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fix: Report remaining macro errors in assoc item collection

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This commit is contained in:
Lukas Wirth 2023-04-22 11:24:50 +02:00
parent 2aa44c8e37
commit 77afc6e793
2 changed files with 130 additions and 79 deletions
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203
crates/hir-def/src/data.rs
View file

@ -4,7 +4,9 @@ pub mod adt;
use std::sync::Arc;
use hir_expand::{name::Name, AstId, ExpandResult, HirFileId, InFile, MacroCallId, MacroDefKind};
use hir_expand::{
name::Name, AstId, ExpandResult, HirFileId, InFile, MacroCallId, MacroCallKind, MacroDefKind,
};
use intern::Interned;
use smallvec::SmallVec;
use syntax::{ast, Parse};
@ -13,7 +15,9 @@ use crate::{
attr::Attrs,
db::DefDatabase,
expander::{Expander, Mark},
item_tree::{self, AssocItem, FnFlags, ItemTree, ItemTreeId, ModItem, Param, TreeId},
item_tree::{
self, AssocItem, FnFlags, ItemTree, ItemTreeId, MacroCall, ModItem, Param, TreeId,
},
macro_call_as_call_id, macro_id_to_def_id,
nameres::{
attr_resolution::ResolvedAttr,
@ -520,7 +524,7 @@ struct AssocItemCollector<'a> {
db: &'a dyn DefDatabase,
module_id: ModuleId,
def_map: Arc<DefMap>,
inactive_diagnostics: Vec<DefDiagnostic>,
diagnostics: Vec<DefDiagnostic>,
container: ItemContainerId,
expander: Expander,
@ -543,7 +547,7 @@ impl<'a> AssocItemCollector<'a> {
expander: Expander::new(db, file_id, module_id),
items: Vec::new(),
attr_calls: Vec::new(),
inactive_diagnostics: Vec::new(),
diagnostics: Vec::new(),
}
}
@ -557,11 +561,10 @@ impl<'a> AssocItemCollector<'a> {
(
self.items,
if self.attr_calls.is_empty() { None } else { Some(Box::new(self.attr_calls)) },
self.inactive_diagnostics,
self.diagnostics,
)
}
// FIXME: proc-macro diagnostics
fn collect(&mut self, item_tree: &ItemTree, tree_id: TreeId, assoc_items: &[AssocItem]) {
let container = self.container;
self.items.reserve(assoc_items.len());
@ -569,7 +572,7 @@ impl<'a> AssocItemCollector<'a> {
'items: for &item in assoc_items {
let attrs = item_tree.attrs(self.db, self.module_id.krate, ModItem::from(item).into());
if !attrs.is_cfg_enabled(self.expander.cfg_options()) {
self.inactive_diagnostics.push(DefDiagnostic::unconfigured_code(
self.diagnostics.push(DefDiagnostic::unconfigured_code(
self.module_id.local_id,
InFile::new(self.expander.current_file_id(), item.ast_id(item_tree).upcast()),
attrs.cfg().unwrap(),
@ -583,91 +586,126 @@ impl<'a> AssocItemCollector<'a> {
AstId::new(self.expander.current_file_id(), item.ast_id(item_tree).upcast());
let ast_id_with_path = AstIdWithPath { path: (*attr.path).clone(), ast_id };
if let Ok(ResolvedAttr::Macro(call_id)) = self.def_map.resolve_attr_macro(
match self.def_map.resolve_attr_macro(
self.db,
self.module_id.local_id,
ast_id_with_path,
attr,
) {
self.attr_calls.push((ast_id, call_id));
// If proc attribute macro expansion is disabled, skip expanding it here
if !self.db.expand_proc_attr_macros() {
continue 'attrs;
}
let loc = self.db.lookup_intern_macro_call(call_id);
if let MacroDefKind::ProcMacro(exp, ..) = loc.def.kind {
// If there's no expander for the proc macro (e.g. the
// proc macro is ignored, or building the proc macro
// crate failed), skip expansion like we would if it was
// disabled. This is analogous to the handling in
// `DefCollector::collect_macros`.
if exp.is_dummy() {
Ok(ResolvedAttr::Macro(call_id)) => {
self.attr_calls.push((ast_id, call_id));
// If proc attribute macro expansion is disabled, skip expanding it here
if !self.db.expand_proc_attr_macros() {
continue 'attrs;
}
}
let loc = self.db.lookup_intern_macro_call(call_id);
if let MacroDefKind::ProcMacro(exp, ..) = loc.def.kind {
// If there's no expander for the proc macro (e.g. the
// proc macro is ignored, or building the proc macro
// crate failed), skip expansion like we would if it was
// disabled. This is analogous to the handling in
// `DefCollector::collect_macros`.
if exp.is_dummy() {
continue 'attrs;
}
}
let res = self.expander.enter_expand_id::<ast::MacroItems>(self.db, call_id);
self.collect_macro_items(res, &|| loc.kind.clone());
continue 'items;
let res =
self.expander.enter_expand_id::<ast::MacroItems>(self.db, call_id);
self.collect_macro_items(res, &|| loc.kind.clone());
continue 'items;
}
Ok(_) => (),
Err(_) => {
self.diagnostics.push(DefDiagnostic::unresolved_macro_call(
self.module_id.local_id,
MacroCallKind::Attr {
ast_id,
attr_args: Arc::new((tt::Subtree::empty(), Default::default())),
invoc_attr_index: attr.id,
is_derive: false,
},
attr.path().clone(),
));
}
}
}
match item {
AssocItem::Function(id) => {
let item = &item_tree[id];
self.collect_item(item_tree, tree_id, container, item);
}
}
let def =
FunctionLoc { container, id: ItemTreeId::new(tree_id, id) }.intern(self.db);
self.items.push((item.name.clone(), def.into()));
}
AssocItem::Const(id) => {
let item = &item_tree[id];
fn collect_item(
&mut self,
item_tree: &ItemTree,
tree_id: TreeId,
container: ItemContainerId,
item: AssocItem,
) {
match item {
AssocItem::Function(id) => {
let item = &item_tree[id];
let name = match item.name.clone() {
Some(name) => name,
None => continue,
};
let def =
ConstLoc { container, id: ItemTreeId::new(tree_id, id) }.intern(self.db);
self.items.push((name, def.into()));
}
AssocItem::TypeAlias(id) => {
let item = &item_tree[id];
let def =
FunctionLoc { container, id: ItemTreeId::new(tree_id, id) }.intern(self.db);
self.items.push((item.name.clone(), def.into()));
}
AssocItem::Const(id) => {
let item = &item_tree[id];
let Some(name) = item.name.clone() else { return };
let def = ConstLoc { container, id: ItemTreeId::new(tree_id, id) }.intern(self.db);
self.items.push((name, def.into()));
}
AssocItem::TypeAlias(id) => {
let item = &item_tree[id];
let def = TypeAliasLoc { container, id: ItemTreeId::new(tree_id, id) }
.intern(self.db);
self.items.push((item.name.clone(), def.into()));
}
AssocItem::MacroCall(call) => {
let file_id = self.expander.current_file_id();
let call = &item_tree[call];
let module = self.expander.module.local_id;
let def =
TypeAliasLoc { container, id: ItemTreeId::new(tree_id, id) }.intern(self.db);
self.items.push((item.name.clone(), def.into()));
}
AssocItem::MacroCall(call) => {
let file_id = self.expander.current_file_id();
let MacroCall { ast_id, expand_to, ref path } = item_tree[call];
let module = self.expander.module.local_id;
if let Ok(Some(call_id)) = macro_call_as_call_id(
self.db.upcast(),
&AstIdWithPath::new(file_id, call.ast_id, Clone::clone(&call.path)),
call.expand_to,
self.expander.module.krate(),
|path| {
self.def_map
.resolve_path(
self.db,
module,
&path,
crate::item_scope::BuiltinShadowMode::Other,
)
.0
.take_macros()
.map(|it| macro_id_to_def_id(self.db, it))
},
) {
let resolver = |path| {
self.def_map
.resolve_path(
self.db,
module,
&path,
crate::item_scope::BuiltinShadowMode::Other,
)
.0
.take_macros()
.map(|it| macro_id_to_def_id(self.db, it))
};
match macro_call_as_call_id(
self.db.upcast(),
&AstIdWithPath::new(file_id, ast_id, Clone::clone(path)),
expand_to,
self.expander.module.krate(),
resolver,
) {
Ok(Some(call_id)) => {
let res =
self.expander.enter_expand_id::<ast::MacroItems>(self.db, call_id);
self.collect_macro_items(res, &|| hir_expand::MacroCallKind::FnLike {
ast_id: InFile::new(file_id, call.ast_id),
ast_id: InFile::new(file_id, ast_id),
expand_to: hir_expand::ExpandTo::Items,
});
}
Ok(None) => (),
Err(_) => {
self.diagnostics.push(DefDiagnostic::unresolved_macro_call(
self.module_id.local_id,
MacroCallKind::FnLike {
ast_id: InFile::new(file_id, ast_id),
expand_to,
},
Clone::clone(path),
));
}
}
}
}
@ -681,14 +719,25 @@ impl<'a> AssocItemCollector<'a> {
let Some((mark, parse)) = value else { return };
if let Some(err) = err {
self.inactive_diagnostics.push(DefDiagnostic::macro_error(
self.module_id.local_id,
error_call_kind(),
err.to_string(),
));
let diag = match err {
// why is this reported here?
hir_expand::ExpandError::UnresolvedProcMacro(krate) => {
DefDiagnostic::unresolved_proc_macro(
self.module_id.local_id,
error_call_kind(),
krate,
)
}
_ => DefDiagnostic::macro_error(
self.module_id.local_id,
error_call_kind(),
err.to_string(),
),
};
self.diagnostics.push(diag);
}
if let errors @ [_, ..] = parse.errors() {
self.inactive_diagnostics.push(DefDiagnostic::macro_expansion_parse_error(
self.diagnostics.push(DefDiagnostic::macro_expansion_parse_error(
self.module_id.local_id,
error_call_kind(),
errors.into(),

6
crates/hir-def/src/nameres/diagnostics.rs
View file

@ -88,7 +88,8 @@ impl DefDiagnostic {
Self { in_module: container, kind: DefDiagnosticKind::UnconfiguredCode { ast, cfg, opts } }
}
pub(super) fn unresolved_proc_macro(
// FIXME: Whats the difference between this and unresolved_macro_call
pub(crate) fn unresolved_proc_macro(
container: LocalModuleId,
ast: MacroCallKind,
krate: CrateId,
@ -118,7 +119,8 @@ impl DefDiagnostic {
}
}
pub(super) fn unresolved_macro_call(
// FIXME: Whats the difference between this and unresolved_proc_macro
pub(crate) fn unresolved_macro_call(
container: LocalModuleId,
ast: MacroCallKind,
path: ModPath,