vimrc/sources_non_forked/ale/autoload/ale/linter.vim
2023-04-01 22:48:04 +02:00

462 lines
15 KiB
VimL

" Author: w0rp <devw0rp@gmail.com>
" Description: Linter registration and lazy-loading
" Retrieves linters as requested by the engine, loading them if needed.
let s:runtime_loaded_map = {}
let s:linters = {}
" Default filetype aliases.
" The user defined aliases will be merged with this Dictionary.
"
" NOTE: Update the g:ale_linter_aliases documentation when modifying this.
let s:default_ale_linter_aliases = {
\ 'Dockerfile': 'dockerfile',
\ 'csh': 'sh',
\ 'javascriptreact': ['javascript', 'jsx'],
\ 'plaintex': 'tex',
\ 'ps1': 'powershell',
\ 'rmarkdown': 'r',
\ 'rmd': 'r',
\ 'systemverilog': 'verilog',
\ 'typescriptreact': ['typescript', 'tsx'],
\ 'vader': ['vim', 'vader'],
\ 'verilog_systemverilog': ['verilog_systemverilog', 'verilog'],
\ 'vimwiki': 'markdown',
\ 'vue': ['vue', 'javascript'],
\ 'xsd': ['xsd', 'xml'],
\ 'xslt': ['xslt', 'xml'],
\ 'zsh': 'sh',
\}
" Default linters to run for particular filetypes.
" The user defined linter selections will be merged with this Dictionary.
"
" No linters are used for plaintext files by default.
"
" Only cargo and rls are enabled for Rust by default.
" rpmlint is disabled by default because it can result in code execution.
" hhast is disabled by default because it executes code in the project root.
"
" NOTE: Update the g:ale_linters documentation when modifying this.
let s:default_ale_linters = {
\ 'apkbuild': ['apkbuild_lint', 'secfixes_check'],
\ 'csh': ['shell'],
\ 'elixir': ['credo', 'dialyxir', 'dogma'],
\ 'go': ['gofmt', 'golint', 'gopls', 'govet'],
\ 'hack': ['hack'],
\ 'help': [],
\ 'inko': ['inko'],
\ 'json': ['jsonlint', 'spectral', 'vscodejson'],
\ 'json5': [],
\ 'jsonc': [],
\ 'perl': ['perlcritic'],
\ 'perl6': [],
\ 'python': ['flake8', 'mypy', 'pylint', 'pyright', 'ruff'],
\ 'rust': ['cargo', 'rls'],
\ 'spec': [],
\ 'text': [],
\ 'vader': ['vimls'],
\ 'vue': ['eslint', 'vls'],
\ 'zsh': ['shell'],
\ 'v': ['v'],
\ 'yaml': ['spectral', 'yaml-language-server', 'yamllint'],
\}
" Testing/debugging helper to unload all linters.
function! ale#linter#Reset() abort
let s:runtime_loaded_map = {}
let s:linters = {}
endfunction
" Return a reference to the linters loaded.
" This is only for tests.
" Do not call this function.
function! ale#linter#GetLintersLoaded() abort
" This command will throw from the sandbox.
let &l:equalprg=&l:equalprg
return s:linters
endfunction
function! s:IsCallback(value) abort
return type(a:value) is v:t_string || type(a:value) is v:t_func
endfunction
function! s:IsBoolean(value) abort
return type(a:value) is v:t_number && (a:value == 0 || a:value == 1)
endfunction
function! ale#linter#PreProcess(filetype, linter) abort
if type(a:linter) isnot v:t_dict
throw 'The linter object must be a Dictionary'
endif
let l:obj = {
\ 'name': get(a:linter, 'name'),
\ 'lsp': get(a:linter, 'lsp', ''),
\}
if type(l:obj.name) isnot v:t_string
throw '`name` must be defined to name the linter'
endif
let l:needs_address = l:obj.lsp is# 'socket'
let l:needs_executable = l:obj.lsp isnot# 'socket'
let l:needs_command = l:obj.lsp isnot# 'socket'
let l:needs_lsp_details = !empty(l:obj.lsp)
if empty(l:obj.lsp)
let l:obj.callback = get(a:linter, 'callback')
if !s:IsCallback(l:obj.callback)
throw '`callback` must be defined with a callback to accept output'
endif
endif
if index(['', 'socket', 'stdio', 'tsserver'], l:obj.lsp) < 0
throw '`lsp` must be either `''lsp''`, `''stdio''`, `''socket''` or `''tsserver''` if defined'
endif
if !l:needs_executable
if has_key(a:linter, 'executable')
throw '`executable` cannot be used when lsp == ''socket'''
endif
elseif has_key(a:linter, 'executable')
let l:obj.executable = a:linter.executable
if type(l:obj.executable) isnot v:t_string
\&& type(l:obj.executable) isnot v:t_func
throw '`executable` must be a String or Function if defined'
endif
else
throw '`executable` must be defined'
endif
if !l:needs_command
if has_key(a:linter, 'command')
throw '`command` cannot be used when lsp == ''socket'''
endif
elseif has_key(a:linter, 'command')
let l:obj.command = a:linter.command
if type(l:obj.command) isnot v:t_string
\&& type(l:obj.command) isnot v:t_func
throw '`command` must be a String or Function if defined'
endif
else
throw '`command` must be defined'
endif
if !l:needs_address
if has_key(a:linter, 'address')
throw '`address` cannot be used when lsp != ''socket'''
endif
elseif has_key(a:linter, 'address')
if type(a:linter.address) isnot v:t_string
\&& type(a:linter.address) isnot v:t_func
throw '`address` must be a String or Function if defined'
endif
let l:obj.address = a:linter.address
if has_key(a:linter, 'cwd')
throw '`cwd` makes no sense for socket LSP connections'
endif
else
throw '`address` must be defined for getting the LSP address'
endif
if has_key(a:linter, 'cwd')
let l:obj.cwd = a:linter.cwd
if type(l:obj.cwd) isnot v:t_string
\&& type(l:obj.cwd) isnot v:t_func
throw '`cwd` must be a String or Function if defined'
endif
endif
if l:needs_lsp_details
" Default to using the filetype as the language.
let l:obj.language = get(a:linter, 'language', a:filetype)
if type(l:obj.language) isnot v:t_string
\&& type(l:obj.language) isnot v:t_func
throw '`language` must be a String or Function if defined'
endif
if has_key(a:linter, 'project_root')
let l:obj.project_root = a:linter.project_root
if type(l:obj.project_root) isnot v:t_string
\&& type(l:obj.project_root) isnot v:t_func
throw '`project_root` must be a String or Function'
endif
else
throw '`project_root` must be defined for LSP linters'
endif
if has_key(a:linter, 'completion_filter')
let l:obj.completion_filter = a:linter.completion_filter
if !s:IsCallback(l:obj.completion_filter)
throw '`completion_filter` must be a callback'
endif
endif
if has_key(a:linter, 'initialization_options')
let l:obj.initialization_options = a:linter.initialization_options
if type(l:obj.initialization_options) isnot v:t_dict
\&& type(l:obj.initialization_options) isnot v:t_func
throw '`initialization_options` must be a Dictionary or Function if defined'
endif
endif
if has_key(a:linter, 'lsp_config')
if type(a:linter.lsp_config) isnot v:t_dict
\&& type(a:linter.lsp_config) isnot v:t_func
throw '`lsp_config` must be a Dictionary or Function if defined'
endif
let l:obj.lsp_config = a:linter.lsp_config
endif
endif
let l:obj.output_stream = get(a:linter, 'output_stream', 'stdout')
if type(l:obj.output_stream) isnot v:t_string
\|| index(['stdout', 'stderr', 'both'], l:obj.output_stream) < 0
throw "`output_stream` must be 'stdout', 'stderr', or 'both'"
endif
" An option indicating that this linter should only be run against the
" file on disk.
let l:obj.lint_file = get(a:linter, 'lint_file', 0)
if !s:IsBoolean(l:obj.lint_file) && type(l:obj.lint_file) isnot v:t_func
throw '`lint_file` must be `0`, `1`, or a Function'
endif
" An option indicating that the buffer should be read.
let l:obj.read_buffer = get(a:linter, 'read_buffer', 1)
if !s:IsBoolean(l:obj.read_buffer)
throw '`read_buffer` must be `0` or `1`'
endif
let l:obj.aliases = get(a:linter, 'aliases', [])
if type(l:obj.aliases) isnot v:t_list
\|| len(filter(copy(l:obj.aliases), 'type(v:val) isnot v:t_string')) > 0
throw '`aliases` must be a List of String values'
endif
return l:obj
endfunction
function! ale#linter#Define(filetype, linter) abort
" This command will throw from the sandbox.
let &l:equalprg=&l:equalprg
let l:new_linter = ale#linter#PreProcess(a:filetype, a:linter)
if !has_key(s:linters, a:filetype)
let s:linters[a:filetype] = []
endif
" Remove previously defined linters with the same name.
call filter(s:linters[a:filetype], 'v:val.name isnot# a:linter.name')
call add(s:linters[a:filetype], l:new_linter)
endfunction
" Prevent any linters from being loaded for a given filetype.
function! ale#linter#PreventLoading(filetype) abort
let s:runtime_loaded_map[a:filetype] = 1
endfunction
function! ale#linter#GetAll(filetypes) abort
" Don't return linters in the sandbox.
" Otherwise a sandboxed script could modify them.
if ale#util#InSandbox()
return []
endif
let l:combined_linters = []
for l:filetype in a:filetypes
" Load linters from runtimepath if we haven't done that yet.
if !has_key(s:runtime_loaded_map, l:filetype)
execute 'silent! runtime! ale_linters/' . l:filetype . '/*.vim'
let s:runtime_loaded_map[l:filetype] = 1
endif
call extend(l:combined_linters, get(s:linters, l:filetype, []))
endfor
return l:combined_linters
endfunction
function! s:GetAliasedFiletype(original_filetype) abort
let l:buffer_aliases = get(b:, 'ale_linter_aliases', {})
" b:ale_linter_aliases can be set to a List or String.
if type(l:buffer_aliases) is v:t_list
\|| type(l:buffer_aliases) is v:t_string
return l:buffer_aliases
endif
" Check for aliased filetypes first in a buffer variable,
" then the global variable,
" then in the default mapping,
" otherwise use the original filetype.
for l:dict in [
\ l:buffer_aliases,
\ g:ale_linter_aliases,
\ s:default_ale_linter_aliases,
\]
if has_key(l:dict, a:original_filetype)
return l:dict[a:original_filetype]
endif
endfor
return a:original_filetype
endfunction
function! ale#linter#ResolveFiletype(original_filetype) abort
let l:filetype = s:GetAliasedFiletype(a:original_filetype)
if type(l:filetype) isnot v:t_list
return [l:filetype]
endif
return l:filetype
endfunction
function! s:GetLinterNames(original_filetype) abort
let l:buffer_ale_linters = get(b:, 'ale_linters', {})
" b:ale_linters can be set to 'all'
if l:buffer_ale_linters is# 'all'
return 'all'
endif
" b:ale_linters can be set to a List.
if type(l:buffer_ale_linters) is v:t_list
return l:buffer_ale_linters
endif
" Try to get a buffer-local setting for the filetype
if has_key(l:buffer_ale_linters, a:original_filetype)
return l:buffer_ale_linters[a:original_filetype]
endif
" Try to get a global setting for the filetype
if has_key(g:ale_linters, a:original_filetype)
return g:ale_linters[a:original_filetype]
endif
" If the user has configured ALE to only enable linters explicitly, then
" don't enable any linters by default.
if g:ale_linters_explicit
return []
endif
" Try to get a default setting for the filetype
if has_key(s:default_ale_linters, a:original_filetype)
return s:default_ale_linters[a:original_filetype]
endif
return 'all'
endfunction
function! ale#linter#Get(original_filetypes) abort
let l:possibly_duplicated_linters = []
" Handle dot-separated filetypes.
for l:original_filetype in split(a:original_filetypes, '\.')
let l:filetype = ale#linter#ResolveFiletype(l:original_filetype)
let l:linter_names = s:GetLinterNames(l:original_filetype)
let l:all_linters = ale#linter#GetAll(l:filetype)
let l:filetype_linters = []
if type(l:linter_names) is v:t_string && l:linter_names is# 'all'
let l:filetype_linters = l:all_linters
elseif type(l:linter_names) is v:t_list
" Select only the linters we or the user has specified.
for l:linter in l:all_linters
let l:name_list = [l:linter.name] + l:linter.aliases
for l:name in l:name_list
if index(l:linter_names, l:name) >= 0
call add(l:filetype_linters, l:linter)
break
endif
endfor
endfor
endif
call extend(l:possibly_duplicated_linters, l:filetype_linters)
endfor
let l:name_list = []
let l:combined_linters = []
" Make sure we override linters so we don't get two with the same name,
" like 'eslint' for both 'javascript' and 'typescript'
"
" Note that the reverse calls here modify the List variables.
for l:linter in reverse(l:possibly_duplicated_linters)
if index(l:name_list, l:linter.name) < 0
call add(l:name_list, l:linter.name)
call add(l:combined_linters, l:linter)
endif
endfor
return reverse(l:combined_linters)
endfunction
function! ale#linter#RemoveIgnored(buffer, filetype, linters) abort
" Apply ignore lists for linters only if needed.
let l:ignore_config = ale#Var(a:buffer, 'linters_ignore')
let l:disable_lsp = ale#Var(a:buffer, 'disable_lsp')
return !empty(l:ignore_config) || l:disable_lsp
\ ? ale#engine#ignore#Exclude(a:filetype, a:linters, l:ignore_config, l:disable_lsp)
\ : a:linters
endfunction
" Given a buffer and linter, get the executable String for the linter.
function! ale#linter#GetExecutable(buffer, linter) abort
let l:Executable = a:linter.executable
return type(l:Executable) is v:t_func
\ ? l:Executable(a:buffer)
\ : l:Executable
endfunction
function! ale#linter#GetCwd(buffer, linter) abort
let l:Cwd = get(a:linter, 'cwd', v:null)
return type(l:Cwd) is v:t_func ? l:Cwd(a:buffer) : l:Cwd
endfunction
" Given a buffer and linter, get the command String for the linter.
function! ale#linter#GetCommand(buffer, linter) abort
let l:Command = a:linter.command
return type(l:Command) is v:t_func ? l:Command(a:buffer) : l:Command
endfunction
" Given a buffer and linter, get the address for connecting to the server.
function! ale#linter#GetAddress(buffer, linter) abort
let l:Address = a:linter.address
return type(l:Address) is v:t_func ? l:Address(a:buffer) : l:Address
endfunction
function! ale#linter#GetLanguage(buffer, linter) abort
let l:Language = a:linter.language
return type(l:Language) is v:t_func ? l:Language(a:buffer) : l:Language
endfunction