/* * (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 01 /* function attached */ #define NOREPLACE 02 /* don't replace */ #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 */ int mc_count; /* # of "concurrent" invocations*/ char mc_flag; /* marking this macro */ }; /* ALLOCDEF "macro" 20 */ struct mlist { struct mlist *next; struct macro *m_mac; char *m_repl; int m_level; }; /* ALLOCDEF "mlist" 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_IF 5 #define K_IFDEF 6 #define K_IFNDEF 7 #define K_INCLUDE 8 #define K_LINE 9 #define K_UNDEF 10 #define K_PRAGMA 11 #define K_FILE 100 /* for dependency generator */ #endif /* NOPP */