   R visitTypedLiteral(TypedLiteral node) => visitLiteral(node);
 
   @override
   R visitTypeName(TypeName node) => visitNode(node);
 
   @override
   R visitTypeParameter(TypeParameter node) => visitNode(node);
@@ skipping 332 matching lines @@
     return null;
   }
 
   @override
   R visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) {
     node.visitChildren(this);
     return null;
   }
 
   @override
+  R visitGenericFunctionType(GenericFunctionType node) {
+    node.visitChildren(this);
+    return null;
+  }
+
+  @override
+  R visitGenericTypeAlias(GenericTypeAlias node) {
+    node.visitChildren(this);
+    return null;
+  }
+
+  @override
   R visitHideCombinator(HideCombinator node) {
     node.visitChildren(this);
     return null;
   }
 
   @override
   R visitIfStatement(IfStatement node) {
     node.visitChildren(this);
     return null;
   }
@@ skipping 498 matching lines @@
       null;
 
   @override
   R visitFunctionTypeAlias(FunctionTypeAlias node) => null;
 
   @override
   R visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) =>
       null;
 
   @override
+  R visitGenericFunctionType(GenericFunctionType node) => null;
+
+  @override
+  R visitGenericTypeAlias(GenericTypeAlias node) => null;
+
+  @override
   R visitHideCombinator(HideCombinator node) => null;
 
   @override
   R visitIfStatement(IfStatement node) => null;
 
   @override
   R visitImplementsClause(ImplementsClause node) => null;
 
   @override
   R visitImportDirective(ImportDirective node) => null;
@@ skipping 325 matching lines @@
       _throw(node);
 
   @override
   R visitFunctionTypeAlias(FunctionTypeAlias node) => _throw(node);
 
   @override
   R visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) =>
       _throw(node);
 
   @override
+  R visitGenericFunctionType(GenericFunctionType node) => _throw(node);
+
+  @override
+  R visitGenericTypeAlias(GenericTypeAlias node) => _throw(node);
+
+  @override
   R visitHideCombinator(HideCombinator node) => _throw(node);
 
   @override
   R visitIfStatement(IfStatement node) => _throw(node);
 
   @override
   R visitImplementsClause(ImplementsClause node) => _throw(node);
 
   @override
   R visitImportDirective(ImportDirective node) => _throw(node);
@@ skipping 158 matching lines @@
 
   @override
   R visitVariableDeclarationStatement(VariableDeclarationStatement node) =>
       _throw(node);
 
   @override
   R visitWhileStatement(WhileStatement node) => _throw(node);
 
   @override
   R visitWithClause(WithClause node) => _throw(node);
-
   @override
   R visitYieldStatement(YieldStatement node) => _throw(node);
 
   R _throw(AstNode node) {
     throw new Exception('Missing implementation of visit${node.runtimeType}');
   }
 }
 
 /**
  * An AST visitor that captures visit call timings.
@@ skipping 412 matching lines @@
 
   @override
   T visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) {
     stopwatch.start();
     T result = _baseVisitor.visitFunctionTypedFormalParameter(node);
     stopwatch.stop();
     return result;
   }
 
   @override
+  T visitGenericFunctionType(GenericFunctionType node) {
+    stopwatch.start();
+    T result = _baseVisitor.visitGenericFunctionType(node);
+    stopwatch.stop();
+    return result;
+  }
+
+  @override
+  T visitGenericTypeAlias(GenericTypeAlias node) {
+    stopwatch.start();
+    T result = _baseVisitor.visitGenericTypeAlias(node);
+    stopwatch.stop();
+    return result;
+  }
+
+  @override
   T visitHideCombinator(HideCombinator node) {
     stopwatch.start();
     T result = _baseVisitor.visitHideCombinator(node);
     stopwatch.stop();
     return result;
   }
 
   @override
   T visitIfStatement(IfStatement node) {
     stopwatch.start();
@@ skipping 622 matching lines @@
       visitNode(node);
 
   @override
   R visitFunctionTypeAlias(FunctionTypeAlias node) => visitNode(node);
 
   @override
   R visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) =>
       visitNode(node);
 
   @override
+  R visitGenericFunctionType(GenericFunctionType node) => visitNode(node);
+
+  @override
+  R visitGenericTypeAlias(GenericTypeAlias node) => visitNode(node);
+
+  @override
   R visitHideCombinator(HideCombinator node) => visitNode(node);
 
   @override
   R visitIfStatement(IfStatement node) => visitNode(node);
 
   @override
   R visitImplementsClause(ImplementsClause node) => visitNode(node);
 
   @override
   R visitImportDirective(ImportDirective node) => visitNode(node);
@@ skipping 192 matching lines @@
    * Initialize a newly created visitor to help the [outerVisitor].
    */
   _BreadthFirstChildVisitor(this.outerVisitor);
 
   @override
   Object visitNode(AstNode node) {
     outerVisitor._queue.add(node);
     return null;
   }
 }