src/antlr/ASTRefCount.cpp

/* ANTLR Translator Generator
 * Project led by Terence Parr at http://www.jGuru.com
 * Software rights: http://www.antlr.org/license.html
 *
 * $Id: ASTRefCount.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $
 */
#include "antlr/ASTRefCount.hpp"
#include "antlr/AST.hpp"

#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

Revision:	770
Committed:	Fri Dec 2 15:38:03 2005 UTC (19 years, 5 months ago) by tim
File size:	677 byte(s)
Log Message:	End of the Link --> List Return of the Oject-Oriented replace yacc/lex parser with antlr parser
#	User	Rev	Content
1	tim	770	/* ANTLR Translator Generator
2			* Project led by Terence Parr at http://www.jGuru.com
3			* Software rights: http://www.antlr.org/license.html
4			*
5			* $Id: ASTRefCount.cpp,v 1.1 2005-12-02 15:38:02 tim Exp $
6			*/
7			#include "antlr/ASTRefCount.hpp"
8			#include "antlr/AST.hpp"
9
10			#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
11			namespace antlr {
12			#endif
13
14			ASTRef::ASTRef(AST* p)
15			: ptr(p), count(1)
16			{
17			if (p && !p->ref)
18			p->ref = this;
19			}
20
21			ASTRef::~ASTRef()
22			{
23			delete ptr;
24			}
25
26			ASTRef* ASTRef::getRef(const AST* p)
27			{
28			if (p) {
29			AST* pp = const_cast<AST*>(p);
30			if (pp->ref)
31			return pp->ref->increment();
32			else
33			return new ASTRef(pp);
34			} else
35			return 0;
36			}
37
38			#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
39			}
40			#endif
41