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// slang-serialize-types.h
#ifndef SLANG_SERIALIZE_TYPES_H
#define SLANG_SERIALIZE_TYPES_H
#include "../core/slang-array-view.h"
#include "../core/slang-riff.h"
#include "../core/slang-string-slice-pool.h"
#include "slang-ir.h"
// #include "slang-name.h"
// #include "slang-source-loc.h"
namespace Slang
{
class Module;
struct SerialStringData
{
enum class StringIndex : uint32_t;
/// enum class StringOffset : uint32_t; ///< Offset into the m_stringsBuffer
typedef uint32_t SizeType;
static const StringIndex kNullStringIndex = StringIndex(StringSlicePool::kNullHandle);
static const StringIndex kEmptyStringIndex = StringIndex(StringSlicePool::kEmptyHandle);
};
struct SerialStringTableUtil
{
/// Convert a pool into a string table
static void encodeStringTable(const StringSlicePool& pool, List<char>& stringTable);
static void encodeStringTable(
const ConstArrayView<UnownedStringSlice>& slices,
List<char>& stringTable);
/// Appends the decoded strings into slicesOut
static void appendDecodedStringTable(
const char* table,
size_t tableSize,
List<UnownedStringSlice>& slicesOut);
/// Decodes a string table (and does so such that the indices are compatible with
/// StringSlicePool)
static void decodeStringTable(
const char* table,
size_t tableSize,
List<UnownedStringSlice>& slicesOut);
/// Decodes a string table
static void decodeStringTable(const char* table, size_t tableSize, StringSlicePool& outPool);
/// Produces an index map, from slices to indices in pool
static void calcStringSlicePoolMap(
const List<UnownedStringSlice>& slices,
StringSlicePool& pool,
List<StringSlicePool::Handle>& indexMap);
};
struct SerialListUtil
{
template<typename T>
static size_t calcArraySize(const List<T>& list)
{
return list.getCount() * sizeof(T);
}
template<typename T>
static bool isEqual(const List<T>& aIn, const List<T>& bIn)
{
if (&aIn == &bIn)
{
return true;
}
const Index size = aIn.getCount();
if (size != bIn.getCount())
{
return false;
}
const T* a = aIn.begin();
const T* b = bIn.begin();
if (a != b)
{
for (Index i = 0; i < size; ++i)
{
if (a[i] != b[i])
{
return false;
}
}
}
return true;
}
};
template<typename T>
struct PropertyKeys
{
};
template<>
struct PropertyKeys<Module>
{
static const FourCC::RawValue Digest = SLANG_FOUR_CC('S', 'H', 'A', '1');
static const FourCC::RawValue ASTModule = SLANG_FOUR_CC('a', 's', 't', ' ');
static const FourCC::RawValue FileDependencies = SLANG_FOUR_CC('f', 'd', 'e', 'p');
};
template<>
struct PropertyKeys<IRModule>
{
static const FourCC::RawValue IRModule = SLANG_FOUR_CC('i', 'r', ' ', ' ');
};
// For types/FourCC that work for serializing in general (not just IR).
struct SerialBinary
{
static const FourCC::RawValue kRiffFourCc = RIFF::RootChunk::kTag;
/// Container
static const FourCC::RawValue kContainerFourCc = SLANG_FOUR_CC('S', 'L', 'm', 'c');
/// A string table
static const FourCC::RawValue kStringTableFourCc = SLANG_FOUR_CC('S', 'L', 's', 't');
/// TranslationUnitList
static const FourCC::RawValue kModuleListFourCc = SLANG_FOUR_CC('S', 'L', 'm', 'l');
/// An entry point
static const FourCC::RawValue kEntryPointFourCc = SLANG_FOUR_CC('E', 'P', 'n', 't');
static const FourCC::RawValue kEntryPointListFourCc = SLANG_FOUR_CC('e', 'p', 't', 's');
// Module
static const FourCC::RawValue kModuleFourCC = SLANG_FOUR_CC('s', 'm', 'o', 'd');
// The following are "generic" codes, suitable for
// use when serializing content using JSON-like structure.
//
static const FourCC::RawValue kObjectFourCC = SLANG_FOUR_CC('o', 'b', 'j', ' ');
static const FourCC::RawValue kPairFourCC = SLANG_FOUR_CC('p', 'a', 'i', 'r');
static const FourCC::RawValue kArrayFourCC = SLANG_FOUR_CC('a', 'r', 'r', 'y');
static const FourCC::RawValue kDictionaryFourCC = SLANG_FOUR_CC('d', 'i', 'c', 't');
static const FourCC::RawValue kNullFourCC = SLANG_FOUR_CC('n', 'u', 'l', 'l');
static const FourCC::RawValue kStringFourCC = SLANG_FOUR_CC('s', 't', 'r', ' ');
static const FourCC::RawValue kTrueFourCC = SLANG_FOUR_CC('t', 'r', 'u', 'e');
static const FourCC::RawValue kFalseFourCC = SLANG_FOUR_CC('f', 'a', 'l', 's');
static const FourCC::RawValue kInt32FourCC = SLANG_FOUR_CC('i', '3', '2', ' ');
static const FourCC::RawValue kUInt32FourCC = SLANG_FOUR_CC('u', '3', '2', ' ');
static const FourCC::RawValue kFloat32FourCC = SLANG_FOUR_CC('f', '3', '2', ' ');
static const FourCC::RawValue kInt64FourCC = SLANG_FOUR_CC('i', '6', '4', ' ');
static const FourCC::RawValue kUInt64FourCC = SLANG_FOUR_CC('u', '6', '4', ' ');
static const FourCC::RawValue kFloat64FourCC = SLANG_FOUR_CC('f', '6', '4', ' ');
// The following codes are suitable for use when serializing
// content that represents a logical file system.
//
static const FourCC::RawValue kDirectoryFourCC = SLANG_FOUR_CC('d', 'i', 'r', ' ');
static const FourCC::RawValue kFileFourCC = SLANG_FOUR_CC('f', 'i', 'l', 'e');
static const FourCC::RawValue kNameFourCC = SLANG_FOUR_CC('n', 'a', 'm', 'e');
static const FourCC::RawValue kPathFourCC = SLANG_FOUR_CC('p', 'a', 't', 'h');
static const FourCC::RawValue kDataFourCC = SLANG_FOUR_CC('d', 'a', 't', 'a');
// TODO(tfoley): Figure out where to put all of these so that
// they can be more usefully addressed.
//
static const FourCC::RawValue kMangledNameFourCC = SLANG_FOUR_CC('m', 'g', 'n', 'm');
static const FourCC::RawValue kProfileFourCC = SLANG_FOUR_CC('p', 'r', 'o', 'f');
struct ArrayHeader
{
uint32_t numEntries;
};
};
struct SerialRiffUtil
{
class ListResizer
{
public:
virtual void* setSize(size_t newSize) = 0;
SLANG_FORCE_INLINE size_t getTypeSize() const { return m_typeSize; }
ListResizer(size_t typeSize)
: m_typeSize(typeSize)
{
}
protected:
size_t m_typeSize;
};
template<typename T>
class ListResizerForType : public ListResizer
{
public:
typedef ListResizer Parent;
SLANG_FORCE_INLINE ListResizerForType(List<T>& list)
: Parent(sizeof(T)), m_list(list)
{
}
virtual void* setSize(size_t newSize) SLANG_OVERRIDE
{
m_list.setCount(UInt(newSize));
return (void*)m_list.begin();
}
protected:
List<T>& m_list;
};
static Result writeArrayChunk(
FourCC chunkId,
const void* data,
size_t numEntries,
size_t typeSize,
RIFF::BuildCursor& cursor);
template<typename T>
static Result writeArrayChunk(FourCC chunkId, const List<T>& array, RIFF::BuildCursor& cursor)
{
return writeArrayChunk(chunkId, array.begin(), size_t(array.getCount()), sizeof(T), cursor);
}
static Result readArrayChunk(RIFF::DataChunk const* dataChunk, ListResizer& listOut);
template<typename T>
static Result readArrayChunk(RIFF::DataChunk const* dataChunk, List<T>& arrayOut)
{
ListResizerForType<T> resizer(arrayOut);
return readArrayChunk(dataChunk, resizer);
}
};
} // namespace Slang
#endif
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