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#ifndef SLANG_COMPILER_CORE_SOURCE_MAP_H
#define SLANG_COMPILER_CORE_SOURCE_MAP_H
#include "../../slang.h"
#include "../../slang-com-helper.h"
#include "../../slang-com-ptr.h"
#include "../core/slang-string.h"
#include "../core/slang-list.h"
#include "../core/slang-rtti-info.h"
#include "../core/slang-string-slice-pool.h"
#include "slang-json-value.h"
namespace Slang {
struct SourceMap
{
struct Entry
{
// Note! All column/line are zero indexed
Index generatedColumn; ///< The generated column
Index sourceFileIndex; ///< The index into the source name/contents
Index sourceLine; ///< The line number in the originating source
Index sourceColumn; ///< The column number in the originating source
Index nameIndex; ///< Name index
};
/// Decode from root into the source map
SlangResult decode(JSONContainer* container, JSONValue root, DiagnosticSink* sink);
/// Converts the source map contents into JSON
SlangResult encode(JSONContainer* container, DiagnosticSink* sink, JSONValue& outValue);
/// Get the total number of generated lines
Count getGeneratedLineCount() const { return m_lineStarts.getCount() - 1; }
/// Get the entries on the line
SLANG_FORCE_INLINE ConstArrayView<Entry> getEntriesForLine(Index generatedLine) const;
/// Clear the contents of the source map
void clear();
/// Ctor
SourceMap():
m_slicePool(StringSlicePool::Style::Default)
{
clear();
}
String m_file;
String m_sourceRoot;
List<StringSlicePool::Handle> m_sources;
/// Storage for the contents. Can be unset null to indicate not set.
List<StringSlicePool::Handle> m_sourcesContent;
/// The names
List<StringSlicePool::Handle> m_names;
List<Index> m_lineStarts;
List<Entry> m_lineEntries;
StringSlicePool m_slicePool;
};
// -------------------------------------------------------------
SLANG_FORCE_INLINE ConstArrayView<SourceMap::Entry> SourceMap::getEntriesForLine(Index generatedLine) const
{
const Index start = m_lineStarts[generatedLine];
const Index end = m_lineStarts[generatedLine + 1];
const auto entries = m_lineEntries.begin();
SLANG_ASSERT(start >= 0 && start < m_lineEntries.getCount());
SLANG_ASSERT(end >= start && end >= 0 && end <= m_lineEntries.getCount());
return ConstArrayView<SourceMap::Entry>(entries + start, end - start);
}
} // namespace Slang
#endif // SLANG_COMPILER_CORE_SOURCE_MAP_H
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