xref: /vim-8.2.3635/runtime/syntax/fortran.vim (revision dee2e315)
1" Vim syntax file
2" Language:	Fortran 2008 (and earlier versions: 2003, 95, 90, and 77)
3" Version:	0.94
4" Last Change:	2012 June 18
5" Maintainer:	Ajit J. Thakkar (ajit AT unb.ca); <http://www.unb.ca/chem/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, and Hendrik Merx.
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
301endif
302
303syn cluster fortranCommentGroup contains=fortranTodo
304
305if (b:fortran_fixed_source == 1)
306  if !exists("fortran_have_tabs")
307    "Flag items beyond column 72
308    syn match fortranSerialNumber	excludenl "^.\{73,}$"lc=72
309    "Flag left margin errors
310    syn match fortranLabelError	"^.\{-,4}[^0-9 ]" contains=fortranTab
311    syn match fortranLabelError	"^.\{4}\d\S"
312  endif
313  syn match fortranComment		excludenl "^[!c*].*$" contains=@fortranCommentGroup,@spell
314  syn match fortranLeftMargin		transparent "^ \{5}"
315  syn match fortranContinueMark		display "^.\{5}\S"lc=5
316else
317  syn match fortranContinueMark		display "&"
318endif
319
320syn match fortranComment	excludenl "!.*$" contains=@fortranCommentGroup,@spell
321
322"cpp is often used with Fortran
323syn match	cPreProc		"^\s*#\s*\(define\|ifdef\)\>.*"
324syn match	cPreProc		"^\s*#\s*\(elif\|if\)\>.*"
325syn match	cPreProc		"^\s*#\s*\(ifndef\|undef\)\>.*"
326syn match	cPreCondit		"^\s*#\s*\(else\|endif\)\>.*"
327syn region	cIncluded	contained start=+"[^(]+ skip=+\\\\\|\\"+ end=+"+ contains=fortranLeftMargin,fortranContinueMark,fortranSerialNumber
328syn match	cIncluded		contained "<[^>]*>"
329syn match	cInclude		"^\s*#\s*include\>\s*["<]" contains=cIncluded
330
331"Synchronising limits assume that comment and continuation lines are not mixed
332if exists("fortran_fold") || exists("fortran_more_precise")
333  syn sync fromstart
334elseif (b:fortran_fixed_source == 0)
335  syn sync linecont "&" minlines=30
336else
337  syn sync minlines=30
338endif
339
340if exists("fortran_fold")
341
342  if (b:fortran_fixed_source == 1)
343    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
344    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
345    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
346    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
347    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
348    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
349    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
350  else
351    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
352    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
353    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
354    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
355    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
356    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
357    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
358  endif
359
360  if exists("fortran_fold_conditionals")
361    if (b:fortran_fixed_source == 1)
362      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
363      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
364      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
365      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
366    else
367      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
368      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
369      syn region fortranIfBlock transparent fold keepend extend start="\(\<e\(nd\|lse\)\s\+\)\@<!\<if\s*(.\+)\s*then\>" skip="^\s*[!#].*$" end="\<end\s*if\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
370      syn region fortranCase transparent fold keepend extend start="\<select\s*case\>" skip="^\s*[!#].*$" end="\<end\s*select\>" contains=ALLBUT,fortranUnitHeader,fortranStructure,fortranStorageClass,fortranType,fortranProgram,fortranModule,fortranSubroutine,fortranFunction,fortranBlockData
371    endif
372  endif
373
374  if exists("fortran_fold_multilinecomments")
375    if (b:fortran_fixed_source == 1)
376      syn match fortranMultiLineComments transparent fold "\(^[!c*].*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
377    else
378      syn match fortranMultiLineComments transparent fold "\(^\s*!.*\(\n\|\%$\)\)\{4,}" contains=ALLBUT,fortranMultiCommentLines
379    endif
380  endif
381endif
382
383" Define the default highlighting.
384" The default highlighting differs for each dialect.
385" Transparent groups:
386" fortranParen, fortranLeftMargin
387" fortranProgram, fortranModule, fortranSubroutine, fortranFunction,
388" fortranBlockData
389" fortran77Loop, fortran90Loop, fortranIfBlock, fortranCase
390" fortranMultiCommentLines
391hi def link fortranKeyword 	Keyword
392hi def link fortranConstructName	Identifier
393hi def link fortranConditional	Conditional
394hi def link fortranRepeat	Repeat
395hi def link fortranTodo		Todo
396hi def link fortranContinueMark	Special
397hi def link fortranString	String
398hi def link fortranNumber	Number
399hi def link fortranOperator	Operator
400hi def link fortranBoolean	Boolean
401hi def link fortranLabelError	Error
402hi def link fortranObsolete	Todo
403hi def link fortranType		Type
404hi def link fortranStructure	Type
405hi def link fortranStorageClass	StorageClass
406hi def link fortranCall		Function
407hi def link fortranUnitHeader	fortranPreCondit
408hi def link fortranReadWrite	Keyword
409hi def link fortranIO		Keyword
410hi def link fortranIntrinsic	Function
411hi def link fortranConstant	Constant
412
413" To stop deleted & obsolescent features being highlighted as Todo items,
414" comment out the next 5 lines and uncomment the 5 lines after that
415hi def link fortranUnitHeaderOb    fortranObsolete
416hi def link fortranKeywordOb       fortranObsolete
417hi def link fortranConditionalOb   fortranObsolete
418hi def link fortranTypeOb          fortranObsolete
419hi def link fortranKeywordDel      fortranObsolete
420"hi def link fortranUnitHeaderOb    fortranUnitHeader
421"hi def link fortranKeywordOb       fortranKeyword
422"hi def link fortranConditionalOb   fortranConditional
423"hi def link fortranTypeOb          fortranType
424"hi def link fortranKeywordDel      fortranKeyword
425
426if b:fortran_dialect == "F"
427  hi! def link fortranIntrinsicR	fortranObsolete
428  hi! def link fortranUnitHeaderR	fortranObsolete
429  hi! def link fortranTypeR		fortranObsolete
430  hi! def link fortranStorageClassR	fortranObsolete
431  hi! def link fortranOperatorR 	fortranObsolete
432  hi! def link fortranInclude   	fortranObsolete
433  hi! def link fortranLabelNumber	fortranObsolete
434  hi! def link fortranTarget	        fortranObsolete
435  hi! def link fortranFloatIll	        fortranObsolete
436  hi! def link fortranIOR		fortranObsolete
437  hi! def link fortranKeywordR	        fortranObsolete
438  hi! def link fortranStringR	        fortranObsolete
439  hi! def link fortranConditionalR	fortranObsolete
440else
441  hi! def link fortranIntrinsicR	fortranIntrinsic
442  hi! def link fortranUnitHeaderR	fortranPreCondit
443  hi! def link fortranTypeR		fortranType
444  hi! def link fortranStorageClassR	fortranStorageClass
445  hi! def link fortranOperatorR	        fortranOperator
446  hi! def link fortranInclude	        Include
447  hi! def link fortranLabelNumber	Special
448  hi! def link fortranTarget	        Special
449  hi! def link fortranFloatIll	        fortranFloat
450  hi! def link fortranIOR		fortranIO
451  hi! def link fortranKeywordR	        fortranKeyword
452  hi! def link fortranStringR	        fortranString
453  hi! def link fortranConditionalR	fortranConditional
454endif
455
456hi def link fortranFormatSpec	Identifier
457hi def link fortranFloat	Float
458hi def link fortranPreCondit	PreCondit
459hi def link cIncluded		fortranString
460hi def link cInclude		Include
461hi def link cPreProc		PreProc
462hi def link cPreCondit		PreCondit
463hi def link fortranParenError	Error
464hi def link fortranComment	Comment
465hi def link fortranSerialNumber	Todo
466hi def link fortranTab		Error
467
468" Uncomment the next line if you use extra intrinsics provided by vendors
469"hi def link fortranExtraIntrinsic	Function
470
471let b:current_syntax = "fortran"
472
473let &cpo = s:cpo_save
474unlet s:cpo_save
475" vim: ts=8 tw=132
476