webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 45 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/compiler/translator/RemoveSwitchFallThrough.h b/Source/ThirdParty/ANGLE/src/compiler/translator/RemoveSwitchFallThrough.h
new file mode 100644
index 000000000..171c51bf3
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/src/compiler/translator/RemoveSwitchFallThrough.h
@@ -0,0 +1,45 @@
+//
+// Copyright (c) 2002-2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_TRANSLATOR_REMOVESWITCHFALLTHROUGH_H_
+#define COMPILER_TRANSLATOR_REMOVESWITCHFALLTHROUGH_H_
+
+#include "compiler/translator/IntermNode.h"
+
+class RemoveSwitchFallThrough : public TIntermTraverser
+{
+  public:
+    // When given a statementList from a switch AST node, return an updated
+    // statementList that has fall-through removed.
+    static TIntermBlock *removeFallThrough(TIntermBlock *statementList);
+
+  private:
+    RemoveSwitchFallThrough(TIntermBlock *statementList);
+
+    void visitSymbol(TIntermSymbol *node) override;
+    void visitConstantUnion(TIntermConstantUnion *node) override;
+    bool visitBinary(Visit, TIntermBinary *node) override;
+    bool visitUnary(Visit, TIntermUnary *node) override;
+    bool visitTernary(Visit visit, TIntermTernary *node) override;
+    bool visitIfElse(Visit visit, TIntermIfElse *node) override;
+    bool visitSwitch(Visit, TIntermSwitch *node) override;
+    bool visitCase(Visit, TIntermCase *node) override;
+    bool visitAggregate(Visit, TIntermAggregate *node) override;
+    bool visitBlock(Visit, TIntermBlock *node) override;
+    bool visitLoop(Visit, TIntermLoop *node) override;
+    bool visitBranch(Visit, TIntermBranch *node) override;
+
+    void outputSequence(TIntermSequence *sequence, size_t startIndex);
+    void handlePreviousCase();
+
+    TIntermBlock *mStatementList;
+    TIntermBlock *mStatementListOut;
+    bool mLastStatementWasBreak;
+    TIntermBlock *mPreviousCase;
+    std::vector<TIntermBlock *> mCasesSharingBreak;
+};
+
+#endif // COMPILER_TRANSLATOR_REMOVESWITCHFALLTHROUGH_H_