private void Compile()
{
if (DataContext == null)
{
throw ExceptionBuilder.PropertyNotInitialized("DataContext");
}
if (Text == null || Text.Length == 0)
{
throw ExceptionBuilder.PropertyNotInitialized("Text");
}
// Compile expression
ClearCompiledState();
Compiler compiler = new Compiler(_errorCollector);
ExpressionNode expressionNode = compiler.CompileExpression(Text, _targetType, Scope);
if (_errorCollector.ErrorsSeen)
{
IList <CompilationError> errors = _errorCollector.GetErrors();
OnCompilationFailed(new CompilationFailedEventArgs(errors));
throw ExceptionBuilder.ExpressionCompilationFailed(errors);
}
OnCompilationSucceeded(EventArgs.Empty);
_runtimeExpression = ExpressionCompiler.CreateCompiled(expressionNode);
ILEmitContext.CompleteILCompilation();
}
private RuntimeExpression CreateRuntimeExpression(ExpressionNode expression, params BoundRowBufferEntrySet[] boundRowBufferEntrySets)
{
// Update row buffer references
List <BoundRowBufferEntrySet> boundRowBufferEntrySetList = new List <BoundRowBufferEntrySet>();
boundRowBufferEntrySetList.AddRange(boundRowBufferEntrySets);
foreach (BoundRowBufferEntrySet outerreferenceBoundRowBufferEntrySet in _outerReferenceStack)
{
boundRowBufferEntrySetList.Add(outerreferenceBoundRowBufferEntrySet);
}
boundRowBufferEntrySets = boundRowBufferEntrySetList.ToArray();
RowBufferEntryExpressionUpdater rowBufferEntryExpressionUpdater = new RowBufferEntryExpressionUpdater(boundRowBufferEntrySets);
expression = rowBufferEntryExpressionUpdater.VisitExpression(expression);
#if COMPILE_IL
return(ExpressionCompiler.CreateCompiled(expression));
#else
return(ExpressionCompiler.CreateInterpreded(expression));
#endif
}