/// <summary>
/// Reads a new anonymous type allocation expression from the code.
/// </summary>
/// <param name="expressionProxy">The proxy object for this expression.</param>
/// <param name="parentProxy">The proxy object for the parent.</param>
/// <param name="unsafeCode">Indicates whether the code being parsed resides in an unsafe code block.</param>
/// <returns>Returns the expression.</returns>
private NewExpression GetNewAnonymousTypeExpression(CodeUnitProxy expressionProxy, CodeUnitProxy parentProxy, bool unsafeCode)
{
Param.AssertNotNull(expressionProxy, "expressionProxy");
Param.AssertNotNull(parentProxy, "parentProxy");
Param.Ignore(unsafeCode);
this.AdvanceToNextCodeSymbol(expressionProxy);
// Get the anonymous type initializer expression.
CollectionInitializerExpression initializer = this.GetAnonymousTypeInitializerExpression(expressionProxy, unsafeCode);
// Create and return the expression.
var expression = new NewExpression(expressionProxy, null, initializer);
parentProxy.Children.Add(expression);
return expression;
}
/// <summary>
/// Reads a new non-array type allocation expression from the code.
/// </summary>
/// <param name="expressionProxy">The proxy object for this expression.</param>
/// <param name="parentProxy">The proxy object for the parent.</param>
/// <param name="unsafeCode">Indicates whether the code being parsed resides in an unsafe code block.</param>
/// <param name="type">The type of the array.</param>
/// <returns>Returns the expression.</returns>
private NewExpression GetNewNonArrayTypeExpression(CodeUnitProxy expressionProxy, CodeUnitProxy parentProxy, bool unsafeCode, Expression type)
{
Param.AssertNotNull(expressionProxy, "expressionProxy");
Param.AssertNotNull(parentProxy, "parentProxy");
Param.Ignore(unsafeCode);
Param.AssertNotNull(type, "type");
this.AdvanceToNextCodeSymbol(expressionProxy);
Expression typeCreationExpression = type;
// If the next symbol is an opening parenthesis, then there is an argument
// list which must be attached to the type creation expression.
Symbol symbol = this.PeekNextSymbol();
if (symbol.SymbolType == SymbolType.OpenParenthesis)
{
typeCreationExpression = this.GetMethodInvocationExpression(expressionProxy, type, ExpressionPrecedence.None, unsafeCode);
if (typeCreationExpression == null || typeCreationExpression.Children.Count == 0)
{
throw this.CreateSyntaxException();
}
}
// If the next symbol is an opening curly bracket, then there is an object
// or collection initializer attached which must also be parsed.
symbol = this.PeekNextSymbol();
Expression initializer = null;
if (symbol.SymbolType == SymbolType.OpenCurlyBracket)
{
initializer = this.GetObjectOrCollectionInitializerExpression(expressionProxy, unsafeCode);
if (initializer == null || initializer.Children.Count == 0)
{
throw this.CreateSyntaxException();
}
}
// Create and return the expression.
var expression = new NewExpression(expressionProxy, typeCreationExpression, initializer);
parentProxy.Children.Add(expression);
return expression;
}