public void PullValue(NodeDispatcher dispatcher)
{
if (dispatcher == Source.Dispatcher)
{
object value;
if (!_values.TryTake(out value))
{
value = SourcePin.GetValue();
}
TargetPin.SetValue(value);
}
else
{
TargetPin.SetValue(_values.Take());
}
}
public override async System.Threading.Tasks.Task GCode_CodeDom_GenerateCode(CodeTypeDeclaration codeClass, CodeStatementCollection codeStatementCollection, CodeGenerateSystem.Base.LinkPinControl element, CodeGenerateSystem.Base.GenerateCodeContext_Method context)
{
if (element == null || element == mCtrlMethodIn)
{
var param = CSParam as ClassCastControlConstructParam;
var paramName = GCode_GetValueName(mCastResultPin, context);
if (!mTargetPin.GetLinkedObject(0).IsOnlyReturnValue)
{
await mTargetPin.GetLinkedObject(0).GCode_CodeDom_GenerateCode(codeClass, codeStatementCollection, mTargetPin.GetLinkedPinControl(0), context);
}
if (!context.Method.Statements.Contains(mVariableDeclaration))
{
mVariableDeclaration = new CodeVariableDeclarationStatement(param.ResultType, paramName, new CodePrimitiveExpression(null));
context.Method.Statements.Insert(0, mVariableDeclaration);
}
#region Debug
// 收集用于调试的数据的代码
var debugCodes = CodeDomNode.BreakPoint.BeginMacrossDebugCodeStatments(codeStatementCollection);
CodeDomNode.BreakPoint.GetGatherDataValueCodeStatement(debugCodes, TargetPin.GetLinkPinKeyName(), GCode_CodeDom_GetValue(mTargetPin, context), GCode_GetTypeString(mTargetPin, context), context);
var breakCondStatement = CodeDomNode.BreakPoint.BreakCodeStatement(codeClass, debugCodes, HostNodesContainer.GUID, Id);
CodeDomNode.BreakPoint.EndMacrossDebugCodeStatements(codeStatementCollection, debugCodes);
#endregion
var tryCatchStatement = new CodeTryCatchFinallyStatement();
codeStatementCollection.Add(tryCatchStatement);
tryCatchStatement.TryStatements.Add(new CodeAssignStatement(
new CodeVariableReferenceExpression(paramName),
new CodeGenerateSystem.CodeDom.CodeCastExpression(
param.ResultType,
mTargetPin.GetLinkedObject(0).GCode_CodeDom_GetValue(mTargetPin.GetLinkedPinControl(0), context))));
var catchClause = new CodeCatchClause("catchException", new CodeTypeReference(typeof(System.Exception)),
new CodeAssignStatement(
new CodeVariableReferenceExpression(paramName),
new CodePrimitiveExpression(null)));
tryCatchStatement.CatchClauses.Add(catchClause);
#region Debug
// 转换之后收集一次数据
var debugCodesAfter = CodeDomNode.BreakPoint.BeginMacrossDebugCodeStatments(codeStatementCollection);
CodeDomNode.BreakPoint.GetGatherDataValueCodeStatement(debugCodesAfter, CastResultPin.GetLinkPinKeyName(), GCode_CodeDom_GetValue(CastResultPin, context), GCode_GetTypeString(CastResultPin, context), context);
CodeDomNode.BreakPoint.EndMacrossDebugCodeStatements(codeStatementCollection, debugCodesAfter);
#endregion
var condStatement = new CodeConditionStatement();
codeStatementCollection.Add(condStatement);
condStatement.Condition = new CodeBinaryOperatorExpression(
new CodeVariableReferenceExpression(paramName),
CodeBinaryOperatorType.IdentityInequality,
new CodePrimitiveExpression(null));
if (mCtrlMethodOut.HasLink)
{
await mCtrlMethodOut.GetLinkedObject(0).GCode_CodeDom_GenerateCode(codeClass, condStatement.TrueStatements, mCtrlMethodOut.GetLinkedPinControl(0), context);
}
if (mCastFailedPin.HasLink)
{
await mCastFailedPin.GetLinkedObject(0).GCode_CodeDom_GenerateCode(codeClass, condStatement.FalseStatements, mCastFailedPin.GetLinkedPinControl(0), context);
}
}
else
{
throw new InvalidOperationException();
}
}
