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Add BoxPat variant

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This commit is contained in:
Dylan MacKenzie 2019-08-23 13:04:58 -07:00
parent fdece911fe
commit e6f3790106
3 changed files with 41 additions and 2 deletions
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39
crates/ra_syntax/src/ast/generated.rs
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@ -307,6 +307,33 @@ impl BlockExpr {
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct BoxPat {
pub(crate) syntax: SyntaxNode,
}
impl AstNode for BoxPat {
fn can_cast(kind: SyntaxKind) -> bool {
match kind {
BOX_PAT => true,
_ => false,
}
}
fn cast(syntax: SyntaxNode) -> Option<Self> {
if Self::can_cast(syntax.kind()) {
Some(Self { syntax })
} else {
None
}
}
fn syntax(&self) -> &SyntaxNode {
&self.syntax
}
}
impl BoxPat {
pub fn pat(&self) -> Option<Pat> {
AstChildren::new(&self.syntax).next()
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct BreakExpr {
pub(crate) syntax: SyntaxNode,
}
@ -2063,6 +2090,7 @@ impl ParenType {
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum Pat {
RefPat(RefPat),
BoxPat(BoxPat),
BindPat(BindPat),
PlaceholderPat(PlaceholderPat),
PathPat(PathPat),
@ -2078,6 +2106,11 @@ impl From<RefPat> for Pat {
Pat::RefPat(node)
}
}
impl From<BoxPat> for Pat {
fn from(node: BoxPat) -> Pat {
Pat::BoxPat(node)
}
}
impl From<BindPat> for Pat {
fn from(node: BindPat) -> Pat {
Pat::BindPat(node)
@ -2126,14 +2159,15 @@ impl From<LiteralPat> for Pat {
impl AstNode for Pat {
fn can_cast(kind: SyntaxKind) -> bool {
match kind {
REF_PAT | BIND_PAT | PLACEHOLDER_PAT | PATH_PAT | RECORD_PAT | TUPLE_STRUCT_PAT
| TUPLE_PAT | SLICE_PAT | RANGE_PAT | LITERAL_PAT => true,
REF_PAT | BOX_PAT | BIND_PAT | PLACEHOLDER_PAT | PATH_PAT | RECORD_PAT
| TUPLE_STRUCT_PAT | TUPLE_PAT | SLICE_PAT | RANGE_PAT | LITERAL_PAT => true,
_ => false,
}
}
fn cast(syntax: SyntaxNode) -> Option<Self> {
let res = match syntax.kind() {
REF_PAT => Pat::RefPat(RefPat { syntax }),
BOX_PAT => Pat::BoxPat(BoxPat { syntax }),
BIND_PAT => Pat::BindPat(BindPat { syntax }),
PLACEHOLDER_PAT => Pat::PlaceholderPat(PlaceholderPat { syntax }),
PATH_PAT => Pat::PathPat(PathPat { syntax }),
@ -2150,6 +2184,7 @@ impl AstNode for Pat {
fn syntax(&self) -> &SyntaxNode {
match self {
Pat::RefPat(it) => &it.syntax,
Pat::BoxPat(it) => &it.syntax,
Pat::BindPat(it) => &it.syntax,
Pat::PlaceholderPat(it) => &it.syntax,
Pat::PathPat(it) => &it.syntax,