156 lines
4.3 KiB
VimL
156 lines
4.3 KiB
VimL
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'dart') == -1
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function! s:error(text) abort
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echohl Error
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echomsg printf('[dart-vim-plugin] %s', a:text)
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echohl None
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endfunction
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function! s:cexpr(errorformat, joined_lines) abort
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let temp_errorfomat = &errorformat
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try
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let &errorformat = a:errorformat
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cexpr a:joined_lines
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copen
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finally
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let &errorformat = temp_errorfomat
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endtry
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endfunction
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function! dart#fmt(q_args) abort
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if executable('dartfmt')
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let buffer_content = join(getline(1, '$'), "\n")
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let joined_lines = system(printf('dartfmt %s', a:q_args), buffer_content)
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if 0 == v:shell_error
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let win_view = winsaveview()
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let lines = split(joined_lines, "\n")
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silent keepjumps call setline(1, lines)
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if line('$') > len(lines)
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silent keepjumps execute string(len(lines)+1).',$ delete'
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endif
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call winrestview(win_view)
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else
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let errors = split(joined_lines, "\n")[2:]
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let file_path = expand('%')
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call map(errors, 'file_path.":".v:val')
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let error_format = '%A%f:line %l\, column %c of stdin: %m,%C%.%#'
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call s:cexpr(error_format, join(errors, "\n"))
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endif
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else
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call s:error('cannot execute binary file: dartfmt')
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endif
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endfunction
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function! dart#analyzer(q_args) abort
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if executable('dartanalyzer')
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let path = expand('%:p:gs:\:/:')
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if filereadable(path)
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let joined_lines = system(printf('dartanalyzer %s %s', a:q_args, shellescape(path)))
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call s:cexpr('%m (%f\, line %l\, col %c)', joined_lines)
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else
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call s:error(printf('cannot read a file: "%s"', path))
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endif
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else
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call s:error('cannot execute binary file: dartanalyzer')
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endif
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endfunction
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function! dart#tojs(q_args) abort
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if executable('dart2js')
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let path = expand('%:p:gs:\:/:')
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if filereadable(path)
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let joined_lines = system(printf('dart2js %s %s', a:q_args, shellescape(path)))
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call s:cexpr('%m (%f\, line %l\, col %c)', joined_lines)
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else
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call s:error(printf('cannot read a file: "%s"', path))
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endif
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else
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call s:error('cannot execute binary file: dartanalyzer')
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endif
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endfunction
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" Finds the path to `uri`.
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"
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" If the file is a package: uri, looks for a .packages file to resolve the path.
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" If the path cannot be resolved, or is not a package: uri, returns the
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" original.
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function! dart#resolveUri(uri) abort
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if a:uri !~ 'package:'
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return a:uri
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endif
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let package_name = substitute(a:uri, 'package:\(\w\+\)\/.*', '\1', '')
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let [found, package_map] = s:PackageMap()
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if !found
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call s:error('cannot find .packages file')
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return a:uri
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endif
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if !has_key(package_map, package_name)
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call s:error('no package mapping for '.package_name)
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return a:uri
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endif
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let package_lib = package_map[package_name]
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return substitute(a:uri,
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\ 'package:'.package_name,
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\ escape(package_map[package_name], '\'),
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\ '')
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endfunction
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" A map from package name to lib directory parse from a '.packages' file.
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"
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" Returns [found, package_map]
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function! s:PackageMap() abort
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let [found, dot_packages] = s:DotPackagesFile()
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if !found
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return [v:false, {}]
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endif
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let dot_packages_dir = fnamemodify(dot_packages, ':p:h')
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let lines = readfile(dot_packages)
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let map = {}
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for line in lines
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if line =~ '\s*#'
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continue
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endif
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let package = substitute(line, ':.*$', '', '')
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let lib_dir = substitute(line, '^[^:]*:', '', '')
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if lib_dir =~ 'file:/'
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let lib_dir = substitute(lib_dir, 'file://', '', '')
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if lib_dir =~ '/[A-Z]:/'
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let lib_dir = lib_dir[1:]
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endif
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else
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let lib_dir = resolve(dot_packages_dir.'/'.lib_dir)
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endif
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if lib_dir =~ '/$'
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let lib_dir = lib_dir[:len(lib_dir) - 2]
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endif
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let map[package] = lib_dir
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endfor
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return [v:true, map]
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endfunction
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" Finds a file name '.packages' in the cwd, or in any directory above the open
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" file.
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"
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" Returns [found, file].
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function! s:DotPackagesFile() abort
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if filereadable('.packages')
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return [v:true, '.packages']
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endif
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let dir_path = expand('%:p:h')
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while v:true
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let file_path = dir_path.'/.packages'
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if filereadable(file_path)
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return [v:true, file_path]
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endif
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let parent = fnamemodify(dir_path, ':h')
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if dir_path == parent
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break
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endif
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let dir_path = parent
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endwhile
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return [v:false, '']
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endfunction
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endif
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