Base JavaScript code position computation on JavaScript tracer.

pkg/compiler/lib/src/js_emitter/full_emitter/emitter.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.
 
 library dart2js.js_emitter.full_emitter;
 
 import 'dart:convert';
 import 'dart:collection' show HashMap;
 
 import 'package:js_runtime/shared/embedded_names.dart' as embeddedNames;
@@ skipping 56 matching lines @@
     GetterName,
     JavaScriptBackend,
     JavaScriptConstantCompiler,
     Namer,
     RuntimeTypes,
     SetterName,
     Substitution,
     TypeCheck,
     TypeChecks,
     TypeVariableHandler;
+import '../../js/js_debug.dart';
 import '../../universe/call_structure.dart' show
     CallStructure;
 import '../../universe/selector.dart' show
     Selector;
 import '../../util/characters.dart' show
     $$,
     $A,
     $HASH,
     $PERIOD,
     $Z,
@@ skipping 1515 matching lines @@
       lineColumnCollector = new LineColumnCollector();
       codeOutputListeners = <CodeOutputListener>[lineColumnCollector];
     }
 
     CodeOutput mainOutput =
         new StreamCodeOutput(compiler.outputProvider('', 'js'),
                              codeOutputListeners);
     outputBuffers[mainOutputUnit] = mainOutput;
 
 
-    mainOutput.addBuffer(jsAst.prettyPrint(program,
-                                           compiler,
-                                           monitor: compiler.dumpInfoTask));
+    mainOutput.addBuffer(jsAst.createCodeBuffer(
+        program, compiler, monitor: compiler.dumpInfoTask));
 
     if (compiler.deferredMapUri != null) {
       outputDeferredMap();
     }
 
     if (generateSourceMap) {
       mainOutput.add(
           generateSourceMapTag(compiler.sourceMapUri, compiler.outputUri));
     }
 
@@ skipping 423 matching lines @@
       }
 
       String partPrefix =
           backend.deferredPartFileName(outputUnit.name, addExtension: false);
       CodeOutput output = new StreamCodeOutput(
           compiler.outputProvider(partPrefix, 'part.js'),
           outputListeners);
 
       outputBuffers[outputUnit] = output;
 
-      output.addBuffer(jsAst.prettyPrint(outputAsts[outputUnit],
-                                         compiler,
-                                         monitor: compiler.dumpInfoTask));
+      output.addBuffer(jsAst.createCodeBuffer(
+          outputAsts[outputUnit], compiler, monitor: compiler.dumpInfoTask));
 
       // Make a unique hash of the code (before the sourcemaps are added)
       // This will be used to retrieve the initializing function from the global
       // variable.
       String hash = hasher.getHash();
 
       output.add('$N${deferredInitializers}["$hash"]$_=$_'
                        '${deferredInitializers}.current$N');
 
       if (generateSourceMap) {
@@ skipping 72 matching lines @@
     for (Element element in compiler.enqueuer.codegen.newlyEnqueuedElements) {
       if (element.isInstanceMember) {
         cachedClassBuilders.remove(element.enclosingClass);
 
         nativeEmitter.cachedBuilders.remove(element.enclosingClass);
 
       }
     }
   }
 }