public Extern Parse(TokenStream stream)
{
// Consume extern keyword.
stream.Skip(TokenType.KeywordExternal);
// Invoke the prototype parser.
Prototype prototype = new PrototypeParser().Parse(stream);
// Create the external definition entity using the parsed prototype.
Extern external = new Extern(prototype);
// Return the external definition entity.
return(external);
}
public Function Parse(TokenStream stream)
{
// Parse the prototype from the stream, this captures the name, arguments and return type.
Prototype prototype = new PrototypeParser().Parse(stream);
// Create the function.
var function = new Function();
// Assign the function prototype to the parsed prototype.
function.Prototype = prototype;
// Parse the body.
Block body = new BlockParser().Parse(stream);
// Set the name of the body block.
body.SetNameEntry();
// Assign the body.
function.Body = body;
return(function);
}
public Function Parse(ParserContext context)
{
// Create the attribute buffer list.
List <Attribute> attributes = new List <Attribute>();
// Parse attribute if applicable.
while (context.Stream.Current.Type == TokenType.SymbolBracketL)
{
// Invoke attribute parser.
Attribute attribute = new AttributeParser().Parse(context);
// Append the resulting attribute onto the buffer list.
attributes.Add(attribute);
}
// Parse the prototype from the stream, this captures the name, arguments and return type.
Prototype prototype = new PrototypeParser().Parse(context);
// Create the function.
Function function = new Function();
// Assign the function attributes.
function.Attributes = attributes.ToArray();
// Assign the function prototype to the parsed prototype.
function.Prototype = prototype;
// Parse the body.
Block body = new BlockParser().Parse(context);
// Set the name of the body block.
body.SetNameEntry();
// Assign the body.
function.Body = body;
// Return the function.
return(function);
}
public Extern Parse(ParserContext context)
{
// Ensure current token is extern keyword.
context.Stream.EnsureCurrent(TokenType.KeywordExternal);
// Skip extern keyword.
context.Stream.Skip();
// Invoke the prototype parser.
Prototype prototype = new PrototypeParser().Parse(context);
// Ensure current token is a semi-colon.
context.Stream.EnsureCurrent(TokenType.SymbolSemiColon);
// Skip semi-colon.
context.Stream.Skip();
// Create the external definition entity using the parsed prototype.
Extern external = new Extern(prototype);
// Return the external definition entity.
return(external);
}