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powershell: add ability to ignore specific warnings in C# Add-Type (#47643)

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Jordan Borean 2018-11-06 10:48:31 +10:00 committed by GitHub
parent 150cdd7931
commit 8787c65b65
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2 changed files with 52 additions and 2 deletions
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33
lib/ansible/module_utils/powershell/Ansible.ModuleUtils.AddType.psm1
View file

@ -70,6 +70,7 @@ Function Add-CSharpType {
# pattern used to find referenced assemblies in the code
$assembly_pattern = "^//\s*AssemblyReference\s+-Name\s+(?<Name>[\w.]*)(\s+-CLR\s+(?<CLR>Core|Framework))?$"
$no_warn_pattern = "^//\s*NoWarn\s+-Name\s+(?<Name>[\w\d]*)(\s+-CLR\s+(?<CLR>Core|Framework))?$"
# PSCore vs PSDesktop use different methods to compile the code,
# PSCore uses Roslyn and can compile the code purely in memory
@ -85,12 +86,14 @@ Function Add-CSharpType {
[Microsoft.CodeAnalysis.CompilationReference]::CreateFromFile(([System.Reflection.Assembly]::GetAssembly([PSObject])).Location)
)
$netcore_app_ref_folder = [System.IO.Path]::Combine([System.IO.Path]::GetDirectoryName([PSObject].Assembly.Location), "ref")
$lib_assembly_location = [System.IO.Path]::GetDirectoryName([object].Assembly.Location)
foreach ($file in [System.IO.Directory]::EnumerateFiles($netcore_app_ref_folder, "*.dll", [System.IO.SearchOption]::TopDirectoryOnly)) {
$assemblies.Add([Microsoft.CodeAnalysis.MetadataReference]::CreateFromFile($file)) > $null
}
# loop through the references, parse as a SyntaxTree and get
# referenced assemblies
$ignore_warnings = New-Object -TypeName 'System.Collections.Generic.Dictionary`2[[String], [Microsoft.CodeAnalysis.ReportDiagnostic]]'
$parse_options = ([Microsoft.CodeAnalysis.CSharp.CSharpParseOptions]::Default).WithPreprocessorSymbols($defined_symbols)
$syntax_trees = [System.Collections.Generic.List`1[Microsoft.CodeAnalysis.SyntaxTree]]@()
foreach ($reference in $References) {
@ -104,7 +107,17 @@ Function Add-CSharpType {
if ($Matches.ContainsKey("CLR") -and $Matches.CLR -ne "Core") {
continue
}
$assemblies.Add($Matches.Name) > $null
$assembly_path = $Matches.Name
if (-not ([System.IO.Path]::IsPathRooted($assembly_path))) {
$assembly_path = Join-Path -Path $lib_assembly_location -ChildPath $assembly_path
}
$assemblies.Add([Microsoft.CodeAnalysis.MetadataReference]::CreateFromFile($assembly_path)) > $null
}
if ($line -imatch $no_warn_pattern) {
if ($Matches.ContainsKey("CLR") -and $Matches.CLR -ne "Core") {
continue
}
$ignore_warnings.Add($Matches.Name, [Microsoft.CodeAnalysis.ReportDiagnostic]::Suppress)
}
}
} finally {
@ -122,6 +135,7 @@ Function Add-CSharpType {
# set warnings to error out if IgnoreWarnings is not set
if (-not $IgnoreWarnings.IsPresent) {
$compiler_options = $compiler_options.WithGeneralDiagnosticOption([Microsoft.CodeAnalysis.ReportDiagnostic]::Error)
$compiler_options = $compiler_options.WithSpecificDiagnosticOptions($ignore_warnings)
}
# create compilation object
@ -201,7 +215,6 @@ Function Add-CSharpType {
}
$compile_parameters = New-Object -TypeName System.CodeDom.Compiler.CompilerParameters
$compile_parameters.CompilerOptions = [String]::Join(" ", $compiler_options.ToArray())
$compile_parameters.GenerateExecutable = $false
$compile_parameters.GenerateInMemory = $true
$compile_parameters.TreatWarningsAsErrors = (-not $IgnoreWarnings.IsPresent)
@ -219,6 +232,7 @@ Function Add-CSharpType {
# create a code snippet for each reference and check if we need
# to reference any extra assemblies
# //AssemblyReference -Name ... [-CLR Framework]
$ignore_warnings = [System.Collections.ArrayList]@()
$compile_units = [System.Collections.Generic.List`1[System.CodeDom.CodeSnippetCompileUnit]]@()
foreach ($reference in $References) {
$sr = New-Object -TypeName System.IO.StringReader -ArgumentList $reference
@ -231,13 +245,28 @@ Function Add-CSharpType {
}
$assemblies.Add($Matches.Name) > $null
}
if ($line -imatch $no_warn_pattern) {
if ($Matches.ContainsKey("CLR") -and $Matches.CLR -ne "Framework") {
continue
}
$warning_id = $Matches.Name
# /nowarn should only contain the numeric part
if ($warning_id.StartsWith("CS")) {
$warning_id = $warning_id.Substring(2)
}
$ignore_warnings.Add($warning_id) > $null
}
}
} finally {
$sr.Close()
}
$compile_units.Add((New-Object -TypeName System.CodeDom.CodeSnippetCompileUnit -ArgumentList $reference)) > $null
}
if ($ignore_warnings.Count -gt 0) {
$compiler_options.Add("/nowarn:" + ([String]::Join(",", $ignore_warnings.ToArray()))) > $null
}
$compile_parameters.ReferencedAssemblies.AddRange($assemblies)
$compile_parameters.CompilerOptions = [String]::Join(" ", $compiler_options.ToArray())
# compile the code together and check for errors
$provider = New-Object -TypeName Microsoft.CSharp.CSharpCodeProvider

21
test/integration/targets/win_module_utils/library/add_type_test.ps1
View file

@ -183,5 +183,26 @@ Add-CSharpType -References $reference_1, $reference_2
$actual = [Namespace6.Class6]::GetString()
Assert-Equals -actual $actual -expected "Hello World"
$ignored_warning = @'
using System;
//NoWarn -Name CS0219
namespace Namespace7
{
public class Class7
{
public static string GetString()
{
string a = "";
return "abc";
}
}
}
'@
Add-CSharpType -References $ignored_warning
$actual = [Namespace7.Class7]::GetString()
Assert-Equals -actual $actual -expected "abc"
$result.res = "success"
Exit-Json -obj $result