public void Execute(Script script)
{
// Generate the script code.
var generator = new RoslynCodeGenerator();
var code = generator.Generate(script);
// Warn about any code generation excluded namespaces
foreach (var @namespace in script.ExcludedNamespaces)
{
_log.Warning("Namespace {0} excluded by code generation, affected methods:\r\n\t{1}",
@namespace.Key, string.Join("\r\n\t", @namespace.Value));
}
// Create the script options dynamically.
var options = Microsoft.CodeAnalysis.Scripting.ScriptOptions.Default
.AddImports(Namespaces.Except(script.ExcludedNamespaces.Keys))
.AddReferences(References)
.AddReferences(ReferencePaths.Select(r => r.FullPath))
.WithEmitDebugInformation(_settings.Debug)
.WithMetadataResolver(Microsoft.CodeAnalysis.Scripting.ScriptMetadataResolver.Default);
var roslynScript = CSharpScript.Create(code, options, _host.GetType());
_log.Verbose("Compiling build script...");
var compilation = roslynScript.GetCompilation();
var diagnostics = compilation.GetDiagnostics();
var errors = new List <Diagnostic>();
foreach (var diagnostic in diagnostics)
{
switch (diagnostic.Severity)
{
case DiagnosticSeverity.Info:
_log.Information(diagnostic.ToString());
break;
case DiagnosticSeverity.Warning:
_log.Warning(diagnostic.ToString());
break;
case DiagnosticSeverity.Error:
_log.Error(diagnostic.ToString());
errors.Add(diagnostic);
break;
default:
break;
}
}
if (errors.Any())
{
var errorMessages = string.Join(Environment.NewLine, errors.Select(x => x.ToString()));
var message = string.Format(CultureInfo.InvariantCulture, "Error(s) occurred when compiling build script:{0}{1}", Environment.NewLine, errorMessages);
throw new CakeException(message);
}
roslynScript.RunAsync(_host).Wait();
}
public void Execute(Script script)
{
var scriptName = _settings.Script.GetFilename();
var cacheDLLFileName = $"{scriptName}.dll";
var cacheHashFileName = $"{scriptName}.hash";
var cachedAssembly = _scriptCachePath.CombineWithFilePath(cacheDLLFileName);
var hashFile = _scriptCachePath.CombineWithFilePath(cacheHashFileName);
string scriptHash = default;
if (_scriptCacheEnabled && _fileSystem.Exist(cachedAssembly) && !_regenerateCache)
{
_log.Verbose($"Cache enabled: Checking cache build script ({cacheDLLFileName})");
scriptHash = FastHash.GenerateHash(Encoding.UTF8.GetBytes(string.Concat(script.Lines)));
var cachedHash = _fileSystem.Exist(hashFile)
? _fileSystem.GetFile(hashFile).ReadLines(Encoding.UTF8).FirstOrDefault()
: string.Empty;
if (scriptHash.Equals(cachedHash, StringComparison.Ordinal))
{
_log.Verbose("Running cached build script...");
RunScriptAssembly(cachedAssembly.FullPath);
return;
}
else
{
_log.Verbose("Cache check failed.");
}
}
// Generate the script code.
var generator = new RoslynCodeGenerator();
var code = generator.Generate(script);
// Warn about any code generation excluded namespaces
foreach (var @namespace in script.ExcludedNamespaces)
{
_log.Warning("Namespace {0} excluded by code generation, affected methods:\r\n\t{1}",
@namespace.Key, string.Join("\r\n\t", @namespace.Value));
}
// Create the script options dynamically.
var options = Microsoft.CodeAnalysis.Scripting.ScriptOptions.Default
.AddImports(Namespaces.Except(script.ExcludedNamespaces.Keys))
.AddReferences(References)
.AddReferences(ReferencePaths.Select(r => r.FullPath))
.WithEmitDebugInformation(_settings.Debug)
.WithMetadataResolver(Microsoft.CodeAnalysis.Scripting.ScriptMetadataResolver.Default);
var roslynScript = CSharpScript.Create(code, options, _host.GetType());
_log.Verbose("Compiling build script...");
var compilation = roslynScript.GetCompilation();
var diagnostics = compilation.GetDiagnostics();
var errors = new List <Diagnostic>();
foreach (var diagnostic in diagnostics)
{
// Suppress some diagnostic information. See https://github.com/cake-build/cake/issues/3337
switch (diagnostic.Id)
{
// CS1701 Compiler Warning (level 2)
// Assuming assembly reference "Assembly Name #1" matches "Assembly Name #2", you may need to supply runtime policy
// https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/compiler-messages/cs1701
case "CS1701":
continue;
// CS1702 Compiler Warning (level 3)
// Assuming assembly reference "Assembly Name #1" matches "Assembly Name #2", you may need to supply runtime policy
// https://docs.microsoft.com/en-us/dotnet/csharp/misc/cs1702
case "CS1702":
continue;
// CS1705 Compiler Error
// Assembly 'AssemblyName1' uses 'TypeName' which has a higher version than referenced assembly 'AssemblyName2'
case "CS1705":
continue;
default:
break;
}
switch (diagnostic.Severity)
{
case DiagnosticSeverity.Info:
_log.Information(diagnostic.ToString());
break;
case DiagnosticSeverity.Warning:
_log.Warning(diagnostic.ToString());
break;
case DiagnosticSeverity.Error:
_log.Error(diagnostic.ToString());
errors.Add(diagnostic);
break;
default:
break;
}
}
if (errors.Any())
{
var errorMessages = string.Join(Environment.NewLine, errors.Select(x => x.ToString()));
var message = string.Format(CultureInfo.InvariantCulture, "Error(s) occurred when compiling build script:{0}{1}", Environment.NewLine, errorMessages);
throw new CakeException(message);
}
if (_scriptCacheEnabled)
{
// Verify cache directory exists
if (!_fileSystem.GetDirectory(_scriptCachePath).Exists)
{
_fileSystem.GetDirectory(_scriptCachePath).Create();
}
if (string.IsNullOrWhiteSpace(scriptHash))
{
scriptHash = FastHash.GenerateHash(Encoding.UTF8.GetBytes(string.Concat(script.Lines)));
}
var emitResult = compilation.Emit(cachedAssembly.FullPath);
if (emitResult.Success)
{
using (var stream = _fileSystem.GetFile(hashFile).OpenWrite())
using (var writer = new StreamWriter(stream, Encoding.UTF8))
{
writer.Write(scriptHash);
}
RunScriptAssembly(cachedAssembly.FullPath);
}
}
else
{
roslynScript.RunAsync(_host).GetAwaiter().GetResult();
}
}
public void Execute(Script script)
{
// Generate the script code.
var generator = new RoslynCodeGenerator();
var code = generator.Generate(script);
// Warn about any code generation excluded namespaces
foreach (var @namespace in script.ExcludedNamespaces)
{
_log.Warning("Namespace {0} excluded by code generation, affected methods:\r\n\t{1}",
@namespace.Key, string.Join("\r\n\t", @namespace.Value));
}
// Create the script options dynamically.
var options = Microsoft.CodeAnalysis.Scripting.ScriptOptions.Default
.AddImports(Namespaces.Except(script.ExcludedNamespaces.Keys))
.AddReferences(References)
.AddReferences(ReferencePaths.Select(r => r.FullPath))
.WithEmitDebugInformation(_settings.Debug)
.WithMetadataResolver(Microsoft.CodeAnalysis.Scripting.ScriptMetadataResolver.Default);
var roslynScript = CSharpScript.Create(code, options, _host.GetType());
_log.Verbose("Compiling build script...");
var compilation = roslynScript.GetCompilation();
var diagnostics = compilation.GetDiagnostics();
var errors = new List <Diagnostic>();
foreach (var diagnostic in diagnostics)
{
// Suppress some diagnostic information. See https://github.com/cake-build/cake/issues/3337
switch (diagnostic.Id)
{
// CS1701 Compiler Warning (level 2)
// Assuming assembly reference "Assembly Name #1" matches "Assembly Name #2", you may need to supply runtime policy
// https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/compiler-messages/cs1701
case "CS1701":
continue;
// CS1702 Compiler Warning (level 3)
// Assuming assembly reference "Assembly Name #1" matches "Assembly Name #2", you may need to supply runtime policy
// https://docs.microsoft.com/en-us/dotnet/csharp/misc/cs1702
case "CS1702":
continue;
// CS1705 Compiler Error
// Assembly 'AssemblyName1' uses 'TypeName' which has a higher version than referenced assembly 'AssemblyName2'
case "CS1705":
continue;
default:
break;
}
switch (diagnostic.Severity)
{
case DiagnosticSeverity.Info:
_log.Information(diagnostic.ToString());
break;
case DiagnosticSeverity.Warning:
_log.Warning(diagnostic.ToString());
break;
case DiagnosticSeverity.Error:
_log.Error(diagnostic.ToString());
errors.Add(diagnostic);
break;
default:
break;
}
}
if (errors.Any())
{
var errorMessages = string.Join(Environment.NewLine, errors.Select(x => x.ToString()));
var message = string.Format(CultureInfo.InvariantCulture, "Error(s) occurred when compiling build script:{0}{1}", Environment.NewLine, errorMessages);
throw new CakeException(message);
}
roslynScript.RunAsync(_host).Wait();
}
