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normalize ordering ops

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This commit is contained in:
Aleksey Kladov 2019-08-17 17:51:01 +03:00
parent 7e5a186c1f
commit b082cd679a
2 changed files with 36 additions and 26 deletions
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30
crates/ra_hir/src/expr.rs
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@ -273,12 +273,14 @@ pub enum LogicOp {
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub enum CmpOp {
Equal,
NotEqual,
Eq { negated: bool },
Ord { ordering: Ordering, strict: bool },
}
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
pub enum Ordering {
Less,
LessOrEqual,
Greater,
GreaterOrEqual,
}
#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
@ -1080,12 +1082,20 @@ impl From<ast::BinOp> for BinaryOp {
match ast_op {
ast::BinOp::BooleanOr => BinaryOp::LogicOp(LogicOp::Or),
ast::BinOp::BooleanAnd => BinaryOp::LogicOp(LogicOp::And),
ast::BinOp::EqualityTest => BinaryOp::CmpOp(CmpOp::Equal),
ast::BinOp::NegatedEqualityTest => BinaryOp::CmpOp(CmpOp::NotEqual),
ast::BinOp::LesserEqualTest => BinaryOp::CmpOp(CmpOp::LessOrEqual),
ast::BinOp::GreaterEqualTest => BinaryOp::CmpOp(CmpOp::GreaterOrEqual),
ast::BinOp::LesserTest => BinaryOp::CmpOp(CmpOp::Less),
ast::BinOp::GreaterTest => BinaryOp::CmpOp(CmpOp::Greater),
ast::BinOp::EqualityTest => BinaryOp::CmpOp(CmpOp::Eq { negated: false }),
ast::BinOp::NegatedEqualityTest => BinaryOp::CmpOp(CmpOp::Eq { negated: true }),
ast::BinOp::LesserEqualTest => {
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Less, strict: false })
}
ast::BinOp::GreaterEqualTest => {
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Greater, strict: false })
}
ast::BinOp::LesserTest => {
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Less, strict: true })
}
ast::BinOp::GreaterTest => {
BinaryOp::CmpOp(CmpOp::Ord { ordering: Ordering::Greater, strict: true })
}
ast::BinOp::Addition => BinaryOp::ArithOp(ArithOp::Add),
ast::BinOp::Multiplication => BinaryOp::ArithOp(ArithOp::Mul),
ast::BinOp::Subtraction => BinaryOp::ArithOp(ArithOp::Sub),