/// <summary>
/// Reads the next return-statement from the file and returns it.
/// </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 statement.
/// </returns>
private ReturnStatement ParseReturnStatement(Reference<ICodePart> parentReference, bool unsafeCode)
{
Param.AssertNotNull(parentReference, "parentReference");
Param.Ignore(unsafeCode);
Reference<ICodePart> statementReference = new Reference<ICodePart>();
// Move past the return keyword.
CsToken firstToken = this.GetToken(CsTokenType.Return, SymbolType.Return, parentReference, statementReference);
Node<CsToken> firstTokenNode = this.tokens.InsertLast(firstToken);
// Check the next symbol and see if there is an expression to return.
Symbol symbol = this.GetNextSymbol(statementReference);
Expression expression = null;
if (symbol.SymbolType != SymbolType.Semicolon)
{
// Get the expression to return.
expression = this.GetNextExpression(ExpressionPrecedence.None, statementReference, unsafeCode);
if (expression == null)
{
throw this.CreateSyntaxException();
}
}
this.tokens.Add(this.GetToken(CsTokenType.Semicolon, SymbolType.Semicolon, statementReference));
// Create the token list for the statement.
CsTokenList partialTokens = new CsTokenList(this.tokens, firstTokenNode, firstTokenNode);
// Create and return the statement.
ReturnStatement statement = new ReturnStatement(partialTokens, expression);
statementReference.Target = statement;
return statement;
}
/// <summary>
/// The save.
/// </summary>
/// <param name="returnStatement">
/// The return statement.
/// </param>
private void Save(ReturnStatement returnStatement)
{
this.cppWriter.Write("return ");
@switch(returnStatement.ReturnValue);
}