Index: sdk/lib/_internal/compiler/implementation/universe/side_effects.dart |
diff --git a/sdk/lib/_internal/compiler/implementation/universe/side_effects.dart b/sdk/lib/_internal/compiler/implementation/universe/side_effects.dart |
deleted file mode 100644 |
index e4a1fa4ef4e95b8b51a3a88d430b6a5f149dd9b9..0000000000000000000000000000000000000000 |
--- a/sdk/lib/_internal/compiler/implementation/universe/side_effects.dart |
+++ /dev/null |
@@ -1,107 +0,0 @@ |
-// 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. |
- |
-part of universe; |
- |
-class SideEffects { |
- // Changes flags. |
- static const int FLAG_CHANGES_INDEX = 0; |
- static const int FLAG_CHANGES_INSTANCE_PROPERTY = FLAG_CHANGES_INDEX + 1; |
- static const int FLAG_CHANGES_STATIC_PROPERTY |
- = FLAG_CHANGES_INSTANCE_PROPERTY + 1; |
- static const int FLAG_CHANGES_COUNT = FLAG_CHANGES_STATIC_PROPERTY + 1; |
- |
- // Depends flags (one for each changes flag). |
- static const int FLAG_DEPENDS_ON_INDEX_STORE = FLAG_CHANGES_COUNT; |
- static const int FLAG_DEPENDS_ON_INSTANCE_PROPERTY_STORE = |
- FLAG_DEPENDS_ON_INDEX_STORE + 1; |
- static const int FLAG_DEPENDS_ON_STATIC_PROPERTY_STORE = |
- FLAG_DEPENDS_ON_INSTANCE_PROPERTY_STORE + 1; |
- static const int FLAG_DEPENDS_ON_COUNT = |
- FLAG_DEPENDS_ON_STATIC_PROPERTY_STORE + 1; |
- |
- int flags = 0; |
- |
- SideEffects() { |
- setAllSideEffects(); |
- setDependsOnSomething(); |
- } |
- |
- SideEffects.empty(); |
- |
- bool operator==(other) => flags == other.flags; |
- |
- int get hashCode => throw new UnsupportedError('SideEffects.hashCode'); |
- |
- bool getFlag(int position) => (flags & (1 << position)) != 0; |
- void setFlag(int position) { flags |= (1 << position); } |
- |
- int getChangesFlags() => flags & ((1 << FLAG_CHANGES_COUNT) - 1); |
- int getDependsOnFlags() { |
- return (flags & ((1 << FLAG_DEPENDS_ON_COUNT) - 1)) >> FLAG_CHANGES_COUNT; |
- } |
- |
- bool hasSideEffects() => getChangesFlags() != 0; |
- bool dependsOnSomething() => getDependsOnFlags() != 0; |
- |
- void setAllSideEffects() { flags |= ((1 << FLAG_CHANGES_COUNT) - 1); } |
- |
- void clearAllSideEffects() { flags &= ~((1 << FLAG_CHANGES_COUNT) - 1); } |
- |
- void setDependsOnSomething() { |
- int count = FLAG_DEPENDS_ON_COUNT - FLAG_CHANGES_COUNT; |
- flags |= (((1 << count) - 1) << FLAG_CHANGES_COUNT); |
- } |
- void clearAllDependencies() { |
- int count = FLAG_DEPENDS_ON_COUNT - FLAG_CHANGES_COUNT; |
- flags &= ~(((1 << count) - 1) << FLAG_CHANGES_COUNT); |
- } |
- |
- bool dependsOnStaticPropertyStore() { |
- return getFlag(FLAG_DEPENDS_ON_STATIC_PROPERTY_STORE); |
- } |
- void setDependsOnStaticPropertyStore() { |
- setFlag(FLAG_DEPENDS_ON_STATIC_PROPERTY_STORE); |
- } |
- void setChangesStaticProperty() { setFlag(FLAG_CHANGES_STATIC_PROPERTY); } |
- bool changesStaticProperty() => getFlag(FLAG_CHANGES_STATIC_PROPERTY); |
- |
- bool dependsOnIndexStore() => getFlag(FLAG_DEPENDS_ON_INDEX_STORE); |
- void setDependsOnIndexStore() { setFlag(FLAG_DEPENDS_ON_INDEX_STORE); } |
- void setChangesIndex() { setFlag(FLAG_CHANGES_INDEX); } |
- bool changesIndex() => getFlag(FLAG_CHANGES_INDEX); |
- |
- bool dependsOnInstancePropertyStore() { |
- return getFlag(FLAG_DEPENDS_ON_INSTANCE_PROPERTY_STORE); |
- } |
- void setDependsOnInstancePropertyStore() { |
- setFlag(FLAG_DEPENDS_ON_INSTANCE_PROPERTY_STORE); |
- } |
- void setChangesInstanceProperty() { setFlag(FLAG_CHANGES_INSTANCE_PROPERTY); } |
- bool changesInstanceProperty() => getFlag(FLAG_CHANGES_INSTANCE_PROPERTY); |
- |
- static int computeDependsOnFlags(int flags) => flags << FLAG_CHANGES_COUNT; |
- |
- bool dependsOn(int dependsFlags) => (flags & dependsFlags) != 0; |
- |
- void add(SideEffects other) { |
- flags |= other.flags; |
- } |
- |
- String toString() { |
- StringBuffer buffer = new StringBuffer(); |
- buffer.write('Depends on'); |
- if (dependsOnIndexStore()) buffer.write(' []'); |
- if (dependsOnInstancePropertyStore()) buffer.write(' field store'); |
- if (dependsOnStaticPropertyStore()) buffer.write(' static store'); |
- if (!dependsOnSomething()) buffer.write(' nothing'); |
- buffer.write(', Changes'); |
- if (changesIndex()) buffer.write(' []'); |
- if (changesInstanceProperty()) buffer.write(' field'); |
- if (changesStaticProperty()) buffer.write(' static'); |
- if (!hasSideEffects()) buffer.write(' nothing'); |
- buffer.write('.'); |
- return buffer.toString(); |
- } |
-} |