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" Vim syntax file
" Language: ISPC
" Maintainer: Dmitry Babokin <dmitry.y.babokin@intel.com>
" Previous Maintainer: Andreas Wendleder <andreas.wendleder@gmail.com>
" Last Change: November 21, 2024
" Quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
" Read the C syntax to start with
runtime! syntax/c.vim
unlet b:current_syntax
" New keywords
syn keyword ispcStatement assert assume cbreak ccontinue creturn delete launch new print soa sync task unmasked
syn keyword ispcConditional cif
syn keyword ispcRepeat cdo cfor cwhile foreach foreach_tiled foreach_unique foreach_active
syn keyword ispcBuiltin programCount programIndex taskCount taskCount0 taskCount1 taskCount3 taskIndex taskIndex0 taskIndex1 taskIndex2
syn keyword ispcType export uniform varying int8 int16 int32 int64 uint8 uint16 uint32 uint64 float16
syn keyword ispcOperator operator in
syn keyword ispcStorageClass noinline __vectorcall __regcall
syn keyword ispcTemplates template typename
syn keyword ispcDefine ISPC ISPC_POINTER_SIZE ISPC_MAJOR_VERSION ISPC_MINOR_VERSION TARGET_WIDTH PI
\ LLVM_VERSION_MAJOR LLVM_VERSION_MINOR
\ TARGET_ELEMENT_WIDTH ISPC_UINT_IS_DEFINED ISPC_FP16_SUPPORTED ISPC_FP64_SUPPORTED ISPC_LLVM_INTRINSICS_ENABLED
\ ISPC_ATTRIBUTE_SUPPORTED
\ INT8_MIN INT16_MIN INT32_MIN INT64_MIN INT8_MAX INT16_MAX INT32_MAX INT64_MAX
\ UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX
\ FLT16_MIN FLT_MIN DBL_MIN FLT16_MAX FLT_MAX DBL_MAX
\ ISPC_TARGET_NEON ISPC_TARGET_SSE2 ISPC_TARGET_SSE4 ISPC_TARGET_AVX ISPC_TARGET_AVX2 ISPC_TARGET_AVX512KNL ISPC_TARGET_AVX512SKX
\ ISPC_TARGET_AVX512SPR ISPC_TARGET_AVX10_2
\ ISPC_TARGET_GEN9 ISPC_TARGET_XELP ISPC_TARGET_XEHPG ISPC_TARGET_XEHPC ISPC_TARGET_XELPG ISPC_TARGET_XE2HPG ISPC_TARGET_XE2LPG
" LLVM intrinsics are ISPC intrinsics
syn match ispcLLVMIntrin display "@llvm\(\.\w\+\)\+"
" ... operator
syn match ispcOperator display "\.\.\."
" Integer literals (in binary, decimal, or hex form), with k/M/G suffix and u/U, l/L, ll/LL suffixes.
syn match cNumber display contained "\(\d\+\|0[xX]\x\+\|0[bB][01]\+\)[kMG]\=\([uU]\=\([lL]\|ll\|LL\)\|\([lL]\|ll\|LL\)\=[uU]\)\>"
" Decimal floating point literal with optional suffix
syn match cFloat display contained "\(\(\d\+\.\d*\)\|\(\.\d\+\)\)\([fF]16\|[dDfF]\)\=\>"
" [Deprecated] decimal floating point literal with "f" suffix, but " without radix separator
syn match cFloat display contained "\d\+[fF]\>"
" Scientific notation floating point literals with optional suffix
syn match cFloat display contained "\(\(\d\+\.\d*\)\|\(\.\d\+\)\|\d\+\)[eE][-+]\=\d\+\([fF]16\|[dDfF]\)\=\>"
" Hexadecimal floating point numbers - subset of C++17 hexadecimals, with optional suffix
syn match cFloat display contained "0[xX][01]\(.\x\+\)\=[pP][-+]\=\d\+\([fF]16\|[dDfF]\)\=\>"
" "Fortran double format" - same as scientific notation, but with d/D instead of e/E
syn match cFloat display contained "\(\(\d\+\.\d*\)\|\(\.\d\+\)\|\d\+\)[dD][-+]\=\d\+\>"
" Default highlighting
command -nargs=+ HiLink hi def link <args>
HiLink ispcStatement Statement
HiLink ispcLLVMIntrin Statement
HiLink ispcConditional Conditional
HiLink ispcRepeat Repeat
HiLink ispcBuiltin Statement
HiLink ispcType Type
HiLink ispcTemplates Type
HiLink ispcOperator Operator
HiLink ispcDefine Define
HiLink ispcStorageClass StorageClass
delcommand HiLink
let b:current_syntax = "ispc"
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