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d141d16ed7
start of a filename, not a filename+length. All clients can produce a null terminated name, and the system api's require null terminated strings anyway. llvm-svn: 49041
91 lines
2.5 KiB
C++
91 lines
2.5 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/assembly/parser.h
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//
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//===------------------------------------------------------------------------===
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#include "ParserInternals.h"
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#include "llvm/Module.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include <cstring>
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using namespace llvm;
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ParseError* TheParseError = 0; /// FIXME: Not threading friendly
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Module *llvm::ParseAssemblyFile(const std::string &Filename, ParseError* Err) {
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std::string ErrorStr;
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MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrorStr);
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if (F == 0) {
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if (Err)
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Err->setError(Filename, "Could not open input file '" + Filename + "'");
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return 0;
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}
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TheParseError = Err;
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Module *Result = RunVMAsmParser(F);
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delete F;
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return Result;
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}
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Module *llvm::ParseAssemblyString(const char *AsmString, Module *M,
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ParseError *Err) {
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TheParseError = Err;
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MemoryBuffer *F = MemoryBuffer::getMemBuffer(AsmString,
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AsmString+strlen(AsmString),
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"<string>");
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Module *Result = RunVMAsmParser(F);
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delete F;
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return Result;
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}
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//===------------------------------------------------------------------------===
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// ParseError Class
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//===------------------------------------------------------------------------===
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void ParseError::setError(const std::string &filename,
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const std::string &message,
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int lineNo, int colNo) {
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Filename = filename;
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Message = message;
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LineNo = lineNo;
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colNo = colNo;
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}
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ParseError::ParseError(const ParseError &E)
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: Filename(E.Filename), Message(E.Message) {
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LineNo = E.LineNo;
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ColumnNo = E.ColumnNo;
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}
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// Includes info from options
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const std::string ParseError::getMessage() const {
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std::string Result;
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char Buffer[10];
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if (Filename == "-")
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Result += "<stdin>";
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else
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Result += Filename;
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if (LineNo != -1) {
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sprintf(Buffer, "%d", LineNo);
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Result += std::string(":") + Buffer;
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if (ColumnNo != -1) {
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sprintf(Buffer, "%d", ColumnNo);
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Result += std::string(",") + Buffer;
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}
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}
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return Result + ": " + Message;
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}
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