kjuulh/rhai
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!= defaults to true for different parameter types.

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This commit is contained in:
Stephen Chung 2020-05-30 13:49:40 +08:00
parent 4c46c7e26b
commit acd0f6b56b
1 changed files with 19 additions and 26 deletions
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45
src/parser.rs
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@ -1762,37 +1762,34 @@ fn parse_binary_op<'a>(
let cmp_def = Some(false.into());
let op = op_token.syntax();
let hash = calc_fn_hash(empty(), &op, 2, empty());
let op = (op, true, pos);
let mut args = StaticVec::new();
args.push(root);
args.push(rhs);
root = match op_token {
Token::Plus => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::Minus => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::Multiply => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::Divide => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::Plus
| Token::Minus
| Token::Multiply
| Token::Divide
| Token::LeftShift
| Token::RightShift
| Token::Modulo
| Token::PowerOf
| Token::Ampersand
| Token::Pipe
| Token::XOr => Expr::FnCall(Box::new((op, None, hash, args, None))),
Token::LeftShift => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::RightShift => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::Modulo => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::PowerOf => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
// '!=' defaults to true when passed invalid operands
Token::NotEqualsTo => Expr::FnCall(Box::new((op, None, hash, args, Some(true.into())))),
// Comparison operators default to false when passed invalid operands
Token::EqualsTo => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, cmp_def))),
Token::NotEqualsTo => {
Expr::FnCall(Box::new(((op, true, pos), None, hash, args, cmp_def)))
}
Token::LessThan => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, cmp_def))),
Token::LessThanEqualsTo => {
Expr::FnCall(Box::new(((op, true, pos), None, hash, args, cmp_def)))
}
Token::GreaterThan => {
Expr::FnCall(Box::new(((op, true, pos), None, hash, args, cmp_def)))
}
Token::GreaterThanEqualsTo => {
Expr::FnCall(Box::new(((op, true, pos), None, hash, args, cmp_def)))
}
Token::EqualsTo
| Token::LessThan
| Token::LessThanEqualsTo
| Token::GreaterThan
| Token::GreaterThanEqualsTo => Expr::FnCall(Box::new((op, None, hash, args, cmp_def))),
Token::Or => {
let rhs = args.pop();
@ -1804,10 +1801,6 @@ fn parse_binary_op<'a>(
let current_lhs = args.pop();
Expr::And(Box::new((current_lhs, rhs, pos)))
}
Token::Ampersand => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::Pipe => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::XOr => Expr::FnCall(Box::new(((op, true, pos), None, hash, args, None))),
Token::In => {
let rhs = args.pop();
let current_lhs = args.pop();