//===----------------------------------------------------------------------===//
#include "llvm/IRReader/IRReader.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/Assembly/Parser.h"
+#include "llvm-c/Core.h"
+#include "llvm-c/IRReader.h"
+#include "llvm/AsmParser/Parser.h"
#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/system_error.h"
#include "llvm/Support/Timer.h"
+#include "llvm/Support/raw_ostream.h"
+#include <system_error>
using namespace llvm;
extern bool TimePassesIsEnabled;
}
-static const char *TimeIRParsingGroupName = "LLVM IR Parsing";
-static const char *TimeIRParsingName = "Parse IR";
+static const char *const TimeIRParsingGroupName = "LLVM IR Parsing";
+static const char *const TimeIRParsingName = "Parse IR";
-
-Module *llvm::getLazyIRModule(MemoryBuffer *Buffer, SMDiagnostic &Err,
- LLVMContext &Context) {
+static std::unique_ptr<Module>
+getLazyIRModule(std::unique_ptr<MemoryBuffer> Buffer, SMDiagnostic &Err,
+ LLVMContext &Context, bool ShouldLazyLoadMetadata) {
if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
(const unsigned char *)Buffer->getBufferEnd())) {
- std::string ErrMsg;
- Module *M = getLazyBitcodeModule(Buffer, Context, &ErrMsg);
- if (M == 0) {
+ ErrorOr<std::unique_ptr<Module>> ModuleOrErr = getLazyBitcodeModule(
+ std::move(Buffer), Context, ShouldLazyLoadMetadata);
+ if (std::error_code EC = ModuleOrErr.getError()) {
Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error,
- ErrMsg);
- // ParseBitcodeFile does not take ownership of the Buffer in the
- // case of an error.
- delete Buffer;
+ EC.message());
+ return nullptr;
}
- return M;
+ return std::move(ModuleOrErr.get());
}
- return ParseAssembly(Buffer, 0, Err, Context);
+ return parseAssembly(Buffer->getMemBufferRef(), Err, Context);
}
-Module *llvm::getLazyIRFileModule(const std::string &Filename, SMDiagnostic &Err,
- LLVMContext &Context) {
- OwningPtr<MemoryBuffer> File;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+std::unique_ptr<Module> llvm::getLazyIRFileModule(StringRef Filename,
+ SMDiagnostic &Err,
+ LLVMContext &Context,
+ bool ShouldLazyLoadMetadata) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+ MemoryBuffer::getFileOrSTDIN(Filename);
+ if (std::error_code EC = FileOrErr.getError()) {
Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
- "Could not open input file: " + ec.message());
- return 0;
+ "Could not open input file: " + EC.message());
+ return nullptr;
}
- return getLazyIRModule(File.take(), Err, Context);
+ return getLazyIRModule(std::move(FileOrErr.get()), Err, Context,
+ ShouldLazyLoadMetadata);
}
-Module *llvm::ParseIR(MemoryBuffer *Buffer, SMDiagnostic &Err,
- LLVMContext &Context) {
+std::unique_ptr<Module> llvm::parseIR(MemoryBufferRef Buffer, SMDiagnostic &Err,
+ LLVMContext &Context) {
NamedRegionTimer T(TimeIRParsingName, TimeIRParsingGroupName,
TimePassesIsEnabled);
- if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
- (const unsigned char *)Buffer->getBufferEnd())) {
- std::string ErrMsg;
- Module *M = ParseBitcodeFile(Buffer, Context, &ErrMsg);
- if (M == 0)
- Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error,
- ErrMsg);
- // ParseBitcodeFile does not take ownership of the Buffer.
- delete Buffer;
- return M;
+ if (isBitcode((const unsigned char *)Buffer.getBufferStart(),
+ (const unsigned char *)Buffer.getBufferEnd())) {
+ ErrorOr<std::unique_ptr<Module>> ModuleOrErr =
+ parseBitcodeFile(Buffer, Context);
+ if (std::error_code EC = ModuleOrErr.getError()) {
+ Err = SMDiagnostic(Buffer.getBufferIdentifier(), SourceMgr::DK_Error,
+ EC.message());
+ return nullptr;
+ }
+ return std::move(ModuleOrErr.get());
}
- return ParseAssembly(Buffer, 0, Err, Context);
+ return parseAssembly(Buffer, Err, Context);
}
-Module *llvm::ParseIRFile(const std::string &Filename, SMDiagnostic &Err,
- LLVMContext &Context) {
- OwningPtr<MemoryBuffer> File;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+std::unique_ptr<Module> llvm::parseIRFile(StringRef Filename, SMDiagnostic &Err,
+ LLVMContext &Context) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+ MemoryBuffer::getFileOrSTDIN(Filename);
+ if (std::error_code EC = FileOrErr.getError()) {
Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
- "Could not open input file: " + ec.message());
- return 0;
+ "Could not open input file: " + EC.message());
+ return nullptr;
+ }
+
+ return parseIR(FileOrErr.get()->getMemBufferRef(), Err, Context);
+}
+
+//===----------------------------------------------------------------------===//
+// C API.
+//===----------------------------------------------------------------------===//
+
+LLVMBool LLVMParseIRInContext(LLVMContextRef ContextRef,
+ LLVMMemoryBufferRef MemBuf, LLVMModuleRef *OutM,
+ char **OutMessage) {
+ SMDiagnostic Diag;
+
+ std::unique_ptr<MemoryBuffer> MB(unwrap(MemBuf));
+ *OutM =
+ wrap(parseIR(MB->getMemBufferRef(), Diag, *unwrap(ContextRef)).release());
+
+ if(!*OutM) {
+ if (OutMessage) {
+ std::string buf;
+ raw_string_ostream os(buf);
+
+ Diag.print(nullptr, os, false);
+ os.flush();
+
+ *OutMessage = strdup(buf.c_str());
+ }
+ return 1;
}
- return ParseIR(File.take(), Err, Context);
+ return 0;
}