[gcc r14-7982] gccrs: Add proc macros abstractions to crate structure

[Arthur Cohen]

https://gcc.gnu.org/g:5ea74345459e72a8cd5b9ff00d78428893251edd

commit r14-7982-g5ea74345459e72a8cd5b9ff00d78428893251edd
Author: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date:   Mon Jul 31 18:31:51 2023 +0200

    gccrs: Add proc macros abstractions to crate structure
    
    Add multiple setters for a crate object in order to add macro
    abstractions previously introduced.
    
    gcc/rust/ChangeLog:
    
            * ast/rust-ast.h (struct Crate): Add proc macro members.
    
    Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>

Diff:
---
 gcc/rust/ast/rust-ast.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/gcc/rust/ast/rust-ast.h b/gcc/rust/ast/rust-ast.h
index b78c4291e7a..ca117842a24 100644
--- a/gcc/rust/ast/rust-ast.h
+++ b/gcc/rust/ast/rust-ast.h
@@ -2026,6 +2026,10 @@ struct Crate
 
   NodeId node_id;
 
+  std::vector<AttributeProcMacro> attribute_macros;
+  std::vector<CustomDeriveProcMacro> derive_macros;
+  std::vector<BangProcMacro> bang_macros;
+
 public:
   // Constructor
   Crate (std::vector<std::unique_ptr<Item>> items,
@@ -2088,6 +2092,16 @@ public:
   {
     items = std::move (new_items);
   }
+
+  void add_bang_macro (ProcMacro::Bang macro) { bang_macros.push_back (macro); }
+  void add_attribute_macro (ProcMacro::Attribute macro)
+  {
+    attribute_macros.push_back (macro);
+  }
+  void add_derive_macro (ProcMacro::CustomDerive macro)
+  {
+    derive_macros.push_back (macro);
+  }
 };
 
 // Base path expression AST node - abstract