3 * ANTLRToken MUST be defined before entry to this file.
7 * We reserve no LEGAL rights to the Purdue Compiler Construction Tool
8 * Set (PCCTS) -- PCCTS is in the public domain. An individual or
9 * company may do whatever they wish with source code distributed with
10 * PCCTS or the code generated by PCCTS, including the incorporation of
11 * PCCTS, or its output, into commerical software.
13 * We encourage users to develop software with PCCTS. However, we do ask
14 * that credit is given to us for developing PCCTS. By "credit",
15 * we mean that if you incorporate our source code into one of your
16 * programs (commercial product, research project, or otherwise) that you
17 * acknowledge this fact somewhere in the documentation, research report,
18 * etc... If you like PCCTS and have developed a nice tool with the
19 * output, please mention that you developed it using PCCTS. In
20 * addition, we ask that this header remain intact in our source code.
21 * As long as these guidelines are kept, we expect to continue enhancing
22 * this system and expect to make other tools available as they are
26 * Written by Russell Quong June 30, 1995
27 * Adapted by Terence Parr to ANTLR stuff
28 * Parr Research Corporation
29 * with Purdue University and AHPCRC, University of Minnesota
35 void ANTLRTokenPtr::ref() const
44 void ANTLRTokenPtr::deref()
49 if ( ptr_->nref()==0 )
57 ANTLRTokenPtr::~ANTLRTokenPtr()
62 void ANTLRTokenPtr::operator = (const ANTLRTokenPtr lhs)
64 lhs.ref(); // protect against "xp = xp"; ie same underlying object
69 void ANTLRTokenPtr::operator = (ANTLRAbstractToken *addr)