3 files changed, 21 insertions, 5 deletions

diff --git a/crates/ra_db/Cargo.toml b/crates/ra_db/Cargo.toml
index 82fd842a6..8ab409158 100644
--- a/crates/ra_db/Cargo.toml
+++ b/crates/ra_db/Cargo.toml
@@ -15,5 +15,5 @@ rustc-hash = "1.1.0"
 ra_syntax = { path = "../ra_syntax" }
 ra_cfg = { path = "../ra_cfg" }
 ra_prof = { path = "../ra_prof" }
-ra_proc_macro = { path = "../ra_proc_macro" }
+ra_tt = { path = "../ra_tt" }
 test_utils = { path = "../test_utils" }
diff --git a/crates/ra_db/src/input.rs b/crates/ra_db/src/input.rs
index 65b553a9f..5ddce98c6 100644
--- a/crates/ra_db/src/input.rs
+++ b/crates/ra_db/src/input.rs
@@ -10,6 +10,7 @@ use std::{
     fmt, ops,
     path::{Path, PathBuf},
     str::FromStr,
+    sync::Arc,
 };
 
 use ra_cfg::CfgOptions;
@@ -19,7 +20,7 @@ use rustc_hash::FxHashSet;
 
 use crate::{RelativePath, RelativePathBuf};
 use fmt::Display;
-use ra_proc_macro::ProcMacro;
+use ra_tt::TokenExpander;
 
 /// `FileId` is an integer which uniquely identifies a file. File paths are
 /// messy and system-dependent, so most of the code should work directly with
@@ -117,7 +118,20 @@ impl Display for CrateName {
 }
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-pub struct ProcMacroId(pub usize);
+pub struct ProcMacroId(pub u32);
+
+#[derive(Debug, Clone)]
+pub struct ProcMacro {
+    pub name: SmolStr,
+    pub expander: Arc<dyn TokenExpander>,
+}
+
+impl Eq for ProcMacro {}
+impl PartialEq for ProcMacro {
+    fn eq(&self, other: &ProcMacro) -> bool {
+        self.name == other.name && Arc::ptr_eq(&self.expander, &other.expander)
+    }
+}
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct CrateData {
@@ -171,8 +185,11 @@ impl CrateGraph {
         cfg_options: CfgOptions,
         env: Env,
         extern_source: ExternSource,
-        proc_macro: Vec<ProcMacro>,
+        proc_macro: Vec<(SmolStr, Arc<dyn ra_tt::TokenExpander>)>,
     ) -> CrateId {
+        let proc_macro =
+            proc_macro.into_iter().map(|(name, it)| ProcMacro { name, expander: it }).collect();
+
         let data = CrateData {
             root_file_id: file_id,
             edition,
diff --git a/crates/ra_db/src/lib.rs b/crates/ra_db/src/lib.rs
index 5829ae465..a06f59c14 100644
--- a/crates/ra_db/src/lib.rs
+++ b/crates/ra_db/src/lib.rs
@@ -15,7 +15,6 @@ pub use crate::{
         FileId, ProcMacroId, SourceRoot, SourceRootId,
     },
 };
-pub use ra_proc_macro::ProcMacro;
 pub use relative_path::{RelativePath, RelativePathBuf};
 pub use salsa;