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// platform.h
#ifndef SLANG_CORE_PLATFORM_H_INCLUDED
#define SLANG_CORE_PLATFORM_H_INCLUDED
#include "../../slang.h"
#include "../core/slang-string.h"
namespace Slang
{
// Interface for working with shared libraries
// in a platform-independent fashion.
struct SharedLibrary
{
typedef struct SharedLibraryImpl* Handle;
typedef void(*FuncPtr)(void);
/// Load via an unadorned filename
///
/// @param the unadorned filename
/// @return Returns a non null handle for the shared library on success. nullptr indicated failure
static SlangResult load(const char* filename, Handle& handleOut);
/// Attempt to load a shared library for
/// the current platform. Returns null handle on failure
/// The platform specific filename can be generated from a call to appendPlatformFileName
///
/// @param platformFileName the platform specific file name.
/// @return Returns a non null handle for the shared library on success. nullptr indicated failure
static SlangResult loadWithPlatformFilename(char const* platformFileName, Handle& handleOut);
/// Unload the library that was returned from load as handle
/// @param The valid handle returned from load
static void unload(Handle handle);
/// Given a shared library handle and a name, return the associated function
/// Return nullptr if function is not found
/// @param The shared library handle as returned by loadPlatformLibrary
static FuncPtr findFuncByName(Handle handle, char const* name);
/// Append to the end of dst, the name, with any platform specific additions
/// The input name should be unadorned with any 'lib' prefix or extension
static void appendPlatformFileName(const UnownedStringSlice& name, StringBuilder& dst);
private:
/// Not constructible!
SharedLibrary();
};
struct PlatformUtil
{
/// Appends a text interpretation of a result (as defined by supporting OS)
/// @param res Result to produce a string for
/// @param builderOut Append the string produced to builderOut
/// @return SLANG_OK if string is found and appended. Fail otherwise. SLANG_E_NOT_IMPLEMENTED if there is no impl for this platform.
static SlangResult appendResult(SlangResult res, StringBuilder& builderOut);
};
#ifndef _MSC_VER
#define _fileno fileno
#define _isatty isatty
#define _setmode setmode
#define _O_BINARY O_BINARY
#endif
}
#endif
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