/// <summary>
/// Parses a var declaration
/// </summary>
private IDeclarationNode ParseVarDeclaration()
{
Debugger.Write("Parsing Var Declaration");
Position startPosition = CurrentToken.Position;
Accept(TokenType.Var);
IdentifierNode identifier = ParseIdentifier();
Accept(TokenType.Colon);
TypeDenoterNode typeDenoter = ParseTypeDenoter();
return(new VarDeclarationNode(identifier, typeDenoter, startPosition));
}
/// <summary>
/// Parses a variable declaration
/// </summary>
/// <returns>An abstract syntax tree representing the variable declaration</returns>
private IDeclarationNode ParseVarDeclaration()
{
Debugger.WriteDebuggingInfo("Parsing Variable Declaration");
Position StartPosition = CurrentToken.Position;
Accept(Var);
IdentifierNode identifier = ParseIdentifier();
Accept(Colon);
TypeDenoterNode typeDenoter = ParseTypeDenoter();
return(new VarDeclarationNode(identifier, typeDenoter, StartPosition));
}
/// <summary>
/// Parses a type denoter declaration
/// <type-denoter> <identifier>
/// </summary>
/// <returns>An abstract syntax tree representing the variable declaration</returns>
private IDeclarationNode ParseTypeDenoterDeclaration()
{
Debugger.Write("Parsing Variable Declaration");
Position StartPosition = CurrentToken.Position;
TypeDenoterNode varDeclaration = ParseTypeDenoter();
IdentifierNode identifier = ParseIdentifier();
if (identifier == null)
{
return(new ErrorNode(StartPosition));
}
else
{
return(new VarDeclarationNode(varDeclaration, identifier, StartPosition));
}
}
/// <summary>
/// Generates code for a type denoter node
/// </summary>
/// <param name="typeDenoter">The node to generate code for</param>
private void GenerateCodeForTypeDenoter(TypeDenoterNode typeDenoter)
{
Debugger.Write("Generating code for Type Denoter");
}
/// <summary>
/// Carries out identification on a type denoter node
/// </summary>
/// <param name="typeDenoter">The node to perform identification on</param>
private void PerformIdentificationOnTypeDenoter(TypeDenoterNode typeDenoter)
{
PerformIdentification(typeDenoter.Identifier);
}
/// <summary>
/// Creates a new variable declaration node
/// </summary>
/// <param name="identifier">The name of the variable</param>
/// <param name="typeDenoter">The name of the type of the variable</param>
/// <param name="position">The position in the code where the content associated with the node begins</param>
public VarDeclarationNode(IdentifierNode identifier, TypeDenoterNode typeDenoter, Position position)
{
Identifier = identifier;
TypeDenoter = typeDenoter;
Position = position;
}
