martials/simplify_truths
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merged branches

Browse Source
This commit is contained in:
Martin Berg Alstad 2024-07-18 17:57:47 +02:00
parent 3dad5754f9
commit ee86e3be2f
1 changed files with 22 additions and 91 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

113
src/expressions/simplify.rs
View File

@ -321,104 +321,35 @@ impl Expression {
} }
} }
// TODO merge some branches?
fn absorption_law(&self, operations: &mut Vec<Operation>, ignore_case: bool) -> Self { fn absorption_law(&self, operations: &mut Vec<Operation>, ignore_case: bool) -> Self {
match self { match self {
Expression::Binary { Expression::Binary {
left, left,
operator: BinaryOperator::And | BinaryOperator::Or, operator: operator @ (BinaryOperator::And | BinaryOperator::Or),
right, right,
} if Expression::eq(left, right, ignore_case) => { } => {
if let Some(operation) = Operation::new(self, left, Law::AbsorptionLaw) { #[rustfmt::skip] // TODO refactor
let after = if Expression::eq(left, right, ignore_case)
|| (operator.is_and() && (left.is_and() && right.is_in(left) || right.is_or() && left.is_in(right)))
|| (operator.is_or() && (left.is_or() && right.is_in(left) || right.is_and() && left.is_in(right)))
{
left
} else if
(operator.is_and() && (left.is_or() && right.is_in(left) || right.is_and() && left.is_in(right)))
|| (operator.is_or() && (left.is_and() && right.is_in(left) || right.is_or() && left.is_in(right)))
{
right
} else {
return binary(
left.absorption_law(operations, ignore_case),
*operator,
right.absorption_law(operations, ignore_case),
);
};
if let Some(operation) = Operation::new(self, after, Law::AbsorptionLaw) {
operations.push(operation); operations.push(operation);
} }
left.absorption_law(operations, ignore_case) after.absorption_law(operations, ignore_case)
}
Expression::Binary {
left,
operator,
right,
} if operator.is_and()
&& (right.is_in(left) && left.is_and() || left.is_in(right) && right.is_or()) =>
{
if let Some(operation) = Operation::new(self, left, Law::AbsorptionLaw) {
operations.push(operation);
}
left.absorption_law(operations, ignore_case)
}
Expression::Binary {
left,
operator,
right,
} if operator.is_and()
&& (right.is_in(left) && left.is_or() || left.is_in(right) && right.is_and()) =>
{
if let Some(operation) = Operation::new(self, right, Law::AbsorptionLaw) {
operations.push(operation);
}
right.absorption_law(operations, ignore_case)
}
Expression::Binary {
left,
operator,
right,
} if operator.is_or()
&& (right.is_in(left) && left.is_and() || left.is_in(right) && right.is_or()) =>
{
if let Some(operation) = Operation::new(self, right, Law::AbsorptionLaw) {
operations.push(operation);
}
right.absorption_law(operations, ignore_case)
}
Expression::Binary {
left,
operator: BinaryOperator::And,
right,
} if left.is_and() && right.is_in(left) => {
if let Some(operation) = Operation::new(self, left, Law::AbsorptionLaw) {
operations.push(operation);
}
left.absorption_law(operations, ignore_case)
}
Expression::Binary {
left,
operator: BinaryOperator::And,
right,
} if right.is_and() && left.is_in(right) => {
if let Some(operation) = Operation::new(self, right, Law::AbsorptionLaw) {
operations.push(operation);
}
right.absorption_law(operations, ignore_case)
}
Expression::Binary {
left,
operator: BinaryOperator::Or,
right,
} if left.is_or() && right.is_in(left) => {
if let Some(operation) = Operation::new(self, left, Law::AbsorptionLaw) {
operations.push(operation);
}
left.absorption_law(operations, ignore_case)
}
Expression::Binary {
left,
operator: BinaryOperator::Or,
right,
} if right.is_or() && left.is_in(right) => {
if let Some(operation) = Operation::new(self, right, Law::AbsorptionLaw) {
operations.push(operation);
}
right.absorption_law(operations, ignore_case)
}
Expression::Binary {
left,
operator: BinaryOperator::Or,
right,
} if left.is_in(right) && right.is_and() => {
if let Some(operation) = Operation::new(self, left, Law::AbsorptionLaw) {
operations.push(operation);
}
left.absorption_law(operations, ignore_case)
} }
Expression::Binary { Expression::Binary {
left, left,