The Meson Build System
http://mesonbuild.com/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
184 lines
5.2 KiB
184 lines
5.2 KiB
8 years ago
|
" Vim indent file
|
||
|
" Language: Meson
|
||
|
" Maintainer: Nirbheek Chauhan <nirbheek.chauhan@gmail.com>
|
||
|
" Original Authors: David Bustos <bustos@caltech.edu>
|
||
|
" Bram Moolenaar <Bram@vim.org>
|
||
|
" Last Change: 2015 Feb 23
|
||
|
|
||
|
" 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)
|
||
|
|
||
|
" Only define the function once.
|
||
|
if exists("*GetMesonIndent")
|
||
|
finish
|
||
|
endif
|
||
|
let s:keepcpo= &cpo
|
||
8 years ago
|
setlocal cpo&vim
|
||
8 years ago
|
|
||
|
" Come here when loading the script the first time.
|
||
|
|
||
|
let s:maxoff = 50 " maximum number of lines to look backwards for ()
|
||
|
|
||
|
" Force sw=2 sts=2 because that's required by convention
|
||
8 years ago
|
setlocal shiftwidth=2
|
||
|
setlocal softtabstop=2
|
||
8 years ago
|
|
||
|
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
|
||
7 years ago
|
" a 'shiftwidth', otherwise same as previous line.
|
||
8 years ago
|
" 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\\)$'")
|
||
|
if pp > 0
|
||
|
return indent(plnum) + (exists("g:pyindent_nested_paren") ? eval(g:pyindent_nested_paren) : shiftwidth())
|
||
|
endif
|
||
7 years ago
|
return indent(plnum) + (exists("g:pyindent_open_paren") ? eval(g:pyindent_open_paren) : shiftwidth())
|
||
8 years ago
|
endif
|
||
|
if plnumstart == p
|
||
|
return indent(plnum)
|
||
|
endif
|
||
|
return plindent
|
||
|
endif
|
||
|
|
||
|
|
||
|
" Get the line and remove a trailing comment.
|
||
|
" Use syntax highlighting attributes when possible.
|
||
|
let pline = getline(plnum)
|
||
|
let pline_len = strlen(pline)
|
||
|
if has('syntax_items')
|
||
|
" If the last character in the line is a comment, do a binary search for
|
||
|
" the start of the comment. synID() is slow, a linear search would take
|
||
|
" too long on a long line.
|
||
|
if synIDattr(synID(plnum, pline_len, 1), "name") =~ "\\(Comment\\|Todo\\)$"
|
||
|
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
|