split macros across crates

Cargo.lock

@@ -940,8 +940,9 @@ dependencies = [
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ra_arena 0.1.0",
  "ra_db 0.1.0",
- "ra_macros 0.1.0",
+ "ra_mbe 0.1.0",
  "ra_syntax 0.1.0",
+ "ra_tt 0.1.0",
  "relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "test_utils 0.1.0",
@@ -1019,9 +1020,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "ra_macros"
+name = "ra_mbe"
 version = "0.1.0"
 dependencies = [
+ "ra_tt 0.1.0",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "smol_str 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1052,6 +1054,14 @@ dependencies = [
  "text_unit 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ra_tt"
+version = "0.1.0"
+dependencies = [
+ "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smol_str 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ra_vfs"
 version = "0.1.0"

crates/ra_hir/Cargo.toml

@@ -16,7 +16,8 @@ join_to_string = "0.1.3"
 ra_syntax = { path = "../ra_syntax" }
 ra_arena = { path = "../ra_arena" }
 ra_db = { path = "../ra_db" }
-ra_macros = { path = "../ra_macros" }
+mbe = { path = "../ra_mbe", package = "ra_mbe" }
+tt = { path = "../ra_tt", package = "ra_tt" }
 test_utils = { path = "../test_utils" }
 
 [dev-dependencies]

crates/ra_hir/src/macros.rs

@@ -14,7 +14,6 @@ use ra_syntax::{
     SyntaxKind::*,
     ast::{self, NameOwner},
 };
-use ra_macros::{tt, mbe};
 
 use crate::{HirDatabase, MacroCallId};
 

crates/ra_macros/src/lib.rs

@@ -1,17 +0,0 @@
-macro_rules! impl_froms {
-    ($e:ident: $($v:ident), *) => {
-        $(
-            impl From<$v> for $e {
-                fn from(it: $v) -> $e {
-                    $e::$v(it)
-                }
-            }
-        )*
-    }
-}
-
-pub mod tt;
-pub mod mbe;
-mod tt_cursor;
-mod mbe_parser;
-mod mbe_expander;

crates/ra_mbe/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+edition = "2018"
+name = "ra_mbe"
+version = "0.1.0"
+authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
+
+[dependencies]
+tt = { path = "../ra_tt", package = "ra_tt" }
+rustc-hash = "1.0.0"
+smol_str = "0.1.9"

crates/ra_mbe/src/lib.rs

@@ -1,6 +1,22 @@
+macro_rules! impl_froms {
+    ($e:ident: $($v:ident), *) => {
+        $(
+            impl From<$v> for $e {
+                fn from(it: $v) -> $e {
+                    $e::$v(it)
+                }
+            }
+        )*
+    }
+}
+
+mod tt_cursor;
+mod mbe_parser;
+mod mbe_expander;
+
 use smol_str::SmolStr;
 
-pub(crate) use crate::tt::{Delimiter, Punct};
+pub use tt::{Delimiter, Punct};
 
 pub use crate::{
     mbe_parser::parse,

crates/ra_mbe/src/mbe_expander.rs

@@ -1,7 +1,7 @@
 use rustc_hash::FxHashMap;
 use smol_str::SmolStr;
 
-use crate::{mbe, tt, tt_cursor::TtCursor};
+use crate::{self as mbe, tt_cursor::TtCursor};
 
 pub fn exapnd(rules: &mbe::MacroRules, input: &tt::Subtree) -> Option<tt::Subtree> {
     rules.rules.iter().find_map(|it| expand_rule(it, input))

crates/ra_mbe/src/mbe_parser.rs

@@ -1,5 +1,4 @@
-use crate::{tt, mbe};
-use crate::tt_cursor::TtCursor;
+use crate::{self as mbe, tt_cursor::TtCursor};
 
 /// This module parses a raw `tt::TokenStream` into macro-by-example token
 /// stream. This is a *mostly* identify function, expect for handling of
@@ -43,7 +42,7 @@ fn parse_subtree(tt: &tt::Subtree) -> Option<mbe::Subtree> {
                     mbe::Leaf::from(mbe::Literal { text: text.clone() }).into()
                 }
             },
-            tt::TokenTree::Subtree(subtree) => parse_subtree(subtree)?.into(),
+            tt::TokenTree::Subtree(subtree) => parse_subtree(&subtree)?.into(),
         };
         token_trees.push(child);
     }

crates/ra_mbe/src/tt_cursor.rs

@@ -1,5 +1,3 @@
-use crate::tt;
-
 #[derive(Clone)]
 pub(crate) struct TtCursor<'a> {
     subtree: &'a tt::Subtree,

crates/ra_tt/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 edition = "2018"
-name = "ra_macros"
+name = "ra_tt"
 version = "0.1.0"
 authors = ["Aleksey Kladov <aleksey.kladov@gmail.com>"]
 

crates/ra_tt/src/lib.rs

@@ -1,3 +1,15 @@
+macro_rules! impl_froms {
+    ($e:ident: $($v:ident), *) => {
+        $(
+            impl From<$v> for $e {
+                fn from(it: $v) -> $e {
+                    $e::$v(it)
+                }
+            }
+        )*
+    }
+}
+
 use std::fmt;
 
 use smol_str::SmolStr;