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simplify

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This commit is contained in:
Aleksey Kladov 2019-08-17 17:14:22 +03:00
parent d15cf2c960
commit fd4c083e42
1 changed files with 36 additions and 35 deletions
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71
crates/ra_syntax/src/ast/expr_extensions.rs
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@ -132,41 +132,42 @@ pub enum BinOp {
impl ast::BinExpr {
fn op_details(&self) -> Option<(SyntaxToken, BinOp)> {
self.syntax().children_with_tokens().filter_map(|it| it.into_token()).find_map(|c| match c
.kind()
{
T![||] => Some((c, BinOp::BooleanOr)),
T![&&] => Some((c, BinOp::BooleanAnd)),
T![==] => Some((c, BinOp::EqualityTest)),
T![!=] => Some((c, BinOp::NegatedEqualityTest)),
T![<=] => Some((c, BinOp::LesserEqualTest)),
T![>=] => Some((c, BinOp::GreaterEqualTest)),
T![<] => Some((c, BinOp::LesserTest)),
T![>] => Some((c, BinOp::GreaterTest)),
T![+] => Some((c, BinOp::Addition)),
T![*] => Some((c, BinOp::Multiplication)),
T![-] => Some((c, BinOp::Subtraction)),
T![/] => Some((c, BinOp::Division)),
T![%] => Some((c, BinOp::Remainder)),
T![<<] => Some((c, BinOp::LeftShift)),
T![>>] => Some((c, BinOp::RightShift)),
T![^] => Some((c, BinOp::BitwiseXor)),
T![|] => Some((c, BinOp::BitwiseOr)),
T![&] => Some((c, BinOp::BitwiseAnd)),
T![..] => Some((c, BinOp::RangeRightOpen)),
T![..=] => Some((c, BinOp::RangeRightClosed)),
T![=] => Some((c, BinOp::Assignment)),
T![+=] => Some((c, BinOp::AddAssign)),
T![/=] => Some((c, BinOp::DivAssign)),
T![*=] => Some((c, BinOp::MulAssign)),
T![%=] => Some((c, BinOp::RemAssign)),
T![>>=] => Some((c, BinOp::ShrAssign)),
T![<<=] => Some((c, BinOp::ShlAssign)),
T![-=] => Some((c, BinOp::SubAssign)),
T![|=] => Some((c, BinOp::BitOrAssign)),
T![&=] => Some((c, BinOp::BitAndAssign)),
T![^=] => Some((c, BinOp::BitXorAssign)),
_ => None,
self.syntax().children_with_tokens().filter_map(|it| it.into_token()).find_map(|c| {
let bin_op = match c.kind() {
T![||] => BinOp::BooleanOr,
T![&&] => BinOp::BooleanAnd,
T![==] => BinOp::EqualityTest,
T![!=] => BinOp::NegatedEqualityTest,
T![<=] => BinOp::LesserEqualTest,
T![>=] => BinOp::GreaterEqualTest,
T![<] => BinOp::LesserTest,
T![>] => BinOp::GreaterTest,
T![+] => BinOp::Addition,
T![*] => BinOp::Multiplication,
T![-] => BinOp::Subtraction,
T![/] => BinOp::Division,
T![%] => BinOp::Remainder,
T![<<] => BinOp::LeftShift,
T![>>] => BinOp::RightShift,
T![^] => BinOp::BitwiseXor,
T![|] => BinOp::BitwiseOr,
T![&] => BinOp::BitwiseAnd,
T![..] => BinOp::RangeRightOpen,
T![..=] => BinOp::RangeRightClosed,
T![=] => BinOp::Assignment,
T![+=] => BinOp::AddAssign,
T![/=] => BinOp::DivAssign,
T![*=] => BinOp::MulAssign,
T![%=] => BinOp::RemAssign,
T![>>=] => BinOp::ShrAssign,
T![<<=] => BinOp::ShlAssign,
T![-=] => BinOp::SubAssign,
T![|=] => BinOp::BitOrAssign,
T![&=] => BinOp::BitAndAssign,
T![^=] => BinOp::BitXorAssign,
_ => return None,
};
Some((c, bin_op))
})
}