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// main.cpp
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <slang.h>
int main(
int argc,
char** argv)
{
// TODO: parse arguments
assert(argc >= 2);
char const* inputPath = argv[1];
// Slurp in the input file, so that we can compile and run it
FILE* inputFile = fopen(inputPath, "rb");
assert(inputFile);
fseek(inputFile, 0, SEEK_END);
size_t inputSize = ftell(inputFile);
fseek(inputFile, 0, SEEK_SET);
char* inputText = (char*) malloc(inputSize + 1);
fread(inputText, inputSize, 1, inputFile);
inputText[inputSize] = 0;
fclose(inputFile);
// TODO: scan through the text to find comments,
// that instruct us how to generate input and
// consume output when running the test.
//
SlangSession* session = spCreateSession(nullptr);
SlangCompileRequest* request = spCreateCompileRequest(session);
spSetCodeGenTarget(
request,
SLANG_IR);
int translationUnitIndex = spAddTranslationUnit(
request,
SLANG_SOURCE_LANGUAGE_SLANG,
nullptr);
spAddTranslationUnitSourceString(
request,
translationUnitIndex,
inputPath,
inputText);
int entryPointIndex = spAddEntryPoint(
request,
translationUnitIndex,
"main",
spFindProfile(session, "cs_5_0"));
if( spCompile(request) != 0 )
{
char const* output = spGetDiagnosticOutput(request);
fputs(output, stderr);
exit(1);
}
// Things compiled, so now we need to run them...
// Extract the bytecode
size_t bytecodeSize = 0;
void const* bytecode = spGetEntryPointCode(request, entryPointIndex, &bytecodeSize);
// Now we need to create an execution context to go and run the bytecode we got
SlangVM* vm = SlangVM_create();
SlangVMModule* vmModule = SlangVMModule_load(
vm,
bytecode,
bytecodeSize);
SlangVMFunc* vmFunc = (SlangVMFunc*)SlangVMModule_findGlobalSymbolPtr(
vmModule,
"main");
int32_t*& inputArg = *(int32_t**)SlangVMModule_findGlobalSymbolPtr(
vmModule,
"input");
int32_t*& outputArg = *(int32_t**)SlangVMModule_findGlobalSymbolPtr(
vmModule,
"output");
SlangVMThread* vmThread = SlangVMThread_create(
vm);
int32_t inputData[8] = { 0, 1, 2, 3, 4, 5, 6, 7 };
int32_t outputData[8] = { 0 };
inputArg = inputData;
outputArg = outputData;
// TODO: set arguments based on specification from the user...
for (uint32_t threadID = 0; threadID < 8; ++threadID)
{
#if 0
fprintf(stderr, "\n\nthreadID = %u\n\n", threadID);
fflush(stderr);
#endif
SlangVMThread_beginCall(vmThread, vmFunc);
SlangVMThread_setArg(
vmThread,
0,
&threadID,
sizeof(threadID));
SlangVMThread_resume(vmThread);
}
for (uint32_t ii = 0; ii < 8; ++ii)
{
fprintf(stdout, "outputData[%u] = %d\n", ii, outputData[ii]);
}
spDestroyCompileRequest(request);
spDestroySession(session);
return 0;
}
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