Base JavaScript code position computation on JavaScript tracer.

pkg/compiler/lib/src/dump_info.dart

 // Copyright (c) 2013, 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.
 
 library dump_info;
 
 import 'dart:convert' show
     ChunkedConversionSink,
     HtmlEscape,
     JsonEncoder,
@@ skipping 36 matching lines @@
   final Map<Element, Info> _elementToInfo = <Element, Info>{};
   final Map<ConstantValue, Info> _constantToInfo = <ConstantValue, Info>{};
   final Map<OutputUnit, OutputUnitInfo> _outputToInfo = {};
 
   ElementInfoCollector(this.compiler);
 
   void run() {
     compiler.dumpInfoTask._constantToNode.forEach((constant, node) {
       // TODO(sigmund): add dependencies on other constants
       var size = compiler.dumpInfoTask._nodeToSize[node];
-      var code = jsAst.prettyPrint(node, compiler).getText();
+      var code = jsAst.prettyPrint(node, compiler);
       var info = new ConstantInfo(
           size: size, code: code, outputUnit: _unitInfoForConstant(constant));
       _constantToInfo[constant] = info;
       result.constants.add(info);
     });
     compiler.libraryLoader.libraries.forEach(visit);
   }
 
   Info visit(Element e, [_]) => e.accept(this, null);
 
@@ skipping 454 matching lines @@
     var size = _nodeToSize[node];
     return size == null ? 0 : size;
   }
 
   String codeOf(Element element) {
     List<jsAst.Node> code = _elementToNodes[element];
     if (code == null) return null;
     // Concatenate rendered ASTs.
     StringBuffer sb = new StringBuffer();
     for (jsAst.Node ast in code) {
-      sb.writeln(jsAst.prettyPrint(ast, compiler).getText());
+      sb.writeln(jsAst.prettyPrint(ast, compiler));
     }
     return sb.toString();
   }
 
   void dumpInfo() {
     measure(() {
       infoCollector = new ElementInfoCollector(compiler)..run();
       StringBuffer jsonBuffer = new StringBuffer();
       dumpInfoJson(jsonBuffer);
       compiler.outputProvider('', 'info.json')
@@ skipping 61 matching lines @@
 
     ChunkedConversionSink<Object> sink = encoder.startChunkedConversion(
         new StringConversionSink.fromStringSink(buffer));
     sink.add(new AllInfoJsonCodec().encode(result));
     reporter.reportInfo(NO_LOCATION_SPANNABLE, MessageKind.GENERIC, {
       'text': "View the dumped .info.json file at "
           "https://dart-lang.github.io/dump-info-visualizer"
     });
   }
 }