CompilerParameters GetCompilerParameters(IList<TextExpressionCompilerError> messages)
{
CompilerParameters compilerParameters = new CompilerParameters();
compilerParameters.GenerateExecutable = false;
compilerParameters.GenerateInMemory = false;
if (this.IsVB && !string.IsNullOrWhiteSpace(this.settings.RootNamespace))
{
compilerParameters.CompilerOptions = string.Concat("/rootnamespace:", this.settings.RootNamespace);
}
List<AssemblyReference> assemblies = this.settings.ForImplementation ?
new List<AssemblyReference>(TextExpression.GetReferencesForImplementation(this.settings.Activity)) :
new List<AssemblyReference>(TextExpression.GetReferences(this.settings.Activity));
assemblies.AddRange(TextExpression.DefaultReferences);
foreach (AssemblyReference assemblyReference in assemblies)
{
if (assemblyReference == null)
{
continue;
}
assemblyReference.LoadAssembly();
if (assemblyReference.Assembly == null)
{
TextExpressionCompilerError warning = new TextExpressionCompilerError();
warning.IsWarning = true;
warning.Message = SR.TextExpressionCompilerUnableToLoadAssembly(assemblyReference.AssemblyName);
messages.Add(warning);
continue;
}
if (assemblyReference.Assembly.CodeBase == null)
{
TextExpressionCompilerError warning = new TextExpressionCompilerError();
warning.IsWarning = true;
warning.Message = SR.TextExpressionCompilerNoCodebase(assemblyReference.AssemblyName);
messages.Add(warning);
continue;
}
string fileName = new Uri(assemblyReference.Assembly.CodeBase).LocalPath;
compilerParameters.ReferencedAssemblies.Add(fileName);
}
return compilerParameters;
}
TextExpressionCompilerResults CompileInMemory()
{
List<TextExpressionCompilerError> messages = new List<TextExpressionCompilerError>();
CompilerParameters compilerParameters = GetCompilerParameters(messages);
CompilerResults compilerResults = null;
using (CodeDomProvider codeDomProvider = CodeDomProvider.CreateProvider(this.settings.Language))
{
compilerResults = codeDomProvider.CompileAssemblyFromDom(compilerParameters, this.compileUnit);
}
TextExpressionCompilerResults results = new TextExpressionCompilerResults();
if (compilerResults.Errors == null || !compilerResults.Errors.HasErrors)
{
results.ResultType = compilerResults.CompiledAssembly.GetType(this.activityFullName);
}
results.HasSourceInfo = this.symbols != null;
bool hasErrors = false;
if (compilerResults.Errors != null && (compilerResults.Errors.HasWarnings || compilerResults.Errors.HasErrors))
{
foreach (CompilerError ce in compilerResults.Errors)
{
TextExpressionCompilerError message = new TextExpressionCompilerError();
message.Message = ce.ErrorText;
message.Number = ce.ErrorNumber;
if (results.HasSourceInfo)
{
message.SourceLineNumber = ce.Line;
}
else
{
message.SourceLineNumber = -1;
}
message.IsWarning = ce.IsWarning;
messages.Add(message);
hasErrors |= !message.IsWarning;
}
}
if (messages != null && messages.Count > 0)
{
results.SetMessages(messages, hasErrors);
}
return results;
}