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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_H_
#define SRC_NODE_H_

#ifdef _WIN32
# ifndef BUILDING_NODE_EXTENSION
#   define NODE_EXTERN __declspec(dllexport)
# else
#   define NODE_EXTERN __declspec(dllimport)
# endif
#else
# define NODE_EXTERN /* nothing */
#endif

#ifdef BUILDING_NODE_EXTENSION
# undef BUILDING_V8_SHARED
# undef BUILDING_UV_SHARED
# define USING_V8_SHARED 1
# define USING_UV_SHARED 1
#endif

// This should be defined in make system.
// See issue https://github.com/joyent/node/issues/1236
#if defined(__MINGW32__) || defined(_MSC_VER)
#ifndef _WIN32_WINNT
# define _WIN32_WINNT   0x0501
#endif

#define NOMINMAX

#endif

#if defined(_MSC_VER)
#define PATH_MAX MAX_PATH
#endif

#ifdef _WIN32
# define SIGKILL         9
#endif

#include "uv.h"
#include "v8.h"
#include  /* struct stat */
#include 
#include 

#include "node_object_wrap.h"

#if NODE_WANT_INTERNALS
# include "node_internals.h"
#endif

#ifndef NODE_STRINGIFY
#define NODE_STRINGIFY(n) NODE_STRINGIFY_HELPER(n)
#define NODE_STRINGIFY_HELPER(n) #n
#endif

namespace node {

int Start(int argc, char *argv[]);

char** Init(int argc, char *argv[]);
v8::Handle SetupProcessObject(int argc, char *argv[]);
void Load(v8::Handle process);
void EmitExit(v8::Handle process);

#define NODE_PSYMBOL(s) \
  v8::Persistent::New(v8::String::NewSymbol(s))

/* Converts a unixtime to V8 Date */
#define NODE_UNIXTIME_V8(t) v8::Date::New(1000*static_cast(t))
#define NODE_V8_UNIXTIME(v) (static_cast((v)->NumberValue())/1000.0);

#define NODE_DEFINE_CONSTANT(target, constant)                            \
  (target)->Set(v8::String::NewSymbol(#constant),                         \
                v8::Integer::New(constant),                               \
                static_cast(                       \
                    v8::ReadOnly|v8::DontDelete))

template 
void SetMethod(target_t obj, const char* name,
        v8::InvocationCallback callback)
{
    obj->Set(v8::String::NewSymbol(name),
        v8::FunctionTemplate::New(callback)->GetFunction());
}

template 
void SetPrototypeMethod(target_t target,
        const char* name, v8::InvocationCallback callback)
{
    v8::Local templ = v8::FunctionTemplate::New(callback);
    target->PrototypeTemplate()->Set(v8::String::NewSymbol(name), templ);
}

// for backwards compatibility
#define NODE_SET_METHOD node::SetMethod
#define NODE_SET_PROTOTYPE_METHOD node::SetPrototypeMethod

enum encoding {ASCII, UTF8, BASE64, UCS2, BINARY, HEX};
enum encoding ParseEncoding(v8::Handle encoding_v,
                            enum encoding _default = BINARY);
NODE_EXTERN void FatalException(v8::TryCatch &try_catch);
void DisplayExceptionLine(v8::TryCatch &try_catch); // hack

v8::Local Encode(const void *buf, size_t len,
                            enum encoding encoding = BINARY);

// Returns -1 if the handle was not valid for decoding
ssize_t DecodeBytes(v8::Handle,
                    enum encoding encoding = BINARY);

// returns bytes written.
ssize_t DecodeWrite(char *buf,
                    size_t buflen,
                    v8::Handle,
                    enum encoding encoding = BINARY);

// Use different stat structs & calls on windows and posix;
// on windows, _stati64 is utf-8 and big file aware.
#if __POSIX__
# define NODE_STAT        stat
# define NODE_FSTAT       fstat
# define NODE_STAT_STRUCT struct stat
#else // _WIN32
# define NODE_STAT        _stati64
# define NODE_FSTAT       _fstati64
# define NODE_STAT_STRUCT struct _stati64
#endif

v8::Local BuildStatsObject(NODE_STAT_STRUCT *s);


/**
 * Call this when your constructor is invoked as a regular function, e.g.
 * Buffer(10) instead of new Buffer(10).
 * @param constructorTemplate Constructor template to instantiate from.
 * @param args The arguments object passed to your constructor.
 * @see v8::Arguments::IsConstructCall
 */
v8::Handle FromConstructorTemplate(
    v8::Persistent& constructorTemplate,
    const v8::Arguments& args);


static inline v8::Persistent* cb_persist(
    const v8::Local &v) {
  v8::Persistent *fn = new v8::Persistent();
  *fn = v8::Persistent::New(v8::Local::Cast(v));
  return fn;
}

static inline v8::Persistent* cb_unwrap(void *data) {
  v8::Persistent *cb =
    reinterpret_cast(data);
  assert((*cb)->IsFunction());
  return cb;
}

static inline void cb_destroy(v8::Persistent * cb) {
  cb->Dispose();
  delete cb;
}

NODE_EXTERN v8::Local ErrnoException(int errorno,
                                                const char *syscall = NULL,
                                                const char *msg = "",
                                                const char *path = NULL);

NODE_EXTERN v8::Local UVException(int errorno,
                                             const char *syscall = NULL,
                                             const char *msg     = NULL,
                                             const char *path    = NULL);

#ifdef _WIN32
NODE_EXTERN v8::Local WinapiErrnoException(int errorno,
    const char *syscall = NULL,  const char *msg = "",
    const char *path = NULL);
#endif

const char *signo_string(int errorno);

struct node_module_struct {
  int version;
  void *dso_handle;
  const char *filename;
  void (*register_func) (v8::Handle target);
  const char *modname;
};

node_module_struct* get_builtin_module(const char *name);

/**
 * When this version number is changed, node.js will refuse
 * to load older modules.  This should be done whenever
 * an API is broken in the C++ side, including in v8 or
 * other dependencies
 */
#define NODE_MODULE_VERSION (1)

#define NODE_STANDARD_MODULE_STUFF \
          NODE_MODULE_VERSION,     \
          NULL,                    \
          __FILE__

#ifdef _WIN32
# define NODE_MODULE_EXPORT __declspec(dllexport)
#else
# define NODE_MODULE_EXPORT /* empty */
#endif

#define NODE_MODULE(modname, regfunc)                                 \
  extern "C" {                                                        \
    NODE_MODULE_EXPORT node::node_module_struct modname ## _module =  \
    {                                                                 \
      NODE_STANDARD_MODULE_STUFF,                                     \
      regfunc,                                                        \
      NODE_STRINGIFY(modname)                                         \
    };                                                                \
  }

#define NODE_MODULE_DECL(modname) \
  extern "C" node::node_module_struct modname ## _module;

NODE_EXTERN void SetErrno(uv_err_t err);
NODE_EXTERN void MakeCallback(v8::Handle object,
                              const char* method,
                              int argc,
                              v8::Handle argv[]);

}  // namespace node
#endif  // SRC_NODE_H_

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