/// <summary>
/// Reads a checked expression from the code.
/// </summary>
/// <param name="parentReference">
/// The parent code unit.
/// </param>
/// <param name="unsafeCode">
/// Indicates whether the code being parsed resides in an unsafe code block.
/// </param>
/// <returns>
/// Returns the expression.
/// </returns>
private CheckedExpression GetCheckedExpression(Reference<ICodePart> parentReference, bool unsafeCode)
{
Param.AssertNotNull(parentReference, "parentReference");
Param.Ignore(unsafeCode);
Reference<ICodePart> expressionReference = new Reference<ICodePart>();
// Get the checked keyword.
Node<CsToken> firstTokenNode = this.tokens.InsertLast(this.GetToken(CsTokenType.Checked, SymbolType.Checked, parentReference, expressionReference));
// The next symbol will be the opening parenthesis.
Bracket openParenthesis = this.GetBracketToken(CsTokenType.OpenParenthesis, SymbolType.OpenParenthesis, expressionReference);
Node<CsToken> openParenthesisNode = this.tokens.InsertLast(openParenthesis);
// Get the inner expression.
Expression innerExpression = this.GetNextExpression(ExpressionPrecedence.None, expressionReference, unsafeCode);
// Get the closing parenthesis.
Bracket closeParenthesis = this.GetBracketToken(CsTokenType.CloseParenthesis, SymbolType.CloseParenthesis, expressionReference);
Node<CsToken> closeParenthesisNode = this.tokens.InsertLast(closeParenthesis);
openParenthesis.MatchingBracketNode = closeParenthesisNode;
closeParenthesis.MatchingBracketNode = openParenthesisNode;
// Create the token list for the method invocation expression.
CsTokenList partialTokens = new CsTokenList(this.tokens, firstTokenNode, this.tokens.Last);
// Create and return the expression.
CheckedExpression expression = new CheckedExpression(partialTokens, innerExpression);
expressionReference.Target = expression;
return expression;
}
/// <summary>
/// The save.
/// </summary>
/// <param name="checkedExpression">
/// The checked expression.
/// </param>
private void Save(CheckedExpression checkedExpression)
{
this.cppWriter.Write("(");
@switch(checkedExpression.InternalExpression);
this.cppWriter.Write(")");
}