100 lines
3.1 KiB
VimL
100 lines
3.1 KiB
VimL
" =============================================================================
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"
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" Program: CMake - Cross-Platform Makefile Generator
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" Module: $RCSfile$
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" Language: C++
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" Date: $Date$
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" Version: $Revision$
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"
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" Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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" See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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"
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" This software is distributed WITHOUT ANY WARRANTY" without even
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" the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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" PURPOSE. See the above copyright notices for more information.
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"
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" =============================================================================
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" Vim indent file
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" Language: CMake (ft=cmake)
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" Author: Andy Cedilnik <andy.cedilnik@kitware.com>
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" Maintainer: Andy Cedilnik <andy.cedilnik@kitware.com>
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" Last Change: $Date$
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" Version: $Revision$
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"
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" Licence: This program is free software; you can redistribute it
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" and/or modify it under the terms of the CMake
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" License. See http://www.cmake.org/HTML/Copyright.html
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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setlocal indentexpr=CMakeGetIndent(v:lnum)
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" Only define the function once.
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if exists("*CMakeGetIndent")
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finish
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endif
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fun! CMakeGetIndent(lnum)
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let this_line = getline(a:lnum)
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" Find a non-blank line above the current line.
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let lnum = a:lnum
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let lnum = prevnonblank(lnum - 1)
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let previous_line = getline(lnum)
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" Hit the start of the file, use zero indent.
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if lnum == 0
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return 0
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endif
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let ind = indent(lnum)
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let or = '\|'
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" Regular expressions used by line indentation function.
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let cmake_regex_comment = '#.*'
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let cmake_regex_identifier = '[A-Za-z][A-Za-z0-9_]*'
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let cmake_regex_quoted = '"\([^"\\]\|\\.\)*"'
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let cmake_regex_arguments = '\(' . cmake_regex_quoted .
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\ or . '\$(' . cmake_regex_identifier . ')' .
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\ or . '[^()\\#"]' . or . '\\.' . '\)*'
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let cmake_indent_comment_line = '^\s*' . cmake_regex_comment
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let cmake_indent_blank_regex = '^\s*$')
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let cmake_indent_open_regex = '^\s*' . cmake_regex_identifier .
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\ '\s*(' . cmake_regex_arguments .
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\ '\(' . cmake_regex_comment . '\)\?$'
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let cmake_indent_close_regex = '^' . cmake_regex_arguments .
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\ ')\s*' .
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\ '\(' . cmake_regex_comment . '\)\?$'
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let cmake_indent_begin_regex = '^\s*\(IF\|MACRO\|FOREACH\|ELSE\)\s*('
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let cmake_indent_end_regex = '^\s*\(ENDIF\|ENDFOREACH\|ENDMACRO\|ELSE\)\s*('
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" Add
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if previous_line =~? cmake_indent_comment_line " Handle comments
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let ind = ind
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else
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if previous_line =~? cmake_indent_begin_regex
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let ind = ind + &sw
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endif
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if previous_line =~? cmake_indent_open_regex
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let ind = ind + &sw
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endif
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endif
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" Subtract
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if this_line =~? cmake_indent_end_regex
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let ind = ind - &sw
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endif
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if previous_line =~? cmake_indent_close_regex
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let ind = ind - &sw
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endif
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return ind
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endfun
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