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// main.cpp
#include "../../slang.h"
SLANG_API void spSetCommandLineCompilerMode(SlangCompileRequest* request);
#include "../core/slang-io.h"
#include "../core/slang-test-tool-util.h"
using namespace Slang;
#include <assert.h>
#ifdef _WIN32
#define MAIN slangc_main
#else
#define MAIN main
#endif
static void _diagnosticCallback(
char const* message,
void* /*userData*/)
{
auto stdError = StdWriters::getError();
stdError.put(message);
stdError.flush();
}
static SlangResult _compile(SlangCompileRequest* compileRequest, int argc, const char*const* argv)
{
spSetDiagnosticCallback(compileRequest, &_diagnosticCallback, nullptr);
spSetCommandLineCompilerMode(compileRequest);
char const* appName = "slangc";
if (argc > 0) appName = argv[0];
{
const SlangResult res = spProcessCommandLineArguments(compileRequest, &argv[1], argc - 1);
if (SLANG_FAILED(res))
{
// TODO: print usage message
return res;
}
}
SlangResult res = SLANG_OK;
#ifndef _DEBUG
try
#endif
{
// Run the compiler (this will produce any diagnostics through SLANG_WRITER_TARGET_TYPE_DIAGNOSTIC).
res = spCompile(compileRequest);
// If the compilation failed, then get out of here...
// Turn into an internal Result -> such that return code can be used to vary result to match previous behavior
res = SLANG_FAILED(res) ? SLANG_E_INTERNAL_FAIL : res;
}
#ifndef _DEBUG
catch (const Exception& e)
{
StdWriters::getOut().print("internal compiler error: %S\n", e.Message.toWString().begin());
res = SLANG_FAIL;
}
#endif
return res;
}
SLANG_TEST_TOOL_API SlangResult innerMain(StdWriters* stdWriters, slang::IGlobalSession* sharedSession, int argc, const char*const* argv)
{
StdWriters::setSingleton(stdWriters);
// Assume we will used the shared session
ComPtr<slang::IGlobalSession> session(sharedSession);
// The sharedSession always has a pre-loaded stdlib, is sharedSession is not nullptr.
// This differed test checks if the command line has an option to setup the stdlib.
// If so we *don't* use the sharedSession, and create a new stdlib-less session just for this compilation.
if (TestToolUtil::hasDeferredStdLib(Index(argc - 1), argv + 1))
{
SLANG_RETURN_ON_FAIL(slang_createGlobalSessionWithoutStdLib(SLANG_API_VERSION, session.writeRef()));
}
else if (!session)
{
// Just create the global session in the regular way if there isn't one set
SLANG_RETURN_ON_FAIL(slang_createGlobalSession(SLANG_API_VERSION, session.writeRef()));
}
TestToolUtil::setSessionDefaultPreludeFromExePath(argv[0], session);
SlangCompileRequest* compileRequest = spCreateCompileRequest(session);
compileRequest->addSearchPath(Path::getParentDirectory(Path::getExecutablePath()).getBuffer());
SlangResult res = _compile(compileRequest, argc, argv);
// Now that we are done, clean up after ourselves
spDestroyCompileRequest(compileRequest);
return res;
}
int MAIN(int argc, char** argv)
{
auto stdWriters = StdWriters::initDefaultSingleton();
SlangResult res = innerMain(stdWriters, nullptr, argc, argv);
return (int)TestToolUtil::getReturnCode(res);
}
#ifdef _WIN32
int wmain(int argc, wchar_t** argv)
{
int result = 0;
{
// Convert the wide-character Unicode arguments to UTF-8,
// since that is what Slang expects on the API side.
List<String> args;
for(int ii = 0; ii < argc; ++ii)
{
args.add(String::fromWString(argv[ii]));
}
List<char const*> argBuffers;
for(int ii = 0; ii < argc; ++ii)
{
argBuffers.add(args[ii].getBuffer());
}
result = MAIN(argc, (char**) &argBuffers[0]);
}
#ifdef _MSC_VER
_CrtDumpMemoryLeaks();
#endif
return result;
}
#endif
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