| " Vim indent file |
| " Language: Eiffel |
| " Maintainer: Jocelyn Fiat <eiffel@djoce.net> |
| " Previous-Maintainer: David Clarke <gadicath@dishevelled.net> |
| " $Date$ |
| " $Revision$ |
| " URL: http://www.djoce.net/page/vim/ |
| " Last Change: 2004 Sept 14 : removed specific value for tab (sw) |
| |
| " Only load this indent file when no other was loaded. |
| if exists("b:did_indent") |
| finish |
| endif |
| let b:did_indent = 1 |
| |
| setlocal indentexpr=GetEiffelIndent() |
| setlocal nolisp |
| setlocal nosmartindent |
| setlocal nocindent |
| setlocal autoindent |
| setlocal comments=:-- |
| setlocal indentkeys+==end,=else,=ensure,=require,=check,=loop,=until |
| setlocal indentkeys+==creation,=feature,=inherit,=class,=is,=redefine,=rename,=variant |
| setlocal indentkeys+==invariant,=do,=local,=export |
| |
| " Define some stuff |
| " keywords grouped by indenting |
| let s:trust_user_indent = '\(+\)\(\s*\(--\).*\)\=$' |
| let s:relative_indent = '^\s*\(deferred\|class\|feature\|creation\|inherit\|loop\|from\|until\|if\|else\|elseif\|ensure\|require\|check\|do\|local\|invariant\|variant\|rename\|redefine\|do\|export\)\>' |
| let s:outdent = '^\s*\(else\|invariant\|variant\|do\|require\|until\|loop\|local\)\>' |
| let s:no_indent = '^\s*\(class\|feature\|creation\|inherit\)\>' |
| let s:single_dent = '^[^-]\+[[:alnum:]]\+ is\(\s*\(--\).*\)\=$' |
| let s:inheritance_dent = '\s*\(redefine\|rename\|export\)\>' |
| |
| |
| " Only define the function once. |
| if exists("*GetEiffelIndent") |
| finish |
| endif |
| |
| function GetEiffelIndent() |
| |
| " Eiffel Class indenting |
| " |
| " Find a non-blank line above the current line. |
| let lnum = prevnonblank(v:lnum - 1) |
| |
| " At the start of the file use zero indent. |
| if lnum == 0 |
| return 0 |
| endif |
| |
| " trust the user's indenting |
| if getline(lnum) =~ s:trust_user_indent |
| return -1 |
| endif |
| |
| " Add a 'shiftwidth' after lines that start with an indent word |
| let ind = indent(lnum) |
| if getline(lnum) =~ s:relative_indent |
| let ind = ind + &sw |
| endif |
| |
| " Indent to single indent |
| if getline(v:lnum) =~ s:single_dent && getline(v:lnum) !~ s:relative_indent |
| \ && getline(v:lnum) !~ '\s*\<\(and\|or\|implies\)\>' |
| let ind = &sw |
| endif |
| |
| " Indent to double indent |
| if getline(v:lnum) =~ s:inheritance_dent |
| let ind = 2 * &sw |
| endif |
| |
| " Indent line after the first line of the function definition |
| if getline(lnum) =~ s:single_dent |
| let ind = ind + &sw |
| endif |
| |
| " The following should always be at the start of a line, no indenting |
| if getline(v:lnum) =~ s:no_indent |
| let ind = 0 |
| endif |
| |
| " Subtract a 'shiftwidth', if this isn't the first thing after the 'is' |
| " or first thing after the 'do' |
| if getline(v:lnum) =~ s:outdent && getline(v:lnum - 1) !~ s:single_dent |
| \ && getline(v:lnum - 1) !~ '^\s*do\>' |
| let ind = ind - &sw |
| endif |
| |
| " Subtract a shiftwidth for end statements |
| if getline(v:lnum) =~ '^\s*end\>' |
| let ind = ind - &sw |
| endif |
| |
| " set indent of zero end statements that are at an indent of 3, this should |
| " only ever be the class's end. |
| if getline(v:lnum) =~ '^\s*end\>' && ind == &sw |
| let ind = 0 |
| endif |
| |
| return ind |
| endfunction |
| |
| " vim:sw=2 |
