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#pragma once
#include "slang-signal.h"
#include "slang.h"
#include <assert.h>
#include <stdint.h>
#define VARIADIC_TEMPLATE
namespace Slang
{
typedef int32_t Int32;
typedef uint32_t UInt32;
typedef int64_t Int64;
typedef uint64_t UInt64;
// Define
typedef SlangUInt UInt;
typedef SlangInt Int;
static const UInt kMaxUInt = ~UInt(0);
static const Int kMaxInt = Int(kMaxUInt >> 1);
// typedef unsigned short Word;
typedef intptr_t PtrInt;
// TODO(JS): It looks like Index is actually 64 bit on 64 bit targets(!)
// Previous discussions landed on Index being int32_t.
// Type used for indexing, in arrays/views etc. Signed.
typedef Int Index;
typedef UInt UIndex;
typedef Int Count;
typedef UInt UCount;
static const Index kMaxIndex = kMaxInt;
typedef uint8_t Byte;
// TODO(JS):
// Perhaps these should be named Utf8, Utf16 and UnicodePoint/Rune/etc? For now, just keep it simple
//
typedef char Char8;
// 16 bit character. Note much like in utf8, a character may or may not represent a code point (it
// can be part of a code point).
typedef uint16_t Char16;
// Can always hold a unicode code point.
typedef uint32_t Char32;
template<typename T>
inline T&& _Move(T& obj)
{
return static_cast<T&&>(obj);
}
template<typename T>
inline void Swap(T& v0, T& v1)
{
T tmp = _Move(v0);
v0 = _Move(v1);
v1 = _Move(tmp);
}
// Make these interfaces have more convenient names
typedef ISlangCastable ICastable;
typedef ISlangClonable IClonable;
// Convenience function for using clonable
template<typename T>
SLANG_FORCE_INLINE T* clone(IClonable* clonable)
{
return (T*)clonable->clone(T::getTypeGuid());
}
template<typename T>
inline bool isBitSet(T value, T bitToTest)
{
static_assert(sizeof(T) <= sizeof(uint32_t), "Only support up to 32 bit enums");
return (T)((uint32_t)value & (uint32_t)bitToTest) == bitToTest;
}
} // namespace Slang
// SLANG_DEFER
template<typename F>
class SlangDeferImpl
{
F f;
public:
SlangDeferImpl(F&& f)
: f(Slang::_Move(f))
{
}
~SlangDeferImpl() { f(); }
};
#ifndef SLANG_DEFER_LAMBDA
#define SLANG_DEFER_LAMBDA(x) auto SLANG_CONCAT(slang_defer_, __LINE__) = SlangDeferImpl(x)
#define SLANG_DEFER(x) auto SLANG_CONCAT(slang_defer_, __LINE__) = SlangDeferImpl([&]() { x; })
#endif
//
// Some macros for avoiding boilerplate
// TODO: could probably deduce the size with templates, and move the whole
// thing into a template
//
#if __cplusplus >= 202002L
#define SLANG_COMPONENTWISE_EQUALITY_1(type) bool operator==(const type& other) const = default;
#define SLANG_COMPONENTWISE_EQUALITY_2(type) bool operator==(const type& other) const = default;
#define SLANG_COMPONENTWISE_EQUALITY_3(type) bool operator==(const type& other) const = default;
#else
#define SLANG_COMPONENTWISE_EQUALITY_1(type) \
bool operator==(const type& other) const \
{ \
const auto& [m1] = *this; \
const auto& [o1] = other; \
return m1 == o1; \
} \
bool operator!=(const type& other) const \
{ \
return !(*this == other); \
}
#define SLANG_COMPONENTWISE_EQUALITY_2(type) \
bool operator==(const type& other) const \
{ \
const auto& [m1, m2] = *this; \
const auto& [o1, o2] = other; \
return m1 == o1 && m2 == o2; \
} \
bool operator!=(const type& other) const \
{ \
return !(*this == other); \
}
#define SLANG_COMPONENTWISE_EQUALITY_3(type) \
bool operator==(const type& other) const \
{ \
const auto& [m1, m2, m3] = *this; \
const auto& [o1, o2, o3] = other; \
return m1 == o1 && m2 == o2 && m3 == o3; \
} \
bool operator!=(const type& other) const \
{ \
return !(*this == other); \
}
#endif
// TODO: Shouldn't these be SLANG_ prefixed?
#ifdef _MSC_VER
#define UNREACHABLE_RETURN(x)
#else
#define UNREACHABLE_RETURN(x) return x;
#endif
#if SLANG_GCC
#define SLANG_EXHAUSTIVE_SWITCH_BEGIN \
_Pragma("GCC diagnostic push"); \
_Pragma("GCC diagnostic error \"-Wswitch-enum\"");
#define SLANG_EXHAUSTIVE_SWITCH_END _Pragma("GCC diagnostic pop");
#elif SLANG_CLANG
#define SLANG_EXHAUSTIVE_SWITCH_BEGIN \
_Pragma("clang diagnostic push"); \
_Pragma("clang diagnostic error \"-Wswitch-enum\"");
#define SLANG_EXHAUSTIVE_SWITCH_END _Pragma("clang diagnostic pop");
#elif SLANG_VC
#define SLANG_EXHAUSTIVE_SWITCH_BEGIN \
_Pragma("warning(push)"); \
_Pragma("warning(error : 4062)");
#define SLANG_EXHAUSTIVE_SWITCH_END _Pragma("warning(pop)");
#else
#define SLANG_EXHAUSTIVE_SWITCH_BEGIN
#define SLANG_EXHAUSTIVE_SWITCH_END
#endif
#if SLANG_GCC
#define SLANG_ALLOW_DEPRECATED_BEGIN \
_Pragma("GCC diagnostic push"); \
_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"");
#define SLANG_ALLOW_DEPRECATED_END _Pragma("GCC diagnostic pop");
#elif SLANG_CLANG
#define SLANG_ALLOW_DEPRECATED_BEGIN \
_Pragma("clang diagnostic push"); \
_Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"");
#define SLANG_ALLOW_DEPRECATED_END _Pragma("clang diagnostic pop");
#elif SLANG_VC
#define SLANG_ALLOW_DEPRECATED_BEGIN \
_Pragma("warning(push)"); \
_Pragma("warning(disable : 4996)");
#define SLANG_ALLOW_DEPRECATED_END _Pragma("warning(pop)");
#else
#define SLANG_ALLOW_DEPRECATED_BEGIN
#define SLANG_ALLOW_DEPRECATED_END
#endif
//
// Use `SLANG_ASSUME(myBoolExpression);` to inform the compiler that the condition is true.
// Do not rely on side effects of the condition being performed.
//
#if defined(__cpp_assume)
#define SLANG_ASSUME(X) [[assume(X)]]
#elif SLANG_GCC
#define SLANG_ASSUME(X) \
do \
{ \
if (!(X)) \
__builtin_unreachable(); \
} while (0)
#elif SLANG_CLANG
#define SLANG_ASSUME(X) __builtin_assume(X)
#elif SLANG_VC
#define SLANG_ASSUME(X) __assume(X)
#else
[[noreturn]] inline void invokeUndefinedBehaviour() {}
#define SLANG_ASSUME(X) \
do \
{ \
if (!(X)) \
invokeUndefinedBehaviour(); \
} while (0)
#endif
//
// Assertions abort in debug builds, but inform the compiler of true
// assumptions in release builds
//
#ifdef _DEBUG
#define SLANG_ASSERT(VALUE) \
do \
{ \
if (!(VALUE)) \
SLANG_ASSERT_FAILURE(#VALUE); \
} while (0)
#else
#define SLANG_ASSERT(VALUE) SLANG_ASSUME(VALUE)
#endif
#define SLANG_RELEASE_ASSERT(VALUE) \
if (VALUE) \
{ \
} \
else \
SLANG_ASSERT_FAILURE(#VALUE)
template<typename T>
void slang_use_obj(T&)
{
}
#define SLANG_UNREFERENCED_PARAMETER(P) slang_use_obj(P)
#define SLANG_UNREFERENCED_VARIABLE(P) slang_use_obj(P)
#if defined(SLANG_RT_DYNAMIC)
#if defined(_MSC_VER)
#ifdef SLANG_RT_DYNAMIC_EXPORT
#define SLANG_RT_API SLANG_DLL_EXPORT
#else
#define SLANG_RT_API __declspec(dllimport)
#endif
#else
// TODO: need to consider compiler capabilities
// # ifdef SLANG_RT_DYNAMIC_EXPORT
#define SLANG_RT_API SLANG_DLL_EXPORT
// # endif
#endif
#endif
#if defined(_MSC_VER)
#define SLANG_ATTR_PRINTF(string_index, varargs_index)
#else
#define SLANG_ATTR_PRINTF(string_index, varargs_index) \
__attribute__((format(printf, string_index, varargs_index)))
#endif
#ifndef SLANG_RT_API
#define SLANG_RT_API
#endif
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