blob: 13294fb8b0f5c572435f33658e4d301274a6445c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
* $Id$
*/
#include "antlr/ASTRefCount.h"
#include "antlr/AST.h"
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif
ASTRef::ASTRef(AST* p)
: ptr(p), count(1)
{
if (p && !p->ref)
p->ref = this;
}
ASTRef::~ASTRef()
{
delete ptr;
}
ASTRef* ASTRef::getRef(const AST* p)
{
if (p) {
AST* pp = const_cast<AST*>(p);
if (pp->ref)
return pp->ref->increment();
else
return new ASTRef(pp);
} else
return 0;
}
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif
|
