diff options
Diffstat (limited to 'indent/vhdl.vim')
| -rw-r--r-- | indent/vhdl.vim | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/indent/vhdl.vim b/indent/vhdl.vim deleted file mode 100644 index 1b2ff817..00000000 --- a/indent/vhdl.vim +++ /dev/null @@ -1,438 +0,0 @@ -if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1 - -" VHDL indent ('93 syntax) -" Language: VHDL -" Maintainer: Gerald Lai <laigera+vim?gmail.com> -" Version: 1.60 -" Last Change: 2017 Jun 13 -" URL: http://www.vim.org/scripts/script.php?script_id=1450 - -" only load this indent file when no other was loaded -if exists("b:did_indent") - finish -endif -let b:did_indent = 1 - -" setup indent options for local VHDL buffer -setlocal indentexpr=GetVHDLindent() -setlocal indentkeys=!^F,o,O,0(,0) -setlocal indentkeys+==~begin,=~end\ ,=~end\ ,=~is,=~select,=~when -setlocal indentkeys+==~if,=~then,=~elsif,=~else -setlocal indentkeys+==~case,=~loop,=~for,=~generate,=~record,=~units,=~process,=~block,=~function,=~component,=~procedure -setlocal indentkeys+==~architecture,=~configuration,=~entity,=~package - -" constants -" not a comment -let s:NC = '\%(--.*\)\@<!' -" end of string -let s:ES = '\s*\%(--.*\)\=$' -" no "end" keyword in front -let s:NE = '\%(\<end\s\+\)\@<!' - -" option to disable alignment of generic/port mappings -if !exists("g:vhdl_indent_genportmap") - let g:vhdl_indent_genportmap = 1 -endif - -" option to disable alignment of right-hand side assignment "<=" statements -if !exists("g:vhdl_indent_rhsassign") - let g:vhdl_indent_rhsassign = 1 -endif - -" only define indent function once -if exists("*GetVHDLindent") - finish -endif - -function GetVHDLindent() - " store current line & string - let curn = v:lnum - let curs = getline(curn) - - " find previous line that is not a comment - let prevn = prevnonblank(curn - 1) - let prevs = getline(prevn) - while prevn > 0 && prevs =~ '^\s*--' - let prevn = prevnonblank(prevn - 1) - let prevs = getline(prevn) - endwhile - let prevs_noi = substitute(prevs, '^\s*', '', '') - - " default indent starts as previous non-comment line's indent - let ind = prevn > 0 ? indent(prevn) : 0 - " backup default - let ind2 = ind - - " indent: special; kill string so it would not affect other filters - " keywords: "report" + string - " where: anywhere in current or previous line - let s0 = s:NC.'\<report\>\s*".*"' - if curs =~? s0 - let curs = "" - endif - if prevs =~? s0 - let prevs = "" - endif - - " indent: previous line's comment position, otherwise follow next non-comment line if possible - " keyword: "--" - " where: start of current line - if curs =~ '^\s*--' - let pn = curn - 1 - let ps = getline(pn) - if curs =~ '^\s*--\s' && ps =~ '--' - return indent(pn) + stridx(substitute(ps, '^\s*', '', ''), '--') - else - " find nextnonblank line that is not a comment - let nn = nextnonblank(curn + 1) - let ns = getline(nn) - while nn > 0 && ns =~ '^\s*--' - let nn = nextnonblank(nn + 1) - let ns = getline(nn) - endwhile - let n = indent(nn) - return n != -1 ? n : ind - endif - endif - - " **************************************************************************************** - " indent: align generic variables & port names - " keywords: "procedure" + name, "generic", "map", "port" + "(", provided current line is part of mapping - " where: anywhere in previous 2 lines - " find following previous non-comment line - let pn = prevnonblank(prevn - 1) - let ps = getline(pn) - while pn > 0 && ps =~ '^\s*--' - let pn = prevnonblank(pn - 1) - let ps = getline(pn) - endwhile - if (curs =~ '^\s*)' || curs =~? '^\s*\%(\<\%(procedure\|generic\|map\|port\)\>.*\)\@<!\w\+\s*\w*\s*\((.*)\)*\s*\%(=>\s*\S\+\|:[^=]\@=\s*\%(\%(in\|out\|inout\|buffer\|linkage\)\>\|\s\+\)\)') && (prevs =~? s:NC.'\<\%(procedure\s\+\S\+\|generic\|map\|port\)\s*(\%(\s*\w\)\=' || (ps =~? s:NC.'\<\%(procedure\|generic\|map\|port\)'.s:ES && prevs =~ '^\s*(')) - " align closing ")" with opening "(" - if curs =~ '^\s*)' - return ind2 + stridx(prevs_noi, '(') - endif - let m = matchend(prevs_noi, '(\s*\ze\w') - if m != -1 - return ind2 + m - else - if g:vhdl_indent_genportmap - return ind2 + stridx(prevs_noi, '(') + shiftwidth() - else - return ind2 + shiftwidth() - endif - endif - endif - - " indent: align conditional/select statement - " keywords: variable + "<=" without ";" ending - " where: start of previous line - if prevs =~? '^\s*\S\+\s*<=[^;]*'.s:ES - if g:vhdl_indent_rhsassign - return ind2 + matchend(prevs_noi, '<=\s*\ze.') - else - return ind2 + shiftwidth() - endif - endif - - " indent: backtrace previous non-comment lines for next smaller or equal size indent - " keywords: "end" + "record", "units" - " where: start of previous line - " keyword: ")" - " where: start of previous line - " keyword: without "<=" + ";" ending - " where: anywhere in previous line - " keyword: "=>" + ")" ending, provided current line does not begin with ")" - " where: anywhere in previous line - " _note_: indent allowed to leave this filter - let m = 0 - if prevs =~? '^\s*end\s\+\%(record\|units\)\>' - let m = 3 - elseif prevs =~ '^\s*)' - let m = 1 - elseif prevs =~ s:NC.'\%(<=.*\)\@<!;'.s:ES || (curs !~ '^\s*)' && prevs =~ s:NC.'=>.*'.s:NC.')'.s:ES) - let m = 2 - endif - - if m > 0 - let pn = prevnonblank(prevn - 1) - let ps = getline(pn) - while pn > 0 - let t = indent(pn) - if ps !~ '^\s*--' && (t < ind || (t == ind && m == 3)) - " make sure one of these is true - " keywords: variable + "<=" without ";" ending - " where: start of previous non-comment line - " keywords: "procedure", "generic", "map", "port" - " where: anywhere in previous non-comment line - " keyword: "(" - " where: start of previous non-comment line - if m < 3 && ps !~? '^\s*\S\+\s*<=[^;]*'.s:ES - if ps =~? s:NC.'\<\%(procedure\|generic\|map\|port\)\>' || ps =~ '^\s*(' - let ind = t - endif - break - endif - let ind = t - if m > 1 - " find following previous non-comment line - let ppn = prevnonblank(pn - 1) - let pps = getline(ppn) - while ppn > 0 && pps =~ '^\s*--' - let ppn = prevnonblank(ppn - 1) - let pps = getline(ppn) - endwhile - " indent: follow - " keyword: "select" - " where: end of following previous non-comment line - " keyword: "type" - " where: start of following previous non-comment line - if m == 2 - let s1 = s:NC.'\<select'.s:ES - if ps !~? s1 && pps =~? s1 - let ind = indent(ppn) - endif - elseif m == 3 - let s1 = '^\s*type\>' - if ps !~? s1 && pps =~? s1 - let ind = indent(ppn) - endif - endif - endif - break - endif - let pn = prevnonblank(pn - 1) - let ps = getline(pn) - endwhile - endif - - " indent: follow indent of previous opening statement, otherwise -sw - " keyword: "begin" - " where: anywhere in current line - if curs =~? s:NC.'\<begin\>' - " find previous opening statement of - " keywords: "architecture", "block", "entity", "function", "generate", "procedure", "process" - let s2 = s:NC.s:NE.'\<\%(architecture\|block\|entity\|function\|generate\|procedure\|process\)\>' - - let pn = prevnonblank(curn - 1) - let ps = getline(pn) - while pn > 0 && (ps =~ '^\s*--' || ps !~? s2) - let pn = prevnonblank(pn - 1) - let ps = getline(pn) - - if (ps =~? s:NC.'\<begin\>') - return indent(pn) - shiftwidth() - endif - endwhile - - if (pn == 0) - return ind - shiftwidth() - else - return indent(pn) - endif - endif - - " indent: +sw if previous line is previous opening statement - " keywords: "record", "units" - " where: anywhere in current line - if curs =~? s:NC.s:NE.'\<\%(record\|units\)\>' - " find previous opening statement of - " keyword: "type" - let s3 = s:NC.s:NE.'\<type\>' - if curs !~? s3.'.*'.s:NC.'\<\%(record\|units\)\>.*'.s:ES && prevs =~? s3 - let ind = ind + shiftwidth() - endif - return ind - endif - - " **************************************************************************************** - " indent: 0 - " keywords: "architecture", "configuration", "entity", "library", "package" - " where: start of current line - if curs =~? '^\s*\%(architecture\|configuration\|entity\|library\|package\)\>' - return 0 - endif - - " indent: maintain indent of previous opening statement - " keyword: "is" - " where: start of current line - " find previous opening statement of - " keywords: "architecture", "block", "configuration", "entity", "function", "package", "procedure", "process", "type" - if curs =~? '^\s*\<is\>' && prevs =~? s:NC.s:NE.'\<\%(architecture\|block\|configuration\|entity\|function\|package\|procedure\|process\|type\)\>' - return ind2 - endif - - " indent: maintain indent of previous opening statement - " keyword: "then" - " where: start of current line - " find previous opening statement of - " keywords: "elsif", "if" - if curs =~? '^\s*\<then\>' && prevs =~? s:NC.'\%(\<elsif\>\|'.s:NE.'\<if\>\)' - return ind2 - endif - - " indent: maintain indent of previous opening statement - " keyword: "generate" - " where: start of current line - " find previous opening statement of - " keywords: "for", "if" - if curs =~? '^\s*\<generate\>' && prevs =~? s:NC.s:NE.'\%(\%(\<wait\s\+\)\@<!\<for\|\<if\)\>' - return ind2 - endif - - " indent: +sw - " keywords: "block", "process" - " removed: "begin", "case", "elsif", "if", "loop", "record", "units", "while" - " where: anywhere in previous line - if prevs =~? s:NC.s:NE.'\<\%(block\|process\)\>' - return ind + shiftwidth() - endif - - " indent: +sw - " keywords: "architecture", "configuration", "entity", "package" - " removed: "component", "for", "when", "with" - " where: start of previous line - if prevs =~? '^\s*\%(architecture\|configuration\|entity\|package\)\>' - return ind + shiftwidth() - endif - - " indent: +sw - " keyword: "select" - " removed: "generate", "is", "=>" - " where: end of previous line - if prevs =~? s:NC.'\<select'.s:ES - return ind + shiftwidth() - endif - - " indent: +sw - " keyword: "begin", "loop", "record", "units" - " where: anywhere in previous line - " keyword: "component", "else", "for" - " where: start of previous line - " keyword: "generate", "is", "then", "=>" - " where: end of previous line - " _note_: indent allowed to leave this filter - if prevs =~? s:NC.'\%(\<begin\>\|'.s:NE.'\<\%(loop\|record\|units\)\>\)' || prevs =~? '^\s*\%(component\|else\|for\)\>' || prevs =~? s:NC.'\%('.s:NE.'\<generate\|\<\%(is\|then\)\|=>\)'.s:ES - let ind = ind + shiftwidth() - endif - - " **************************************************************************************** - " indent: -sw - " keywords: "when", provided previous line does not begin with "when", does not end with "is" - " where: start of current line - let s4 = '^\s*when\>' - if curs =~? s4 - if prevs =~? s:NC.'\<is'.s:ES - return ind - elseif prevs !~? s4 - return ind - shiftwidth() - else - return ind2 - endif - endif - - " indent: -sw - " keywords: "else", "elsif", "end" + "block", "for", "function", "generate", "if", "loop", "procedure", "process", "record", "units" - " where: start of current line - let s5 = 'block\|for\|function\|generate\|if\|loop\|procedure\|process\|record\|units' - if curs =~? '^\s*\%(else\|elsif\|end\s\+\%('.s5.'\)\)\>' - if prevs =~? '^\s*\%(elsif\|'.s5.'\)' - return ind - else - return ind - shiftwidth() - endif - endif - - " indent: backtrace previous non-comment lines - " keyword: "end" + "case", "component" - " where: start of current line - let m = 0 - if curs =~? '^\s*end\s\+case\>' - let m = 1 - elseif curs =~? '^\s*end\s\+component\>' - let m = 2 - endif - - if m > 0 - " find following previous non-comment line - let pn = prevn - let ps = getline(pn) - while pn > 0 - if ps !~ '^\s*--' - "indent: -2sw - "keywords: "end" + "case" - "where: start of previous non-comment line - "indent: -sw - "keywords: "when" - "where: start of previous non-comment line - "indent: follow - "keywords: "case" - "where: start of previous non-comment line - if m == 1 - if ps =~? '^\s*end\s\+case\>' - return indent(pn) - 2 * shiftwidth() - elseif ps =~? '^\s*when\>' - return indent(pn) - shiftwidth() - elseif ps =~? '^\s*case\>' - return indent(pn) - endif - "indent: follow - "keyword: "component" - "where: start of previous non-comment line - elseif m == 2 - if ps =~? '^\s*component\>' - return indent(pn) - endif - endif - endif - let pn = prevnonblank(pn - 1) - let ps = getline(pn) - endwhile - return ind - shiftwidth() - endif - - " indent: -sw - " keyword: ")" - " where: start of current line - if curs =~ '^\s*)' - return ind - shiftwidth() - endif - - " indent: 0 - " keywords: "end" + "architecture", "configuration", "entity", "package" - " where: start of current line - if curs =~? '^\s*end\s\+\%(architecture\|configuration\|entity\|package\)\>' - return 0 - endif - - " indent: -sw - " keywords: "end" + identifier, ";" - " where: start of current line - "if curs =~? '^\s*end\s\+\w\+\>' - if curs =~? '^\s*end\%(\s\|;'.s:ES.'\)' - return ind - shiftwidth() - endif - - " **************************************************************************************** - " indent: maintain indent of previous opening statement - " keywords: without "procedure", "generic", "map", "port" + ":" but not ":=" + eventually ;$ - " where: start of current line - if curs =~? '^\s*\%(\<\%(procedure\|generic\|map\|port\)\>.*\)\@<!\w\+\s*\w*\s*:[^=].*;.*$' - return ind2 - endif - " **************************************************************************************** - " indent: maintain indent of previous opening statement, corner case which - " does not end in ;, but is part of a mapping - " keywords: without "procedure", "generic", "map", "port" + ":" but not ":=", never + ;$ and - " prevline without "procedure", "generic", "map", "port" + ":" but not ":=" + eventually ;$ - " where: start of current line - if curs =~? '^\s*\%(\<\%(procedure\|generic\|map\|port\)\>.*\)\@<!\w\+\s*\w*\s*:[^=].*[^;].*$' - if prevs =~? '^\s*\%(\<\%(procedure\|generic\|map\|port\)\>.*\)\@<!\w\+\s*\w*\s*:[^=].*;.*$' - return ind2 - endif - endif - - " return leftover filtered indent - return ind -endfunction - -endif |