Change core lib, dart2js, and more for new optional parameters syntax

lib/compiler/implementation/ssa/nodes.dart

 // Copyright (c) 2012, 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.
 
 abstract class HVisitor<R> {
   R visitAdd(HAdd node);
   R visitBailoutTarget(HBailoutTarget node);
   R visitBitAnd(HBitAnd node);
   R visitBitNot(HBitNot node);
   R visitBitOr(HBitOr node);
@@ skipping 1388 matching lines @@
   }
 
   HType computeDesiredTypeForNonTargetInput(HInstruction input,
                                             HTypeMap types) {
     return HType.UNKNOWN;
   }
 }
 
 class HInvokeSuper extends HInvokeStatic {
   final bool isSetter;
-  HInvokeSuper(inputs, [this.isSetter = false]) : super(inputs);
+  HInvokeSuper(inputs, {this.isSetter: false}) : super(inputs);
   toString() => 'invoke super: ${element.name}';
   accept(HVisitor visitor) => visitor.visitInvokeSuper(this);
 
   HInstruction get value {
     assert(isSetter);
     // Index 0: the element, index 1: 'this'.
     return inputs[2];
   }
 }
 
@@ skipping 77 matching lines @@
   final Element element;
 
   HFieldAccess(Element element, List<HInstruction> inputs)
       : this.element = element,
         super(inputs);
 }
 
 class HFieldGet extends HFieldAccess {
   final bool isAssignable;
 
-  HFieldGet(Element element, HInstruction receiver, [bool isAssignable])
+  HFieldGet(Element element, HInstruction receiver, {bool isAssignable})
       : this.isAssignable = (isAssignable !== null)
             ? isAssignable
             : element.isAssignable(),
         super(element, <HInstruction>[receiver]);
 
   HInstruction get receiver => inputs[0];
 
   accept(HVisitor visitor) => visitor.visitFieldGet(this);
 
   void prepareGvn(HTypeMap types) {
@@ skipping 874 matching lines @@
 }
 
 class HReturn extends HControlFlow {
   HReturn(value) : super(<HInstruction>[value]);
   toString() => 'return';
   accept(HVisitor visitor) => visitor.visitReturn(this);
 }
 
 class HThrow extends HControlFlow {
   final bool isRethrow;
-  HThrow(value, [this.isRethrow = false]) : super(<HInstruction>[value]);
+  HThrow(value, {this.isRethrow: false}) : super(<HInstruction>[value]);
   toString() => 'throw';
   accept(HVisitor visitor) => visitor.visitThrow(this);
 }
 
 class HStatic extends HInstruction {
   final Element element;
   HStatic(this.element) : super(<HInstruction>[]) {
     assert(element !== null);
     assert(invariant(this, element.isDeclaration));
   }
@@ skipping 401 matching lines @@
 
 
 class HLabeledBlockInformation implements HStatementInformation {
   final HStatementInformation body;
   final List<LabelElement> labels;
   final TargetElement target;
   final bool isContinue;
 
   HLabeledBlockInformation(this.body,
                            List<LabelElement> labels,
-                           [this.isContinue = false]) :
+                           {this.isContinue: false}) :
       this.labels = labels, this.target = labels[0].target;
 
   HLabeledBlockInformation.implicit(this.body,
                                     this.target,
-                                    [this.isContinue = false])
+                                    {this.isContinue: false})
       : this.labels = const<LabelElement>[];
 
   HBasicBlock get start => body.start;
   HBasicBlock get end => body.end;
 
   bool accept(HStatementInformationVisitor visitor) =>
     visitor.visitLabeledBlockInfo(this);
 }
 
 class LoopTypeVisitor extends Visitor {
@@ skipping 134 matching lines @@
   HBasicBlock get start => expression.start;
   HBasicBlock get end {
     // We don't create a switch block if there are no cases.
     assert(!statements.isEmpty());
     return statements.last().end;
   }
 
   bool accept(HStatementInformationVisitor visitor) =>
       visitor.visitSwitchInfo(this);
 }