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Renamed token and pretoken

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Mark
2023-06-16 12:58:06 -07:00
parent 081dc1b7ab
commit 1495dcd561
17 changed files with 280 additions and 281 deletions
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46
src/evaluate/operator.rs
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@ -2,11 +2,11 @@ use std::collections::VecDeque;
use crate::quantity::Quantity;
use crate::parser::Operator;
use crate::parser::Token;
use crate::parser::Expression;
use super::EvalError;
use crate::context::Context;
pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Context) -> Result<Option<Token>, EvalError> {
pub fn eval_operator(op: &Operator, args: &VecDeque<Expression>, context: &mut Context) -> Result<Option<Expression>, EvalError> {
match op {
// Handled seperately in evaluate.rs
@ -24,7 +24,7 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
if args.len() != 2 { panic!() };
let b = &args[1];
if let Token::Variable(s) = &args[0] {
if let Expression::Variable(s) = &args[0] {
context.push_var(s.clone(), b.clone());
return Ok(Some(b.clone()));
} else { return Err(EvalError::BadDefineName); }
@ -34,8 +34,8 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
if args.len() != 1 { panic!() };
let args = &args[0];
if let Token::Quantity(v) = args {
return Ok(Some(Token::Quantity(-v.clone())));
if let Expression::Quantity(v) = args {
return Ok(Some(Expression::Quantity(-v.clone())));
} else { return Ok(None); }
},
@ -43,9 +43,9 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
if args.len() != 1 { panic!() };
let args = &args[0];
if let Token::Quantity(v) = args {
if let Expression::Quantity(v) = args {
if v.is_zero() { return Err(EvalError::ZeroDivision); }
return Ok(Some(Token::Quantity(
return Ok(Some(Expression::Quantity(
Quantity::new_rational(1f64).unwrap()/v.clone()
)));
} else { return Ok(None); }
@ -53,14 +53,14 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
Operator::Add => {
let mut sum: Quantity;
if let Token::Quantity(s) = &args[0] {
if let Expression::Quantity(s) = &args[0] {
sum = s.clone();
} else { return Ok(None); };
let mut i: usize = 1;
while i < args.len() {
let j = &args[i];
if let Token::Quantity(v) = j {
if let Expression::Quantity(v) = j {
if !sum.unit.compatible_with(&v.unit) {
return Err(EvalError::IncompatibleUnit);
@ -70,18 +70,18 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
} else { return Ok(None); }
i += 1;
}
return Ok(Some(Token::Quantity(sum)));
return Ok(Some(Expression::Quantity(sum)));
},
Operator::Multiply => {
let mut prod = Quantity::new_rational(1f64).unwrap();
for i in args.iter() {
let j = i;
if let Token::Quantity(v) = j {
if let Expression::Quantity(v) = j {
prod *= v.clone();
} else { return Ok(None); }
}
return Ok(Some(Token::Quantity(prod)));
return Ok(Some(Expression::Quantity(prod)));
},
Operator::ModuloLong
@ -90,8 +90,8 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
let a = &args[0];
let b = &args[1];
if let Token::Quantity(va) = a {
if let Token::Quantity(vb) = b {
if let Expression::Quantity(va) = a {
if let Expression::Quantity(vb) = b {
if !(va.unitless() && vb.unitless()) {
return Err(EvalError::IncompatibleUnit);
@ -101,7 +101,7 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
if va.fract() != Quantity::new_rational(0f64).unwrap() { return Err(EvalError::BadMath); }
if vb.fract() != Quantity::new_rational(0f64).unwrap() { return Err(EvalError::BadMath); }
return Ok(Some(Token::Quantity(va.clone() % vb.clone())));
return Ok(Some(Expression::Quantity(va.clone() % vb.clone())));
} else { return Ok(None); }
} else { return Ok(None); }
},
@ -112,13 +112,13 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
let a = &args[0];
let b = &args[1];
if let Token::Quantity(va) = a {
if let Token::Quantity(vb) = b {
if let Expression::Quantity(va) = a {
if let Expression::Quantity(vb) = b {
let n = va.clone().convert_to(vb.clone());
if n.is_none() {
return Err(EvalError::IncompatibleUnit);
}
return Ok(Some(Token::Quantity(n.unwrap())));
return Ok(Some(Expression::Quantity(n.unwrap())));
} else { return Ok(None); }
} else { return Ok(None); }
},
@ -128,8 +128,8 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
let a = &args[0];
let b = &args[1];
if let Token::Quantity(va) = a {
if let Token::Quantity(vb) = b {
if let Expression::Quantity(va) = a {
if let Expression::Quantity(vb) = b {
if !vb.unitless() {
return Err(EvalError::IncompatibleUnit);
@ -141,7 +141,7 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
let p = va.pow(vb.clone());
if p.is_nan() {return Err(EvalError::BadMath);}
return Ok(Some(Token::Quantity(p)));
return Ok(Some(Expression::Quantity(p)));
} else { return Ok(None); }
} else { return Ok(None); }
},
@ -150,7 +150,7 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
if args.len() != 1 {panic!()};
let args = &args[0];
if let Token::Quantity(v) = args {
if let Expression::Quantity(v) = args {
if !v.unitless() {
return Err(EvalError::IncompatibleUnit);
@ -166,7 +166,7 @@ pub fn eval_operator(op: &Operator, args: &VecDeque<Token>, context: &mut Contex
u = u - Quantity::new_rational(1f64).unwrap();
}
return Ok(Some(Token::Quantity(prod)));
return Ok(Some(Expression::Quantity(prod)));
} else { return Ok(None); }
}
};