181 lines
6 KiB
VimL
181 lines
6 KiB
VimL
" Author: Francis Agyapong <francisgyapong2@gmail.com>
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" Description: A linter for the Kotlin programming language that uses kotlinc
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let g:ale_kotlin_kotlinc_options = get(g:, 'ale_kotlin_kotlinc_options', '')
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let g:ale_kotlin_kotlinc_enable_config = get(g:, 'ale_kotlin_kotlinc_enable_config', 0)
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let g:ale_kotlin_kotlinc_config_file = get(g:, 'ale_kotlin_kotlinc_config_file', '.ale_kotlinc_config')
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let g:ale_kotlin_kotlinc_classpath = get(g:, 'ale_kotlin_kotlinc_classpath', '')
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let g:ale_kotlin_kotlinc_sourcepath = get(g:, 'ale_kotlin_kotlinc_sourcepath', '')
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let g:ale_kotlin_kotlinc_use_module_file = get(g:, 'ale_kotlin_kotlinc_use_module_file', 0)
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let g:ale_kotlin_kotlinc_module_filename = get(g:, 'ale_kotlin_kotlinc_module_filename', 'module.xml')
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let s:classpath_sep = has('unix') ? ':' : ';'
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function! ale_linters#kotlin#kotlinc#RunWithImportPaths(buffer) abort
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let l:command = ''
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" exec maven/gradle only if classpath is not set
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if ale#Var(a:buffer, 'kotlin_kotlinc_classpath') isnot# ''
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return ale_linters#kotlin#kotlinc#GetCommand(a:buffer, [], {})
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endif
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let l:pom_path = ale#path#FindNearestFile(a:buffer, 'pom.xml')
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if !empty(l:pom_path) && executable('mvn')
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let l:command = ale#path#CdString(fnamemodify(l:pom_path, ':h'))
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\ . 'mvn dependency:build-classpath'
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endif
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" Try to use Gradle if Maven isn't available.
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if empty(l:command)
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let l:command = ale#gradle#BuildClasspathCommand(a:buffer)
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endif
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if empty(l:command)
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return ale_linters#kotlin#kotlinc#GetCommand(a:buffer, [], {})
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endif
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return ale#command#Run(
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\ a:buffer,
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\ l:command,
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\ function('ale_linters#kotlin#kotlinc#GetCommand')
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\)
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endfunction
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function! s:BuildClassPathOption(buffer, import_paths) abort
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" Filter out lines like [INFO], etc.
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let l:class_paths = filter(a:import_paths[:], 'v:val !~# ''[''')
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call extend(
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\ l:class_paths,
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\ split(ale#Var(a:buffer, 'kotlin_kotlinc_classpath'), s:classpath_sep),
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\)
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return !empty(l:class_paths)
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\ ? ' -cp ' . ale#Escape(join(l:class_paths, s:classpath_sep))
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\ : ''
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endfunction
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function! ale_linters#kotlin#kotlinc#GetCommand(buffer, import_paths, meta) abort
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let l:kotlinc_opts = ale#Var(a:buffer, 'kotlin_kotlinc_options')
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let l:command = 'kotlinc '
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" If the config file is enabled and readable, source it
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if ale#Var(a:buffer, 'kotlin_kotlinc_enable_config')
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let l:conf = expand(ale#Var(a:buffer, 'kotlin_kotlinc_config_file'), 1)
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if filereadable(l:conf)
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execute 'source ' . fnameescape(l:conf)
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endif
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endif
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" If use module and module file is readable use that and return
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if ale#Var(a:buffer, 'kotlin_kotlinc_use_module_file')
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let l:module_filename = ale#Escape(expand(ale#Var(a:buffer, 'kotlin_kotlinc_module_filename'), 1))
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if filereadable(l:module_filename)
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let l:kotlinc_opts .= ' -module ' . l:module_filename
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let l:command .= 'kotlinc ' . l:kotlinc_opts
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return l:command
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endif
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endif
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" We only get here if not using module or the module file not readable
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if ale#Var(a:buffer, 'kotlin_kotlinc_classpath') isnot# ''
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let l:kotlinc_opts .= ' -cp ' . ale#Var(a:buffer, 'kotlin_kotlinc_classpath')
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else
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" get classpath from maven/gradle
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let l:kotlinc_opts .= s:BuildClassPathOption(a:buffer, a:import_paths)
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endif
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let l:fname = ''
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if ale#Var(a:buffer, 'kotlin_kotlinc_sourcepath') isnot# ''
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let l:fname .= expand(ale#Var(a:buffer, 'kotlin_kotlinc_sourcepath'), 1) . ' '
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else
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" Find the src directory for files in this project.
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let l:project_root = ale#gradle#FindProjectRoot(a:buffer)
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if !empty(l:project_root)
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let l:src_dir = l:project_root
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else
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let l:src_dir = ale#path#FindNearestDirectory(a:buffer, 'src/main/java')
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\ . ' ' . ale#path#FindNearestDirectory(a:buffer, 'src/main/kotlin')
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endif
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let l:fname .= expand(l:src_dir, 1) . ' '
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endif
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let l:fname .= ale#Escape(expand('#' . a:buffer . ':p'))
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let l:command .= l:kotlinc_opts . ' ' . l:fname
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return l:command
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endfunction
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function! ale_linters#kotlin#kotlinc#Handle(buffer, lines) abort
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let l:code_pattern = '^\(.*\):\([0-9]\+\):\([0-9]\+\):\s\+\(error\|warning\):\s\+\(.*\)'
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let l:general_pattern = '^\(warning\|error\|info\):\s*\(.*\)'
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let l:output = []
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for l:line in a:lines
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let l:match = matchlist(l:line, l:code_pattern)
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if len(l:match) == 0
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continue
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endif
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let l:file = l:match[1]
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let l:line = l:match[2] + 0
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let l:column = l:match[3] + 0
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let l:type = l:match[4]
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let l:text = l:match[5]
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let l:buf_abspath = fnamemodify(l:file, ':p')
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let l:curbuf_abspath = expand('#' . a:buffer . ':p')
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" Skip if file is not loaded
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if l:buf_abspath isnot# l:curbuf_abspath
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continue
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endif
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let l:type_marker_str = l:type is# 'warning' ? 'W' : 'E'
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call add(l:output, {
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\ 'lnum': l:line,
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\ 'col': l:column,
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\ 'text': l:text,
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\ 'type': l:type_marker_str,
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\})
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endfor
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" Non-code related messages
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for l:line in a:lines
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let l:match = matchlist(l:line, l:general_pattern)
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if len(l:match) == 0
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continue
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endif
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let l:type = l:match[1]
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let l:text = l:match[2]
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let l:type_marker_str = l:type is# 'warning' || l:type is# 'info' ? 'W' : 'E'
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call add(l:output, {
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\ 'lnum': 1,
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\ 'text': l:text,
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\ 'type': l:type_marker_str,
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\})
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endfor
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return l:output
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endfunction
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call ale#linter#Define('kotlin', {
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\ 'name': 'kotlinc',
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\ 'executable': 'kotlinc',
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\ 'output_stream': 'stderr',
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\ 'command': function('ale_linters#kotlin#kotlinc#RunWithImportPaths'),
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\ 'callback': 'ale_linters#kotlin#kotlinc#Handle',
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\ 'lint_file': 1,
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\})
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