#include <stdio.h>
#include <string.h>
#include <sys/time.h>
+
#include "advent.h"
-#include "funcs.h"
#include "database.h"
+#include "linenoise/linenoise.h"
+
+#define PERCENT 63 /* partly hide the packed encoding */
-/* hack to ignore GCC Unused Result */
-#define IGNORE(r) do{if (r){}}while(0)
+const char advent_to_ascii[] = {0, 32, 33, 34, 39, 40, 41, 42, 43, 44, 45, 46, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 37, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 0, 1, 2, 3, 4, 5, 6, 7, 8, 0, 0, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 35, 36, 38, 47, 58, 59, 60, 61, 62, 63, 64, 91, 92, 93, 94, 95, 96, 123, 124, 125, 126, 0};
+/* Rendered from the now-gone MPINIT() function */
+const char ascii_to_advent[] = {0, 74, 75, 76, 77, 78, 79, 80, 81, 82, 0, 0, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 0, 1, 2, 106, 107, 63, 108, 3, 4, 5, 6, 7, 8, 9, 10, 109, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 110, 111, 112, 113, 114, 115, 116, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 117, 118, 119, 120, 121, 122, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 123, 124, 125, 126, 83};
/* I/O routines (SPEAK, PSPEAK, RSPEAK, SETPRM, GETIN, YES) */
-void SPEAK(vocab_t N)
-/* Print the message which starts at LINES(N). Precede it with a blank line
+void SPEAK(vocab_t msg)
+/* Print the message which starts at LINES[N]. Precede it with a blank line
* unless game.blklin is false. */
{
- long blank, casemake, I, K, L, NEG, NPARMS, PARM, PRMTYP, state;
+ long blank, casemake, i, nxt, neg, nparms, param, prmtyp, state;
- if (N == 0)
+ if (msg == 0)
return;
blank=game.blklin;
- K=N;
- NPARMS=1;
-L10:
- L=labs(LINES[K])-1;
- K=K+1;
- LNLENG=0;
- LNPOSN=1;
- state=0;
- for (I=K; I<=L; I++) {
- PUTTXT(LINES[I],state,2);
- }
- LNPOSN=0;
-L30:
- LNPOSN=LNPOSN+1;
-L32:
- if (LNPOSN > LNLENG)
- goto L40;
- if (INLINE[LNPOSN] != 63)
- goto L30;
- {long x = LNPOSN+1; PRMTYP=INLINE[x];}
- /* 63 is a "%"; the next character determine the type of
- * parameter: 1 (!) = suppress message completely, 29 (S) = NULL
- * If PARM=1, else 'S' (optional plural ending), 33 (W) = word
- * (two 30-bit values) with trailing spaces suppressed, 22 (L) or
- * 31 (U) = word but map to lower/upper case, 13 (C) = word in
- * lower case with first letter capitalised, 30 (T) = text ending
- * with a word of -1, 65-73 (1-9) = number using that many
- * characters, 12 (B) = variable number of blanks. */
- if (PRMTYP == 1)
- return;
- if (PRMTYP == 29)
- goto L320;
- if (PRMTYP == 30)
- goto L340;
- if (PRMTYP == 12)
- goto L360;
- if (PRMTYP == 33 || PRMTYP == 22 || PRMTYP == 31 || PRMTYP == 13)
- goto L380;
- PRMTYP=PRMTYP-64;
- if (PRMTYP < 1 || PRMTYP > 9) goto L30;
- SHFTXT(LNPOSN+2,PRMTYP-2);
- LNPOSN=LNPOSN+PRMTYP;
- PARM=labs(PARMS[NPARMS]);
- NEG=0;
- if (PARMS[NPARMS] < 0)
- NEG=9;
- /* 390 */ for (I=1; I<=PRMTYP; I++) {
- LNPOSN=LNPOSN-1;
- INLINE[LNPOSN]=MOD(PARM,10)+64;
- if (I == 1 || PARM != 0)
- goto L390;
- INLINE[LNPOSN]=NEG;
- NEG=0;
-L390:
- PARM=PARM/10;
- }
- LNPOSN=LNPOSN+PRMTYP;
-L395:
- NPARMS=NPARMS+1;
- goto L32;
-
-L320:
- SHFTXT(LNPOSN+2,-1);
- INLINE[LNPOSN]=55;
- if (PARMS[NPARMS] == 1)
- SHFTXT(LNPOSN+1,-1);
- goto L395;
-
-L340:
- SHFTXT(LNPOSN+2,-2);
- state=0;
- casemake=2;
-L345:
- if (PARMS[NPARMS] < 0) goto L395;
- {long x = NPARMS+1; if (PARMS[x] < 0)
- casemake=0;}
- PUTTXT(PARMS[NPARMS],state,casemake);
- NPARMS=NPARMS+1;
- goto L345;
-
-L360:
- PRMTYP=PARMS[NPARMS];
- SHFTXT(LNPOSN+2,PRMTYP-2);
- if (PRMTYP == 0) goto L395;
- for (I=1; I<=PRMTYP; I++) {
- INLINE[LNPOSN]=0;
- LNPOSN=LNPOSN+1;
- }
- goto L395;
-
-L380:
- SHFTXT(LNPOSN+2,-2);
- state=0;
- casemake= -1;
- if (PRMTYP == 31)
- casemake=1;
- if (PRMTYP == 33)
- casemake=0;
- I=LNPOSN;
- PUTTXT(PARMS[NPARMS],state,casemake);
- {long x = NPARMS+1; PUTTXT(PARMS[x],state,casemake);}
- if (PRMTYP == 13 && INLINE[I] >= 37 && INLINE[I] <=
- 62)INLINE[I]=INLINE[I]-26;
- NPARMS=NPARMS+2;
- goto L32;
-
-L40:
- if (blank)
- TYPE0();
- blank=false;
- TYPE();
- K=L+1;
- if (LINES[K] >= 0)
- goto L10;
+ nparms=1;
+ do {
+ nxt=labs(LINES[msg])-1;
+ ++msg;
+ LNLENG=0;
+ LNPOSN=1;
+ state=0;
+ for (i = msg; i <= nxt; i++) {
+ PUTTXT(LINES[i],&state,2);
+ }
+ LNPOSN=0;
+ ++LNPOSN;
+
+ while (LNPOSN <= LNLENG) {
+ if (INLINE[LNPOSN] != PERCENT) {
+ ++LNPOSN;
+ continue;
+ }
+ prmtyp = INLINE[LNPOSN+1];
+ /* A "%"; the next character determine the type of
+ * parameter: 1 (!) = suppress message completely, 29 (S) = NULL
+ * If PARAM=1, else 'S' (optional plural ending), 33 (W) = word
+ * (two 30-bit values) with trailing spaces suppressed, 22 (L) or
+ * 31 (U) = word but map to lower/upper case, 13 (C) = word in
+ * lower case with first letter capitalised, 30 (T) = text ending
+ * with a word of -1, 65-73 (1-9) = number using that many
+ * characters, 12 (B) = variable number of blanks. */
+ if (prmtyp == 1)
+ return;
+ if (prmtyp == 29) {
+ SHFTXT(LNPOSN+2,-1);
+ INLINE[LNPOSN] = 55;
+ if (PARMS[nparms] == 1)
+ SHFTXT(LNPOSN+1,-1);
+ ++nparms;
+ continue;
+ }
+ if (prmtyp == 30) {
+ SHFTXT(LNPOSN+2,-2);
+ state=0;
+ casemake=2;
+
+ while (PARMS[nparms] > 0) {
+ if (PARMS[nparms+1] < 0)
+ casemake=0;
+ PUTTXT(PARMS[nparms],&state,casemake);
+ ++nparms;
+ }
+ ++nparms;
+ continue;
+ }
+ if (prmtyp == 12) {
+ prmtyp=PARMS[nparms];
+ SHFTXT(LNPOSN+2,prmtyp-2);
+ if (prmtyp != 0) {
+ for (i=1; i<=prmtyp; i++) {
+ INLINE[LNPOSN]=0;
+ ++LNPOSN;
+ }
+ }
+ ++nparms;
+ continue;
+ }
+ if (prmtyp == 33 || prmtyp == 22 || prmtyp == 31 || prmtyp == 13) {
+ SHFTXT(LNPOSN+2,-2);
+ state = 0;
+ casemake = -1;
+ if (prmtyp == 31)
+ casemake=1;
+ if (prmtyp == 33)
+ casemake=0;
+ i = LNPOSN;
+ PUTTXT(PARMS[nparms],&state,casemake);
+ PUTTXT(PARMS[nparms+1],&state,casemake);
+ if (prmtyp == 13 && INLINE[i] >= 37 && INLINE[i] <= 62)
+ INLINE[i] -= 26;
+ nparms += 2;
+ continue;
+ }
+
+ prmtyp=prmtyp-64;
+ if (prmtyp < 1 || prmtyp > 9) {
+ ++LNPOSN;
+ continue;
+ }
+ SHFTXT(LNPOSN+2,prmtyp-2);
+ LNPOSN += prmtyp;
+ param=labs(PARMS[nparms]);
+ neg=0;
+ if (PARMS[nparms] < 0)
+ neg=9;
+ for (i=1; i <= prmtyp; i++) {
+ --LNPOSN;
+ INLINE[LNPOSN]=MOD(param,10)+64;
+ if (i != 1 && param == 0) {
+ INLINE[LNPOSN]=neg;
+ neg=0;
+ }
+ param=param/10;
+ }
+ LNPOSN += prmtyp;
+ ++nparms;
+ continue;
+ }
+
+ if (blank)
+ TYPE0();
+ blank=false;
+ TYPE();
+ msg = nxt + 1;
+ } while
+ (LINES[msg] >= 0);
}
void PSPEAK(vocab_t msg,int skip)
}
}
-bool fGETIN(FILE *input,
+bool GETIN(FILE *input,
long *pword1, long *pword1x,
long *pword2, long *pword2x)
/* Get a command from the adventurer. Snarf out the first word, pad it with
for (;;) {
if (game.blklin)
TYPE0();
- MAPLIN(input);
- if (feof(input))
+ if (!MAPLIN(input))
return false;
*pword1=GETTXT(true,true,true);
if (game.blklin && *pword1 < 0)
for (;;) {
RSPEAK(x);
- GETIN(input, reply,junk1,junk2,junk3);
+ GETIN(input, &reply, &junk1, &junk2, &junk3);
if (reply == MAKEWD(250519) || reply == MAKEWD(25)) {
RSPEAK(y);
return true;
return(text);
if ((!skip) || INLINE[LNPOSN] != 0)
break;
- LNPOSN=LNPOSN+1;
+ ++LNPOSN;
}
text=0;
if (LNPOSN > LNLENG || (onewrd && INLINE[LNPOSN] == 0))
continue;
char current=INLINE[LNPOSN];
- if (current < 63) {
+ if (current < PERCENT) {
splitting = -1;
if (upper && current >= 37)
current=current-26;
text=text+current;
- LNPOSN=LNPOSN+1;
+ ++LNPOSN;
continue;
}
if (splitting != LNPOSN) {
- text=text+63;
+ text=text+PERCENT;
splitting = LNPOSN;
continue;
}
- text=text+current-63;
+ text=text+current-PERCENT;
splitting = -1;
- LNPOSN=LNPOSN+1;
+ ++LNPOSN;
}
return text;
return word;
}
-void fPUTTXT(token_t word, long *state, long casemake)
+void PUTTXT(token_t word, long *state, long casemake)
/* Unpack the 30-bit value in word to obtain up to TOKLEN (currently
* 5) integer-encoded chars, and store them in inline starting at
* LNPOSN. If LNLENG>=LNPOSN, shift existing characters to the right
return;
byte=w/div;
w=(w-byte*div)*64;
- if (!(*state != 0 || byte != 63)) {
- *state=63;
+ if (!(*state != 0 || byte != PERCENT)) {
+ *state=PERCENT;
continue;
}
SHFTXT(LNPOSN,1);
*state=*state+byte;
if (*state < alph2 && *state >= alph1)*state=*state-26*casemake;
INLINE[LNPOSN]=*state;
- LNPOSN=LNPOSN+1;
+ ++LNPOSN;
*state=0;
}
}
return;
}
-/* Suspend/resume I/O routines (SAVWDS, SAVARR, SAVWRD) */
-
-void fSAVWDS(long *W1, long *W2, long *W3, long *W4,
- long *W5, long *W6, long *W7)
-/* Write or read 7 variables. See SAVWRD. */
-{
- SAVWRD(0,(*W1));
- SAVWRD(0,(*W2));
- SAVWRD(0,(*W3));
- SAVWRD(0,(*W4));
- SAVWRD(0,(*W5));
- SAVWRD(0,(*W6));
- SAVWRD(0,(*W7));
-}
-
-void fSAVARR(long arr[], long n)
-/* Write or read an array of n words. See SAVWRD. */
-{
- long i;
-
- for (i=1; i<=n; i++) {
- SAVWRD(0,arr[i]);
- }
- return;
-}
-
-void fSAVWRD(long op, long *pword)
-/* If OP<0, start writing a file, using word to initialise encryption; save
- * word in the file. If OP>0, start reading a file; read the file to find
- * the value with which to decrypt the rest. In either case, if a file is
- * already open, finish writing/reading it and don't start a new one. If OP=0,
- * read/write a single word. Words are buffered in case that makes for more
- * efficient disk use. We also compute a simple checksum to catch elementary
- * poking within the saved file. When we finish reading/writing the file,
- * we store zero into *PWORD if there's no checksum error, else nonzero. */
-{
- static long buf[250], cksum = 0, h1, hash = 0, n = 0, state = 0;
-
- if (op != 0)
- {
- long ifvar = state;
- switch (ifvar<0 ? -1 : (ifvar>0 ? 1 : 0))
- {
- case -1:
- case 1:
- if (n == 250)SAVEIO(1,state > 0,buf);
- n=MOD(n,250)+1;
- if (state <= 0) {
- n--; buf[n]=cksum; n++;
- SAVEIO(1,false,buf);
- }
- n--; *pword=buf[n]-cksum; n++;
- SAVEIO(-1,state > 0,buf);
- state=0;
- break;
- case 0: /* FIXME: Huh? should be impossible */
- state=op;
- SAVEIO(0,state > 0,buf);
- n=1;
- if (state <= 0) {
- hash=MOD(*pword,1048576L);
- buf[0]=1234L*5678L-hash;
- }
- SAVEIO(1,true,buf);
- hash=MOD(1234L*5678L-buf[0],1048576L);
- cksum=buf[0];
- return;
- }
- }
- if (state == 0)
- return;
- if (n == 250)
- SAVEIO(1,state > 0,buf);
- n=MOD(n,250)+1;
- h1=MOD(hash*1093L+221573L,1048576L);
- hash=MOD(h1*1093L+221573L,1048576L);
- h1=MOD(h1,1234)*765432+MOD(hash,123);
- n--;
- if (state > 0)
- *pword=buf[n]+h1;
- buf[n]=*pword-h1;
- n++;
- cksum=MOD(cksum*13+*pword,1000000000L);
-}
-
/* Data structure routines */
long VOCAB(long id, long init)
if (game.place[object] == -1)
return;
game.place[object]= -1;
- game.holdng=game.holdng+1;
+ ++game.holdng;
}
if (game.atloc[where] == object) {
game.atloc[where]=game.link[object];
return;
}
temp=game.atloc[where];
-L7: if (game.link[temp] == object)
- goto L8;
- temp=game.link[temp];
- goto L7;
-L8: game.link[temp]=game.link[object];
+ while (game.link[temp] != object) {
+ temp=game.link[temp];
+ }
+ game.link[temp]=game.link[object];
}
void DROP(long object, long where)
long SETBIT(long bit)
/* Returns 2**bit for use in constructing bit-masks. */
{
- return(2 << bit);
+ return(1 << bit);
}
bool TSTBIT(long mask, int bit)
exit(0);
}
-/* Machine dependent routines (MAPLIN, TYPE, MPINIT, SAVEIO) */
+/* Machine dependent routines (MAPLIN, TYPE, SAVEIO) */
-void MAPLIN(FILE *fp)
+bool MAPLIN(FILE *fp)
{
long i, val;
+ bool eof;
/* Read a line of input, from the specified input source,
* translate the chars to integers in the range 0-126 and store
* and is not changed thereafter unless the routines on this page choose
* to do so. */
- if (MAP2[1] == 0)
- MPINIT();
-
- if (!oldstyle && fp == stdin)
+ if (!oldstyle && !isatty(1))
fputs("> ", stdout);
do {
- IGNORE(fgets(rawbuf,sizeof(rawbuf)-1,fp));
+ if (oldstyle) {
+ IGNORE(fgets(rawbuf,sizeof(rawbuf)-1,fp));
+ eof = (feof(fp));
+ } else {
+ char *cp = linenoise("> ");
+ eof = (cp == NULL);
+ if (!eof) {
+ strncpy(rawbuf, cp, sizeof(rawbuf)-1);
+ linenoiseHistoryAdd(rawbuf);
+ strncat(rawbuf, "\n", sizeof(rawbuf)-1);
+ linenoiseFree(cp);
+ }
+ }
} while
- (!feof(fp) && rawbuf[0] == '#');
- if (feof(fp)) {
+ (!eof && rawbuf[0] == '#');
+ if (eof) {
if (logfp && fp == stdin)
fclose(logfp);
+ return false;
} else {
if (logfp && fp == stdin)
IGNORE(fputs(rawbuf, logfp));
LNLENG=0;
for (i=1; i<=(long)sizeof(INLINE) && INLINE[i]!=0; i++) {
val=INLINE[i]+1;
- INLINE[i]=MAP1[val];
+ INLINE[i]=ascii_to_advent[val];
if (INLINE[i] != 0)
LNLENG=i;
}
LNPOSN=1;
+ return true;
}
}
return;
}
- if (MAP2[1] == 0)
- MPINIT();
for (i=1; i<=LNLENG; i++) {
- INLINE[i]=MAP2[INLINE[i]+1];
+ INLINE[i]=advent_to_ascii[INLINE[i]+1];
}
INLINE[LNLENG+1]=0;
printf("%s\n", INLINE+1);
return;
}
-void MPINIT(void)
-{
- long first, i, j, last, val;
- static long RUNS[7][2] = { {32,34}, {39,46}, {65,90}, {97,122},
- {37,37}, {48,57}, {0,126} };
- for (i=1; i<=128; i++) {
- MAP1[i]= -1;
- }
- val=0;
- for (i=0; i<7; i++) {
- first =RUNS[i][0];
- last = RUNS[i][1];
- for (j=first; j<=last; j++) {
- j++;
- if (MAP1[j] < 0) {
- MAP1[j]=val;
- ++val;
- }
- j--;
- }
- }
- MAP1[128]=MAP1[10];
- /* For this version, tab (9) maps to space (32), so del (127)
- * uses tab's value */
- MAP1[10]=MAP1[33];
- MAP1[11]=MAP1[33];
-
- for (i=0; i<=126; i++) {
- i++; val=MAP1[i]+1; i--;
- MAP2[val] = i*('B'-'A');
- if (i >= 64)
- MAP2[val]=(i-64)*('B'-'A')+'@';
- }
-}
-
-void fSAVEIO(long op, long in, long arr[])
-/* If OP=0, ask for a file name and open a file. (If IN=true, the file is for
- * input, else output.) If OP>0, read/write ARR from/into the previously-opened
- * file. (ARR is a 250-integer array.) If OP<0, finish reading/writing the
- * file. (Finishing writing can be a no-op if a "stop" statement does it
- * automatically. Finishing reading can be a no-op as long as a subsequent
- * SAVEIO(0,false,X) will still work.) */
-{
- static FILE *fp = NULL;
- char name[50];
-
- switch (op < 0 ? -1 : (op > 0 ? 1 : 0))
- {
- case -1:
- fclose(fp);
- break;
- case 0:
- while (fp == NULL) {
- printf("\nFile name: ");
- IGNORE(fgets(name, sizeof(name), stdin));
- fp = fopen(name,(in ? READ_MODE : WRITE_MODE));
- if (fp == NULL)
- printf("Can't open file %s, try again.\n", name);
- }
- break;
- case 1:
- if (in)
- IGNORE(fread(arr,sizeof(long),250,fp));
- else
- IGNORE(fwrite(arr,sizeof(long),250,fp));
- break;
- }
-}
-
void DATIME(long* d, long* t)
{
struct timeval tv;