internal override BoundExpression GetValue(BoundPseudoVariable variable, DiagnosticBag diagnostics)
{
var method = GetIntrinsicMethod(_compilation, ExpressionCompilerConstants.GetVariableValueMethodName);
var local = variable.LocalSymbol;
var expr = InvokeGetMethod(method, variable.Syntax, local.Name);
return ConvertToLocalType(_compilation, expr, local.Type, diagnostics);
}
internal override BoundExpression GetAddress(BoundPseudoVariable variable)
{
var method = GetIntrinsicMethod(_compilation, ExpressionCompilerConstants.GetVariableAddressMethodName);
// Currently the MetadataDecoder does not support byref return types
// so the return type of GetVariableAddress(Of T)(name As String)
// is an error type. Since the method is only used for emit, an
// updated placeholder method is used instead.
Debug.Assert(method.ReturnType.TypeKind == TypeKind.Error); // If byref return types are supported in the future, use method as is.
method = new PlaceholderMethodSymbol(
method.ContainingType,
method.Name,
m => method.TypeParameters.SelectAsArray(t => (TypeParameterSymbol)new SimpleTypeParameterSymbol(m, t.Ordinal, t.Name)),
m => m.TypeParameters[0], // return type is <>T&
m => method.Parameters.SelectAsArray(p => (ParameterSymbol)new SynthesizedParameterSymbol(m, p.Type, p.Ordinal, p.RefKind, p.Name, p.CustomModifiers, p.CountOfCustomModifiersPrecedingByRef)));
var local = variable.LocalSymbol;
return InvokeGetMethod(method.Construct(local.Type), variable.Syntax, local.Name);
}
private void EmitPseudoVariableValue(BoundPseudoVariable expression, bool used)
{
EmitExpression(expression.EmitExpressions.GetValue(expression, _diagnostics), used);
}
private void EmitPseudoVariableAddress(BoundPseudoVariable expression)
{
EmitExpression(expression.EmitExpressions.GetAddress(expression), used: true);
}
private void EmitPseudoVariableAddress(BoundPseudoVariable expression)
{
EmitExpression(expression.EmitExpressions.GetAddress(expression), used: true);
}
internal abstract BoundExpression GetValue(BoundPseudoVariable variable, DiagnosticBag diagnostics);
internal abstract BoundExpression GetAddress(BoundPseudoVariable variable);
internal override BoundExpression GetValue(BoundPseudoVariable variable)
{
var local = variable.LocalSymbol;
var expr = InvokeGetMethod(_getValueMethod, variable.Syntax, local.Name);
return ConvertToLocalType(_compilation, expr, local.Type);
}
internal override BoundExpression GetAddress(BoundPseudoVariable variable)
{
var local = variable.LocalSymbol;
return InvokeGetMethod(_getAddressMethod.Construct(local.Type), variable.Syntax, local.Name);
}
public override BoundNode VisitPseudoVariable(BoundPseudoVariable node)
{
CheckDeclared(node.LocalSymbol);
base.VisitPseudoVariable(node);
return(null);
}
internal override BoundExpression GetAddress(BoundPseudoVariable variable)
{
var local = variable.LocalSymbol;
return(InvokeGetMethod(_getAddressMethod.Construct(local.Type), variable.Syntax, local.Name));
}
internal abstract BoundExpression GetAddress(BoundPseudoVariable variable);
internal abstract BoundExpression GetValue(BoundPseudoVariable variable, DiagnosticBag diagnostics);
internal abstract BoundExpression GetValue(BoundPseudoVariable variable);