xref: /vim-8.2.3635/runtime/syntax/fortran.vim (revision cc7ff3fc)
1" Vim syntax file
2" Language:	Fortran 2008 (and older: Fortran 2003, 95, 90, and 77)
3" Version:	0.96
4" Last Change:	2015 Nov. 30
5" Maintainer:	Ajit J. Thakkar <[email protected]>; <http://www2.unb.ca/~ajit/>
6" Usage:	For instructions, do :help fortran-syntax from Vim
7" Credits:
8"  Version 0.1 was based on the fortran 77 syntax file by Mario Eusebio and
9"  Preben Guldberg. Useful suggestions and contributions were made by: Andrej Panjkov,
10"  Bram Moolenaar, Thomas Olsen, Michael Sternberg, Christian Reile,
11"  Walter Dieudonn�, Alexander Wagner, Roman Bertle, Charles Rendleman,
12"  Andrew Griffiths, Joe Krahn, Hendrik Merx, and Matt Thompson.
13
14if exists("b:current_syntax")
15  finish
16endif
17
18let s:cpo_save = &cpo
19set cpo&vim
20
21" Choose fortran_dialect using the priority:
22" source file directive > buffer-local value > global value > file extension
23" first try using directive in first three lines of file
24let b:fortran_retype = getline(1)." ".getline(2)." ".getline(3)
25if b:fortran_retype =~? '\<fortran_dialect\s*=\s*F\>'
26  let b:fortran_dialect = "F"
27elseif b:fortran_retype =~? '\<fortran_dialect\s*=\s*f08\>'
28  let b:fortran_dialect = "f08"
29elseif !exists("b:fortran_dialect")
30  if exists("g:fortran_dialect") && g:fortran_dialect =~# '\<F\|f08\>'
31    " try global variable
32    let b:fortran_dialect = g:fortran_dialect
33  else         " nothing found, so use default
34    let b:fortran_dialect = "f08"
35  endif
36endif
37unlet! b:fortran_retype
38" make sure buffer-local value is not invalid
39if b:fortran_dialect !~# '\<F\|f08\>'
40  let b:fortran_dialect = "f08"
41endif
42
43" Choose between fixed and free source form if this hasn't been done yet
44if !exists("b:fortran_fixed_source")
45  if b:fortran_dialect == "F"
46    " F requires free source form
47    let b:fortran_fixed_source = 0
48  elseif exists("fortran_free_source")
49    " User guarantees free source form for all fortran files
50    let b:fortran_fixed_source = 0
51  elseif exists("fortran_fixed_source")
52    " User guarantees fixed source form for all fortran files
53    let b:fortran_fixed_source = 1
54  elseif expand("%:e") ==? "f\<90\|95\|03\|08\>"
55    " Free-form file extension defaults as in Intel ifort, gcc(gfortran), NAG, Pathscale, and Cray compilers
56    let b:fortran_fixed_source = 0
57  elseif expand("%:e") ==? "f\|f77\|for"
58    " Fixed-form file extension defaults
59    let b:fortran_fixed_source = 1
60  else
61    " Modern fortran still allows both free and fixed source form.
62    " Assume fixed source form unless signs of free source form
63    " are detected in the first five columns of the first s:lmax lines.
64    " Detection becomes more accurate and time-consuming if more lines
65    " are checked. Increase the limit below if you keep lots of comments at
66    " the very top of each file and you have a fast computer.
67    let s:lmax = 500
68    if ( s:lmax > line("$") )
69      let s:lmax = line("$")
70    endif
71    let b:fortran_fixed_source = 1
72    let s:ln=1
73    while s:ln <= s:lmax
74      let s:test = strpart(getline(s:ln),0,5)
75      if s:test !~ '^[Cc*]' && s:test !~ '^ *[!#]' && s:test =~ '[^ 0-9\t]' && s:test !~ '^[ 0-9]*\t'
76        let b:fortran_fixed_source = 0
77        break
78      endif
79      let s:ln = s:ln + 1
80    endwhile
81    unlet! s:lmax s:ln s:test
82  endif
83endif
84
85syn case ignore
86
87if b:fortran_fixed_source == 1
88  syn match fortranConstructName	"^\s\{6,}\zs\a\w*\ze\s*:"
89else
90  syn match fortranConstructName	"^\s*\zs\a\w*\ze\s*:"
91endif
92if exists("fortran_more_precise")
93  syn match fortranConstructName "\(\<end\s*do\s\+\)\@<=\a\w*"
94  syn match fortranConstructName "\(\<end\s*if\s\+\)\@<=\a\w*"
95  syn match fortranConstructName "\(\<end\s*select\s\+\)\@<=\a\w*"
96endif
97
98syn match fortranUnitHeader	"\<end\>"
99syn match fortranType		"\<character\>"
100syn match fortranType		"\<complex\>"
101syn match fortranType		"\<integer\>"
102syn keyword fortranType		intrinsic
103syn match fortranType		"\<implicit\>"
104syn keyword fortranStructure	dimension
105syn keyword fortranStorageClass	parameter save
106syn match fortranUnitHeader	"\<subroutine\>"
107syn keyword fortranCall		call
108syn match fortranUnitHeader	"\<function\>"
109syn match fortranUnitHeader	"\<program\>"
110syn keyword fortranKeyword	return stop
111syn keyword fortranConditional	else then
112syn match fortranConditional	"\<if\>"
113syn match fortranConditionalOb	"\<if\s*(.*)\s*\d\+\s*,\s*\d\+\s*,\s*\d\+\s*$"
114syn match fortranRepeat		"\<do\>"
115
116syn keyword fortranTodo		contained todo fixme
117
118"Catch errors caused by too many right parentheses
119syn region fortranParen transparent start="(" end=")" contains=ALLBUT,fortranParenError,@fortranCommentGroup,cIncluded,@spell
120syn match  fortranParenError   ")"
121
122syn match fortranOperator	"\.\s*n\=eqv\s*\."
123syn match fortranOperator	"\.\s*\(and\|or\|not\)\s*\."
124syn match fortranOperator	"\(+\|-\|/\|\*\)"
125syn match fortranTypeOb		"\<character\s*\*"
126
127syn match fortranBoolean	"\.\s*\(true\|false\)\s*\."
128
129syn keyword fortranReadWrite	backspace close endfile inquire open print read rewind write
130
131"If tabs are allowed then the left margin checks do not work
132if exists("fortran_have_tabs")
133  syn match fortranTab		"\t"  transparent
134else
135  syn match fortranTab		"\t"
136endif
137
138syn keyword fortranIO		access blank direct exist file fmt form formatted iostat name named nextrec number opened rec recl sequential status unformatted unit
139
140syn keyword fortranIntrinsicR		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
141
142" Intrinsics provided by some vendors
143syn 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
144
145syn 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
146syn match fortranIntrinsic	"\<len\s*[(,]"me=s+3
147syn match fortranIntrinsic	"\<real\s*("me=s+4
148syn match fortranType		"\<implicit\s\+real"
149syn match fortranType		"^\s*real\>"
150syn match fortranIntrinsic	"\<logical\s*("me=s+7
151syn match fortranType		"\<implicit\s\+logical"
152syn match fortranType		"^\s*logical\>"
153
154"Numbers of various sorts
155" Integers
156syn match fortranNumber	display "\<\d\+\(_\a\w*\)\=\>"
157" floating point number, without a decimal point
158syn match fortranFloatIll	display	"\<\d\+[deq][-+]\=\d\+\(_\a\w*\)\=\>"
159" floating point number, starting with a decimal point
160syn match fortranFloatIll	display	"\.\d\+\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
161" floating point number, no digits after decimal
162syn match fortranFloatIll	display	"\<\d\+\.\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
163" floating point number, D or Q exponents
164syn match fortranFloatIll	display	"\<\d\+\.\d\+\([dq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
165" floating point number
166syn match fortranFloat	display	"\<\d\+\.\d\+\(e[-+]\=\d\+\)\=\(_\a\w*\)\=\>"
167" Numbers in formats
168syn match fortranFormatSpec	display	"\d*f\d\+\.\d\+"
169syn match fortranFormatSpec	display	"\d*e[sn]\=\d\+\.\d\+\(e\d+\>\)\="
170syn match fortranFormatSpec	display	"\d*\(d\|q\|g\)\d\+\.\d\+\(e\d+\)\="
171syn match fortranFormatSpec	display	"\d\+x\>"
172" The next match cannot be used because it would pick up identifiers as well
173" syn match fortranFormatSpec	display	"\<\(a\|i\)\d\+"
174
175" Numbers as labels
176syn match fortranLabelNumber	display	"^\d\{1,5}\s"me=e-1
177syn match fortranLabelNumber	display	"^ \d\{1,4}\s"ms=s+1,me=e-1
178syn match fortranLabelNumber	display	"^  \d\{1,3}\s"ms=s+2,me=e-1
179syn match fortranLabelNumber	display	"^   \d\d\=\s"ms=s+3,me=e-1
180syn match fortranLabelNumber	display	"^    \d\s"ms=s+4,me=e-1
181
182if exists("fortran_more_precise")
183  " Numbers as targets
184  syn match fortranTarget	display	"\(\<if\s*(.\+)\s*\)\@<=\(\d\+\s*,\s*\)\{2}\d\+\>"
185  syn match fortranTarget	display	"\(\<do\s\+\)\@<=\d\+\>"
186  syn match fortranTarget	display	"\(\<go\s*to\s*(\=\)\@<=\(\d\+\s*,\s*\)*\d\+\>"
187endif
188
189syn keyword fortranTypeR	external
190syn keyword fortranIOR		format
191syn match fortranKeywordR	"\<continue\>"
192syn match fortranKeyword	"^\s*\d\+\s\+continue\>"
193syn match fortranKeyword  	"\<go\s*to\>"
194syn match fortranKeywordDel  	"\<go\s*to\ze\s\+.*,\s*(.*$"
195syn match fortranKeywordOb  	"\<go\s*to\ze\s*(\d\+.*$"
196syn region fortranStringR	start=+'+ end=+'+ contains=fortranContinueMark,fortranLeftMargin,fortranSerialNumber
197syn keyword fortranIntrinsicR	dim lge lgt lle llt mod
198syn keyword fortranKeywordDel	assign pause
199
200syn match fortranType           "\<type\>"
201syn keyword fortranType	        none
202
203syn keyword fortranStructure	private public intent optional
204syn keyword fortranStructure	pointer target allocatable
205syn keyword fortranStorageClass	in out
206syn match fortranStorageClass	"\<kind\s*="me=s+4
207syn match fortranStorageClass	"\<len\s*="me=s+3
208
209syn match fortranUnitHeader	"\<module\>"
210syn keyword fortranUnitHeader	use only contains
211syn keyword fortranUnitHeader	result operator assignment
212syn match fortranUnitHeader	"\<interface\>"
213syn match fortranUnitHeader	"\<recursive\>"
214syn keyword fortranKeyword	allocate deallocate nullify cycle exit
215syn match fortranConditional	"\<select\>"
216syn keyword fortranConditional	case default where elsewhere
217
218syn match fortranOperator	"\(\(>\|<\)=\=\|==\|/=\|=\)"
219syn match fortranOperator	"=>"
220
221syn region fortranString	start=+"+ end=+"+	contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
222syn keyword fortranIO		pad position action delim readwrite
223syn keyword fortranIO		eor advance nml
224
225syn 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
226syn 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
227syn match fortranIntrinsic		"\<not\>\(\s*\.\)\@!"me=s+3
228syn match fortranIntrinsic	"\<kind\>\s*[(,]"me=s+4
229
230syn match  fortranUnitHeader	"\<end\s*function"
231syn match  fortranUnitHeader	"\<end\s*interface"
232syn match  fortranUnitHeader	"\<end\s*module"
233syn match  fortranUnitHeader	"\<end\s*program"
234syn match  fortranUnitHeader	"\<end\s*subroutine"
235syn match  fortranRepeat	"\<end\s*do"
236syn match  fortranConditional	"\<end\s*where"
237syn match  fortranConditional	"\<select\s*case"
238syn match  fortranConditional	"\<end\s*select"
239syn match  fortranType	"\<end\s*type"
240syn match  fortranType	"\<in\s*out"
241
242syn keyword fortranType	        procedure
243syn match  fortranType	        "\<module\ze\s\+procedure\>"
244syn keyword fortranIOR		namelist
245syn keyword fortranConditionalR	while
246syn keyword fortranIntrinsicR	achar iachar transfer
247
248syn keyword fortranInclude		include
249syn keyword fortranStorageClassR	sequence
250
251syn match   fortranConditional	"\<end\s*if"
252syn match   fortranIO		contains=fortranOperator "\<e\(nd\|rr\)\s*=\s*\d\+"
253syn match   fortranConditional	"\<else\s*if"
254
255syn keyword fortranUnitHeaderOb	entry
256syn match fortranTypeR		display "double\s\+precision"
257syn match fortranTypeR		display "double\s\+complex"
258syn match fortranUnitHeaderR	display "block\s\+data"
259syn keyword fortranStorageClassR	common equivalence data
260syn keyword fortranIntrinsicR	dble dprod
261syn match   fortranOperatorR	"\.\s*[gl][et]\s*\."
262syn match   fortranOperatorR	"\.\s*\(eq\|ne\)\s*\."
263
264syn keyword fortranRepeat		forall
265syn match fortranRepeat		"\<end\s*forall"
266syn keyword fortranIntrinsic	null cpu_time
267syn match fortranType			"\<elemental\>"
268syn match fortranType			"\<pure\>"
269if exists("fortran_more_precise")
270  syn match fortranConstructName "\(\<end\s*forall\s\+\)\@<=\a\w*\>"
271endif
272
273if b:fortran_dialect == "f08"
274  " F2003
275  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
276  " ISO_C_binding
277  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
278  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
279  syn keyword fortranIntrinsic        iso_c_binding c_loc c_funloc c_associated  c_f_pointer c_f_procpointer
280  syn keyword fortranType             c_ptr c_funptr
281  " ISO_Fortran_env
282  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
283  " IEEE_arithmetic
284  syn keyword fortranIntrinsic        ieee_arithmetic ieee_support_underflow_control ieee_get_underflow_mode ieee_set_underflow_mode
285
286  syn keyword fortranReadWrite	flush wait
287  syn keyword fortranIO 	      decimal round iomsg
288  syn keyword fortranType             asynchronous nopass non_overridable pass protected volatile abstract extends import
289  syn keyword fortranType             non_intrinsic value bind deferred generic final enumerator
290  syn match fortranType               "\<class\>"
291  syn match fortranType               "\<associate\>"
292  syn match fortranType               "\<end\s*associate"
293  syn match fortranType               "\<enum\s*,\s*bind\s*(\s*c\s*)"
294  syn match fortranType               "\<end\s*enum"
295  syn match fortranConditional	"\<select\s*type"
296  syn match fortranConditional        "\<type\s*is\>"
297  syn match fortranConditional        "\<class\s*is\>"
298  syn match fortranUnitHeader         "\<abstract\s*interface\>"
299  syn match fortranOperator           "\([\|]\)"
300
301  " F2008
302  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
303  syn keyword fortranIntrinsic        atomic_define atomic_ref execute_command_line leadz trailz storage_size merge_bits
304  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
305  syn keyword fortranIO               newunit
306  syn keyword fortranType             contiguous
307
308" CUDA fortran
309  syn match fortranTypeCUDA           "\<attributes\>"
310  syn keyword fortranTypeCUDA         host global device value
311  syn keyword fortranTypeCUDA         shared constant pinned texture
312  syn keyword fortranTypeCUDA         dim1 dim2 dim3 dim4
313  syn keyword fortranTypeCUDA         cudadeviceprop cuda_count_kind cuda_stream_kind
314  syn keyword fortranTypeCUDA         cudaEvent cudaFuncAttributes cudaArrayPtr
315  syn keyword fortranTypeCUDA         cudaSymbol cudaChannelFormatDesc cudaPitchedPtr
316  syn keyword fortranTypeCUDA         cudaExtent cudaMemcpy3DParms
317  syn keyword fortranTypeCUDA         cudaFuncCachePreferNone cudaFuncCachePreferShared
318  syn keyword fortranTypeCUDA         cudaFuncCachePreferL1 cudaLimitStackSize
319  syn keyword fortranTypeCUDA         cudaLimitPrintfSize cudaLimitMallocHeapSize
320  syn keyword fortranTypeCUDA         cudaSharedMemBankSizeDefault cudaSharedMemBankSizeFourByte cudaSharedMemBankSizeEightByte
321  syn keyword fortranTypeCUDA         cudaEventDefault cudaEventBlockingSync cudaEventDisableTiming
322  syn keyword fortranTypeCUDA         cudaMemcpyHostToDevice cudaMemcpyDeviceToHost
323  syn keyword fortranTypeCUDA         cudaMemcpyDeviceToDevice
324  syn keyword fortranTypeCUDA         cudaErrorNotReady cudaSuccess cudaErrorInvalidValue
325  syn keyword fortranTypeCUDA         c_devptr
326
327  syn match fortranStringCUDA         "blockidx%[xyz]"
328  syn match fortranStringCUDA         "blockdim%[xyz]"
329  syn match fortranStringCUDA         "griddim%[xyz]"
330  syn match fortranStringCUDA         "threadidx%[xyz]"
331
332  syn keyword fortranIntrinsicCUDA    warpsize syncthreads syncthreads_and syncthreads_count syncthreads_or threadfence threadfence_block threadfence_system gpu_time allthreads anythread ballot
333  syn keyword fortranIntrinsicCUDA    atomicadd atomicsub atomicmax atomicmin atomicand atomicor atomicxor atomicexch atomicinc atomicdec atomiccas sizeof __shfl __shfl_up __shfl_down __shfl_xor
334  syn keyword fortranIntrinsicCUDA    cudaChooseDevice cudaDeviceGetCacheConfig cudaDeviceGetLimit cudaDeviceGetSharedMemConfig cudaDeviceReset cudaDeviceSetCacheConfig cudaDeviceSetLimit cudaDeviceSetSharedMemConfig cudaDeviceSynchronize cudaGetDevice cudaGetDeviceCount cudaGetDeviceProperties cudaSetDevice cudaSetDeviceFlags cudaSetValidDevices
335  syn keyword fortranIntrinsicCUDA    cudaThreadExit cudaThreadSynchronize cudaGetLastError cudaGetErrorString cudaPeekAtLastError cudaStreamCreate cudaStreamDestroy cudaStreamQuery cudaStreamSynchronize cudaStreamWaitEvent cudaEventCreate cudaEventCreateWithFlags cudaEventDestroy cudaEventElapsedTime cudaEventQuery cudaEventRecord cudaEventSynchronize
336  syn keyword fortranIntrinsicCUDA    cudaFuncGetAttributes cudaFuncSetCacheConfig cudaFuncSetSharedMemConfig cudaSetDoubleForDevice cudaSetDoubleForHost cudaFree cudaFreeArray cudaFreeHost cudaGetSymbolAddress cudaGetSymbolSize
337  syn keyword fortranIntrinsicCUDA    cudaHostAlloc cudaHostGetDevicePointer cudaHostGetFlags cudaHostRegister cudaHostUnregister cudaMalloc cudaMallocArray cudaMallocHost cudaMallocPitch cudaMalloc3D cudaMalloc3DArray
338  syn keyword fortranIntrinsicCUDA    cudaMemcpy cudaMemcpyArraytoArray cudaMemcpyAsync cudaMemcpyFromArray cudaMemcpyFromSymbol cudaMemcpyFromSymbolAsync cudaMemcpyPeer cudaMemcpyPeerAsync cudaMemcpyToArray cudaMemcpyToSymbol cudaMemcpyToSymbolAsync cudaMemcpy2D cudaMemcpy2DArrayToArray cudaMemcpy2DAsync cudaMemcpy2DFromArray cudaMemcpy2DToArray cudaMemcpy3D cudaMemcpy3DAsync
339  syn keyword fortranIntrinsicCUDA    cudaMemGetInfo cudaMemset cudaMemset2D cudaMemset3D cudaDeviceCanAccessPeer cudaDeviceDisablePeerAccess cudaDeviceEnablePeerAccess cudaPointerGetAttributes cudaDriverGetVersion cudaRuntimeGetVersion
340
341  syn region none matchgroup=fortranType start="<<<" end=">>>" contains=ALLBUT,none
342endif
343
344syn cluster fortranCommentGroup contains=fortranTodo
345
346if (b:fortran_fixed_source == 1)
347  if !exists("fortran_have_tabs")
348    "Flag items beyond column 72
349    syn match fortranSerialNumber	excludenl "^.\{73,}$"lc=72
350    "Flag left margin errors
351    syn match fortranLabelError	"^.\{-,4}[^0-9 ]" contains=fortranTab
352    syn match fortranLabelError	"^.\{4}\d\S"
353  endif
354  syn match fortranComment		excludenl "^[!c*].*$" contains=@fortranCommentGroup,@spell
355  syn match fortranLeftMargin		transparent "^ \{5}"
356  syn match fortranContinueMark		display "^.\{5}\S"lc=5
357else
358  syn match fortranContinueMark		display "&"
359endif
360
361syn match fortranComment	excludenl "!.*$" contains=@fortranCommentGroup,@spell
362
363"cpp is often used with Fortran
364syn match	cPreProc		"^\s*#\s*\(define\|ifdef\)\>.*"
365syn match	cPreProc		"^\s*#\s*\(elif\|if\)\>.*"
366syn match	cPreProc		"^\s*#\s*\(ifndef\|undef\)\>.*"
367syn match	cPreCondit		"^\s*#\s*\(else\|endif\)\>.*"
368syn region	cIncluded	contained start=+"[^(]+ skip=+\\\\\|\\"+ end=+"+ contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
369syn match	cIncluded		contained "<[^>]*>"
370syn match	cInclude		"^\s*#\s*include\>\s*["<]" contains=cIncluded
371
372"Synchronising limits assume that comment and continuation lines are not mixed
373if exists("fortran_fold") || exists("fortran_more_precise")
374  syn sync fromstart
375elseif (b:fortran_fixed_source == 0)
376  syn sync linecont "&" minlines=30
377else
378  syn sync minlines=30
379endif
380
381if exists("fortran_fold")
382
383  if (b:fortran_fixed_source == 1)
384    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
385    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
386    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
387    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
388    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
389    syn region fortranInterface transparent fold keepend extend start="^\s*interface\>" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*interface\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock
390    syn region fortranTypeDef transparent fold keepend extend start="^\s*type\s*\(,\s*\(public\|private\)\)\=\s*::" skip="^\([!c*]\|\s*#\).*$" excludenl end="\<end\s*type\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock
391  else
392    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
393    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
394    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="^\s*[!#].*$" excludenl end="\<end\s*\($\|function\(\s\+\z1\>\)\=\)" contains=ALLBUT,fortranProgram,fortranModule
395    syn region fortranSubroutine transparent fold keepend extend start="^\s*\(elemental \|pure \|recursive \)\=\s*subroutine\s\+\z(\a\w*\)" skip="^\s*[!#].*$" excludenl end="\<end\s*\($\|subroutine\(\s\+\z1\>\)\=\)" contains=ALLBUT,fortranProgram,fortranModule
396    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
397    syn region fortranInterface transparent fold keepend extend start="^\s*interface\>" skip="^\s*[!#].*$" excludenl end="\<end\s*interface\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock
398    syn region fortranTypeDef transparent fold keepend extend start="^\s*type\s*\(,\s*\(public\|private\)\)\=\s*::" skip="^\s*[!#].*$" excludenl end="\<end\s*type\>" contains=ALLBUT,fortranProgram,fortranModule,fortran77Loop,fortranCase,fortran90Loop,fortranIfBlock
399  endif
400
401  if exists("fortran_fold_conditionals")
402    if (b:fortran_fixed_source == 1)
403      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
404      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
405      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
406      syn region fortranCase transparent fold keepend extend start="\<select\s*case\>" skip="^\([!c*]\|\s*#\).*$" end="\<end\s*select\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
407    else
408      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
409      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
410      syn region fortranIfBlock transparent fold keepend extend start="\(\<e\(nd\|lse\)\s\+\)\@<!\<if\s*(.\+)\s*then\>" skip="^\s*[!#].*$" end="\<end\s*if\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
411      syn region fortranCase transparent fold keepend extend start="\<select\s*case\>" skip="^\s*[!#].*$" end="\<end\s*select\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
412    endif
413  endif
414
415  if exists("fortran_fold_multilinecomments")
416    if (b:fortran_fixed_source == 1)
417      syn match fortranMultiLineComments transparent fold "\(^[!c*].*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
418    else
419      syn match fortranMultiLineComments transparent fold "\(^\s*!.*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
420    endif
421  endif
422endif
423
424" Define the default highlighting.
425" The default highlighting differs for each dialect.
426" Transparent groups:
427" fortranParen, fortranLeftMargin
428" fortranProgram, fortranModule, fortranSubroutine, fortranFunction,
429" fortranBlockData
430" fortran77Loop, fortran90Loop, fortranIfBlock, fortranCase
431" fortranMultiCommentLines
432hi def link fortranKeyword 	Keyword
433hi def link fortranConstructName	Identifier
434hi def link fortranConditional	Conditional
435hi def link fortranRepeat	Repeat
436hi def link fortranTodo		Todo
437hi def link fortranContinueMark	Special
438hi def link fortranString	String
439hi def link fortranNumber	Number
440hi def link fortranOperator	Operator
441hi def link fortranBoolean	Boolean
442hi def link fortranLabelError	Error
443hi def link fortranObsolete	Todo
444hi def link fortranType		Type
445hi def link fortranStructure	Type
446hi def link fortranStorageClass	StorageClass
447hi def link fortranCall		Function
448hi def link fortranUnitHeader	fortranPreCondit
449hi def link fortranReadWrite	Keyword
450hi def link fortranIO		Keyword
451hi def link fortranIntrinsic	Function
452hi def link fortranConstant	Constant
453
454" To stop deleted & obsolescent features being highlighted as Todo items,
455" comment out the next 5 lines and uncomment the 5 lines after that
456hi def link fortranUnitHeaderOb    fortranObsolete
457hi def link fortranKeywordOb       fortranObsolete
458hi def link fortranConditionalOb   fortranObsolete
459hi def link fortranTypeOb          fortranObsolete
460hi def link fortranKeywordDel      fortranObsolete
461"hi def link fortranUnitHeaderOb    fortranUnitHeader
462"hi def link fortranKeywordOb       fortranKeyword
463"hi def link fortranConditionalOb   fortranConditional
464"hi def link fortranTypeOb          fortranType
465"hi def link fortranKeywordDel      fortranKeyword
466
467if b:fortran_dialect == "F"
468  hi! def link fortranIntrinsicR	fortranObsolete
469  hi! def link fortranUnitHeaderR	fortranObsolete
470  hi! def link fortranTypeR		fortranObsolete
471  hi! def link fortranStorageClassR	fortranObsolete
472  hi! def link fortranOperatorR 	fortranObsolete
473  hi! def link fortranInclude   	fortranObsolete
474  hi! def link fortranLabelNumber	fortranObsolete
475  hi! def link fortranTarget	        fortranObsolete
476  hi! def link fortranFloatIll	        fortranObsolete
477  hi! def link fortranIOR		fortranObsolete
478  hi! def link fortranKeywordR	        fortranObsolete
479  hi! def link fortranStringR	        fortranObsolete
480  hi! def link fortranConditionalR	fortranObsolete
481else
482  hi! def link fortranIntrinsicR	fortranIntrinsic
483  hi! def link fortranUnitHeaderR	fortranPreCondit
484  hi! def link fortranTypeR		fortranType
485  hi! def link fortranStorageClassR	fortranStorageClass
486  hi! def link fortranOperatorR	        fortranOperator
487  hi! def link fortranInclude	        Include
488  hi! def link fortranLabelNumber	Special
489  hi! def link fortranTarget	        Special
490  hi! def link fortranFloatIll	        fortranFloat
491  hi! def link fortranIOR		fortranIO
492  hi! def link fortranKeywordR	        fortranKeyword
493  hi! def link fortranStringR	        fortranString
494  hi! def link fortranConditionalR	fortranConditional
495endif
496
497" CUDA
498hi def link fortranIntrinsicCUDA        fortranIntrinsic
499hi def link fortranTypeCUDA             fortranType
500hi def link fortranStringCUDA           fortranString
501
502hi def link fortranFormatSpec	Identifier
503hi def link fortranFloat	Float
504hi def link fortranPreCondit	PreCondit
505hi def link cIncluded		fortranString
506hi def link cInclude		Include
507hi def link cPreProc		PreProc
508hi def link cPreCondit		PreCondit
509hi def link fortranParenError	Error
510hi def link fortranComment	Comment
511hi def link fortranSerialNumber	Todo
512hi def link fortranTab		Error
513
514" Uncomment the next line if you use extra intrinsics provided by vendors
515"hi def link fortranExtraIntrinsic	Function
516
517let b:current_syntax = "fortran"
518
519let &cpo = s:cpo_save
520unlet s:cpo_save
521" vim: ts=8 tw=132
522