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/*
This file is part of the Maude 2 interpreter.
Copyright 1997-2003 SRI International, Menlo Park, CA 94025, USA.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
//
// Misc global data and functions.
//
// utility stuff
#include "macros.hh"
#include "vector.hh"
#include "tty.hh"
// forward declarations
#include "interface.hh"
#include "core.hh"
#include "higher.hh"
#include "freeTheory.hh"
#include "builtIn.hh"
#include "strategyLanguage.hh"
#include "mixfix.hh"
// interface class definitions
#include "term.hh"
// core class definitions
#include "lineNumber.hh"
// built in stuff
#include "randomOpSymbol.hh"
// system class definitions
#include "IO_Manager.hh"
// mixfix frontend definitions
#include "token.hh"
#include "userLevelRewritingContext.hh"
#include "fileTable.hh"
#include "directoryManager.hh"
#include "mixfixModule.hh"
#include "interpreter.hh"
#include "global.hh"
int lineNumber = 1;
FileTable fileTable;
DirectoryManager directoryManager;
Interpreter& interpreter = *(new Interpreter);
//Interpreter interpreter;
IO_Manager ioManager;
string executableDirectory;
bool
findFile(const string& userFileName, string& directory, string& fileName, int lineNr)
{
static char const* const ext[] = {".maude", ".fm", ".obj", 0};
string::size_type p = userFileName.rfind('/');
if (p == string::npos)
{
fileName = userFileName;
directory = ".";
if (directoryManager.checkAccess(directory, fileName, R_OK, ext))
return true;
if (directoryManager.searchPath(MAUDE_LIB, directory, fileName, R_OK, ext))
return true;
directory = DATADIR;
if (directoryManager.checkAccess(directory, fileName, R_OK, ext))
return true;
if (!(executableDirectory.empty()) &&
directoryManager.checkAccess(executableDirectory, fileName, R_OK, ext))
{
directory = executableDirectory;
return true;
}
}
else if (p + 1 < userFileName.length())
{
directoryManager.realPath(userFileName.substr(0, p), directory);
fileName = userFileName.substr(p + 1);
if (directoryManager.checkAccess(directory, fileName, R_OK, ext))
return true;
}
IssueWarning(LineNumber(lineNr) <<
": unable to locate file: " << QUOTE(userFileName));
return false;
}
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