" Vim syntax file " Language: Fortran 2008 (and older: Fortran 2003, 95, 90, and 77) " Version: (v103) 2020 October 07 " Maintainer: Ajit J. Thakkar ; " 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 Dieudonné, Alexander Wagner, Roman Bertle, Charles Rendleman, " Andrew Griffiths, Joe Krahn, Hendrik Merx, Matt Thompson, Jan Hermann, " Stefano Zaghi, Vishnu V. Krishnan, Judicaël Grasset, Takuma Yoshida, " Eisuke Kawashima, and André Chalella.` if exists("b:current_syntax") finish endif let s:cpo_save = &cpo set cpo&vim " Choose fortran_dialect using the priority: " source file directive > buffer-local value > global value > file extension " first try using directive in first three lines of file let b:fortran_retype = getline(1)." ".getline(2)." ".getline(3) if b:fortran_retype =~? '\' let b:fortran_dialect = "F" elseif b:fortran_retype =~? '\' let b:fortran_dialect = "f08" elseif !exists("b:fortran_dialect") if exists("g:fortran_dialect") && g:fortran_dialect =~# '\' " try global variable let b:fortran_dialect = g:fortran_dialect else " nothing found, so use default let b:fortran_dialect = "f08" endif endif unlet! b:fortran_retype " make sure buffer-local value is not invalid if b:fortran_dialect !~# '\' let b:fortran_dialect = "f08" endif " Choose between fixed and free source form if this hasn't been done yet if !exists("b:fortran_fixed_source") if b:fortran_dialect == "F" " F requires free source form let b:fortran_fixed_source = 0 elseif 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\)$' " Fixed-form file extension defaults let b:fortran_fixed_source = 1 else " Modern fortran still allows both free and fixed source form. " Assume fixed source form unless signs of free source form " are detected in the first five columns of the first s:lmax lines. " Detection becomes more accurate and time-consuming if more lines " are checked. Increase the limit below if you keep lots of comments at " the very top of each file and you have a fast computer. let s:lmax = 500 if ( s:lmax > line("$") ) 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 if exists("fortran_more_precise") syn match fortranConstructName "\(\" syn match fortranType "\" syn match fortranType "\" syn match fortranType "\" syn match fortranType "\" syn match fortranType "\" syn keyword fortranType intrinsic syn match fortranType "\" syn keyword fortranStructure dimension syn keyword fortranStorageClass parameter save syn match fortranUnitHeader "\" syn keyword fortranCall call syn match fortranUnitHeader "\" syn match fortranUnitHeader "\" syn match fortranUnitHeader "\" syn keyword fortranKeyword return stop syn keyword fortranConditional else then syn match fortranConditional "\" syn match fortranConditionalOb "\" syn keyword fortranTodo contained 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 "\" syn match fortranType "\" "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 if exists("fortran_more_precise") " Numbers as targets syn match fortranTarget display "\(\" syn match fortranTarget display "\(\" syn match fortranTarget display "\(\" endif syn keyword fortranTypeR external syn keyword fortranIOR format syn match fortranKeywordR "\" syn match fortranKeyword "^\s*\d\+\s\+continue\>" syn match fortranKeyword "\" syn match fortranKeywordDel "\" syn keyword fortranType none syn keyword fortranStructure private public intent optional syn keyword fortranStructure pointer target allocatable syn keyword fortranStorageClass in out syn match fortranStorageClass "\" syn match fortranUnitHeader "\" syn keyword fortranUnitHeader use only contains syn keyword fortranUnitHeader result operator assignment syn match fortranUnitHeader "\" syn keyword fortranKeyword allocate deallocate nullify cycle exit syn match fortranConditional "\" syn keyword fortranConditional case default 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 keyword 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 syn keyword fortranIntrinsic scale scan selected_int_kind selected_real_kind set_exponent shape size spacing spread sum system_clock tiny transpose trim ubound unpack verify syn match fortranIntrinsic "\\(\s*\.\)\@!"me=s+3 syn match fortranIntrinsic "\\s*[(,]"me=s+4 syn match fortranUnitHeader "\" syn keyword fortranIOR namelist syn keyword fortranConditionalR while syn keyword fortranIntrinsicR achar iachar transfer syn keyword fortranInclude include syn keyword fortranStorageClassR sequence syn match fortranConditional "\" syn match fortranType "\" syn match fortranType "\" syn match fortranType "\" if exists("fortran_more_precise") syn match fortranConstructName "\(\" endif if b:fortran_dialect == "f08" " 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 "\" syn match fortranType "\" syn match fortranType "\" syn match fortranType "\" syn match fortranConditional "\" syn match fortranUnitHeader "\" 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 syn match fortranTypeCUDA "\" syn keyword fortranTypeCUDA host global device value 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 syn region none matchgroup=fortranType start="<<<" end=">>>" contains=ALLBUT,none endif syn cluster fortranCommentGroup contains=fortranTodo if (b:fortran_fixed_source == 1) if !exists("fortran_have_tabs") "Flag items beyond column 72 syn match fortranSerialNumber excludenl "^.\{73,}$"lc=72 "Flag left margin errors syn match fortranLabelError "^.\{-,4}[^0-9 ]" contains=fortranTab syn match fortranLabelError "^.\{4}\d\S" endif syn match fortranComment excludenl "^[!c*].*$" 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") || exists("fortran_more_precise") 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="^\([!c*]\|\s*#\).*$" excludenl end="\\)\=\|$\)" contains=ALLBUT,fortranModule syn region fortranModule transparent fold keepend start="^\s*submodule\s\+(\a\w*\s*\(:\a\w*\s*\)*)\s*\z\(\a\w*\)" skip="^\([!c*]\|\s*#\).*$" excludenl end="\\)\=\|$\)" contains=ALLBUT,fortranProgram,fortranModule syn region fortranModule transparent fold keepend start="^\s*module\s\+\(procedure\)\@!\z(\a\w*\)" skip="^\([!c*]\|\s*#\).*$" excludenl end="\\)\=\|$\)" 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="\\)\=\)" 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="\\)\=\)" contains=ALLBUT,fortranProgram,fortranModule syn region fortranBlockData transparent fold keepend start="\