Changeset 9151fcb for src/AST/Node.hpp
- Timestamp:
- Jun 7, 2019, 12:00:17 PM (5 years ago)
- Branches:
- ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum
- Children:
- e16e27e1, ef75948
- Parents:
- 0b73f0c (diff), 5684736 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
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- 1 edited
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src/AST/Node.hpp
r0b73f0c r9151fcb 18 18 #include <cassert> 19 19 #include <iosfwd> 20 #include <type_traits> // for remove_reference 20 21 21 22 #include "Common/ErrorObjects.h" // for SemanticErrorException … … 82 83 }; 83 84 84 // Mutate a node, non-member function to avoid static type85 // problems and be able to use auto return85 /// Mutate a node, non-member function to avoid static type 86 /// problems and be able to use auto return 86 87 template<typename node_t> 87 88 node_t * mutate( const node_t * node ) { … … 95 96 ); 96 97 return node->clone(); 98 } 99 100 /// Mutate a node field (only clones if not equal to existing value) 101 template<typename node_t, typename field_t> 102 const node_t * mutate_field( 103 const node_t * node, 104 typename std::remove_const<typename std::remove_reference<field_t>::type>::type node_t::* field, 105 field_t&& val 106 ) { 107 if ( node->*field == val ) return node; 108 109 node_t * ret = mutate( node ); 110 ret->*field = std::forward< field_t >( val ); 111 return ret; 97 112 } 98 113
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