source_binder => match_ast!
@@ -12,7 +12,7 @@ use hir_expand::name::AsName;
use ra_db::FileId;
use ra_syntax::{
ast::{self, AstNode},
- AstPtr,
+ match_ast, AstPtr,
SyntaxKind::*,
SyntaxNode, SyntaxNodePtr, TextRange, TextUnit,
};
@@ -37,25 +37,35 @@ fn try_get_resolver_for_node(
file_id: FileId,
node: &SyntaxNode,
) -> Option<Resolver> {
- if let Some(module) = ast::Module::cast(node.clone()) {
- let src = crate::Source { file_id: file_id.into(), ast: module };
+ match_ast! {
+ match node {
+ ast::Module(it) => {
+ let src = crate::Source { file_id: file_id.into(), ast: it };
Some(crate::Module::from_declaration(db, src)?.resolver(db))
- } else if let Some(file) = ast::SourceFile::cast(node.clone()) {
+ },
+ ast::SourceFile(it) => {
let src =
- crate::Source { file_id: file_id.into(), ast: crate::ModuleSource::SourceFile(file) };
+ crate::Source { file_id: file_id.into(), ast: crate::ModuleSource::SourceFile(it) };
Some(crate::Module::from_definition(db, src)?.resolver(db))
- } else if let Some(s) = ast::StructDef::cast(node.clone()) {
- let src = crate::Source { file_id: file_id.into(), ast: s };
+ },
+ ast::StructDef(it) => {
+ let src = crate::Source { file_id: file_id.into(), ast: it };
Some(Struct::from_source(db, src)?.resolver(db))
- } else if let Some(e) = ast::EnumDef::cast(node.clone()) {
- let src = crate::Source { file_id: file_id.into(), ast: e };
+ },
+ ast::EnumDef(it) => {
+ let src = crate::Source { file_id: file_id.into(), ast: it };
Some(Enum::from_source(db, src)?.resolver(db))
- } else if node.kind() == FN_DEF || node.kind() == CONST_DEF || node.kind() == STATIC_DEF {
+ },
+ _ => {
+ if node.kind() == FN_DEF || node.kind() == CONST_DEF || node.kind() == STATIC_DEF {
Some(def_with_body_from_child_node(db, file_id, node)?.resolver(db))
} else {
// FIXME add missing cases
None
}
+ },
+ }
+ }
}
fn def_with_body_from_child_node(
@@ -68,16 +78,14 @@ fn def_with_body_from_child_node(
let ctx = LocationCtx::new(db, module.id, file_id.into());
node.ancestors().find_map(|node| {
- if let Some(def) = ast::FnDef::cast(node.clone()) {
- return Some(Function { id: ctx.to_def(&def) }.into());
+ match_ast! {
+ match node {
+ ast::FnDef(def) => { Some(Function {id: ctx.to_def(&def) }.into()) },
+ ast::ConstDef(def) => { Some(Const { id: ctx.to_def(&def) }.into()) },
+ ast::StaticDef(def) => { Some(Static { id: ctx.to_def(&def) }.into()) },
+ _ => { None },
}
- if let Some(def) = ast::ConstDef::cast(node.clone()) {
- return Some(Const { id: ctx.to_def(&def) }.into());
}
- if let Some(def) = ast::StaticDef::cast(node) {
- return Some(Static { id: ctx.to_def(&def) }.into());
- }
- None
})
}
