Add WebIDL compliant parser plus tests

tools/idl_parser/test_parser/interface.idl

+/* Copyright (c) 2013 The Chromium Authors. All rights reserved.
+   Use of this source code is governed by a BSD-style license that can be
+  found in the LICENSE file. */
+
+/* Test Interface productions
+
+Run with --test to generate an AST and verify that all comments accurately
+reflect the state of the Nodes.
+
+BUILD Type(Name)
+This comment signals that a node of type <Type> is created with the
+name <Name>.
+
+ERROR Error String
+This comment signals that a error of <Error String> is generated.  The error
+is not assigned to a node, but are expected in order.
+
+PROP Key=Value
+This comment signals that a property has been set on the Node such that
+<Key> = <Value>.
+
+TREE
+Type(Name)
+  Type(Name)
+  Type(Name)
+    Type(Name)
+    ...
+This comment signals that a tree of nodes matching the BUILD comment
+symatics should exist.  This is an exact match.
+*/
+
+
+/* TREE
+ *Interface(MyIFace)
+ */
+interface MyIFace { };
+
+/* TREE
+ *Interface(MyIFaceInherit)
+ *  Inherit(Foo)
+ */
+interface MyIFaceInherit : Foo {};
+
+/* TREE
+ *Interface(MyIFacePartial)
+ */
+partial interface MyIFacePartial { };
+
+/* ERROR Unexpected ":" after identifier "MyIFaceInherit". */
+partial interface MyIFaceInherit : Foo {};
+
+/* TREE
+ *Interface(MyIFaceBig)
+ *  Const(setString)
+ *    PrimitiveType(DOMString)
+ *    Value(NULL)
+ */
+interface MyIFaceBig {
+  const DOMString? setString = null;
+};
+
+/* TREE
+ *Interface(MyIFaceBig2)
+ *  Const(nullValue)
+ *    PrimitiveType(DOMString)
+ *    Value(NULL)
+ *  Const(longValue)
+ *    PrimitiveType(long)
+ *    Value(123)
+ *  Const(longValue2)
+ *    PrimitiveType(long long)
+ *    Value(123)
+ *  Attribute(myString)
+ *    Type()
+ *      PrimitiveType(DOMString)
+ *  Attribute(readOnlyString)
+ *    Type()
+ *      PrimitiveType(DOMString)
+ *  Operation(myFunction)
+ *    Type()
+ *      PrimitiveType(void)
+ *    Arguments()
+ *      Argument(myLong)
+ *        Type()
+ *          PrimitiveType(long long)
+ */
+interface MyIFaceBig2 {
+  const DOMString? nullValue = null;
+  const long longValue = 123;
+  const long long longValue2 = 123;
+  attribute DOMString myString;
+  readonly attribute DOMString readOnlyString;
+  void myFunction(long long myLong);
+};
+
+
+/* TREE
+ *Interface(MyIFaceSpecials)
+ *  Operation(set)
+ *    Type()
+ *      PrimitiveType(void)
+ *    Arguments()
+ *      Argument(property)
+ *        Type()
+ *          PrimitiveType(DOMString)
+ *  Operation(_unnamed_)
+ *    Type()
+ *      PrimitiveType(double)
+ *    Arguments()
+ *      Argument(property)
+ *        Type()
+ *          PrimitiveType(DOMString)
+ *  Operation(GetFiveSix)
+ *    Type()
+ *      PrimitiveType(long long)
+ *      Array(5)
+ *        Array(6)
+ *    Arguments()
+ *      Argument(arg)
+ *        Type()
+ *          Typeref(SomeType)
+ */
+interface MyIFaceSpecials {
+  setter creator void set(DOMString property);
+  getter double (DOMString property);
+  long long [5][6] GetFiveSix(SomeType arg);
+};