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148 lines (128 loc) · 5.58 KB
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#include <emscripten/bind.h>
#ifdef USE_CXA_DEMANGLE
#include <../lib/libcxxabi/include/cxxabi.h>
#endif
#include <list>
#include <vector>
#include <typeinfo>
#include <algorithm>
#include <emscripten/emscripten.h>
#include <climits>
#include <limits>
using namespace emscripten;
extern "C" {
const char* __attribute__((used)) __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", ti);
return strdup(str);
}
}
}
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_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,
};
template<typename T>
constexpr TypedArrayIndex getTypedArrayIndex() {
static_assert(
(std::is_floating_point<T>::value && (sizeof(T) == 4 || sizeof(T) == 8)) ||
(std::is_integral<T>::value && (sizeof(T) == 1 || sizeof(T) == 2 || sizeof(T) == 4)),
"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)
: (std::is_signed<T>::value ? Int32Array : Uint32Array)));
}
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);
}
}
EMSCRIPTEN_BINDINGS(native_and_builtin_types) {
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");
register_integer<signed long>("long");
register_integer<unsigned long>("unsigned long");
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_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<float>("emscripten::memory_view<float>");
register_memory_view<double>("emscripten::memory_view<double>");
register_memory_view<long double>("emscripten::memory_view<long double>");
}