From 9348af8396c961f8bb79cc360c091d74ea4ba34a Mon Sep 17 00:00:00 2001
From: Caio <c410.f3r@gmail.com>
Date: Tue, 13 Aug 2019 22:22:51 -0300
Subject: [PATCH] Add NodeId for Arm, Field and FieldPat

---
 src/libsyntax/ast.rs                      |  3 +++
 src/libsyntax/ext/build.rs                |  2 ++
 src/libsyntax/mut_visit.rs                | 12 +++++++++---
 src/libsyntax/parse/parser/expr.rs        |  3 +++
 src/libsyntax/parse/parser/pat.rs         |  1 +
 src/libsyntax_ext/deriving/generic/mod.rs |  1 +
 6 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 052eb55b40811..aadf7ec5588b4 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -608,6 +608,7 @@ pub struct FieldPat {
     pub pat: P<Pat>,
     pub is_shorthand: bool,
     pub attrs: ThinVec<Attribute>,
+    pub id: NodeId,
 }
 
 #[derive(Clone, PartialEq, RustcEncodable, RustcDecodable, Debug, Copy)]
@@ -925,6 +926,7 @@ pub struct Arm {
     pub guard: Option<P<Expr>>,
     pub body: P<Expr>,
     pub span: Span,
+    pub id: NodeId,
 }
 
 #[derive(Clone, RustcEncodable, RustcDecodable, Debug)]
@@ -934,6 +936,7 @@ pub struct Field {
     pub span: Span,
     pub is_shorthand: bool,
     pub attrs: ThinVec<Attribute>,
+    pub id: NodeId,
 }
 
 pub type SpannedIdent = Spanned<Ident>;
diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs
index 22962499a2b75..aab782d612e1b 100644
--- a/src/libsyntax/ext/build.rs
+++ b/src/libsyntax/ext/build.rs
@@ -403,6 +403,7 @@ impl<'a> ExtCtxt<'a> {
             span,
             is_shorthand: false,
             attrs: ThinVec::new(),
+            id: ast::DUMMY_NODE_ID,
         }
     }
     pub fn expr_struct(
@@ -612,6 +613,7 @@ impl<'a> ExtCtxt<'a> {
             guard: None,
             body: expr,
             span,
+            id: ast::DUMMY_NODE_ID,
         }
     }
 
diff --git a/src/libsyntax/mut_visit.rs b/src/libsyntax/mut_visit.rs
index be04c6a76b06d..f910aaaf8fa7b 100644
--- a/src/libsyntax/mut_visit.rs
+++ b/src/libsyntax/mut_visit.rs
@@ -383,10 +383,11 @@ pub fn noop_visit_use_tree<T: MutVisitor>(use_tree: &mut UseTree, vis: &mut T) {
 }
 
 pub fn noop_visit_arm<T: MutVisitor>(
-    Arm { attrs, pats, guard, body, span }: &mut Arm,
+    Arm { attrs, pats, guard, body, span, id }: &mut Arm,
     vis: &mut T,
 ) {
     visit_attrs(attrs, vis);
+    vis.visit_id(id);
     visit_vec(pats, |pat| vis.visit_pat(pat));
     visit_opt(guard, |guard| vis.visit_expr(guard));
     vis.visit_expr(body);
@@ -808,9 +809,10 @@ pub fn noop_visit_struct_field<T: MutVisitor>(f: &mut StructField, visitor: &mut
 }
 
 pub fn noop_visit_field<T: MutVisitor>(f: &mut Field, vis: &mut T) {
-    let Field { ident, expr, span, is_shorthand: _, attrs } = f;
+    let Field { ident, expr, span, is_shorthand: _, attrs, id } = f;
     vis.visit_ident(ident);
     vis.visit_expr(expr);
+    vis.visit_id(id);
     vis.visit_span(span);
     visit_thin_attrs(attrs, vis);
 }
@@ -1040,8 +1042,12 @@ pub fn noop_visit_pat<T: MutVisitor>(pat: &mut P<Pat>, vis: &mut T) {
         }
         PatKind::Struct(path, fields, _etc) => {
             vis.visit_path(path);
-            for Spanned { node: FieldPat { ident, pat, is_shorthand: _, attrs }, span } in fields {
+            for Spanned {
+                node: FieldPat { ident, pat, is_shorthand: _, attrs, id },
+                span
+            } in fields {
                 vis.visit_ident(ident);
+                vis.visit_id(id);
                 vis.visit_pat(pat);
                 visit_thin_attrs(attrs, vis);
                 vis.visit_span(span);
diff --git a/src/libsyntax/parse/parser/expr.rs b/src/libsyntax/parse/parser/expr.rs
index 4432c1329cbfe..823dca2c9e765 100644
--- a/src/libsyntax/parse/parser/expr.rs
+++ b/src/libsyntax/parse/parser/expr.rs
@@ -1444,6 +1444,7 @@ impl<'a> Parser<'a> {
             guard,
             body: expr,
             span: lo.to(hi),
+            id: ast::DUMMY_NODE_ID,
         })
     }
 
@@ -1599,6 +1600,7 @@ impl<'a> Parser<'a> {
                         expr: self.mk_expr(self.token.span, ExprKind::Err, ThinVec::new()),
                         is_shorthand: false,
                         attrs: ThinVec::new(),
+                        id: ast::DUMMY_NODE_ID,
                     });
                 }
             }
@@ -1684,6 +1686,7 @@ impl<'a> Parser<'a> {
             expr,
             is_shorthand,
             attrs: attrs.into(),
+            id: ast::DUMMY_NODE_ID,
         })
     }
 
diff --git a/src/libsyntax/parse/parser/pat.rs b/src/libsyntax/parse/parser/pat.rs
index 5cc428a4df1de..5a1b41645099b 100644
--- a/src/libsyntax/parse/parser/pat.rs
+++ b/src/libsyntax/parse/parser/pat.rs
@@ -620,6 +620,7 @@ impl<'a> Parser<'a> {
                 pat: subpat,
                 is_shorthand,
                 attrs: attrs.into(),
+                id: ast::DUMMY_NODE_ID,
            }
         })
     }
diff --git a/src/libsyntax_ext/deriving/generic/mod.rs b/src/libsyntax_ext/deriving/generic/mod.rs
index 7e6d9126c8740..b21a6e7bc78a0 100644
--- a/src/libsyntax_ext/deriving/generic/mod.rs
+++ b/src/libsyntax_ext/deriving/generic/mod.rs
@@ -1613,6 +1613,7 @@ impl<'a> TraitDef<'a> {
                         source_map::Spanned {
                             span: pat.span.with_ctxt(self.span.ctxt()),
                             node: ast::FieldPat {
+                                id: ast::DUMMY_NODE_ID,
                                 ident: ident.unwrap(),
                                 pat,
                                 is_shorthand: false,