92 lines
3.2 KiB
VimL
92 lines
3.2 KiB
VimL
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" Author: Jesse Harris - https://github.com/zigford
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" Description: This file adds support for powershell scripts synatax errors
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call ale#Set('powershell_powershell_executable', 'pwsh')
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function! ale_linters#powershell#powershell#GetExecutable(buffer) abort
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return ale#Var(a:buffer, 'powershell_powershell_executable')
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endfunction
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" Some powershell magic to show syntax errors without executing the script
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" thanks to keith hill:
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" https://rkeithhill.wordpress.com/2007/10/30/powershell-quicktip-preparsing-scripts-to-check-for-syntax-errors/
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function! ale_linters#powershell#powershell#GetCommand(buffer) abort
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let l:script = ['Param($Script);
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\ trap {$_;continue} & {
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\ $Contents = Get-Content -Path $Script;
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\ $Contents = [string]::Join([Environment]::NewLine, $Contents);
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\ [void]$ExecutionContext.InvokeCommand.NewScriptBlock($Contents);
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\ };']
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return ale#powershell#RunPowerShell(
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\ a:buffer, 'powershell_powershell', l:script)
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endfunction
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" Parse powershell error output using regex into a list of dicts
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function! ale_linters#powershell#powershell#Handle(buffer, lines) abort
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let l:output = []
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" Our 3 patterns we need to scrape the data for the dicts
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let l:patterns = [
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\ '\v^At line:(\d+) char:(\d+)',
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\ '\v^(At|\+| )@!.*',
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\ '\vFullyQualifiedErrorId : (\w+)',
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\]
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let l:matchcount = 0
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for l:match in ale#util#GetMatches(a:lines, l:patterns)
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" We want to work with 3 matches per syntax error
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let l:matchcount = l:matchcount + 1
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if l:matchcount == 1 || str2nr(l:match[1])
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" First match consists of 2 capture groups, and
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" can capture the line and col
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if exists('l:item')
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" We may be here because the last syntax
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" didn't emit a code, and so only had 2
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" matches
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call add(l:output, l:item)
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let l:matchcount = 1
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endif
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let l:item = {
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\ 'lnum': str2nr(l:match[1]),
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\ 'col': str2nr(l:match[2]),
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\ 'type': 'E',
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\}
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elseif l:matchcount == 2
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" Second match[0] grabs the full line in order
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" to handles the text
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let l:item['text'] = l:match[0]
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else
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" Final match handles the code, however
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" powershell only emits 1 code for all errors
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" so, we get the final code on the last error
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" and loop over the previously added items to
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" append the code we now know
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call add(l:output, l:item)
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unlet l:item
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if len(l:match[1]) > 0
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for l:i in l:output
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let l:i['code'] = l:match[1]
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endfor
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endif
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" Reset the matchcount so we can begin gathering
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" matches for the next syntax error
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let l:matchcount = 0
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endif
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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('powershell', {
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\ 'name': 'powershell',
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\ 'executable_callback': 'ale_linters#powershell#powershell#GetExecutable',
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\ 'command_callback': 'ale_linters#powershell#powershell#GetCommand',
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\ 'output_stream': 'stdout',
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\ 'callback': 'ale_linters#powershell#powershell#Handle',
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\})
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