source: doc/papers/general/evaluation/cpp-vstack.cpp@ 3d8f2f8

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 3d8f2f8 was 8b001bd, checked in by Peter A. Buhr <pabuhr@…>, 8 years ago

more changes

  • Property mode set to 100644
File size: 1.1 KB
Line 
1#include "cpp-vstack.hpp"
2#include <utility>
3
4stack::node::node( const object & v, node * n ) : value( v.new_copy() ), next( n ) {}
5
6void stack::clear() {
7 for ( node * next = head; next; ) {
8 node * crnt = next;
9 next = crnt->next;
10 delete crnt;
11 }
12 head = nullptr;
13}
14
15void stack::copy( const stack & o ) {
16 node ** crnt = &head;
17 for ( node * next = o.head; next; next = next->next ) {
18 *crnt = new node{ *next->value }; /***/
19 crnt = &(*crnt)->next;
20 }
21 *crnt = nullptr;
22}
23
24stack::stack() : head( nullptr ) {}
25stack::stack( const stack & o ) { copy( o ); }
26stack::stack( stack && o ) : head( o.head ) { o.head = nullptr; }
27stack::~stack() { clear(); }
28
29stack & stack::operator=( const stack & o ) {
30 if ( this == &o ) return *this;
31 clear();
32 copy( o );
33 return *this;
34}
35
36stack & stack::operator=( stack && o ) {
37 if ( this == &o ) return *this;
38 head = o.head;
39 o.head = nullptr;
40 return *this;
41}
42
43bool stack::empty() const { return head == nullptr; }
44
45void stack::push( const object & value ) { head = new node{ value, head }; /***/ }
46
47ptr<object> stack::pop() {
48 node * n = head;
49 head = n->next;
50 ptr<object> v = std::move( n->value );
51 delete n;
52 return v;
53}
Note: See TracBrowser for help on using the repository browser.