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Use match_ast! in FnCallNode::with_node

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This commit is contained in:
kjeremy 2019-10-30 14:39:05 -04:00
parent 7ad55e976c
commit 4d17658940
1 changed files with 8 additions and 9 deletions
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17
crates/ra_ide_api/src/call_info.rs
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@ -4,7 +4,7 @@
use ra_syntax::{ use ra_syntax::{
algo::ancestors_at_offset, algo::ancestors_at_offset,
ast::{self, ArgListOwner}, ast::{self, ArgListOwner},
AstNode, SyntaxNode, TextUnit, match_ast, AstNode, SyntaxNode, TextUnit,
}; };
use test_utils::tested_by; use test_utils::tested_by;
@ -91,14 +91,13 @@ enum FnCallNode {
impl FnCallNode { impl FnCallNode {
fn with_node(syntax: &SyntaxNode, offset: TextUnit) -> Option<FnCallNode> { fn with_node(syntax: &SyntaxNode, offset: TextUnit) -> Option<FnCallNode> {
ancestors_at_offset(syntax, offset).find_map(|node| { ancestors_at_offset(syntax, offset).find_map(|node| {
if let Some(expr) = ast::CallExpr::cast(node.clone()) { match_ast! {
Some(FnCallNode::CallExpr(expr)) match node {
} else if let Some(expr) = ast::MethodCallExpr::cast(node.clone()) { ast::CallExpr(it) => { Some(FnCallNode::CallExpr(it)) },
Some(FnCallNode::MethodCallExpr(expr)) ast::MethodCallExpr(it) => { Some(FnCallNode::MethodCallExpr(it)) },
} else if let Some(expr) = ast::MacroCall::cast(node) { ast::MacroCall(it) => { Some(FnCallNode::MacroCallExpr(it)) },
Some(FnCallNode::MacroCallExpr(expr)) _ => { None },
} else { }
None
} }
}) })
} }