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convenience api

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This commit is contained in:
Aleksey Kladov 2019-07-19 19:05:34 +03:00
parent a6df224f7d
commit 191a6ba330
8 changed files with 63 additions and 50 deletions
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72
crates/ra_syntax/src/ast/expr_extensions.rs
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@ -60,7 +60,7 @@ impl ast::PrefixExpr {
}
pub fn op_token(&self) -> Option<SyntaxToken> {
self.syntax().first_child_or_token()?.as_token().cloned()
self.syntax().first_child_or_token()?.into_token()
}
}
@ -132,41 +132,41 @@ pub enum BinOp {
impl ast::BinExpr {
fn op_details(&self) -> Option<(SyntaxToken, BinOp)> {
self.syntax().children_with_tokens().filter_map(|it| it.as_token().cloned()).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| 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,
})
}