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-rw-r--r--crates/ra_hir_expand/src/hygiene.rs33
1 files changed, 22 insertions, 11 deletions
diff --git a/crates/ra_hir_expand/src/hygiene.rs b/crates/ra_hir_expand/src/hygiene.rs
index 0b41d0e95..6b482a60c 100644
--- a/crates/ra_hir_expand/src/hygiene.rs
+++ b/crates/ra_hir_expand/src/hygiene.rs
@@ -12,35 +12,38 @@ use crate::{
12 HirFileId, HirFileIdRepr, MacroCallId, MacroDefKind, 12 HirFileId, HirFileIdRepr, MacroCallId, MacroDefKind,
13}; 13};
14 14
15#[derive(Debug)] 15#[derive(Clone, Debug)]
16pub struct Hygiene { 16pub struct Hygiene {
17 // This is what `$crate` expands to 17 // This is what `$crate` expands to
18 def_crate: Option<CrateId>, 18 def_crate: Option<CrateId>,
19
20 // Indiciate this is a local inner macro
21 local_inner: bool,
19} 22}
20 23
21impl Hygiene { 24impl Hygiene {
22 pub fn new(db: &dyn AstDatabase, file_id: HirFileId) -> Hygiene { 25 pub fn new(db: &dyn AstDatabase, file_id: HirFileId) -> Hygiene {
23 let def_crate = match file_id.0 { 26 let (def_crate, local_inner) = match file_id.0 {
24 HirFileIdRepr::FileId(_) => None, 27 HirFileIdRepr::FileId(_) => (None, false),
25 HirFileIdRepr::MacroFile(macro_file) => match macro_file.macro_call_id { 28 HirFileIdRepr::MacroFile(macro_file) => match macro_file.macro_call_id {
26 MacroCallId::LazyMacro(id) => { 29 MacroCallId::LazyMacro(id) => {
27 let loc = db.lookup_intern_macro(id); 30 let loc = db.lookup_intern_macro(id);
28 match loc.def.kind { 31 match loc.def.kind {
29 MacroDefKind::Declarative => loc.def.krate, 32 MacroDefKind::Declarative => (loc.def.krate, loc.def.local_inner),
30 MacroDefKind::BuiltIn(_) => None, 33 MacroDefKind::BuiltIn(_) => (None, false),
31 MacroDefKind::BuiltInDerive(_) => None, 34 MacroDefKind::BuiltInDerive(_) => (None, false),
32 MacroDefKind::BuiltInEager(_) => None, 35 MacroDefKind::BuiltInEager(_) => (None, false),
33 MacroDefKind::CustomDerive(_) => None, 36 MacroDefKind::CustomDerive(_) => (None, false),
34 } 37 }
35 } 38 }
36 MacroCallId::EagerMacro(_id) => None, 39 MacroCallId::EagerMacro(_id) => (None, false),
37 }, 40 },
38 }; 41 };
39 Hygiene { def_crate } 42 Hygiene { def_crate, local_inner }
40 } 43 }
41 44
42 pub fn new_unhygienic() -> Hygiene { 45 pub fn new_unhygienic() -> Hygiene {
43 Hygiene { def_crate: None } 46 Hygiene { def_crate: None, local_inner: false }
44 } 47 }
45 48
46 // FIXME: this should just return name 49 // FIXME: this should just return name
@@ -52,4 +55,12 @@ impl Hygiene {
52 } 55 }
53 Either::Left(name_ref.as_name()) 56 Either::Left(name_ref.as_name())
54 } 57 }
58
59 pub fn local_inner_macros(&self) -> Option<CrateId> {
60 if self.local_inner {
61 self.def_crate
62 } else {
63 None
64 }
65 }
55} 66}