Changeset 7d0881c for src/AST/Node.hpp

Timestamp:

Jun 28, 2019, 11:59:00 AM (5 years ago)

Author:

Michael Brooks <mlbrooks@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

55b6476

Parents:

e0e9a0b

Message:

Aaron added decrement-without delete option to Node infrastructure

File:

• src/AST/Node.hpp (modified) (4 diffs)

src/AST/Node.hpp

@@ -69 +69 @@
         }
 
-        void decrement(ast::Node::ref_type ref) const {
+        void decrement(ast::Node::ref_type ref, bool do_delete = true) const {
                 switch (ref) {
                         case ref_type::strong: strong_count--; break;
@@ -75 +75 @@
                 }
 
-                if(!strong_count && !weak_count) {
+                if( do_delete && !strong_count && !weak_count) {
                         delete this;
                 }
@@ -228 +228 @@
         operator const node_t * () const { _check(); return node; }
 
+        const node_t * release() {
+                const node_t * ret = node;
+                if ( node ) {
+                        _dec(node, false);
+                        node = nullptr;
+                }
+                return ret;
+        }
+
         /// wrapper for convenient access to dynamic_cast
         template<typename o_node_t>
@@ -253 +262 @@
 
         void _inc( const node_t * other );
-        void _dec( const node_t * other );
+        void _dec( const node_t * other, bool do_delete = true );
         void _check() const;