projects / apple / security.git / blame
| Commit | Line | Data |
|---|---|---|
| 427c49bc A |
1 | /* 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 | * $Id:$ | |
| 6 | */ | |
| 7 | #include "antlr/TokenRefCount.hpp" | |
| 8 | #include "antlr/Token.hpp" | |
| 9 | ||
| 10 | #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE | |
| 11 | namespace antlr { | |
| 12 | #endif | |
| 13 | ||
| 14 | TokenRef::TokenRef(Token* p) | |
| 15 | : ptr(p), count(1) | |
| 16 | { | |
| 17 | if (p && !p->ref) | |
| 18 | p->ref = this; | |
| 19 | } | |
| 20 | ||
| 21 | TokenRef::~TokenRef() | |
| 22 | { | |
| 23 | delete ptr; | |
| 24 | } | |
| 25 | ||
| 26 | TokenRef* TokenRef::getRef(const Token* p) | |
| 27 | { | |
| 28 | if (p) { | |
| 29 | Token* pp = const_cast<Token*>(p); | |
| 30 | if (pp->ref) | |
| 31 | return pp->ref->increment(); | |
| 32 | else | |
| 33 | return new TokenRef(pp); | |
| 34 | } else | |
| 35 | return 0; | |
| 36 | } | |
| 37 | ||
| 38 | #ifdef ANTLR_CXX_SUPPORTS_NAMESPACE | |
| 39 | } | |
| 40 | #endif | |
| 41 |