| // 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 <stdlib.h> |
| |
| #include "v8.h" |
| |
| namespace node { |
| |
| // Defined in node.cc |
| extern v8::Isolate* node_isolate; |
| |
| // Defined in node.cc at startup. |
| extern v8::Persistent<v8::Object> process; |
| |
| #ifdef _WIN32 |
| // emulate snprintf() on windows, _snprintf() doesn't zero-terminate the buffer |
| // on overflow... |
| #include <stdarg.h> |
| inline static int snprintf(char* buf, unsigned int len, const char* fmt, ...) { |
| va_list ap; |
| va_start(ap, fmt); |
| int n = _vsprintf_p(buf, len, fmt, ap); |
| if (len) buf[len - 1] = '\0'; |
| va_end(ap); |
| return n; |
| } |
| #endif |
| |
| #if defined(__x86_64__) |
| # define BITS_PER_LONG 64 |
| #else |
| # define BITS_PER_LONG 32 |
| #endif |
| |
| #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 |
| |
| #ifndef ROUND_UP |
| # define ROUND_UP(a, b) ((a) % (b) ? ((a) + (b)) - ((a) % (b)) : (a)) |
| #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); |
| } |
| |
| #define UNWRAP(type) \ |
| assert(!args.Holder().IsEmpty()); \ |
| assert(args.Holder()->InternalFieldCount() > 0); \ |
| type* wrap = static_cast<type*>( \ |
| args.Holder()->GetPointerFromInternalField(0)); \ |
| if (!wrap) { \ |
| fprintf(stderr, #type ": Aborting due to unwrap failure at %s:%d\n", \ |
| __FILE__, __LINE__); \ |
| abort(); \ |
| } |
| |
| v8::Handle<v8::Value> FromConstructorTemplate( |
| v8::Persistent<v8::FunctionTemplate> t, |
| const v8::Arguments& args); |
| |
| } // namespace node |
| |
| #endif // SRC_NODE_INTERNALS_H_ |