-
Notifications
You must be signed in to change notification settings - Fork 3.2k
/
bind.cpp
181 lines (155 loc) · 6.26 KB
/
bind.cpp
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
// Copyright 2012 The Emscripten Authors. All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License. Both these licenses can be
// found in the LICENSE file.
#include <emscripten/bind.h>
#ifdef USE_CXA_DEMANGLE
#include <../lib/libcxxabi/include/cxxabi.h>
#endif
#include <algorithm>
#include <climits>
#include <emscripten/emscripten.h>
#include <emscripten/wire.h>
#include <limits>
#include <list>
#include <typeinfo>
#include <vector>
using namespace emscripten;
using namespace internal;
extern "C" {
const char* EMSCRIPTEN_KEEPALIVE __getTypeName(const std::type_info* ti) {
if (has_unbound_type_names) {
#ifdef USE_CXA_DEMANGLE
int stat;
char* demangled = abi::__cxa_demangle(ti->name(), NULL, NULL, &stat);
if (stat == 0 && demangled) {
return demangled;
}
switch (stat) {
case -1:
return strdup("<allocation failure>");
case -2:
return strdup("<invalid C++ symbol>");
case -3:
return strdup("<invalid argument>");
default:
return strdup("<unknown error>");
}
#else
return strdup(ti->name());
#endif
} else {
char str[80];
sprintf(str, "%p", reinterpret_cast<const void*>(ti));
return strdup(str);
}
}
static InitFunc* init_funcs = nullptr;
EMSCRIPTEN_KEEPALIVE void _embind_initialize_bindings() {
for (auto* f = init_funcs; f; f = f->next) {
f->init_func();
}
}
void _embind_register_bindings(InitFunc* f) {
f->next = init_funcs;
init_funcs = f;
}
}
namespace {
template <typename T> static void register_integer(const char* name) {
using namespace internal;
_embind_register_integer(TypeID<T>::get(), name, sizeof(T), std::numeric_limits<T>::min(),
std::numeric_limits<T>::max());
}
template <typename T> static void register_bigint(const char* name) {
using namespace internal;
_embind_register_bigint(TypeID<T>::get(), name, sizeof(T), std::numeric_limits<T>::min(),
std::numeric_limits<T>::max());
}
template <typename T> static void register_float(const char* name) {
using namespace internal;
_embind_register_float(TypeID<T>::get(), name, sizeof(T));
}
// matches typeMapping in embind.js
enum TypedArrayIndex {
Int8Array,
Uint8Array,
Int16Array,
Uint16Array,
Int32Array,
Uint32Array,
Float32Array,
Float64Array,
// Only available if WASM_BIGINT
Int64Array,
Uint64Array,
};
template <typename T> constexpr TypedArrayIndex getTypedArrayIndex() {
static_assert(internal::typeSupportsMemoryView<T>(), "type does not map to a typed array");
return std::is_floating_point<T>::value
? (sizeof(T) == 4 ? Float32Array : Float64Array)
: (sizeof(T) == 1
? (std::is_signed<T>::value ? Int8Array : Uint8Array)
: (sizeof(T) == 2 ? (std::is_signed<T>::value ? Int16Array : Uint16Array)
: (sizeof(T) == 4 ? (std::is_signed<T>::value ? Int32Array : Uint32Array)
: (std::is_signed<T>::value ? Int64Array : Uint64Array))));
}
template <typename T> static void register_memory_view(const char* name) {
using namespace internal;
_embind_register_memory_view(TypeID<memory_view<T>>::get(), getTypedArrayIndex<T>(), name);
}
} // namespace
EMSCRIPTEN_BINDINGS(builtin) {
using namespace emscripten::internal;
_embind_register_void(TypeID<void>::get(), "void");
_embind_register_bool(TypeID<bool>::get(), "bool", sizeof(bool), true, false);
register_integer<char>("char");
register_integer<signed char>("signed char");
register_integer<unsigned char>("unsigned char");
register_integer<signed short>("short");
register_integer<unsigned short>("unsigned short");
register_integer<signed int>("int");
register_integer<unsigned int>("unsigned int");
#if __wasm64__
register_bigint<signed long>("long");
register_bigint<unsigned long>("unsigned long");
#else
register_integer<signed long>("long");
register_integer<unsigned long>("unsigned long");
#endif
register_bigint<int64_t>("int64_t");
register_bigint<uint64_t>("uint64_t");
register_float<float>("float");
register_float<double>("double");
_embind_register_std_string(TypeID<std::string>::get(), "std::string");
_embind_register_std_string(
TypeID<std::basic_string<unsigned char>>::get(), "std::basic_string<unsigned char>");
_embind_register_std_wstring(TypeID<std::wstring>::get(), sizeof(wchar_t), "std::wstring");
_embind_register_std_wstring(TypeID<std::u16string>::get(), sizeof(char16_t), "std::u16string");
_embind_register_std_wstring(TypeID<std::u32string>::get(), sizeof(char32_t), "std::u32string");
_embind_register_emval(TypeID<val>::get(), "emscripten::val");
// Some of these types are aliases for each other. Luckily,
// embind.js's _embind_register_memory_view ignores duplicate
// registrations rather than asserting, so the first
// register_memory_view call for a particular type will take
// precedence.
register_memory_view<char>("emscripten::memory_view<char>");
register_memory_view<signed char>("emscripten::memory_view<signed char>");
register_memory_view<unsigned char>("emscripten::memory_view<unsigned char>");
register_memory_view<short>("emscripten::memory_view<short>");
register_memory_view<unsigned short>("emscripten::memory_view<unsigned short>");
register_memory_view<int>("emscripten::memory_view<int>");
register_memory_view<unsigned int>("emscripten::memory_view<unsigned int>");
register_memory_view<long>("emscripten::memory_view<long>");
register_memory_view<unsigned long>("emscripten::memory_view<unsigned long>");
register_memory_view<int8_t>("emscripten::memory_view<int8_t>");
register_memory_view<uint8_t>("emscripten::memory_view<uint8_t>");
register_memory_view<int16_t>("emscripten::memory_view<int16_t>");
register_memory_view<uint16_t>("emscripten::memory_view<uint16_t>");
register_memory_view<int32_t>("emscripten::memory_view<int32_t>");
register_memory_view<uint32_t>("emscripten::memory_view<uint32_t>");
register_memory_view<int64_t>("emscripten::memory_view<int64_t>");
register_memory_view<uint64_t>("emscripten::memory_view<uint64_t>");
register_memory_view<float>("emscripten::memory_view<float>");
register_memory_view<double>("emscripten::memory_view<double>");
}