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Nicen up precedence-testing

This commit is contained in:
greg 2017-09-17 05:12:20 -07:00
parent 077ab8ddb8
commit 1981b74d89
1 changed files with 5 additions and 5 deletions
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10
src/schala_lang/parsing.rs
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@ -476,7 +476,7 @@ impl Operation {
i32::min_value()
}
fn get_precedence(op: Rc<String>) -> i32 {
fn get_precedence(op: &str) -> i32 {
let c: char = op.chars().next().unwrap();
match c {
'+' | '-' => 10,
@ -582,12 +582,12 @@ impl Parser {
//TODO clean this up
let mut lhs = self.primary()?;
loop {
let op_str = match self.peek() {
Operator(op) => op,
Period => Rc::new(".".to_string()),
let new_precedence = match self.peek() {
Operator(op) => Operation::get_precedence(&*op),
Period => Operation::get_precedence("."),
_ => break,
};
let new_precedence = Operation::get_precedence(op_str);
if precedence >= new_precedence {
break;
}