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This commit is contained in:
Adam Stankiewicz
2020-04-14 13:17:26 +02:00
parent e86e0ad36e
commit 14dc82fc4e
58 changed files with 1505 additions and 666 deletions
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515
indent/crystal.vim
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@@ -6,431 +6,78 @@ if exists('b:did_indent')
endif
let b:did_indent = 1
if !exists('g:crystal_indent_access_modifier_style')
" Possible values: "normal", "indent", "outdent"
let g:crystal_indent_access_modifier_style = 'normal'
endif
setlocal nosmartindent
" Now, set up our indentation expression and keys that trigger it.
setlocal indentexpr=GetCrystalIndent(v:lnum)
setlocal indentkeys=0{,0},0),0],!^F,o,O,e,:,.
setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue,==begin,==end
setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue
setlocal indentkeys+==private,=protected
let s:cpo_save = &cpo
set cpo&vim
" Only define the function once.
if exists('*GetCrystalIndent')
finish
endif
let s:cpo_save = &cpo
set cpo&vim
" Return the value of a single shift-width
if exists('*shiftwidth')
let s:sw = function('shiftwidth')
else
function s:sw()
return &shiftwidth
endfunction
endif
" 1. Variables {{{1
" ============
" Regex of syntax group names that are or delimit strings/symbols or are comments.
let s:syng_strcom = '\<crystal\%(Regexp\|RegexpDelimiter\|RegexpEscape' .
\ '\|Symbol\|String\|StringDelimiter\|StringEscape\|CharLiteral\|ASCIICode' .
\ '\|Interpolation\|InterpolationDelimiter\|NoInterpolation\|Comment\|Documentation\)\>'
" Regex of syntax group names that are strings.
let s:syng_string =
\ '\<crystal\%(String\|Interpolation\|NoInterpolation\|StringEscape\)\>'
" Regex of syntax group names that are strings or documentation.
let s:syng_stringdoc =
\'\<crystal\%(String\|Interpolation\|NoInterpolation\|StringEscape\|Documentation\)\>'
" Expression used to check whether we should skip a match with searchpair().
let s:skip_expr =
\ "synIDattr(synID(line('.'),col('.'),1),'name') =~ '".s:syng_strcom."'"
" Regex used for words that, at the start of a line, add a level of indent.
let s:crystal_indent_keywords =
\ '^\s*\zs\<\%(\%(\%(private\|protected\)\s\+\)\=\%(abstract\s\+\)\=\%(class\|struct\)' .
\ '\|if\|for\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue\|union' .
\ '\|\%(private\|protected\)\=\s*\%(def\|class\|struct\|module\|macro\|lib\|enum\)\):\@!\>' .
\ '\|\%([=,*/%+-]\|<<\|>>\|:\s\)\s*\zs' .
\ '\<\%(if\|for\|while\|until\|case\|unless\|begin\):\@!\>' .
\ '\|{%\s*\<\%(if\|for\|while\|until\|case\|unless\|begin\|else\|elsif\|when\)'
" Regex used for words that, at the start of a line, remove a level of indent.
let s:crystal_deindent_keywords =
\ '^\s*\zs\<\%(ensure\|else\|rescue\|elsif\|when\|end\):\@!\>' .
\ '\|{%\s*\<\%(ensure\|else\|rescue\|elsif\|when\|end\)\>'
" Regex that defines the start-match for the 'end' keyword.
" TODO: the do here should be restricted somewhat (only at end of line)?
let s:end_start_regex =
\ '{%\s*\<\%(if\|for\|while\|until\|unless\|begin\)\>\|' .
\ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
\ '\<\%(\%(\%(private\|protected\)\s\+\)\=\%(abstract\s\+\)\=\%(class\|struct\)' .
\ '\|if\|for\|while\|until\|case\|unless\|begin\|union' .
\ '\|\%(private\|protected\)\=\s*\%(def\|lib\|enum\|macro\|module\)\):\@!\>' .
\ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>'
" Regex that defines the middle-match for the 'end' keyword.
let s:end_middle_regex =
\ '{%\s*\<\%(ensure\|else\|when\|elsif\)\>\s*%}\|' .
\ '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue:\@!\>\|when\|elsif\):\@!\>'
" Regex that defines the end-match for the 'end' keyword.
let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end:\@!\>\|{%\s*\<\%(end\)\>'
" Expression used for searchpair() call for finding match for 'end' keyword.
let s:end_skip_expr = s:skip_expr .
\ ' || (expand("<cword>") == "do"' .
\ ' && getline(".") =~ "^\\s*\\<\\(while\\|until\\|for\\):\\@!\\>")'
" Regex that defines continuation lines, not including (, {, or [.
let s:non_bracket_continuation_regex = '\%([\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$'
" Regex that defines continuation lines.
let s:continuation_regex =
\ '\%(%\@<![({[\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$'
" Regex that defines continuable keywords
let s:continuable_regex =
\ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
\ '\<\%(if\|for\|while\|until\|unless\):\@!\>'
" Regex that defines bracket continuations
let s:bracket_continuation_regex = '%\@<!\%([({[]\)\s*\%(#.*\)\=$'
" Regex that defines end of bracket continuation followed by another continuation
let s:bracket_switch_continuation_regex = '^\([^(]\+\zs).\+\)\+'.s:continuation_regex
" Regex that defines the first part of a splat pattern
let s:splat_regex = '[[,(]\s*\*\s*\%(#.*\)\=$'
" Regex that defines blocks.
"
" Note that there's a slight problem with this regex and s:continuation_regex.
" Code like this will be matched by both:
"
" method_call do |(a, b)|
"
" The reason is that the pipe matches a hanging "|" operator.
"
let s:block_regex =
\ '\%(\<do:\@!\>\|%\@<!{\)\s*\%(|\s*(*\s*\%([*@&]\=\h\w*,\=\s*\)\%(,\s*(*\s*[*@&]\=\h\w*\s*)*\s*\)*|\)\=\s*\%(#.*\)\=$'
let s:block_continuation_regex = '^\s*[^])}\t ].*'.s:block_regex
" Regex that describes a leading operator (only a method call's dot for now)
let s:leading_operator_regex = '^\s*[.]'
" Regex that describes all indent access modifiers
let s:access_modifier_regex = '\C^\s*\%(protected\|private\)\s*\%(#.*\)\=$'
" 2. Auxiliary Functions {{{1
" ======================
" Check if the character at lnum:col is inside a string, comment, or is ascii.
function s:IsInStringOrComment(lnum, col)
return synIDattr(synID(a:lnum, a:col, 1), 'name') =~# s:syng_strcom
endfunction
" Check if the character at lnum:col is inside a string.
function s:IsInString(lnum, col)
return synIDattr(synID(a:lnum, a:col, 1), 'name') =~# s:syng_string
endfunction
" Check if the character at lnum:col is inside a string or documentation.
function s:IsInStringOrDocumentation(lnum, col)
return synIDattr(synID(a:lnum, a:col, 1), 'name') =~# s:syng_stringdoc
endfunction
" Check if the character at lnum:col is inside a string delimiter
function s:IsInStringDelimiter(lnum, col)
return synIDattr(synID(a:lnum, a:col, 1), 'name') ==# 'crystalStringDelimiter'
endfunction
" Find line above 'lnum' that isn't empty, in a comment, or in a string.
function s:PrevNonBlankNonString(lnum)
let in_block = 0
let lnum = prevnonblank(a:lnum)
while lnum > 0
" Go in and out of blocks comments as necessary.
" If the line isn't empty (with opt. comment) or in a string, end search.
let line = getline(lnum)
if line =~# '^=begin'
if in_block
let in_block = 0
else
break
endif
elseif !in_block && line =~# '^=end'
let in_block = 1
elseif !in_block && line !~# '^\s*#.*$' && !(s:IsInStringOrComment(lnum, 1)
\ && s:IsInStringOrComment(lnum, strlen(line)))
break
endif
let lnum = prevnonblank(lnum - 1)
endwhile
return lnum
endfunction
" Find line above 'lnum' that started the continuation 'lnum' may be part of.
function s:GetMSL(lnum)
" Start on the line we're at and use its indent.
let msl = a:lnum
let msl_body = getline(msl)
let lnum = s:PrevNonBlankNonString(a:lnum - 1)
while lnum > 0
" If we have a continuation line, or we're in a string, use line as MSL.
" Otherwise, terminate search as we have found our MSL already.
let line = getline(lnum)
if s:Match(msl, s:leading_operator_regex)
" If the current line starts with a leading operator, keep its indent
" and keep looking for an MSL.
let msl = lnum
elseif s:Match(lnum, s:splat_regex)
" If the above line looks like the "*" of a splat, use the current one's
" indentation.
"
" Example:
" Hash[*
" method_call do
" something
"
return msl
elseif s:Match(lnum, s:non_bracket_continuation_regex) &&
\ s:Match(msl, s:non_bracket_continuation_regex)
" If the current line is a non-bracket continuation and so is the
" previous one, keep its indent and continue looking for an MSL.
"
" Example:
" method_call one,
" two,
" three
"
let msl = lnum
elseif s:Match(lnum, s:non_bracket_continuation_regex) &&
\ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex))
" If the current line is a bracket continuation or a block-starter, but
" the previous is a non-bracket one, respect the previous' indentation,
" and stop here.
"
" Example:
" method_call one,
" two {
" three
"
return lnum
elseif s:Match(lnum, s:bracket_continuation_regex) &&
\ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex))
" If both lines are bracket continuations (the current may also be a
" block-starter), use the current one's and stop here
"
" Example:
" method_call(
" other_method_call(
" foo
return msl
elseif s:Match(lnum, s:block_regex) &&
\ !s:Match(msl, s:continuation_regex) &&
\ !s:Match(msl, s:block_continuation_regex)
" If the previous line is a block-starter and the current one is
" mostly ordinary, use the current one as the MSL.
"
" Example:
" method_call do
" something
" something_else
return msl
else
let col = match(line, s:continuation_regex) + 1
if (col > 0 && !s:IsInStringOrComment(lnum, col))
\ || s:IsInString(lnum, strlen(line))
let msl = lnum
else
break
endif
endif
let msl_body = getline(msl)
let lnum = s:PrevNonBlankNonString(lnum - 1)
endwhile
return msl
endfunction
" Check if line 'lnum' has more opening brackets than closing ones.
function s:ExtraBrackets(lnum)
let opening = {'parentheses': [], 'braces': [], 'brackets': []}
let closing = {'parentheses': [], 'braces': [], 'brackets': []}
let line = getline(a:lnum)
let pos = match(line, '[][(){}]', 0)
" Save any encountered opening brackets, and remove them once a matching
" closing one has been found. If a closing bracket shows up that doesn't
" close anything, save it for later.
while pos != -1
if !s:IsInStringOrComment(a:lnum, pos + 1)
if line[pos] ==# '('
call add(opening.parentheses, {'type': '(', 'pos': pos})
elseif line[pos] ==# ')'
if empty(opening.parentheses)
call add(closing.parentheses, {'type': ')', 'pos': pos})
else
let opening.parentheses = opening.parentheses[0:-2]
endif
elseif line[pos] ==# '{'
call add(opening.braces, {'type': '{', 'pos': pos})
elseif line[pos] ==# '}'
if empty(opening.braces)
call add(closing.braces, {'type': '}', 'pos': pos})
else
let opening.braces = opening.braces[0:-2]
endif
elseif line[pos] ==# '['
call add(opening.brackets, {'type': '[', 'pos': pos})
elseif line[pos] ==# ']'
if empty(opening.brackets)
call add(closing.brackets, {'type': ']', 'pos': pos})
else
let opening.brackets = opening.brackets[0:-2]
endif
endif
endif
let pos = match(line, '[][(){}]', pos + 1)
endwhile
" Find the rightmost brackets, since they're the ones that are important in
" both opening and closing cases
let rightmost_opening = {'type': '(', 'pos': -1}
let rightmost_closing = {'type': ')', 'pos': -1}
for opening in opening.parentheses + opening.braces + opening.brackets
if opening.pos > rightmost_opening.pos
let rightmost_opening = opening
endif
endfor
for closing in closing.parentheses + closing.braces + closing.brackets
if closing.pos > rightmost_closing.pos
let rightmost_closing = closing
endif
endfor
return [rightmost_opening, rightmost_closing]
endfunction
function s:Match(lnum, regex)
let line = getline(a:lnum)
let offset = match(line, '\C'.a:regex)
let col = offset + 1
while offset > -1 && s:IsInStringOrComment(a:lnum, col)
let offset = match(line, '\C'.a:regex, offset + 1)
let col = offset + 1
endwhile
if offset > -1
return col
else
return 0
endif
endfunction
" Locates the containing class/module's definition line, ignoring nested classes
" along the way.
"
function! s:FindContainingClass()
let saved_position = getpos('.')
while searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW',
\ s:end_skip_expr) > 0
if expand('<cword>') =~# '\<class\|module\>'
let found_lnum = line('.')
call setpos('.', saved_position)
return found_lnum
endif
endwhile
call setpos('.', saved_position)
return 0
endfunction
" 3. GetCrystalIndent Function {{{1
" GetCrystalIndent Function {{{1
" =========================
function GetCrystalIndent(...)
" 3.1. Setup {{{2
" ----------
" The value of a single shift-width
if exists('*shiftwidth')
let sw = shiftwidth()
else
let sw = &sw
endif
" Setup {{{2
" -----
" For the current line, use the first argument if given, else v:lnum
let clnum = a:0 ? a:1 : v:lnum
" Set up variables for restoring position in file. Could use clnum here.
let vcol = col('.')
" Set up variables for restoring position in file
let vcol = col(clnum)
" 3.2. Work on the current line {{{2
" -----------------------------
" Work on the current line {{{2
" ------------------------
" Get the current line.
let line = getline(clnum)
let ind = -1
" If this line is an access modifier keyword, align according to the closest
" class declaration.
if g:crystal_indent_access_modifier_style ==? 'indent'
if s:Match(clnum, s:access_modifier_regex)
let class_line = s:FindContainingClass()
if class_line > 0
return indent(class_line) + sw
endif
endif
elseif g:crystal_indent_access_modifier_style ==? 'outdent'
if s:Match(clnum, s:access_modifier_regex)
let class_line = s:FindContainingClass()
if class_line > 0
return indent(class_line)
endif
endif
endif
" If we got a closing bracket on an empty line, find its match and indent
" according to it. For parentheses we indent to its column - 1, for the
" others we indent to the containing line's MSL's level. Return -1 if fail.
let col = matchend(line, '^\s*[]})]')
if col > 0 && !s:IsInStringOrComment(clnum, col)
if col > 0 && !crystal#indent#IsInStringOrComment(clnum, col)
call cursor(clnum, col)
let bs = strpart('(){}[]', stridx(')}]', line[col - 1]) * 2, 2)
if searchpair(escape(bs[0], '\['), '', bs[1], 'bW', s:skip_expr) > 0
if searchpair(escape(bs[0], '\['), '', bs[1], 'bW', g:crystal#indent#skip_expr)
if line[col-1] ==# ')' && col('.') != col('$') - 1
let ind = virtcol('.') - 1
else
let ind = indent(s:GetMSL(line('.')))
let ind = indent(crystal#indent#GetMSL(line('.')))
endif
endif
return ind
endif
" If we have a =begin or =end set indent to first column.
if match(line, '^\s*\%(=begin\|=end\)$') != -1
return 0
endif
" If we have a deindenting keyword, find its match and indent to its level.
" TODO: this is messy
if s:Match(clnum, s:crystal_deindent_keywords)
if crystal#indent#Match(clnum, g:crystal#indent#crystal_deindent_keywords)
call cursor(clnum, 1)
if searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW',
\ s:end_skip_expr) > 0
let msl = s:GetMSL(line('.'))
if searchpair(
\ g:crystal#indent#end_start_regex,
\ g:crystal#indent#end_middle_regex,
\ g:crystal#indent#end_end_regex,
\ 'bW', g:crystal#indent#skip_expr)
let msl = crystal#indent#GetMSL(line('.'))
let line = getline(line('.'))
if strpart(line, 0, col('.') - 1) =~# '=\s*$' &&
@@ -449,29 +96,29 @@ function GetCrystalIndent(...)
return ind
endif
" If we are in a multi-line string or line-comment, don't do anything to it.
if s:IsInStringOrDocumentation(clnum, matchend(line, '^\s*') + 1)
" If we are in a multi-line string, don't do anything to it.
if crystal#indent#IsInString(clnum, matchend(line, '^\s*') + 1)
return indent('.')
endif
" If we are at the closing delimiter of a "<<" heredoc-style string, set the
" indent to 0.
if line =~# '^\k\+\s*$'
\ && s:IsInStringDelimiter(clnum, 1)
\ && search('\V<<'.line, 'nbW') > 0
\ && crystal#indent#IsInStringDelimiter(clnum, 1)
\ && search('\V<<'.line, 'nbW')
return 0
endif
" If the current line starts with a leading operator, add a level of indent.
if s:Match(clnum, s:leading_operator_regex)
return indent(s:GetMSL(clnum)) + sw
if crystal#indent#Match(clnum, g:crystal#indent#leading_operator_regex)
return indent(crystal#indent#GetMSL(clnum)) + s:sw()
endif
" 3.3. Work on the previous line. {{{2
" -------------------------------
" Work on the previous line. {{{2
" --------------------------
" Find a non-blank, non-multi-line string line above the current line.
let lnum = s:PrevNonBlankNonString(clnum - 1)
let lnum = crystal#indent#PrevNonBlankNonString(clnum - 1)
" If the line is empty and inside a string, use the previous line.
if line =~# '^\s*$' && lnum != prevnonblank(clnum - 1)
@@ -487,33 +134,34 @@ function GetCrystalIndent(...)
let line = getline(lnum)
let ind = indent(lnum)
if s:Match(lnum, s:continuable_regex) && s:Match(lnum, s:continuation_regex)
return indent(s:GetMSL(lnum)) + sw + sw
if crystal#indent#Match(lnum, g:crystal#indent#continuable_regex) &&
\ crystal#indent#Match(lnum, g:crystal#indent#continuation_regex)
return indent(crystal#indent#GetMSL(lnum)) + s:sw() * 2
endif
" If the previous line ended with a block opening, add a level of indent.
if s:Match(lnum, s:block_regex)
let msl = s:GetMSL(lnum)
if crystal#indent#Match(lnum, g:crystal#indent#block_regex)
let msl = crystal#indent#GetMSL(lnum)
if getline(msl) =~# '=\s*\(#.*\)\=$'
" in the case of assignment to the msl, align to the starting line,
" not to the msl
let ind = indent(lnum) + sw
let ind = indent(lnum) + s:sw()
else
let ind = indent(msl) + sw
let ind = indent(msl) + s:sw()
endif
return ind
endif
" If the previous line started with a leading operator, use its MSL's level
" of indent
if s:Match(lnum, s:leading_operator_regex)
return indent(s:GetMSL(lnum))
if crystal#indent#Match(lnum, g:crystal#indent#leading_operator_regex)
return indent(crystal#indent#GetMSL(lnum))
endif
" If the previous line ended with the "*" of a splat, add a level of indent
if line =~ s:splat_regex
return indent(lnum) + sw
if line =~ g:crystal#indent#splat_regex
return indent(lnum) + s:sw()
endif
" If the previous line contained unclosed opening brackets and we are still
@@ -523,25 +171,25 @@ function GetCrystalIndent(...)
" If it contained hanging closing brackets, find the rightmost one, find its
" match and indent according to that.
if line =~# '[[({]' || line =~# '[])}]\s*\%(#.*\)\=$'
let [opening, closing] = s:ExtraBrackets(lnum)
let [opening, closing] = crystal#indent#ExtraBrackets(lnum)
if opening.pos != -1
if opening.type ==# '(' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0
if opening.type ==# '(' && searchpair('(', '', ')', 'bW', g:crystal#indent#skip_expr)
if col('.') + 1 == col('$')
return ind + sw
return ind + s:sw()
else
return virtcol('.')
endif
else
let nonspace = matchend(line, '\S', opening.pos + 1) - 1
return nonspace > 0 ? nonspace : ind + sw
return nonspace > 0 ? nonspace : ind + s:sw()
endif
elseif closing.pos != -1
call cursor(lnum, closing.pos + 1)
normal! %
if s:Match(line('.'), s:crystal_indent_keywords)
return indent('.') + sw
if crystal#indent#Match(line('.'), g:crystal#indent#crystal_indent_keywords)
return indent('.') + s:sw()
else
return indent('.')
endif
@@ -552,14 +200,18 @@ function GetCrystalIndent(...)
" If the previous line ended with an "end", match that "end"s beginning's
" indent.
let col = s:Match(lnum, '\%(^\|[^.:@$]\)\<end\>\s*\%(#.*\)\=$')
if col > 0
let col = crystal#indent#Match(lnum, g:crystal#indent#end_end_regex)
if col
call cursor(lnum, col)
if searchpair(s:end_start_regex, '', s:end_end_regex, 'bW',
\ s:end_skip_expr) > 0
if searchpair(
\ g:crystal#indent#end_start_regex,
\ g:crystal#indent#end_middle_regex,
\ g:crystal#indent#end_end_regex,
\ 'bW',
\ g:crystal#indent#skip_expr)
let n = line('.')
let ind = indent('.')
let msl = s:GetMSL(n)
let msl = crystal#indent#GetMSL(n)
if msl != n
let ind = indent(msl)
end
@@ -567,34 +219,35 @@ function GetCrystalIndent(...)
endif
end
let col = s:Match(lnum, s:crystal_indent_keywords)
if col > 0
let col = crystal#indent#Match(lnum, g:crystal#indent#crystal_indent_keywords)
if col
call cursor(lnum, col)
let ind = virtcol('.') - 1 + sw
let ind = virtcol('.') - 1 + s:sw()
" TODO: make this better (we need to count them) (or, if a searchpair
" fails, we know that something is lacking an end and thus we indent a
" level
if s:Match(lnum, s:end_end_regex)
if crystal#indent#Match(lnum, g:crystal#indent#end_end_regex)
let ind = indent('.')
endif
return ind
endif
" 3.4. Work on the MSL line. {{{2
" --------------------------
" Work on the MSL line. {{{2
" ---------------------
" Set up variables to use and search for MSL to the previous line.
let p_lnum = lnum
let lnum = s:GetMSL(lnum)
let lnum = crystal#indent#GetMSL(lnum)
" If the previous line wasn't a MSL.
if p_lnum != lnum
" If previous line ends bracket and begins non-bracket continuation decrease indent by 1.
if s:Match(p_lnum, s:bracket_switch_continuation_regex)
if crystal#indent#Match(p_lnum, g:crystal#indent#bracket_switch_continuation_regex)
return ind - 1
" If previous line is a continuation return its indent.
" TODO: the || s:IsInString() thing worries me a bit.
elseif s:Match(p_lnum, s:non_bracket_continuation_regex) || s:IsInString(p_lnum,strlen(line))
" TODO: the || crystal#indent#IsInString() thing worries me a bit.
elseif crystal#indent#Match(p_lnum, g:crystal#indent#non_bracket_continuation_regex) ||
\ crystal#indent#IsInString(p_lnum,strlen(line))
return ind
endif
endif
@@ -606,19 +259,21 @@ function GetCrystalIndent(...)
" If the MSL line had an indenting keyword in it, add a level of indent.
" TODO: this does not take into account contrived things such as
" module Foo; class Bar; end
if s:Match(lnum, s:crystal_indent_keywords)
let ind = msl_ind + sw
if s:Match(lnum, s:end_end_regex)
let ind = ind - sw
if crystal#indent#Match(lnum, g:crystal#indent#crystal_indent_keywords)
let ind = msl_ind + s:sw()
if crystal#indent#Match(lnum, g:crystal#indent#end_end_regex)
let ind = ind - s:sw()
endif
return ind
endif
" If the previous line ended with [*+/.,-=], but wasn't a block ending or a
" closing bracket, indent one extra level.
if s:Match(lnum, s:non_bracket_continuation_regex) && !s:Match(lnum, '^\s*\([\])}]\|end\)')
" If the previous line ended with an operator -- but wasn't a block
" ending, closing bracket, or type declaration -- indent one extra
" level.
if crystal#indent#Match(lnum, g:crystal#indent#non_bracket_continuation_regex) &&
\ !crystal#indent#Match(lnum, '^\s*\([\])}]\|end\)')
if lnum == p_lnum
let ind = msl_ind + sw
let ind = msl_ind + s:sw()
else
let ind = msl_ind
endif

6
indent/cython.vim
View File

@@ -160,8 +160,8 @@ function! s:find_start_of_block(lnum, types, skip, multiple) abort
else
let re_skip = ''
endif
let lnum = a:lnum
let last_indent = indent(lnum) + 1
let last_indent = indent(a:lnum) + 1
let lnum = a:lnum - 1
while lnum > 0 && last_indent > 0
let indent = indent(lnum)
if indent < last_indent
@@ -262,7 +262,7 @@ function! s:indent_like_block(lnum)
endif
let [blocks, skip] = blocks_ignore
let indents = s:find_start_of_block(a:lnum - 1, blocks, skip, multiple)
let indents = s:find_start_of_block(a:lnum, blocks, skip, multiple)
if empty(indents)
return -1
endif

2
indent/dart.vim
View File

@@ -12,7 +12,7 @@ setlocal indentexpr=DartIndent()
let b:undo_indent = 'setl cin< cino<'
if exists("*DartIndent")
if exists('*DartIndent')
finish
endif

489
indent/ecrystal.vim Normal file
View File

@@ -0,0 +1,489 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
" Setup {{{1
" =====
if exists('b:did_indent')
finish
endif
call ecrystal#SetSubtype()
if b:ecrystal_subtype !=# ''
exec 'runtime! indent/'.b:ecrystal_subtype.'.vim'
unlet! b:did_indent
endif
if &l:indentexpr ==# ''
if &l:cindent
let &l:indentexpr = 'cindent(v:lnum)'
else
let &l:indentexpr = 'indent(prevnonblank(v:lnum - 1))'
endif
endif
let b:ecrystal_subtype_indentexpr = &l:indentexpr
" Should we use folding?
if has('folding') && get(g:, 'ecrystal_fold', 0)
setlocal foldmethod=expr
setlocal foldexpr=GetEcrystalFold()
endif
" Should closing control tags be aligned with their corresponding
" opening tags?
if !exists('b:ecrystal_align_end')
if exists('g:ecrystal_align_end')
let b:ecrystal_align_end = g:ecrystal_align_end
else
let b:ecrystal_align_end = b:ecrystal_subtype !=# 'html' && b:ecrystal_subtype !=# 'xml'
endif
endif
" Should multiline tags be indented?
if !exists('b:ecrystal_indent_multiline')
let b:ecrystal_indent_multiline = get(g:, 'ecrystal_indent_multiline', 1)
endif
if b:ecrystal_indent_multiline
runtime! indent/crystal.vim
unlet! b:did_indent
setlocal indentexpr<
endif
setlocal indentexpr=GetEcrystalIndent()
setlocal indentkeys+=<>>,=end,=else,=elsif,=rescue,=ensure,=when
let b:did_indent = 1
" Only define the function once.
if exists('*GetEcrystalIndent')
finish
endif
" Helper variables and functions {{{1
" ==============================
let s:ecr_open = '<%%\@!'
let s:ecr_close = '%>'
let s:ecr_control_open = '<%%\@!-\=[=#]\@!'
let s:ecr_comment_open = '<%%\@!-\=#'
let s:ecr_indent_regex =
\ '\<\%(if\|unless\|else\|elsif\|case\|for\|when\|while\|until\|begin\|do\|rescue\|ensure\|' .
\ 'class\|module\|struct\|lib\|enum\|union\)\>'
let s:ecr_dedent_regex =
\ '\<\%(end\|else\|elsif\|when\|rescue\|ensure\)\>'
" Return the value of a single shift-width
if exists('*shiftwidth')
let s:sw = function('shiftwidth')
else
function s:sw()
return &shiftwidth
endfunction
endif
" Does the given pattern match at the cursor's position?
function s:MatchCursor(pattern)
return searchpos(a:pattern, 'cnz', line('.')) == [line('.'), col('.')]
endfunction
" Does the given pattern match at the given position?
function s:MatchAt(lnum, col, pattern)
let pos = getcurpos()
try
call cursor(a:lnum, a:col)
let result = s:MatchCursor(a:pattern)
finally
call setpos('.', pos)
endtry
return result
endfunction
" Is the cell at the given position part of a tag? If so, return the
" position of the opening delimiter.
function s:MatchECR(...)
if a:0
let lnum = a:1
let col = a:2
call cursor(lnum, col)
endif
let pos = getcurpos()
try
let flags = s:MatchCursor(s:ecr_open) ? 'bcWz' : 'bWz'
let [open_lnum, open_col] = searchpairpos(
\ s:ecr_open, '', s:ecr_close,
\ flags, g:crystal#indent#skip_expr)
finally
call setpos('.', pos)
endtry
return [open_lnum, open_col]
endfunction
" If the cell at the given position is part of a control tag, return the
" respective positions of the opening and closing delimiters for that
" tag.
function s:MatchECRControl(...)
let pos = getcurpos()
if a:0
let lnum = a:1
let col = a:2
call cursor(lnum, col)
else
let [lnum, col] = [line('.'), col('.')]
endif
let open = { 'lnum': 0, 'col': 0 }
let close = { 'lnum': 0, 'col': 0 }
let [open.lnum, open.col] = s:MatchECR(lnum, col)
if !open.lnum
call setpos('.', pos)
return [open, close]
endif
call cursor(open.lnum, open.col)
if !s:MatchCursor(s:ecr_control_open)
let open.lnum = 0
let open.col = 0
call setpos('.', pos)
return [open, close]
endif
let [close.lnum, close.col] = searchpairpos(
\ s:ecr_control_open, '', s:ecr_close,
\ 'Wz', g:crystal#indent#skip_expr)
call setpos('.', pos)
return [open, close]
endfunction
" Determine whether or not the control tag at the given position starts
" an indent.
function s:ECRIndent(...)
if a:0
if type(a:1) == 0
let [open, close] = s:MatchECRControl(a:1, a:2)
elseif type(a:1) == 4
let [open, close] = [a:1, a:2]
endif
else
let [open, close] = s:MatchECRControl()
endif
let result = 0
if !open.lnum
return result
endif
let pos = getcurpos()
call cursor(open.lnum, open.col)
" Find each Crystal keyword that starts an indent; if any of them do
" not have a corresponding ending keyword, then this tag starts an
" indent.
while search(s:ecr_indent_regex, 'z', close.lnum)
let [lnum, col] = [line('.'), col('.')]
if lnum == close.lnum && col > close.col
break
endif
if crystal#indent#IsInStringOrComment(lnum, col)
continue
endif
let [end_lnum, end_col] = searchpairpos(
\ g:crystal#indent#end_start_regex,
\ g:crystal#indent#end_middle_regex,
\ g:crystal#indent#end_end_regex,
\ 'nz',
\ g:crystal#indent#skip_expr,
\ close.lnum)
if end_lnum
if end_lnum == close.lnum && end_col > close.col
let result = 1
endif
else
let result = 1
endif
if result
break
endif
endwhile
call setpos('.', pos)
return result
endfunction
" Determine if the control tag at the given position ends an indent or
" not.
function s:ECRDedent(...)
if a:0
if type(a:1) == 0
let [open, close] = s:MatchECRControl(a:1, a:2)
elseif type(a:1) == 4
let [open, close] = [a:1, a:2]
endif
else
let [open, close] = s:MatchECRControl()
endif
let result = 0
if !open.lnum
return result
endif
let pos = getcurpos()
call cursor(open.lnum, open.col)
" Find each Crystal keyword that ends an indent; if any of them do not
" have a corresponding starting keyword, then this tag ends an indent
while search(s:ecr_dedent_regex, 'z', close.lnum)
let [lnum, col] = [line('.'), col('.')]
if lnum == close.lnum && col > close.col
break
endif
if crystal#indent#IsInStringOrComment(lnum, col)
continue
endif
let [begin_lnum, begin_col] = searchpairpos(
\ g:crystal#indent#end_start_regex,
\ g:crystal#indent#end_middle_regex,
\ g:crystal#indent#end_end_regex,
\ 'bnz',
\ g:crystal#indent#skip_expr,
\ open.lnum)
if begin_lnum
if begin_lnum == open.lnum && begin_col < open.col
let result = 1
endif
else
let result = 1
endif
if result
break
endif
endwhile
call setpos('.', pos)
return result
endfunction
" Find and match a control tag in the given line, if one exists.
function s:FindECRControl(...)
let lnum = a:0 ? a:1 : line('.')
let open = { 'lnum': 0, 'col': 0 }
let close = { 'lnum': 0, 'col': 0 }
let pos = getcurpos()
call cursor(lnum, 1)
while search(s:ecr_control_open, 'cz', lnum)
let [open, close] = s:MatchECRControl()
if open.lnum
break
endif
endwhile
call setpos('.', pos)
return [open, close]
endfunction
" Find and match the previous control tag.
"
" This takes two arguments: the first is the line to start searching
" from (exclusive); the second is the line to stop searching at
" (inclusive).
function s:FindPrevECRControl(...)
if a:0 == 0
let start = line('.')
let stop = 1
elseif a:0 == 1
let start = a:1
let stop = 1
elseif a:0 == 2
let start = a:1
let stop = a:2
endif
let open = { 'lnum': 0, 'col': 0 }
let close = { 'lnum': 0, 'col': 0 }
let pos = getcurpos()
call cursor(start, 1)
let [lnum, col] = searchpos(s:ecr_close, 'bWz', stop)
if !lnum
call setpos('.', pos)
return [open, close]
endif
let [open, close] = s:MatchECRControl()
while !open.lnum
let [lnum, col] = searchpos(s:ecr_close, 'bWz', stop)
if !lnum
break
endif
let [open, close] = s:MatchECRControl()
endwhile
call setpos('.', pos)
return [open, close]
endfunction
" GetEcrystalIndent {{{1
" =================
function GetEcrystalIndent() abort
let prev_lnum = prevnonblank(v:lnum - 1)
if b:ecrystal_indent_multiline
let [open_tag_lnum, open_tag_col] = s:MatchECR()
else
let open_tag_lnum = 0
endif
if open_tag_lnum && open_tag_lnum < v:lnum
" If we are inside a multiline eCrystal tag...
let ind = indent(open_tag_lnum)
" If this line has a closing delimiter that isn't inside a string or
" comment, then we are done with this tag
if crystal#indent#Match(v:lnum, s:ecr_close)
return ind
endif
" All tag contents will have at least one indent
let ind += s:sw()
if open_tag_lnum == prev_lnum
" If this is the first line after the opening delimiter, then one
" indent is enough
return ind
elseif s:MatchAt(open_tag_lnum, open_tag_col, s:ecr_comment_open)[0]
" eCrystal comments shouldn't be indented any further
return ind
else
" Else, fall back to Crystal indentation...
let crystal_ind = GetCrystalIndent()
" But only if it isn't less than the default indentation for this
" tag
return crystal_ind < ind ? ind : crystal_ind
endif
else
let [prev_ecr_open, prev_ecr_close] = s:FindPrevECRControl(v:lnum, prev_lnum)
let [curr_ecr_open, curr_ecr_close] = s:FindECRControl()
let prev_is_ecr = prev_ecr_open.lnum != 0
let curr_is_ecr = curr_ecr_open.lnum != 0
let shift = 0
if prev_is_ecr
if s:ECRIndent(prev_ecr_open, prev_ecr_close)
let shift = 1
endif
endif
if curr_is_ecr
if s:ECRDedent(curr_ecr_open, curr_ecr_close)
if !b:ecrystal_align_end
let shift = shift ? 0 : -1
else
" Find the nearest previous control tag that starts an indent
" and align this one with that one
let end_tags = 0
let [open, close] = s:FindPrevECRControl()
while open.lnum
if s:ECRIndent(open, close)
if end_tags
let end_tags -= 1
else
return indent(open.lnum)
endif
elseif s:ECRDedent(open, close)
let end_tags += 1
endif
let [open, close] = s:FindPrevECRControl(open.lnum)
endwhile
endif
endif
endif
if shift
return indent(prev_lnum) + s:sw() * shift
else
exec 'return ' . b:ecrystal_subtype_indentexpr
endif
endif
endfunction
" GetEcrystalFold {{{1
" ===============
function GetEcrystalFold() abort
let fold = '='
let col = crystal#indent#Match(v:lnum, s:ecr_control_open)
if col
let [open, close] = s:MatchECRControl(v:lnum, col)
let starts_indent = s:ECRIndent(open, close)
let ends_indent = s:ECRDedent(open, close)
if starts_indent && !ends_indent
let fold = 'a1'
elseif ends_indent && !starts_indent
let fold = 's1'
endif
endif
return fold
endfunction
" }}}
" vim:fdm=marker
endif

2
indent/graphql.vim
View File

@@ -1,6 +1,6 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'graphql') == -1
" Copyright (c) 2016-2019 Jon Parise <jon@indelible.org>
" Copyright (c) 2016-2020 Jon Parise <jon@indelible.org>
"
" Permission is hereby granted, free of charge, to any person obtaining a copy
" of this software and associated documentation files (the "Software"), to

14
indent/julia.vim
View File

@@ -316,11 +316,17 @@ function GetJuliaIndent()
" Second scenario: some multiline bracketed expression was closed in the
" previous line. But since we know we are still in a bracketed expression,
" we need to find the line where the bracket was open
elseif last_closed_bracket != -1 " && exists("loaded_matchit")
" we use the % command to skip back (this is buggy without matchit, and
" is potentially a disaster if % got remapped)
elseif last_closed_bracket != -1
" we use the % command to skip back (tries to ues matchit if possible,
" otherwise resorts to vim's default, which is buggy but better than
" nothing)
call cursor(lnum, last_closed_bracket)
normal %
let percmap = maparg("%", "n")
if exists("g:loaded_matchit") && percmap =~# 'Match\%(it\|_wrapper\)'
normal %
else
normal! %
end
if line(".") == lnum
" something wrong here, give up
let ind = indent(lnum)

2
indent/plantuml.vim
View File

@@ -77,7 +77,7 @@ endfunction
function! s:getIncIndent() abort
" Function to determine the s:incIndent pattern
return
\ '^\s*\%(class\|object\|interface\|partition\|rectangle\|enum\|namespace\|package\)\>.*{\s*$\|' .
\ '^\s*\%(class\|entity\|object\|interface\|partition\|rectangle\|enum\|namespace\|package\)\>.*{\s*$\|' .
\ '^\s*\%(loop\|alt\|opt\|group\|critical\|else\|legend\|box\|if\|while\|fork\|split\)\>\|' .
\ '^\s*ref\>[^:]*$\|' .
\ '^\s*[hr]\?note\>\%(\%("[^"]*" \<as\>\)\@![^:]\)*$\|' .

6
indent/python.vim
View File

@@ -160,8 +160,8 @@ function! s:find_start_of_block(lnum, types, skip, multiple) abort
else
let re_skip = ''
endif
let lnum = a:lnum
let last_indent = indent(lnum) + 1
let last_indent = indent(a:lnum) + 1
let lnum = a:lnum - 1
while lnum > 0 && last_indent > 0
let indent = indent(lnum)
if indent < last_indent
@@ -262,7 +262,7 @@ function! s:indent_like_block(lnum)
endif
let [blocks, skip] = blocks_ignore
let indents = s:find_start_of_block(a:lnum - 1, blocks, skip, multiple)
let indents = s:find_start_of_block(a:lnum, blocks, skip, multiple)
if empty(indents)
return -1
endif