21 lines
769 B
PowerShell
21 lines
769 B
PowerShell
# 用真实解析器定位 .ps1 语法错误, 并打印出错行上下文
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param([string]$File = (Join-Path $PSScriptRoot 'gen-step.ps1'))
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$tokens = $null
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$errors = $null
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[System.Management.Automation.Language.Parser]::ParseFile($File, [ref]$tokens, [ref]$errors) | Out-Null
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$lines = [System.IO.File]::ReadAllLines($File)
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Write-Output ("总行数: " + $lines.Count)
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if ($errors.Count -eq 0) {
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Write-Output "语法 OK"
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} else {
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foreach ($e in $errors) {
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$ln = $e.Extent.StartLineNumber
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Write-Output ("--- 错误 行{0} 列{1}: {2}" -f $ln, $e.Extent.StartColumnNumber, $e.Message)
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for ($i = $ln - 3; $i -le ($ln + 1); $i++) {
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if ($i -ge 1 -and $i -le $lines.Count) {
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Write-Output ("{0,4} | {1}" -f $i, $lines[$i - 1])
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}
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}
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}
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}
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