Changes in src/AST/Node.hpp [f685679:10a1225]
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src/AST/Node.hpp
rf685679 r10a1225 10 10 // Created On : Wed May 8 10:27:04 2019 11 11 // Last Modified By : Andrew Beach 12 // Last Modified On : Thu May 23 16:00:00 201913 // Update Count : 412 // Last Modified On : Wed May 15 16:02:00 2019 13 // Update Count : 3 14 14 // 15 15 … … 94 94 std::ostream& operator<< ( std::ostream& out, const Node * node ); 95 95 96 /// Call a visitor on a possibly-null node97 template<typename node_t>98 auto maybe_accept( const node_t * n, Visitor & v ) -> decltype( n->accept(v) ) {99 return n ? n->accept( v ) : nullptr;100 }101 102 96 /// Base class for the smart pointer types 103 97 /// should never really be used. … … 108 102 ptr_base( const node_t * n ) : node(n) { if( node ) _inc(node); } 109 103 ~ptr_base() { if( node ) _dec(node); } 110 111 ptr_base( const ptr_base & o ) : node(o.node) {112 if( node ) _inc(node);113 }114 115 ptr_base( ptr_base && o ) : node(o.node) {116 if( node ) _inc(node);117 }118 104 119 105 template< enum Node::ref_type o_ref_t > … … 129 115 template<typename o_node_t> 130 116 ptr_base & operator=( const o_node_t * node ) { 131 assign( node ? strict_dynamic_cast<const node_t *>(node) : nullptr ); 132 return *this; 133 } 134 135 ptr_base & operator=( const ptr_base & o ) { 136 assign(o.node); 137 return *this; 138 } 139 140 ptr_base & operator=( ptr_base && o ) { 141 assign(o.node); 117 assign(strict_dynamic_cast<const node_t *>(node)); 142 118 return *this; 143 119 } … … 164 140 template<typename o_node_t> 165 141 const o_node_t * as() const { return dynamic_cast<const o_node_t *>(node); } 166 167 /// Returns a mutable version of the pointer in this node.168 node_t * get_and_mutate();169 142 170 143 /// Sets this pointer to a mutated version of a pointer (possibly) owned elsehere.
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