Mercurial > vim
diff runtime/indent/java.vim @ 7:3fc0f57ecb91 v7.0001
updated for version 7.0001
author | vimboss |
---|---|
date | Sun, 13 Jun 2004 20:20:40 +0000 |
parents | |
children | 404aac550f35 |
line wrap: on
line diff
new file mode 100644 --- /dev/null +++ b/runtime/indent/java.vim @@ -0,0 +1,128 @@ +" Vim indent file +" Language: Java +" Maintainer: Toby Allsopp <toby.allsopp@peace.com> +" Last Change: 2003 Oct 21 + +" Only load this indent file when no other was loaded. +if exists("b:did_indent") + finish +endif +let b:did_indent = 1 + +" Indent Java anonymous classes correctly. +setlocal cinoptions& cinoptions+=j1 + +" The "extends" and "implements" lines start off with the wrong indent. +setlocal indentkeys& indentkeys+=0=extends indentkeys+=0=implements + +" Set the function to do the work. +setlocal indentexpr=GetJavaIndent() + +" Only define the function once. +if exists("*GetJavaIndent") + finish +endif + +function! SkipJavaBlanksAndComments(startline) + let lnum = a:startline + while lnum > 1 + let lnum = prevnonblank(lnum) + if getline(lnum) =~ '\*/\s*$' + while getline(lnum) !~ '/\*' && lnum > 1 + let lnum = lnum - 1 + endwhile + if getline(lnum) =~ '^\s*/\*' + let lnum = lnum - 1 + else + break + endif + elseif getline(lnum) =~ '^\s*//' + let lnum = lnum - 1 + else + break + endif + endwhile + return lnum +endfunction + +function GetJavaIndent() + + " Java is just like C; use the built-in C indenting and then correct a few + " specific cases. + let theIndent = cindent(v:lnum) + + " If we're in the middle of a comment then just trust cindent + if getline(v:lnum) =~ '^\s*\*' + return theIndent + endif + + " find start of previous line, in case it was a continuation line + let lnum = SkipJavaBlanksAndComments(v:lnum - 1) + let prev = lnum + while prev > 1 + let next_prev = SkipJavaBlanksAndComments(prev - 1) + if getline(next_prev) !~ ',\s*$' + break + endif + let prev = next_prev + endwhile + + " Try to align "throws" lines for methods and "extends" and "implements" for + " classes. + if getline(v:lnum) =~ '^\s*\(extends\|implements\)\>' + \ && getline(lnum) !~ '^\s*\(extends\|implements\)\>' + let theIndent = theIndent + &sw + endif + + " correct for continuation lines of "throws", "implements" and "extends" + let cont_kw = matchstr(getline(prev), + \ '^\s*\zs\(throws\|implements\|extends\)\>\ze.*,\s*$') + if strlen(cont_kw) > 0 + let amount = strlen(cont_kw) + 1 + if getline(lnum) !~ ',\s*$' + let theIndent = theIndent - (amount + &sw) + if theIndent < 0 + let theIndent = 0 + endif + elseif prev == lnum + let theIndent = theIndent + amount + if cont_kw ==# 'throws' + let theIndent = theIndent + &sw + endif + endif + elseif getline(prev) =~ '^\s*\(throws\|implements\|extends\)\>' + \ && (getline(prev) =~ '{\s*$' + \ || getline(v:lnum) =~ '^\s*{\s*$') + let theIndent = theIndent - &sw + endif + + " When the line starts with a }, try aligning it with the matching {, + " skipping over "throws", "extends" and "implements" clauses. + if getline(v:lnum) =~ '^\s*}\s*\(//.*\|/\*.*\)\=$' + call cursor(v:lnum, 1) + silent normal % + let lnum = line('.') + if lnum < v:lnum + while lnum > 1 + let next_lnum = SkipJavaBlanksAndComments(lnum - 1) + if getline(lnum) !~ '^\s*\(throws\|extends\|implements\)\>' + \ && getline(next_lnum) !~ ',\s*$' + break + endif + let lnum = prevnonblank(next_lnum) + endwhile + return indent(lnum) + endif + endif + + " Below a line starting with "}" never indent more. Needed for a method + " below a method with an indented "throws" clause. + let lnum = SkipJavaBlanksAndComments(v:lnum - 1) + if getline(lnum) =~ '^\s*}\s*\(//.*\|/\*.*\)\=$' && indent(lnum) < theIndent + let theIndent = indent(lnum) + endif + + return theIndent +endfunction + +" vi: sw=2 et