private static AstNode ParseTerm(Parser.Parser parser)
{
if (parser.MatchToken(TokenType.Number))
{
return(new NumberNode(Convert.ToDouble(parser.ExpectToken(TokenType.Number).Value)));
}
else if (parser.AcceptToken(TokenType.Parentheses, "("))
{
AstNode statement = ExpressionNode.Parse(parser);
parser.ExpectToken(TokenType.Parentheses, ")");
return(statement);
}
else if (parser.AcceptToken(TokenType.Bracket, "["))
{
AstNode statement = ArrayInitializerNode.Parse(parser);
parser.ExpectToken(TokenType.Bracket, "]");
return(statement);
}
else if (parser.MatchToken(TokenType.String))
{
return(new StringNode(parser.ExpectToken(TokenType.String).Value.ToString()));
}
else if (parser.MatchToken(TokenType.Identifier))
{
return(new IdentifierNode(parser.ExpectToken(TokenType.Identifier).Value.ToString()));
}
else
{
throw new Exception("Unexpected in Parser: " + parser.CurrentToken().Value);
}
}
