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-rw-r--r--runtime/indent/nsis.vim93
1 files changed, 93 insertions, 0 deletions
diff --git a/runtime/indent/nsis.vim b/runtime/indent/nsis.vim
new file mode 100644
index 0000000..5d3decc
--- /dev/null
+++ b/runtime/indent/nsis.vim
@@ -0,0 +1,93 @@
+" Vim indent file
+" Language: NSIS script
+" Maintainer: Ken Takata
+" URL: https://github.com/k-takata/vim-nsis
+" Last Change: 2021-10-18
+" Filenames: *.nsi
+" License: VIM License
+
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+setlocal nosmartindent
+setlocal noautoindent
+setlocal indentexpr=GetNsisIndent(v:lnum)
+setlocal indentkeys=!^F,o,O
+setlocal indentkeys+==~${Else,=~${EndIf,=~${EndUnless,=~${AndIf,=~${AndUnless,=~${OrIf,=~${OrUnless,=~${Case,=~${Default,=~${EndSelect,=~${EndSwith,=~${Loop,=~${Next,=~${MementoSectionEnd,=~FunctionEnd,=~SectionEnd,=~SectionGroupEnd,=~PageExEnd,0=~!macroend,0=~!if,0=~!else,0=~!endif
+
+let b:undo_indent = "setl ai< inde< indk< si<"
+
+if exists("*GetNsisIndent")
+ finish
+endif
+
+function! GetNsisIndent(lnum)
+ " If this line is explicitly joined: If the previous line was also joined,
+ " line it up with that one, otherwise add two 'shiftwidth'
+ if getline(a:lnum - 1) =~ '\\$'
+ if a:lnum > 1 && getline(a:lnum - 2) =~ '\\$'
+ return indent(a:lnum - 1)
+ endif
+ return indent(a:lnum - 1) + shiftwidth() * 2
+ endif
+
+ " Grab the current line, stripping comments.
+ let l:thisl = substitute(getline(a:lnum), '[;#].*$', '', '')
+ " Check if this line is a conditional preprocessor line.
+ let l:preproc = l:thisl =~? '^\s*!\%(if\|else\|endif\)'
+
+ " Grab the previous line, stripping comments.
+ " Skip preprocessor lines and continued lines.
+ let l:prevlnum = a:lnum
+ while 1
+ let l:prevlnum = prevnonblank(l:prevlnum - 1)
+ if l:prevlnum == 0
+ " top of file
+ return 0
+ endif
+ let l:prevl = substitute(getline(l:prevlnum), '[;#].*$', '', '')
+ let l:prevpreproc = l:prevl =~? '^\s*!\%(if\|else\|endif\)'
+ if l:preproc == l:prevpreproc && getline(l:prevlnum - 1) !~? '\\$'
+ break
+ endif
+ endwhile
+ let l:previ = indent(l:prevlnum)
+ let l:ind = l:previ
+
+ if l:preproc
+ " conditional preprocessor
+ if l:prevl =~? '^\s*!\%(if\%(\%(macro\)\?n\?def\)\?\|else\)\>'
+ let l:ind += shiftwidth()
+ endif
+ if l:thisl =~? '^\s*!\%(else\|endif\)\?\>'
+ let l:ind -= shiftwidth()
+ endif
+ return l:ind
+ endif
+
+ if l:prevl =~? '^\s*\%(\${\%(If\|IfNot\|Unless\|ElseIf\|ElseIfNot\|ElseUnless\|Else\|AndIf\|AndIfNot\|AndUnless\|OrIf\|OrIfNot\|OrUnless\|Select\|Case\|Case[2-5]\|CaseElse\|Default\|Switch\|Do\|DoWhile\|DoUntil\|For\|ForEach\|MementoSection\)}\|Function\>\|Section\>\|SectionGroup\|PageEx\>\|!macro\>\)'
+ " previous line opened a block
+ let l:ind += shiftwidth()
+ endif
+ if l:thisl =~? '^\s*\%(\${\%(ElseIf\|ElseIfNot\|ElseUnless\|Else\|EndIf\|EndUnless\|AndIf\|AndIfNot\|AndUnless\|OrIf\|OrIfNot\|OrUnless\|Loop\|LoopWhile\|LoopUntil\|Next\|MementoSectionEnd\)\>}\?\|FunctionEnd\>\|SectionEnd\>\|SectionGroupEnd\|PageExEnd\>\|!macroend\>\)'
+ " this line closed a block
+ let l:ind -= shiftwidth()
+ elseif l:thisl =~? '^\s*\${\%(Case\|Case[2-5]\|CaseElse\|Default\)\>}\?'
+ if l:prevl !~? '^\s*\${\%(Select\|Switch\)}'
+ let l:ind -= shiftwidth()
+ endif
+ elseif l:thisl =~? '^\s*\${\%(EndSelect\|EndSwitch\)\>}\?'
+ " this line closed a block
+ if l:prevl =~? '^\s*\${\%(Select\|Switch\)}'
+ let l:ind -= shiftwidth()
+ else
+ let l:ind -= shiftwidth() * 2
+ endif
+ endif
+
+ return l:ind
+endfunction
+
+" vim: ts=8 sw=2 sts=2