Got rid of repetitions (such as rustc_ast::ast::)

Author: Lezzz

src/doc/unstable-book/src/language-features/plugin.md

@@ -52,7 +52,7 @@ extern crate rustc_driver;
 use rustc::lint::{EarlyContext, LintContext, LintPass, EarlyLintPass,
                   EarlyLintPassObject, LintArray};
 use rustc_driver::plugin::Registry;
-use rustc_ast::ast;
+use rustc_ast as ast;
 
 declare_lint!(TEST_LINT, Warn, "Warn about items named 'lintme'");
 

src/librustc_ast/lib.rs

@@ -37,7 +37,7 @@ pub mod util {
     pub mod parser;
 }
 
-pub mod ast;
+mod ast;
 pub mod attr;
 pub use attr::{with_default_globals, with_globals, GLOBALS};
 pub mod crate_disambiguator;
@@ -50,6 +50,7 @@ pub mod token;
 pub mod tokenstream;
 pub mod visit;
 
+pub use crate::ast::*;
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 
 /// Requirements for a `StableHashingContext` to be used in this crate.

src/librustc_ast_lowering/expr.rs

@@ -1,8 +1,8 @@
 use super::{ImplTraitContext, LoweringContext, ParamMode, ParenthesizedGenericArgs};
 
-use rustc_ast::ast::*;
 use rustc_ast::attr;
 use rustc_ast::ptr::P as AstP;
+use rustc_ast::*;
 use rustc_data_structures::thin_vec::ThinVec;
 use rustc_errors::struct_span_err;
 use rustc_hir as hir;
@@ -839,7 +839,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
         e2: Option<&Expr>,
         lims: RangeLimits,
     ) -> hir::ExprKind<'hir> {
-        use rustc_ast::ast::RangeLimits::*;
+        use rustc_ast::RangeLimits::*;
 
         let path = match (e1, e2, lims) {
             (None, None, HalfOpen) => sym::RangeFull,

src/librustc_ast_lowering/item.rs

@@ -2,11 +2,11 @@ use super::{AnonymousLifetimeMode, LoweringContext, ParamMode};
 use super::{ImplTraitContext, ImplTraitPosition, ImplTraitTypeIdVisitor};
 use crate::Arena;
 
-use rustc_ast::ast::*;
 use rustc_ast::attr;
 use rustc_ast::node_id::NodeMap;
 use rustc_ast::ptr::P;
 use rustc_ast::visit::{self, AssocCtxt, Visitor};
+use rustc_ast::*;
 use rustc_errors::struct_span_err;
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, Res};

src/librustc_ast_lowering/lib.rs

@@ -37,14 +37,14 @@
 #![feature(or_patterns)]
 #![recursion_limit = "256"]
 
-use rustc_ast::ast;
-use rustc_ast::ast::*;
+use rustc_ast as ast;
 use rustc_ast::attr;
 use rustc_ast::node_id::NodeMap;
 use rustc_ast::token::{self, Nonterminal, Token};
 use rustc_ast::tokenstream::{TokenStream, TokenTree};
 use rustc_ast::visit::{self, AssocCtxt, Visitor};
 use rustc_ast::walk_list;
+use rustc_ast::*;
 use rustc_ast_pretty::pprust;
 use rustc_data_structures::captures::Captures;
 use rustc_data_structures::fx::FxHashSet;

src/librustc_ast_lowering/pat.rs

@@ -1,7 +1,7 @@
 use super::{ImplTraitContext, LoweringContext, ParamMode};
 
-use rustc_ast::ast::*;
 use rustc_ast::ptr::P;
+use rustc_ast::*;
 use rustc_hir as hir;
 use rustc_hir::def::Res;
 use rustc_span::{source_map::Spanned, Span};

src/librustc_ast_lowering/path.rs

@@ -1,7 +1,7 @@
 use super::{AnonymousLifetimeMode, ImplTraitContext, LoweringContext, ParamMode};
 use super::{GenericArgsCtor, ParenthesizedGenericArgs};
 
-use rustc_ast::ast::{self, *};
+use rustc_ast::{self as ast, *};
 use rustc_errors::{struct_span_err, Applicability};
 use rustc_hir as hir;
 use rustc_hir::def::{DefKind, PartialRes, Res};

src/librustc_ast_passes/ast_validation.rs

@@ -6,12 +6,12 @@
 // This pass is supposed to perform only simple checks not requiring name resolution
 // or type checking or some other kind of complex analysis.
 
-use rustc_ast::ast::*;
 use rustc_ast::attr;
 use rustc_ast::expand::is_proc_macro_attr;
 use rustc_ast::ptr::P;
 use rustc_ast::visit::{self, AssocCtxt, FnCtxt, FnKind, Visitor};
 use rustc_ast::walk_list;
+use rustc_ast::*;
 use rustc_ast_pretty::pprust;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_errors::{error_code, struct_span_err, Applicability};

src/librustc_ast_passes/feature_gate.rs

@@ -1,7 +1,7 @@
-use rustc_ast::ast::{self, AssocTyConstraint, AssocTyConstraintKind, NodeId};
-use rustc_ast::ast::{GenericParam, GenericParamKind, PatKind, RangeEnd, VariantData};
 use rustc_ast::attr;
 use rustc_ast::visit::{self, AssocCtxt, FnCtxt, FnKind, Visitor};
+use rustc_ast::{self as ast, AssocTyConstraint, AssocTyConstraintKind, NodeId};
+use rustc_ast::{GenericParam, GenericParamKind, PatKind, RangeEnd, VariantData};
 use rustc_errors::{struct_span_err, Handler};
 use rustc_feature::{AttributeGate, BUILTIN_ATTRIBUTE_MAP};
 use rustc_feature::{Features, GateIssue, UnstableFeatures};

src/librustc_ast_passes/node_count.rs

@@ -1,7 +1,7 @@
 // Simply gives a rought count of the number of nodes in an AST.
 
-use rustc_ast::ast::*;
 use rustc_ast::visit::*;
+use rustc_ast::*;
 use rustc_span::Span;
 
 pub struct NodeCounter {