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|
" Author: Jesse Harris - https://github.com/zigford
" Description: This file adds support for lintng powershell scripts
" using the PSScriptAnalyzer module.
" let g:ale_powershell_psscriptanalyzer_exclusions =
" \ 'PSAvoidUsingWriteHost,PSAvoidGlobalVars'
call ale#Set('powershell_psscriptanalyzer_exclusions', '')
call ale#Set('powershell_psscriptanalyzer_executable', 'pwsh')
call ale#Set('powershell_psscriptanalyzer_module',
\ 'psscriptanalyzer')
function! ale_linters#powershell#psscriptanalyzer#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'powershell_psscriptanalyzer_executable')
endfunction
" Write a powershell script to a temp file for execution
" return the command used to execute it
function! s:TemporaryPSScript(buffer, input) abort
let l:filename = 'script.ps1'
" Create a temp dir to house our temp .ps1 script
" a temp dir is needed as powershell needs the .ps1
" extension
let l:tempdir = ale#util#Tempname() . (has('win32') ? '\' : '/')
let l:tempscript = l:tempdir . l:filename
" Create the temporary directory for the file, unreadable by 'other'
" users.
call mkdir(l:tempdir, '', 0750)
" Automatically delete the directory later.
call ale#command#ManageDirectory(a:buffer, l:tempdir)
" Write the script input out to a file.
call ale#util#Writefile(a:buffer, a:input, l:tempscript)
return l:tempscript
endfunction
function! ale_linters#powershell#psscriptanalyzer#RunPowerShell(buffer, command) abort
let l:executable = ale_linters#powershell#psscriptanalyzer#GetExecutable(
\ a:buffer)
let l:tempscript = s:TemporaryPSScript(a:buffer, a:command)
return ale#Escape(l:executable)
\ . ' -Exe Bypass -NoProfile -File '
\ . ale#Escape(l:tempscript)
\ . ' %t'
endfunction
" Run Invoke-ScriptAnalyzer and output each linting message as 4 seperate lines
" for each parsing
function! ale_linters#powershell#psscriptanalyzer#GetCommand(buffer) abort
let l:exclude_option = ale#Var(
\ a:buffer, 'powershell_psscriptanalyzer_exclusions')
let l:module = ale#Var(
\ a:buffer, 'powershell_psscriptanalyzer_module')
let l:script = ['Param($Script);
\ Invoke-ScriptAnalyzer "$Script" '
\ . (!empty(l:exclude_option) ? '-Exclude ' . l:exclude_option : '')
\ . '| ForEach-Object {
\ $_.Line;
\ $_.Severity;
\ $_.Message;
\ $_.RuleName}']
return ale_linters#powershell#psscriptanalyzer#RunPowerShell(
\ a:buffer, l:script)
endfunction
" add every 4 lines to an item(Dict) and every item to a list
" return the list
function! ale_linters#powershell#psscriptanalyzer#Handle(buffer, lines) abort
let l:output = []
let l:lcount = 0
for l:line in a:lines
if l:lcount is# 0
" the very first line
let l:item = {'lnum': str2nr(l:line)}
elseif l:lcount is# 1
if l:line is# 'Error'
let l:item['type'] = 'E'
elseif l:line is# 'Information'
let l:item['type'] = 'I'
else
let l:item['type'] = 'W'
endif
elseif l:lcount is# 2
let l:item['text'] = l:line
elseif l:lcount is# 3
let l:item['code'] = l:line
call add(l:output, l:item)
let l:lcount = -1
endif
let l:lcount = l:lcount + 1
endfor
return l:output
endfunction
call ale#linter#Define('powershell', {
\ 'name': 'psscriptanalyzer',
\ 'executable_callback': 'ale_linters#powershell#psscriptanalyzer#GetExecutable',
\ 'command_callback': 'ale_linters#powershell#psscriptanalyzer#GetCommand',
\ 'output_stream': 'stdout',
\ 'callback': 'ale_linters#powershell#psscriptanalyzer#Handle',
\})
|
