diff options
Diffstat (limited to 'source/core/platform.cpp')
| -rw-r--r-- | source/core/platform.cpp | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/source/core/platform.cpp b/source/core/platform.cpp deleted file mode 100644 index 0deec8ed6..000000000 --- a/source/core/platform.cpp +++ /dev/null @@ -1,172 +0,0 @@ -// platform.cpp -#include "platform.h" - -#include "common.h" - -#ifdef _WIN32 - #define WIN32_LEAN_AND_MEAN - #define NOMINMAX - #include <Windows.h> - #undef WIN32_LEAN_AND_MEAN - #undef NOMINMAX -#else - #include "slang-string.h" - #include <dlfcn.h> -#endif - -namespace Slang -{ - // SharedLibrary - -/* static */SlangResult SharedLibrary::load(const char* filename, SharedLibrary::Handle& handleOut) -{ - StringBuilder builder; - appendPlatformFileName(UnownedStringSlice(filename), builder); - return loadWithPlatformFilename(builder.begin(), handleOut); -} - -#ifdef _WIN32 - -// Make sure SlangResult match for common standard window HRESULT -SLANG_COMPILE_TIME_ASSERT(E_FAIL == SLANG_FAIL); -SLANG_COMPILE_TIME_ASSERT(E_NOINTERFACE == SLANG_E_NO_INTERFACE); -SLANG_COMPILE_TIME_ASSERT(E_HANDLE == SLANG_E_INVALID_HANDLE); -SLANG_COMPILE_TIME_ASSERT(E_NOTIMPL == SLANG_E_NOT_IMPLEMENTED); -SLANG_COMPILE_TIME_ASSERT(E_INVALIDARG == SLANG_E_INVALID_ARG); -SLANG_COMPILE_TIME_ASSERT(E_OUTOFMEMORY == SLANG_E_OUT_OF_MEMORY); - -/* static */SlangResult PlatformUtil::appendResult(SlangResult res, StringBuilder& builderOut) -{ - if (SLANG_FAILED(res) && res != SLANG_FAIL) - { - LPWSTR buffer = nullptr; - FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER, - nullptr, - res, - MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language - (LPWSTR)&buffer, - 0, - nullptr); - - if (buffer) - { - builderOut << " "; - // Convert to string - builderOut.Append(String::fromWString(buffer)); - LocalFree(buffer); - return SLANG_OK; - } - } - return SLANG_FAIL; -} - -/* static */SlangResult SharedLibrary::loadWithPlatformFilename(char const* platformFileName, SharedLibrary::Handle& handleOut) -{ - handleOut = nullptr; - // https://docs.microsoft.com/en-us/windows/desktop/api/libloaderapi/nf-libloaderapi-loadlibrarya - const HMODULE h = LoadLibraryA(platformFileName); - if (!h) - { - const DWORD lastError = GetLastError(); - switch (lastError) - { - case ERROR_MOD_NOT_FOUND: - case ERROR_PATH_NOT_FOUND: - case ERROR_FILE_NOT_FOUND: - { - return SLANG_E_NOT_FOUND; - } - case ERROR_INVALID_ACCESS: - case ERROR_ACCESS_DENIED: - case ERROR_INVALID_DATA: - { - return SLANG_E_CANNOT_OPEN; - } - default: break; - } - // Turn to Result, if not one of the well known errors - return HRESULT_FROM_WIN32(lastError); - } - handleOut = (Handle)h; - return SLANG_OK; -} - -/* static */void SharedLibrary::unload(Handle handle) -{ - SLANG_ASSERT(handle); - ::FreeLibrary((HMODULE)handle); -} - -/* static */SharedLibrary::FuncPtr SharedLibrary::findFuncByName(Handle handle, char const* name) -{ - SLANG_ASSERT(handle); - return (FuncPtr)GetProcAddress((HMODULE)handle, name); -} - -/* static */void SharedLibrary::appendPlatformFileName(const UnownedStringSlice& name, StringBuilder& dst) -{ - // Windows doesn't need the extension or any prefix to work - dst.Append(name); -} - -#else // _WIN32 - -/* static */SlangResult PlatformUtil::appendResult(SlangResult res, StringBuilder& builderOut) -{ - return SLANG_E_NOT_IMPLEMENTED; -} - -/* static */SlangResult SharedLibrary::loadWithPlatformFilename(char const* platformFileName, Handle& handleOut) -{ - handleOut = nullptr; - - void* h = dlopen(platformFileName, RTLD_NOW | RTLD_LOCAL); - if(!h) - { -#if 0 - // We can't output the error message here, because it will cause output when testing what code gen is available - if(auto msg = dlerror()) - { - fprintf(stderr, "error: %s\n", msg); - } -#endif - return SLANG_FAIL; - } - handleOut = (Handle)h; - return SLANG_OK; -} - -/* static */void SharedLibrary::unload(Handle handle) -{ - SLANG_ASSERT(handle); - dlclose(handle); -} - -/* static */SharedLibrary::FuncPtr SharedLibrary::findFuncByName(Handle handle, char const* name) -{ - SLANG_ASSERT(handle); - return (FuncPtr)dlsym((void*)handle, name); -} - -/* static */void SharedLibrary::appendPlatformFileName(const UnownedStringSlice& name, StringBuilder& dst) -{ -#if __CYGWIN__ - dst.Append(name); - dst.Append(".dll"); -#elif SLANG_APPLE_FAMILY - dst.Append("lib"); - dst.Append(name); - dst.Append(".dylib"); -#elif SLANG_LINUX_FAMILY - dst.Append("lib"); - dst.Append(name); - dst.Append(".so"); -#else - // Just guess we can do with the name on it's own - dst.Append(name); -#endif -} - -#endif // _WIN32 - -} |