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-rw-r--r--contrib/llvm/lib/AsmParser/Parser.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/llvm/lib/AsmParser/Parser.cpp b/contrib/llvm/lib/AsmParser/Parser.cpp
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+++ b/contrib/llvm/lib/AsmParser/Parser.cpp
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+//===- Parser.cpp - Main dispatch module for the Parser library -----------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This library implements the functionality defined in llvm/AsmParser/Parser.h
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/AsmParser/Parser.h"
+#include "LLParser.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/IR/Module.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cstring>
+#include <system_error>
+using namespace llvm;
+
+bool llvm::parseAssemblyInto(MemoryBufferRef F, Module &M, SMDiagnostic &Err,
+ SlotMapping *Slots) {
+ SourceMgr SM;
+ std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(F);
+ SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
+
+ return LLParser(F.getBuffer(), SM, Err, &M, Slots).Run();
+}
+
+std::unique_ptr<Module> llvm::parseAssembly(MemoryBufferRef F,
+ SMDiagnostic &Err,
+ LLVMContext &Context,
+ SlotMapping *Slots) {
+ std::unique_ptr<Module> M =
+ make_unique<Module>(F.getBufferIdentifier(), Context);
+
+ if (parseAssemblyInto(F, *M, Err, Slots))
+ return nullptr;
+
+ return M;
+}
+
+std::unique_ptr<Module> llvm::parseAssemblyFile(StringRef Filename,
+ SMDiagnostic &Err,
+ LLVMContext &Context,
+ SlotMapping *Slots) {
+ 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 nullptr;
+ }
+
+ return parseAssembly(FileOrErr.get()->getMemBufferRef(), Err, Context, Slots);
+}
+
+std::unique_ptr<Module> llvm::parseAssemblyString(StringRef AsmString,
+ SMDiagnostic &Err,
+ LLVMContext &Context,
+ SlotMapping *Slots) {
+ MemoryBufferRef F(AsmString, "<string>");
+ return parseAssembly(F, Err, Context, Slots);
+}
+
+Constant *llvm::parseConstantValue(StringRef Asm, SMDiagnostic &Err,
+ const Module &M, const SlotMapping *Slots) {
+ SourceMgr SM;
+ std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBuffer(Asm);
+ SM.AddNewSourceBuffer(std::move(Buf), SMLoc());
+ Constant *C;
+ if (LLParser(Asm, SM, Err, const_cast<Module *>(&M))
+ .parseStandaloneConstantValue(C, Slots))
+ return nullptr;
+ return C;
+}
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