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#include "sourcerange.h"

#include <sourcerangecontainer.h>

#include <ostream>

namespace ClangBackEnd {

SourceRange::SourceRange()
    : cxSourceRange(clang_getNullRange())
{
}

SourceRange::SourceRange(const SourceLocation &start, const SourceLocation &end)
    : cxSourceRange(clang_getRange(start, end))
{
}

bool SourceRange::isNull() const
{
    return clang_Range_isNull(cxSourceRange);
}

bool SourceRange::isValid() const
{
    return !isNull() && start().offset() < end().offset();
}

SourceLocation SourceRange::start() const
{
    return SourceLocation(clang_getRangeStart(cxSourceRange));
}

SourceLocation SourceRange::end() const
{
    return SourceLocation(clang_getRangeEnd(cxSourceRange));
}

SourceRangeContainer SourceRange::toSourceRangeContainer() const
{
    return SourceRangeContainer(start().toSourceLocationContainer(),
                                end().toSourceLocationContainer());
}

ClangBackEnd::SourceRange::operator SourceRangeContainer() const
{
    return toSourceRangeContainer();
}

ClangBackEnd::SourceRange::operator CXSourceRange() const
{
    return cxSourceRange;
}

SourceRange::SourceRange(CXSourceRange cxSourceRange)
    : cxSourceRange(cxSourceRange)
{
}

bool operator==(const SourceRange &first, const SourceRange &second)
{
    return clang_equalRanges(first.cxSourceRange, second.cxSourceRange);
}

void PrintTo(const SourceRange &sourceRange, ::std::ostream* os)
{
    *os << "[";
    PrintTo(sourceRange.start(), os);
    *os << ", ";
    PrintTo(sourceRange.end(), os);
    *os << "]";
}
} // namespace ClangBackEnd