+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2014 Jay Freeman (saurik)
+*/
+
+/* GNU Affero General Public License, Version 3 {{{ */
+/*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
+
+#ifndef CYCRIPT_LOCATION_HPP
+#define CYCRIPT_LOCATION_HPP
+
+#include <iostream>
+
+class CYPosition {
+ public:
+ std::string *filename;
+ unsigned int line;
+ unsigned int column;
+
+ CYPosition() :
+ filename(NULL),
+ line(1),
+ column(0)
+ {
+ }
+
+ void lines(unsigned count = 1) {
+ column = 0;
+ line += count;
+ }
+
+ void columns(unsigned count = 1) {
+ column += count;
+ }
+};
+
+inline std::ostream &operator <<(std::ostream &out, const CYPosition &position) {
+ if (position.filename != NULL)
+ out << *position.filename << ":";
+ out << position.line << "." << position.column;
+ return out;
+}
+
+class CYLocation {
+ public:
+ CYPosition begin;
+ CYPosition end;
+
+ void step() {
+ begin = end;
+ }
+};
+
+inline std::ostream &operator <<(std::ostream &out, const CYLocation &location) {
+ const CYPosition &begin(location.begin);
+ const CYPosition &end(location.end);
+
+ out << begin;
+ if (end.filename != NULL && (begin.filename == NULL || *begin.filename != *end.filename))
+ out << '-' << *end.filename << ':' << end.line << '.' << end.column;
+ else if (begin.line != end.line)
+ out << '-' << end.line << '.' << end.column;
+ else if (begin.column != end.column)
+ out << '-' << end.column;
+ return out;
+}
+
+#endif/*CYCRIPT_LOCATION_HPP*/