forked from github-mirrors/ale
94 lines
2.8 KiB
VimL
94 lines
2.8 KiB
VimL
" Author: gagbo <gagbobada@gmail.com>, w0rp <devw0rp@gmail.com>
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" Description: Functions for integrating with C-family linters.
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let s:sep = has('win32') ? '\' : '/'
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function! ale#c#FindProjectRoot(buffer) abort
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for l:project_filename in ['.git/HEAD', 'configure', 'Makefile', 'CMakeLists.txt']
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let l:full_path = ale#path#FindNearestFile(a:buffer, l:project_filename)
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if !empty(l:full_path)
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let l:path = fnamemodify(l:full_path, ':h')
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" Correct .git path detection.
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if fnamemodify(l:path, ':t') is# '.git'
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let l:path = fnamemodify(l:path, ':h')
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endif
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return l:path
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endif
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endfor
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return ''
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endfunction
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" Given a buffer number, search for a project root, and output a List
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" of directories to include based on some heuristics.
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"
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" For projects with headers in the project root, the project root will
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" be returned.
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"
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" For projects with an 'include' directory, that directory will be returned.
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function! ale#c#FindLocalHeaderPaths(buffer) abort
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let l:project_root = ale#c#FindProjectRoot(a:buffer)
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if empty(l:project_root)
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return []
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endif
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" See if we can find .h files directory in the project root.
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" If we can, that's our include directory.
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if !empty(globpath(l:project_root, '*.h', 0))
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return [l:project_root]
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endif
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" Look for .hpp files too.
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if !empty(globpath(l:project_root, '*.hpp', 0))
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return [l:project_root]
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endif
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" If we find an 'include' directory in the project root, then use that.
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if isdirectory(l:project_root . '/include')
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return [ale#path#Simplify(l:project_root . s:sep . 'include')]
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endif
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return []
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endfunction
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" Given a List of include paths, create a string containing the -I include
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" options for those paths, with the paths escaped for use in the shell.
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function! ale#c#IncludeOptions(include_paths) abort
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let l:option_list = []
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for l:path in a:include_paths
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call add(l:option_list, '-I' . ale#Escape(l:path))
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endfor
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if empty(l:option_list)
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return ''
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endif
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return ' ' . join(l:option_list) . ' '
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endfunction
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let g:ale_c_build_dir_names = get(g:, 'ale_c_build_dir_names', [
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\ 'build',
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\ 'bin',
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\])
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" Given a buffer number, find the build subdirectory with compile commands
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" The subdirectory is returned without the trailing /
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function! ale#c#FindCompileCommands(buffer) abort
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for l:path in ale#path#Upwards(expand('#' . a:buffer . ':p:h'))
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for l:dirname in ale#Var(a:buffer, 'c_build_dir_names')
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let l:c_build_dir = l:path . s:sep . l:dirname
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if filereadable(l:c_build_dir . '/compile_commands.json')
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return l:c_build_dir
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endif
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endfor
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endfor
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return ''
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endfunction
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