public static FunctionParameterNode Parse(ParseContext context)
{
// todo: support "ref"
var id = context.ParseExpression <IdentifierNode>();
context.Expect(TokenType.Colon);
var type = TypeIdentifierNode.Parse(context);
return(new FunctionParameterNode(id.Source, id, type));
}
public static PapyrusSymbol GetReferencedTypeSymbol(this TypeIdentifierNode node)
{
var type = node.GetReferencedType();
if (type is ArrayType complexType)
{
type = node.GetTypeChecker().GetTypeForObjectId(complexType.ElementType);
}
return((type as ComplexType)?.Symbol);
}
public ASTNode Parse(Token sourceToken, ParseContext context)
{
var id = context.ParseExpression <IdentifierNode>();
context.Expect(TokenType.Colon);
var type = TypeIdentifierNode.Parse(context);
context.Expect(TokenType.Equals);
ASTNode assignment = context.ParseExpression();
return(new ConstDeclarationNode(sourceToken, id, type, assignment));
}
public ASTNode Parse(Token sourceToken, ParseContext context)
{
context.Expect(TokenType.OpenAngleBracket);
TypeIdentifierNode toType = TypeIdentifierNode.Parse(context);
context.Expect(TokenType.CloseAngleBracket);
context.Expect(TokenType.OpenParenthesis);
ASTNode castExpr = context.ParseExpression();
context.Expect(TokenType.CloseParenthesis);
return(new CastNode(sourceToken, toType, castExpr));
}
public VarDeclarationNode(Token sourceToken, IdentifierNode identifier, TypeIdentifierNode type, ASTNode assignment) : base(sourceToken)
{
Identifier = identifier;
Type = type;
Assignment = assignment;
}
public FunctionParameterNode(Token sourceToken, IdentifierNode identifier, TypeIdentifierNode type) : base(sourceToken)
{
Identifier = identifier;
Type = type;
}
public CastNode(Token sourceToken, TypeIdentifierNode toType, ASTNode inner)
: base(sourceToken)
{
ToType = toType;
Inner = inner;
}
