webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 35 insertions, 0 deletions

diff --git a/Source/ThirdParty/ANGLE/src/compiler/translator/ValidateMaxParameters.cpp b/Source/ThirdParty/ANGLE/src/compiler/translator/ValidateMaxParameters.cpp
new file mode 100644
index 000000000..00b3c9b45
--- /dev/null
+++ b/Source/ThirdParty/ANGLE/src/compiler/translator/ValidateMaxParameters.cpp
@@ -0,0 +1,35 @@
+//
+// Copyright (c) 2016 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.
+//
+// ValidateMaxParameters checks if function definitions have more than a set number of parameters.
+
+#include "compiler/translator/ValidateMaxParameters.h"
+
+ValidateMaxParameters::ValidateMaxParameters(unsigned int maxParameters)
+    : TIntermTraverser(true, false, false), mMaxParameters(maxParameters), mValid(true)
+{
+}
+
+bool ValidateMaxParameters::visitAggregate(Visit visit, TIntermAggregate *node)
+{
+    if (!mValid)
+    {
+        return false;
+    }
+
+    if (node->getOp() == EOpParameters && node->getSequence()->size() > mMaxParameters)
+    {
+        mValid = false;
+    }
+
+    return mValid;
+}
+
+bool ValidateMaxParameters::validate(TIntermNode *root, unsigned int maxParameters)
+{
+    ValidateMaxParameters argsTraverser(maxParameters);
+    root->traverse(&argsTraverser);
+    return argsTraverser.mValid;
+}