Index: pkg/compiler/lib/src/js/placeholder_safety.dart |
diff --git a/pkg/compiler/lib/src/js/placeholder_safety.dart b/pkg/compiler/lib/src/js/placeholder_safety.dart |
index b103489dada8fd20a806408d003c7f5cd3f2a957..62140eaeada60df270cc97065bcfb909a87fd4ad 100644 |
--- a/pkg/compiler/lib/src/js/placeholder_safety.dart |
+++ b/pkg/compiler/lib/src/js/placeholder_safety.dart |
@@ -2,7 +2,6 @@ |
// 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.safety; |
import "js.dart" as js; |
@@ -29,8 +28,8 @@ class PlaceholderSafetyAnalysis extends js.BaseVisitor<int> { |
// exceptions. The possible values of expressions are represented by |
// integers. Small non-negative integers 0, 1, 2, ... represent the values of |
// the placeholders. Other values are: |
- static const int NONNULL_VALUE = -1; // Unknown but not null. |
- static const int UNKNOWN_VALUE = -2; // Unknown and might be null. |
+ static const int NONNULL_VALUE = -1; // Unknown but not null. |
+ static const int UNKNOWN_VALUE = -2; // Unknown and might be null. |
PlaceholderSafetyAnalysis._(this.isNullableInput); |
@@ -147,14 +146,14 @@ class PlaceholderSafetyAnalysis extends js.BaseVisitor<int> { |
safe = false; |
return leftToRight(); |
} |
- |
+ |
// Assignment operators dereference the LHS before evaluating the RHS. |
if (node.op != null) return leftToRight(); |
// Assignment (1) evaluates the LHS as a Reference `lval`, (2) evaluates the |
// RHS as a value, (3) dereferences the `lval` in PutValue. |
if (left is js.VariableReference) { |
- int value = visit(right); |
+ int value = visit(right); |
// Assignment could change an observed global or cause a ReferenceError. |
safe = false; |
return value; |
@@ -213,7 +212,7 @@ class PlaceholderSafetyAnalysis extends js.BaseVisitor<int> { |
case "|": |
int left = visit(node.left); |
int right = visit(node.right); |
- return NONNULL_VALUE; // Number, String, Boolean. |
+ return NONNULL_VALUE; // Number, String, Boolean. |
case ',': |
int left = visit(node.left); |
@@ -258,7 +257,7 @@ class PlaceholderSafetyAnalysis extends js.BaseVisitor<int> { |
// "typeof a" first evaluates to a Reference. If the Reference is to a |
// variable that is not present, "undefined" is returned without |
// dereferencing. |
- if (node.argument is js.VariableUse) return NONNULL_VALUE; // A string. |
+ if (node.argument is js.VariableUse) return NONNULL_VALUE; // A string. |
} |
visit(node.argument); |
@@ -273,14 +272,14 @@ class PlaceholderSafetyAnalysis extends js.BaseVisitor<int> { |
return NONNULL_VALUE; |
case 'typeof': |
- return NONNULL_VALUE; // Always a string. |
+ return NONNULL_VALUE; // Always a string. |
case 'void': |
return UNKNOWN_VALUE; |
case '--': |
case '++': |
- return NONNULL_VALUE; // Always a number. |
+ return NONNULL_VALUE; // Always a number. |
default: |
safe = false; |
@@ -291,7 +290,7 @@ class PlaceholderSafetyAnalysis extends js.BaseVisitor<int> { |
int visitPostfix(js.Postfix node) { |
assert(node.op == '--' || node.op == '++'); |
visit(node.argument); |
- return NONNULL_VALUE; // Always a number, even for "(a=null, a++)". |
+ return NONNULL_VALUE; // Always a number, even for "(a=null, a++)". |
} |
int visitVariableUse(js.VariableUse node) { |