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From: Arthur Cohen <cohenarthur@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r13-5543] gccrs: dump: Add AST debugging using the AST::Dump
 class
X-Act-Checkin: gcc
X-Git-Author: Arthur Cohen <arthur.cohen@embecosm.com>
X-Git-Refname: refs/heads/master
X-Git-Oldrev: 252216dd0c5956dfb931031fd1f8dfa59c922160
X-Git-Newrev: 7dc41901213d32ff9962f1d54cc6291c38d0e597
Message-Id: <20230131131502.482AB385B532@sourceware.org>
Date: Tue, 31 Jan 2023 13:15:02 +0000 (GMT)
List-Id: <gcc-cvs.sourceware.org>

https://gcc.gnu.org/g:7dc41901213d32ff9962f1d54cc6291c38d0e597

commit r13-5543-g7dc41901213d32ff9962f1d54cc6291c38d0e597
Author: Arthur Cohen <arthur.cohen@embecosm.com>
Date:   Mon Aug 29 13:37:00 2022 +0200

    gccrs: dump: Add AST debugging using the AST::Dump class
    
    gcc/rust/ChangeLog:
    
            * ast/rust-ast-dump.h: Add shorthand `AST::Dump::debug` function to
            dump an AST node on `stderr`.

Diff:
---
 gcc/rust/ast/rust-ast-dump.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/gcc/rust/ast/rust-ast-dump.h b/gcc/rust/ast/rust-ast-dump.h
index 4fa4db9265f..955dbc0bebc 100644
--- a/gcc/rust/ast/rust-ast-dump.h
+++ b/gcc/rust/ast/rust-ast-dump.h
@@ -52,6 +52,22 @@ public:
   void go (AST::Crate &crate);
   void go (AST::Item &item);
 
+  /**
+   * Use the AST Dump as a debugging tool
+   */
+  template <typename T> static void debug (T &instance)
+  {
+    auto dump = Dump (std::cerr);
+
+    std::cerr << '\n';
+    instance.accept_vis (dump);
+    std::cerr << '\n';
+  }
+  template <typename T> static void debug (std::unique_ptr<T> &instance)
+  {
+    debug (*instance);
+  }
+
 private:
   std::ostream &stream;
   Indent indentation;