From 2dcd791d46523e75da5c594033383e90c08d4ae3 Mon Sep 17 00:00:00 2001
From: Daniel Campbell <campbelldj@hotmail.com>
Date: Tue, 15 Dec 2015 17:31:54 +1300
Subject: Generated code spans now point to callsite parameters (where
 applicable)

---
 src/libsyntax/ext/tt/macro_parser.rs | 9 ++++++---
 src/libsyntax/ext/tt/transcribe.rs   | 4 ++--
 src/libsyntax/fold.rs                | 3 ++-
 src/libsyntax/parse/token.rs         | 2 +-
 src/libsyntax/print/pprust.rs        | 2 +-
 5 files changed, 12 insertions(+), 8 deletions(-)

(limited to 'src/libsyntax')

diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/tt/macro_parser.rs
index 5b8307eb6c6..16764e5af5c 100644
--- a/src/libsyntax/ext/tt/macro_parser.rs
+++ b/src/libsyntax/ext/tt/macro_parser.rs
@@ -79,8 +79,8 @@ pub use self::ParseResult::*;
 use self::TokenTreeOrTokenTreeVec::*;
 
 use ast;
-use ast::{TokenTree, Name};
-use codemap::{BytePos, mk_sp, Span};
+use ast::{TokenTree, Name, Ident};
+use codemap::{BytePos, mk_sp, Span, Spanned};
 use codemap;
 use parse::lexer::*; //resolve bug?
 use parse::ParseSess;
@@ -526,7 +526,10 @@ pub fn parse_nt(p: &mut Parser, sp: Span, name: &str) -> Nonterminal {
         "ty" => token::NtTy(panictry!(p.parse_ty())),
         // this could be handled like a token, since it is one
         "ident" => match p.token {
-            token::Ident(sn,b) => { panictry!(p.bump()); token::NtIdent(Box::new(sn),b) }
+            token::Ident(sn,b) => {
+                panictry!(p.bump());
+                token::NtIdent(Box::new(Spanned::<Ident>{node: sn, span: p.span}),b)
+            }
             _ => {
                 let token_str = pprust::token_to_string(&p.token);
                 panic!(p.fatal(&format!("expected ident, found {}",
diff --git a/src/libsyntax/ext/tt/transcribe.rs b/src/libsyntax/ext/tt/transcribe.rs
index 0fc31f3fd08..ba781ae3cc2 100644
--- a/src/libsyntax/ext/tt/transcribe.rs
+++ b/src/libsyntax/ext/tt/transcribe.rs
@@ -293,8 +293,8 @@ pub fn tt_next_token(r: &mut TtReader) -> TokenAndSpan {
                             // (a) idents can be in lots of places, so it'd be a pain
                             // (b) we actually can, since it's a token.
                             MatchedNonterminal(NtIdent(ref sn, b)) => {
-                                r.cur_span = sp;
-                                r.cur_tok = token::Ident(**sn, b);
+                                r.cur_span = sn.span;
+                                r.cur_tok = token::Ident(sn.node, b);
                                 return ret_val;
                             }
                             MatchedNonterminal(ref other_whole_nt) => {
diff --git a/src/libsyntax/fold.rs b/src/libsyntax/fold.rs
index 73f2c51b246..944dd44a0b6 100644
--- a/src/libsyntax/fold.rs
+++ b/src/libsyntax/fold.rs
@@ -663,7 +663,8 @@ pub fn noop_fold_interpolated<T: Folder>(nt: token::Nonterminal, fld: &mut T)
         token::NtExpr(expr) => token::NtExpr(fld.fold_expr(expr)),
         token::NtTy(ty) => token::NtTy(fld.fold_ty(ty)),
         token::NtIdent(id, is_mod_name) =>
-            token::NtIdent(Box::new(fld.fold_ident(*id)), is_mod_name),
+            token::NtIdent(Box::new(Spanned::<Ident>{node: fld.fold_ident(id.node), .. *id}),
+                           is_mod_name),
         token::NtMeta(meta_item) => token::NtMeta(fld.fold_meta_item(meta_item)),
         token::NtPath(path) => token::NtPath(Box::new(fld.fold_path(*path))),
         token::NtTT(tt) => token::NtTT(P(fld.fold_tt(&tt))),
diff --git a/src/libsyntax/parse/token.rs b/src/libsyntax/parse/token.rs
index 17b7d8dbaec..b942954c187 100644
--- a/src/libsyntax/parse/token.rs
+++ b/src/libsyntax/parse/token.rs
@@ -377,7 +377,7 @@ pub enum Nonterminal {
     NtPat(P<ast::Pat>),
     NtExpr(P<ast::Expr>),
     NtTy(P<ast::Ty>),
-    NtIdent(Box<ast::Ident>, IdentStyle),
+    NtIdent(Box<ast::SpannedIdent>, IdentStyle),
     /// Stuff inside brackets for attributes
     NtMeta(P<ast::MetaItem>),
     NtPath(Box<ast::Path>),
diff --git a/src/libsyntax/print/pprust.rs b/src/libsyntax/print/pprust.rs
index f7105951296..d3c570de248 100644
--- a/src/libsyntax/print/pprust.rs
+++ b/src/libsyntax/print/pprust.rs
@@ -296,7 +296,7 @@ pub fn token_to_string(tok: &Token) -> String {
             token::NtBlock(ref e)       => block_to_string(&**e),
             token::NtStmt(ref e)        => stmt_to_string(&**e),
             token::NtPat(ref e)         => pat_to_string(&**e),
-            token::NtIdent(ref e, _)    => ident_to_string(**e),
+            token::NtIdent(ref e, _)    => ident_to_string(e.node),
             token::NtTT(ref e)          => tt_to_string(&**e),
             token::NtArm(ref e)         => arm_to_string(&*e),
             token::NtImplItem(ref e)    => impl_item_to_string(&**e),
-- 
cgit 1.4.1-3-g733a5