webkitgtk-2.10.2webkitgtk-2.10.2

1 files changed, 165 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGCommon.cpp b/Source/JavaScriptCore/dfg/DFGCommon.cpp
new file mode 100644
index 000000000..cd2a12c73
--- /dev/null
+++ b/Source/JavaScriptCore/dfg/DFGCommon.cpp
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2013-2015 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "DFGCommon.h"
+
+#include "DFGNode.h"
+#include "JSCInlines.h"
+#include <wtf/PrintStream.h>
+
+#if ENABLE(DFG_JIT)
+
+namespace JSC { namespace DFG {
+
+static StaticLock crashLock;
+
+void startCrashing()
+{
+    crashLock.lock();
+}
+
+bool isCrashing()
+{
+    return crashLock.isLocked();
+}
+
+bool stringLessThan(StringImpl& a, StringImpl& b)
+{
+    unsigned minLength = std::min(a.length(), b.length());
+    for (unsigned i = 0; i < minLength; ++i) {
+        if (a[i] == b[i])
+            continue;
+        return a[i] < b[i];
+    }
+    return a.length() < b.length();
+}
+
+} } // namespace JSC::DFG
+
+namespace WTF {
+
+using namespace JSC::DFG;
+
+void printInternal(PrintStream& out, OptimizationFixpointState state)
+{
+    switch (state) {
+    case BeforeFixpoint:
+        out.print("BeforeFixpoint");
+        return;
+    case FixpointNotConverged:
+        out.print("FixpointNotConverged");
+        return;
+    case FixpointConverged:
+        out.print("FixpointConverged");
+        return;
+    }
+    RELEASE_ASSERT_NOT_REACHED();
+}
+
+void printInternal(PrintStream& out, GraphForm form)
+{
+    switch (form) {
+    case LoadStore:
+        out.print("LoadStore");
+        return;
+    case ThreadedCPS:
+        out.print("ThreadedCPS");
+        return;
+    case SSA:
+        out.print("SSA");
+        return;
+    }
+    RELEASE_ASSERT_NOT_REACHED();
+}
+
+void printInternal(PrintStream& out, UnificationState state)
+{
+    switch (state) {
+    case LocallyUnified:
+        out.print("LocallyUnified");
+        return;
+    case GloballyUnified:
+        out.print("GloballyUnified");
+        return;
+    }
+    RELEASE_ASSERT_NOT_REACHED();
+}
+
+void printInternal(PrintStream& out, RefCountState state)
+{
+    switch (state) {
+    case EverythingIsLive:
+        out.print("EverythingIsLive");
+        return;
+    case ExactRefCount:
+        out.print("ExactRefCount");
+        return;
+    }
+    RELEASE_ASSERT_NOT_REACHED();
+}
+
+void printInternal(PrintStream& out, ProofStatus status)
+{
+    switch (status) {
+    case IsProved:
+        out.print("IsProved");
+        return;
+    case NeedsCheck:
+        out.print("NeedsCheck");
+        return;
+    }
+    RELEASE_ASSERT_NOT_REACHED();
+}
+
+} // namespace WTF
+
+#endif // ENABLE(DFG_JIT)
+
+namespace WTF {
+
+using namespace JSC::DFG;
+
+void printInternal(PrintStream& out, CapabilityLevel capabilityLevel)
+{
+    switch (capabilityLevel) {
+    case CannotCompile:
+        out.print("CannotCompile");
+        return;
+    case CanCompile:
+        out.print("CanCompile");
+        return;
+    case CanCompileAndInline:
+        out.print("CanCompileAndInline");
+        return;
+    case CapabilityLevelNotSet:
+        out.print("CapabilityLevelNotSet");
+        return;
+    }
+    RELEASE_ASSERT_NOT_REACHED();
+}
+
+} // namespace WTF
+