uniformly use rustc_session instead of rustc::session

Cargo.lock

@@ -3625,6 +3625,7 @@ dependencies = [
  "rustc_data_structures",
  "rustc_hir",
  "rustc_metadata",
+ "rustc_session",
  "rustc_span",
  "rustc_target",
 ]
@@ -3678,6 +3679,7 @@ dependencies = [
  "rustc_parse",
  "rustc_plugin_impl",
  "rustc_save_analysis",
+ "rustc_session",
  "rustc_span",
  "rustc_target",
  "serialize",
@@ -3792,6 +3794,7 @@ dependencies = [
  "rustc_hir",
  "rustc_index",
  "rustc_macros",
+ "rustc_session",
  "rustc_span",
  "rustc_target",
  "smallvec 1.0.0",
@@ -3904,6 +3907,7 @@ dependencies = [
  "rustc_expand",
  "rustc_hir",
  "rustc_index",
+ "rustc_session",
  "rustc_span",
  "rustc_target",
  "serialize",
@@ -3934,6 +3938,7 @@ dependencies = [
  "rustc_infer",
  "rustc_lexer",
  "rustc_macros",
+ "rustc_session",
  "rustc_span",
  "rustc_target",
  "rustc_trait_selection",
@@ -4014,6 +4019,7 @@ dependencies = [
  "rustc_hir",
  "rustc_lint",
  "rustc_metadata",
+ "rustc_session",
  "rustc_span",
 ]
 
@@ -4069,6 +4075,7 @@ dependencies = [
  "rustc_data_structures",
  "rustc_hir",
  "rustc_parse",
+ "rustc_session",
  "rustc_span",
  "serde_json",
 ]
@@ -4175,6 +4182,7 @@ dependencies = [
  "rustc_data_structures",
  "rustc_hir",
  "rustc_infer",
+ "rustc_session",
  "rustc_span",
  "rustc_target",
  "rustc_trait_selection",
@@ -4194,6 +4202,7 @@ dependencies = [
  "rustc_hir",
  "rustc_index",
  "rustc_infer",
+ "rustc_session",
  "rustc_span",
  "rustc_target",
  "rustc_trait_selection",

src/librustc/ich/hcx.rs

@@ -2,7 +2,6 @@ use crate::hir::map::definitions::Definitions;
 use crate::hir::map::DefPathHash;
 use crate::ich::{self, CachingSourceMapView};
 use crate::middle::cstore::CrateStore;
-use crate::session::Session;
 use crate::ty::{fast_reject, TyCtxt};
 
 use rustc_ast::ast;
@@ -11,6 +10,7 @@ use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use rustc_data_structures::sync::Lrc;
 use rustc_hir as hir;
 use rustc_hir::def_id::{DefId, DefIndex};
+use rustc_session::Session;
 use rustc_span::source_map::SourceMap;
 use rustc_span::symbol::Symbol;
 use rustc_span::{BytePos, SourceFile};

src/librustc/lib.rs

@@ -80,7 +80,6 @@ pub mod infer;
 pub mod lint;
 pub mod middle;
 pub mod mir;
-pub use rustc_session as session;
 pub mod traits;
 pub mod ty;
 

src/librustc/middle/cstore.rs

@@ -4,8 +4,6 @@
 
 use crate::hir::map as hir_map;
 use crate::hir::map::definitions::{DefKey, DefPathTable};
-use crate::session::search_paths::PathKind;
-use crate::session::CrateDisambiguator;
 use crate::ty::TyCtxt;
 
 use rustc_ast::ast;
@@ -14,6 +12,8 @@ use rustc_data_structures::svh::Svh;
 use rustc_data_structures::sync::{self, MetadataRef};
 use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
 use rustc_macros::HashStable;
+use rustc_session::search_paths::PathKind;
+use rustc_session::CrateDisambiguator;
 use rustc_span::symbol::Symbol;
 use rustc_span::Span;
 use rustc_target::spec::Target;

src/librustc/middle/dependency_format.rs

@@ -4,7 +4,7 @@
 //! For all the gory details, see the provider of the `dependency_formats`
 //! query.
 
-use crate::session::config;
+use rustc_session::config;
 
 /// A list of dependencies for a certain crate type.
 ///

src/librustc/middle/limits.rs

@@ -5,10 +5,10 @@
 //! this via an attribute on the crate like `#![recursion_limit="22"]`. This pass
 //! just peeks and looks for that attribute.
 
-use crate::session::Session;
 use core::num::IntErrorKind;
 use rustc::bug;
 use rustc_ast::ast;
+use rustc_session::Session;
 use rustc_span::symbol::{sym, Symbol};
 
 use rustc_data_structures::sync::Once;

src/librustc/middle/stability.rs

@@ -3,7 +3,6 @@
 
 pub use self::StabilityLevel::*;
 
-use crate::session::{DiagnosticMessageId, Session};
 use crate::ty::{self, TyCtxt};
 use rustc_ast::ast::CRATE_NODE_ID;
 use rustc_attr::{self as attr, ConstStability, Deprecation, RustcDeprecation, Stability};
@@ -17,6 +16,7 @@ use rustc_hir::{self, HirId};
 use rustc_session::lint::builtin::{DEPRECATED, DEPRECATED_IN_FUTURE, SOFT_UNSTABLE};
 use rustc_session::lint::{BuiltinLintDiagnostics, Lint, LintBuffer};
 use rustc_session::parse::feature_err_issue;
+use rustc_session::{DiagnosticMessageId, Session};
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::{MultiSpan, Span};
 

src/librustc/mir/mono.rs

@@ -1,6 +1,5 @@
 use crate::dep_graph::{DepConstructor, DepNode, WorkProduct, WorkProductId};
 use crate::ich::{Fingerprint, NodeIdHashingMode, StableHashingContext};
-use crate::session::config::OptLevel;
 use crate::ty::print::obsolete::DefPathBasedNames;
 use crate::ty::{subst::InternalSubsts, Instance, InstanceDef, SymbolName, TyCtxt};
 use rustc_attr::InlineAttr;
@@ -9,6 +8,7 @@ use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
 use rustc_hir::HirId;
+use rustc_session::config::OptLevel;
 use rustc_span::source_map::Span;
 use rustc_span::symbol::Symbol;
 use std::fmt;

src/librustc/ty/layout.rs

@@ -1,8 +1,8 @@
-use crate::session::{self, DataTypeKind};
 use crate::ty::{self, subst::SubstsRef, ReprOptions, Ty, TyCtxt, TypeFoldable};
 
 use rustc_ast::ast::{self, Ident, IntTy, UintTy};
 use rustc_attr as attr;
+use rustc_session::{self, DataTypeKind};
 use rustc_span::DUMMY_SP;
 
 use std::cmp;
@@ -1648,7 +1648,7 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> {
                         if min_size < field_end {
                             min_size = field_end;
                         }
-                        session::FieldInfo {
+                        rustc_session::FieldInfo {
                             name: name.to_string(),
                             offset: offset.bytes(),
                             size: field_layout.size.bytes(),
@@ -1658,12 +1658,12 @@ impl<'tcx> LayoutCx<'tcx, TyCtxt<'tcx>> {
                 })
                 .collect();
 
-            session::VariantInfo {
+            rustc_session::VariantInfo {
                 name: n.map(|n| n.to_string()),
                 kind: if layout.is_unsized() {
-                    session::SizeKind::Min
+                    rustc_session::SizeKind::Min
                 } else {
-                    session::SizeKind::Exact
+                    rustc_session::SizeKind::Exact
                 },
                 align: layout.align.abi.bytes(),
                 size: if min_size.bytes() == 0 { layout.size.bytes() } else { min_size.bytes() },

src/librustc/ty/mod.rs

@@ -19,7 +19,6 @@ use crate::middle::resolve_lifetime::ObjectLifetimeDefault;
 use crate::mir::interpret::ErrorHandled;
 use crate::mir::GeneratorLayout;
 use crate::mir::ReadOnlyBodyAndCache;
-use crate::session::DataTypeKind;
 use crate::traits::{self, Reveal};
 use crate::ty;
 use crate::ty::layout::VariantIdx;
@@ -42,6 +41,7 @@ use rustc_hir::{Constness, GlobMap, Node, TraitMap};
 use rustc_index::vec::{Idx, IndexVec};
 use rustc_macros::HashStable;
 use rustc_serialize::{self, Encodable, Encoder};
+use rustc_session::DataTypeKind;
 use rustc_span::hygiene::ExpnId;
 use rustc_span::symbol::{kw, sym, Symbol};
 use rustc_span::Span;

src/librustc/ty/query/mod.rs

@@ -19,8 +19,6 @@ use crate::mir::interpret::GlobalId;
 use crate::mir::interpret::{ConstEvalRawResult, ConstEvalResult, ConstValue};
 use crate::mir::interpret::{LitToConstError, LitToConstInput};
 use crate::mir::mono::CodegenUnit;
-use crate::session::config::{EntryFnType, OptLevel, OutputFilenames, SymbolManglingVersion};
-use crate::session::CrateDisambiguator;
 use crate::traits::query::{
     CanonicalPredicateGoal, CanonicalProjectionGoal, CanonicalTyGoal,
     CanonicalTypeOpAscribeUserTypeGoal, CanonicalTypeOpEqGoal, CanonicalTypeOpNormalizeGoal,
@@ -49,6 +47,8 @@ use rustc_hir::def::DefKind;
 use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, DefIdSet, DefIndex};
 use rustc_hir::{Crate, HirIdSet, ItemLocalId, TraitCandidate};
 use rustc_index::vec::IndexVec;
+use rustc_session::config::{EntryFnType, OptLevel, OutputFilenames, SymbolManglingVersion};
+use rustc_session::CrateDisambiguator;
 use rustc_target::spec::PanicStrategy;
 
 use rustc_ast::ast;

src/librustc/ty/query/on_disk_cache.rs

@@ -3,7 +3,6 @@ use crate::hir::map::definitions::DefPathHash;
 use crate::ich::{CachingSourceMapView, Fingerprint};
 use crate::mir::interpret::{AllocDecodingSession, AllocDecodingState};
 use crate::mir::{self, interpret};
-use crate::session::{CrateDisambiguator, Session};
 use crate::ty::codec::{self as ty_codec, TyDecoder, TyEncoder};
 use crate::ty::context::TyCtxt;
 use crate::ty::{self, Ty};
@@ -19,6 +18,7 @@ use rustc_serialize::{
     opaque, Decodable, Decoder, Encodable, Encoder, SpecializedDecoder, SpecializedEncoder,
     UseSpecializedDecodable, UseSpecializedEncodable,
 };
+use rustc_session::{CrateDisambiguator, Session};
 use rustc_span::hygiene::{ExpnId, SyntaxContext};
 use rustc_span::source_map::{SourceMap, StableSourceFileId};
 use rustc_span::{BytePos, SourceFile, Span, DUMMY_SP};

src/librustc_codegen_llvm/attributes.rs

@@ -3,8 +3,6 @@
 use std::ffi::CString;
 
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
-use rustc::session::config::{OptLevel, Sanitizer};
-use rustc::session::Session;
 use rustc::ty::layout::HasTyCtxt;
 use rustc::ty::query::Providers;
 use rustc::ty::{self, Ty, TyCtxt};
@@ -13,6 +11,8 @@ use rustc_data_structures::const_cstr;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::small_c_str::SmallCStr;
 use rustc_hir::def_id::{DefId, LOCAL_CRATE};
+use rustc_session::config::{OptLevel, Sanitizer};
+use rustc_session::Session;
 use rustc_target::abi::call::Conv;
 use rustc_target::spec::PanicStrategy;
 

src/librustc_codegen_llvm/back/archive.rs

@@ -9,9 +9,9 @@ use std::str;
 
 use crate::llvm::archive_ro::{ArchiveRO, Child};
 use crate::llvm::{self, ArchiveKind};
-use rustc::session::Session;
 use rustc_codegen_ssa::back::archive::{find_library, ArchiveBuilder};
 use rustc_codegen_ssa::{looks_like_rust_object_file, METADATA_FILENAME, RLIB_BYTECODE_EXTENSION};
+use rustc_session::Session;
 use rustc_span::symbol::Symbol;
 
 struct ArchiveConfig<'a> {

src/librustc_codegen_llvm/back/lto.rs

@@ -9,7 +9,6 @@ use log::{debug, info};
 use rustc::bug;
 use rustc::dep_graph::WorkProduct;
 use rustc::middle::exported_symbols::SymbolExportLevel;
-use rustc::session::config::{self, Lto};
 use rustc_codegen_ssa::back::lto::{LtoModuleCodegen, SerializedModule, ThinModule, ThinShared};
 use rustc_codegen_ssa::back::symbol_export;
 use rustc_codegen_ssa::back::write::{CodegenContext, FatLTOInput, ModuleConfig};
@@ -19,6 +18,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_errors::{FatalError, Handler};
 use rustc_hir::def_id::LOCAL_CRATE;
 use rustc_session::cgu_reuse_tracker::CguReuse;
+use rustc_session::config::{self, Lto};
 
 use std::ffi::{CStr, CString};
 use std::fs::File;

src/librustc_codegen_llvm/back/write.rs

@@ -15,8 +15,6 @@ use crate::LlvmCodegenBackend;
 use crate::ModuleLlvm;
 use log::debug;
 use rustc::bug;
-use rustc::session::config::{self, Lto, OutputType, Passes, Sanitizer, SwitchWithOptPath};
-use rustc::session::Session;
 use rustc::ty::TyCtxt;
 use rustc_codegen_ssa::back::write::{run_assembler, CodegenContext, ModuleConfig};
 use rustc_codegen_ssa::traits::*;
@@ -25,6 +23,8 @@ use rustc_data_structures::small_c_str::SmallCStr;
 use rustc_errors::{FatalError, Handler};
 use rustc_fs_util::{link_or_copy, path_to_c_string};
 use rustc_hir::def_id::LOCAL_CRATE;
+use rustc_session::config::{self, Lto, OutputType, Passes, Sanitizer, SwitchWithOptPath};
+use rustc_session::Session;
 
 use libc::{c_char, c_int, c_uint, c_void, size_t};
 use std::ffi::CString;

src/librustc_codegen_llvm/base.rs

@@ -28,13 +28,13 @@ use rustc::middle::codegen_fn_attrs::{CodegenFnAttrFlags, CodegenFnAttrs};
 use rustc::middle::cstore::EncodedMetadata;
 use rustc::middle::exported_symbols;
 use rustc::mir::mono::{Linkage, Visibility};
-use rustc::session::config::DebugInfo;
 use rustc::ty::TyCtxt;
 use rustc_codegen_ssa::base::maybe_create_entry_wrapper;
 use rustc_codegen_ssa::mono_item::MonoItemExt;
 use rustc_codegen_ssa::traits::*;
 use rustc_codegen_ssa::{ModuleCodegen, ModuleKind};
 use rustc_data_structures::small_c_str::SmallCStr;
+use rustc_session::config::DebugInfo;
 use rustc_span::symbol::Symbol;
 
 use std::ffi::CString;

src/librustc_codegen_llvm/builder.rs

@@ -7,7 +7,6 @@ use crate::type_of::LayoutLlvmExt;
 use crate::value::Value;
 use libc::{c_char, c_uint};
 use log::debug;
-use rustc::session::config::{self, Sanitizer};
 use rustc::ty::layout::{self, Align, Size, TyLayout};
 use rustc::ty::{self, Ty, TyCtxt};
 use rustc_codegen_ssa::base::to_immediate;
@@ -19,6 +18,7 @@ use rustc_codegen_ssa::MemFlags;
 use rustc_data_structures::const_cstr;
 use rustc_data_structures::small_c_str::SmallCStr;
 use rustc_hir::def_id::DefId;
+use rustc_session::config::{self, Sanitizer};
 use rustc_target::spec::{HasTargetSpec, Target};
 use std::borrow::Cow;
 use std::ffi::CStr;

src/librustc_codegen_llvm/context.rs

@@ -11,8 +11,6 @@ use rustc_codegen_ssa::traits::*;
 use crate::callee::get_fn;
 use rustc::bug;
 use rustc::mir::mono::CodegenUnit;
-use rustc::session::config::{self, CFGuard, DebugInfo};
-use rustc::session::Session;
 use rustc::ty::layout::{
     HasParamEnv, LayoutError, LayoutOf, PointeeInfo, Size, TyLayout, VariantIdx,
 };
@@ -22,6 +20,8 @@ use rustc_data_structures::base_n;
 use rustc_data_structures::const_cstr;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::small_c_str::SmallCStr;
+use rustc_session::config::{self, CFGuard, DebugInfo};
+use rustc_session::Session;
 use rustc_target::spec::{HasTargetSpec, Target};
 
 use rustc_span::source_map::{Span, DUMMY_SP};

src/librustc_codegen_llvm/debuginfo/gdb.rs

@@ -6,8 +6,8 @@ use crate::builder::Builder;
 use crate::common::CodegenCx;
 use crate::value::Value;
 use rustc::bug;
-use rustc::session::config::DebugInfo;
 use rustc_codegen_ssa::traits::*;
+use rustc_session::config::DebugInfo;
 
 use rustc_ast::attr;
 use rustc_span::symbol::sym;

src/librustc_codegen_llvm/debuginfo/metadata.rs

@@ -24,7 +24,6 @@ use rustc::ich::NodeIdHashingMode;
 use rustc::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc::mir::interpret::truncate;
 use rustc::mir::{self, Field, GeneratorLayout};
-use rustc::session::config::{self, DebugInfo};
 use rustc::ty::layout::{
     self, Align, Integer, IntegerExt, LayoutOf, PrimitiveExt, Size, TyLayout, VariantIdx,
 };
@@ -42,6 +41,7 @@ use rustc_fs_util::path_to_c_string;
 use rustc_hir::def::CtorKind;
 use rustc_hir::def_id::{CrateNum, DefId, LOCAL_CRATE};
 use rustc_index::vec::{Idx, IndexVec};
+use rustc_session::config::{self, DebugInfo};
 use rustc_span::symbol::{Interner, Symbol};
 use rustc_span::{self, FileName, Span};
 use rustc_target::abi::HasDataLayout;