Minix: src/commands/make/h.h Source File

00001 /*************************************************************************
00002  *
00003  *  m a k e :   h . h
00004  *
00005  *  include file for make
00006  *========================================================================
00007  * Edition history
00008  *
00009  *  #    Date                         Comments                       By
00010  * --- -------- ---------------------------------------------------- ---
00011  *   1    ??                                                         ??
00012  *   2 23.08.89 LZ increased,N_EXISTS added,suffix as macro added    RAL
00013  *   3 30.08.89 macro flags added, indention changed                 PSH,RAL
00014  *   4 03.09.89 fixed LZ eliminated, struct str added,...            RAL
00015  *   5 06.09.89 TABCHAR,M_MAKE added                                 RAL
00016  *   6 09.09.89 tos support added, EXTERN,INIT,PARMS added           PHH,RAL
00017  *   7 17.09.89 __STDC__ added, make1 decl. fixed , N_EXEC added     RAL
00018  * ------------ Version 2.0 released ------------------------------- RAL
00019  *
00020  *************************************************************************/
00021 
00022 #ifdef unix
00023 #include <sys/types.h>
00024 #include <sys/stat.h>
00025 #include <errno.h>
00026 #include <stdlib.h>
00027 #include <string.h>
00028 #include <time.h>
00029 #include <utime.h>
00030 #include <stdio.h>
00031 #include <limits.h>
00032 #endif
00033 
00034 #ifdef eon
00035 #include <sys/stat.h>
00036 #include <sys/err.h>
00037 #endif
00038 
00039 #ifdef os9
00040 #include <time.h>
00041 #include <os9.h>
00042 #include <modes.h>
00043 #include <direct.h>
00044 #include <errno.h>
00045 #endif
00046 
00047 #ifdef tos
00048 struct DOSTIME {short time,date; };     /* time structure of TOS */
00049 
00050 #ifdef LATTICE
00051 #include <error.h>
00052 #include <sys/types.h>
00053 #include <sys/stat.h>
00054 #include <osbind.h>
00055 #endif /* LATTICE */
00056 
00057 #ifdef TURBO
00058 #include <tos.h>
00059 #include <errno.h>
00060 #include <string.h>
00061 #endif /* TURBO */
00062 
00063 #endif /* tos */
00064 
00065 #include <ctype.h>
00066 #include <stdio.h>
00067 #include <assert.h>
00068 
00069 #ifdef eon
00070 #define MNOENT ER_NOTF
00071 #else
00072 #define MNOENT ENOENT
00073 #endif
00074 
00075 #ifndef uchar
00076 #ifdef os9
00077 #define uchar  char
00078 #define void   int
00079 #define fputc  putc
00080 #else
00081 #define uchar  unsigned char
00082 #endif
00083 #endif
00084 
00085 #define bool   uchar
00086 #ifndef time_t
00087 #define time_t long
00088 #endif
00089 #define TRUE   (1)
00090 #define FALSE  (0)
00091 #define max(a,b) ((a)>(b)?(a):(b))
00092 
00093 #ifdef unix
00094 #define DEFN1   "makefile"
00095 #define DEFN2   "Makefile"
00096 #endif
00097 #ifdef eon
00098 #define DEFN1   "makefile"
00099 #define DEFN2   "Makefile"
00100 #endif
00101 #ifdef tos
00102 #define DEFN1   "makefile."
00103 #define DEFN2   (char *)0
00104 #endif
00105 #ifdef os9
00106 #define DEFN1   "makefile"
00107 #define DEFN2   (char *)0
00108 #endif
00109 
00110 
00111 #ifdef os9
00112 #define TABCHAR ' '
00113 #else
00114 #define TABCHAR '\t'
00115 #endif
00116 
00117 #define LZ1     (2048)          /*  Initial input/expand string size  */
00118 #define LZ2     (256)           /*  Initial input/expand string size  */
00119 
00120 
00121 
00122 /*
00123  *      A name.  This represents a file, either to be made, or existant
00124  */
00125 
00126 struct name
00127 {
00128   struct name  *n_next;         /* Next in the list of names */
00129   char         *n_name;         /* Called */
00130   struct line  *n_line;         /* Dependencies */
00131   time_t        n_time;         /* Modify time of this name */
00132   uchar         n_flag;         /* Info about the name */
00133 };
00134 
00135 #define N_MARK    0x01                  /* For cycle check */
00136 #define N_DONE    0x02                  /* Name looked at */
00137 #define N_TARG    0x04                  /* Name is a target */
00138 #define N_PREC    0x08                  /* Target is precious */
00139 #define N_DOUBLE  0x10                  /* Double colon target */
00140 #define N_EXISTS  0x20                  /* File exists */
00141 #define N_ERROR   0x40                  /* Error occured */
00142 #define N_EXEC    0x80                  /* Commands executed */
00143 
00144 /*
00145  *      Definition of a target line.
00146  */
00147 struct  line
00148 {
00149   struct line    *l_next;               /* Next line (for ::) */
00150   struct depend  *l_dep;                /* Dependents for this line */
00151   struct cmd     *l_cmd;                /* Commands for this line */
00152 };
00153 
00154 
00155 /*
00156  *      List of dependents for a line
00157  */
00158 struct  depend
00159 {
00160   struct depend  *d_next;               /* Next dependent */
00161   struct name    *d_name;               /* Name of dependent */
00162 };
00163 
00164 
00165 /*
00166  *      Commands for a line
00167  */
00168 struct  cmd
00169 {
00170   struct cmd  *c_next;          /* Next command line */
00171   char        *c_cmd;           /* Command line */
00172 };
00173 
00174 
00175 /*
00176  *      Macro storage
00177  */
00178 struct  macro
00179 {
00180   struct macro *m_next; /* Next variable */
00181   char *m_name;         /* Called ... */
00182   char *m_val;          /* Its value */
00183   uchar m_flag;         /* Infinite loop check */
00184 };
00185 
00186 
00187 #define M_MARK          0x01    /* for infinite loop check */
00188 #define M_OVERRIDE      0x02    /* command-line override */
00189 #define M_MAKE          0x04    /* for MAKE macro */
00190 
00191 /*
00192  *      String
00193  */
00194 struct  str
00195 {
00196   char **ptr;           /* ptr to real ptr. to string */
00197   int    len;           /* length of string */
00198   int    pos;           /* position */
00199 };
00200 
00201 
00202 /* Declaration, definition & initialization of variables */
00203 
00204 #ifndef EXTERN
00205 #define EXTERN extern
00206 #endif
00207 
00208 #ifndef INIT
00209 #define INIT(x)
00210 #endif
00211 
00212 extern int    errno;
00213 extern char **environ;
00214 
00215 EXTERN char *myname;
00216 EXTERN bool  domake   INIT(TRUE);  /*  Go through the motions option  */
00217 EXTERN bool  ignore   INIT(FALSE); /*  Ignore exit status option      */
00218 EXTERN bool  conterr  INIT(FALSE); /*  continue on errors  */
00219 EXTERN bool  silent   INIT(FALSE); /*  Silent option  */
00220 EXTERN bool  print    INIT(FALSE); /*  Print debuging information  */
00221 EXTERN bool  rules    INIT(TRUE);  /*  Use inbuilt rules  */
00222 EXTERN bool  dotouch  INIT(FALSE); /*  Touch files instead of making  */
00223 EXTERN bool  quest    INIT(FALSE); /*  Question up-to-dateness of file  */
00224 EXTERN bool  useenv   INIT(FALSE); /*  Env. macro def. overwrite makefile def.*/
00225 EXTERN bool  dbginfo  INIT(FALSE); /*  Print lot of debugging information */
00226 EXTERN bool  ambigmac INIT(TRUE);  /*  guess undef. ambiguous macros (*,<) */
00227 EXTERN struct name  *firstname;
00228 EXTERN char         *str1;
00229 EXTERN char         *str2;
00230 EXTERN struct str    str1s;
00231 EXTERN struct str    str2s;
00232 EXTERN struct name **suffparray; /* ptr. to array of ptrs. to name chains */
00233 EXTERN int           sizesuffarray INIT(20); /* size of suffarray */
00234 EXTERN int           maxsuffarray INIT(0);   /* last used entry in suffarray */
00235 EXTERN struct macro *macrohead;
00236 EXTERN bool          expmake; /* TRUE if $(MAKE) has been expanded */
00237 EXTERN char         *makefile;     /*  The make file  */
00238 EXTERN int           lineno;
00239 
00240 #ifdef tos
00241 #ifdef LATTICE
00242 EXTERN int _mneed INIT(60000);    /* VERY important for TOS with LATTICE C*/
00243 #endif /* LATTICE */
00244 #endif /* tos */
00245 #ifdef eon
00246 #define MEMSPACE  (16384)
00247 EXTERN unsigned  memspace = MEMSPACE;
00248 #endif
00249 
00250 #define  suffix(name)   strrchr(name,(int)'.')
00251 
00252 EXTERN int _ctypech;
00253 #define mylower(x)  (islower(_ctypech=(x)) ? _ctypech :tolower(_ctypech))
00254 #define myupper(x)  (isupper(_ctypech=(x)) ? _ctypech :toupper(_ctypech))
00255 
00256 /* Prototypes. */
00257 struct sgtbuf;
00258 
00259 /* check.c */
00260 _PROTOTYPE(void prt, (void));
00261 _PROTOTYPE(void check, (struct name *np ));
00262 _PROTOTYPE(void circh, (void));
00263 _PROTOTYPE(void precious, (void));
00264 
00265 /* input.c */
00266 _PROTOTYPE(void init, (void));
00267 _PROTOTYPE(void strrealloc, (struct str *strs ));
00268 _PROTOTYPE(struct name *newname, (char *name ));
00269 _PROTOTYPE(struct name *testname, (char *name ));
00270 _PROTOTYPE(struct depend *newdep, (struct name *np, struct depend *dp ));
00271 _PROTOTYPE(struct cmd *newcmd, (char *str, struct cmd *cp ));
00272 _PROTOTYPE(void newline, (struct name *np, struct depend *dp, struct cmd *cp, 
00273                                                                    int flag ));
00274 _PROTOTYPE(void input, (FILE *fd ));
00275 
00276 /* macro.c */
00277 _PROTOTYPE(struct macro *getmp, (char *name ));
00278 _PROTOTYPE(char *getmacro, (char *name ));
00279 _PROTOTYPE(struct macro *setmacro, (char *name, char *val ));
00280 _PROTOTYPE(struct macro *addmacro, (char *name, char *val ));
00281 _PROTOTYPE(void setDFmacro, (char *name, char *val ));
00282 _PROTOTYPE(void doexp, (struct str *to, char *from ));
00283 _PROTOTYPE(void expand, (struct str *strs ));
00284 
00285 /* main.c */
00286 _PROTOTYPE(void main, (int argc, char **argv ));
00287 _PROTOTYPE(void setoption, (char option ));
00288 _PROTOTYPE(void usage, (void));
00289 _PROTOTYPE(void fatal, (char *msg, char *a1, int a2 ));
00290 
00291 /* make.c */
00292 _PROTOTYPE(int dosh, (char *string, char *shell ));
00293 _PROTOTYPE(int makeold, (char *name ));
00294 _PROTOTYPE(void docmds1, (struct name *np, struct line *lp ));
00295 _PROTOTYPE(void docmds, (struct name *np ));
00296 _PROTOTYPE(int Tosexec, (char *string ));
00297 _PROTOTYPE(time_t mstonix, (unsigned int date, unsigned int time ));
00298 _PROTOTYPE(void getmdate, (int fd, struct sgtbuf *tbp ));
00299 _PROTOTYPE(time_t cnvtime, (struct sgtbuf *tbp ));
00300 _PROTOTYPE(void modtime, (struct name *np ));
00301 _PROTOTYPE(void touch, (struct name *np ));
00302 _PROTOTYPE(int make, (struct name *np, int level ));
00303 _PROTOTYPE(void make1, (struct name *np, struct line *lp, struct depend *qdp, 
00304                                         char *basename, char *inputname ));
00305 _PROTOTYPE(void implmacros, (struct name *np, struct line *lp, 
00306                                         char **pbasename, char **pinputname ));
00307 _PROTOTYPE(void dbgprint, (int level, struct name *np, char *comment ));
00308 
00309 /* reader.c */
00310 _PROTOTYPE(void error, (char *msg, char *a1 ));
00311 _PROTOTYPE(bool getline, (struct str *strs, FILE *fd ));
00312 _PROTOTYPE(char *gettok, (char **ptr ));
00313 
00314 /* rules.c */
00315 _PROTOTYPE(bool dyndep, (struct name *np, char **pbasename,char **pinputname));
00316 _PROTOTYPE(void makerules, (void));
00317 
00318 /* archive.c */
00319 _PROTOTYPE(int is_archive_ref, (char *name));
00320 _PROTOTYPE(int archive_stat, (char *name, struct stat *stp));