loc.cpp.h

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#pragma once
/// Default `Pos`/`Loc` stream output and dump helpers.
/// Include this header in exactly one translation unit, or provide your own definitions instead.
 
#include "fe/format.h"
#include "fe/loc.h"
 
namespace fe {
 
std::ostream& operator<<(std::ostream& os, Pos pos) {
    if (pos.row) {
        if (pos.col) return os << pos.row << ':' << pos.col;
        return os << pos.row;
    }
    return os << "<unknown position>";
}
 
std::ostream& operator<<(std::ostream& os, Loc loc) {
    if (loc) {
        os << (loc.path ? loc.path->string() : "<unknown file>") << ':' << loc.begin;
        if (loc.begin != loc.finis) os << '-' << loc.finis;
        return os;
    }
    return os << "<unknown location>";
}
 
void Pos::dump() const { std::cout << *this << std::endl; }
void Loc::dump() const { std::cout << *this << std::endl; }
 
} // namespace fe