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Diffstat (limited to '')
| -rw-r--r-- | indent/cmake.vim | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/indent/cmake.vim b/indent/cmake.vim new file mode 100644 index 00000000..f67a14d2 --- /dev/null +++ b/indent/cmake.vim @@ -0,0 +1,93 @@ +if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'vim') == -1 + +" Vim indent file +" Language: CMake (ft=cmake) +" Author: Andy Cedilnik <andy.cedilnik@kitware.com> +" Maintainer: Dimitri Merejkowsky <d.merej@gmail.com> +" Former Maintainer: Karthik Krishnan <karthik.krishnan@kitware.com> +" Last Change: 2017 Aug 30 +" +" Licence: The CMake license applies to this file. See +" https://cmake.org/licensing +" This implies that distribution with Vim is allowed + +if exists("b:did_indent") + finish +endif +let b:did_indent = 1 + +setlocal et +setlocal indentexpr=CMakeGetIndent(v:lnum) +setlocal indentkeys+==ENDIF(,ENDFOREACH(,ENDMACRO(,ELSE(,ELSEIF(,ENDWHILE( + +" Only define the function once. +if exists("*CMakeGetIndent") + finish +endif +let s:keepcpo= &cpo +set cpo&vim + +fun! CMakeGetIndent(lnum) + let this_line = getline(a:lnum) + + " Find a non-blank line above the current line. + let lnum = a:lnum + let lnum = prevnonblank(lnum - 1) + let previous_line = getline(lnum) + + " Hit the start of the file, use zero indent. + if lnum == 0 + return 0 + endif + + let ind = indent(lnum) + + let or = '\|' + " Regular expressions used by line indentation function. + let cmake_regex_comment = '#.*' + let cmake_regex_identifier = '[A-Za-z][A-Za-z0-9_]*' + let cmake_regex_quoted = '"\([^"\\]\|\\.\)*"' + let cmake_regex_arguments = '\(' . cmake_regex_quoted . + \ or . '\$(' . cmake_regex_identifier . ')' . + \ or . '[^()\\#"]' . or . '\\.' . '\)*' + + let cmake_indent_comment_line = '^\s*' . cmake_regex_comment + let cmake_indent_blank_regex = '^\s*$' + let cmake_indent_open_regex = '^\s*' . cmake_regex_identifier . + \ '\s*(' . cmake_regex_arguments . + \ '\(' . cmake_regex_comment . '\)\?$' + + let cmake_indent_close_regex = '^' . cmake_regex_arguments . + \ ')\s*' . + \ '\(' . cmake_regex_comment . '\)\?$' + + let cmake_indent_begin_regex = '^\s*\(IF\|MACRO\|FOREACH\|ELSE\|ELSEIF\|WHILE\|FUNCTION\)\s*(' + let cmake_indent_end_regex = '^\s*\(ENDIF\|ENDFOREACH\|ENDMACRO\|ELSE\|ELSEIF\|ENDWHILE\|ENDFUNCTION\)\s*(' + + " Add + if previous_line =~? cmake_indent_comment_line " Handle comments + let ind = ind + else + if previous_line =~? cmake_indent_begin_regex + let ind = ind + &sw + endif + if previous_line =~? cmake_indent_open_regex + let ind = ind + &sw + endif + endif + + " Subtract + if this_line =~? cmake_indent_end_regex + let ind = ind - &sw + endif + if previous_line =~? cmake_indent_close_regex + let ind = ind - &sw + endif + + return ind +endfun + +let &cpo = s:keepcpo +unlet s:keepcpo + +endif |