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#include "rustllvm.h"
#include "llvm/ProfileData/Coverage/CoverageMapping.h"
#include "llvm/ProfileData/Coverage/CoverageMappingWriter.h"
#include "llvm/ProfileData/InstrProf.h"
#include "llvm/ADT/ArrayRef.h"
#include <iostream>
using namespace llvm;
extern "C" SmallVectorTemplateBase<coverage::CounterExpression>
*LLVMRustCoverageSmallVectorCounterExpressionCreate() {
return new SmallVector<coverage::CounterExpression, 32>();
}
extern "C" void LLVMRustCoverageSmallVectorCounterExpressionDispose(
SmallVectorTemplateBase<coverage::CounterExpression> *Vector) {
delete Vector;
}
extern "C" void LLVMRustCoverageSmallVectorCounterExpressionAdd(
SmallVectorTemplateBase<coverage::CounterExpression> *Expressions,
coverage::CounterExpression::ExprKind Kind,
unsigned LeftIndex,
unsigned RightIndex) {
auto LHS = coverage::Counter::getCounter(LeftIndex);
auto RHS = coverage::Counter::getCounter(RightIndex);
Expressions->push_back(coverage::CounterExpression { Kind, LHS, RHS });
}
extern "C" SmallVectorTemplateBase<coverage::CounterMappingRegion>
*LLVMRustCoverageSmallVectorCounterMappingRegionCreate() {
return new SmallVector<coverage::CounterMappingRegion, 32>();
}
extern "C" void LLVMRustCoverageSmallVectorCounterMappingRegionDispose(
SmallVectorTemplateBase<coverage::CounterMappingRegion> *Vector) {
delete Vector;
}
extern "C" void LLVMRustCoverageSmallVectorCounterMappingRegionAdd(
SmallVectorTemplateBase<coverage::CounterMappingRegion> *MappingRegions,
unsigned Index,
unsigned FileID,
unsigned LineStart,
unsigned ColumnStart,
unsigned LineEnd,
unsigned ColumnEnd) {
auto Counter = coverage::Counter::getCounter(Index);
MappingRegions->push_back(coverage::CounterMappingRegion::makeRegion(
Counter, FileID, LineStart,
ColumnStart, LineEnd, ColumnEnd));
// FIXME(richkadel): As applicable, implement additional CounterMappingRegion types using the
// static method alternatives to `coverage::CounterMappingRegion::makeRegion`:
//
// makeExpansion(unsigned FileID, unsigned ExpandedFileID, unsigned LineStart,
// unsigned ColumnStart, unsigned LineEnd, unsigned ColumnEnd) {
// makeSkipped(unsigned FileID, unsigned LineStart, unsigned ColumnStart,
// unsigned LineEnd, unsigned ColumnEnd) {
// makeGapRegion(Counter Count, unsigned FileID, unsigned LineStart,
// unsigned ColumnStart, unsigned LineEnd, unsigned ColumnEnd) {
}
extern "C" void LLVMRustCoverageWriteFilenamesSectionToBuffer(
const char* const Filenames[],
size_t FilenamesLen,
RustStringRef BufferOut) {
SmallVector<StringRef,32> FilenameRefs;
for (size_t i = 0; i < FilenamesLen; i++) {
FilenameRefs.push_back(StringRef(Filenames[i]));
}
auto FilenamesWriter = coverage::CoverageFilenamesSectionWriter(
makeArrayRef(FilenameRefs));
RawRustStringOstream OS(BufferOut);
FilenamesWriter.write(OS);
}
extern "C" void LLVMRustCoverageWriteMappingToBuffer(
const unsigned *VirtualFileMappingIDs,
unsigned NumVirtualFileMappingIDs,
const SmallVectorImpl<coverage::CounterExpression> *Expressions,
SmallVectorImpl<coverage::CounterMappingRegion> *MappingRegions,
RustStringRef BufferOut) {
auto CoverageMappingWriter = coverage::CoverageMappingWriter(
makeArrayRef(VirtualFileMappingIDs, NumVirtualFileMappingIDs),
makeArrayRef(*Expressions),
MutableArrayRef<coverage::CounterMappingRegion> { *MappingRegions });
RawRustStringOstream OS(BufferOut);
CoverageMappingWriter.write(OS);
}
extern "C" uint64_t LLVMRustCoverageComputeHash(const char *Name) {
StringRef NameRef(Name);
return IndexedInstrProf::ComputeHash(NameRef);
}
extern "C" void LLVMRustCoverageWriteSectionNameToString(LLVMModuleRef M,
RustStringRef Str) {
Triple TargetTriple(unwrap(M)->getTargetTriple());
auto name = getInstrProfSectionName(IPSK_covmap,
TargetTriple.getObjectFormat());
RawRustStringOstream OS(Str);
OS << name;
}
extern "C" void LLVMRustCoverageWriteMappingVarNameToString(RustStringRef Str) {
auto name = getCoverageMappingVarName();
RawRustStringOstream OS(Str);
OS << name;
}
extern "C" uint32_t LLVMRustCoverageMappingVersion() {
return coverage::CovMapVersion::CurrentVersion;
}
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