public FormalArg Parse(ParserContext context)
{
// Parse the type.
Type type = new TypeParser().Parse(context);
// Create the formal argument entity.
FormalArg arg = new FormalArg(type);
// Capture the argument's name.
string name = context.Stream.Get(TokenType.Identifier).Value;
// Assign the argument's name.
arg.SetName(name);
// Skip the identifier token.
context.Stream.Skip();
// Return the argument.
return(arg);
}
public GlobalVar Parse(ParserContext context)
{
// Invoke type parser.
Type type = new TypeParser().Parse(context);
// Expect current token to be symbol at.
context.Stream.EnsureCurrent(TokenType.SymbolAt);
// Skip symbol at token.
context.Stream.Skip();
// Invoke identifier parser.
string identifier = new IdentifierParser().Parse(context);
// Create the global variable.
GlobalVar globalVar = new GlobalVar(identifier, type);
// Return the global variable.
return(globalVar);
}
public Type Parse(ParserContext context)
{
// Ensure current token is parentheses start.
context.Stream.EnsureCurrent(TokenType.SymbolParenthesesL);
// Skip parentheses start token.
context.Stream.Skip();
// Invoke type parser.
Type target = new TypeParser().Parse(context);
// Ensure current token is parentheses end.
context.Stream.EnsureCurrent(TokenType.SymbolParenthesesR);
// Skip parentheses end token.
context.Stream.Skip();
// Return the resulting target type.
return(target);
}
