xref: /vim-8.2.3635/runtime/syntax/fortran.vim (revision fc39ecf8)
1" Vim syntax file
2" Language:	Fortran 2008 (and earlier versions: 2003, 95, 90, and 77)
3" Version:	0.95
4" Last Change:	2015 Jan. 15
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 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 > default
23" 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  else
55    " Modern fortran still allows both free and fixed source form.
56    " Assume fixed source form unless signs of free source form
57    " are detected in the first five columns of the first s:lmax lines.
58    " Detection becomes more accurate and time-consuming if more lines
59    " are checked. Increase the limit below if you keep lots of comments at
60    " the very top of each file and you have a fast computer.
61    let s:lmax = 500
62    if ( s:lmax > line("$") )
63      let s:lmax = line("$")
64    endif
65    let b:fortran_fixed_source = 1
66    let s:ln=1
67    while s:ln <= s:lmax
68      let s:test = strpart(getline(s:ln),0,5)
69      if s:test !~ '^[Cc*]' && s:test !~ '^ *[!#]' && s:test =~ '[^ 0-9\t]' && s:test !~ '^[ 0-9]*\t'
70	let b:fortran_fixed_source = 0
71	break
72      endif
73      let s:ln = s:ln + 1
74    endwhile
75    unlet! s:lmax s:ln s:test
76  endif
77endif
78
79syn case ignore
80
81if b:fortran_fixed_source == 1
82  syn match fortranConstructName	"^\s\{6,}\zs\a\w*\ze\s*:"
83else
84  syn match fortranConstructName	"^\s*\zs\a\w*\ze\s*:"
85endif
86if exists("fortran_more_precise")
87  syn match fortranConstructName "\(\<end\s*do\s\+\)\@<=\a\w*"
88  syn match fortranConstructName "\(\<end\s*if\s\+\)\@<=\a\w*"
89  syn match fortranConstructName "\(\<end\s*select\s\+\)\@<=\a\w*"
90endif
91
92syn match fortranUnitHeader	"\<end\>"
93syn match fortranType		"\<character\>"
94syn match fortranType		"\<complex\>"
95syn match fortranType		"\<integer\>"
96syn keyword fortranType		intrinsic
97syn match fortranType		"\<implicit\>"
98syn keyword fortranStructure	dimension
99syn keyword fortranStorageClass	parameter save
100syn match fortranUnitHeader	"\<subroutine\>"
101syn keyword fortranCall		call
102syn match fortranUnitHeader	"\<function\>"
103syn match fortranUnitHeader	"\<program\>"
104syn keyword fortranKeyword	return stop
105syn keyword fortranConditional	else then
106syn match fortranConditional	"\<if\>"
107syn match fortranConditionalOb	"\<if\s*(.*)\s*\d\+\s*,\s*\d\+\s*,\s*\d\+\s*$"
108syn match fortranRepeat		"\<do\>"
109
110syn keyword fortranTodo		contained todo fixme
111
112"Catch errors caused by too many right parentheses
113syn region fortranParen transparent start="(" end=")" contains=ALLBUT,fortranParenError,@fortranCommentGroup,cIncluded,@spell
114syn match  fortranParenError   ")"
115
116syn match fortranOperator	"\.\s*n\=eqv\s*\."
117syn match fortranOperator	"\.\s*\(and\|or\|not\)\s*\."
118syn match fortranOperator	"\(+\|-\|/\|\*\)"
119syn match fortranTypeOb		"\<character\s*\*"
120
121syn match fortranBoolean	"\.\s*\(true\|false\)\s*\."
122
123syn keyword fortranReadWrite	backspace close endfile inquire open print read rewind write
124
125"If tabs are allowed then the left margin checks do not work
126if exists("fortran_have_tabs")
127  syn match fortranTab		"\t"  transparent
128else
129  syn match fortranTab		"\t"
130endif
131
132syn keyword fortranIO		access blank direct exist file fmt form formatted iostat name named nextrec number opened rec recl sequential status unformatted unit
133
134syn 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
135
136" Intrinsics provided by some vendors
137syn 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
138
139syn 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
140syn match fortranIntrinsic	"\<len\s*[(,]"me=s+3
141syn match fortranIntrinsic	"\<real\s*("me=s+4
142syn match fortranType		"\<implicit\s\+real"
143syn match fortranType		"^\s*real\>"
144syn match fortranIntrinsic	"\<logical\s*("me=s+7
145syn match fortranType		"\<implicit\s\+logical"
146syn match fortranType		"^\s*logical\>"
147
148"Numbers of various sorts
149" Integers
150syn match fortranNumber	display "\<\d\+\(_\a\w*\)\=\>"
151" floating point number, without a decimal point
152syn match fortranFloatIll	display	"\<\d\+[deq][-+]\=\d\+\(_\a\w*\)\=\>"
153" floating point number, starting with a decimal point
154syn match fortranFloatIll	display	"\.\d\+\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
155" floating point number, no digits after decimal
156syn match fortranFloatIll	display	"\<\d\+\.\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
157" floating point number, D or Q exponents
158syn match fortranFloatIll	display	"\<\d\+\.\d\+\([dq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
159" floating point number
160syn match fortranFloat	display	"\<\d\+\.\d\+\(e[-+]\=\d\+\)\=\(_\a\w*\)\=\>"
161" Numbers in formats
162syn match fortranFormatSpec	display	"\d*f\d\+\.\d\+"
163syn match fortranFormatSpec	display	"\d*e[sn]\=\d\+\.\d\+\(e\d+\>\)\="
164syn match fortranFormatSpec	display	"\d*\(d\|q\|g\)\d\+\.\d\+\(e\d+\)\="
165syn match fortranFormatSpec	display	"\d\+x\>"
166" The next match cannot be used because it would pick up identifiers as well
167" syn match fortranFormatSpec	display	"\<\(a\|i\)\d\+"
168
169" Numbers as labels
170syn match fortranLabelNumber	display	"^\d\{1,5}\s"me=e-1
171syn match fortranLabelNumber	display	"^ \d\{1,4}\s"ms=s+1,me=e-1
172syn match fortranLabelNumber	display	"^  \d\{1,3}\s"ms=s+2,me=e-1
173syn match fortranLabelNumber	display	"^   \d\d\=\s"ms=s+3,me=e-1
174syn match fortranLabelNumber	display	"^    \d\s"ms=s+4,me=e-1
175
176if exists("fortran_more_precise")
177  " Numbers as targets
178  syn match fortranTarget	display	"\(\<if\s*(.\+)\s*\)\@<=\(\d\+\s*,\s*\)\{2}\d\+\>"
179  syn match fortranTarget	display	"\(\<do\s\+\)\@<=\d\+\>"
180  syn match fortranTarget	display	"\(\<go\s*to\s*(\=\)\@<=\(\d\+\s*,\s*\)*\d\+\>"
181endif
182
183syn keyword fortranTypeR	external
184syn keyword fortranIOR		format
185syn match fortranKeywordR	"\<continue\>"
186syn match fortranKeyword	"^\s*\d\+\s\+continue\>"
187syn match fortranKeyword  	"\<go\s*to\>"
188syn match fortranKeywordDel  	"\<go\s*to\ze\s\+.*,\s*(.*$"
189syn match fortranKeywordOb  	"\<go\s*to\ze\s*(\d\+.*$"
190syn region fortranStringR	start=+'+ end=+'+ contains=fortranContinueMark,fortranLeftMargin,fortranSerialNumber
191syn keyword fortranIntrinsicR	dim lge lgt lle llt mod
192syn keyword fortranKeywordDel	assign pause
193
194syn match fortranType           "\<type\>"
195syn keyword fortranType	        none
196
197syn keyword fortranStructure	private public intent optional
198syn keyword fortranStructure	pointer target allocatable
199syn keyword fortranStorageClass	in out
200syn match fortranStorageClass	"\<kind\s*="me=s+4
201syn match fortranStorageClass	"\<len\s*="me=s+3
202
203syn match fortranUnitHeader	"\<module\>"
204syn keyword fortranUnitHeader	use only contains
205syn keyword fortranUnitHeader	result operator assignment
206syn match fortranUnitHeader	"\<interface\>"
207syn match fortranUnitHeader	"\<recursive\>"
208syn keyword fortranKeyword	allocate deallocate nullify cycle exit
209syn match fortranConditional	"\<select\>"
210syn keyword fortranConditional	case default where elsewhere
211
212syn match fortranOperator	"\(\(>\|<\)=\=\|==\|/=\|=\)"
213syn match fortranOperator	"=>"
214
215syn region fortranString	start=+"+ end=+"+	contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
216syn keyword fortranIO		pad position action delim readwrite
217syn keyword fortranIO		eor advance nml
218
219syn 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
220syn 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
221syn match fortranIntrinsic		"\<not\>\(\s*\.\)\@!"me=s+3
222syn match fortranIntrinsic	"\<kind\>\s*[(,]"me=s+4
223
224syn match  fortranUnitHeader	"\<end\s*function"
225syn match  fortranUnitHeader	"\<end\s*interface"
226syn match  fortranUnitHeader	"\<end\s*module"
227syn match  fortranUnitHeader	"\<end\s*program"
228syn match  fortranUnitHeader	"\<end\s*subroutine"
229syn match  fortranRepeat	"\<end\s*do"
230syn match  fortranConditional	"\<end\s*where"
231syn match  fortranConditional	"\<select\s*case"
232syn match  fortranConditional	"\<end\s*select"
233syn match  fortranType	"\<end\s*type"
234syn match  fortranType	"\<in\s*out"
235
236syn keyword fortranType	        procedure
237syn match  fortranType	        "\<module\ze\s\+procedure\>"
238syn keyword fortranIOR		namelist
239syn keyword fortranConditionalR	while
240syn keyword fortranIntrinsicR	achar iachar transfer
241
242syn keyword fortranInclude		include
243syn keyword fortranStorageClassR	sequence
244
245syn match   fortranConditional	"\<end\s*if"
246syn match   fortranIO		contains=fortranOperator "\<e\(nd\|rr\)\s*=\s*\d\+"
247syn match   fortranConditional	"\<else\s*if"
248
249syn keyword fortranUnitHeaderOb	entry
250syn match fortranTypeR		display "double\s\+precision"
251syn match fortranTypeR		display "double\s\+complex"
252syn match fortranUnitHeaderR	display "block\s\+data"
253syn keyword fortranStorageClassR	common equivalence data
254syn keyword fortranIntrinsicR	dble dprod
255syn match   fortranOperatorR	"\.\s*[gl][et]\s*\."
256syn match   fortranOperatorR	"\.\s*\(eq\|ne\)\s*\."
257
258syn keyword fortranRepeat		forall
259syn match fortranRepeat		"\<end\s*forall"
260syn keyword fortranIntrinsic	null cpu_time
261syn match fortranType			"\<elemental\>"
262syn match fortranType			"\<pure\>"
263if exists("fortran_more_precise")
264  syn match fortranConstructName "\(\<end\s*forall\s\+\)\@<=\a\w*\>"
265endif
266
267if b:fortran_dialect == "f08"
268  " F2003
269  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
270  " ISO_C_binding
271  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
272  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
273  syn keyword fortranIntrinsic        iso_c_binding c_loc c_funloc c_associated  c_f_pointer c_f_procpointer
274  syn keyword fortranType             c_ptr c_funptr
275  " ISO_Fortran_env
276  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
277  " IEEE_arithmetic
278  syn keyword fortranIntrinsic        ieee_arithmetic ieee_support_underflow_control ieee_get_underflow_mode ieee_set_underflow_mode
279
280  syn keyword fortranReadWrite	flush wait
281  syn keyword fortranIO 	      decimal round iomsg
282  syn keyword fortranType             asynchronous nopass non_overridable pass protected volatile abstract extends import
283  syn keyword fortranType             non_intrinsic value bind deferred generic final enumerator
284  syn match fortranType               "\<class\>"
285  syn match fortranType               "\<associate\>"
286  syn match fortranType               "\<end\s*associate"
287  syn match fortranType               "\<enum\s*,\s*bind\s*(\s*c\s*)"
288  syn match fortranType               "\<end\s*enum"
289  syn match fortranConditional	"\<select\s*type"
290  syn match fortranConditional        "\<type\s*is\>"
291  syn match fortranConditional        "\<class\s*is\>"
292  syn match fortranUnitHeader         "\<abstract\s*interface\>"
293  syn match fortranOperator           "\([\|]\)"
294
295  " F2008
296  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
297  syn keyword fortranIntrinsic        atomic_define atomic_ref execute_command_line leadz trailz storage_size merge_bits
298  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
299  syn keyword fortranIO               newunit
300  syn keyword fortranType             contiguous
301
302" CUDA fortran
303  syn match fortranTypeCUDA           "\<attributes\>"
304  syn keyword fortranTypeCUDA         host global device value
305  syn keyword fortranTypeCUDA         shared constant pinned texture
306  syn keyword fortranTypeCUDA         dim1 dim2 dim3 dim4
307  syn keyword fortranTypeCUDA         cudadeviceprop cuda_count_kind cuda_stream_kind
308  syn keyword fortranTypeCUDA         cudaEvent cudaFuncAttributes cudaArrayPtr
309  syn keyword fortranTypeCUDA         cudaSymbol cudaChannelFormatDesc cudaPitchedPtr
310  syn keyword fortranTypeCUDA         cudaExtent cudaMemcpy3DParms
311  syn keyword fortranTypeCUDA         cudaFuncCachePreferNone cudaFuncCachePreferShared
312  syn keyword fortranTypeCUDA         cudaFuncCachePreferL1 cudaLimitStackSize
313  syn keyword fortranTypeCUDA         cudaLimitPrintfSize cudaLimitMallocHeapSize
314  syn keyword fortranTypeCUDA         cudaSharedMemBankSizeDefault cudaSharedMemBankSizeFourByte cudaSharedMemBankSizeEightByte
315  syn keyword fortranTypeCUDA         cudaEventDefault cudaEventBlockingSync cudaEventDisableTiming
316  syn keyword fortranTypeCUDA         cudaMemcpyHostToDevice cudaMemcpyDeviceToHost
317  syn keyword fortranTypeCUDA         cudaMemcpyDeviceToDevice
318  syn keyword fortranTypeCUDA         cudaErrorNotReady cudaSuccess cudaErrorInvalidValue
319  syn keyword fortranTypeCUDA         c_devptr
320
321  syn match fortranStringCUDA         "blockidx%[xyz]"
322  syn match fortranStringCUDA         "blockdim%[xyz]"
323  syn match fortranStringCUDA         "griddim%[xyz]"
324  syn match fortranStringCUDA         "threadidx%[xyz]"
325
326  syn keyword fortranIntrinsicCUDA    warpsize syncthreads syncthreads_and syncthreads_count syncthreads_or threadfence threadfence_block threadfence_system gpu_time allthreads anythread ballot
327  syn keyword fortranIntrinsicCUDA    atomicadd atomicsub atomicmax atomicmin atomicand atomicor atomicxor atomicexch atomicinc atomicdec atomiccas sizeof __shfl __shfl_up __shfl_down __shfl_xor
328  syn keyword fortranIntrinsicCUDA    cudaChooseDevice cudaDeviceGetCacheConfig cudaDeviceGetLimit cudaDeviceGetSharedMemConfig cudaDeviceReset cudaDeviceSetCacheConfig cudaDeviceSetLimit cudaDeviceSetSharedMemConfig cudaDeviceSynchronize cudaGetDevice cudaGetDeviceCount cudaGetDeviceProperties cudaSetDevice cudaSetDeviceFlags cudaSetValidDevices
329  syn keyword fortranIntrinsicCUDA    cudaThreadExit cudaThreadSynchronize cudaGetLastError cudaGetErrorString cudaPeekAtLastError cudaStreamCreate cudaStreamDestroy cudaStreamQuery cudaStreamSynchronize cudaStreamWaitEvent cudaEventCreate cudaEventCreateWithFlags cudaEventDestroy cudaEventElapsedTime cudaEventQuery cudaEventRecord cudaEventSynchronize
330  syn keyword fortranIntrinsicCUDA    cudaFuncGetAttributes cudaFuncSetCacheConfig cudaFuncSetSharedMemConfig cudaSetDoubleForDevice cudaSetDoubleForHost cudaFree cudaFreeArray cudaFreeHost cudaGetSymbolAddress cudaGetSymbolSize
331  syn keyword fortranIntrinsicCUDA    cudaHostAlloc cudaHostGetDevicePointer cudaHostGetFlags cudaHostRegister cudaHostUnregister cudaMalloc cudaMallocArray cudaMallocHost cudaMallocPitch cudaMalloc3D cudaMalloc3DArray
332  syn keyword fortranIntrinsicCUDA    cudaMemcpy cudaMemcpyArraytoArray cudaMemcpyAsync cudaMemcpyFromArray cudaMemcpyFromSymbol cudaMemcpyFromSymbolAsync cudaMemcpyPeer cudaMemcpyPeerAsync cudaMemcpyToArray cudaMemcpyToSymbol cudaMemcpyToSymbolAsync cudaMemcpy2D cudaMemcpy2DArrayToArray cudaMemcpy2DAsync cudaMemcpy2DFromArray cudaMemcpy2DToArray cudaMemcpy3D cudaMemcpy3DAsync
333  syn keyword fortranIntrinsicCUDA    cudaMemGetInfo cudaMemset cudaMemset2D cudaMemset3D cudaDeviceCanAccessPeer cudaDeviceDisablePeerAccess cudaDeviceEnablePeerAccess cudaPointerGetAttributes cudaDriverGetVersion cudaRuntimeGetVersion
334
335  syn region none matchgroup=fortranType start="<<<" end=">>>" contains=ALLBUT,none
336endif
337
338syn cluster fortranCommentGroup contains=fortranTodo
339
340if (b:fortran_fixed_source == 1)
341  if !exists("fortran_have_tabs")
342    "Flag items beyond column 72
343    syn match fortranSerialNumber	excludenl "^.\{73,}$"lc=72
344    "Flag left margin errors
345    syn match fortranLabelError	"^.\{-,4}[^0-9 ]" contains=fortranTab
346    syn match fortranLabelError	"^.\{4}\d\S"
347  endif
348  syn match fortranComment		excludenl "^[!c*].*$" contains=@fortranCommentGroup,@spell
349  syn match fortranLeftMargin		transparent "^ \{5}"
350  syn match fortranContinueMark		display "^.\{5}\S"lc=5
351else
352  syn match fortranContinueMark		display "&"
353endif
354
355syn match fortranComment	excludenl "!.*$" contains=@fortranCommentGroup,@spell
356
357"cpp is often used with Fortran
358syn match	cPreProc		"^\s*#\s*\(define\|ifdef\)\>.*"
359syn match	cPreProc		"^\s*#\s*\(elif\|if\)\>.*"
360syn match	cPreProc		"^\s*#\s*\(ifndef\|undef\)\>.*"
361syn match	cPreCondit		"^\s*#\s*\(else\|endif\)\>.*"
362syn region	cIncluded	contained start=+"[^(]+ skip=+\\\\\|\\"+ end=+"+ contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
363syn match	cIncluded		contained "<[^>]*>"
364syn match	cInclude		"^\s*#\s*include\>\s*["<]" contains=cIncluded
365
366"Synchronising limits assume that comment and continuation lines are not mixed
367if exists("fortran_fold") || exists("fortran_more_precise")
368  syn sync fromstart
369elseif (b:fortran_fixed_source == 0)
370  syn sync linecont "&" minlines=30
371else
372  syn sync minlines=30
373endif
374
375if exists("fortran_fold")
376
377  if (b:fortran_fixed_source == 1)
378    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
379    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
380    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
381    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
382    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
383    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
384    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
385  else
386    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
387    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
388    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
389    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
390    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
391    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
392    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
393  endif
394
395  if exists("fortran_fold_conditionals")
396    if (b:fortran_fixed_source == 1)
397      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
398      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
399      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
400      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
401    else
402      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
403      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
404      syn region fortranIfBlock transparent fold keepend extend start="\(\<e\(nd\|lse\)\s\+\)\@<!\<if\s*(.\+)\s*then\>" skip="^\s*[!#].*$" end="\<end\s*if\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
405      syn region fortranCase transparent fold keepend extend start="\<select\s*case\>" skip="^\s*[!#].*$" end="\<end\s*select\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
406    endif
407  endif
408
409  if exists("fortran_fold_multilinecomments")
410    if (b:fortran_fixed_source == 1)
411      syn match fortranMultiLineComments transparent fold "\(^[!c*].*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
412    else
413      syn match fortranMultiLineComments transparent fold "\(^\s*!.*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
414    endif
415  endif
416endif
417
418" Define the default highlighting.
419" The default highlighting differs for each dialect.
420" Transparent groups:
421" fortranParen, fortranLeftMargin
422" fortranProgram, fortranModule, fortranSubroutine, fortranFunction,
423" fortranBlockData
424" fortran77Loop, fortran90Loop, fortranIfBlock, fortranCase
425" fortranMultiCommentLines
426hi def link fortranKeyword 	Keyword
427hi def link fortranConstructName	Identifier
428hi def link fortranConditional	Conditional
429hi def link fortranRepeat	Repeat
430hi def link fortranTodo		Todo
431hi def link fortranContinueMark	Special
432hi def link fortranString	String
433hi def link fortranNumber	Number
434hi def link fortranOperator	Operator
435hi def link fortranBoolean	Boolean
436hi def link fortranLabelError	Error
437hi def link fortranObsolete	Todo
438hi def link fortranType		Type
439hi def link fortranStructure	Type
440hi def link fortranStorageClass	StorageClass
441hi def link fortranCall		Function
442hi def link fortranUnitHeader	fortranPreCondit
443hi def link fortranReadWrite	Keyword
444hi def link fortranIO		Keyword
445hi def link fortranIntrinsic	Function
446hi def link fortranConstant	Constant
447
448" To stop deleted & obsolescent features being highlighted as Todo items,
449" comment out the next 5 lines and uncomment the 5 lines after that
450hi def link fortranUnitHeaderOb    fortranObsolete
451hi def link fortranKeywordOb       fortranObsolete
452hi def link fortranConditionalOb   fortranObsolete
453hi def link fortranTypeOb          fortranObsolete
454hi def link fortranKeywordDel      fortranObsolete
455"hi def link fortranUnitHeaderOb    fortranUnitHeader
456"hi def link fortranKeywordOb       fortranKeyword
457"hi def link fortranConditionalOb   fortranConditional
458"hi def link fortranTypeOb          fortranType
459"hi def link fortranKeywordDel      fortranKeyword
460
461if b:fortran_dialect == "F"
462  hi! def link fortranIntrinsicR	fortranObsolete
463  hi! def link fortranUnitHeaderR	fortranObsolete
464  hi! def link fortranTypeR		fortranObsolete
465  hi! def link fortranStorageClassR	fortranObsolete
466  hi! def link fortranOperatorR 	fortranObsolete
467  hi! def link fortranInclude   	fortranObsolete
468  hi! def link fortranLabelNumber	fortranObsolete
469  hi! def link fortranTarget	        fortranObsolete
470  hi! def link fortranFloatIll	        fortranObsolete
471  hi! def link fortranIOR		fortranObsolete
472  hi! def link fortranKeywordR	        fortranObsolete
473  hi! def link fortranStringR	        fortranObsolete
474  hi! def link fortranConditionalR	fortranObsolete
475else
476  hi! def link fortranIntrinsicR	fortranIntrinsic
477  hi! def link fortranUnitHeaderR	fortranPreCondit
478  hi! def link fortranTypeR		fortranType
479  hi! def link fortranStorageClassR	fortranStorageClass
480  hi! def link fortranOperatorR	        fortranOperator
481  hi! def link fortranInclude	        Include
482  hi! def link fortranLabelNumber	Special
483  hi! def link fortranTarget	        Special
484  hi! def link fortranFloatIll	        fortranFloat
485  hi! def link fortranIOR		fortranIO
486  hi! def link fortranKeywordR	        fortranKeyword
487  hi! def link fortranStringR	        fortranString
488  hi! def link fortranConditionalR	fortranConditional
489endif
490
491" CUDA
492hi def link fortranIntrinsicCUDA        fortranIntrinsic
493hi def link fortranTypeCUDA             fortranType
494hi def link fortranStringCUDA           fortranString
495
496hi def link fortranFormatSpec	Identifier
497hi def link fortranFloat	Float
498hi def link fortranPreCondit	PreCondit
499hi def link cIncluded		fortranString
500hi def link cInclude		Include
501hi def link cPreProc		PreProc
502hi def link cPreCondit		PreCondit
503hi def link fortranParenError	Error
504hi def link fortranComment	Comment
505hi def link fortranSerialNumber	Todo
506hi def link fortranTab		Error
507
508" Uncomment the next line if you use extra intrinsics provided by vendors
509"hi def link fortranExtraIntrinsic	Function
510
511let b:current_syntax = "fortran"
512
513let &cpo = s:cpo_save
514unlet s:cpo_save
515" vim: ts=8 tw=132
516