5 * We reserve no LEGAL rights to the Purdue Compiler Construction Tool
6 * Set (PCCTS) -- PCCTS is in the public domain. An individual or
7 * company may do whatever they wish with source code distributed with
8 * PCCTS or the code generated by PCCTS, including the incorporation of
9 * PCCTS, or its output, into commerical software.
11 * We encourage users to develop software with PCCTS. However, we do ask
12 * that credit is given to us for developing PCCTS. By "credit",
13 * we mean that if you incorporate our source code into one of your
14 * programs (commercial product, research project, or otherwise) that you
15 * acknowledge this fact somewhere in the documentation, research report,
16 * etc... If you like PCCTS and have developed a nice tool with the
17 * output, please mention that you developed it using PCCTS. In
18 * addition, we ask that this header remain intact in our source code.
19 * As long as these guidelines are kept, we expect to continue enhancing
20 * this system and expect to make other tools available as they are
25 * Parr Research Corporation
26 * with Purdue University and AHPCRC, University of Minnesota
30 #ifndef ATOKENSTREAM_H_GATE
31 #define ATOKENSTREAM_H_GATE
35 /* This is really a behavior or protocol; it merely indicates the behavior
36 * required of the input and output of an ANTLRTokenBuffer. You could
37 * subclass it, but you can also just pass any old pointer to ANTLRTokenBuffer
38 * with a type cast (in which case, your getANTLRToken() would have to
39 * explicitly cast the input pointer to your REAL type (typically your lexer)).
42 class ANTLRParser
; // MR1
44 class DllExportPCCTS ANTLRTokenStream
{
46 virtual _ANTLRTokenPtr
getToken() = 0;
47 virtual ANTLRParser
* setParser(ANTLRParser
* /*p MR23*/) {return 0; }; // MR12
48 virtual ANTLRParser
* getParser() { return 0; }; // MR12