60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#ifndef MONICELLI_LOCATION_H
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#define MONICELLI_LOCATION_H
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// Copyright 2017 the Monicelli project authors. All rights reserved.
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// Use of this source code is governed by a GPLv3 license, see LICENSE.txt.
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#include <iostream>
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namespace monicelli {
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class Location final {
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public:
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Location() : line_(1), column_(1) {}
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int getLine() const { return line_; }
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int getColumn() const { return column_; }
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private:
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Location(int line, int column) : line_(line), column_(column) {}
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void advanceColumn(int amount) { column_ += amount; }
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void newLine() {
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column_ = 1;
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line_ += 1;
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}
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int line_;
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int column_;
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friend class Lexer;
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};
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class LocationMixin {
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public:
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Location getFirstLocation() const { return first_location_; }
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Location getLastLocation() const { return last_location_; }
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protected:
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LocationMixin() {}
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LocationMixin(Location first, Location last) : first_location_(first), last_location_(last) {}
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Location first_location_;
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Location last_location_;
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friend class Parser;
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};
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static inline std::ostream& operator<<(std::ostream& stream, const Location& location) {
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return stream << location.getLine() << ':' << location.getColumn();
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}
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static inline bool operator==(const Location& a, const Location& b) {
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return a.getLine() == b.getLine() && a.getColumn() == b.getColumn();
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}
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} // namespace monicelli
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#endif
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