19 files changed, 81 insertions, 40 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 1f69a91b2..56d5c65b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -610,6 +610,7 @@ dependencies = [
  "ra_editor 0.1.0",
  "ra_hir 0.1.0",
  "ra_syntax 0.1.0",
+ "ra_text_edit 0.1.0",
  "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
@@ -649,6 +650,7 @@ dependencies = [
  "itertools 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "join_to_string 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ra_syntax 0.1.0",
+ "ra_text_edit 0.1.0",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "superslice 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "test_utils 0.1.0",
@@ -687,6 +689,7 @@ dependencies = [
  "ra_analysis 0.1.0",
  "ra_editor 0.1.0",
  "ra_syntax 0.1.0",
+ "ra_text_edit 0.1.0",
  "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
@@ -710,6 +713,7 @@ dependencies = [
  "drop_bomb 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ra_text_edit 0.1.0",
  "rowan 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "test_utils 0.1.0",
  "text_unit 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -718,6 +722,14 @@ dependencies = [
 ]
 
 [[package]]
+name = "ra_text_edit"
+version = "0.1.0"
+dependencies = [
+ "test_utils 0.1.0",
+ "text_unit 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "rand"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/crates/ra_analysis/Cargo.toml b/crates/ra_analysis/Cargo.toml
index fe9765a66..4a7b99947 100644
--- a/crates/ra_analysis/Cargo.toml
+++ b/crates/ra_analysis/Cargo.toml
@@ -14,6 +14,7 @@ rustc-hash = "1.0"
 parking_lot = "0.6.4"
 ra_syntax = { path = "../ra_syntax" }
 ra_editor = { path = "../ra_editor" }
+ra_text_edit = { path = "../ra_text_edit" }
 ra_db = { path = "../ra_db" }
 hir = { path = "../ra_hir", package = "ra_hir" }
 test_utils = { path = "../test_utils" }
diff --git a/crates/ra_analysis/src/completion.rs b/crates/ra_analysis/src/completion.rs
index 0f154112a..e83330966 100644
--- a/crates/ra_analysis/src/completion.rs
+++ b/crates/ra_analysis/src/completion.rs
@@ -1,10 +1,11 @@
 mod reference_completion;
 
 use ra_editor::find_node_at_offset;
+use ra_text_edit::AtomEdit;
 use ra_syntax::{
     algo::visit::{visitor_ctx, VisitorCtx},
     ast,
-    AstNode, AtomEdit,
+    AstNode,
     SyntaxNodeRef,
 };
 use ra_db::SyntaxDatabase;
diff --git a/crates/ra_analysis/src/lib.rs b/crates/ra_analysis/src/lib.rs
index eaf24cb36..2f8f1dab5 100644
--- a/crates/ra_analysis/src/lib.rs
+++ b/crates/ra_analysis/src/lib.rs
@@ -18,7 +18,8 @@ pub mod mock_analysis;
 
 use std::{fmt, sync::Arc};
 
-use ra_syntax::{AtomEdit, SourceFileNode, TextRange, TextUnit};
+use ra_syntax::{SourceFileNode, TextRange, TextUnit};
+use ra_text_edit::AtomEdit;
 use ra_db::FileResolverImp;
 use rayon::prelude::*;
 use relative_path::RelativePathBuf;
diff --git a/crates/ra_editor/Cargo.toml b/crates/ra_editor/Cargo.toml
index 7791da156..c29be1350 100644
--- a/crates/ra_editor/Cargo.toml
+++ b/crates/ra_editor/Cargo.toml
@@ -12,6 +12,7 @@ join_to_string = "0.1.1"
 rustc-hash = "1.0"
 
 ra_syntax = { path = "../ra_syntax" }
+ra_text_edit = { path = "../ra_text_edit" }
 
 [dev-dependencies]
 test_utils = { path = "../test_utils" }
diff --git a/crates/ra_editor/src/lib.rs b/crates/ra_editor/src/lib.rs
index ce080ee97..ddc44c778 100644
--- a/crates/ra_editor/src/lib.rs
+++ b/crates/ra_editor/src/lib.rs
@@ -1,5 +1,4 @@
 mod code_actions;
-mod edit;
 mod extend_selection;
 mod folding_ranges;
 mod line_index;
@@ -10,14 +9,13 @@ mod typing;
 
 pub use self::{
     code_actions::{add_derive, add_impl, flip_comma, introduce_variable, LocalEdit},
-    edit::{Edit, EditBuilder},
     extend_selection::extend_selection,
     folding_ranges::{folding_ranges, Fold, FoldKind},
     line_index::{LineCol, LineIndex},
     symbols::{file_structure, file_symbols, FileSymbol, StructureNode},
     typing::{join_lines, on_enter, on_eq_typed},
 };
-pub use ra_syntax::AtomEdit;
+use ra_text_edit::{Edit, EditBuilder};
 use ra_syntax::{
     algo::find_leaf_at_offset,
     ast::{self, AstNode, NameOwner},
diff --git a/crates/ra_editor/src/typing.rs b/crates/ra_editor/src/typing.rs
index 01acdda7c..cf9af001b 100644
--- a/crates/ra_editor/src/typing.rs
+++ b/crates/ra_editor/src/typing.rs
@@ -3,11 +3,12 @@ use std::mem;
 use ra_syntax::{
     algo::{find_covering_node, find_leaf_at_offset, LeafAtOffset},
     ast,
-    text_utils::{contains_offset_nonstrict, intersect},
+    text_utils::intersect,
     AstNode, SourceFileNode, SyntaxKind,
     SyntaxKind::*,
     SyntaxNodeRef, TextRange, TextUnit,
 };
+use ra_text_edit::text_utils::contains_offset_nonstrict;
 
 use crate::{find_node_at_offset, EditBuilder, LocalEdit};
 
diff --git a/crates/ra_lsp_server/Cargo.toml b/crates/ra_lsp_server/Cargo.toml
index 5ee218b6b..133decc52 100644
--- a/crates/ra_lsp_server/Cargo.toml
+++ b/crates/ra_lsp_server/Cargo.toml
@@ -28,6 +28,7 @@ rustc-hash = "1.0"
 
 ra_syntax = { path = "../ra_syntax" }
 ra_editor = { path = "../ra_editor" }
+ra_text_edit = { path = "../ra_text_edit" }
 ra_analysis = { path = "../ra_analysis" }
 gen_lsp_server = { path = "../gen_lsp_server" }
 
diff --git a/crates/ra_lsp_server/src/conv.rs b/crates/ra_lsp_server/src/conv.rs
index 28368787c..8bf8576be 100644
--- a/crates/ra_lsp_server/src/conv.rs
+++ b/crates/ra_lsp_server/src/conv.rs
@@ -3,7 +3,8 @@ use languageserver_types::{
     TextDocumentItem, TextDocumentPositionParams, TextEdit, Url, VersionedTextDocumentIdentifier,
 };
 use ra_analysis::{FileId, FileSystemEdit, SourceChange, SourceFileNodeEdit, FilePosition};
-use ra_editor::{AtomEdit, Edit, LineCol, LineIndex};
+use ra_editor::{LineCol, LineIndex};
+use ra_text_edit::{AtomEdit, Edit};
 use ra_syntax::{SyntaxKind, TextRange, TextUnit};
 
 use crate::{req, server_world::ServerWorld, Result};
diff --git a/crates/ra_lsp_server/src/main_loop/handlers.rs b/crates/ra_lsp_server/src/main_loop/handlers.rs
index 92e92f836..21ca22c5c 100644
--- a/crates/ra_lsp_server/src/main_loop/handlers.rs
+++ b/crates/ra_lsp_server/src/main_loop/handlers.rs
@@ -9,7 +9,8 @@ use languageserver_types::{
     WorkspaceEdit, ParameterInformation, SignatureInformation, Hover, HoverContents,
 };
 use ra_analysis::{FileId, FoldKind, Query, RunnableKind, FilePosition};
-use ra_syntax::{TextUnit, text_utils::{contains_offset_nonstrict, intersect}};
+use ra_syntax::{TextUnit, text_utils::intersect};
+use ra_text_edit::text_utils::contains_offset_nonstrict;
 use rustc_hash::FxHashMap;
 use serde_json::to_value;
 
diff --git a/crates/ra_syntax/Cargo.toml b/crates/ra_syntax/Cargo.toml
index 8ad8ed196..8c9a7e238 100644
--- a/crates/ra_syntax/Cargo.toml
+++ b/crates/ra_syntax/Cargo.toml
@@ -15,6 +15,7 @@ drop_bomb = "0.1.4"
 parking_lot = "0.6.0"
 rowan = "0.1.2"
 text_unit = "0.1.5"
+ra_text_edit = { path = "../ra_text_edit" }
 
 [dev-dependencies]
 test_utils = { path = "../test_utils" }
diff --git a/crates/ra_syntax/src/lib.rs b/crates/ra_syntax/src/lib.rs
index 0e5c9baad..7295fb237 100644
--- a/crates/ra_syntax/src/lib.rs
+++ b/crates/ra_syntax/src/lib.rs
@@ -41,13 +41,13 @@ pub use rowan::{SmolStr, TextRange, TextUnit};
 pub use crate::{
     ast::AstNode,
     lexer::{tokenize, Token},
-    reparsing::AtomEdit,
     syntax_kinds::SyntaxKind,
     yellow::{
         Direction, OwnedRoot, RefRoot, SyntaxError, SyntaxNode, SyntaxNodeRef, TreeRoot, WalkEvent, Location,
     },
 };
 
+use ra_text_edit::AtomEdit;
 use crate::yellow::GreenNode;
 
 /// `SourceFileNode` represents a parse tree for a single Rust file.
diff --git a/crates/ra_syntax/src/reparsing.rs b/crates/ra_syntax/src/reparsing.rs
index 732fb0e4a..873809a5a 100644
--- a/crates/ra_syntax/src/reparsing.rs
+++ b/crates/ra_syntax/src/reparsing.rs
@@ -6,29 +6,7 @@ use crate::parser_impl;
 use crate::text_utils::replace_range;
 use crate::yellow::{self, GreenNode, SyntaxError, SyntaxNodeRef};
 use crate::{SyntaxKind::*, TextRange, TextUnit};
-
-#[derive(Debug, Clone)]
-pub struct AtomEdit {
-    pub delete: TextRange,
-    pub insert: String,
-}
-
-impl AtomEdit {
-    pub fn replace(range: TextRange, replace_with: String) -> AtomEdit {
-        AtomEdit {
-            delete: range,
-            insert: replace_with,
-        }
-    }
-
-    pub fn delete(range: TextRange) -> AtomEdit {
-        AtomEdit::replace(range, String::new())
-    }
-
-    pub fn insert(offset: TextUnit, text: String) -> AtomEdit {
-        AtomEdit::replace(TextRange::offset_len(offset, 0.into()), text)
-    }
-}
+use ra_text_edit::AtomEdit;
 
 pub(crate) fn incremental_reparse(
     node: SyntaxNodeRef,
diff --git a/crates/ra_syntax/src/text_utils.rs b/crates/ra_syntax/src/text_utils.rs
index a90f8a083..417d43e1b 100644
--- a/crates/ra_syntax/src/text_utils.rs
+++ b/crates/ra_syntax/src/text_utils.rs
@@ -1,8 +1,4 @@
-use crate::{TextRange, TextUnit};
-
-pub fn contains_offset_nonstrict(range: TextRange, offset: TextUnit) -> bool {
-    range.start() <= offset && offset <= range.end()
-}
+use crate::TextRange;
 
 pub fn intersect(r1: TextRange, r2: TextRange) -> Option<TextRange> {
     let start = r1.start().max(r2.start());
diff --git a/crates/ra_syntax/src/yellow/syntax_text.rs b/crates/ra_syntax/src/yellow/syntax_text.rs
index 5395ca90b..46bde9a08 100644
--- a/crates/ra_syntax/src/yellow/syntax_text.rs
+++ b/crates/ra_syntax/src/yellow/syntax_text.rs
@@ -1,7 +1,8 @@
 use std::{fmt, ops};
 
+use ra_text_edit::text_utils::contains_offset_nonstrict;
 use crate::{
-    text_utils::{contains_offset_nonstrict, intersect},
+    text_utils::intersect,
     SyntaxNodeRef, TextRange, TextUnit,
 };
 
diff --git a/crates/ra_text_edit/Cargo.toml b/crates/ra_text_edit/Cargo.toml
new file mode 100644
index 000000000..3c4157a4e
--- /dev/null
+++ b/crates/ra_text_edit/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+edition = "2018"
+name = "ra_text_edit"
+version = "0.1.0"
+authors = ["Aleksey Kladov <[email protected]>"]
+publish = false
+
+[dependencies]
+text_unit = "0.1.5"
+
+[dev-dependencies]
+test_utils = { path = "../test_utils" }
diff --git a/crates/ra_editor/src/edit.rs b/crates/ra_text_edit/src/edit.rs
index 372b8d14c..560cf2bbc 100644
--- a/crates/ra_editor/src/edit.rs
+++ b/crates/ra_text_edit/src/edit.rs
@@ -1,5 +1,6 @@
-use crate::{TextRange, TextUnit};
-use ra_syntax::{text_utils::contains_offset_nonstrict, AtomEdit};
+use crate::AtomEdit;
+use crate::text_utils::contains_offset_nonstrict;
+use text_unit::{TextRange, TextUnit};
 
 #[derive(Debug, Clone)]
 pub struct Edit {
diff --git a/crates/ra_text_edit/src/lib.rs b/crates/ra_text_edit/src/lib.rs
new file mode 100644
index 000000000..789471e8a
--- /dev/null
+++ b/crates/ra_text_edit/src/lib.rs
@@ -0,0 +1,29 @@
+mod edit;
+pub mod text_utils;
+
+pub use crate::edit::{Edit, EditBuilder};
+
+use text_unit::{TextRange, TextUnit};
+
+#[derive(Debug, Clone)]
+pub struct AtomEdit {
+    pub delete: TextRange,
+    pub insert: String,
+}
+
+impl AtomEdit {
+    pub fn replace(range: TextRange, replace_with: String) -> AtomEdit {
+        AtomEdit {
+            delete: range,
+            insert: replace_with,
+        }
+    }
+
+    pub fn delete(range: TextRange) -> AtomEdit {
+        AtomEdit::replace(range, String::new())
+    }
+
+    pub fn insert(offset: TextUnit, text: String) -> AtomEdit {
+        AtomEdit::replace(TextRange::offset_len(offset, 0.into()), text)
+    }
+}
diff --git a/crates/ra_text_edit/src/text_utils.rs b/crates/ra_text_edit/src/text_utils.rs
new file mode 100644
index 000000000..e3b4dc4fe
--- /dev/null
+++ b/crates/ra_text_edit/src/text_utils.rs
@@ -0,0 +1,5 @@
+use text_unit::{TextRange, TextUnit};
+
+pub fn contains_offset_nonstrict(range: TextRange, offset: TextUnit) -> bool {
+    range.start() <= offset && offset <= range.end()
+}