| " Vim indent file |
| " Language: CMake (ft=cmake) |
| " Author: Andy Cedilnik <[email protected]> |
| " Maintainer: Dimitri Merejkowsky <d.merej@gmail.com> |
| " Former Maintainer: Karthik Krishnan <[email protected]> |
| " 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 |
| |
| let s:keepcpo= &cpo |
| set cpo&vim |
| |
| setlocal indentexpr=CMakeGetIndent(v:lnum) |
| setlocal indentkeys+==ENDIF(,ENDFOREACH(,ENDMACRO(,ELSE(,ELSEIF(,ENDWHILE( |
| |
| " Only define the function once. |
| if exists("*CMakeGetIndent") |
| finish |
| endif |
| |
| 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 + shiftwidth() |
| endif |
| if previous_line =~? cmake_indent_open_regex |
| let ind = ind + shiftwidth() |
| endif |
| endif |
| |
| " Subtract |
| if this_line =~? cmake_indent_end_regex |
| let ind = ind - shiftwidth() |
| endif |
| if previous_line =~? cmake_indent_close_regex |
| let ind = ind - shiftwidth() |
| endif |
| |
| return ind |
| endfun |
| |
| let &cpo = s:keepcpo |
| unlet s:keepcpo |
