1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
// 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 "node.h"
#include "util.h"
#include "util-inl.h"
#include "uv.h"
#include "v8.h"
#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
struct sockaddr;
namespace node {
// Forward declaration
class Environment;
// If persistent.IsWeak() == false, then do not call persistent.Reset()
// while the returned Local<T> is still in scope, it will destroy the
// reference to the object.
template <class TypeName>
inline v8::Local<TypeName> PersistentToLocal(
v8::Isolate* isolate,
const v8::Persistent<TypeName>& persistent);
// Call with valid HandleScope and while inside Context scope.
v8::Handle<v8::Value> MakeCallback(Environment* env,
v8::Handle<v8::Object> recv,
const char* method,
int argc = 0,
v8::Handle<v8::Value>* argv = NULL);
// Call with valid HandleScope and while inside Context scope.
v8::Handle<v8::Value> MakeCallback(Environment* env,
v8::Handle<v8::Object> recv,
uint32_t index,
int argc = 0,
v8::Handle<v8::Value>* argv = NULL);
// Call with valid HandleScope and while inside Context scope.
v8::Handle<v8::Value> MakeCallback(Environment* env,
v8::Handle<v8::Object> recv,
v8::Handle<v8::String> symbol,
int argc = 0,
v8::Handle<v8::Value>* argv = NULL);
// Call with valid HandleScope and while inside Context scope.
v8::Handle<v8::Value> MakeCallback(Environment* env,
v8::Handle<v8::Value> recv,
v8::Handle<v8::Function> callback,
int argc = 0,
v8::Handle<v8::Value>* argv = NULL);
// Convert a struct sockaddr to a { address: '1.2.3.4', port: 1234 } JS object.
// Sets address and port properties on the info object and returns it.
// If |info| is omitted, a new object is returned.
v8::Local<v8::Object> AddressToJS(
Environment* env,
const sockaddr* addr,
v8::Local<v8::Object> info = v8::Handle<v8::Object>());
#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 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
#if defined(__GNUC__) && __GNUC__ >= 4
# define MUST_USE_RESULT __attribute__((warn_unused_result))
# define NO_RETURN __attribute__((noreturn))
#else
# define MUST_USE_RESULT
# define NO_RETURN
#endif
void AppendExceptionLine(Environment* env,
v8::Handle<v8::Value> er,
v8::Handle<v8::Message> message);
NO_RETURN void FatalError(const char* location, const char* message);
v8::Local<v8::Value> BuildStatsObject(Environment* env, const uv_stat_t* s);
enum Endianness {
kLittleEndian, // _Not_ LITTLE_ENDIAN, clashes with endian.h.
kBigEndian
};
inline enum Endianness GetEndianness() {
// Constant-folded by the compiler.
const union {
uint8_t u8[2];
uint16_t u16;
} u = {
{ 1, 0 }
};
return u.u16 == 1 ? kLittleEndian : kBigEndian;
}
inline bool IsLittleEndian() {
return GetEndianness() == kLittleEndian;
}
inline bool IsBigEndian() {
return GetEndianness() == kBigEndian;
}
// parse index for external array data
inline MUST_USE_RESULT bool ParseArrayIndex(v8::Handle<v8::Value> arg,
size_t def,
size_t* ret) {
if (arg->IsUndefined()) {
*ret = def;
return true;
}
int32_t tmp_i = arg->Int32Value();
if (tmp_i < 0)
return false;
*ret = static_cast<size_t>(tmp_i);
return true;
}
void ThrowError(v8::Isolate* isolate, const char* errmsg);
void ThrowTypeError(v8::Isolate* isolate, const char* errmsg);
void ThrowRangeError(v8::Isolate* isolate, const char* errmsg);
void ThrowErrnoException(v8::Isolate* isolate,
int errorno,
const char* syscall = NULL,
const char* message = NULL,
const char* path = NULL);
void ThrowUVException(v8::Isolate* isolate,
int errorno,
const char* syscall = NULL,
const char* message = NULL,
const char* path = NULL);
NODE_DEPRECATED("Use ThrowError(isolate)",
inline void ThrowError(const char* errmsg) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
return ThrowError(isolate, errmsg);
})
NODE_DEPRECATED("Use ThrowTypeError(isolate)",
inline void ThrowTypeError(const char* errmsg) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
return ThrowTypeError(isolate, errmsg);
})
NODE_DEPRECATED("Use ThrowRangeError(isolate)",
inline void ThrowRangeError(const char* errmsg) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
return ThrowRangeError(isolate, errmsg);
})
NODE_DEPRECATED("Use ThrowErrnoException(isolate)",
inline void ThrowErrnoException(int errorno,
const char* syscall = NULL,
const char* message = NULL,
const char* path = NULL) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
return ThrowErrnoException(isolate, errorno, syscall, message, path);
})
NODE_DEPRECATED("Use ThrowUVException(isolate)",
inline void ThrowUVException(int errorno,
const char* syscall = NULL,
const char* message = NULL,
const char* path = NULL) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
return ThrowUVException(isolate, errorno, syscall, message, path);
})
inline void NODE_SET_EXTERNAL(v8::Handle<v8::ObjectTemplate> target,
const char* key,
v8::AccessorGetterCallback getter) {
v8::Isolate* isolate = v8::Isolate::GetCurrent();
v8::HandleScope handle_scope(isolate);
v8::Local<v8::String> prop = v8::String::NewFromUtf8(isolate, key);
target->SetAccessor(prop,
getter,
NULL,
v8::Handle<v8::Value>(),
v8::DEFAULT,
static_cast<v8::PropertyAttribute>(v8::ReadOnly |
v8::DontDelete));
}
} // namespace node
#endif // SRC_NODE_INTERNALS_H_
|
