Tim Starling
68 linhas
2.3 KiB
C++
68 linhas
2.3 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#ifndef incl_HPHP_UTIL_PARSER_LOCATION_H_
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#define incl_HPHP_UTIL_PARSER_LOCATION_H_
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#include "hphp/util/base.h"
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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DECLARE_BOOST_TYPES(Location);
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class Location {
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public:
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Location() : file(""), line0(1), char0(1), line1(1), char1(1), cursor(0) {}
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const char *file;
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int line0;
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int char0;
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int line1;
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int char1;
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int cursor;
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void first(int line, char pos) {
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line0 = line; char0 = pos;
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}
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void first(Location &loc) {
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line0 = loc.line0; char0 = loc.char0;
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}
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void last(int line, char pos) {
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line1 = line; char1 = pos;
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}
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void last(Location &loc) {
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line1 = loc.line1; char1 = loc.char1;
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}
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/**
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* This only guarantees consistent result between two locations, whether or
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* not it makes sense, because we're comparing those integers first for
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* quicker sorting.
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*/
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int compare(Location *loc) {
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if (line0 < loc->line0) return -1; if (line0 > loc->line0) return 1;
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if (char0 < loc->char0) return -1; if (char0 > loc->char0) return 1;
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if (line1 < loc->line1) return -1; if (line1 > loc->line1) return 1;
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if (char1 < loc->char1) return -1; if (char1 > loc->char1) return 1;
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return strcmp(file, loc->file);
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}
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};
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///////////////////////////////////////////////////////////////////////////////
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}
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#endif // incl_HPHP_UTIL_PARSER_LOCATION_H_
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