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Annotation of researchv10no/cmd/cfront/optcfront/tqueue.h, revision 1.1.1.1

1.1       root        1: /*ident        "@(#)ctrans:src/tqueue.h        1.3" */
                      2: /**************************************************************************
                      3: 
                      4:         C++ source for cfront, the C++ compiler front-end
                      5:         written in the computer science research center of Bell Labs
                      6: 
                      7:         Copyright (c) 1984 AT&T, Inc. All Rights Reserved
                      8:         THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T, INC.
                      9: 
                     10: tqueue.h:
                     11: 
                     12: *****************************************************************************/
                     13: 
                     14: #ifndef EOF
                     15: #include <stdio.h>
                     16: #endif
                     17: 
                     18: struct toknode {
                     19:        TOK      tok;                   /* token for parser */
                     20:        bit      used;                  /* token has been processed by lalex() */
                     21:        YYSTYPE  retval;                        /* $arg */
                     22:        loc      place;
                     23:        toknode* next;
                     24:        toknode* last;
                     25:        static toknode* free_toks;
                     26:        void*   operator new(size_t);
                     27:        void    operator delete(void*,size_t);
                     28:                toknode(TOK,YYSTYPE,loc);
                     29: };
                     30: extern toknode* front;
                     31: extern toknode* rear;
                     32: 
                     33: extern void addtok(TOK,YYSTYPE,loc);   /* add tok to rear of Q */
                     34: extern TOK deltok(int);                        /* take tok from front of Q */
                     35: extern TOK tlex();
                     36: 
                     37: // interface to parser
                     38: extern TOK lalex();
                     39: extern int yychar;
                     40: extern YYSTYPE yylval;
                     41: extern TOK     la_look();
                     42: extern void    la_backup( TOK, YYSTYPE );
                     43: extern int     la_cast();
                     44: extern void    check_decl();
                     45: extern void    check_cast();
                     46: extern TOK     lalex();
                     47: 
                     48: // save / restore implicit inline functions
                     49: extern toknode*        save_text();
                     50: extern void    restore_text();

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