add cocoa.vim & swift.vim

sources_non_forked/swift.vim/indent/swift.vim

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