ack/lang/cem/cemcom/macro.str

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1986-03-10 13:07:55 +00:00
/* $Header$ */
/* PREPROCESSOR: DEFINITION OF MACRO DESCRIPTOR */
#include "nopp.h"
#ifndef NOPP
/* The flags of the mc_flag field of the macro structure. Note that
these flags can be set simultaneously.
*/
#define NOFLAG 0 /* no special flags */
#define FUNC 01 /* function attached */
#define PREDEF 02 /* predefined macro */
#define FORMALP 0200 /* mask for creating macro formal parameter */
/* The macro descriptor is very simple, except the fact that the
mc_text, which points to the replacement text, contains the
non-ascii characters \201, \202, etc, indicating the position of a
formal parameter in this text.
*/
struct macro {
struct macro *next;
char * mc_text; /* the replacement text */
int mc_nps; /* number of formal parameters */
int mc_length; /* length of replacement text */
char mc_flag; /* marking this macro */
};
/* ALLOCDEF "macro" */
/* `token' numbers of keywords of command-line processor
*/
#define K_UNKNOWN 0
#define K_DEFINE 1
#define K_ELIF 2
#define K_ELSE 3
#define K_ENDIF 4
#define K_IF 5
#define K_IFDEF 6
#define K_IFNDEF 7
#define K_INCLUDE 8
#define K_LINE 9
#define K_UNDEF 10
#endif NOPP