Mercurial > vim
annotate runtime/indent/fortran.vim @ 2908:fd09a9c8468e
Updated runtime files.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sun, 19 Jun 2011 05:09:16 +0200 |
| parents | 878562053ba3 |
| children | 91e53bcb7946 |
| rev | line source |
|---|---|
| 7 | 1 " Vim indent file |
| 2 " Language: Fortran95 (and Fortran90, Fortran77, F and elf90) | |
| 2908 | 3 " Version: 0.39 |
| 4 " Last Change: 2011 May 30 | |
| 7 | 5 " Maintainer: Ajit J. Thakkar <ajit@unb.ca>; <http://www.unb.ca/chem/ajit/> |
| 6 " Usage: Do :help fortran-indent from Vim | |
| 7 | |
| 8 " Only load this indent file when no other was loaded. | |
| 9 if exists("b:did_indent") | |
| 10 finish | |
| 11 endif | |
| 12 let b:did_indent = 1 | |
| 13 | |
| 14 setlocal indentkeys+==~end,=~case,=~if,=~else,=~do,=~where,=~elsewhere,=~select | |
| 2908 | 15 setlocal indentkeys+==~endif,=~enddo,=~endwhere,=~endselect,=~elseif |
| 16 setlocal indentkeys+==~type,=~interface,=~forall,=~associate,=~block,=~enum | |
| 17 setlocal indentkeys+==~endforall,=~endassociate,=~endblock,=~endenum | |
| 18 if exists("b:fortran_indent_more") || exists("g:fortran_indent_more") | |
| 19 setlocal indentkeys+==~function,=~subroutine,=~module,=~contains,=~program | |
| 20 setlocal indentkeys+==~endfunction,=~endsubroutine,=~endmodule | |
| 21 setlocal indentkeys+==~endprogram | |
| 22 endif | |
| 7 | 23 |
| 24 " Determine whether this is a fixed or free format source file | |
| 25 " if this hasn't been done yet | |
| 26 if !exists("b:fortran_fixed_source") | |
| 27 if exists("fortran_free_source") | |
| 28 " User guarantees free source form | |
| 29 let b:fortran_fixed_source = 0 | |
| 30 elseif exists("fortran_fixed_source") | |
| 31 " User guarantees fixed source form | |
| 32 let b:fortran_fixed_source = 1 | |
| 33 else | |
| 34 " f90 and f95 allow both fixed and free source form | |
| 35 " assume fixed source form unless signs of free source form | |
| 819 | 36 " are detected in the first five columns of the first 250 lines |
| 7 | 37 " Detection becomes more accurate and time-consuming if more lines |
| 38 " are checked. Increase the limit below if you keep lots of comments at | |
| 39 " the very top of each file and you have a fast computer | |
|
2377
878562053ba3
Update Fortran indent and syntax file. (Ajit Thakkar)
Bram Moolenaar <bram@vim.org>
parents:
1125
diff
changeset
|
40 let s:lmax = 500 |
| 7 | 41 if ( s:lmax > line("$") ) |
| 42 let s:lmax = line("$") | |
| 43 endif | |
| 44 let b:fortran_fixed_source = 1 | |
| 45 let s:ln=1 | |
| 46 while s:ln <= s:lmax | |
| 47 let s:test = strpart(getline(s:ln),0,5) | |
|
2377
878562053ba3
Update Fortran indent and syntax file. (Ajit Thakkar)
Bram Moolenaar <bram@vim.org>
parents:
1125
diff
changeset
|
48 if s:test !~ '^[Cc*]' && s:test !~ '^ *[!#]' && s:test =~ '[^ 0-9\t]' && s:test !~ '^[ 0-9]*\t' |
| 7 | 49 let b:fortran_fixed_source = 0 |
| 50 break | |
| 51 endif | |
| 52 let s:ln = s:ln + 1 | |
| 53 endwhile | |
| 54 endif | |
| 55 endif | |
| 56 | |
| 57 " Define the appropriate indent function but only once | |
| 58 if (b:fortran_fixed_source == 1) | |
| 59 setlocal indentexpr=FortranGetFixedIndent() | |
| 60 if exists("*FortranGetFixedIndent") | |
| 61 finish | |
| 62 endif | |
| 63 else | |
| 64 setlocal indentexpr=FortranGetFreeIndent() | |
| 65 if exists("*FortranGetFreeIndent") | |
| 66 finish | |
| 67 endif | |
| 68 endif | |
| 69 | |
| 819 | 70 let s:cposet=&cpoptions |
| 71 set cpoptions-=C | |
| 72 | |
| 7 | 73 function FortranGetIndent(lnum) |
| 74 let ind = indent(a:lnum) | |
| 75 let prevline=getline(a:lnum) | |
| 76 " Strip tail comment | |
| 77 let prevstat=substitute(prevline, '!.*$', '', '') | |
| 2908 | 78 let prev2line=getline(a:lnum-1) |
| 79 let prev2stat=substitute(prev2line, '!.*$', '', '') | |
| 7 | 80 |
| 81 "Indent do loops only if they are all guaranteed to be of do/end do type | |
| 1125 | 82 if exists("b:fortran_do_enddo") || exists("g:fortran_do_enddo") |
| 7 | 83 if prevstat =~? '^\s*\(\d\+\s\)\=\s*\(\a\w*\s*:\)\=\s*do\>' |
| 84 let ind = ind + &sw | |
| 85 endif | |
| 86 if getline(v:lnum) =~? '^\s*\(\d\+\s\)\=\s*end\s*do\>' | |
| 87 let ind = ind - &sw | |
| 88 endif | |
| 89 endif | |
| 90 | |
| 2908 | 91 "Add a shiftwidth to statements following if, else, else if, case, |
| 92 "where, else where, forall, type, interface and associate statements | |
| 93 if prevstat =~? '^\s*\(case\|else\|else\s*if\|else\s*where\)\>' | |
| 94 \ ||prevstat=~? '^\s*\(type\|interface\|associate\|enum\)\>' | |
| 95 \ ||prevstat=~?'^\s*\(\d\+\s\)\=\s*\(\a\w*\s*:\)\=\s*\(forall\|where\|block\)\>' | |
| 96 \ ||prevstat=~? '^\s*\(\d\+\s\)\=\s*\(\a\w*\s*:\)\=\s*if\>' | |
| 7 | 97 let ind = ind + &sw |
| 98 " Remove unwanted indent after logical and arithmetic ifs | |
| 99 if prevstat =~? '\<if\>' && prevstat !~? '\<then\>' | |
| 100 let ind = ind - &sw | |
| 101 endif | |
| 840 | 102 " Remove unwanted indent after type( statements |
| 2908 | 103 if prevstat =~? '^\s*type\s*(' |
| 840 | 104 let ind = ind - &sw |
| 105 endif | |
| 7 | 106 endif |
| 107 | |
| 2908 | 108 "Indent program units unless instructed otherwise |
| 109 if !exists("b:fortran_indent_less") && !exists("g:fortran_indent_less") | |
| 110 let prefix='\(\(pure\|impure\|elemental\|recursive\)\s\+\)\{,2}' | |
| 111 let type='\(\(integer\|real\|double\s\+precision\|complex\|logical' | |
| 112 \.'\|character\|type\|class\)\s*\S*\s\+\)\=' | |
| 113 if prevstat =~? '^\s*\(module\|contains\|program\)\>' | |
| 114 \ ||prevstat =~? '^\s*'.prefix.'subroutine\>' | |
| 115 \ ||prevstat =~? '^\s*'.prefix.type.'function\>' | |
| 116 \ ||prevstat =~? '^\s*'.type.prefix.'function\>' | |
| 117 let ind = ind + &sw | |
| 118 endif | |
| 119 if getline(v:lnum) =~? '^\s*contains\>' | |
| 120 \ ||getline(v:lnum)=~? '^\s*end\s*' | |
| 121 \ .'\(function\|subroutine\|module\|program\)\>' | |
| 122 let ind = ind - &sw | |
| 123 endif | |
| 124 endif | |
| 125 | |
| 126 "Subtract a shiftwidth from else, else if, elsewhere, case, end if, | |
| 127 " end where, end select, end forall, end interface, end associate, | |
| 128 " end enum, and end type statements | |
| 7 | 129 if getline(v:lnum) =~? '^\s*\(\d\+\s\)\=\s*' |
| 2908 | 130 \. '\(else\|else\s*if\|else\s*where\|case\|' |
| 131 \. 'end\s*\(if\|where\|select\|interface\|' | |
| 132 \. 'type\|forall\|associate\|enum\)\)\>' | |
| 7 | 133 let ind = ind - &sw |
| 134 " Fix indent for case statement immediately after select | |
| 2908 | 135 if prevstat =~? '\<select\s\+\(case\|type\)\>' |
| 7 | 136 let ind = ind + &sw |
| 137 endif | |
| 138 endif | |
| 139 | |
| 2908 | 140 "First continuation line |
| 141 if prevstat =~ '&\s*$' && prev2stat !~ '&\s*$' | |
| 142 let ind = ind + &sw | |
| 143 endif | |
| 144 "Line after last continuation line | |
| 145 if prevstat !~ '&\s*$' && prev2stat =~ '&\s*$' | |
| 146 let ind = ind - &sw | |
| 147 endif | |
| 148 | |
| 7 | 149 return ind |
| 150 endfunction | |
| 151 | |
| 152 function FortranGetFreeIndent() | |
| 153 "Find the previous non-blank line | |
| 154 let lnum = prevnonblank(v:lnum - 1) | |
| 155 | |
| 156 "Use zero indent at the top of the file | |
| 157 if lnum == 0 | |
| 158 return 0 | |
| 159 endif | |
| 160 | |
| 161 let ind=FortranGetIndent(lnum) | |
| 162 return ind | |
| 163 endfunction | |
| 164 | |
| 165 function FortranGetFixedIndent() | |
| 166 let currline=getline(v:lnum) | |
| 167 "Don't indent comments, continuation lines and labelled lines | |
| 168 if strpart(currline,0,6) =~ '[^ \t]' | |
| 169 let ind = indent(v:lnum) | |
| 170 return ind | |
| 171 endif | |
| 172 | |
| 173 "Find the previous line which is not blank, not a comment, | |
| 174 "not a continuation line, and does not have a label | |
| 175 let lnum = v:lnum - 1 | |
| 176 while lnum > 0 | |
| 177 let prevline=getline(lnum) | |
| 178 if (prevline =~ "^[C*!]") || (prevline =~ "^\s*$") | |
| 179 \ || (strpart(prevline,5,1) !~ "[ 0]") | |
| 180 " Skip comments, blank lines and continuation lines | |
| 181 let lnum = lnum - 1 | |
| 182 else | |
| 183 let test=strpart(prevline,0,5) | |
| 184 if test =~ "[0-9]" | |
| 185 " Skip lines with statement numbers | |
| 186 let lnum = lnum - 1 | |
| 187 else | |
| 188 break | |
| 189 endif | |
| 190 endif | |
| 191 endwhile | |
| 192 | |
| 193 "First line must begin at column 7 | |
| 194 if lnum == 0 | |
| 195 return 6 | |
| 196 endif | |
| 197 | |
| 198 let ind=FortranGetIndent(lnum) | |
| 199 return ind | |
| 200 endfunction | |
| 201 | |
| 202 let &cpoptions=s:cposet | |
| 203 unlet s:cposet | |
| 204 | |
| 205 " vim:sw=2 tw=130 |