30 files changed, 40 insertions, 40 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 265889162..ab1698b11 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -46,6 +46,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "33954243bd79057c2de7338850b85983a44588021f8a5fee574a8888c6de4344"
 
 [[package]]
+name = "arena"
+version = "0.0.0"
+
+[[package]]
 name = "arrayvec"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -900,10 +904,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "ra_arena"
-version = "0.1.0"
-
-[[package]]
 name = "ra_assists"
 version = "0.1.0"
 dependencies = [
@@ -977,6 +977,7 @@ name = "ra_hir_def"
 version = "0.1.0"
 dependencies = [
  "anymap",
+ "arena",
  "drop_bomb",
  "either",
  "expect",
@@ -985,7 +986,6 @@ dependencies = [
  "itertools",
  "log",
  "once_cell",
- "ra_arena",
  "ra_cfg",
  "ra_db",
  "ra_hir_expand",
@@ -1003,9 +1003,9 @@ dependencies = [
 name = "ra_hir_expand"
 version = "0.1.0"
 dependencies = [
+ "arena",
  "either",
  "log",
- "ra_arena",
  "ra_db",
  "ra_mbe",
  "ra_parser",
@@ -1020,6 +1020,7 @@ dependencies = [
 name = "ra_hir_ty"
 version = "0.1.0"
 dependencies = [
+ "arena",
  "arrayvec",
  "chalk-ir",
  "chalk-recursive",
@@ -1028,7 +1029,6 @@ dependencies = [
  "expect",
  "itertools",
  "log",
- "ra_arena",
  "ra_db",
  "ra_hir_def",
  "ra_hir_expand",
@@ -1141,12 +1141,12 @@ dependencies = [
 name = "ra_prof"
 version = "0.1.0"
 dependencies = [
+ "arena",
  "backtrace",
  "cfg-if",
  "libc",
  "once_cell",
  "perf-event",
- "ra_arena",
 ]
 
 [[package]]
@@ -1154,10 +1154,10 @@ name = "ra_project_model"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "arena",
  "cargo_metadata",
  "log",
  "paths",
- "ra_arena",
  "ra_cfg",
  "ra_db",
  "ra_proc_macro",
diff --git a/crates/ra_arena/Cargo.toml b/crates/arena/Cargo.toml
index 66c3738f4..f2bb5cc45 100644
--- a/crates/ra_arena/Cargo.toml
+++ b/crates/arena/Cargo.toml
@@ -1,9 +1,9 @@
 [package]
-edition = "2018"
-name = "ra_arena"
-version = "0.1.0"
-authors = ["rust-analyzer developers"]
+name = "arena"
+version = "0.0.0"
 license = "MIT OR Apache-2.0"
+authors = ["rust-analyzer developers"]
+edition = "2018"
 
 [lib]
 doctest = false
diff --git a/crates/ra_arena/src/lib.rs b/crates/arena/src/lib.rs
index 3169aa5b8..3169aa5b8 100644
--- a/crates/ra_arena/src/lib.rs
+++ b/crates/arena/src/lib.rs
diff --git a/crates/ra_arena/src/map.rs b/crates/arena/src/map.rs
index 0f33907c0..0f33907c0 100644
--- a/crates/ra_arena/src/map.rs
+++ b/crates/arena/src/map.rs
diff --git a/crates/ra_hir_def/Cargo.toml b/crates/ra_hir_def/Cargo.toml
index d96a86b80..6dd6fdde6 100644
--- a/crates/ra_hir_def/Cargo.toml
+++ b/crates/ra_hir_def/Cargo.toml
@@ -22,7 +22,7 @@ smallvec = "1.4.0"
 
 stdx = { path = "../stdx" }
 
-ra_arena = { path = "../ra_arena" }
+arena = { path = "../arena" }
 ra_db = { path = "../ra_db" }
 ra_syntax = { path = "../ra_syntax" }
 ra_prof = { path = "../ra_prof" }
diff --git a/crates/ra_hir_def/src/adt.rs b/crates/ra_hir_def/src/adt.rs
index 35c3a9140..896a69ca8 100644
--- a/crates/ra_hir_def/src/adt.rs
+++ b/crates/ra_hir_def/src/adt.rs
@@ -2,12 +2,12 @@
 
 use std::sync::Arc;
 
+use arena::{map::ArenaMap, Arena};
 use either::Either;
 use hir_expand::{
     name::{AsName, Name},
     InFile,
 };
-use ra_arena::{map::ArenaMap, Arena};
 use ra_syntax::ast::{self, NameOwner, VisibilityOwner};
 use tt::{Delimiter, DelimiterKind, Leaf, Subtree, TokenTree};
 
diff --git a/crates/ra_hir_def/src/body.rs b/crates/ra_hir_def/src/body.rs
index d5f18b920..cb178655b 100644
--- a/crates/ra_hir_def/src/body.rs
+++ b/crates/ra_hir_def/src/body.rs
@@ -5,10 +5,10 @@ pub mod scope;
 
 use std::{mem, ops::Index, sync::Arc};
 
+use arena::{map::ArenaMap, Arena};
 use drop_bomb::DropBomb;
 use either::Either;
 use hir_expand::{ast_id_map::AstIdMap, hygiene::Hygiene, AstId, HirFileId, InFile, MacroDefId};
-use ra_arena::{map::ArenaMap, Arena};
 use ra_cfg::CfgOptions;
 use ra_db::CrateId;
 use ra_prof::profile;
diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index f5c37edb3..482393006 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -3,13 +3,13 @@
 
 use std::{any::type_name, sync::Arc};
 
+use arena::Arena;
 use either::Either;
 use hir_expand::{
     hygiene::Hygiene,
     name::{name, AsName, Name},
     HirFileId, MacroDefId, MacroDefKind,
 };
-use ra_arena::Arena;
 use ra_syntax::{
     ast::{
         self, ArgListOwner, ArrayExprKind, AstChildren, LiteralKind, LoopBodyOwner, NameOwner,
diff --git a/crates/ra_hir_def/src/body/scope.rs b/crates/ra_hir_def/src/body/scope.rs
index 99e876683..f783e18b5 100644
--- a/crates/ra_hir_def/src/body/scope.rs
+++ b/crates/ra_hir_def/src/body/scope.rs
@@ -1,8 +1,8 @@
 //! Name resolution for expressions.
 use std::sync::Arc;
 
+use arena::{Arena, Idx};
 use hir_expand::name::Name;
-use ra_arena::{Arena, Idx};
 use rustc_hash::FxHashMap;
 
 use crate::{
diff --git a/crates/ra_hir_def/src/expr.rs b/crates/ra_hir_def/src/expr.rs
index e41cfc16b..befe41c2a 100644
--- a/crates/ra_hir_def/src/expr.rs
+++ b/crates/ra_hir_def/src/expr.rs
@@ -12,8 +12,8 @@
 //!
 //! See also a neighboring `body` module.
 
+use arena::{Idx, RawId};
 use hir_expand::name::Name;
-use ra_arena::{Idx, RawId};
 use ra_syntax::ast::RangeOp;
 
 use crate::{
diff --git a/crates/ra_hir_def/src/generics.rs b/crates/ra_hir_def/src/generics.rs
index 699ba9c92..90daa46b4 100644
--- a/crates/ra_hir_def/src/generics.rs
+++ b/crates/ra_hir_def/src/generics.rs
@@ -4,12 +4,12 @@
 //! in rustc.
 use std::sync::Arc;
 
+use arena::{map::ArenaMap, Arena};
 use either::Either;
 use hir_expand::{
     name::{name, AsName, Name},
     InFile,
 };
-use ra_arena::{map::ArenaMap, Arena};
 use ra_db::FileId;
 use ra_prof::profile;
 use ra_syntax::ast::{self, GenericParamsOwner, NameOwner, TypeBoundsOwner};
diff --git a/crates/ra_hir_def/src/item_tree.rs b/crates/ra_hir_def/src/item_tree.rs
index a67e75dac..fc05bb307 100644
--- a/crates/ra_hir_def/src/item_tree.rs
+++ b/crates/ra_hir_def/src/item_tree.rs
@@ -13,6 +13,7 @@ use std::{
     sync::Arc,
 };
 
+use arena::{Arena, Idx, RawId};
 use ast::{AstNode, AttrsOwner, NameOwner, StructKind};
 use either::Either;
 use hir_expand::{
@@ -21,7 +22,6 @@ use hir_expand::{
     name::{name, AsName, Name},
     HirFileId, InFile,
 };
-use ra_arena::{Arena, Idx, RawId};
 use ra_syntax::{ast, match_ast};
 use rustc_hash::FxHashMap;
 use smallvec::SmallVec;
diff --git a/crates/ra_hir_def/src/item_tree/lower.rs b/crates/ra_hir_def/src/item_tree/lower.rs
index 450ef8798..4523d0fbb 100644
--- a/crates/ra_hir_def/src/item_tree/lower.rs
+++ b/crates/ra_hir_def/src/item_tree/lower.rs
@@ -2,8 +2,8 @@
 
 use std::{collections::hash_map::Entry, mem, sync::Arc};
 
+use arena::map::ArenaMap;
 use hir_expand::{ast_id_map::AstIdMap, hygiene::Hygiene, HirFileId};
-use ra_arena::map::ArenaMap;
 use ra_syntax::{
     ast::{self, ModuleItemOwner},
     SyntaxNode,
diff --git a/crates/ra_hir_def/src/lib.rs b/crates/ra_hir_def/src/lib.rs
index 237b1038a..810393739 100644
--- a/crates/ra_hir_def/src/lib.rs
+++ b/crates/ra_hir_def/src/lib.rs
@@ -52,11 +52,11 @@ mod test_db;
 
 use std::hash::{Hash, Hasher};
 
+use arena::Idx;
 use hir_expand::{
     ast_id_map::FileAstId, eager::expand_eager_macro, hygiene::Hygiene, AstId, HirFileId, InFile,
     MacroCallId, MacroCallKind, MacroDefId, MacroDefKind,
 };
-use ra_arena::Idx;
 use ra_db::{impl_intern_key, salsa, CrateId};
 use ra_syntax::ast;
 
diff --git a/crates/ra_hir_def/src/nameres.rs b/crates/ra_hir_def/src/nameres.rs
index 3d9b55a73..b4b97eb08 100644
--- a/crates/ra_hir_def/src/nameres.rs
+++ b/crates/ra_hir_def/src/nameres.rs
@@ -56,8 +56,8 @@ mod tests;
 
 use std::sync::Arc;
 
+use arena::Arena;
 use hir_expand::{diagnostics::DiagnosticSink, name::Name, InFile};
-use ra_arena::Arena;
 use ra_db::{CrateId, Edition, FileId};
 use ra_prof::profile;
 use ra_syntax::ast;
diff --git a/crates/ra_hir_def/src/nameres/collector.rs b/crates/ra_hir_def/src/nameres/collector.rs
index 28b7a20c5..52ee401d9 100644
--- a/crates/ra_hir_def/src/nameres/collector.rs
+++ b/crates/ra_hir_def/src/nameres/collector.rs
@@ -1208,7 +1208,7 @@ fn is_macro_rules(path: &ModPath) -> bool {
 #[cfg(test)]
 mod tests {
     use crate::{db::DefDatabase, test_db::TestDB};
-    use ra_arena::Arena;
+    use arena::Arena;
     use ra_db::{fixture::WithFixture, SourceDatabase};
 
     use super::*;
diff --git a/crates/ra_hir_def/src/src.rs b/crates/ra_hir_def/src/src.rs
index 043b93fad..7a79b0314 100644
--- a/crates/ra_hir_def/src/src.rs
+++ b/crates/ra_hir_def/src/src.rs
@@ -1,7 +1,7 @@
 //! Utilities for mapping between hir IDs and the surface syntax.
 
+use arena::map::ArenaMap;
 use hir_expand::InFile;
-use ra_arena::map::ArenaMap;
 
 use crate::{db::DefDatabase, item_tree::ItemTreeNode, AssocItemLoc, ItemLoc};
 
diff --git a/crates/ra_hir_def/src/trace.rs b/crates/ra_hir_def/src/trace.rs
index ced07577d..fd64e7018 100644
--- a/crates/ra_hir_def/src/trace.rs
+++ b/crates/ra_hir_def/src/trace.rs
@@ -9,7 +9,7 @@
 //! absolute offsets. The `Trace` structure (inspired, at least in name, by
 //! Kotlin's `BindingTrace`) allows use the same code to compute both
 //! projections.
-use ra_arena::{map::ArenaMap, Arena, Idx, RawId};
+use arena::{map::ArenaMap, Arena, Idx, RawId};
 
 pub(crate) struct Trace<T, V> {
     arena: Option<Arena<T>>,
diff --git a/crates/ra_hir_expand/Cargo.toml b/crates/ra_hir_expand/Cargo.toml
index 6da0e2a16..808c36fd8 100644
--- a/crates/ra_hir_expand/Cargo.toml
+++ b/crates/ra_hir_expand/Cargo.toml
@@ -13,7 +13,7 @@ log = "0.4.8"
 either = "1.5.3"
 rustc-hash = "1.0.0"
 
-ra_arena = { path = "../ra_arena" }
+arena = { path = "../arena" }
 ra_db = { path = "../ra_db" }
 ra_syntax = { path = "../ra_syntax" }
 ra_parser = { path = "../ra_parser" }
diff --git a/crates/ra_hir_expand/src/ast_id_map.rs b/crates/ra_hir_expand/src/ast_id_map.rs
index 8bfe1b4ba..703a85b0f 100644
--- a/crates/ra_hir_expand/src/ast_id_map.rs
+++ b/crates/ra_hir_expand/src/ast_id_map.rs
@@ -12,7 +12,7 @@ use std::{
     marker::PhantomData,
 };
 
-use ra_arena::{Arena, Idx};
+use arena::{Arena, Idx};
 use ra_syntax::{ast, AstNode, AstPtr, SyntaxNode, SyntaxNodePtr};
 
 /// `AstId` points to an AST node in a specific file.
diff --git a/crates/ra_hir_ty/Cargo.toml b/crates/ra_hir_ty/Cargo.toml
index 83397d579..fc68eaa8f 100644
--- a/crates/ra_hir_ty/Cargo.toml
+++ b/crates/ra_hir_ty/Cargo.toml
@@ -20,7 +20,7 @@ stdx = { path = "../stdx" }
 
 hir_def = { path = "../ra_hir_def", package = "ra_hir_def" }
 hir_expand = { path = "../ra_hir_expand", package = "ra_hir_expand" }
-ra_arena = { path = "../ra_arena" }
+arena = { path = "../arena" }
 ra_db = { path = "../ra_db" }
 ra_prof = { path = "../ra_prof" }
 ra_syntax = { path = "../ra_syntax" }
diff --git a/crates/ra_hir_ty/src/db.rs b/crates/ra_hir_ty/src/db.rs
index c773adc67..d396017bf 100644
--- a/crates/ra_hir_ty/src/db.rs
+++ b/crates/ra_hir_ty/src/db.rs
@@ -2,11 +2,11 @@
 
 use std::sync::Arc;
 
+use arena::map::ArenaMap;
 use hir_def::{
     db::DefDatabase, expr::ExprId, DefWithBodyId, FunctionId, GenericDefId, ImplId, LocalFieldId,
     TypeParamId, VariantId,
 };
-use ra_arena::map::ArenaMap;
 use ra_db::{impl_intern_key, salsa, CrateId, Upcast};
 use ra_prof::profile;
 
diff --git a/crates/ra_hir_ty/src/diagnostics/match_check.rs b/crates/ra_hir_ty/src/diagnostics/match_check.rs
index deca244db..7f007f1d6 100644
--- a/crates/ra_hir_ty/src/diagnostics/match_check.rs
+++ b/crates/ra_hir_ty/src/diagnostics/match_check.rs
@@ -218,13 +218,13 @@
 //!   ```
 use std::sync::Arc;
 
+use arena::Idx;
 use hir_def::{
     adt::VariantData,
     body::Body,
     expr::{Expr, Literal, Pat, PatId},
     AdtId, EnumVariantId, VariantId,
 };
-use ra_arena::Idx;
 use smallvec::{smallvec, SmallVec};
 
 use crate::{db::HirDatabase, ApplicationTy, InferenceResult, Ty, TypeCtor};
diff --git a/crates/ra_hir_ty/src/infer.rs b/crates/ra_hir_ty/src/infer.rs
index 3d12039a6..e003690b3 100644
--- a/crates/ra_hir_ty/src/infer.rs
+++ b/crates/ra_hir_ty/src/infer.rs
@@ -18,6 +18,7 @@ use std::mem;
 use std::ops::Index;
 use std::sync::Arc;
 
+use arena::map::ArenaMap;
 use hir_def::{
     body::Body,
     data::{ConstData, FunctionData, StaticData},
@@ -30,7 +31,6 @@ use hir_def::{
     TypeAliasId, VariantId,
 };
 use hir_expand::{diagnostics::DiagnosticSink, name::name};
-use ra_arena::map::ArenaMap;
 use ra_prof::profile;
 use ra_syntax::SmolStr;
 use rustc_hash::FxHashMap;
diff --git a/crates/ra_hir_ty/src/lower.rs b/crates/ra_hir_ty/src/lower.rs
index 7638f167b..7b805fe7a 100644
--- a/crates/ra_hir_ty/src/lower.rs
+++ b/crates/ra_hir_ty/src/lower.rs
@@ -7,6 +7,7 @@
 //! This usually involves resolving names, collecting generic arguments etc.
 use std::{iter, sync::Arc};
 
+use arena::map::ArenaMap;
 use hir_def::{
     adt::StructKind,
     builtin_type::BuiltinType,
@@ -19,7 +20,6 @@ use hir_def::{
     UnionId, VariantId,
 };
 use hir_expand::name::Name;
-use ra_arena::map::ArenaMap;
 use ra_db::CrateId;
 use smallvec::SmallVec;
 use stdx::impl_from;
diff --git a/crates/ra_prof/Cargo.toml b/crates/ra_prof/Cargo.toml
index c82b9f76d..9880c587f 100644
--- a/crates/ra_prof/Cargo.toml
+++ b/crates/ra_prof/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT OR Apache-2.0"
 doctest = false
 
 [dependencies]
-ra_arena = { path = "../ra_arena" }
+arena = { path = "../arena" }
 once_cell = "1.3.1"
 backtrace = { version = "0.3.44", optional = true }
 cfg-if = "0.1.10"
diff --git a/crates/ra_prof/src/tree.rs b/crates/ra_prof/src/tree.rs
index 9ea5b5db8..096f58511 100644
--- a/crates/ra_prof/src/tree.rs
+++ b/crates/ra_prof/src/tree.rs
@@ -1,7 +1,7 @@
 //! A simple tree implementation which tries to not allocate all over the place.
 use std::ops;
 
-use ra_arena::Arena;
+use arena::Arena;
 
 #[derive(Default)]
 pub struct Tree<T> {
@@ -9,7 +9,7 @@ pub struct Tree<T> {
     current_path: Vec<(Idx<T>, Option<Idx<T>>)>,
 }
 
-pub type Idx<T> = ra_arena::Idx<Node<T>>;
+pub type Idx<T> = arena::Idx<Node<T>>;
 
 impl<T> Tree<T> {
     pub fn start(&mut self)
diff --git a/crates/ra_project_model/Cargo.toml b/crates/ra_project_model/Cargo.toml
index 99adea8e4..27b1f5d33 100644
--- a/crates/ra_project_model/Cargo.toml
+++ b/crates/ra_project_model/Cargo.toml
@@ -14,7 +14,7 @@ rustc-hash = "1.1.0"
 
 cargo_metadata = "0.11.1"
 
-ra_arena = { path = "../ra_arena" }
+arena = { path = "../arena" }
 ra_cfg = { path = "../ra_cfg" }
 ra_db = { path = "../ra_db" }
 ra_toolchain = { path = "../ra_toolchain" }
diff --git a/crates/ra_project_model/src/cargo_workspace.rs b/crates/ra_project_model/src/cargo_workspace.rs
index 10513542e..a526d743d 100644
--- a/crates/ra_project_model/src/cargo_workspace.rs
+++ b/crates/ra_project_model/src/cargo_workspace.rs
@@ -8,9 +8,9 @@ use std::{
 };
 
 use anyhow::{Context, Result};
+use arena::{Arena, Idx};
 use cargo_metadata::{BuildScript, CargoOpt, Message, MetadataCommand, PackageId};
 use paths::{AbsPath, AbsPathBuf};
-use ra_arena::{Arena, Idx};
 use ra_db::Edition;
 use rustc_hash::FxHashMap;
 
diff --git a/crates/ra_project_model/src/sysroot.rs b/crates/ra_project_model/src/sysroot.rs
index a10ade375..6ef001769 100644
--- a/crates/ra_project_model/src/sysroot.rs
+++ b/crates/ra_project_model/src/sysroot.rs
@@ -3,8 +3,8 @@
 use std::{convert::TryFrom, env, ops, path::Path, process::Command};
 
 use anyhow::{bail, format_err, Result};
+use arena::{Arena, Idx};
 use paths::{AbsPath, AbsPathBuf};
-use ra_arena::{Arena, Idx};
 
 use crate::utf8_stdout;