mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use match_ast! in FnCallNode::with_node

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
crates/ra_ide_api/src/call_info.rs
View File

@ -4,7 +4,7 @@
use ra_syntax::{
algo::ancestors_at_offset,
ast::{self, ArgListOwner},
AstNode, SyntaxNode, TextUnit,
match_ast, AstNode, SyntaxNode, TextUnit,
};
use test_utils::tested_by;
@ -91,14 +91,13 @@ enum FnCallNode {
impl FnCallNode {
fn with_node(syntax: &SyntaxNode, offset: TextUnit) -> Option<FnCallNode> {
ancestors_at_offset(syntax, offset).find_map(|node| {
if let Some(expr) = ast::CallExpr::cast(node.clone()) {
Some(FnCallNode::CallExpr(expr))
} else if let Some(expr) = ast::MethodCallExpr::cast(node.clone()) {
Some(FnCallNode::MethodCallExpr(expr))
} else if let Some(expr) = ast::MacroCall::cast(node) {
Some(FnCallNode::MacroCallExpr(expr))
} else {
None
match_ast! {
match node {
ast::CallExpr(it) => { Some(FnCallNode::CallExpr(it)) },
ast::MethodCallExpr(it) => { Some(FnCallNode::MethodCallExpr(it)) },
ast::MacroCall(it) => { Some(FnCallNode::MacroCallExpr(it)) },
_ => { None },
}
}
})
}