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Annotation of coherent/b/STREAMS/conf_79/mkinput.h, revision 1.1.1.1

1.1       root        1: #ifndef        MKINPUT_H
                      2: #define        MKINPUT_H
                      3: 
                      4: /*
                      5:  *-IMPORTS:
                      6:  *     <sys/compat.h>
                      7:  *             EXTERN_C_BEGIN
                      8:  *             EXTERN_C_END
                      9:  *             CONST
                     10:  *             VOID
                     11:  *             PROTO ()
                     12:  *     <stdio.h>
                     13:  *             FILE
                     14:  */
                     15: 
                     16: #include <sys/compat.h>
                     17: #include <stdio.h>
                     18: 
                     19: 
                     20: /*
                     21:  * Structure of an input source.
                     22:  */
                     23: 
                     24: #ifndef        INPUT_T
                     25: #define        INPUT_T
                     26: typedef struct input   input_t;
                     27: #endif
                     28: 
                     29: /*
                     30:  * Pass this rather than a character to make_file_input () if you don't want
                     31:  * support for commentary in input text. Comments in file input simply throw
                     32:  * away all text from the comment character (which may appear anywhere) to the
                     33:  * end of the line. It's just a hack, but handy nonetheless, since sometimes
                     34:  * adding comment facilities to an ad-hoc input grammar properly would just
                     35:  * be over the top... now, I *really* want an LL(1) parser generator, but
                     36:  * without one I'd rather hand-code than use YACC, which bites when you have
                     37:  * a lot of little grammars.
                     38:  */
                     39: 
                     40: enum {
                     41:        NO_COMMENT      = -1
                     42: };
                     43: 
                     44: 
                     45: EXTERN_C_BEGIN
                     46: 
                     47: input_t              * make_file_input PROTO ((FILE * _file, CONST char * _name,
                     48:                                        int _comment));
                     49: input_t              * make_string_input PROTO ((CONST unsigned char * _str,
                     50:                                          int _copy));
                     51: 
                     52: EXTERN_C_END
                     53: 
                     54: #endif /* ! defined (MKINPUT_H) */

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