refactor: move angular source to /packages rather than modules/@angular

packages/compiler/test/ml_parser/ast_spec_utils.ts

@@ -0,0 +1,84 @@
+/**
+ * @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 * as html from '../../src/ml_parser/ast';
+import {ParseTreeResult} from '../../src/ml_parser/html_parser';
+import {ParseLocation} from '../../src/parse_util';
+
+export function humanizeDom(parseResult: ParseTreeResult, addSourceSpan: boolean = false): any[] {
+  if (parseResult.errors.length > 0) {
+    const errorString = parseResult.errors.join('\n');
+    throw new Error(`Unexpected parse errors:\n${errorString}`);
+  }
+
+  return humanizeNodes(parseResult.rootNodes, addSourceSpan);
+}
+
+export function humanizeDomSourceSpans(parseResult: ParseTreeResult): any[] {
+  return humanizeDom(parseResult, true);
+}
+
+export function humanizeNodes(nodes: html.Node[], addSourceSpan: boolean = false): any[] {
+  const humanizer = new _Humanizer(addSourceSpan);
+  html.visitAll(humanizer, nodes);
+  return humanizer.result;
+}
+
+export function humanizeLineColumn(location: ParseLocation): string {
+  return `${location.line}:${location.col}`;
+}
+
+class _Humanizer implements html.Visitor {
+  result: any[] = [];
+  elDepth: number = 0;
+
+  constructor(private includeSourceSpan: boolean){};
+
+  visitElement(element: html.Element, context: any): any {
+    const res = this._appendContext(element, [html.Element, element.name, this.elDepth++]);
+    this.result.push(res);
+    html.visitAll(this, element.attrs);
+    html.visitAll(this, element.children);
+    this.elDepth--;
+  }
+
+  visitAttribute(attribute: html.Attribute, context: any): any {
+    const res = this._appendContext(attribute, [html.Attribute, attribute.name, attribute.value]);
+    this.result.push(res);
+  }
+
+  visitText(text: html.Text, context: any): any {
+    const res = this._appendContext(text, [html.Text, text.value, this.elDepth]);
+    this.result.push(res);
+  }
+
+  visitComment(comment: html.Comment, context: any): any {
+    const res = this._appendContext(comment, [html.Comment, comment.value, this.elDepth]);
+    this.result.push(res);
+  }
+
+  visitExpansion(expansion: html.Expansion, context: any): any {
+    const res = this._appendContext(
+        expansion, [html.Expansion, expansion.switchValue, expansion.type, this.elDepth++]);
+    this.result.push(res);
+    html.visitAll(this, expansion.cases);
+    this.elDepth--;
+  }
+
+  visitExpansionCase(expansionCase: html.ExpansionCase, context: any): any {
+    const res =
+        this._appendContext(expansionCase, [html.ExpansionCase, expansionCase.value, this.elDepth]);
+    this.result.push(res);
+  }
+
+  private _appendContext(ast: html.Node, input: any[]): any[] {
+    if (!this.includeSourceSpan) return input;
+    input.push(ast.sourceSpan.toString());
+    return input;
+  }
+}