/* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* $Id$ */ /* 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 0x1 /* function attached */ #define NOUNDEF 0x2 /* reserved macro */ #define NOREPLACE 0x4 /* prevent recursion */ #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" 20 */ /* `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_ERROR 5 #define K_IF 6 #define K_IFDEF 7 #define K_IFNDEF 8 #define K_INCLUDE 9 #define K_LINE 10 #define K_PRAGMA 11 #define K_UNDEF 12 #define K_WARNING 13 #define K_FILE 100 /* for dependency generator */ #endif /* NOPP */