dartfmt pkg/compiler

pkg/compiler/lib/src/js/js.dart

 // Copyright (c) 2015, 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 js;
 
 import 'package:js_ast/js_ast.dart';
 export 'package:js_ast/js_ast.dart';
 
 import '../common.dart';
-import '../compiler.dart' show
-    Compiler;
-import '../dump_info.dart' show
-    DumpInfoTask;
-import '../io/code_output.dart' show
-    CodeBuffer,
-    CodeOutput;
-import '../js_emitter/js_emitter.dart' show
-    USE_LAZY_EMITTER;
+import '../compiler.dart' show Compiler;
+import '../dump_info.dart' show DumpInfoTask;
+import '../io/code_output.dart' show CodeBuffer, CodeOutput;
+import '../js_emitter/js_emitter.dart' show USE_LAZY_EMITTER;
 
 import 'js_source_mapping.dart';
 
-String prettyPrint(
-    Node node,
-    Compiler compiler,
+String prettyPrint(Node node, Compiler compiler,
     {bool allowVariableMinification: true,
-     Renamer renamerForNames: JavaScriptPrintingOptions.identityRenamer}) {
+    Renamer renamerForNames: JavaScriptPrintingOptions.identityRenamer}) {
   // TODO(johnniwinther): Do we need all the options here?
   JavaScriptPrintingOptions options = new JavaScriptPrintingOptions(
       shouldCompressOutput: compiler.options.enableMinification,
       minifyLocalVariables: allowVariableMinification,
       preferSemicolonToNewlineInMinifiedOutput: USE_LAZY_EMITTER,
       renamerForNames: renamerForNames);
   SimpleJavaScriptPrintingContext context =
       new SimpleJavaScriptPrintingContext();
   Printer printer = new Printer(options, context);
   printer.visit(node);
   return context.getText();
 }
 
-CodeBuffer createCodeBuffer(
-    Node node,
-    Compiler compiler,
+CodeBuffer createCodeBuffer(Node node, Compiler compiler,
     {DumpInfoTask monitor,
-     bool allowVariableMinification: true,
-     Renamer renamerForNames: JavaScriptPrintingOptions.identityRenamer}) {
+    bool allowVariableMinification: true,
+    Renamer renamerForNames: JavaScriptPrintingOptions.identityRenamer}) {
   JavaScriptSourceInformationStrategy sourceInformationFactory =
       compiler.backend.sourceInformationStrategy;
   JavaScriptPrintingOptions options = new JavaScriptPrintingOptions(
       shouldCompressOutput: compiler.options.enableMinification,
       minifyLocalVariables: allowVariableMinification,
       preferSemicolonToNewlineInMinifiedOutput: USE_LAZY_EMITTER,
       renamerForNames: renamerForNames);
   CodeBuffer outBuffer = new CodeBuffer();
   SourceInformationProcessor sourceInformationProcessor =
-        sourceInformationFactory.createProcessor(
-            new SourceLocationsMapper(outBuffer));
+      sourceInformationFactory
+          .createProcessor(new SourceLocationsMapper(outBuffer));
   Dart2JSJavaScriptPrintingContext context =
       new Dart2JSJavaScriptPrintingContext(
           compiler.reporter, monitor, outBuffer, sourceInformationProcessor);
   Printer printer = new Printer(options, context);
   printer.visit(node);
   sourceInformationProcessor.process(node, outBuffer);
   return outBuffer;
 }
 
 class Dart2JSJavaScriptPrintingContext implements JavaScriptPrintingContext {
   final DiagnosticReporter reporter;
   final DumpInfoTask monitor;
   final CodeBuffer outBuffer;
   final CodePositionListener codePositionListener;
 
   Dart2JSJavaScriptPrintingContext(
-      this.reporter,
-      this.monitor,
-      this.outBuffer,
-      this.codePositionListener);
+      this.reporter, this.monitor, this.outBuffer, this.codePositionListener);
 
   @override
   void error(String message) {
     reporter.internalError(NO_LOCATION_SPANNABLE, message);
   }
 
   @override
   void emit(String string) {
     outBuffer.add(string);
   }
 
   @override
   void enterNode(Node, int startPosition) {}
 
   @override
-  void exitNode(Node node,
-                int startPosition,
-                int endPosition,
-                int closingPosition) {
+  void exitNode(
+      Node node, int startPosition, int endPosition, int closingPosition) {
     if (monitor != null) {
       monitor.recordAstSize(node, endPosition - startPosition);
     }
     codePositionListener.onPositions(
         node, startPosition, endPosition, closingPosition);
   }
 }
 
 /// Interface for ast nodes that encapsulate an ast that needs to be
 /// traversed when counting tokens.
@@ skipping 28 matching lines @@
 abstract class ReferenceCountedAstNode implements Node {
   markSeen(TokenCounter visitor);
 }
 
 /// Represents the LiteralString resulting from unparsing [expression]. The
 /// actual unparsing is done on demand when requesting the [value] of this
 /// node.
 ///
 /// This is used when generated code needs to be represented as a string,
 /// for example by the lazy emitter or when generating code generators.
-class UnparsedNode extends DeferredString
-                   implements AstContainer {
+class UnparsedNode extends DeferredString implements AstContainer {
   @override
   final Node tree;
   final Compiler _compiler;
   final bool _protectForEval;
   LiteralString _cachedLiteral;
 
   Iterable<Node> get containedNodes => [tree];
 
   /// A [js.Literal] that represents the string result of unparsing [ast].
   ///
   /// When its string [value] is requested, the node pretty-prints the given
   /// [ast] and, if [protectForEval] is true, wraps the resulting string in
   /// parenthesis. The result is also escaped.
   UnparsedNode(this.tree, this._compiler, this._protectForEval);
 
   LiteralString get _literal {
     if (_cachedLiteral == null) {
       String text = prettyPrint(tree, _compiler);
       if (_protectForEval) {
         if (tree is Fun) text = '($text)';
         if (tree is LiteralExpression) {
           LiteralExpression literalExpression = tree;
           String template = literalExpression.template;
-          if (template.startsWith("function ") ||
-          template.startsWith("{")) {
+          if (template.startsWith("function ") || template.startsWith("{")) {
             text = '($text)';
           }
         }
       }
       _cachedLiteral = js.escapedString(text);
     }
     return _cachedLiteral;
   }
 
   @override
@@ skipping 21 matching lines @@
   }
   if (node is PropertyAccess) {
     PropertyAccess access = node;
     if (access.receiver is InterpolatedExpression) {
       InterpolatedExpression hole = access.receiver;
       return hole.isPositional && hole.nameOrPosition == 0;
     }
   }
   return false;
 }