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-rw-r--r--crates/ra_hir_def/src/body.rs54
-rw-r--r--crates/ra_hir_def/src/lib.rs63
-rw-r--r--crates/ra_hir_def/src/nameres/collector.rs79
3 files changed, 125 insertions, 71 deletions
diff --git a/crates/ra_hir_def/src/body.rs b/crates/ra_hir_def/src/body.rs
index 142c52d35..010d35e55 100644
--- a/crates/ra_hir_def/src/body.rs
+++ b/crates/ra_hir_def/src/body.rs
@@ -7,9 +7,7 @@ use std::{mem, ops::Index, sync::Arc};
7 7
8use drop_bomb::DropBomb; 8use drop_bomb::DropBomb;
9use either::Either; 9use either::Either;
10use hir_expand::{ 10use hir_expand::{ast_id_map::AstIdMap, hygiene::Hygiene, AstId, HirFileId, InFile, MacroDefId};
11 ast_id_map::AstIdMap, hygiene::Hygiene, AstId, HirFileId, InFile, MacroCallKind, MacroDefId,
12};
13use ra_arena::{map::ArenaMap, Arena}; 11use ra_arena::{map::ArenaMap, Arena};
14use ra_prof::profile; 12use ra_prof::profile;
15use ra_syntax::{ast, AstNode, AstPtr}; 13use ra_syntax::{ast, AstNode, AstPtr};
@@ -23,7 +21,7 @@ use crate::{
23 nameres::CrateDefMap, 21 nameres::CrateDefMap,
24 path::{ModPath, Path}, 22 path::{ModPath, Path},
25 src::HasSource, 23 src::HasSource,
26 DefWithBodyId, HasModule, Lookup, ModuleId, 24 AsMacroCall, DefWithBodyId, HasModule, Lookup, ModuleId,
27}; 25};
28 26
29pub(crate) struct Expander { 27pub(crate) struct Expander {
@@ -51,30 +49,26 @@ impl Expander {
51 db: &DB, 49 db: &DB,
52 macro_call: ast::MacroCall, 50 macro_call: ast::MacroCall,
53 ) -> Option<(Mark, T)> { 51 ) -> Option<(Mark, T)> {
54 let ast_id = AstId::new( 52 let macro_call = InFile::new(self.current_file_id, &macro_call);
55 self.current_file_id, 53
56 db.ast_id_map(self.current_file_id).ast_id(&macro_call), 54 if let Some(call_id) =
57 ); 55 macro_call.as_call_id(db, |path| self.resolve_path_as_macro(db, &path))
58 56 {
59 if let Some(path) = macro_call.path().and_then(|path| self.parse_mod_path(path)) { 57 let file_id = call_id.as_file();
60 if let Some(def) = self.resolve_path_as_macro(db, &path) { 58 if let Some(node) = db.parse_or_expand(file_id) {
61 let call_id = def.as_call_id(db, MacroCallKind::FnLike(ast_id)); 59 if let Some(expr) = T::cast(node) {
62 let file_id = call_id.as_file(); 60 log::debug!("macro expansion {:#?}", expr.syntax());
63 if let Some(node) = db.parse_or_expand(file_id) { 61
64 if let Some(expr) = T::cast(node) { 62 let mark = Mark {
65 log::debug!("macro expansion {:#?}", expr.syntax()); 63 file_id: self.current_file_id,
66 64 ast_id_map: mem::take(&mut self.ast_id_map),
67 let mark = Mark { 65 bomb: DropBomb::new("expansion mark dropped"),
68 file_id: self.current_file_id, 66 };
69 ast_id_map: mem::take(&mut self.ast_id_map), 67 self.hygiene = Hygiene::new(db, file_id);
70 bomb: DropBomb::new("expansion mark dropped"), 68 self.current_file_id = file_id;
71 }; 69 self.ast_id_map = db.ast_id_map(file_id);
72 self.hygiene = Hygiene::new(db, file_id); 70
73 self.current_file_id = file_id; 71 return Some((mark, expr));
74 self.ast_id_map = db.ast_id_map(file_id);
75
76 return Some((mark, expr));
77 }
78 } 72 }
79 } 73 }
80 } 74 }
@@ -99,10 +93,6 @@ impl Expander {
99 Path::from_src(path, &self.hygiene) 93 Path::from_src(path, &self.hygiene)
100 } 94 }
101 95
102 fn parse_mod_path(&mut self, path: ast::Path) -> Option<ModPath> {
103 ModPath::from_src(path, &self.hygiene)
104 }
105
106 fn resolve_path_as_macro(&self, db: &impl DefDatabase, path: &ModPath) -> Option<MacroDefId> { 96 fn resolve_path_as_macro(&self, db: &impl DefDatabase, path: &ModPath) -> Option<MacroDefId> {
107 self.crate_def_map 97 self.crate_def_map
108 .resolve_path(db, self.module.local_id, path, BuiltinShadowMode::Other) 98 .resolve_path(db, self.module.local_id, path, BuiltinShadowMode::Other)
diff --git a/crates/ra_hir_def/src/lib.rs b/crates/ra_hir_def/src/lib.rs
index feb3a300d..aa0b558b8 100644
--- a/crates/ra_hir_def/src/lib.rs
+++ b/crates/ra_hir_def/src/lib.rs
@@ -46,7 +46,10 @@ mod marks;
46 46
47use std::hash::Hash; 47use std::hash::Hash;
48 48
49use hir_expand::{ast_id_map::FileAstId, AstId, HirFileId, InFile, MacroDefId}; 49use hir_expand::{
50 ast_id_map::FileAstId, db::AstDatabase, hygiene::Hygiene, AstId, HirFileId, InFile,
51 MacroCallId, MacroCallKind, MacroDefId,
52};
50use ra_arena::{impl_arena_id, RawId}; 53use ra_arena::{impl_arena_id, RawId};
51use ra_db::{impl_intern_key, salsa, CrateId}; 54use ra_db::{impl_intern_key, salsa, CrateId};
52use ra_syntax::{ast, AstNode}; 55use ra_syntax::{ast, AstNode};
@@ -413,3 +416,61 @@ impl HasModule for StaticLoc {
413 self.container.module(db) 416 self.container.module(db)
414 } 417 }
415} 418}
419
420/// A helper trait for converting to MacroCallId
421pub trait AsMacroCall {
422 fn as_call_id(
423 &self,
424 db: &(impl db::DefDatabase + AstDatabase),
425 resolver: impl Fn(path::ModPath) -> Option<MacroDefId>,
426 ) -> Option<MacroCallId>;
427}
428
429impl AsMacroCall for InFile<&ast::MacroCall> {
430 fn as_call_id(
431 &self,
432 db: &(impl db::DefDatabase + AstDatabase),
433 resolver: impl Fn(path::ModPath) -> Option<MacroDefId>,
434 ) -> Option<MacroCallId> {
435 let ast_id = AstId::new(self.file_id, db.ast_id_map(self.file_id).ast_id(self.value));
436 let h = Hygiene::new(db, self.file_id);
437 let path = path::ModPath::from_src(self.value.path()?, &h)?;
438
439 AstIdWithPath::new(ast_id.file_id, ast_id.value, path).as_call_id(db, resolver)
440 }
441}
442
443/// Helper wrapper for `AstId` with `ModPath`
444#[derive(Clone, Debug, Eq, PartialEq)]
445struct AstIdWithPath<T: ast::AstNode> {
446 pub ast_id: AstId<T>,
447 pub path: path::ModPath,
448}
449
450impl<T: ast::AstNode> AstIdWithPath<T> {
451 pub fn new(file_id: HirFileId, ast_id: FileAstId<T>, path: path::ModPath) -> AstIdWithPath<T> {
452 AstIdWithPath { ast_id: AstId::new(file_id, ast_id), path }
453 }
454}
455
456impl AsMacroCall for AstIdWithPath<ast::MacroCall> {
457 fn as_call_id(
458 &self,
459 db: &impl AstDatabase,
460 resolver: impl Fn(path::ModPath) -> Option<MacroDefId>,
461 ) -> Option<MacroCallId> {
462 let def = resolver(self.path.clone())?;
463 Some(def.as_call_id(db, MacroCallKind::FnLike(self.ast_id.clone())))
464 }
465}
466
467impl AsMacroCall for AstIdWithPath<ast::ModuleItem> {
468 fn as_call_id(
469 &self,
470 db: &impl AstDatabase,
471 resolver: impl Fn(path::ModPath) -> Option<MacroDefId>,
472 ) -> Option<MacroCallId> {
473 let def = resolver(self.path.clone())?;
474 Some(def.as_call_id(db, MacroCallKind::Attr(self.ast_id.clone())))
475 }
476}
diff --git a/crates/ra_hir_def/src/nameres/collector.rs b/crates/ra_hir_def/src/nameres/collector.rs
index 6352c71ef..51c65a5d7 100644
--- a/crates/ra_hir_def/src/nameres/collector.rs
+++ b/crates/ra_hir_def/src/nameres/collector.rs
@@ -7,7 +7,7 @@ use hir_expand::{
7 builtin_derive::find_builtin_derive, 7 builtin_derive::find_builtin_derive,
8 builtin_macro::find_builtin_macro, 8 builtin_macro::find_builtin_macro,
9 name::{name, AsName, Name}, 9 name::{name, AsName, Name},
10 HirFileId, MacroCallId, MacroCallKind, MacroDefId, MacroDefKind, 10 HirFileId, MacroCallId, MacroDefId, MacroDefKind,
11}; 11};
12use ra_cfg::CfgOptions; 12use ra_cfg::CfgOptions;
13use ra_db::{CrateId, FileId}; 13use ra_db::{CrateId, FileId};
@@ -25,8 +25,9 @@ use crate::{
25 path::{ImportAlias, ModPath, PathKind}, 25 path::{ImportAlias, ModPath, PathKind},
26 per_ns::PerNs, 26 per_ns::PerNs,
27 visibility::Visibility, 27 visibility::Visibility,
28 AdtId, AstId, ConstLoc, ContainerId, EnumLoc, EnumVariantId, FunctionLoc, ImplLoc, Intern, 28 AdtId, AsMacroCall, AstId, AstIdWithPath, ConstLoc, ContainerId, EnumLoc, EnumVariantId,
29 LocalModuleId, ModuleDefId, ModuleId, StaticLoc, StructLoc, TraitLoc, TypeAliasLoc, UnionLoc, 29 FunctionLoc, ImplLoc, Intern, LocalModuleId, ModuleDefId, ModuleId, StaticLoc, StructLoc,
30 TraitLoc, TypeAliasLoc, UnionLoc,
30}; 31};
31 32
32pub(super) fn collect_defs(db: &impl DefDatabase, mut def_map: CrateDefMap) -> CrateDefMap { 33pub(super) fn collect_defs(db: &impl DefDatabase, mut def_map: CrateDefMap) -> CrateDefMap {
@@ -99,11 +100,16 @@ struct ImportDirective {
99#[derive(Clone, Debug, Eq, PartialEq)] 100#[derive(Clone, Debug, Eq, PartialEq)]
100struct MacroDirective { 101struct MacroDirective {
101 module_id: LocalModuleId, 102 module_id: LocalModuleId,
102 ast_id: AstId<ast::MacroCall>, 103 ast_id: AstIdWithPath<ast::MacroCall>,
103 path: ModPath,
104 legacy: Option<MacroCallId>, 104 legacy: Option<MacroCallId>,
105} 105}
106 106
107#[derive(Clone, Debug, Eq, PartialEq)]
108struct DeriveDirective {
109 module_id: LocalModuleId,
110 ast_id: AstIdWithPath<ast::ModuleItem>,
111}
112
107/// Walks the tree of module recursively 113/// Walks the tree of module recursively
108struct DefCollector<'a, DB> { 114struct DefCollector<'a, DB> {
109 db: &'a DB, 115 db: &'a DB,
@@ -112,7 +118,7 @@ struct DefCollector<'a, DB> {
112 unresolved_imports: Vec<ImportDirective>, 118 unresolved_imports: Vec<ImportDirective>,
113 resolved_imports: Vec<ImportDirective>, 119 resolved_imports: Vec<ImportDirective>,
114 unexpanded_macros: Vec<MacroDirective>, 120 unexpanded_macros: Vec<MacroDirective>,
115 unexpanded_attribute_macros: Vec<(LocalModuleId, AstId<ast::ModuleItem>, ModPath)>, 121 unexpanded_attribute_macros: Vec<DeriveDirective>,
116 mod_dirs: FxHashMap<LocalModuleId, ModDir>, 122 mod_dirs: FxHashMap<LocalModuleId, ModDir>,
117 cfg_options: &'a CfgOptions, 123 cfg_options: &'a CfgOptions,
118} 124}
@@ -146,7 +152,7 @@ where
146 ReachedFixedPoint::Yes => break, 152 ReachedFixedPoint::Yes => break,
147 ReachedFixedPoint::No => i += 1, 153 ReachedFixedPoint::No => i += 1,
148 } 154 }
149 if i == 1000 { 155 if i == 10000 {
150 log::error!("name resolution is stuck"); 156 log::error!("name resolution is stuck");
151 break; 157 break;
152 } 158 }
@@ -515,16 +521,16 @@ where
515 return false; 521 return false;
516 } 522 }
517 523
518 let resolved_res = self.def_map.resolve_path_fp_with_macro( 524 if let Some(call_id) = directive.ast_id.as_call_id(self.db, |path| {
519 self.db, 525 let resolved_res = self.def_map.resolve_path_fp_with_macro(
520 ResolveMode::Other, 526 self.db,
521 directive.module_id, 527 ResolveMode::Other,
522 &directive.path, 528 directive.module_id,
523 BuiltinShadowMode::Module, 529 &path,
524 ); 530 BuiltinShadowMode::Module,
525 531 );
526 if let Some(def) = resolved_res.resolved_def.take_macros() { 532 resolved_res.resolved_def.take_macros()
527 let call_id = def.as_call_id(self.db, MacroCallKind::FnLike(directive.ast_id)); 533 }) {
528 resolved.push((directive.module_id, call_id)); 534 resolved.push((directive.module_id, call_id));
529 res = ReachedFixedPoint::No; 535 res = ReachedFixedPoint::No;
530 return false; 536 return false;
@@ -532,12 +538,11 @@ where
532 538
533 true 539 true
534 }); 540 });
535 attribute_macros.retain(|(module_id, ast_id, path)| { 541 attribute_macros.retain(|directive| {
536 let resolved_res = self.resolve_attribute_macro(path); 542 if let Some(call_id) =
537 543 directive.ast_id.as_call_id(self.db, |path| self.resolve_attribute_macro(&path))
538 if let Some(def) = resolved_res { 544 {
539 let call_id = def.as_call_id(self.db, MacroCallKind::Attr(*ast_id)); 545 resolved.push((directive.module_id, call_id));
540 resolved.push((*module_id, call_id));
541 res = ReachedFixedPoint::No; 546 res = ReachedFixedPoint::No;
542 return false; 547 return false;
543 } 548 }
@@ -833,20 +838,22 @@ where
833 }; 838 };
834 let path = ModPath::from_tt_ident(ident); 839 let path = ModPath::from_tt_ident(ident);
835 840
836 let ast_id = AstId::new(self.file_id, def.kind.ast_id()); 841 let ast_id = AstIdWithPath::new(self.file_id, def.kind.ast_id(), path);
837 self.def_collector.unexpanded_attribute_macros.push((self.module_id, ast_id, path)); 842 self.def_collector
843 .unexpanded_attribute_macros
844 .push(DeriveDirective { module_id: self.module_id, ast_id });
838 } 845 }
839 } 846 }
840 } 847 }
841 848
842 fn collect_macro(&mut self, mac: &raw::MacroData) { 849 fn collect_macro(&mut self, mac: &raw::MacroData) {
843 let ast_id = AstId::new(self.file_id, mac.ast_id); 850 let mut ast_id = AstIdWithPath::new(self.file_id, mac.ast_id, mac.path.clone());
844 851
845 // Case 0: builtin macros 852 // Case 0: builtin macros
846 if mac.builtin { 853 if mac.builtin {
847 if let Some(name) = &mac.name { 854 if let Some(name) = &mac.name {
848 let krate = self.def_collector.def_map.krate; 855 let krate = self.def_collector.def_map.krate;
849 if let Some(macro_id) = find_builtin_macro(name, krate, ast_id) { 856 if let Some(macro_id) = find_builtin_macro(name, krate, ast_id.ast_id) {
850 self.def_collector.define_macro( 857 self.def_collector.define_macro(
851 self.module_id, 858 self.module_id,
852 name.clone(), 859 name.clone(),
@@ -862,7 +869,7 @@ where
862 if is_macro_rules(&mac.path) { 869 if is_macro_rules(&mac.path) {
863 if let Some(name) = &mac.name { 870 if let Some(name) = &mac.name {
864 let macro_id = MacroDefId { 871 let macro_id = MacroDefId {
865 ast_id: Some(ast_id), 872 ast_id: Some(ast_id.ast_id),
866 krate: Some(self.def_collector.def_map.krate), 873 krate: Some(self.def_collector.def_map.krate),
867 kind: MacroDefKind::Declarative, 874 kind: MacroDefKind::Declarative,
868 }; 875 };
@@ -872,15 +879,13 @@ where
872 } 879 }
873 880
874 // Case 2: try to resolve in legacy scope and expand macro_rules 881 // Case 2: try to resolve in legacy scope and expand macro_rules
875 if let Some(macro_def) = mac.path.as_ident().and_then(|name| { 882 if let Some(macro_call_id) = ast_id.as_call_id(self.def_collector.db, |path| {
876 self.def_collector.def_map[self.module_id].scope.get_legacy_macro(&name) 883 path.as_ident().and_then(|name| {
884 self.def_collector.def_map[self.module_id].scope.get_legacy_macro(&name)
885 })
877 }) { 886 }) {
878 let macro_call_id =
879 macro_def.as_call_id(self.def_collector.db, MacroCallKind::FnLike(ast_id));
880
881 self.def_collector.unexpanded_macros.push(MacroDirective { 887 self.def_collector.unexpanded_macros.push(MacroDirective {
882 module_id: self.module_id, 888 module_id: self.module_id,
883 path: mac.path.clone(),
884 ast_id, 889 ast_id,
885 legacy: Some(macro_call_id), 890 legacy: Some(macro_call_id),
886 }); 891 });
@@ -890,14 +895,12 @@ where
890 895
891 // Case 3: resolve in module scope, expand during name resolution. 896 // Case 3: resolve in module scope, expand during name resolution.
892 // We rewrite simple path `macro_name` to `self::macro_name` to force resolve in module scope only. 897 // We rewrite simple path `macro_name` to `self::macro_name` to force resolve in module scope only.
893 let mut path = mac.path.clone(); 898 if ast_id.path.is_ident() {
894 if path.is_ident() { 899 ast_id.path.kind = PathKind::Super(0);
895 path.kind = PathKind::Super(0);
896 } 900 }
897 901
898 self.def_collector.unexpanded_macros.push(MacroDirective { 902 self.def_collector.unexpanded_macros.push(MacroDirective {
899 module_id: self.module_id, 903 module_id: self.module_id,
900 path,
901 ast_id, 904 ast_id,
902 legacy: None, 905 legacy: None,
903 }); 906 });