1. move node_id to syntax

2. invert rustc_session & syntax deps
3. drop rustc_session dep in rustc_hir

4 files changed, 7 insertions, 8 deletions

diff --git a/src/librustc_parse/config.rs b/src/librustc_parse/config.rs
index d97fe621174..0edd56680f9 100644
--- a/src/librustc_parse/config.rs
+++ b/src/librustc_parse/config.rs
@@ -16,6 +16,7 @@ use rustc_feature::{Feature, Features, State as FeatureState};
 use rustc_feature::{
     ACCEPTED_FEATURES, ACTIVE_FEATURES, REMOVED_FEATURES, STABLE_REMOVED_FEATURES,
 };
+use rustc_session::parse::{feature_err, ParseSess};
 use rustc_span::edition::{Edition, ALL_EDITIONS};
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::{Span, DUMMY_SP};
@@ -23,7 +24,6 @@ use syntax::ast::{self, AttrItem, Attribute, MetaItem};
 use syntax::attr::HasAttrs;
 use syntax::mut_visit::*;
 use syntax::ptr::P;
-use syntax::sess::{feature_err, ParseSess};
 use syntax::util::map_in_place::MapInPlace;
 
 use smallvec::SmallVec;
diff --git a/src/librustc_parse/lexer/mod.rs b/src/librustc_parse/lexer/mod.rs
index 02e4808679f..af56e9d344d 100644
--- a/src/librustc_parse/lexer/mod.rs
+++ b/src/librustc_parse/lexer/mod.rs
@@ -2,9 +2,9 @@ use rustc_data_structures::sync::Lrc;
 use rustc_errors::{DiagnosticBuilder, FatalError};
 use rustc_lexer::unescape;
 use rustc_lexer::Base;
+use rustc_session::parse::ParseSess;
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::{BytePos, Pos, Span};
-use syntax::sess::ParseSess;
 use syntax::token::{self, Token, TokenKind};
 use syntax::util::comments;
 
diff --git a/src/librustc_parse/lib.rs b/src/librustc_parse/lib.rs
index 08f4f210152..d2555785542 100644
--- a/src/librustc_parse/lib.rs
+++ b/src/librustc_parse/lib.rs
@@ -4,16 +4,15 @@
 #![feature(crate_visibility_modifier)]
 #![cfg_attr(bootstrap, feature(slice_patterns))]
 
+use rustc_data_structures::sync::Lrc;
+use rustc_errors::{Diagnostic, FatalError, Level, PResult};
+use rustc_session::parse::ParseSess;
+use rustc_span::{FileName, SourceFile, Span};
 use syntax::ast;
 use syntax::print::pprust;
-use syntax::sess::ParseSess;
 use syntax::token::{self, Nonterminal};
 use syntax::tokenstream::{self, TokenStream, TokenTree};
 
-use rustc_data_structures::sync::Lrc;
-use rustc_errors::{Diagnostic, FatalError, Level, PResult};
-use rustc_span::{FileName, SourceFile, Span};
-
 use std::borrow::Cow;
 use std::path::Path;
 use std::str;
diff --git a/src/librustc_parse/parser/mod.rs b/src/librustc_parse/parser/mod.rs
index 4a9016394d2..4c7b37ff7e1 100644
--- a/src/librustc_parse/parser/mod.rs
+++ b/src/librustc_parse/parser/mod.rs
@@ -17,6 +17,7 @@ use crate::{Directory, DirectoryOwnership};
 
 use log::debug;
 use rustc_errors::{struct_span_err, Applicability, DiagnosticBuilder, FatalError, PResult};
+use rustc_session::parse::ParseSess;
 use rustc_span::source_map::respan;
 use rustc_span::symbol::{kw, sym, Symbol};
 use rustc_span::{BytePos, FileName, Span, DUMMY_SP};
@@ -24,7 +25,6 @@ use syntax::ast::{self, AttrStyle, AttrVec, CrateSugar, Extern, Ident, Unsafety,
 use syntax::ast::{IsAsync, MacArgs, MacDelimiter, Mutability, StrLit, Visibility, VisibilityKind};
 use syntax::print::pprust;
 use syntax::ptr::P;
-use syntax::sess::ParseSess;
 use syntax::token::{self, DelimToken, Token, TokenKind};
 use syntax::tokenstream::{self, DelimSpan, TokenStream, TokenTree, TreeAndJoint};
 use syntax::util::comments::{doc_comment_style, strip_doc_comment_decoration};