d844c2a391
"make linty" does lots of error checking while compiling. Simplified the standard make's CFLAGS. Cleaned up code to eliminate resulting warnings generated by "make linty".
591 lines
17 KiB
C
591 lines
17 KiB
C
/*
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* The dungeon compiler. Turns adventure.text into a set of C initializers
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* defining (mostly) invariant state. A couple of slots are messed with
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* at runtime.
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*/
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#include "common.h"
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#define LINESIZE 100
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#define RTXSIZ 277
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#define CLSMAX 12
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#define LINSIZ 12600
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#define TRNSIZ 5
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#define TABSIZ 330
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#define VRBSIZ 35
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#define TRVSIZ 885
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#define TOKLEN 5
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#define HINTLEN 5
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <unistd.h>
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// Global variables for use in functions below that can gradually disappear as code is cleaned up
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static long LNLENG;
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static long LNPOSN;
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static char INLINE[LINESIZE+1];
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static long OLDLOC;
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// Storage for what comes out of the database
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long LINUSE;
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long TRVS;
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long CLSSES;
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long TRNVLS;
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long TABNDX;
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long HNTMAX;
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long PTEXT[NOBJECTS+1];
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long RTEXT[RTXSIZ + 1];
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long CTEXT[CLSMAX + 1];
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long OBJSND[NOBJECTS+1];
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long OBJTXT[NOBJECTS+1];
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long STEXT[LOCSIZ + 1];
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long LTEXT[LOCSIZ + 1];
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long COND[LOCSIZ + 1];
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long KEY[LOCSIZ + 1];
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long LOCSND[LOCSIZ + 1];
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long LINES[LINSIZ + 1];
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long CVAL[CLSMAX + 1];
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long TTEXT[TRNSIZ + 1];
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long TRNVAL[TRNSIZ + 1];
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long TRAVEL[TRVSIZ + 1];
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long KTAB[TABSIZ + 1];
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long ATAB[TABSIZ + 1];
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long PLAC[NOBJECTS+1];
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long FIXD[NOBJECTS+1];
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long ACTSPK[VRBSIZ + 1];
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long HINTS[HNTSIZ + 1][HINTLEN];
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static bool is_set(long var, long position)
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{
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long mask = 1l << position;
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bool result = (var & mask) == mask;
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return(result);
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}
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static long GETTXT(long SKIP,long ONEWRD, long UPPER)
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{
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/* Take characters from an input line and pack them into 30-bit words.
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* Skip says to skip leading blanks. ONEWRD says stop if we come to a
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* blank. UPPER says to map all letters to uppercase. If we reach the
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* end of the line, the word is filled up with blanks (which encode as 0's).
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* If we're already at end of line when GETTXT is called, we return -1. */
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long TEXT;
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static long SPLITTING = -1;
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if(LNPOSN != SPLITTING)
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SPLITTING = -1;
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TEXT= -1;
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while (true) {
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if(LNPOSN > LNLENG)
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return(TEXT);
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if((!SKIP) || INLINE[LNPOSN] != 0)
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break;
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LNPOSN=LNPOSN+1;
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}
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TEXT=0;
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for (int I=1; I<=TOKLEN; I++) {
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TEXT=TEXT*64;
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if(LNPOSN > LNLENG || (ONEWRD && INLINE[LNPOSN] == 0))
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continue;
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char current=INLINE[LNPOSN];
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if(current < 63) {
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SPLITTING = -1;
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if(UPPER && current >= 37)
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current=current-26;
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TEXT=TEXT+current;
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LNPOSN=LNPOSN+1;
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continue;
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}
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if(SPLITTING != LNPOSN) {
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TEXT=TEXT+63;
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SPLITTING = LNPOSN;
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continue;
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}
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TEXT=TEXT+current-63;
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SPLITTING = -1;
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LNPOSN=LNPOSN+1;
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}
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return(TEXT);
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}
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static void BUG(long NUM) {
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/* The following conditions are currently considered fatal bugs. Numbers < 20
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* are detected while reading the database; the others occur at "run time".
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* 0 Message line > 70 characters
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* 1 Null line in message
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* 2 Too many words of messages
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* 3 Too many travel options
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* 4 Too many vocabulary words
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* 5 Required vocabulary word not found
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* 6 Too many RTEXT messages
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* 7 Too many hints
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* 8 Location has cond bit being set twice
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* 9 Invalid section number in database
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* 10 Too many locations
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* 11 Too many class or turn messages
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* 20 Special travel (500>L>300) exceeds goto list
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* 21 Ran off end of vocabulary table
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* 22 Vocabulary type (N/1000) not between 0 and 3
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* 23 Intransitive action verb exceeds goto list
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* 24 Transitive action verb exceeds goto list
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* 25 Conditional travel entry with no alternative
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* 26 Location has no travel entries
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* 27 Hint number exceeds goto list
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* 28 Invalid month returned by date function
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* 29 Too many parameters given to SETPRM */
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fprintf(stderr, "Fatal error %ld. See source code for interpretation.\n", NUM);
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exit(EXIT_FAILURE);
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}
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static void MAPLIN(FILE *OPENED) {
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/* Read a line of input, from the specified input source,
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* translate the chars to integers in the range 0-126 and store
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* them in the common array "INLINE". Integer values are as follows:
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* 0 = space [ASCII CODE 40 octal, 32 decimal]
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* 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
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* 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
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* 11-36 = upper-case letters
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* 37-62 = lower-case letters
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* 63 = percent (%) [ASCII 45 octal, 37 decimal]
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* 64-73 = digits, 0 through 9
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* Remaining characters can be translated any way that is convenient;
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* The "TYPE" routine below is used to map them back to characters when
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* necessary. The above mappings are required so that certain special
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* characters are known to fit in 6 bits and/or can be easily spotted.
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* Array elements beyond the end of the line should be filled with 0,
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* and LNLENG should be set to the index of the last character.
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*
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* If the data file uses a character other than space (e.g., tab) to
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* separate numbers, that character should also translate to 0.
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*
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* This procedure may use the map1,map2 arrays to maintain static data for
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* the mapping. MAP2(1) is set to 0 when the program starts
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* and is not changed thereafter unless the routines on this page choose
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* to do so. */
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do {
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if (NULL == fgets(INLINE + 1, sizeof(INLINE) - 1, OPENED)) {
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printf("Failed fgets()\n");
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}
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}
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while (!feof(OPENED) && INLINE[1] == '#');
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LNLENG = 0;
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for (size_t i = 1; i < sizeof(INLINE) && INLINE[i] != 0; ++i)
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{
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char val = INLINE[i];
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INLINE[i] = ascii_to_advent[(unsigned)val];
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if (INLINE[i] != 0)
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LNLENG = i;
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}
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LNPOSN = 1;
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}
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static long GETNUM(FILE *source) {
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/* Obtain the next integer from an input line. If K>0, we first read a
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* new input line from a file; if K<0, we read a line from the keyboard;
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* if K=0 we use a line that has already been read (and perhaps partially
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* scanned). If we're at the end of the line or encounter an illegal
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* character (not a digit, hyphen, or blank), we return 0. */
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long DIGIT, GETNUM, SIGN;
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if(source != NULL) MAPLIN(source);
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GETNUM = 0;
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while (INLINE[LNPOSN] == 0) {
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if (LNPOSN > LNLENG) return(GETNUM);
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++LNPOSN;
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}
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if(INLINE[LNPOSN] != 9)
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{
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SIGN=1;
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}
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else
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{
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SIGN= -1;
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LNPOSN=LNPOSN+1;
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}
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while (!(LNPOSN > LNLENG || INLINE[LNPOSN] == 0))
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{
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DIGIT=INLINE[LNPOSN]-64;
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if(DIGIT < 0 || DIGIT > 9)
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{
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GETNUM=0;
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break;
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}
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GETNUM=GETNUM*10+DIGIT;
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LNPOSN=LNPOSN+1;
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}
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GETNUM=GETNUM*SIGN;
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LNPOSN=LNPOSN+1;
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return(GETNUM);
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}
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/* Sections 1, 2, 5, 6, 10, 14. Read messages and set up pointers. */
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static void read_messages(FILE* database, long sect)
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{
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long KK=LINUSE;
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while(true)
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{
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long loc;
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LINUSE=KK;
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loc=GETNUM(database);
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if(LNLENG >= LNPOSN+70)BUG(0);
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if(loc == -1) return;
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if(LNLENG < LNPOSN)BUG(1);
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do {
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KK=KK+1;
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if(KK >= LINSIZ)BUG(2);
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LINES[KK]=GETTXT(false,false,false);
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}
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while(LINES[KK] != -1);
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LINES[LINUSE]=KK;
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if(loc == OLDLOC) continue;
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OLDLOC=loc;
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LINES[LINUSE]= -KK;
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if(sect == 14)
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{
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TRNVLS=TRNVLS+1;
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if(TRNVLS > TRNSIZ)BUG(11);
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TTEXT[TRNVLS]=LINUSE;
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TRNVAL[TRNVLS]=loc;
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continue;
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}
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if(sect == 10)
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{
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CLSSES=CLSSES+1;
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if(CLSSES > CLSMAX)BUG(11);
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CTEXT[CLSSES]=LINUSE;
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CVAL[CLSSES]=loc;
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continue;
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}
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if(sect == 6)
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{
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if(loc > RTXSIZ)BUG(6);
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RTEXT[loc]=LINUSE;
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continue;
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}
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if(sect == 5)
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{
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if(loc > 0 && loc <= NOBJECTS)PTEXT[loc]=LINUSE;
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continue;
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}
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if(loc > LOCSIZ)BUG(10);
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if(sect == 1)
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{
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LTEXT[loc]=LINUSE;
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continue;
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}
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STEXT[loc]=LINUSE;
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}
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}
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/* The stuff for section 3 is encoded here. Each "from-location" gets a
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* contiguous section of the "TRAVEL" array. Each entry in travel is
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* newloc*1000 + KEYWORD (from section 4, motion verbs), and is negated if
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* this is the last entry for this location. KEY(N) is the index in travel
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* of the first option at location N. */
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static void read_section3_stuff(FILE* database)
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{
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long loc;
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while((loc=GETNUM(database)) != -1)
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{
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long newloc=GETNUM(NULL);
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long L;
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if(KEY[loc] == 0)
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{
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KEY[loc]=TRVS;
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}
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else
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{
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TRAVEL[TRVS-1]= -TRAVEL[TRVS-1];
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}
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while((L=GETNUM(NULL)) != 0)
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{
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TRAVEL[TRVS]=newloc*1000+L;
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TRVS=TRVS+1;
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if(TRVS == TRVSIZ)BUG(3);
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}
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TRAVEL[TRVS-1]= -TRAVEL[TRVS-1];
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}
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}
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/* Here we read in the vocabulary. KTAB(N) is the word number, ATAB(N) is
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* the corresponding word. The -1 at the end of section 4 is left in KTAB
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* as an end-marker. */
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static void read_vocabulary(FILE* database)
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{
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for (TABNDX=1; TABNDX<=TABSIZ; TABNDX++)
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{
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KTAB[TABNDX]=GETNUM(database);
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if(KTAB[TABNDX] == -1) return;
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ATAB[TABNDX]=GETTXT(true,true,true);
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} /* end loop */
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BUG(4);
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}
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/* Read in the initial locations for each object. Also the immovability info.
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* plac contains initial locations of objects. FIXD is -1 for immovable
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* objects (including the snake), or = second loc for two-placed objects. */
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static void read_initial_locations(FILE* database)
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{
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long OBJ;
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while((OBJ=GETNUM(database)) != -1)
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{
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PLAC[OBJ]=GETNUM(NULL);
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FIXD[OBJ]=GETNUM(NULL);
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}
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}
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/* Read default message numbers for action verbs, store in ACTSPK. */
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static void read_action_verb_message_nr(FILE* database)
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{
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long verb;
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while((verb=GETNUM(database)) != -1)
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{
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ACTSPK[verb]=GETNUM(NULL);
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}
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}
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/* Read info about available liquids and other conditions, store in COND. */
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static void read_conditions(FILE* database)
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{
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long K;
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while((K=GETNUM(database)) != -1)
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{
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long loc;
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while((loc=GETNUM(NULL)) != 0)
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{
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if(is_set(COND[loc],K)) BUG(8);
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COND[loc]=COND[loc] + (1l << K);
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}
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}
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}
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/* Read data for hints. */
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static void read_hints(FILE* database)
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{
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long K;
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HNTMAX=0;
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while((K=GETNUM(database)) != -1)
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{
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if(K <= 0 || K > HNTSIZ)BUG(7);
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for (int I=1; I<=4; I++)
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{
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HINTS[K][I] =GETNUM(NULL);
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} /* end loop */
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HNTMAX=(HNTMAX>K ? HNTMAX : K);
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}
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}
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/* Read the sound/text info, store in OBJSND, OBJTXT, LOCSND. */
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static void read_sound_text(FILE* database)
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{
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long K;
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while((K=GETNUM(database)) != -1)
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{
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long KK=GETNUM(NULL);
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long I=GETNUM(NULL);
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if(I != 0)
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{
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OBJSND[K]=(KK>0 ? KK : 0);
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OBJTXT[K]=(I>0 ? I : 0);
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continue;
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}
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LOCSND[K]=KK;
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}
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}
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static int read_database(FILE* database) {
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/* Clear out the various text-pointer arrays. All text is stored in array
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* lines; each line is preceded by a word pointing to the next pointer (i.e.
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* the word following the end of the line). The pointer is negative if this is
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* first line of a message. The text-pointer arrays contain indices of
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* pointer-words in lines. STEXT(N) is short description of location N.
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* LTEXT(N) is long description. PTEXT(N) points to message for game.prop(N)=0.
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* Successive prop messages are found by chasing pointers. RTEXT contains
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* section 6's stuff. CTEXT(N) points to a player-class message. TTEXT is for
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* section 14. We also clear COND (see description of section 9 for details). */
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for (int I=1; I<=NOBJECTS; I++) {
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PTEXT[I] = 0;
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OBJSND[I] = 0;
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OBJTXT[I] = 0;
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}
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for (int I=1; I<=RTXSIZ; I++) {
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RTEXT[I] = 0;
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}
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for (int I=1; I<=CLSMAX; I++) {
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CTEXT[I] = 0;
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}
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for (int I=1; I<=LOCSIZ; I++) {
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STEXT[I] = 0;
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LTEXT[I] = 0;
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COND[I] = 0;
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KEY[I] = 0;
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LOCSND[I] = 0;
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}
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LINUSE = 1;
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TRVS = 1;
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CLSSES = 0;
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TRNVLS = 0;
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/* Start new data section. Sect is the section number. */
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while(true)
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{
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long sect=GETNUM(database);
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OLDLOC= -1;
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switch (sect)
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{
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case 0: return(0);
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case 1: read_messages(database, sect); break;
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case 2: read_messages(database, sect); break;
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case 3: read_section3_stuff(database); break;
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case 4: read_vocabulary(database); break;
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case 5: read_messages(database, sect); break;
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case 6: read_messages(database, sect); break;
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case 7: read_initial_locations(database); break;
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case 8: read_action_verb_message_nr(database); break;
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case 9: read_conditions(database); break;
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case 10: read_messages(database, sect); break;
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case 11: read_hints(database); break;
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case 12: break;
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case 13: read_sound_text(database); break;
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case 14: read_messages(database, sect); break;
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default: BUG(9);
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}
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}
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}
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/* Finish constructing internal data format */
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/* Having read in the database, certain things are now constructed.
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* game.propS are set to zero. We finish setting up COND by checking for
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* forced-motion travel entries. The PLAC and FIXD arrays are used
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* to set up game.atloc(N) as the first object at location N, and
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* game.link(OBJ) as the next object at the same location as OBJ.
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* (OBJ>NOBJECTS indicates that game.fixed(OBJ-NOBJECTS)=LOC; game.link(OBJ) is
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* still the correct link to use.) game.abbrev is zeroed; it controls
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* whether the abbreviated description is printed. Counts modulo 5
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* unless "LOOK" is used. */
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static void write_0d(FILE* header_file, long single, const char* varname)
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{
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fprintf(header_file, "LOCATION long %s INITIALIZE(= %ld);\n", varname, single);
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}
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static void write_1d(FILE* header_file, long array[], long dim, const char* varname)
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{
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fprintf(header_file, "LOCATION long %s[] INITIALIZE(= {\n", varname);
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for (int i = 0; i < dim; ++i)
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{
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if (i % 10 == 0)
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{
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if (i > 0)
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fprintf(header_file, "\n");
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fprintf(header_file, " ");
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}
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fprintf(header_file, "%ld, ", array[i]);
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}
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fprintf(header_file, "\n});\n");
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}
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static void write_hints(FILE* header_file, long matrix[][HINTLEN], long dim1, long dim2, const char* varname)
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|
{
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|
fprintf(header_file, "LOCATION long %s[][%ld] INITIALIZE(= {\n", varname, dim2);
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for (int i = 0; i < dim1; ++i)
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|
{
|
|
fprintf(header_file, " {");
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|
for (int j = 0; j < dim2; ++j)
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|
{
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|
fprintf(header_file, "%ld, ", matrix[i][j]);
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|
}
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|
fprintf(header_file, "},\n");
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|
}
|
|
fprintf(header_file, "});\n");
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|
}
|
|
|
|
static void write_file(FILE* header_file)
|
|
{
|
|
int MAXDIE;
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|
for (int i=0; i<=4; i++) {
|
|
long x = 2*i+81;
|
|
if(RTEXT[x] != 0)
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|
MAXDIE=i+1;
|
|
}
|
|
|
|
|
|
fprintf(header_file, "#ifndef DATABASE_H\n");
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|
fprintf(header_file, "#define DATABASE_H\n");
|
|
fprintf(header_file, "\n");
|
|
|
|
fprintf(header_file, "#include \"common.h\"\n");
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|
fprintf(header_file, "#define TABSIZ 330\n");
|
|
fprintf(header_file, "#define HNTSIZ 20\n");
|
|
fprintf(header_file, "#define TOKLEN %d\n", TOKLEN);
|
|
fprintf(header_file, "#define MAXDIE %d\n", MAXDIE);
|
|
fprintf(header_file, "\n");
|
|
|
|
fprintf(header_file, "\n");
|
|
fprintf(header_file, "#ifdef DEFINE_GLOBALS_FROM_INCLUDES\n");
|
|
fprintf(header_file, "#define LOCATION\n");
|
|
fprintf(header_file, "#define INITIALIZE(...) __VA_ARGS__\n");
|
|
fprintf(header_file, "#else\n");
|
|
fprintf(header_file, "#define LOCATION extern\n");
|
|
fprintf(header_file, "#define INITIALIZE(...)\n");
|
|
fprintf(header_file, "#endif\n");
|
|
fprintf(header_file, "\n");
|
|
|
|
// content variables
|
|
write_0d(header_file, TRNVLS, "TRNVLS");
|
|
write_0d(header_file, HNTMAX, "HNTMAX");
|
|
write_1d(header_file, OBJSND, NOBJECTS + 1, "OBJSND");
|
|
write_1d(header_file, OBJTXT, NOBJECTS + 1, "OBJTXT");
|
|
write_1d(header_file, COND, LOCSIZ + 1, "COND");
|
|
write_1d(header_file, KEY, LOCSIZ + 1, "KEY");
|
|
write_1d(header_file, LOCSND, LOCSIZ + 1, "LOCSND");
|
|
write_1d(header_file, CVAL, CLSMAX + 1, "CVAL");
|
|
write_1d(header_file, TRNVAL, TRNSIZ + 1, "TRNVAL");
|
|
write_1d(header_file, TRAVEL, TRVSIZ + 1, "TRAVEL");
|
|
write_1d(header_file, KTAB, TABSIZ + 1, "KTAB");
|
|
write_1d(header_file, ATAB, TABSIZ + 1, "ATAB");
|
|
write_1d(header_file, PLAC, NOBJECTS + 1, "PLAC");
|
|
write_1d(header_file, FIXD, NOBJECTS + 1, "FIXD");
|
|
write_1d(header_file, ACTSPK, VRBSIZ + 1, "ACTSPK");
|
|
write_hints(header_file, HINTS, HNTSIZ + 1, 5, "HINTS");
|
|
|
|
fprintf(header_file, "#undef LOCATION\n");
|
|
fprintf(header_file, "#undef INITIALIZE\n");
|
|
fprintf(header_file, "#endif\n");
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
FILE* database = fopen("adventure.text", "r");
|
|
read_database(database);
|
|
fclose(database);
|
|
|
|
FILE* header_file = fopen("database.h", "w");
|
|
write_file(header_file);
|
|
fclose(header_file);
|
|
|
|
return(EXIT_SUCCESS);
|
|
}
|