refactor(compiler): html_parser -> ml_parser

modules/@angular/compiler/src/ml_parser/ast.ts

@@ -0,0 +1,72 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {ParseSourceSpan} from '../parse_util';
+
+export interface Node {
+  sourceSpan: ParseSourceSpan;
+  visit(visitor: Visitor, context: any): any;
+}
+
+export class Text implements Node {
+  constructor(public value: string, public sourceSpan: ParseSourceSpan) {}
+  visit(visitor: Visitor, context: any): any { return visitor.visitText(this, context); }
+}
+
+export class Expansion implements Node {
+  constructor(
+      public switchValue: string, public type: string, public cases: ExpansionCase[],
+      public sourceSpan: ParseSourceSpan, public switchValueSourceSpan: ParseSourceSpan) {}
+  visit(visitor: Visitor, context: any): any { return visitor.visitExpansion(this, context); }
+}
+
+export class ExpansionCase implements Node {
+  constructor(
+      public value: string, public expression: Node[], public sourceSpan: ParseSourceSpan,
+      public valueSourceSpan: ParseSourceSpan, public expSourceSpan: ParseSourceSpan) {}
+
+  visit(visitor: Visitor, context: any): any { return visitor.visitExpansionCase(this, context); }
+}
+
+export class Attribute implements Node {
+  constructor(public name: string, public value: string, public sourceSpan: ParseSourceSpan) {}
+  visit(visitor: Visitor, context: any): any { return visitor.visitAttribute(this, context); }
+}
+
+export class Element implements Node {
+  constructor(
+      public name: string, public attrs: Attribute[], public children: Node[],
+      public sourceSpan: ParseSourceSpan, public startSourceSpan: ParseSourceSpan,
+      public endSourceSpan: ParseSourceSpan) {}
+  visit(visitor: Visitor, context: any): any { return visitor.visitElement(this, context); }
+}
+
+export class Comment implements Node {
+  constructor(public value: string, public sourceSpan: ParseSourceSpan) {}
+  visit(visitor: Visitor, context: any): any { return visitor.visitComment(this, context); }
+}
+
+export interface Visitor {
+  visitElement(element: Element, context: any): any;
+  visitAttribute(attribute: Attribute, context: any): any;
+  visitText(text: Text, context: any): any;
+  visitComment(comment: Comment, context: any): any;
+  visitExpansion(expansion: Expansion, context: any): any;
+  visitExpansionCase(expansionCase: ExpansionCase, context: any): any;
+}
+
+export function visitAll(visitor: Visitor, nodes: Node[], context: any = null): any[] {
+  let result: any[] = [];
+  nodes.forEach(ast => {
+    const astResult = ast.visit(visitor, context);
+    if (astResult) {
+      result.push(astResult);
+    }
+  });
+  return result;
+}