xref: /vim-8.2.3635/runtime/syntax/fortran.vim (revision cf2d8dee)
1" Vim syntax file
2" Language:	Fortran 2008 (and older: Fortran 2003, 95, 90, and 77)
3" Version:	0.97
4" Last Change:	2016 Feb. 26
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 (April 2000) was based on the fortran 77 syntax file by Mario Eusebio and
9"  Preben Guldberg. Since then, useful suggestions and contributions have been made,
10"  in chronological order, by:
11"  Andrej Panjkov, Bram Moolenaar, Thomas Olsen, Michael Sternberg, Christian Reile,
12"  Walter Dieudonn�, Alexander Wagner, Roman Bertle, Charles Rendleman,
13"  Andrew Griffiths, Joe Krahn, Hendrik Merx, Matt Thompson, and Jan Hermann.
14
15if exists("b:current_syntax")
16  finish
17endif
18
19let s:cpo_save = &cpo
20set cpo&vim
21
22" Choose fortran_dialect using the priority:
23" source file directive > buffer-local value > global value > file extension
24" first try using directive in first three lines of file
25let b:fortran_retype = getline(1)." ".getline(2)." ".getline(3)
26if b:fortran_retype =~? '\<fortran_dialect\s*=\s*F\>'
27  let b:fortran_dialect = "F"
28elseif b:fortran_retype =~? '\<fortran_dialect\s*=\s*f08\>'
29  let b:fortran_dialect = "f08"
30elseif !exists("b:fortran_dialect")
31  if exists("g:fortran_dialect") && g:fortran_dialect =~# '\<F\|f08\>'
32    " try global variable
33    let b:fortran_dialect = g:fortran_dialect
34  else         " nothing found, so use default
35    let b:fortran_dialect = "f08"
36  endif
37endif
38unlet! b:fortran_retype
39" make sure buffer-local value is not invalid
40if b:fortran_dialect !~# '\<F\|f08\>'
41  let b:fortran_dialect = "f08"
42endif
43
44" Choose between fixed and free source form if this hasn't been done yet
45if !exists("b:fortran_fixed_source")
46  if b:fortran_dialect == "F"
47    " F requires free source form
48    let b:fortran_fixed_source = 0
49  elseif exists("fortran_free_source")
50    " User guarantees free source form for all fortran files
51    let b:fortran_fixed_source = 0
52  elseif exists("fortran_fixed_source")
53    " User guarantees fixed source form for all fortran files
54    let b:fortran_fixed_source = 1
55  elseif expand("%:e") ==? "f\<90\|95\|03\|08\>"
56    " Free-form file extension defaults as in Intel ifort, gcc(gfortran), NAG, Pathscale, and Cray compilers
57    let b:fortran_fixed_source = 0
58  elseif expand("%:e") ==? "f\|f77\|for"
59    " Fixed-form file extension defaults
60    let b:fortran_fixed_source = 1
61  else
62    " Modern fortran still allows both free and fixed source form.
63    " Assume fixed source form unless signs of free source form
64    " are detected in the first five columns of the first s:lmax lines.
65    " Detection becomes more accurate and time-consuming if more lines
66    " are checked. Increase the limit below if you keep lots of comments at
67    " the very top of each file and you have a fast computer.
68    let s:lmax = 500
69    if ( s:lmax > line("$") )
70      let s:lmax = line("$")
71    endif
72    let b:fortran_fixed_source = 1
73    let s:ln=1
74    while s:ln <= s:lmax
75      let s:test = strpart(getline(s:ln),0,5)
76      if s:test !~ '^[Cc*]' && s:test !~ '^ *[!#]' && s:test =~ '[^ 0-9\t]' && s:test !~ '^[ 0-9]*\t'
77        let b:fortran_fixed_source = 0
78        break
79      endif
80      let s:ln = s:ln + 1
81    endwhile
82    unlet! s:lmax s:ln s:test
83  endif
84endif
85
86syn case ignore
87
88if b:fortran_fixed_source == 1
89  syn match fortranConstructName	"^\s\{6,}\zs\a\w*\ze\s*:"
90else
91  syn match fortranConstructName	"^\s*\zs\a\w*\ze\s*:"
92endif
93if exists("fortran_more_precise")
94  syn match fortranConstructName "\(\<end\s*do\s\+\)\@<=\a\w*"
95  syn match fortranConstructName "\(\<end\s*if\s\+\)\@<=\a\w*"
96  syn match fortranConstructName "\(\<end\s*select\s\+\)\@<=\a\w*"
97endif
98
99syn match fortranUnitHeader	"\<end\>"
100syn match fortranType		"\<character\>"
101syn match fortranType		"\<complex\>"
102syn match fortranType		"\<integer\>"
103syn keyword fortranType		intrinsic
104syn match fortranType		"\<implicit\>"
105syn keyword fortranStructure	dimension
106syn keyword fortranStorageClass	parameter save
107syn match fortranUnitHeader	"\<subroutine\>"
108syn keyword fortranCall		call
109syn match fortranUnitHeader	"\<function\>"
110syn match fortranUnitHeader	"\<program\>"
111syn keyword fortranKeyword	return stop
112syn keyword fortranConditional	else then
113syn match fortranConditional	"\<if\>"
114syn match fortranConditionalOb	"\<if\s*(.*)\s*\d\+\s*,\s*\d\+\s*,\s*\d\+\s*$"
115syn match fortranRepeat		"\<do\>"
116
117syn keyword fortranTodo		contained todo fixme
118
119"Catch errors caused by too many right parentheses
120syn region fortranParen transparent start="(" end=")" contains=ALLBUT,fortranParenError,@fortranCommentGroup,cIncluded,@spell
121syn match  fortranParenError   ")"
122
123syn match fortranOperator	"\.\s*n\=eqv\s*\."
124syn match fortranOperator	"\.\s*\(and\|or\|not\)\s*\."
125syn match fortranOperator	"\(+\|-\|/\|\*\)"
126syn match fortranTypeOb		"\<character\s*\*"
127
128syn match fortranBoolean	"\.\s*\(true\|false\)\s*\."
129
130syn keyword fortranReadWrite	backspace close endfile inquire open print read rewind write
131
132"If tabs are allowed then the left margin checks do not work
133if exists("fortran_have_tabs")
134  syn match fortranTab		"\t"  transparent
135else
136  syn match fortranTab		"\t"
137endif
138
139syn keyword fortranIO		access blank direct exist file fmt form formatted iostat name named nextrec number opened rec recl sequential status unformatted unit
140
141syn 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
142
143" Intrinsics provided by some vendors
144syn 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
145
146syn 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
147syn match fortranIntrinsic	"\<len\s*[(,]"me=s+3
148syn match fortranIntrinsic	"\<real\s*("me=s+4
149syn match fortranType		"\<implicit\s\+real"
150syn match fortranType		"^\s*real\>"
151syn match fortranIntrinsic	"\<logical\s*("me=s+7
152syn match fortranType		"\<implicit\s\+logical"
153syn match fortranType		"^\s*logical\>"
154
155"Numbers of various sorts
156" Integers
157syn match fortranNumber	display "\<\d\+\(_\a\w*\)\=\>"
158" floating point number, without a decimal point
159syn match fortranFloatIll	display	"\<\d\+[deq][-+]\=\d\+\(_\a\w*\)\=\>"
160" floating point number, starting with a decimal point
161syn match fortranFloatIll	display	"\.\d\+\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
162" floating point number, no digits after decimal
163syn match fortranFloatIll	display	"\<\d\+\.\([deq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
164" floating point number, D or Q exponents
165syn match fortranFloatIll	display	"\<\d\+\.\d\+\([dq][-+]\=\d\+\)\=\(_\a\w*\)\=\>"
166" floating point number
167syn match fortranFloat	display	"\<\d\+\.\d\+\(e[-+]\=\d\+\)\=\(_\a\w*\)\=\>"
168" Numbers in formats
169syn match fortranFormatSpec	display	"\d*f\d\+\.\d\+"
170syn match fortranFormatSpec	display	"\d*e[sn]\=\d\+\.\d\+\(e\d+\>\)\="
171syn match fortranFormatSpec	display	"\d*\(d\|q\|g\)\d\+\.\d\+\(e\d+\)\="
172syn match fortranFormatSpec	display	"\d\+x\>"
173" The next match cannot be used because it would pick up identifiers as well
174" syn match fortranFormatSpec	display	"\<\(a\|i\)\d\+"
175
176" Numbers as labels
177syn match fortranLabelNumber	display	"^\d\{1,5}\s"me=e-1
178syn match fortranLabelNumber	display	"^ \d\{1,4}\s"ms=s+1,me=e-1
179syn match fortranLabelNumber	display	"^  \d\{1,3}\s"ms=s+2,me=e-1
180syn match fortranLabelNumber	display	"^   \d\d\=\s"ms=s+3,me=e-1
181syn match fortranLabelNumber	display	"^    \d\s"ms=s+4,me=e-1
182
183if exists("fortran_more_precise")
184  " Numbers as targets
185  syn match fortranTarget	display	"\(\<if\s*(.\+)\s*\)\@<=\(\d\+\s*,\s*\)\{2}\d\+\>"
186  syn match fortranTarget	display	"\(\<do\s\+\)\@<=\d\+\>"
187  syn match fortranTarget	display	"\(\<go\s*to\s*(\=\)\@<=\(\d\+\s*,\s*\)*\d\+\>"
188endif
189
190syn keyword fortranTypeR	external
191syn keyword fortranIOR		format
192syn match fortranKeywordR	"\<continue\>"
193syn match fortranKeyword	"^\s*\d\+\s\+continue\>"
194syn match fortranKeyword  	"\<go\s*to\>"
195syn match fortranKeywordDel  	"\<go\s*to\ze\s\+.*,\s*(.*$"
196syn match fortranKeywordOb  	"\<go\s*to\ze\s*(\d\+.*$"
197syn region fortranStringR	start=+'+ end=+'+ contains=fortranContinueMark,fortranLeftMargin,fortranSerialNumber
198syn keyword fortranIntrinsicR	dim lge lgt lle llt mod
199syn keyword fortranKeywordDel	assign pause
200
201syn match fortranType           "\<type\>"
202syn keyword fortranType	        none
203
204syn keyword fortranStructure	private public intent optional
205syn keyword fortranStructure	pointer target allocatable
206syn keyword fortranStorageClass	in out
207syn match fortranStorageClass	"\<kind\s*="me=s+4
208syn match fortranStorageClass	"\<len\s*="me=s+3
209
210syn match fortranUnitHeader	"\<module\>"
211syn keyword fortranUnitHeader	use only contains
212syn keyword fortranUnitHeader	result operator assignment
213syn match fortranUnitHeader	"\<interface\>"
214syn match fortranUnitHeader	"\<recursive\>"
215syn keyword fortranKeyword	allocate deallocate nullify cycle exit
216syn match fortranConditional	"\<select\>"
217syn keyword fortranConditional	case default where elsewhere
218
219syn match fortranOperator	"\(\(>\|<\)=\=\|==\|/=\|=\)"
220syn match fortranOperator	"=>"
221
222syn region fortranString	start=+"+ end=+"+	contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
223syn keyword fortranIO		pad position action delim readwrite
224syn keyword fortranIO		eor advance nml
225
226syn 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
227syn 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
228syn match fortranIntrinsic		"\<not\>\(\s*\.\)\@!"me=s+3
229syn match fortranIntrinsic	"\<kind\>\s*[(,]"me=s+4
230
231syn match  fortranUnitHeader	"\<end\s*function"
232syn match  fortranUnitHeader	"\<end\s*interface"
233syn match  fortranUnitHeader	"\<end\s*module"
234syn match  fortranUnitHeader	"\<end\s*program"
235syn match  fortranUnitHeader	"\<end\s*subroutine"
236syn match  fortranRepeat	"\<end\s*do"
237syn match  fortranConditional	"\<end\s*where"
238syn match  fortranConditional	"\<select\s*case"
239syn match  fortranConditional	"\<end\s*select"
240syn match  fortranType	"\<end\s*type"
241syn match  fortranType	"\<in\s*out"
242
243syn keyword fortranType	        procedure
244syn match  fortranType	        "\<module\ze\s\+procedure\>"
245syn keyword fortranIOR		namelist
246syn keyword fortranConditionalR	while
247syn keyword fortranIntrinsicR	achar iachar transfer
248
249syn keyword fortranInclude		include
250syn keyword fortranStorageClassR	sequence
251
252syn match   fortranConditional	"\<end\s*if"
253syn match   fortranIO		contains=fortranOperator "\<e\(nd\|rr\)\s*=\s*\d\+"
254syn match   fortranConditional	"\<else\s*if"
255
256syn keyword fortranUnitHeaderOb	entry
257syn match fortranTypeR		display "double\s\+precision"
258syn match fortranTypeR		display "double\s\+complex"
259syn match fortranUnitHeaderR	display "block\s\+data"
260syn keyword fortranStorageClassR	common equivalence data
261syn keyword fortranIntrinsicR	dble dprod
262syn match   fortranOperatorR	"\.\s*[gl][et]\s*\."
263syn match   fortranOperatorR	"\.\s*\(eq\|ne\)\s*\."
264
265syn keyword fortranRepeat		forall
266syn match fortranRepeat		"\<end\s*forall"
267syn keyword fortranIntrinsic	null cpu_time
268syn match fortranType			"\<elemental\>"
269syn match fortranType			"\<pure\>"
270if exists("fortran_more_precise")
271  syn match fortranConstructName "\(\<end\s*forall\s\+\)\@<=\a\w*\>"
272endif
273
274if b:fortran_dialect == "f08"
275  " F2003
276  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
277  " ISO_C_binding
278  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
279  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
280  syn keyword fortranIntrinsic        iso_c_binding c_loc c_funloc c_associated  c_f_pointer c_f_procpointer
281  syn keyword fortranType             c_ptr c_funptr
282  " ISO_Fortran_env
283  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
284  " IEEE_arithmetic
285  syn keyword fortranIntrinsic        ieee_arithmetic ieee_support_underflow_control ieee_get_underflow_mode ieee_set_underflow_mode
286
287  syn keyword fortranReadWrite	flush wait
288  syn keyword fortranIO 	      decimal round iomsg
289  syn keyword fortranType             asynchronous nopass non_overridable pass protected volatile abstract extends import
290  syn keyword fortranType             non_intrinsic value bind deferred generic final enumerator
291  syn match fortranType               "\<class\>"
292  syn match fortranType               "\<associate\>"
293  syn match fortranType               "\<end\s*associate"
294  syn match fortranType               "\<enum\s*,\s*bind\s*(\s*c\s*)"
295  syn match fortranType               "\<end\s*enum"
296  syn match fortranConditional	"\<select\s*type"
297  syn match fortranConditional        "\<type\s*is\>"
298  syn match fortranConditional        "\<class\s*is\>"
299  syn match fortranUnitHeader         "\<abstract\s*interface\>"
300  syn match fortranOperator           "\([\|]\)"
301
302  " F2008
303  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
304  syn keyword fortranIntrinsic        atomic_define atomic_ref execute_command_line leadz trailz storage_size merge_bits
305  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
306  syn keyword fortranIO               newunit
307  syn keyword fortranType             contiguous
308
309" CUDA fortran
310  syn match fortranTypeCUDA           "\<attributes\>"
311  syn keyword fortranTypeCUDA         host global device value
312  syn keyword fortranTypeCUDA         shared constant pinned texture
313  syn keyword fortranTypeCUDA         dim1 dim2 dim3 dim4
314  syn keyword fortranTypeCUDA         cudadeviceprop cuda_count_kind cuda_stream_kind
315  syn keyword fortranTypeCUDA         cudaEvent cudaFuncAttributes cudaArrayPtr
316  syn keyword fortranTypeCUDA         cudaSymbol cudaChannelFormatDesc cudaPitchedPtr
317  syn keyword fortranTypeCUDA         cudaExtent cudaMemcpy3DParms
318  syn keyword fortranTypeCUDA         cudaFuncCachePreferNone cudaFuncCachePreferShared
319  syn keyword fortranTypeCUDA         cudaFuncCachePreferL1 cudaLimitStackSize
320  syn keyword fortranTypeCUDA         cudaLimitPrintfSize cudaLimitMallocHeapSize
321  syn keyword fortranTypeCUDA         cudaSharedMemBankSizeDefault cudaSharedMemBankSizeFourByte cudaSharedMemBankSizeEightByte
322  syn keyword fortranTypeCUDA         cudaEventDefault cudaEventBlockingSync cudaEventDisableTiming
323  syn keyword fortranTypeCUDA         cudaMemcpyHostToDevice cudaMemcpyDeviceToHost
324  syn keyword fortranTypeCUDA         cudaMemcpyDeviceToDevice
325  syn keyword fortranTypeCUDA         cudaErrorNotReady cudaSuccess cudaErrorInvalidValue
326  syn keyword fortranTypeCUDA         c_devptr
327
328  syn match fortranStringCUDA         "blockidx%[xyz]"
329  syn match fortranStringCUDA         "blockdim%[xyz]"
330  syn match fortranStringCUDA         "griddim%[xyz]"
331  syn match fortranStringCUDA         "threadidx%[xyz]"
332
333  syn keyword fortranIntrinsicCUDA    warpsize syncthreads syncthreads_and syncthreads_count syncthreads_or threadfence threadfence_block threadfence_system gpu_time allthreads anythread ballot
334  syn keyword fortranIntrinsicCUDA    atomicadd atomicsub atomicmax atomicmin atomicand atomicor atomicxor atomicexch atomicinc atomicdec atomiccas sizeof __shfl __shfl_up __shfl_down __shfl_xor
335  syn keyword fortranIntrinsicCUDA    cudaChooseDevice cudaDeviceGetCacheConfig cudaDeviceGetLimit cudaDeviceGetSharedMemConfig cudaDeviceReset cudaDeviceSetCacheConfig cudaDeviceSetLimit cudaDeviceSetSharedMemConfig cudaDeviceSynchronize cudaGetDevice cudaGetDeviceCount cudaGetDeviceProperties cudaSetDevice cudaSetDeviceFlags cudaSetValidDevices
336  syn keyword fortranIntrinsicCUDA    cudaThreadExit cudaThreadSynchronize cudaGetLastError cudaGetErrorString cudaPeekAtLastError cudaStreamCreate cudaStreamDestroy cudaStreamQuery cudaStreamSynchronize cudaStreamWaitEvent cudaEventCreate cudaEventCreateWithFlags cudaEventDestroy cudaEventElapsedTime cudaEventQuery cudaEventRecord cudaEventSynchronize
337  syn keyword fortranIntrinsicCUDA    cudaFuncGetAttributes cudaFuncSetCacheConfig cudaFuncSetSharedMemConfig cudaSetDoubleForDevice cudaSetDoubleForHost cudaFree cudaFreeArray cudaFreeHost cudaGetSymbolAddress cudaGetSymbolSize
338  syn keyword fortranIntrinsicCUDA    cudaHostAlloc cudaHostGetDevicePointer cudaHostGetFlags cudaHostRegister cudaHostUnregister cudaMalloc cudaMallocArray cudaMallocHost cudaMallocPitch cudaMalloc3D cudaMalloc3DArray
339  syn keyword fortranIntrinsicCUDA    cudaMemcpy cudaMemcpyArraytoArray cudaMemcpyAsync cudaMemcpyFromArray cudaMemcpyFromSymbol cudaMemcpyFromSymbolAsync cudaMemcpyPeer cudaMemcpyPeerAsync cudaMemcpyToArray cudaMemcpyToSymbol cudaMemcpyToSymbolAsync cudaMemcpy2D cudaMemcpy2DArrayToArray cudaMemcpy2DAsync cudaMemcpy2DFromArray cudaMemcpy2DToArray cudaMemcpy3D cudaMemcpy3DAsync
340  syn keyword fortranIntrinsicCUDA    cudaMemGetInfo cudaMemset cudaMemset2D cudaMemset3D cudaDeviceCanAccessPeer cudaDeviceDisablePeerAccess cudaDeviceEnablePeerAccess cudaPointerGetAttributes cudaDriverGetVersion cudaRuntimeGetVersion
341
342  syn region none matchgroup=fortranType start="<<<" end=">>>" contains=ALLBUT,none
343endif
344
345syn cluster fortranCommentGroup contains=fortranTodo
346
347if (b:fortran_fixed_source == 1)
348  if !exists("fortran_have_tabs")
349    "Flag items beyond column 72
350    syn match fortranSerialNumber	excludenl "^.\{73,}$"lc=72
351    "Flag left margin errors
352    syn match fortranLabelError	"^.\{-,4}[^0-9 ]" contains=fortranTab
353    syn match fortranLabelError	"^.\{4}\d\S"
354  endif
355  syn match fortranComment		excludenl "^[!c*].*$" contains=@fortranCommentGroup,@spell
356  syn match fortranLeftMargin		transparent "^ \{5}"
357  syn match fortranContinueMark		display "^.\{5}\S"lc=5
358else
359  syn match fortranContinueMark		display "&"
360endif
361
362syn match fortranComment	excludenl "!.*$" contains=@fortranCommentGroup,@spell
363
364"cpp is often used with Fortran
365syn match	cPreProc		"^\s*#\s*\(define\|ifdef\)\>.*"
366syn match	cPreProc		"^\s*#\s*\(elif\|if\)\>.*"
367syn match	cPreProc		"^\s*#\s*\(ifndef\|undef\)\>.*"
368syn match	cPreCondit		"^\s*#\s*\(else\|endif\)\>.*"
369syn region	cIncluded	contained start=+"[^(]+ skip=+\\\\\|\\"+ end=+"+ contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
370syn match	cIncluded		contained "<[^>]*>"
371syn match	cInclude		"^\s*#\s*include\>\s*["<]" contains=cIncluded
372
373"Synchronising limits assume that comment and continuation lines are not mixed
374if exists("fortran_fold") || exists("fortran_more_precise")
375  syn sync fromstart
376elseif (b:fortran_fixed_source == 0)
377  syn sync linecont "&" minlines=30
378else
379  syn sync minlines=30
380endif
381
382if exists("fortran_fold")
383
384  if (b:fortran_fixed_source == 1)
385    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
386    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
387    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
388    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
389    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
390    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
391    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
392  else
393    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
394    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
395    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
396    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
397    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
398    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
399    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
400  endif
401
402  if exists("fortran_fold_conditionals")
403    if (b:fortran_fixed_source == 1)
404      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
405      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
406      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
407      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
408    else
409      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
410      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
411      syn region fortranIfBlock transparent fold keepend extend start="\(\<e\(nd\|lse\)\s\+\)\@<!\<if\s*(\(.\|&\s*\n\)\+)\(\s\|&\s*\n\)*then\>" skip="^\s*[!#].*$" end="\<end\s*if\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
412      syn region fortranCase transparent fold keepend extend start="\<select\s*case\>" skip="^\s*[!#].*$" end="\<end\s*select\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
413    endif
414  endif
415
416  if exists("fortran_fold_multilinecomments")
417    if (b:fortran_fixed_source == 1)
418      syn match fortranMultiLineComments transparent fold "\(^[!c*].*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
419    else
420      syn match fortranMultiLineComments transparent fold "\(^\s*!.*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
421    endif
422  endif
423endif
424
425" Define the default highlighting.
426" The default highlighting differs for each dialect.
427" Transparent groups:
428" fortranParen, fortranLeftMargin
429" fortranProgram, fortranModule, fortranSubroutine, fortranFunction,
430" fortranBlockData
431" fortran77Loop, fortran90Loop, fortranIfBlock, fortranCase
432" fortranMultiCommentLines
433hi def link fortranKeyword 	Keyword
434hi def link fortranConstructName	Identifier
435hi def link fortranConditional	Conditional
436hi def link fortranRepeat	Repeat
437hi def link fortranTodo		Todo
438hi def link fortranContinueMark	Special
439hi def link fortranString	String
440hi def link fortranNumber	Number
441hi def link fortranOperator	Operator
442hi def link fortranBoolean	Boolean
443hi def link fortranLabelError	Error
444hi def link fortranObsolete	Todo
445hi def link fortranType		Type
446hi def link fortranStructure	Type
447hi def link fortranStorageClass	StorageClass
448hi def link fortranCall		Function
449hi def link fortranUnitHeader	fortranPreCondit
450hi def link fortranReadWrite	Keyword
451hi def link fortranIO		Keyword
452hi def link fortranIntrinsic	Function
453hi def link fortranConstant	Constant
454
455" To stop deleted & obsolescent features being highlighted as Todo items,
456" comment out the next 5 lines and uncomment the 5 lines after that
457hi def link fortranUnitHeaderOb    fortranObsolete
458hi def link fortranKeywordOb       fortranObsolete
459hi def link fortranConditionalOb   fortranObsolete
460hi def link fortranTypeOb          fortranObsolete
461hi def link fortranKeywordDel      fortranObsolete
462"hi def link fortranUnitHeaderOb    fortranUnitHeader
463"hi def link fortranKeywordOb       fortranKeyword
464"hi def link fortranConditionalOb   fortranConditional
465"hi def link fortranTypeOb          fortranType
466"hi def link fortranKeywordDel      fortranKeyword
467
468if b:fortran_dialect == "F"
469  hi! def link fortranIntrinsicR	fortranObsolete
470  hi! def link fortranUnitHeaderR	fortranObsolete
471  hi! def link fortranTypeR		fortranObsolete
472  hi! def link fortranStorageClassR	fortranObsolete
473  hi! def link fortranOperatorR 	fortranObsolete
474  hi! def link fortranInclude   	fortranObsolete
475  hi! def link fortranLabelNumber	fortranObsolete
476  hi! def link fortranTarget	        fortranObsolete
477  hi! def link fortranFloatIll	        fortranObsolete
478  hi! def link fortranIOR		fortranObsolete
479  hi! def link fortranKeywordR	        fortranObsolete
480  hi! def link fortranStringR	        fortranObsolete
481  hi! def link fortranConditionalR	fortranObsolete
482else
483  hi! def link fortranIntrinsicR	fortranIntrinsic
484  hi! def link fortranUnitHeaderR	fortranPreCondit
485  hi! def link fortranTypeR		fortranType
486  hi! def link fortranStorageClassR	fortranStorageClass
487  hi! def link fortranOperatorR	        fortranOperator
488  hi! def link fortranInclude	        Include
489  hi! def link fortranLabelNumber	Special
490  hi! def link fortranTarget	        Special
491  hi! def link fortranFloatIll	        fortranFloat
492  hi! def link fortranIOR		fortranIO
493  hi! def link fortranKeywordR	        fortranKeyword
494  hi! def link fortranStringR	        fortranString
495  hi! def link fortranConditionalR	fortranConditional
496endif
497
498" CUDA
499hi def link fortranIntrinsicCUDA        fortranIntrinsic
500hi def link fortranTypeCUDA             fortranType
501hi def link fortranStringCUDA           fortranString
502
503hi def link fortranFormatSpec	Identifier
504hi def link fortranFloat	Float
505hi def link fortranPreCondit	PreCondit
506hi def link cIncluded		fortranString
507hi def link cInclude		Include
508hi def link cPreProc		PreProc
509hi def link cPreCondit		PreCondit
510hi def link fortranParenError	Error
511hi def link fortranComment	Comment
512hi def link fortranSerialNumber	Todo
513hi def link fortranTab		Error
514
515" Uncomment the next line if you use extra intrinsics provided by vendors
516"hi def link fortranExtraIntrinsic	Function
517
518let b:current_syntax = "fortran"
519
520let &cpo = s:cpo_save
521unlet s:cpo_save
522" vim: ts=8 tw=132
523