/* Special macro based debugging package */ /* Fred Fish, 14-Mar-86 */ #ifdef DBUG # include #else # define DBUG_ENTER(a1) # define DBUG_RETURN(a1) return(a1) # define DBUG_VOID_RETURN return # define DBUG_EXECUTE(keyword,a1) # define DBUG_2(keyword,format) # define DBUG_3(keyword,format,a1) # define DBUG_4(keyword,format,a1,a2) # define DBUG_5(keyword,format,a1,a2,a3) # define DBUG_PUSH(a1) # define DBUG_POP() # define DBUG_PROCESS(a1) # define DBUG_FILE (stderr) # define DBUG_SETJMP setjmp # define DBUG_LONGJMP longjmp #endif #ifdef EMACS /* Use the Emacs config file to find out what type of machine */ #define NO_SHORTNAMES #include "../src/config.h" /* Convert Emacs's conventions for BIG_ENDIAN to cpp's convention. */ #ifdef BIG_ENDIAN #undef BIG_ENDIAN #define BIG_ENDIAN TRUE #else /* not BIG_ENDIAN */ #define BIG_ENDIAN FALSE #endif /* BIG_ENDIAN */ /* Emacs uses the names index and rindex and defines them as str(r)chr if nec; cpp uses the opposite convention. Here we flush the macro definitions for Emacs and add the ones cpp wants. */ #ifdef index #undef index #undef rindex #else /* index is not defined as a macro */ #define strchr index #define strrchr rindex #endif /* index is not defined as a macro */ #define NBUFF 2048 #define NWORK 2048 #endif /* EMACS */ /* * S y s t e m D e p e n d e n t * D e f i n i t i o n s f o r C P P * * Definitions in this file may be edited to configure CPP for particular * host operating systems and target configurations. * * NOTE: cpp assumes it is compiled by a compiler that supports macros * with arguments. If this is not the case (as for Decus C), #define * nomacarg -- and provide function equivalents for all macros. * * cpp also assumes the host and target implement the Ascii character set. * If this is not the case, you will have to do some editing here and there. */ /* * This redundant definition of TRUE and FALSE works around * a limitation of Decus C. */ #ifndef TRUE #define TRUE 1 #define FALSE 0 #endif /* * Define the HOST operating system. This is needed so that * cpp can use appropriate filename conventions. */ #define SYS_UNKNOWN 0 #define SYS_UNIX 1 #define SYS_VMS 2 #define SYS_RSX 3 #define SYS_RT11 4 #define SYS_LATTICE 5 #define SYS_ONYX 6 #define SYS_68000 7 #define SYS_AMIGADOS 8 #ifndef HOST #ifdef unix #define HOST SYS_UNIX #else #ifdef vms #define HOST SYS_VMS #else #ifdef rsx #define HOST SYS_RSX #else #ifdef rt11 #define HOST SYS_RT11 #else #ifdef amiga #define HOST SYS_AMIGADOS #endif #endif #endif #endif #endif #endif #ifndef HOST #define HOST SYS_UNKNOWN #endif /* * We assume that the target is the same as the host system */ #ifndef TARGET #define TARGET HOST #endif /* * In order to predefine machine-dependent constants, * several strings are defined here: * * MACHINE defines the target cpu (by name) * SYSTEM defines the target operating system * COMPILER defines the target compiler * * The above may be #defined as "" if they are not wanted. * They should not be #defined as NULL. * * LINE_PREFIX defines the # output line prefix, if not "line" * This should be defined as "" if cpp is to replace * the "standard" C pre-processor. * * FILE_LOCAL marks functions which are referenced only in the * file they reside. Some C compilers allow these * to be marked "static" even though they are referenced * by "extern" statements elsewhere. * * OK_DOLLAR Should be set TRUE if $ is a valid alphabetic character * in identifiers (default), or zero if $ is invalid. * Default is TRUE. * * OK_CONCAT Should be set TRUE if # may be used to concatenate * tokens in macros (per the Ansi Draft Standard) or * FALSE for old-style # processing (needed if cpp is * to process assembler source code). * * OK_DATE Predefines the compilation date if set TRUE. * Not permitted by the Nov. 12, 1984 Draft Standard. * * S_CHAR etc. Define the sizeof the basic TARGET machine word types. * By default, sizes are set to the values for the HOST * computer. If this is inappropriate, see the code in * cpp3.c for details on what to change. Also, if you * have a machine where sizeof (signed int) differs from * sizeof (unsigned int), you will have to edit code and * tables in cpp3.c (and extend the -S option definition.) * * CPP_LIBRARY May be defined if you have a site-specific include directory * which is to be searched *before* the operating-system * specific directories. */ #if TARGET == SYS_LATTICE /* * We assume the operating system is pcdos for the IBM-PC. * We also assume the small model (just like the PDP-11) */ #define MACHINE "i8086" #define SYSTEM "pcdos" #endif #if TARGET == SYS_ONYX #define MACHINE "z8000" #define SYSTEM "unix" #endif #if TARGET == SYS_VMS #define MACHINE "vax" #define SYSTEM "vms" #define COMPILER "vax11c" #endif #if TARGET == SYS_RSX #define MACHINE "pdp11" #define SYSTEM "rsx" #define COMPILER "decus" #endif #if TARGET == SYS_RT11 #define MACHINE "pdp11" #define SYSTEM "rt11" #define COMPILER "decus" #endif #if TARGET == SYS_AMIGADOS #define MACHINE "amiga" #define SYSTEM "amigados" #ifdef manx #define COMPILER "manx" #endif #ifdef lattice #define COMPILER "lattice" #endif #endif #if TARGET == SYS_68000 /* * All three machine designators have been seen in various systems. * Warning -- compilers differ as to sizeof (int). cpp3 assumes that * sizeof (int) == 2 */ #define MACHINE "M68000", "m68000", "m68k" #define SYSTEM "unix" #endif #if TARGET == SYS_UNIX #define SYSTEM "unix" #ifdef pdp11 #define MACHINE "pdp11" #endif #ifdef vax #define MACHINE "vax" #endif #endif /* * defaults */ #ifndef MSG_PREFIX #define MSG_PREFIX "cpp: " #endif #ifndef LINE_PREFIX #ifdef decus #define LINE_PREFIX "" #else #define LINE_PREFIX "line" #endif #endif /* * OLD_PREPROCESSOR forces the definition of OK_DOLLAR, OK_CONCAT, * COMMENT_INVISIBLE, and STRING_FORMAL to values appropriate for * an old-style preprocessor. */ #if OLD_PREPROCESSOR #define OK_DOLLAR FALSE #define OK_CONCAT FALSE #define COMMENT_INVISIBLE TRUE #define STRING_FORMAL TRUE #endif /* * RECURSION_LIMIT may be set to -1 to disable the macro recursion test. */ #ifndef RECURSION_LIMIT #define RECURSION_LIMIT 1000 #endif /* * BITS_CHAR may be defined to set the number of bits per character. * it is needed only for multi-byte character constants. */ #ifndef BITS_CHAR #define BITS_CHAR 8 #endif /* * BIG_ENDIAN is set TRUE on machines (such as the IBM 360 series) * where 'ab' stores 'a' in the high-bits and 'b' in the low-bits. * It is set FALSE on machines (such as the PDP-11 and Vax-11) * where 'ab' stores 'a' in the low-bits and 'b' in the high-bits. * (Or is it the other way around?) -- Warning: BIG_ENDIAN code is untested. */ #ifndef BIG_ENDIAN #define BIG_ENDIAN FALSE #endif /* * COMMENT_INVISIBLE may be defined to allow "old-style" comment * processing, whereby the comment becomes a zero-length token * delimiter. This permitted tokens to be concatenated in macro * expansions. This was removed from the Draft Ansi Standard. */ #ifndef COMMENT_INVISIBLE #define COMMENT_INVISIBLE FALSE #endif /* * STRING_FORMAL may be defined to allow recognition of macro parameters * anywhere in replacement strings. This was removed from the Draft Ansi * Standard and a limited recognition capability added. */ #ifndef STRING_FORMAL #define STRING_FORMAL FALSE #endif /* * OK_DOLLAR enables use of $ as a valid "letter" in identifiers. * This is a permitted extension to the Ansi Standard and is required * for e.g., VMS, RSX-11M, etc. It should be set FALSE if cpp is * used to preprocess assembler source on Unix systems. OLD_PREPROCESSOR * sets OK_DOLLAR FALSE for that reason. */ #ifndef OK_DOLLAR #define OK_DOLLAR TRUE #endif /* * OK_CONCAT enables (one possible implementation of) token concatenation. * If cpp is used to preprocess Unix assembler source, this should be * set FALSE as the concatenation character, #, is used by the assembler. */ #ifndef OK_CONCAT #define OK_CONCAT TRUE #endif /* * OK_DATE may be enabled to predefine today's date as a string * at the start of each compilation. This is apparently not permitted * by the Draft Ansi Standard. */ #ifndef OK_DATE #define OK_DATE TRUE #endif /* * Some common definitions. */ #ifndef DEBUG #define DEBUG FALSE #endif /* * The following definitions are used to allocate memory for * work buffers. In general, they should not be modified * by implementors. * * PAR_MAC The maximum number of #define parameters (31 per Standard) * Note: we need another one for strings. * NBUFF Input buffer size * NWORK Work buffer size -- the longest macro * must fit here after expansion. * NEXP The nesting depth of #if expressions * NINCLUDE The number of directories that may be specified * on a per-system basis, or by the -I option. * BLK_NEST The number of nested #if's permitted. */ #ifndef PAR_MAC #define PAR_MAC (31 + 1) #endif #ifndef NBUFF #define NBUFF 512 #endif #ifndef NWORK #define NWORK 512 #endif #ifndef NEXP #define NEXP 128 #endif #ifndef NINCLUDE #define NINCLUDE 7 #endif #ifndef NPARMWORK #define NPARMWORK (NWORK * 2) #endif #ifndef BLK_NEST #define BLK_NEST 32 #endif /* * Some special constants. These may need to be changed if cpp * is ported to a wierd machine. * * NOTE: if cpp is run on a non-ascii machine, ALERT and VT may * need to be changed. They are used to implement the proposed * ANSI standard C control characters '\a' and '\v' only. * DEL is used to tag macro tokens to prevent #define foo foo * from looping. Note that we don't try to prevent more elaborate * #define loops from occurring. */ #ifndef ALERT #define ALERT '\007' /* '\a' is "Bell" */ #endif #ifndef VT #define VT '\013' /* Vertical Tab CTRL/K */ #endif #ifndef FILE_LOCAL #ifdef decus #define FILE_LOCAL static #else #ifdef vax11c #define FILE_LOCAL static #else #define FILE_LOCAL /* Others are global */ #endif #endif #endif