Unnamed repository; edit this file 'description' to name the repository.
fix source_to_def trying to use attribute macro calls as containers
Lukas Wirth 2021-09-14
parent d1e4891 · commit 0f4463e
-rw-r--r--crates/hir/src/semantics.rs1
-rw-r--r--crates/hir/src/semantics/source_to_def.rs17
-rw-r--r--crates/hir_expand/src/lib.rs31
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlighting.html2
4 files changed, 44 insertions, 7 deletions
diff --git a/crates/hir/src/semantics.rs b/crates/hir/src/semantics.rs
index e4b9f479e8..1aa0d61fe6 100644
--- a/crates/hir/src/semantics.rs
+++ b/crates/hir/src/semantics.rs
@@ -569,7 +569,6 @@ impl<'db> SemanticsImpl<'db> {
node: &SyntaxNode,
offset: TextSize,
) -> impl Iterator<Item = impl Iterator<Item = SyntaxNode> + '_> + '_ {
- // Handle macro token cases
node.token_at_offset(offset)
.map(move |token| self.descend_into_macros(token))
.map(|descendants| {
diff --git a/crates/hir/src/semantics/source_to_def.rs b/crates/hir/src/semantics/source_to_def.rs
index 1f80fd3404..723c7a1727 100644
--- a/crates/hir/src/semantics/source_to_def.rs
+++ b/crates/hir/src/semantics/source_to_def.rs
@@ -131,8 +131,12 @@ impl SourceToDefCtx<'_, '_> {
pub(super) fn module_to_def(&mut self, src: InFile<ast::Module>) -> Option<ModuleId> {
let _p = profile::span("module_to_def");
- let parent_declaration =
- src.syntax().cloned().ancestors_with_macros(self.db.upcast()).skip(1).find_map(|it| {
+ let parent_declaration = src
+ .syntax()
+ .cloned()
+ .ancestors_with_macros_skip_attr_item(self.db.upcast())
+ .skip(1)
+ .find_map(|it| {
let m = ast::Module::cast(it.value.clone())?;
Some(it.with_value(m))
});
@@ -306,7 +310,8 @@ impl SourceToDefCtx<'_, '_> {
}
pub(super) fn find_container(&mut self, src: InFile<&SyntaxNode>) -> Option<ChildContainer> {
- for container in src.cloned().ancestors_with_macros(self.db.upcast()).skip(1) {
+ for container in src.cloned().ancestors_with_macros_skip_attr_item(self.db.upcast()).skip(1)
+ {
if let Some(res) = self.container_to_def(container) {
return Some(res);
}
@@ -370,7 +375,8 @@ impl SourceToDefCtx<'_, '_> {
}
fn find_generic_param_container(&mut self, src: InFile<&SyntaxNode>) -> Option<GenericDefId> {
- for container in src.cloned().ancestors_with_macros(self.db.upcast()).skip(1) {
+ for container in src.cloned().ancestors_with_macros_skip_attr_item(self.db.upcast()).skip(1)
+ {
let res: GenericDefId = match_ast! {
match (container.value) {
ast::Fn(it) => self.fn_to_def(container.with_value(it))?.into(),
@@ -388,7 +394,8 @@ impl SourceToDefCtx<'_, '_> {
}
fn find_pat_or_label_container(&mut self, src: InFile<&SyntaxNode>) -> Option<DefWithBodyId> {
- for container in src.cloned().ancestors_with_macros(self.db.upcast()).skip(1) {
+ for container in src.cloned().ancestors_with_macros_skip_attr_item(self.db.upcast()).skip(1)
+ {
let res: DefWithBodyId = match_ast! {
match (container.value) {
ast::Const(it) => self.const_to_def(container.with_value(it))?.into(),
diff --git a/crates/hir_expand/src/lib.rs b/crates/hir_expand/src/lib.rs
index b666cf8dda..8bb56e0700 100644
--- a/crates/hir_expand/src/lib.rs
+++ b/crates/hir_expand/src/lib.rs
@@ -186,6 +186,17 @@ impl HirFileId {
}
}
+ /// Return whether this file is an include macro
+ pub fn is_attr_macro(&self, db: &dyn db::AstDatabase) -> bool {
+ match self.0 {
+ HirFileIdRepr::MacroFile(macro_file) => {
+ let loc: MacroCallLoc = db.lookup_intern_macro(macro_file.macro_call_id);
+ matches!(loc.kind, MacroCallKind::Attr { .. })
+ }
+ _ => false,
+ }
+ }
+
pub fn is_macro(self) -> bool {
matches!(self.0, HirFileIdRepr::MacroFile(_))
}
@@ -534,6 +545,26 @@ impl InFile<SyntaxNode> {
}
})
}
+
+ /// Skips the attributed item that caused the macro invocation we are climbing up
+ pub fn ancestors_with_macros_skip_attr_item(
+ self,
+ db: &dyn db::AstDatabase,
+ ) -> impl Iterator<Item = InFile<SyntaxNode>> + '_ {
+ iter::successors(Some(self), move |node| match node.value.parent() {
+ Some(parent) => Some(node.with_value(parent)),
+ None => {
+ let parent_node = node.file_id.call_node(db)?;
+ if node.file_id.is_attr_macro(db) {
+ // macro call was an attributed item, skip it
+ // FIXME: does this fail if this is a direct expansion of another macro?
+ parent_node.map(|node| node.parent()).transpose()
+ } else {
+ Some(parent_node)
+ }
+ }
+ })
+ }
}
impl<'a> InFile<&'a SyntaxNode> {
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlighting.html b/crates/ide/src/syntax_highlighting/test_data/highlighting.html
index 80533d1faa..448b30aa84 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlighting.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlighting.html
@@ -52,7 +52,7 @@ pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
<span class="brace">}</span>
<span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="module attribute">proc_macros</span><span class="operator attribute">::</span><span class="builtin_attr attribute">identity</span><span class="attribute attribute">]</span>
-<span class="keyword">pub</span> <span class="keyword">mod</span> <span class="module declaration">ops</span> <span class="brace">{</span>
+<span class="keyword">pub</span> <span class="keyword">mod</span> <span class="module declaration public">ops</span> <span class="brace">{</span>
<span class="attribute attribute">#</span><span class="attribute attribute">[</span><span class="builtin_attr attribute">lang</span> <span class="operator attribute">=</span> <span class="string_literal attribute">"fn_once"</span><span class="attribute attribute">]</span>
<span class="keyword">pub</span> <span class="keyword">trait</span> <span class="trait declaration public">FnOnce</span><span class="angle">&lt;</span><span class="type_param declaration">Args</span><span class="angle">&gt;</span> <span class="brace">{</span><span class="brace">}</span>