//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Gordon Henriksen and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm-c/BitReader.h"
#include "llvm/Bitcode/ReaderWriter.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
#include "llvm/Support/MemoryBuffer.h"
+#include <cstring>
#include <string>
using namespace llvm;
+/* Builds a module from the bitcode in the specified memory buffer, returning a
+ reference to the module via the OutModule parameter. Returns 0 on success.
+ Optionally returns a human-readable error message via OutMessage. */
+LLVMBool LLVMParseBitcode(LLVMMemoryBufferRef MemBuf,
+ LLVMModuleRef *OutModule, char **OutMessage) {
+ return LLVMParseBitcodeInContext(wrap(&getGlobalContext()), MemBuf, OutModule,
+ OutMessage);
+}
-int LLVMReadBitcodeFromFile(const char *Path, LLVMModuleRef *OutModule,
- char **OutMessage) {
- std::string Message;
-
- MemoryBuffer *buf = MemoryBuffer::getFile(Path, strlen(Path), &Message);
- if (!buf) {
- if (!OutMessage)
- *OutMessage = strdup(Message.c_str());
+LLVMBool LLVMParseBitcodeInContext(LLVMContextRef ContextRef,
+ LLVMMemoryBufferRef MemBuf,
+ LLVMModuleRef *OutModule,
+ char **OutMessage) {
+ ErrorOr<Module *> ModuleOrErr =
+ parseBitcodeFile(unwrap(MemBuf), *unwrap(ContextRef));
+ if (error_code EC = ModuleOrErr.getError()) {
+ if (OutMessage)
+ *OutMessage = strdup(EC.message().c_str());
+ *OutModule = wrap((Module*)nullptr);
return 1;
}
-
- *OutModule = wrap(ParseBitcodeFile(buf, &Message));
- if (!*OutModule) {
+
+ *OutModule = wrap(ModuleOrErr.get());
+ return 0;
+}
+
+/* Reads a module from the specified path, returning via the OutModule parameter
+ a module provider which performs lazy deserialization. Returns 0 on success.
+ Optionally returns a human-readable error message via OutMessage. */
+LLVMBool LLVMGetBitcodeModuleInContext(LLVMContextRef ContextRef,
+ LLVMMemoryBufferRef MemBuf,
+ LLVMModuleRef *OutM,
+ char **OutMessage) {
+ std::string Message;
+ ErrorOr<Module *> ModuleOrErr =
+ getLazyBitcodeModule(unwrap(MemBuf), *unwrap(ContextRef));
+
+ if (error_code EC = ModuleOrErr.getError()) {
+ *OutM = wrap((Module *)nullptr);
if (OutMessage)
- *OutMessage = strdup(Message.c_str());
+ *OutMessage = strdup(EC.message().c_str());
return 1;
}
-
+
+ *OutM = wrap(ModuleOrErr.get());
+
return 0;
+
+}
+
+LLVMBool LLVMGetBitcodeModule(LLVMMemoryBufferRef MemBuf, LLVMModuleRef *OutM,
+ char **OutMessage) {
+ return LLVMGetBitcodeModuleInContext(LLVMGetGlobalContext(), MemBuf, OutM,
+ OutMessage);
+}
+
+/* Deprecated: Use LLVMGetBitcodeModuleInContext instead. */
+LLVMBool LLVMGetBitcodeModuleProviderInContext(LLVMContextRef ContextRef,
+ LLVMMemoryBufferRef MemBuf,
+ LLVMModuleProviderRef *OutMP,
+ char **OutMessage) {
+ return LLVMGetBitcodeModuleInContext(ContextRef, MemBuf,
+ reinterpret_cast<LLVMModuleRef*>(OutMP),
+ OutMessage);
}
-void LLVMDisposeBitcodeReaderMessage(char *Message) {
- if (Message)
- free(Message);
+/* Deprecated: Use LLVMGetBitcodeModule instead. */
+LLVMBool LLVMGetBitcodeModuleProvider(LLVMMemoryBufferRef MemBuf,
+ LLVMModuleProviderRef *OutMP,
+ char **OutMessage) {
+ return LLVMGetBitcodeModuleProviderInContext(LLVMGetGlobalContext(), MemBuf,
+ OutMP, OutMessage);
}