Remove Spanned from ast::Mac

src/librustc/lint/context.rs

@@ -1345,7 +1345,7 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
         // part of `walk_mac`, and (b) we should be calling
         // `visit_path`, *but* that would require a `NodeId`, and I
         // want to get #53686 fixed quickly. -nmatsakis
-        ast_visit::walk_path(self, &mac.node.path);
+        ast_visit::walk_path(self, &mac.path);
 
         run_early_pass!(self, check_mac, mac);
     }

src/librustc_lint/builtin.rs

@@ -1493,7 +1493,7 @@ impl EarlyLintPass for KeywordIdents {
         self.check_tokens(cx, mac_def.stream());
     }
     fn check_mac(&mut self, cx: &EarlyContext<'_>, mac: &ast::Mac) {
-        self.check_tokens(cx, mac.node.tts.clone().into());
+        self.check_tokens(cx, mac.tts.clone().into());
     }
     fn check_ident(&mut self, cx: &EarlyContext<'_>, ident: ast::Ident) {
         self.check_ident_token(cx, UnderMacro(false), ident);

src/librustc_passes/ast_validation.rs

@@ -824,7 +824,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
             |this| visit::walk_enum_def(this, enum_definition, generics, item_id))
     }
 
-    fn visit_mac(&mut self, mac: &Spanned<Mac_>) {
+    fn visit_mac(&mut self, mac: &Mac) {
         // when a new macro kind is added but the author forgets to set it up for expansion
         // because that's the only part that won't cause a compiler error
         self.session.diagnostic()

src/librustc_resolve/macros.rs

@@ -186,7 +186,7 @@ impl<'a> base::Resolver for Resolver<'a> {
             InvocationKind::Attr { ref attr, ref derives, after_derive, .. } =>
                 (&attr.path, MacroKind::Attr, derives.clone(), after_derive),
             InvocationKind::Bang { ref mac, .. } =>
-                (&mac.node.path, MacroKind::Bang, Vec::new(), false),
+                (&mac.path, MacroKind::Bang, Vec::new(), false),
             InvocationKind::Derive { ref path, .. } =>
                 (path, MacroKind::Derive, Vec::new(), false),
             InvocationKind::DeriveContainer { ref derives, .. } => {

src/libsyntax/ast.rs

@@ -1285,19 +1285,18 @@ pub enum Movability {
     Movable,
 }
 
-pub type Mac = Spanned<Mac_>;
-
 /// Represents a macro invocation. The `Path` indicates which macro
 /// is being invoked, and the vector of token-trees contains the source
 /// of the macro invocation.
 ///
 /// N.B., the additional ident for a `macro_rules`-style macro is actually
 /// stored in the enclosing item.
 #[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
-pub struct Mac_ {
+pub struct Mac {
     pub path: Path,
     pub delim: MacDelimiter,
     pub tts: TokenStream,
+    pub span: Span,
     pub prior_type_ascription: Option<(Span, bool)>,
 }
 
@@ -1308,7 +1307,7 @@ pub enum MacDelimiter {
     Brace,
 }
 
-impl Mac_ {
+impl Mac {
     pub fn stream(&self) -> TokenStream {
         self.tts.clone()
     }

src/libsyntax/ext/expand.rs

@@ -492,22 +492,21 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
             InvocationKind::Bang { mac, .. } => match ext {
                 SyntaxExtensionKind::Bang(expander) => {
                     self.gate_proc_macro_expansion_kind(span, fragment_kind);
-                    let tok_result = expander.expand(self.cx, span, mac.node.stream());
+                    let tok_result = expander.expand(self.cx, span, mac.stream());
                     let result =
-                        self.parse_ast_fragment(tok_result, fragment_kind, &mac.node.path, span);
+                        self.parse_ast_fragment(tok_result, fragment_kind, &mac.path, span);
                     self.gate_proc_macro_expansion(span, &result);
                     result
                 }
                 SyntaxExtensionKind::LegacyBang(expander) => {
                     let prev = self.cx.current_expansion.prior_type_ascription;
-                    self.cx.current_expansion.prior_type_ascription =
-                        mac.node.prior_type_ascription;
-                    let tok_result = expander.expand(self.cx, span, mac.node.stream());
+                    self.cx.current_expansion.prior_type_ascription = mac.prior_type_ascription;
+                    let tok_result = expander.expand(self.cx, span, mac.stream());
                     let result = if let Some(result) = fragment_kind.make_from(tok_result) {
                         result
                     } else {
                         let msg = format!("non-{kind} macro in {kind} position: {path}",
-                                          kind = fragment_kind.name(), path = mac.node.path);
+                                          kind = fragment_kind.name(), path = mac.path);
                         self.cx.span_err(span, &msg);
                         self.cx.trace_macros_diag();
                         fragment_kind.dummy(span)

src/libsyntax/ext/placeholders.rs

@@ -14,12 +14,13 @@ use rustc_data_structures::fx::FxHashMap;
 
 pub fn placeholder(kind: AstFragmentKind, id: ast::NodeId) -> AstFragment {
     fn mac_placeholder() -> ast::Mac {
-        dummy_spanned(ast::Mac_ {
+        ast::Mac {
             path: ast::Path { span: DUMMY_SP, segments: Vec::new() },
             tts: TokenStream::empty().into(),
             delim: ast::MacDelimiter::Brace,
+            span: DUMMY_SP,
             prior_type_ascription: None,
-        })
+        }
     }
 
     let ident = ast::Ident::invalid();

src/libsyntax/mut_visit.rs

@@ -533,8 +533,8 @@ pub fn noop_visit_attribute<T: MutVisitor>(attr: &mut Attribute, vis: &mut T) {
     vis.visit_span(span);
 }
 
-pub fn noop_visit_mac<T: MutVisitor>(Spanned { node, span }: &mut Mac, vis: &mut T) {
-    let Mac_ { path, delim: _, tts, .. } = node;
+pub fn noop_visit_mac<T: MutVisitor>(mac: &mut Mac, vis: &mut T) {
+    let Mac { path, delim: _, tts, span, prior_type_ascription: _ } = mac;
     vis.visit_path(path);
     vis.visit_tts(tts);
     vis.visit_span(span);

src/libsyntax/parse/parser/expr.rs

@@ -8,13 +8,13 @@ use crate::ast::{self, Attribute, AttrStyle, Ident, CaptureBy, BlockCheckMode};
 use crate::ast::{Expr, ExprKind, RangeLimits, Label, Movability, IsAsync, Arm};
 use crate::ast::{Ty, TyKind, FunctionRetTy, Arg, FnDecl};
 use crate::ast::{BinOpKind, BinOp, UnOp};
-use crate::ast::{Mac_, AnonConst, Field};
+use crate::ast::{Mac, AnonConst, Field};
 
 use crate::parse::classify;
 use crate::parse::token::{self, Token};
 use crate::parse::diagnostics::{Error};
 use crate::print::pprust;
-use crate::source_map::{self, respan, Span};
+use crate::source_map::{self, Span};
 use crate::symbol::{kw, sym};
 use crate::util::parser::{AssocOp, Fixity, prec_let_scrutinee_needs_par};
 
@@ -1011,12 +1011,13 @@ impl<'a> Parser<'a> {
                         // MACRO INVOCATION expression
                         let (delim, tts) = self.expect_delimited_token_tree()?;
                         hi = self.prev_span;
-                        ex = ExprKind::Mac(respan(lo.to(hi), Mac_ {
+                        ex = ExprKind::Mac(Mac {
                             path,
                             tts,
                             delim,
+                            span: lo.to(hi),
                             prior_type_ascription: self.last_type_ascription,
-                        }));
+                        });
                     } else if self.check(&token::OpenDelim(token::Brace)) {
                         if let Some(expr) = self.maybe_parse_struct_expr(lo, &path, &attrs) {
                             return expr;

src/libsyntax/parse/parser/item.rs

@@ -10,7 +10,7 @@ use crate::ast::{Visibility, VisibilityKind, Mutability, FnDecl, FnHeader};
 use crate::ast::{ForeignItem, ForeignItemKind};
 use crate::ast::{Ty, TyKind, GenericBounds, TraitRef};
 use crate::ast::{EnumDef, VariantData, StructField, AnonConst};
-use crate::ast::{Mac, Mac_, MacDelimiter};
+use crate::ast::{Mac, MacDelimiter};
 use crate::ext::base::DummyResult;
 use crate::parse::token;
 use crate::parse::parser::maybe_append;
@@ -530,12 +530,13 @@ impl<'a> Parser<'a> {
             }
 
             let hi = self.prev_span;
-            let mac = respan(mac_lo.to(hi), Mac_ {
+            let mac = Mac {
                 path,
                 tts,
                 delim,
+                span: mac_lo.to(hi),
                 prior_type_ascription: self.last_type_ascription,
-            });
+            };
             let item =
                 self.mk_item(lo.to(hi), Ident::invalid(), ItemKind::Mac(mac), visibility, attrs);
             return Ok(Some(item));
@@ -604,12 +605,13 @@ impl<'a> Parser<'a> {
                 self.expect(&token::Semi)?;
             }
 
-            Ok(Some(respan(lo.to(self.prev_span), Mac_ {
+            Ok(Some(Mac {
                 path,
                 tts,
                 delim,
+                span: lo.to(self.prev_span),
                 prior_type_ascription: self.last_type_ascription,
-            })))
+            }))
         } else {
             Ok(None)
         }

src/libsyntax/parse/parser/pat.rs

@@ -2,7 +2,7 @@ use super::{Parser, PResult, PathStyle};
 
 use crate::{maybe_recover_from_interpolated_ty_qpath, maybe_whole};
 use crate::ptr::P;
-use crate::ast::{self, Attribute, Pat, PatKind, FieldPat, RangeEnd, RangeSyntax, Mac_};
+use crate::ast::{self, Attribute, Pat, PatKind, FieldPat, RangeEnd, RangeSyntax, Mac};
 use crate::ast::{BindingMode, Ident, Mutability, Path, QSelf, Expr, ExprKind};
 use crate::parse::token::{self};
 use crate::print::pprust;
@@ -275,12 +275,13 @@ impl<'a> Parser<'a> {
     fn parse_pat_mac_invoc(&mut self, lo: Span, path: Path) -> PResult<'a, PatKind> {
         self.bump();
         let (delim, tts) = self.expect_delimited_token_tree()?;
-        let mac = respan(lo.to(self.prev_span), Mac_ {
+        let mac = Mac {
             path,
             tts,
             delim,
+            span: lo.to(self.prev_span),
             prior_type_ascription: self.last_type_ascription,
-        });
+        };
         Ok(PatKind::Mac(mac))
     }
 

src/libsyntax/parse/parser/stmt.rs

@@ -5,7 +5,7 @@ use super::path::PathStyle;
 use crate::ptr::P;
 use crate::{maybe_whole, ThinVec};
 use crate::ast::{self, Stmt, StmtKind, Local, Block, BlockCheckMode, Expr, ExprKind};
-use crate::ast::{Attribute, AttrStyle, VisibilityKind, MacStmtStyle, Mac_, MacDelimiter};
+use crate::ast::{Attribute, AttrStyle, VisibilityKind, MacStmtStyle, Mac, MacDelimiter};
 use crate::ext::base::DummyResult;
 use crate::parse::{classify, DirectoryOwnership};
 use crate::parse::diagnostics::Error;
@@ -99,12 +99,13 @@ impl<'a> Parser<'a> {
                 MacStmtStyle::NoBraces
             };
 
-            let mac = respan(lo.to(hi), Mac_ {
+            let mac = Mac {
                 path,
                 tts,
                 delim,
+                span: lo.to(hi),
                 prior_type_ascription: self.last_type_ascription,
-            });
+            };
             let node = if delim == MacDelimiter::Brace ||
                           self.token == token::Semi || self.token == token::Eof {
                 StmtKind::Mac(P((mac, style, attrs.into())))

src/libsyntax/parse/parser/ty.rs

@@ -4,9 +4,9 @@ use crate::{maybe_whole, maybe_recover_from_interpolated_ty_qpath};
 use crate::ptr::P;
 use crate::ast::{self, Ty, TyKind, MutTy, BareFnTy, FunctionRetTy, GenericParam, Lifetime, Ident};
 use crate::ast::{TraitBoundModifier, TraitObjectSyntax, GenericBound, GenericBounds, PolyTraitRef};
-use crate::ast::{Mutability, AnonConst, FnDecl, Mac_};
+use crate::ast::{Mutability, AnonConst, FnDecl, Mac};
 use crate::parse::token::{self, Token};
-use crate::source_map::{respan, Span};
+use crate::source_map::Span;
 use crate::symbol::{kw};
 
 use rustc_target::spec::abi::Abi;
@@ -175,13 +175,14 @@ impl<'a> Parser<'a> {
             if self.eat(&token::Not) {
                 // Macro invocation in type position
                 let (delim, tts) = self.expect_delimited_token_tree()?;
-                let node = Mac_ {
+                let mac = Mac {
                     path,
                     tts,
                     delim,
+                    span: lo.to(self.prev_span),
                     prior_type_ascription: self.last_type_ascription,
                 };
-                TyKind::Mac(respan(lo.to(self.prev_span), node))
+                TyKind::Mac(mac)
             } else {
                 // Just a type path or bound list (trait object type) starting with a trait.
                 //   `Type`

src/libsyntax/parse/tests.rs

@@ -273,7 +273,7 @@ fn ttdelim_span() {
             "foo!( fn main() { body } )".to_string(), &sess).unwrap();
 
         let tts: Vec<_> = match expr.node {
-            ast::ExprKind::Mac(ref mac) => mac.node.stream().trees().collect(),
+            ast::ExprKind::Mac(ref mac) => mac.stream().trees().collect(),
             _ => panic!("not a macro"),
         };
 

src/libsyntax/print/pprust.rs

@@ -1067,7 +1067,7 @@ impl<'a> State<'a> {
             }
             ast::ForeignItemKind::Macro(ref m) => {
                 self.print_mac(m);
-                match m.node.delim {
+                match m.delim {
                     MacDelimiter::Brace => {},
                     _ => self.s.word(";")
                 }
@@ -1341,7 +1341,7 @@ impl<'a> State<'a> {
             }
             ast::ItemKind::Mac(ref mac) => {
                 self.print_mac(mac);
-                match mac.node.delim {
+                match mac.delim {
                     MacDelimiter::Brace => {}
                     _ => self.s.word(";"),
                 }
@@ -1554,7 +1554,7 @@ impl<'a> State<'a> {
             }
             ast::TraitItemKind::Macro(ref mac) => {
                 self.print_mac(mac);
-                match mac.node.delim {
+                match mac.delim {
                     MacDelimiter::Brace => {}
                     _ => self.s.word(";"),
                 }
@@ -1591,7 +1591,7 @@ impl<'a> State<'a> {
             }
             ast::ImplItemKind::Macro(ref mac) => {
                 self.print_mac(mac);
-                match mac.node.delim {
+                match mac.delim {
                     MacDelimiter::Brace => {}
                     _ => self.s.word(";"),
                 }
@@ -1749,11 +1749,11 @@ impl<'a> State<'a> {
 
     crate fn print_mac(&mut self, m: &ast::Mac) {
         self.print_mac_common(
-            Some(MacHeader::Path(&m.node.path)),
+            Some(MacHeader::Path(&m.path)),
             true,
             None,
-            m.node.delim.to_token(),
-            m.node.stream(),
+            m.delim.to_token(),
+            m.stream(),
             true,
             m.span,
         );

src/libsyntax/visit.rs

@@ -663,7 +663,7 @@ pub fn walk_stmt<'a, V: Visitor<'a>>(visitor: &mut V, statement: &'a Stmt) {
 }
 
 pub fn walk_mac<'a, V: Visitor<'a>>(visitor: &mut V, mac: &'a Mac) {
-    visitor.visit_path(&mac.node.path, DUMMY_NODE_ID);
+    visitor.visit_path(&mac.path, DUMMY_NODE_ID);
 }
 
 pub fn walk_anon_const<'a, V: Visitor<'a>>(visitor: &mut V, constant: &'a AnonConst) {

src/libsyntax_ext/assert.rs

@@ -1,7 +1,6 @@
 use errors::{Applicability, DiagnosticBuilder};
 
 use syntax::ast::{self, *};
-use syntax::source_map::Spanned;
 use syntax::ext::base::*;
 use syntax::parse::token::{self, TokenKind};
 use syntax::parse::parser::Parser;
@@ -25,7 +24,7 @@ pub fn expand_assert<'cx>(
     };
 
     let sp = sp.apply_mark(cx.current_expansion.id);
-    let panic_call = Mac_ {
+    let panic_call = Mac {
         path: Path::from_ident(Ident::new(sym::panic, sp)),
         tts: custom_message.unwrap_or_else(|| {
             TokenStream::from(TokenTree::token(
@@ -37,17 +36,15 @@ pub fn expand_assert<'cx>(
             ))
         }).into(),
         delim: MacDelimiter::Parenthesis,
+        span: sp,
         prior_type_ascription: None,
     };
     let if_expr = cx.expr_if(
         sp,
         cx.expr(sp, ExprKind::Unary(UnOp::Not, cond_expr)),
         cx.expr(
             sp,
-            ExprKind::Mac(Spanned {
-                span: sp,
-                node: panic_call,
-            }),
+            ExprKind::Mac(panic_call),
         ),
         None,
     );