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tag: v0.7.7
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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SRC_NODE_INTERNALS_H_
#define SRC_NODE_INTERNALS_H_
#include "v8.h"
namespace node {
#ifndef offset_of
// g++ in strict mode complains loudly about the system offsetof() macro
// because it uses NULL as the base address.
#define offset_of(type, member) \
((intptr_t) ((char *) &(((type *) 8)->member) - 8))
#endif
#ifndef container_of
#define container_of(ptr, type, member) \
((type *) ((char *) (ptr) - offset_of(type, member)))
#endif
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
#endif
// this would have been a template function were it not for the fact that g++
// sometimes fails to resolve it...
#define THROW_ERROR(fun) \
do { \
v8::HandleScope scope; \
return v8::ThrowException(fun(v8::String::New(errmsg))); \
} \
while (0)
inline static v8::Handle<v8::Value> ThrowError(const char* errmsg) {
THROW_ERROR(v8::Exception::Error);
}
inline static v8::Handle<v8::Value> ThrowTypeError(const char* errmsg) {
THROW_ERROR(v8::Exception::TypeError);
}
inline static v8::Handle<v8::Value> ThrowRangeError(const char* errmsg) {
THROW_ERROR(v8::Exception::RangeError);
}
} // namespace node
#endif // SRC_NODE_INTERNALS_H_
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