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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 08:50:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 08:50:31 +0000
commitaed8ce9da277f5ecffe968b324f242c41c3b752a (patch)
treed2e538394cb7a8a7c42a4aac6ccf1a8e3256999b /runtime/indent/meson.vim
parentInitial commit. (diff)
downloadvim-aed8ce9da277f5ecffe968b324f242c41c3b752a.tar.xz
vim-aed8ce9da277f5ecffe968b324f242c41c3b752a.zip
Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rw-r--r--runtime/indent/meson.vim183
1 files changed, 183 insertions, 0 deletions
diff --git a/runtime/indent/meson.vim b/runtime/indent/meson.vim
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+" Vim indent file
+" Language: Meson
+" License: VIM License
+" Maintainer: Nirbheek Chauhan <nirbheek.chauhan@gmail.com>
+" Liam Beguin <liambeguin@gmail.com>
+" Original Authors: David Bustos <bustos@caltech.edu>
+" Bram Moolenaar <Bram@vim.org>
+" Last Change: 2019 Oct 18
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+ finish
+endif
+let b:did_indent = 1
+
+" Some preliminary settings
+setlocal nolisp " Make sure lisp indenting doesn't supersede us
+setlocal autoindent " indentexpr isn't much help otherwise
+
+setlocal indentexpr=GetMesonIndent(v:lnum)
+setlocal indentkeys+==elif,=else,=endforeach,=endif,0)
+
+let b:undo_indent = "setl ai< inde< indk< lisp<"
+
+" Only define the function once.
+if exists("*GetMesonIndent")
+ finish
+endif
+let s:keepcpo= &cpo
+set cpo&vim
+
+" Come here when loading the script the first time.
+
+let s:maxoff = 50 " maximum number of lines to look backwards for ()
+
+function GetMesonIndent(lnum)
+ echom getline(line("."))
+
+ " 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) + (exists("g:mesonindent_continue") ? eval(g:mesonindent_continue) : (shiftwidth() * 2))
+ endif
+
+ " If the start of the line is in a string don't change the indent.
+ if has('syntax_items')
+ \ && synIDattr(synID(a:lnum, 1, 1), "name") =~ "String$"
+ return -1
+ endif
+
+ " Search backwards for the previous non-empty line.
+ let plnum = prevnonblank(v:lnum - 1)
+
+ if plnum == 0
+ " This is the first non-empty line, use zero indent.
+ return 0
+ endif
+
+ " If the previous line is inside parenthesis, use the indent of the starting
+ " line.
+ " Trick: use the non-existing "dummy" variable to break out of the loop when
+ " going too far back.
+ call cursor(plnum, 1)
+ let parlnum = searchpair('(\|{\|\[', '', ')\|}\|\]', 'nbW',
+ \ "line('.') < " . (plnum - s:maxoff) . " ? dummy :"
+ \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
+ \ . " =~ '\\(Comment\\|Todo\\|String\\)$'")
+ if parlnum > 0
+ let plindent = indent(parlnum)
+ let plnumstart = parlnum
+ else
+ let plindent = indent(plnum)
+ let plnumstart = plnum
+ endif
+
+
+ " When inside parenthesis: If at the first line below the parenthesis add
+ " a 'shiftwidth', otherwise same as previous line.
+ " i = (a
+ " + b
+ " + c)
+ call cursor(a:lnum, 1)
+ let p = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW',
+ \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :"
+ \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
+ \ . " =~ '\\(Comment\\|Todo\\|String\\)$'")
+ if p > 0
+ if p == plnum
+ " When the start is inside parenthesis, only indent one 'shiftwidth'.
+ let pp = searchpair('(\|{\|\[', '', ')\|}\|\]', 'bW',
+ \ "line('.') < " . (a:lnum - s:maxoff) . " ? dummy :"
+ \ . " synIDattr(synID(line('.'), col('.'), 1), 'name')"
+ \ . " =~ '\\(Comment\\|Todo\\|String\\)$'")
+ if pp > 0
+ return indent(plnum) + (exists("g:pyindent_nested_paren") ? eval(g:pyindent_nested_paren) : shiftwidth())
+ endif
+ return indent(plnum) + (exists("g:pyindent_open_paren") ? eval(g:pyindent_open_paren) : shiftwidth())
+ endif
+ if plnumstart == p
+ return indent(plnum)
+ endif
+ return plindent
+ endif
+
+
+ " Get the line and remove a trailing comment.
+ " Use syntax highlighting attributes when possible.
+ let pline = getline(plnum)
+ let pline_len = strlen(pline)
+ if has('syntax_items')
+ " If the last character in the line is a comment, do a binary search for
+ " the start of the comment. synID() is slow, a linear search would take
+ " too long on a long line.
+ if synIDattr(synID(plnum, pline_len, 1), "name") =~ "\\(Comment\\|Todo\\)$"
+ let min = 1
+ let max = pline_len
+ while min < max
+ let col = (min + max) / 2
+ if synIDattr(synID(plnum, col, 1), "name") =~ "\\(Comment\\|Todo\\)$"
+ let max = col
+ else
+ let min = col + 1
+ endif
+ endwhile
+ let pline = strpart(pline, 0, min - 1)
+ endif
+ else
+ let col = 0
+ while col < pline_len
+ if pline[col] == '#'
+ let pline = strpart(pline, 0, col)
+ break
+ endif
+ let col = col + 1
+ endwhile
+ endif
+
+ " If the previous line ended the conditional/loop
+ if getline(plnum) =~ '^\s*\(endif\|endforeach\)\>\s*'
+ " Maintain indent
+ return -1
+ endif
+
+ " If the previous line ended with a builtin, indent this line
+ if pline =~ '^\s*\(foreach\|if\|else\|elif\)\>\s*'
+ return plindent + shiftwidth()
+ endif
+
+ " If the current line begins with a header keyword, deindent
+ if getline(a:lnum) =~ '^\s*\(else\|elif\|endif\|endforeach\)'
+
+ " Unless the previous line was a one-liner
+ if getline(plnumstart) =~ '^\s*\(foreach\|if\)\>\s*'
+ return plindent
+ endif
+
+ " Or the user has already dedented
+ if indent(a:lnum) <= plindent - shiftwidth()
+ return -1
+ endif
+
+ return plindent - shiftwidth()
+ endif
+
+ " When after a () construct we probably want to go back to the start line.
+ " a = (b
+ " + c)
+ " here
+ if parlnum > 0
+ return plindent
+ endif
+
+ return -1
+
+endfunction
+
+let &cpo = s:keepcpo
+unlet s:keepcpo
+
+" vim:sw=2