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/* valasourcereference.vala
*
* Copyright (C) 2006-2012 Jürg Billeter
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
*/
using GLib;
/**
* Represents a reference to a location in a source file.
*/
public class Vala.SourceReference {
/**
* The source file to be referenced.
*/
public weak SourceFile file { get; set; }
/**
* The begin of the referenced source code.
*/
public SourceLocation begin { get; set; }
/**
* The end of the referenced source code.
*/
public SourceLocation end { get; set; }
public List<UsingDirective> using_directives { get; private set; }
/**
* Creates a new source reference.
*
* @param _file a source file
* @param begin the begin of the referenced source code
* @param end the end of the referenced source code
* @return newly created source reference
*/
public SourceReference (SourceFile _file, SourceLocation begin, SourceLocation end) {
file = _file;
this.begin = begin;
this.end = end;
using_directives = file.current_using_directives;
}
/**
* Checks if given source location is part of this source reference.
*
* @param location a source location
* @return whether this source location is part of this
*/
public bool contains (SourceLocation location) {
if (location.line > begin.line && location.line < end.line) {
return true;
} else if (location.line == begin.line && location.line == end.line) {
return location.column >= begin.column && location.column <= end.column;
} else if (location.line == begin.line) {
return location.column >= begin.column;
} else if (location.line == end.line) {
return location.column <= end.column;
} else {
return false;
}
}
/**
* Returns a string representation of this source reference.
*
* @return human-readable string
*/
public string to_string () {
return ("%s:%d:%d-%d:%d".printf (file.get_relative_filename (), begin.line, begin.column, end.line, end.column));
}
}
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