mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-15 16:09:02 +00:00
31895e7359
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74640 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
//===- 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/Assembly/Parser.h
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Assembly/Parser.h"
|
|
#include "LLParser.h"
|
|
#include "llvm/Module.h"
|
|
#include "llvm/ADT/OwningPtr.h"
|
|
#include "llvm/Support/MemoryBuffer.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include <cstring>
|
|
using namespace llvm;
|
|
|
|
Module *llvm::ParseAssemblyFile(const std::string &Filename, ParseError &Err,
|
|
const LLVMContext& Context) {
|
|
Err.setFilename(Filename);
|
|
|
|
std::string ErrorStr;
|
|
OwningPtr<MemoryBuffer>
|
|
F(MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr));
|
|
if (F == 0) {
|
|
Err.setError("Could not open input file '" + Filename + "'");
|
|
return 0;
|
|
}
|
|
|
|
OwningPtr<Module> M(new Module(Filename, Context));
|
|
if (LLParser(F.get(), Err, M.get()).Run())
|
|
return 0;
|
|
return M.take();
|
|
}
|
|
|
|
Module *llvm::ParseAssemblyString(const char *AsmString, Module *M,
|
|
ParseError &Err, const LLVMContext& Context) {
|
|
Err.setFilename("<string>");
|
|
|
|
OwningPtr<MemoryBuffer>
|
|
F(MemoryBuffer::getMemBuffer(AsmString, AsmString+strlen(AsmString),
|
|
"<string>"));
|
|
|
|
// If we are parsing into an existing module, do it.
|
|
if (M)
|
|
return LLParser(F.get(), Err, M).Run() ? 0 : M;
|
|
|
|
// Otherwise create a new module.
|
|
OwningPtr<Module> M2(new Module("<string>", Context));
|
|
if (LLParser(F.get(), Err, M2.get()).Run())
|
|
return 0;
|
|
return M2.take();
|
|
}
|
|
|
|
|
|
//===------------------------------------------------------------------------===
|
|
// ParseError Class
|
|
//===------------------------------------------------------------------------===
|
|
|
|
void ParseError::PrintError(const char *ProgName, raw_ostream &S) {
|
|
errs() << ProgName << ": ";
|
|
if (Filename == "-")
|
|
errs() << "<stdin>";
|
|
else
|
|
errs() << Filename;
|
|
|
|
if (LineNo != -1) {
|
|
errs() << ':' << LineNo;
|
|
if (ColumnNo != -1)
|
|
errs() << ':' << (ColumnNo+1);
|
|
}
|
|
|
|
errs() << ": " << Message << '\n';
|
|
|
|
if (LineNo != -1 && ColumnNo != -1) {
|
|
errs() << LineContents << '\n';
|
|
|
|
// Print out spaces/tabs before the caret.
|
|
for (unsigned i = 0; i != unsigned(ColumnNo); ++i)
|
|
errs() << (LineContents[i] == '\t' ? '\t' : ' ');
|
|
errs() << "^\n";
|
|
}
|
|
}
|