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# EMACS settings: -*- tab-width: 2; indent-tabs-mode: t -*-
# vim: tabstop=2:shiftwidth=2:noexpandtab
# kate: tab-width 2; replace-tabs off; indent-width 2;
#
# ==============================================================================
# PowerShell Module: The module provides common CmdLets for the library
# pre-compilation process.
#
# Authors: Patrick Lehmann
#
# Description:
# ------------------------------------
# This PowerShell module provides CommandLets (CmdLets) to handle the GHDL.exe
# output streams (stdout and stderr).
#
# ==============================================================================
# Copyright (C) 2015 Patrick Lehmann
#
# GHDL is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2, or (at your option) any later
# version.
#
# GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with GHDL; see the file COPYING. If not, write to the Free
# Software Foundation, 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# ==============================================================================
function Restore-NativeCommandStream
{ <#
.SYNOPSIS
This CmdLet gathers multiple ErrorRecord objects and reconstructs outputs
as a single line.
.DESCRIPTION
This CmdLet collects multiple ErrorRecord objects and emits one String
object per line.
.PARAMETER InputObject
A object stream is required as an input.
#>
[CmdletBinding()]
param(
[Parameter(ValueFromPipeline=$true)]
$InputObject
)
begin
{ $LineRemainer = "" }
process
{ if (-not $InputObject)
{ Write-Host "Empty pipeline!" }
elseif ($InputObject -is [System.Management.Automation.ErrorRecord])
{ if ($InputObject.FullyQualifiedErrorId -eq "NativeCommandError")
{ Write-Output $InputObject.ToString() }
elseif ($InputObject.FullyQualifiedErrorId -eq "NativeCommandErrorMessage")
{ $NewLine = $LineRemainer + $InputObject.ToString()
while (($NewLinePos = $NewLine.IndexOf("`n")) -ne -1)
{ Write-Output $NewLine.Substring(0, $NewLinePos)
$NewLine = $NewLine.Substring($NewLinePos + 1)
}
$LineRemainer = $NewLine
}
}
elseif ($InputObject -is [String])
{ Write-Output $InputObject }
else
{ Write-Host "Unsupported object in pipeline stream" }
}
end
{ if ($LineRemainer -ne "")
{ Write-Output $LineRemainer }
}
}
function Write-ColoredGHDLLine
{ <#
.SYNOPSIS
This CmdLet colors GHDL output lines.
.DESCRIPTION
This CmdLet colors GHDL output lines. Warnings are prefixed with 'WARNING: '
in yellow and errors are prefixed with 'ERROR: ' in red.
.PARAMETER InputObject
A object stream is required as an input.
.PARAMETER SuppressWarnings
Skip warning messages. (Show errors only.)
#>
[CmdletBinding()]
param(
[Parameter(ValueFromPipeline=$true)]
$InputObject,
[Parameter(Position=1)]
[switch]$SuppressWarnings = $false
)
begin
{ $ErrorRecordFound = $false }
process
{ if (-not $InputObject)
{ Write-Host "Empty pipeline!" }
elseif ($InputObject -is [String])
{ if ($InputObject.Contains("warning"))
{ if (-not $SuppressWarnings)
{ Write-Host "WARNING: " -NoNewline -ForegroundColor Yellow
Write-Host $InputObject
}
}
else
{ $ErrorRecordFound = $true
Write-Host "ERROR: " -NoNewline -ForegroundColor Red
Write-Host $InputObject
}
}
else
{ Write-Host "Unsupported object in pipeline stream" }
}
end
{ $ErrorRecordFound }
}
Export-ModuleMember -Function 'Restore-NativeCommandStream'
Export-ModuleMember -Function 'Write-ColoredGHDLLine'
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