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Unified Diff: src/preparse-data-format.h

Issue 6927075: Strict mode detection in preparser. (Closed)
Patch Set: Added TODO with bugnumber for R Created 9 years, 7 months ago
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Index: src/preparse-data-format.h
diff --git a/src/preparse-data-format.h b/src/preparse-data-format.h
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index 0000000000000000000000000000000000000000..64c4f18169ac353447f3c44002469c5e0640ca84
--- /dev/null
+++ b/src/preparse-data-format.h
@@ -0,0 +1,62 @@
+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * 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.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "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 THE COPYRIGHT
+// OWNER 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.
+
+#ifndef V8_PREPARSE_DATA_FORMAT_H_
+#define V8_PREPARSE_DATA_FORMAT_H_
+
+namespace v8 {
+namespace internal {
+
+// Generic and general data used by preparse data recorders and readers.
+
+struct PreparseDataConstants {
+ public:
+ // Layout and constants of the preparse data exchange format.
+ static const unsigned kMagicNumber = 0xBadDead;
+ static const unsigned kCurrentVersion = 6;
+
+ static const int kMagicOffset = 0;
+ static const int kVersionOffset = 1;
+ static const int kHasErrorOffset = 2;
+ static const int kFunctionsSizeOffset = 3;
+ static const int kSymbolCountOffset = 4;
+ static const int kSizeOffset = 5;
+ static const int kHeaderSize = 6;
+
+ // If encoding a message, the following positions are fixed.
+ static const int kMessageStartPos = 0;
+ static const int kMessageEndPos = 1;
+ static const int kMessageArgCountPos = 2;
+ static const int kMessageTextPos = 3;
+
+ static const unsigned char kNumberTerminator = 0x80u;
+};
+
+
+} } // namespace v8::internal.
+
+#endif // V8_PREPARSE_DATA_FORMAT_H_
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