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make Operation a tuple-style struct

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This commit is contained in:
greg 2017-09-17 17:53:21 -07:00
parent fc350cd03e
commit f51e1a3c47
1 changed files with 4 additions and 6 deletions
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10
src/schala_lang/parsing.rs
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@ -481,9 +481,7 @@ pub enum Expression {
}
#[derive(Debug, PartialEq)]
pub struct Operation {
op: Rc<String>
}
pub struct Operation(Rc<String>);
impl Operation {
fn min_precedence() -> i32 {
@ -630,7 +628,7 @@ impl Parser {
_ => unreachable!(),
};
let rhs = self.precedence_expr(new_precedence)?;
let operation = Operation { op: op_str };
let operation = Operation(op_str);
lhs = BinExp(operation, Box::new(lhs), Box::new(rhs));
}
Ok(lhs)
@ -644,7 +642,7 @@ impl Parser {
_ => unreachable!(),
};
let expr = self.primary()?;
Ok(Expression::PrefixExp(Operation { op: op_str }, Box::new(expr)))
Ok(Expression::PrefixExp(Operation(op_str), Box::new(expr)))
},
_ => self.primary()
}
@ -841,7 +839,7 @@ mod parse_tests {
($op:expr, $lhs:expr) => { PrefixExp($op, Box::new($lhs)) }
}
macro_rules! op {
($op:expr) => { Operation { op: Rc::new($op.to_string()) } }
($op:expr) => { Operation(Rc::new($op.to_string())) }
}
macro_rules! var {
($var:expr) => { Variable(Rc::new($var.to_string())) }