public static Activity RecompileVisualBasicReference(ActivityWithResult visualBasicReference,
out Type returnType,
out SourceExpressionException compileError,
out VisualBasicSettings vbSettings)
{
ITextExpression textExpression = visualBasicReference as ITextExpression;
if (textExpression == null || textExpression.Language != VisualBasicHelper.Language)
{
// the argument must be of type VisualBasicReference<>
throw FxTrace.Exception.AsError(new ArgumentException());
}
string expressionText = textExpression.ExpressionText;
LocationReferenceEnvironment environment = visualBasicReference.GetParentEnvironment();
IList<string> namespaces;
IList<string> referencedAssemblies;
GetAllImportReferences(visualBasicReference, out namespaces, out referencedAssemblies);
return CreatePrecompiledVisualBasicReference(
null,
expressionText,
namespaces,
referencedAssemblies,
environment,
out returnType,
out compileError,
out vbSettings);
}
internal bool InitializeRelationship(Activity parent, bool isPublic, ref IList <ValidationError> validationErrors)
{
if ((this.cacheId == parent.CacheId) && (this.Owner != null))
{
ValidationError data = new ValidationError(System.Activities.SR.VariableAlreadyInUseOnActivity(this.Name, parent.DisplayName, this.Owner.DisplayName), false, this.Name, parent);
ActivityUtilities.Add <ValidationError>(ref validationErrors, data);
return(false);
}
this.Owner = parent;
this.cacheId = parent.CacheId;
this.IsPublic = isPublic;
if (this.Default == null)
{
return(true);
}
ActivityWithResult innerExpression = this.Default;
if (innerExpression is Argument.IExpressionWrapper)
{
innerExpression = ((Argument.IExpressionWrapper)innerExpression).InnerExpression;
}
if (innerExpression.ResultType != base.Type)
{
ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.VariableExpressionTypeMismatch(this.Name, base.Type, innerExpression.ResultType), false, this.Name, parent));
}
return(this.Default.InitializeRelationship(this, isPublic, ref validationErrors));
}
public Activity RecompileReference(ActivityWithResult lValue, out Type returnType, out SourceExpressionException compileError, out VisualBasicSettings vbSettings)
{
ITextExpression textExpression = lValue as ITextExpression;
if (textExpression == null || textExpression.Language != Language)
{
throw FxTrace.Exception.AsError(new ArgumentException());
}
string expressionText = textExpression.ExpressionText;
LocationReferenceEnvironment environment = lValue.GetParentEnvironment();
List <string> namespaces;
List <string> referencedAssemblies;
GetAllImportReferences(lValue, out namespaces, out referencedAssemblies);
return(CreatePrecompiledReference(
null,
expressionText,
namespaces,
referencedAssemblies,
environment,
out returnType,
out compileError,
out vbSettings));
}
void AddGeneratedArgument(Type argumentType, ArgumentDirection direction, ActivityWithResult expression)
{
Argument argument = ActivityUtilities.CreateArgument(argumentType, direction);
argument.Expression = expression;
RuntimeArgument runtimeArgument = this.metadata.CurrentActivity.AddTempAutoGeneratedArgument(argumentType, direction);
Argument.TryBind(argument, runtimeArgument, this.metadata.CurrentActivity);
}
static void AssertIsCodeActivity(Activity activity)
{
Type codeActivityOfTType = null;
ActivityWithResult activityWithResult = activity as ActivityWithResult;
if (activityWithResult != null)
{
codeActivityOfTType = typeof(CodeActivity <>).MakeGenericType(activityWithResult.ResultType);
}
Fx.Assert(activity is CodeActivity || (codeActivityOfTType != null && codeActivityOfTType.IsAssignableFrom(activity.GetType())), "Expected CodeActivity or CodeActivity<T>");
}
internal void Validate(Activity owner, ref IList <ValidationError> validationErrors)
{
if (this.Expression != null)
{
if (this.Expression.Result != null && !this.Expression.Result.IsEmpty)
{
ValidationError validationError = new ValidationError(SR.ResultCannotBeSetOnArgumentExpressions, false, this.RuntimeArgument.Name, owner);
ActivityUtilities.Add(ref validationErrors, validationError);
}
ActivityWithResult actualExpression = this.Expression;
if (actualExpression is IExpressionWrapper)
{
actualExpression = ((IExpressionWrapper)actualExpression).InnerExpression;
}
switch (this.Direction)
{
case ArgumentDirection.In:
if (actualExpression.ResultType != this.ArgumentType)
{
ActivityUtilities.Add(
ref validationErrors,
new ValidationError(SR.ArgumentValueExpressionTypeMismatch(this.ArgumentType, actualExpression.ResultType), false, this.RuntimeArgument.Name, owner));
}
break;
case ArgumentDirection.InOut:
case ArgumentDirection.Out:
Type locationType;
if (!ActivityUtilities.IsLocationGenericType(actualExpression.ResultType, out locationType) ||
locationType != this.ArgumentType)
{
Type expectedType = ActivityUtilities.CreateActivityWithResult(ActivityUtilities.CreateLocation(this.ArgumentType));
ActivityUtilities.Add(
ref validationErrors,
new ValidationError(SR.ArgumentLocationExpressionTypeMismatch(expectedType.FullName, actualExpression.GetType().FullName), false, this.RuntimeArgument.Name, owner));
}
break;
}
}
}
internal bool InitializeRelationship(Activity parent, bool isPublic, ref IList <ValidationError> validationErrors)
{
if (this.cacheId == parent.CacheId)
{
if (this.Owner != null)
{
ValidationError validationError = new ValidationError(SR.VariableAlreadyInUseOnActivity(this.Name, parent.DisplayName, this.Owner.DisplayName), false, this.Name, parent);
ActivityUtilities.Add(ref validationErrors, validationError);
// Get out early since we've already initialized this variable.
return(false);
}
}
this.Owner = parent;
this.cacheId = parent.CacheId;
this.IsPublic = isPublic;
if (this.Default != null)
{
ActivityWithResult expression = this.Default;
if (expression is Argument.IExpressionWrapper)
{
expression = ((Argument.IExpressionWrapper)expression).InnerExpression;
}
if (expression.ResultType != this.Type)
{
ActivityUtilities.Add(
ref validationErrors,
new ValidationError(SR.VariableExpressionTypeMismatch(this.Name, this.Type, expression.ResultType), false, this.Name, parent));
}
return(this.Default.InitializeRelationship(this, isPublic, ref validationErrors));
}
return(true);
}
internal void Validate(Activity owner, ref IList <ValidationError> validationErrors)
{
if (this.Expression != null)
{
if ((this.Expression.Result != null) && !this.Expression.Result.IsEmpty)
{
ValidationError data = new ValidationError(System.Activities.SR.ResultCannotBeSetOnArgumentExpressions, false, this.RuntimeArgument.Name, owner);
ActivityUtilities.Add <ValidationError>(ref validationErrors, data);
}
ActivityWithResult expression = this.Expression;
if (expression is IExpressionWrapper)
{
expression = ((IExpressionWrapper)expression).InnerExpression;
}
switch (this.Direction)
{
case ArgumentDirection.In:
if (!(expression.ResultType != this.ArgumentType))
{
break;
}
ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.ArgumentValueExpressionTypeMismatch(this.ArgumentType, expression.ResultType), false, this.RuntimeArgument.Name, owner));
return;
case ArgumentDirection.Out:
case ArgumentDirection.InOut:
Type type;
if (!ActivityUtilities.IsLocationGenericType(expression.ResultType, out type) || (type != this.ArgumentType))
{
Type type2 = ActivityUtilities.CreateActivityWithResult(ActivityUtilities.CreateLocation(this.ArgumentType));
ActivityUtilities.Add <ValidationError>(ref validationErrors, new ValidationError(System.Activities.SR.ArgumentLocationExpressionTypeMismatch(type2.FullName, expression.GetType().FullName), false, this.RuntimeArgument.Name, owner));
}
break;
default:
return;
}
}
}
internal void CreateLocationArgument(LocationReference sourceReference, bool useLocationReferenceValue = false)
{
ActivityWithResult expression = ActivityUtilities.CreateLocationAccessExpression(sourceReference, true, useLocationReferenceValue);
AddGeneratedArgument(expression.ResultType, ArgumentDirection.In, expression);
}
public ActivityWithResultWrapper(ActivityWithResult expression)
{
this.expression = expression;
}
void AddGeneratedArgument(Type argumentType, ArgumentDirection direction, ActivityWithResult expression)
{
Argument argument = ActivityUtilities.CreateArgument(argumentType, direction);
argument.Expression = expression;
RuntimeArgument runtimeArgument = this.metadata.CurrentActivity.AddTempAutoGeneratedArgument(argumentType, direction);
Argument.TryBind(argument, runtimeArgument, this.metadata.CurrentActivity);
}
public static Activity RecompileVisualBasicValue(ActivityWithResult visualBasicValue, out Type returnType, out SourceExpressionException compileError, out VisualBasicSettings vbSettings)
{
IVisualBasicExpression expression = visualBasicValue as IVisualBasicExpression;
if (expression == null)
{
throw FxTrace.Exception.AsError(new ArgumentException());
}
string expressionText = expression.ExpressionText;
LocationReferenceEnvironment parentEnvironment = visualBasicValue.GetParentEnvironment();
HashSet<VisualBasicImportReference> allImportReferences = VisualBasicHelper.GetAllImportReferences((parentEnvironment != null) ? parentEnvironment.Root : null);
HashSet<string> namespaces = new HashSet<string>();
HashSet<string> referencedAssemblies = new HashSet<string>();
foreach (VisualBasicImportReference reference in allImportReferences)
{
namespaces.Add(reference.Import);
referencedAssemblies.Add(reference.Assembly);
}
return CreatePrecompiledVisualBasicValue(null, expressionText, namespaces, referencedAssemblies, parentEnvironment, out returnType, out compileError, out vbSettings);
}