5 files changed, 14 insertions, 43 deletions

diff --git a/crates/ra_analysis/src/db.rs b/crates/ra_analysis/src/db.rs
index 712f72484..2a71cc2b6 100644
--- a/crates/ra_analysis/src/db.rs
+++ b/crates/ra_analysis/src/db.rs
@@ -1,7 +1,6 @@
 use std::{fmt, sync::Arc};
 use salsa::{self, Database};
 use ra_db::{LocationIntener, BaseDatabase};
-use hir::{self, DefId, DefLoc};
 
 use crate::{
     symbol_index,
@@ -15,7 +14,8 @@ pub(crate) struct RootDatabase {
 
 #[derive(Default)]
 struct IdMaps {
-    defs: LocationIntener<DefLoc, DefId>,
+    defs: LocationIntener<hir::DefLoc, hir::DefId>,
+    macros: LocationIntener<hir::MacroInvocationLoc, hir::MacroInvocationId>,
 }
 
 impl fmt::Debug for IdMaps {
@@ -59,12 +59,18 @@ impl salsa::ParallelDatabase for RootDatabase {
 
 impl BaseDatabase for RootDatabase {}
 
-impl AsRef<LocationIntener<DefLoc, DefId>> for RootDatabase {
-    fn as_ref(&self) -> &LocationIntener<DefLoc, DefId> {
+impl AsRef<LocationIntener<hir::DefLoc, hir::DefId>> for RootDatabase {
+    fn as_ref(&self) -> &LocationIntener<hir::DefLoc, hir::DefId> {
         &self.id_maps.defs
     }
 }
 
+impl AsRef<LocationIntener<hir::MacroInvocationLoc, hir::MacroInvocationId>> for RootDatabase {
+    fn as_ref(&self) -> &LocationIntener<hir::MacroInvocationLoc, hir::MacroInvocationId> {
+        &self.id_maps.macros
+    }
+}
+
 salsa::database_storage! {
     pub(crate) struct RootDatabaseStorage for RootDatabase {
         impl ra_db::FilesDatabase {
@@ -85,6 +91,7 @@ salsa::database_storage! {
             fn library_symbols() for symbol_index::LibrarySymbolsQuery;
         }
         impl hir::db::HirDatabase {
+            fn expand_macro_invocation() for hir::db::ExpandMacroInvocationQuery;
             fn module_tree() for hir::db::ModuleTreeQuery;
             fn fn_scopes() for hir::db::FnScopesQuery;
             fn file_items() for hir::db::SourceFileItemsQuery;
@@ -98,8 +105,5 @@ salsa::database_storage! {
             fn struct_data() for hir::db::StructDataQuery;
             fn enum_data() for hir::db::EnumDataQuery;
         }
-        impl hir::MacroDatabase {
-            fn expand_macro() for hir::ExpandMacroQuery;
-        }
     }
 }
diff --git a/crates/ra_analysis/src/extend_selection.rs b/crates/ra_analysis/src/extend_selection.rs
index 62133ef29..f1b77f981 100644
--- a/crates/ra_analysis/src/extend_selection.rs
+++ b/crates/ra_analysis/src/extend_selection.rs
@@ -18,12 +18,12 @@ pub(crate) fn extend_selection(db: &RootDatabase, frange: FileRange) -> TextRang
 }
 
 fn extend_selection_in_macro(
-    db: &RootDatabase,
+    _db: &RootDatabase,
     source_file: &SourceFileNode,
     frange: FileRange,
 ) -> Option<TextRange> {
     let macro_call = find_macro_call(source_file.syntax(), frange.range)?;
-    let (off, exp) = crate::macros::expand(db, frange.file_id, macro_call)?;
+    let (off, exp) = hir::MacroDef::ast_expand(macro_call)?;
     let dst_range = exp.map_range_forward(frange.range - off)?;
     let dst_range = ra_editor::extend_selection(exp.syntax().borrowed(), dst_range)?;
     let src_range = exp.map_range_back(dst_range)? + off;
diff --git a/crates/ra_analysis/src/lib.rs b/crates/ra_analysis/src/lib.rs
index e6cfaecc3..08ecb125a 100644
--- a/crates/ra_analysis/src/lib.rs
+++ b/crates/ra_analysis/src/lib.rs
@@ -19,7 +19,6 @@ mod runnables;
 
 mod extend_selection;
 mod syntax_highlighting;
-mod macros;
 
 use std::{fmt, sync::Arc};
 
diff --git a/crates/ra_analysis/src/macros.rs b/crates/ra_analysis/src/macros.rs
deleted file mode 100644
index 21ec36cd6..000000000
--- a/crates/ra_analysis/src/macros.rs
+++ /dev/null
@@ -1,32 +0,0 @@
-/// Begining of macro expansion.
-///
-/// This code should be moved out of ra_analysis into hir (?) ideally.
-use std::sync::Arc;
-
-use ra_syntax::{ast, AstNode, TextUnit};
-use hir::MacroDatabase;
-
-use crate::{db::RootDatabase, FileId};
-
-pub(crate) fn expand(
-    db: &RootDatabase,
-    _file_id: FileId,
-    macro_call: ast::MacroCall,
-) -> Option<(TextUnit, Arc<hir::MacroExpansion>)> {
-    let path = macro_call.path()?;
-    if path.qualifier().is_some() {
-        return None;
-    }
-    let name_ref = path.segment()?.name_ref()?;
-    if name_ref.text() != "ctry" {
-        return None;
-    }
-    let arg = macro_call.token_tree()?.syntax();
-
-    let def = hir::MacroDef::CTry;
-    let input = hir::MacroInput {
-        text: arg.text().to_string(),
-    };
-    let exp = db.expand_macro(def, input)?;
-    Some((arg.range().start(), exp))
-}
diff --git a/crates/ra_analysis/src/syntax_highlighting.rs b/crates/ra_analysis/src/syntax_highlighting.rs
index 35a4630e9..a644b3fe0 100644
--- a/crates/ra_analysis/src/syntax_highlighting.rs
+++ b/crates/ra_analysis/src/syntax_highlighting.rs
@@ -15,7 +15,7 @@ pub(crate) fn highlight(db: &RootDatabase, file_id: FileId) -> Cancelable<Vec<Hi
         .descendants()
         .filter_map(ast::MacroCall::cast)
     {
-        if let Some((off, exp)) = crate::macros::expand(db, file_id, macro_call) {
+        if let Some((off, exp)) = hir::MacroDef::ast_expand(macro_call) {
             let mapped_ranges = ra_editor::highlight(exp.syntax().borrowed())
                 .into_iter()
                 .filter_map(|r| {