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neovim/runtime/syntax/fortran.vim
Christian Clason f64e4b43e1 vim-patch:6863084d3bd0 
runtime(fortran): update syntax and ftplugins

closes: vim/vim#13629

6863084d3b

Co-authored-by: Ajit-Thakkar <142174202+Ajit-Thakkar@users.noreply.github.com>
2023-12-06 14:59:38 +01:00

510 lines
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" Vim syntax file
" Language: Fortran 2008 (and Fortran 2003, 95, 90, and 77)
" Version: (v106) 2023 December 4
" Maintainers: Ajit J. Thakkar <ajit@unb.ca>; <https://ajit.ext.unb.ca/>
" Joshua Hollett <j.hollett@uwinnipeg.ca>
" Usage: For instructions, do :help fortran-syntax from Vim
" Credits:
" Version 0.1 for Fortran 95 was created in April 2000 by Ajit Thakkar from an
" older Fortran 77 syntax file by Mario Eusebio and Preben Guldberg.
" Since then, useful suggestions and contributions have been made, in order, by:
" Andrej Panjkov, Bram Moolenaar, Thomas Olsen, Michael Sternberg, Christian Reile,
" Walter Dieudonne, Alexander Wagner, Roman Bertle, Charles Rendleman,
" Andrew Griffiths, Joe Krahn, Hendrik Merx, Matt Thompson, Jan Hermann,
" Stefano Zaghi, Vishnu V. Krishnan, Judicael Grasset, Takuma Yoshida,
" Eisuke Kawashima, Andre Chalella, Fritz Reese, Karl D. Hammond,
" and Michele Esposito Marzino.
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
" Choose between fixed and free source form if this hasn't been done yet
if !exists("b:fortran_fixed_source")
if exists("fortran_free_source")
" User guarantees free source form for all fortran files
let b:fortran_fixed_source = 0
elseif exists("fortran_fixed_source")
" User guarantees fixed source form for all fortran files
let b:fortran_fixed_source = 1
elseif expand("%:e") =~? '^f\%(90\|95\|03\|08\)$'
" Free-form file extension defaults as in Intel ifort, gcc(gfortran), NAG, Pathscale, and Cray compilers
let b:fortran_fixed_source = 0
elseif expand("%:e") =~? '^\%(f\|f77\|for\)$'
" Fixed-form file extension defaults
let b:fortran_fixed_source = 1
else
" Modern fortran compilers still allow both free and fixed source form.
" Assume fixed source form unless signs of free source form
" are detected in the first five columns of the first s:lmax lines.
" Detection becomes more accurate and time-consuming if more lines
" are checked. Increase the limit below if you keep lots of comments at
" the very top of each file and you have a fast computer.
let s:lmax = 500
if ( s:lmax > line("$") )
let s:lmax = line("$")
endif
let b:fortran_fixed_source = 1
let s:ln=1
while s:ln <= s:lmax
let s:test = strpart(getline(s:ln),0,5)
if s:test !~ '^[Cc*]' && s:test !~ '^ *[!#]' && s:test =~ '[^ 0-9\t]' && s:test !~ '^[ 0-9]*\t'
let b:fortran_fixed_source = 0
break
endif
let s:ln = s:ln + 1
endwhile
unlet! s:lmax s:ln s:test
endif
endif
syn case ignore
if b:fortran_fixed_source == 1
syn match fortranConstructName "^\s\{6,}\zs\a\w*\ze\s*:"
else
syn match fortranConstructName "^\s*\zs\a\w*\ze\s*:"
endif
syn match fortranConstructName "\(\<end\s*do\s\+\)\@11<=\a\w*"
syn match fortranConstructName "\(\<end\s*if\s\+\)\@11<=\a\w*"
syn match fortranConstructName "\(\<end\s*select\s\+\)\@15<=\a\w*"
syn match fortranConstructName "\(\<\%(exit\|cycle\)\s\+\)\@11<=\a\w*"
syn match fortranUserUnit "\(\(end\s*\)\?\(subroutine\|function\|module\|program\|submodule\|block\)\s\+\)\@12<=\a\w\+"
syn match fortranType "\<character\((\s*kind\s*=\w\+)\)\?\>"
syn match fortranType "\<complex\((\s*kind\s*=\w\+)\)\?\>"
syn keyword fortranType intrinsic
syn match fortranType "\<implicit\>\s\+\(none\(\s\+\<external\|type\>\)\?\)\?"
syn keyword fortranStructure dimension
syn keyword fortranStorageClass parameter save
syn match fortranCall "call\s\+\a\w*"
syn match fortranUnitHeader "\(end\s*\)\?\(subroutine\|function\|module\|program\|submodule\|block\)"
syn keyword fortranKeyword return
syn match fortranKeyword "\(error\s\+\)\=stop"
syn keyword fortranConditional else then
syn match fortranConditional "\<if\>"
syn match fortranConditionalDel "\<if\s*(.*)\s*\d\+\s*,\s*\d\+\s*,\s*\d\+\s*$"
syn match fortranRepeat "\<do\>"
syn keyword fortranTodo contained bug note debug todo fixme
"Catch errors caused by too many right parentheses
syn region fortranParen transparent start="(" end=")" contains=ALLBUT,fortranParenError,@fortranCommentGroup,cIncluded,@spell
syn match fortranParenError ")"
syn match fortranOperator "\.\s*n\=eqv\s*\."
syn match fortranOperator "\.\s*\(and\|or\|not\)\s*\."
syn match fortranOperator "\(+\|-\|/\|\*\)"
syn match fortranTypeOb "\<character\s*\*"
syn match fortranBoolean "\.\s*\(true\|false\)\s*\."
syn keyword fortranReadWrite print
syn match fortranReadWrite '\<\(backspace\|close\|endfile\|inquire\|open\|read\|rewind\|write\)\ze\s*('
"If tabs are allowed then the left margin checks do not work
if exists("fortran_have_tabs")
syn match fortranTab "\t" transparent
else
syn match fortranTab "\t"
endif
syn match fortranIO '\%(\((\|,\|, *&\n\)\s*\)\@<=\(access\|blank\|direct\|exist\|file\|fmt\|form\|formatted\|iostat\|name\|named\|nextrec\|number\|opened\|rec\|recl\|sequential\|status\|unformatted\|unit\)\ze\s*='
" Intrinsics provided by some vendors
syn keyword fortranExtraIntrinsic algama cdabs cdcos cdexp cdlog cdsin cdsqrt cqabs cqcos cqexp cqlog cqsin cqsqrt dcmplx dconjg derf derfc dfloat dgamma dimag dlgama iqint qabs qacos qasin qatan qatan2 qcmplx qconjg qcos qcosh qdim qerf qerfc qexp qgamma qimag qlgama qlog qlog10 qmax1 qmin1 qmod qnint qsign qsin qsinh qsqrt qtan qtanh
syn keyword fortranIntrinsic abs acos aimag aint anint asin atan atan2 char cmplx conjg cos cosh exp ichar index int log log10 max min nint sign sin sinh sqrt tan tanh
syn match fortranIntrinsic "\<len\s*[(,]"me=s+3
syn match fortranIntrinsic "\<real\s*("me=s+4
syn match fortranIntrinsic "\<logical\s*("me=s+7
" F2018 and F2023
syn keyword fortranIntrinsic out_of_range reduce random_init lcobound ucobound this_image coshape selected_logical_kind
syn keyword fortranIntrinsic ieee_max ieee_max_mag ieee_min ieee_min_mag split tokenize
syn keyword fortranIntrinsic acosd asind atand atan2d cosd sind tand acospi asinpi atanpi atan2pi cospi sinpi tanpi
syn match fortranType "\<type\>\(\s\+is\>\)\?"
syn match fortranType "^\s*\(type\s\+\(is\)\? \)\?\s*\(real\|integer\|logical\|complex\|character\)\>"
syn match fortranType "^\s*\(implicit \)\?\s*\(real\|integer\|logical\|complex\|character\)\>"
"Numbers of various sorts
" Integers
syn match fortranNumber display "\<\d\+\(_\a\w*\)\=\>"
" floating point number, without a decimal point
syn match fortranFloatIll display "\<\d\+[deq][-+]\=\d\+\(_\a\w*\)\=\>"
" floating point number, starting with a decimal point
syn match fortranFloatIll display "\.\d\+\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
" floating point number, no digits after decimal
syn match fortranFloatIll display "\<\d\+\.\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
" floating point number, D or Q exponents
syn match fortranFloatIll display "\<\d\+\.\d\+\([dq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
" floating point number
syn match fortranFloat display "\<\d\+\.\d\+\(e[-+]\=\d\+\)\=\(_\a\w*\)\=\>"
" binary number
syn match fortranBinary display "b["'][01]\+["']"
" octal number
syn match fortranOctal display "o["'][0-7]\+["']"
" hexadecimal number
syn match fortranHex display "z["'][0-9A-F]\+["']"
" Numbers in formats
syn match fortranFormatSpec display "\d*f\d\+\.\d\+"
syn match fortranFormatSpec display "\d*e[sn]\=\d\+\.\d\+\(e\d+\>\)\="
syn match fortranFormatSpec display "\d*\(d\|q\|g\)\d\+\.\d\+\(e\d+\)\="
syn match fortranFormatSpec display "\d\+x\>"
" The next match cannot be used because it would pick up identifiers as well
" syn match fortranFormatSpec display "\<\(a\|i\)\d\+"
" Numbers as labels
syn match fortranLabelNumber display "^\d\{1,5}\s"me=e-1
syn match fortranLabelNumber display "^ \d\{1,4}\s"ms=s+1,me=e-1
syn match fortranLabelNumber display "^ \d\{1,3}\s"ms=s+2,me=e-1
syn match fortranLabelNumber display "^ \d\d\=\s"ms=s+3,me=e-1
syn match fortranLabelNumber display "^ \d\s"ms=s+4,me=e-1
" Numbers as targets
syn match fortranTarget display "\(\<if\s*(.\+)\s*\)\@<=\(\d\+\s*,\s*\)\{2}\d\+\>"
syn match fortranTarget display "\(\<do\s\+\)\@11<=\d\+\>"
syn match fortranTarget display "\(\<go\s*to\s*(\=\)\@11<=\(\d\+\s*,\s*\)*\d\+\>"
syn keyword fortranTypeR external
syn keyword fortranIOR format
syn match fortranKeyword "\<continue\>"
syn match fortranKeyword "^\s*\d\+\s\+continue\>"
syn match fortranKeyword "\<go\s*to\>"
syn match fortranKeywordDel "\<go\s*to\ze\s\+.*,\s*(.*$"
syn match fortranKeywordOb "\<go\s*to\ze\s*(\d\+.*$"
syn region fortranString start=+'+ end=+'+ contains=fortranContinueMark,fortranLeftMargin,fortranSerialNumber
syn keyword fortranKeywordDel assign pause
syn keyword fortranStructure private public intent optional
syn keyword fortranStructure pointer target allocatable
syn keyword fortranStorageClass in out
syn match fortranStorageClass "\<in\s*out\>"
syn match fortranStorageClass "\<kind\s*="me=s+4
syn match fortranStorageClass "\<len\s*="me=s+3
syn keyword fortranUnitHeader use only contains
syn keyword fortranUnitHeader result operator assignment
syn match fortranUnitHeader "\<interface\>"
syn keyword fortranKeyword allocate deallocate nullify cycle exit
syn match fortranConditional "\<select\>"
syn match fortranConditional "\<case\s\+default\>"
syn keyword fortranConditional where elsewhere
syn match fortranOperator "\(\(>\|<\)=\=\|==\|/=\|=\)"
syn match fortranOperator "\(%\|?\|=>\)"
syn region fortranString start=+"+ end=+"+ contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
syn keyword fortranIO pad position action delim readwrite
syn keyword fortranIO eor advance nml
syn match fortranIntrinsic '\<\(adjustl\|adjustr\|all\|allocated\|any\|associated\|bit_size\|btest\|ceiling\|count\|cshift\|date_and_time\|digits\|dot_product\|eoshift\|epsilon\|exponent\|floor\|fraction\|huge\|iand\|ibclr\|ibits\|ibset\|ieor\|ior\|ishft\|ishftc\|lbound\|len_trim\|matmul\|maxexponent\|maxloc\|maxval\|merge\|minexponent\|minloc\|minval\|modulo\|mvbits\|nearest\|pack\|precision\|present\|product\|radix\|random_number\|random_seed\|range\|repeat\|reshape\|rrspacing\|scale\|scan\|selected_int_kind\|selected_real_kind\|set_exponent\|shape\|size\|spacing\|spread\|sum\|system_clock\|tiny\|transpose\|trim\|ubound\|unpack\|verify\)\>\ze\s*('
syn match fortranIntrinsic "\<not\>\(\s*\.\)\@!"me=s+3
syn match fortranIntrinsic "\<kind\>\s*[(,]"me=s+4
syn match fortranUnitHeader "\<end\s*interface"
syn match fortranRepeat "\<end\s*do"
syn match fortranConditional "\<end\s*where"
syn match fortranConditional "\<select\s*case"
syn match fortranConditional "\<end\s*select"
syn match fortranType "\<end\s*type"
syn match fortranType "\(end\s\+\)\?\(\<module\s\+\)\?procedure\>"
syn keyword fortranIOR namelist
syn keyword fortranConditionalR while
syn keyword fortranIntrinsicR achar iachar transfer dble dprod dim lge lgt lle llt mod
syn keyword fortranIntrinsicOb alog alog10 amax0 amax1 amin0 amin1 amod cabs ccos cexp clog csin csqrt dabs dacos dasin datan datan2 dcos dcosh ddim dexp dint dlog dlog10 dmax1 dmin1 dmod dnint dsign dsin dsinh dsqrt dtan dtanh float iabs idim idint idnint ifix isign max0 max1 min0 min1 sngl
syn keyword fortranInclude include
syn keyword fortranStorageClassR sequence
syn match fortranConditional "\<end\s*if"
syn match fortranIO contains=fortranOperator "\<e\(nd\|rr\)\s*=\s*\d\+"
syn match fortranConditional "\<else\s*if"
syn keyword fortranUnitHeaderOb entry
syn match fortranTypeR display "double\s\+precision"
syn match fortranTypeR display "double\s\+complex"
syn match fortranUnitHeaderOb display "block\s\+data"
syn match fortranStorageClass "^\s*data\>\(\s\+\a\w*\s*/\)\@="
syn match fortranStorageClassOb "^\s*common\>\(\s*/\)\@="
syn keyword fortranStorageClassOb equivalence
syn match fortranOperatorR "\.\s*[gl][et]\s*\."
syn match fortranOperatorR "\.\s*\(eq\|ne\)\s*\."
syn keyword fortranRepeatOb forall
syn match fortranRepeatOb "\<end\s*forall"
syn keyword fortranIntrinsic null cpu_time
syn match fortranType "\<elemental\>"
syn match fortranType "\<pure\>"
syn match fortranType "\<impure\>"
syn match fortranType "\<recursive\>"
syn match fortranConstructNameOb "\(\<end\s*forall\s\+\)\@15<=\a\w*\>"
" F2003
syn keyword fortranIntrinsic command_argument_count get_command get_command_argument get_environment_variable is_iostat_end is_iostat_eor move_alloc new_line selected_char_kind same_type_as extends_type_of
" ISO_C_binding
syn keyword fortranConstant c_null_char c_alert c_backspace c_form_feed c_new_line c_carriage_return c_horizontal_tab c_vertical_tab
syn keyword fortranConstant c_int c_short c_long c_long_long c_signed_char c_size_t c_int8_t c_int16_t c_int32_t c_int64_t c_int_least8_t c_int_least16_t c_int_least32_t c_int_least64_t c_int_fast8_t c_int_fast16_t c_int_fast32_t c_int_fast64_t c_intmax_t C_intptr_t c_float c_double c_long_double c_float_complex c_double_complex c_long_double_complex c_bool c_char c_null_ptr c_null_funptr
syn keyword fortranIntrinsic iso_c_binding c_loc c_funloc c_associated c_f_pointer c_f_procpointer
syn keyword fortranType c_ptr c_funptr
" ISO_Fortran_env
syn keyword fortranConstant iso_fortran_env character_storage_size error_unit file_storage_size input_unit iostat_end iostat_eor numeric_storage_size output_unit
" IEEE_arithmetic
syn keyword fortranIntrinsic ieee_arithmetic ieee_support_underflow_control ieee_get_underflow_mode ieee_set_underflow_mode
syn keyword fortranReadWrite flush wait
syn keyword fortranIO decimal round iomsg
syn keyword fortranType asynchronous nopass non_overridable pass protected volatile extends import
syn keyword fortranType non_intrinsic value bind deferred generic final enumerator
syn match fortranType "\<abstract\>"
syn match fortranType "\<class\>"
syn match fortranType "\<associate\>"
syn match fortranType "\<end\s*associate"
syn match fortranType "\<enum\s*,\s*bind\s*(\s*c\s*)"
syn match fortranType "\<end\s*enum"
syn match fortranConditional "\<select\s*type"
syn match fortranConditional "\<class\s*is\>"
syn match fortranConditional "\<class\s*default\>"
syn match fortranUnitHeader "\<abstract\s*interface\>"
syn match fortranOperator "\([\|]\)"
" F2008
syn keyword fortranIntrinsic acosh asinh atanh bessel_j0 bessel_j1 bessel_jn bessel_y0 bessel_y1 bessel_yn erf erfc erfc_scaled gamma log_gamma hypot norm2
syn keyword fortranIntrinsic atomic_define atomic_ref execute_command_line leadz trailz storage_size merge_bits
syn keyword fortranIntrinsic bge bgt ble blt dshiftl dshiftr findloc iall iany iparity image_index lcobound ucobound maskl maskr num_images parity popcnt poppar shifta shiftl shiftr this_image
syn keyword fortranIO newunit
syn keyword fortranType contiguous
syn keyword fortranRepeat concurrent
" CUDA fortran
if exists("fortran_CUDA")
syn match fortranTypeCUDA "\<attributes\>"
syn keyword fortranTypeCUDA host global device
syn keyword fortranTypeCUDA shared constant pinned texture
syn keyword fortranTypeCUDA dim1 dim2 dim3 dim4
syn keyword fortranTypeCUDA cudadeviceprop cuda_count_kind cuda_stream_kind
syn keyword fortranTypeCUDA cudaEvent cudaFuncAttributes cudaArrayPtr
syn keyword fortranTypeCUDA cudaSymbol cudaChannelFormatDesc cudaPitchedPtr
syn keyword fortranTypeCUDA cudaExtent cudaMemcpy3DParms
syn keyword fortranTypeCUDA cudaFuncCachePreferNone cudaFuncCachePreferShared
syn keyword fortranTypeCUDA cudaFuncCachePreferL1 cudaLimitStackSize
syn keyword fortranTypeCUDA cudaLimitPrintfSize cudaLimitMallocHeapSize
syn keyword fortranTypeCUDA cudaSharedMemBankSizeDefault cudaSharedMemBankSizeFourByte cudaSharedMemBankSizeEightByte
syn keyword fortranTypeCUDA cudaEventDefault cudaEventBlockingSync cudaEventDisableTiming
syn keyword fortranTypeCUDA cudaMemcpyHostToDevice cudaMemcpyDeviceToHost
syn keyword fortranTypeCUDA cudaMemcpyDeviceToDevice
syn keyword fortranTypeCUDA cudaErrorNotReady cudaSuccess cudaErrorInvalidValue
syn keyword fortranTypeCUDA c_devptr
syn match fortranStringCUDA "blockidx%[xyz]"
syn match fortranStringCUDA "blockdim%[xyz]"
syn match fortranStringCUDA "griddim%[xyz]"
syn match fortranStringCUDA "threadidx%[xyz]"
syn keyword fortranIntrinsicCUDA warpsize syncthreads syncthreads_and syncthreads_count syncthreads_or threadfence threadfence_block threadfence_system gpu_time allthreads anythread ballot
syn keyword fortranIntrinsicCUDA atomicadd atomicsub atomicmax atomicmin atomicand atomicor atomicxor atomicexch atomicinc atomicdec atomiccas sizeof __shfl __shfl_up __shfl_down __shfl_xor
syn keyword fortranIntrinsicCUDA cudaChooseDevice cudaDeviceGetCacheConfig cudaDeviceGetLimit cudaDeviceGetSharedMemConfig cudaDeviceReset cudaDeviceSetCacheConfig cudaDeviceSetLimit cudaDeviceSetSharedMemConfig cudaDeviceSynchronize cudaGetDevice cudaGetDeviceCount cudaGetDeviceProperties cudaSetDevice cudaSetDeviceFlags cudaSetValidDevices
syn keyword fortranIntrinsicCUDA cudaThreadExit cudaThreadSynchronize cudaGetLastError cudaGetErrorString cudaPeekAtLastError cudaStreamCreate cudaStreamDestroy cudaStreamQuery cudaStreamSynchronize cudaStreamWaitEvent cudaEventCreate cudaEventCreateWithFlags cudaEventDestroy cudaEventElapsedTime cudaEventQuery cudaEventRecord cudaEventSynchronize
syn keyword fortranIntrinsicCUDA cudaFuncGetAttributes cudaFuncSetCacheConfig cudaFuncSetSharedMemConfig cudaSetDoubleForDevice cudaSetDoubleForHost cudaFree cudaFreeArray cudaFreeHost cudaGetSymbolAddress cudaGetSymbolSize
syn keyword fortranIntrinsicCUDA cudaHostAlloc cudaHostGetDevicePointer cudaHostGetFlags cudaHostRegister cudaHostUnregister cudaMalloc cudaMallocArray cudaMallocHost cudaMallocPitch cudaMalloc3D cudaMalloc3DArray
syn keyword fortranIntrinsicCUDA cudaMemcpy cudaMemcpyArraytoArray cudaMemcpyAsync cudaMemcpyFromArray cudaMemcpyFromSymbol cudaMemcpyFromSymbolAsync cudaMemcpyPeer cudaMemcpyPeerAsync cudaMemcpyToArray cudaMemcpyToSymbol cudaMemcpyToSymbolAsync cudaMemcpy2D cudaMemcpy2DArrayToArray cudaMemcpy2DAsync cudaMemcpy2DFromArray cudaMemcpy2DToArray cudaMemcpy3D cudaMemcpy3DAsync
syn keyword fortranIntrinsicCUDA cudaMemGetInfo cudaMemset cudaMemset2D cudaMemset3D cudaDeviceCanAccessPeer cudaDeviceDisablePeerAccess cudaDeviceEnablePeerAccess cudaPointerGetAttributes cudaDriverGetVersion cudaRuntimeGetVersion
endif
syn region none matchgroup=fortranType start="<<<" end=">>>" contains=ALLBUT,none
syn cluster fortranCommentGroup contains=fortranTodo
if (b:fortran_fixed_source == 1)
if !exists("fortran_have_tabs")
" Fixed format requires a textwidth of 72 for code,
" but some vendor extensions allow longer lines
if exists("fortran_extended_line_length")
syn match fortranSerialNumber excludenl "^.\{133,}$"lc=132
elseif exists("fortran_cardimage_line_length")
syn match fortranSerialNumber excludenl "^.\{81,}$"lc=80
else
syn match fortranSerialNumber excludenl "^.\{73,}$"lc=72
endif
"Flag left margin errors
syn match fortranLabelError "^.\{-,4}[^0-9 ]" contains=fortranTab
syn match fortranLabelError "^.\{4}\d\S"
endif
syn match fortranComment excludenl "^[!c*].*$" contains=@fortranCommentGroup,@spell
syn match fortranLeftMargin transparent "^ \{5}"
syn match fortranContinueMark display "^.\{5}\S"lc=5
else
syn match fortranContinueMark display "&"
endif
syn match fortranComment excludenl "!.*$" contains=@fortranCommentGroup,@spell
syn match fortranOpenMP excludenl "^\s*!\$\(OMP\)\=&\=\s.*$"
"cpp is often used with Fortran
syn match cPreProc "^\s*#\s*\(define\|ifdef\)\>.*"
syn match cPreProc "^\s*#\s*\(elif\|if\)\>.*"
syn match cPreProc "^\s*#\s*\(ifndef\|undef\)\>.*"
syn match cPreCondit "^\s*#\s*\(else\|endif\)\>.*"
syn region cIncluded contained start=+"[^("]+ skip=+\\\\\|\\"+ end=+"+ contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
"syn region cIncluded contained start=+"[^("]+ skip=+\\\\\|\\"+ end=+"+
syn match cIncluded contained "<[^>]*>"
syn match cInclude "^\s*#\s*include\>\s*["<]" contains=cIncluded
"Synchronising limits assume that comment and continuation lines are not mixed
if exists("fortran_fold")
syn sync fromstart
elseif (b:fortran_fixed_source == 0)
syn sync linecont "&" minlines=30
else
syn sync minlines=30
endif
if exists("fortran_fold")
if (b:fortran_fixed_source == 1)
syn region fortranProgram transparent fold keepend start="^\s*program\s\+\z(\a\w*\)" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*\(program\(\s\+\z1\>\)\=\|$\)" contains=ALLBUT,fortranModule
syn region fortranModule transparent fold keepend start="^\s*submodule\s\+(\a\w*\s*\(:\a\w*\s*\)*)\s*\z\(\a\w*\)" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*\(submodule\(\s\+\z1\>\)\=\|$\)" contains=ALLBUT,fortranProgram,fortranModule
syn region fortranModule transparent fold keepend start="^\s*module\s\+\(procedure\)\@!\z(\a\w*\)" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*\(module\(\s\+\z1\>\)\=\|$\)" contains=ALLBUT,fortranProgram
syn region fortranFunction transparent fold keepend extend start="^\s*\(elemental \|pure \|impure \|module \|recursive \)\=\s*\(\(\(real \|integer \|logical \|complex \|double \s*precision \)\s*\((\(\s*kind\s*=\)\=\s*\w\+\s*)\)\=\)\|type\s\+(\s*\w\+\s*) \|character \((\(\s*len\s*=\)\=\s*\d\+\s*)\|(\(\s*kind\s*=\)\=\s*\w\+\s*)\)\=\)\=\s*function\s\+\z(\a\w*\)" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*\($\|function\(\s\+\z1\>\)\=\)" contains=ALLBUT,fortranProgram,fortranModule
syn region fortranSubroutine transparent fold keepend extend start="^\s*\(elemental \|pure \|impure \|module \|recursive \)\=\s*subroutine\s\+\z(\a\w*\)" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*\($\|subroutine\(\s\+\z1\>\)\=\)" contains=ALLBUT,fortranProgram,fortranModule
syn region fortranBlockData transparent fold keepend start="\<block\s*data\(\s\+\z(\a\w*\)\)\=" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*\($\|block\s*data\(\s\+\z1\>\)\=\)" contains=ALLBUT,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock
syn region fortranAssociate transparent fold keepend start="^\s*\<associate\s\+" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*associate" contains=ALLBUT,fortranProgram,fortranModule,fortranSubroutine,fortranFunction
syn region fortranInterface transparent fold keepend extend start="^\s*\(abstract \)\=\s*interface\>" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*interface\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock
syn region fortranTypeDef transparent fold keepend extend start="^\s*type\s*\(,\s*\(public\|private\|abstract\)\)\=\s*::" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*type\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock,fortranInterface
else
syn region fortranProgram transparent fold keepend start="^\s*program\s\+\z(\a\w*\)" skip="^\s*[!#].*$" excludenl end="\<end\s*\(program\(\s\+\z1\>\)\=\|$\)" contains=ALLBUT,fortranModule
syn region fortranModule transparent fold keepend start="^\s*submodule\s\+(\a\w*\s*\(:\a\w*\s*\)*)\s*\z\(\a\w*\)" skip="^\s*[!#].*$" excludenl end="\<end\s*\(submodule\(\s\+\z1\>\)\=\|$\)" contains=ALLBUT,fortranProgram,fortranModule
syn region fortranModule transparent fold keepend start="^\s*module\s\+\(procedure\)\@!\z(\a\w*\)" skip="^\s*[!#].*$" excludenl end="\<end\s*\(module\(\s\+\z1\>\)\=\|$\)" contains=ALLBUT,fortranProgram
syn region fortranFunction transparent fold keepend extend start="^\s*\(elemental \|pure \|impure \|module \|recursive \)\=\s*\(\(\(real \|integer \|logical \|complex \|double \s*precision \)\s*\((\(\s*kind\s*=\)\=\s*\w\+\s*)\)\=\)\|type\s\+(\s*\w\+\s*) \|character \((\(\s*len\s*=\)\=\s*\d\+\s*)\|(\(\s*kind\s*=\)\=\s*\w\+\s*)\)\=\)\=\s*function\s\+\z(\a\w*\)" skip="^\s*[!#].*$" excludenl end="\<end\s*\($\|function\(\s\+\z1\>\)\=\)" contains=ALLBUT,fortranProgram,fortranModule
syn region fortranSubroutine transparent fold keepend extend start="^\s*\(elemental \|pure \|impure \|module \|recursive \)\=\s*subroutine\s\+\z(\a\w*\)" skip="^\s*[!#].*$" excludenl end="\<end\s*\($\|subroutine\(\s\+\z1\>\)\=\)" contains=ALLBUT,fortranProgram,fortranModule
syn region fortranBlockData transparent fold keepend start="\<block\s*data\(\s\+\z(\a\w*\)\)\=" skip="^\s*[!#].*$" excludenl end="\<end\s*\($\|block\s*data\(\s\+\z1\>\)\=\)" contains=ALLBUT,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock
syn region fortranAssociate transparent fold keepend start="^\s*\<associate\s\+" skip="^\s*[!#].*$" excludenl end="\<end\s*associate" contains=ALLBUT,fortranProgram,fortranModule,fortranSubroutine,fortranFunction
syn region fortranInterface transparent fold keepend extend start="^\s*\(abstract \)\=\s*interface\>" skip="^\s*[!#].*$" excludenl end="\<end\s*interface\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock
syn region fortranTypeDef transparent fold keepend extend start="^\s*type\s*\(,\s*\(public\|private\|abstract\)\)\=\s*::" skip="^\s*[!#].*$" excludenl end="\<end\s*type\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock,fortranInterface
endif
if exists("fortran_fold_conditionals")
if (b:fortran_fixed_source == 1)
syn region fortran77Loop transparent fold keepend start="\<do\s\+\z(\d\+\)" end="^\s*\z1\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
syn region fortran90Loop transparent fold keepend extend start="\(\<end\s\+\)\@<!\<do\(\s\+\a\|\s*$\)" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*do\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
syn region fortranIfBlock transparent fold keepend extend start="\(\<e\(nd\|lse\)\s\+\)\@<!\<if\s*(.\+)\s*then\>" skip="^\([!c*]\|\s*#\).*$" end="\<end\s*if\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
syn region fortranCase transparent fold keepend extend start="\<select\s*\(case\|type\)\>" skip="^\([!c*]\|\s*#\).*$" end="\<end\s*select\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
else
syn region fortran77Loop transparent fold keepend start="\<do\s\+\z(\d\+\)" end="^\s*\z1\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
syn region fortran90Loop transparent fold keepend extend start="\(\<end\s\+\)\@<!\<do\(\s\+\a\|\s*$\)" skip="^\s*[!#].*$" excludenl end="\<end\s*do\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
syn region fortranIfBlock transparent fold keepend extend start="\(\<e\(nd\|lse\)\s\+\)\@<!\<if\s*(\(.\|&\s*\n\)\+)\(\s\|&\s*\n\)*then\>" skip="^\s*[!#].*$" end="\<end\s*if\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
syn region fortranCase transparent fold keepend extend start="\<select\s*\(case\|type\)\>" skip="^\s*[!#].*$" end="\<end\s*select\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
endif
endif
if exists("fortran_fold_multilinecomments")
if (b:fortran_fixed_source == 1)
syn match fortranMultiLineComments transparent fold "\(^[!c*].*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
else
syn match fortranMultiLineComments transparent fold "\(^\s*!.*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
endif
endif
endif
" Define the default highlighting.
" Transparent groups:
" fortranParen, fortranLeftMargin
" fortranProgram, fortranModule, fortranSubroutine, fortranFunction,
" fortranBlockData
" fortran77Loop, fortran90Loop, fortranIfBlock, fortranCase
" fortranMultiCommentLines
hi def link fortranKeyword Keyword
hi def link fortranConstructName Identifier
hi def link fortranConditional Conditional
hi def link fortranRepeat Repeat
hi def link fortranTodo Todo
hi def link fortranContinueMark Special
hi def link fortranString String
hi def link fortranNumber Number
hi def link fortranBinary Number
hi def link fortranOctal Number
hi def link fortranHex Number
hi def link fortranOperator Operator
hi def link fortranBoolean Boolean
hi def link fortranLabelError Error
hi def link fortranObsolete Todo
hi def link fortranType Type
hi def link fortranStructure Type
hi def link fortranStorageClass StorageClass
hi def link fortranIntrinsic Function
hi def link fortranCall Function
hi def link fortranUserUnit Function
hi def link fortranUnitHeader fortranPreCondit
hi def link fortranReadWrite Keyword
hi def link fortranIO Keyword
hi def link fortranConstant Constant
hi def link fortranInclude Include
hi def link fortranLabelNumber Special
hi def link fortranTarget Special
hi def link fortranFloatIll fortranFloat
" Redundant features which may one day become obsolescent
hi def link fortranIntrinsicR fortranIntrinsic
hi def link fortranTypeR fortranType
hi def link fortranStorageClassR fortranStorageClass
hi def link fortranOperatorR fortranOperator
hi def link fortranIOR fortranIO
hi def link fortranConditionalR fortranConditional
" features deleted or declared obsolescent in Fortran 2023
if (b:fortran_fixed_source == 1)
hi def link fortranUnitHeaderOb fortranUnitHeader
hi def link fortranKeywordOb fortranKeyword
hi def link fortranKeywordDel fortranKeyword
hi def link fortranConditionalDel fortranConditional
hi def link fortranTypeOb fortranType
hi def link fortranStorageClassOb fortranStorageClass
hi def link fortranRepeatOb fortranRepeat
hi def link fortranIntrinsicOb fortranIntrinsic
else
hi def link fortranUnitHeaderOb fortranObsolete
hi def link fortranKeywordOb fortranObsolete
hi def link fortranKeywordDel fortranObsolete
hi def link fortranConditionalDel fortranObsolete
hi def link fortranTypeOb fortranObsolete
hi def link fortranStorageClassOb fortranObsolete
hi def link fortranRepeatOb fortranObsolete
hi def link fortranIntrinsicOb fortranObsolete
endif
hi def link fortranFormatSpec Identifier
hi def link fortranFloat Float
hi def link fortranPreCondit PreCondit
hi def link cIncluded fortranString
hi def link cInclude Include
hi def link cPreProc PreProc
hi def link cPreCondit PreCondit
hi def link fortranOpenMP PreProc
hi def link fortranParenError Error
hi def link fortranComment Comment
hi def link fortranSerialNumber Todo
hi def link fortranTab Error
if exists("fortran_CUDA")
hi def link fortranIntrinsicCUDA fortranIntrinsic
hi def link fortranTypeCUDA fortranType
hi def link fortranStringCUDA fortranString
endif
if exists("fortran_vendor_intrinsics")
hi def link fortranExtraIntrinsic Function
endif
let b:current_syntax = "fortran"
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: ts=8 tw=132
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