mirror of
https://github.com/c64scene-ar/llvm-6502.git
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b12ab608fe
This should restore the functionality of parsing new code into an existing module without the confusing interface. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216031 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
//===- Parser.cpp - Main dispatch module for the Parser library -----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This library implements the functionality defined in llvm/AsmParser/Parser.h
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/AsmParser/Parser.h"
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#include "LLParser.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/raw_ostream.h"
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#include <cstring>
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#include <system_error>
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using namespace llvm;
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bool llvm::parseAssemblyInto(std::unique_ptr<MemoryBuffer> F, Module &M,
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SMDiagnostic &Err) {
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SourceMgr SM;
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StringRef Buf = F->getBuffer();
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SM.AddNewSourceBuffer(F.release(), SMLoc());
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return LLParser(Buf, SM, Err, &M).Run();
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}
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std::unique_ptr<Module> llvm::parseAssembly(std::unique_ptr<MemoryBuffer> F,
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SMDiagnostic &Err,
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LLVMContext &Context) {
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std::unique_ptr<Module> M =
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make_unique<Module>(F->getBufferIdentifier(), Context);
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if (parseAssemblyInto(std::move(F), *M, Err))
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return nullptr;
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return std::move(M);
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}
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std::unique_ptr<Module> llvm::parseAssemblyFile(StringRef Filename,
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SMDiagnostic &Err,
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LLVMContext &Context) {
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ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
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MemoryBuffer::getFileOrSTDIN(Filename);
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if (std::error_code EC = FileOrErr.getError()) {
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Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
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"Could not open input file: " + EC.message());
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return nullptr;
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}
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return parseAssembly(std::move(FileOrErr.get()), Err, Context);
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}
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std::unique_ptr<Module> llvm::parseAssemblyString(StringRef AsmString,
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SMDiagnostic &Err,
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LLVMContext &Context) {
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std::unique_ptr<MemoryBuffer> F(
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MemoryBuffer::getMemBuffer(AsmString, "<string>"));
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return parseAssembly(std::move(F), Err, Context);
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}
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