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|
" Vim syntax file
" Language: Fortran95 (and Fortran90, Fortran77, F and elf90)
" Version: 0.87
" URL: http://www.unb.ca/chem/ajit/syntax/fortran.vim
" Last Change: 2006 Apr. 04
" Maintainer: Ajit J. Thakkar (ajit AT unb.ca); <http://www.unb.ca/chem/ajit/>
" Usage: Do :help fortran-syntax from Vim
" Credits:
" Version 0.1 was based on the fortran 77 syntax file by Mario Eusebio and
" Preben Guldberg. Useful suggestions were made by: Andrej Panjkov,
" Bram Moolenaar, Thomas Olsen, Michael Sternberg, Christian Reile,
" Walter Dieudonn�, Alexander Wagner, Roman Bertle, Charles Rendleman,
" and Andrew Griffiths. For instructions on use, do :help fortran from vim
" For version 5.x: Clear all syntax items
" For version 6.x: Quit if a syntax file is already loaded
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
" let b:fortran_dialect = fortran_dialect if set correctly by user
if exists("fortran_dialect")
if fortran_dialect =~ '\<\(f\(9[05]\|77\)\|elf\|F\)\>'
let b:fortran_dialect = matchstr(fortran_dialect,'\<\(f\(9[05]\|77\)\|elf\|F\)\>')
else
echohl WarningMsg | echo "Unknown value of fortran_dialect" | echohl None
let b:fortran_dialect = "unknown"
endif
else
let b:fortran_dialect = "unknown"
endif
" fortran_dialect not set or set incorrectly by user,
if b:fortran_dialect == "unknown"
" set b:fortran_dialect from directive in first three lines of file
let b:fortran_retype = getline(1)." ".getline(2)." ".getline(3)
if b:fortran_retype =~ '\<fortran_dialect\s*=\s*F\>'
let b:fortran_dialect = "F"
elseif b:fortran_retype =~ '\<fortran_dialect\s*=\s*elf\>'
let b:fortran_dialect = "elf"
elseif b:fortran_retype =~ '\<fortran_dialect\s*=\s*f90\>'
let b:fortran_dialect = "f90"
elseif b:fortran_retype =~ '\<fortran_dialect\s*=\s*f95\>'
let b:fortran_dialect = "f95"
elseif b:fortran_retype =~ '\<fortran_dialect\s*=\s*f77\>'
let b:fortran_dialect = "f77"
else
" no directive found, so assume f95
let b:fortran_dialect = "f95"
endif
unlet b:fortran_retype
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 == "elf" || b:fortran_dialect == "F"
" elf and F require free source form
let b:fortran_fixed_source = 0
elseif b:fortran_dialect == "f77"
" f77 requires fixed source form
let b:fortran_fixed_source = 1
elseif exists("fortran_free_source")
" User guarantees free source form for all f90 and f95 files
let b:fortran_fixed_source = 0
elseif exists("fortran_fixed_source")
" User guarantees fixed source form for all f90 and f95 files
let b:fortran_fixed_source = 1
else
" f90 and f95 allow both fixed and free source form.
" Assume fixed source form unless signs of free source form
" are detected in the first five columns of the first b: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 b:lmax = 250
if ( b:lmax > line("$") )
let b:lmax = line("$")
endif
let b:fortran_fixed_source = 1
let b:ln=1
while b:ln <= b:lmax
let b:test = strpart(getline(b:ln),0,5)
if b:test[0] !~ '[Cc*!#]' && b:test !~ '^ \+[!#]' && b:test =~ '[^ 0-9\t]'
let b:fortran_fixed_source = 0
break
endif
let b:ln = b:ln + 1
endwhile
unlet b:lmax b:ln b:test
endif
endif
syn case ignore
if b:fortran_dialect !=? "f77"
if version >= 600
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 "\(\<end\s*do\s\+\)\@<=\a\w*"
syn match fortranConstructName "\(\<end\s*if\s\+\)\@<=\a\w*"
syn match fortranConstructName "\(\<end\s*select\s\+\)\@<=\a\w*"
endif
else
if b:fortran_fixed_source == 1
syn match fortranConstructName "^\s\{6,}\a\w*\s*:"
else
syn match fortranConstructName "^\s*\a\w*\s*:"
endif
endif
endif
syn match fortranUnitHeader "\<end\>"
syn match fortranType "\<character\>"
syn match fortranType "\<complex\>"
syn match fortranType "\<integer\>"
syn keyword fortranType intrinsic
syn match fortranType "\<implicit\>"
syn keyword fortranStructure dimension
syn keyword fortranStorageClass parameter save
syn match fortranUnitHeader "\<subroutine\>"
syn keyword fortranCall call
syn match fortranUnitHeader "\<function\>"
syn match fortranUnitHeader "\<program\>"
syn keyword fortranKeyword return stop
syn keyword fortranConditional else then
syn match fortranConditional "\<if\>"
syn match fortranRepeat "\<do\>"
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 fortranBoolean "\.\s*\(true\|false\)\s*\."
syn keyword fortranReadWrite backspace close endfile inquire open print read rewind write
"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 keyword fortranIO access blank direct exist file fmt form formatted iostat name named nextrec number opened rec recl sequential status unformatted unit
syn keyword fortran66Intrinsic 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
" 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 erf erfc gamma 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 fortran77Intrinsic 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 fortran77Intrinsic "\<len\s*[(,]"me=s+3
syn match fortran77Intrinsic "\<real\s*("me=s+4
syn match fortranType "\<implicit\s\+real"
syn match fortranType "^\s*real\>"
syn match fortran90Intrinsic "\<logical\s*("me=s+7
syn match fortranType "\<implicit\s\+logical"
syn match fortranType "^\s*logical\>"
"Numbers of various sorts
" Integers
syn match fortranNumber display "\<\d\+\(_\a\w*\)\=\>"
" floating point number, without a decimal point
syn match fortranFloatNoDec display "\<\d\+[deq][-+]\=\d\+\(_\a\w*\)\=\>"
" floating point number, starting with a decimal point
syn match fortranFloatIniDec display "\.\d\+\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
" floating point number, no digits after decimal
syn match fortranFloatEndDec display "\<\d\+\.\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
" floating point number, D or Q exponents
syn match fortranFloatDExp display "\<\d\+\.\d\+\([dq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
" floating point number
syn match fortranFloat display "\<\d\+\.\d\+\(e[-+]\=\d\+\)\=\(_\a\w*\)\=\>"
" 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 version >= 600 && exists("fortran_more_precise")
" Numbers as targets
syn match fortranTarget display "\(\<if\s*(.\+)\s*\)\@<=\(\d\+\s*,\s*\)\{2}\d\+\>"
syn match fortranTarget display "\(\<do\s\+\)\@<=\d\+\>"
syn match fortranTarget display "\(\<go\s*to\s*(\=\)\@<=\(\d\+\s*,\s*\)*\d\+\>"
endif
syn keyword fortranTypeEx external
syn keyword fortranIOEx format
syn keyword fortranKeywordEx continue
syn match fortranKeywordEx "\<go\s*to\>"
syn region fortranStringEx start=+'+ end=+'+ contains=fortranContinueMark,fortranLeftMargin,fortranSerialNumber
syn keyword fortran77IntrinsicEx dim lge lgt lle llt mod
syn keyword fortranKeywordOb assign pause to
if b:fortran_dialect != "f77"
syn match fortranType "\<type\>"
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 "\<kind\s*="me=s+4
syn match fortranStorageClass "\<len\s*="me=s+3
syn match fortranUnitHeader "\<module\>"
syn keyword fortranUnitHeader use only contains
syn keyword fortranUnitHeader result operator assignment
syn match fortranUnitHeader "\<interface\>"
syn match fortranUnitHeader "\<recursive\>"
syn keyword fortranKeyword allocate deallocate nullify cycle exit
syn match fortranConditional "\<select\>"
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 fortran90Intrinsic 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 fortran90Intrinsic 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 fortran90Intrinsic "\<not\>\(\s*\.\)\@!"me=s+3
syn match fortran90Intrinsic "\<kind\>\s*[(,]"me=s+4
syn match fortranUnitHeader "\<end\s*function"
syn match fortranUnitHeader "\<end\s*interface"
syn match fortranUnitHeader "\<end\s*module"
syn match fortranUnitHeader "\<end\s*program"
syn match fortranUnitHeader "\<end\s*subroutine"
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 "\<in\s*out"
syn keyword fortranUnitHeaderEx procedure
syn keyword fortranIOEx namelist
syn keyword fortranConditionalEx while
syn keyword fortran90IntrinsicEx achar iachar transfer
syn keyword fortranInclude include
syn keyword fortran90StorageClassR sequence
endif
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 fortranUnitHeaderR entry
syn match fortranTypeR display "double\s\+precision"
syn match fortranTypeR display "double\s\+complex"
syn match fortranUnitHeaderR display "block\s\+data"
syn keyword fortranStorageClassR common equivalence data
syn keyword fortran77IntrinsicR dble dprod
syn match fortran77OperatorR "\.\s*[gl][et]\s*\."
syn match fortran77OperatorR "\.\s*\(eq\|ne\)\s*\."
if b:fortran_dialect == "f95"
syn keyword fortranRepeat forall
syn match fortranRepeat "\<end\s*forall"
syn keyword fortran95Intrinsic null cpu_time
syn match fortranType "\<elemental\>"
syn match fortranType "\<pure\>"
if exists("fortran_more_precise")
syn match fortranConstructName "\(\<end\s*forall\s\+\)\@<=\a\w*\>"
endif
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
syn match fortranLeftMargin transparent "^ \{5}"
syn match fortranContinueMark display "^.\{5}\S"lc=5
else
syn match fortranContinueMark display "&"
endif
if b:fortran_dialect != "f77"
syn match fortranComment excludenl "!.*$" contains=@fortranCommentGroup,@spell
endif
"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 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=20
else
syn sync minlines=20
endif
if version >= 600 && 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*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*\(elemental \|pure \|recursive \)\=\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*\(elemental \|pure \|recursive \)\=\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 fortranInterface transparent fold keepend extend start="^\s*interface\>" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*interface\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop
|