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https://github.com/CloverHackyColor/CloverBootloader.git
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89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
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/* ATokPtr.h
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*
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* SOFTWARE RIGHTS
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*
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* We reserve no LEGAL rights to the Purdue Compiler Construction Tool
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* Set (PCCTS) -- PCCTS is in the public domain. An individual or
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* company may do whatever they wish with source code distributed with
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* PCCTS or the code generated by PCCTS, including the incorporation of
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* PCCTS, or its output, into commerical software.
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*
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* We encourage users to develop software with PCCTS. However, we do ask
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* that credit is given to us for developing PCCTS. By "credit",
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* we mean that if you incorporate our source code into one of your
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* programs (commercial product, research project, or otherwise) that you
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* acknowledge this fact somewhere in the documentation, research report,
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* etc... If you like PCCTS and have developed a nice tool with the
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* output, please mention that you developed it using PCCTS. In
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* addition, we ask that this header remain intact in our source code.
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* As long as these guidelines are kept, we expect to continue enhancing
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* this system and expect to make other tools available as they are
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* completed.
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*
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* ANTLR 1.33
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* Written by Russell Quong June 30, 1995
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* Adapted by Terence Parr to ANTLR stuff
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* Parr Research Corporation
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* with Purdue University and AHPCRC, University of Minnesota
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* 1989-2000
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*/
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#ifndef ATokPtr_h
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#define ATokPtr_h
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#include "pcctscfg.h"
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#include "pccts_stdio.h"
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PCCTS_NAMESPACE_STD
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// pointer to a reference counted object
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// robust in that an unused ANTLRTokenPtr can point to NULL.
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class ANTLRAbstractToken;
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class DllExportPCCTS ANTLRTokenPtr {
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public:
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ANTLRTokenPtr(ANTLRAbstractToken *addr=NULL){ptr_ = addr; ref();}
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ANTLRTokenPtr(const ANTLRTokenPtr &lhs) {ptr_ = lhs.ptr_; lhs.ref();}
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~ANTLRTokenPtr();
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// use ANTLRTokenPtr as a pointer to ANTLRToken
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//
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// 8-Apr-97 MR1 Make operator -> a const member function
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// as well as some other member functions
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//
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ANTLRAbstractToken *operator-> () const { return ptr_; } // MR1
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//
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// 7-Apr-97 133MR1
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// Fix suggested by Andreas Magnusson
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// (Andreas.Magnusson@mailbox.swipnet.se)
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ANTLRTokenPtr& operator = (const ANTLRTokenPtr & lhs); // MR1
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ANTLRTokenPtr& operator = (ANTLRAbstractToken *addr);
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int operator != (const ANTLRTokenPtr &q) const // MR1 // MR11 unsigned -> int
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{ return this->ptr_ != q.ptr_; }
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int operator == (const ANTLRTokenPtr &q) const // MR1 // MR11 unsigned -> int
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{ return this->ptr_ == q.ptr_; }
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int operator == (const ANTLRAbstractToken *addr) const // MR11
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{ return this->ptr_ == addr; }
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int operator != (const ANTLRAbstractToken *addr) const // MR11
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{ return this->ptr_ != addr; }
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void ref() const;
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void deref();
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protected:
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ANTLRAbstractToken *ptr_;
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};
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//typedef ANTLRTokenPtr _ANTLRTokenPtr;
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/*
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* Since you cannot redefine operator->() to return one of the user's
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* token object types, we must down cast. This is a drag. Here's
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* a macro that helps. template: "mytoken(a-smart-ptr)->myfield".
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*/
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#define mytoken(tk) ((ANTLRToken *)(tk.operator->()))
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#endif
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