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//===- Parser.cpp - Main dispatch module for the Parser library -------------===
//
// This library implements the functionality defined in llvm/assembly/parser.h
//
//===------------------------------------------------------------------------===
#include "llvm/Analysis/Verifier.h"
#include "llvm/Module.h"
#include "ParserInternals.h"
#include <stdio.h> // for sprintf
using std::string;
// The useful interface defined by this file... Parse an ascii file, and return
// the internal representation in a nice slice'n'dice'able representation.
//
Module *ParseAssemblyFile(const string &Filename) { // throw (ParseException)
FILE *F = stdin;
if (Filename != "-") {
F = fopen(Filename.c_str(), "r");
if (F == 0)
throw ParseException(Filename, "Could not open file '" + Filename + "'");
}
Module *Result;
try {
Result = RunVMAsmParser(Filename, F);
} catch (...) {
if (F != stdin) fclose(F); // Make sure to close file descriptor if an
throw; // exception is thrown
}
if (F != stdin)
fclose(F);
if (Result) { // Check to see that it is valid...
if (verifyModule(Result)) {
delete Result;
throw ParseException(Filename, "Source file is not well formed LLVM!");
}
}
return Result;
}
//===------------------------------------------------------------------------===
// ParseException Class
//===------------------------------------------------------------------------===
ParseException::ParseException(const string &filename, const string &message,
int lineNo, int colNo)
: Filename(filename), Message(message) {
LineNo = lineNo; ColumnNo = colNo;
}
ParseException::ParseException(const ParseException &E)
: Filename(E.Filename), Message(E.Message) {
LineNo = E.LineNo;
ColumnNo = E.ColumnNo;
}
const string ParseException::getMessage() const { // Includes info from options
string Result;
char Buffer[10];
if (Filename == "-")
Result += "<stdin>";
else
Result += Filename;
if (LineNo != -1) {
sprintf(Buffer, "%d", LineNo);
Result += string(":") + Buffer;
if (ColumnNo != -1) {
sprintf(Buffer, "%d", ColumnNo);
Result += string(",") + Buffer;
}
}
return Result + ": " + Message;
}
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