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https://github.com/amix/vimrc
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add cocoa.vim & swift.vim
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238
sources_non_forked/swift.vim/indent/swift.vim
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238
sources_non_forked/swift.vim/indent/swift.vim
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" File: swift.vim
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" Author: Keith Smiley
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" Description: The indent file for Swift
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" Last Modified: December 05, 2014
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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let s:cpo_save = &cpo
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set cpo&vim
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setlocal nosmartindent
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setlocal indentkeys-=e
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setlocal indentkeys+=0]
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setlocal indentexpr=SwiftIndent()
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function! s:NumberOfMatches(char, string, index)
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let instances = 0
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let i = 0
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while i < strlen(a:string)
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if a:string[i] == a:char && !s:IsExcludedFromIndentAtPosition(a:index, i + 1)
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let instances += 1
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endif
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let i += 1
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endwhile
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return instances
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endfunction
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function! s:SyntaxNameAtPosition(line, column)
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return synIDattr(synID(a:line, a:column, 0), "name")
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endfunction
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function! s:SyntaxName()
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return s:SyntaxNameAtPosition(line("."), col("."))
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endfunction
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function! s:IsExcludedFromIndentAtPosition(line, column)
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let name = s:SyntaxNameAtPosition(a:line, a:column)
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return name ==# "swiftComment" || name ==# "swiftString"
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endfunction
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function! s:IsExcludedFromIndent()
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return s:SyntaxName() ==# "swiftComment" || s:SyntaxName() ==# "swiftString"
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endfunction
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function! s:IsCommentLine(lnum)
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return synIDattr(synID(a:lnum,
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\ match(getline(a:lnum), "\S") + 1, 0), "name")
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\ ==# "swiftComment"
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endfunction
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function! SwiftIndent(...)
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let clnum = a:0 ? a:1 : v:lnum
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let line = getline(clnum)
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let previousNum = prevnonblank(clnum - 1)
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while s:IsCommentLine(previousNum) != 0
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let previousNum = prevnonblank(previousNum - 1)
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endwhile
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let previous = getline(previousNum)
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let cindent = cindent(clnum)
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let previousIndent = indent(previousNum)
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let numOpenParens = s:NumberOfMatches("(", previous, previousNum)
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let numCloseParens = s:NumberOfMatches(")", previous, previousNum)
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let numOpenBrackets = s:NumberOfMatches("{", previous, previousNum)
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let numCloseBrackets = s:NumberOfMatches("}", previous, previousNum)
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let currentOpenBrackets = s:NumberOfMatches("{", line, clnum)
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let currentCloseBrackets = s:NumberOfMatches("}", line, clnum)
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let numOpenSquare = s:NumberOfMatches("[", previous, previousNum)
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let numCloseSquare = s:NumberOfMatches("]", previous, previousNum)
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let currentCloseSquare = s:NumberOfMatches("]", line, clnum)
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if numOpenSquare > numCloseSquare && currentCloseSquare < 1
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return previousIndent + shiftwidth()
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endif
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if currentCloseSquare > 0 && line !~ '\v\[.*\]'
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let column = col(".")
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call cursor(line("."), 1)
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let openingSquare = searchpair("\\[", "", "\\]", "bWn", "s:IsExcludedFromIndent()")
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call cursor(line("."), column)
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if openingSquare == 0
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return -1
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endif
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" - Line starts with closing square, indent as opening square
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if line =~ '\v^\s*]'
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return indent(openingSquare)
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endif
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" - Line contains closing square and more, indent a level above opening
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return indent(openingSquare) + shiftwidth()
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endif
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if line =~ ":$"
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let switch = search("switch", "bWn")
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return indent(switch)
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elseif previous =~ ":$"
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return previousIndent + shiftwidth()
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endif
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if numOpenParens == numCloseParens
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if numOpenBrackets > numCloseBrackets
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if currentCloseBrackets > currentOpenBrackets || line =~ "\\v^\\s*}"
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let column = col(".")
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call cursor(line("."), 1)
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let openingBracket = searchpair("{", "", "}", "bWn", "s:IsExcludedFromIndent()")
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call cursor(line("."), column)
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if openingBracket == 0
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return -1
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else
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return indent(openingBracket)
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endif
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endif
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return previousIndent + shiftwidth()
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elseif previous =~ "}.*{"
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if line =~ "\\v^\\s*}"
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return previousIndent
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endif
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return previousIndent + shiftwidth()
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elseif line =~ "}.*{"
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let openingBracket = searchpair("{", "", "}", "bWn", "s:IsExcludedFromIndent()")
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return indent(openingBracket)
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elseif currentCloseBrackets > currentOpenBrackets
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let column = col(".")
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call cursor(line("."), 1)
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let openingBracket = searchpair("{", "", "}", "bWn", "s:IsExcludedFromIndent()")
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call cursor(line("."), column)
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let bracketLine = getline(openingBracket)
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let numOpenParensBracketLine = s:NumberOfMatches("(", bracketLine, openingBracket)
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let numCloseParensBracketLine = s:NumberOfMatches(")", bracketLine, openingBracket)
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if numCloseParensBracketLine > numOpenParensBracketLine
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let line = line(".")
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let column = col(".")
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call cursor(openingParen, column)
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let openingParen = searchpair("(", "", ")", "bWn", "s:IsExcludedFromIndent()")
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call cursor(line, column)
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return indent(openingParen)
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endif
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return indent(openingBracket)
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else
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" - Current line is blank, and the user presses 'o'
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return previousIndent
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endif
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endif
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if numCloseParens > 0
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if currentOpenBrackets > 0 || currentCloseBrackets > 0
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if currentOpenBrackets > 0
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if numOpenBrackets > numCloseBrackets
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return previousIndent + shiftwidth()
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endif
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if line =~ "}.*{"
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let openingBracket = searchpair("{", "", "}", "bWn", "s:IsExcludedFromIndent()")
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return indent(openingBracket)
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endif
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if numCloseParens > numOpenParens
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let line = line(".")
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let column = col(".")
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call cursor(line - 1, column)
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let openingParen = searchpair("(", "", ")", "bWn", "s:IsExcludedFromIndent()")
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call cursor(line, column)
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return indent(openingParen)
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endif
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return previousIndent
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endif
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if currentCloseBrackets > 0
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let openingBracket = searchpair("{", "", "}", "bWn", "s:IsExcludedFromIndent()")
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return indent(openingBracket)
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endif
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return cindent
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endif
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if numCloseParens < numOpenParens
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if numOpenBrackets > numCloseBrackets
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return previousIndent + shiftwidth()
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endif
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let previousParen = match(previous, "(")
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return indent(previousParen) + shiftwidth()
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endif
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if numOpenBrackets > numCloseBrackets
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let line = line(".")
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let column = col(".")
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call cursor(previousNum, column)
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let openingParen = searchpair("(", "", ")", "bWn", "s:IsExcludedFromIndent()")
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call cursor(line, column)
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return indent(openingParen) + shiftwidth()
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endif
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" - Previous line has close then open braces, indent previous + 1 'sw'
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if previous =~ "}.*{"
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return previousIndent + shiftwidth()
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endif
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let line = line(".")
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let column = col(".")
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call cursor(previousNum, column)
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let openingParen = searchpair("(", "", ")", "bWn", "s:IsExcludedFromIndent()")
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call cursor(line, column)
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return indent(openingParen)
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endif
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" - Line above has (unmatched) open paren, next line needs indent
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if numOpenParens > 0
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let savePosition = getcurpos()
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" Must be at EOL because open paren has to be above (left of) the cursor
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call cursor(previousNum, col("$"))
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let previousParen = searchpair("(", "", ")", "bWn", "s:IsExcludedFromIndent()")
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call setpos(".", savePosition)
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return indent(previousParen) + shiftwidth()
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endif
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return cindent
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endfunction
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let &cpo = s:cpo_save
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unlet s:cpo_save
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