minor: Access parser internals through ide_db for ide crates

Cargo.lock

@@ -632,7 +632,6 @@ dependencies = [
  "hir",
  "ide_db",
  "itertools",
- "parser",
  "profile",
  "rustc-hash",
  "sourcegen",

crates/ide_assists/Cargo.toml

@@ -16,7 +16,6 @@ itertools = "0.10.0"
 either = "1.6.1"
 
 stdx = { path = "../stdx", version = "0.0.0" }
-parser = { path = "../parser", version = "0.0.0" }
 syntax = { path = "../syntax", version = "0.0.0" }
 text_edit = { path = "../text_edit", version = "0.0.0" }
 profile = { path = "../profile", version = "0.0.0" }

crates/ide_assists/src/handlers/extract_module.rs

@@ -7,7 +7,6 @@ use ide_db::{
     defs::{Definition, NameClass, NameRefClass},
     search::{FileReference, SearchScope},
 };
-use parser::SyntaxKind::WHITESPACE;
 use stdx::format_to;
 use syntax::{
     algo::find_node_at_range,
@@ -16,7 +15,9 @@ use syntax::{
         edit::{AstNodeEdit, IndentLevel},
         make, HasName, HasVisibility,
     },
-    match_ast, ted, AstNode, SourceFile, SyntaxNode, TextRange,
+    match_ast, ted, AstNode, SourceFile,
+    SyntaxKind::WHITESPACE,
+    SyntaxNode, TextRange,
 };
 
 use crate::{AssistContext, Assists};

crates/ide_assists/src/utils/suggest_name.rs

@@ -135,7 +135,7 @@ fn normalize(name: &str) -> Option<String> {
 }
 
 fn is_valid_name(name: &str) -> bool {
-    match parser::LexedStr::single_token(name) {
+    match ide_db::syntax_helpers::LexedStr::single_token(name) {
         Some((syntax::SyntaxKind::IDENT, _error)) => true,
         _ => false,
     }

crates/ide_db/src/lib.rs

@@ -35,6 +35,8 @@ pub mod syntax_helpers {
     pub mod node_ext;
     pub mod insert_whitespace_into_node;
     pub mod format_string;
+
+    pub use parser::LexedStr;
 }
 
 use std::{fmt, mem::ManuallyDrop, sync::Arc};