04eca720d9
Show usage when using bad parameter with ./advent Converted magic numbers to enums for BUG(). Also bug now shows stringify'ed version of bug enumeration (not just a number).
568 lines
17 KiB
C
568 lines
17 KiB
C
/*
|
|
* The dungeon compiler. Turns adventure.text into a set of C initializers
|
|
* defining (mostly) invariant state. A couple of slots are messed with
|
|
* at runtime.
|
|
*/
|
|
|
|
#define LINESIZE 100
|
|
#define RTXSIZ 277
|
|
#define CLSMAX 12
|
|
#define LINSIZ 12600
|
|
#define TRNSIZ 5
|
|
#define TABSIZ 330
|
|
#define VRBSIZ 35
|
|
#define TRVSIZ 885
|
|
#define TOKLEN 5
|
|
#define HINTLEN 5
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <unistd.h>
|
|
#include "common.h"
|
|
|
|
// Global variables for use in functions below that can gradually disappear as code is cleaned up
|
|
static long LNLENG;
|
|
static long LNPOSN;
|
|
static char INLINE[LINESIZE + 1];
|
|
static long OLDLOC;
|
|
|
|
// Storage for what comes out of the database
|
|
long LINUSE;
|
|
long TRVS;
|
|
long CLSSES;
|
|
long TRNVLS;
|
|
long TABNDX;
|
|
long HNTMAX;
|
|
long PTEXT[NOBJECTS + 1];
|
|
long RTEXT[RTXSIZ + 1];
|
|
long CTEXT[CLSMAX + 1];
|
|
long OBJSND[NOBJECTS + 1];
|
|
long OBJTXT[NOBJECTS + 1];
|
|
long STEXT[LOCSIZ + 1];
|
|
long LTEXT[LOCSIZ + 1];
|
|
long COND[LOCSIZ + 1];
|
|
long KEY[LOCSIZ + 1];
|
|
long LOCSND[LOCSIZ + 1];
|
|
long LINES[LINSIZ + 1];
|
|
long CVAL[CLSMAX + 1];
|
|
long TTEXT[TRNSIZ + 1];
|
|
long TRNVAL[TRNSIZ + 1];
|
|
long TRAVEL[TRVSIZ + 1];
|
|
long KTAB[TABSIZ + 1];
|
|
long ATAB[TABSIZ + 1];
|
|
long PLAC[NOBJECTS + 1];
|
|
long FIXD[NOBJECTS + 1];
|
|
long ACTSPK[VRBSIZ + 1];
|
|
long HINTS[HNTSIZ + 1][HINTLEN];
|
|
|
|
|
|
static bool is_set(long var, long position)
|
|
{
|
|
long mask = 1l << position;
|
|
bool result = (var & mask) == mask;
|
|
return (result);
|
|
}
|
|
|
|
static long GETTXT(long SKIP, long ONEWRD, long UPPER)
|
|
{
|
|
/* Take characters from an input line and pack them into 30-bit words.
|
|
* Skip says to skip leading blanks. ONEWRD says stop if we come to a
|
|
* blank. UPPER says to map all letters to uppercase. If we reach the
|
|
* end of the line, the word is filled up with blanks (which encode as 0's).
|
|
* If we're already at end of line when GETTXT is called, we return -1. */
|
|
|
|
long TEXT;
|
|
static long SPLITTING = -1;
|
|
|
|
if (LNPOSN != SPLITTING)
|
|
SPLITTING = -1;
|
|
TEXT = -1;
|
|
while (true) {
|
|
if (LNPOSN > LNLENG)
|
|
return (TEXT);
|
|
if ((!SKIP) || INLINE[LNPOSN] != 0)
|
|
break;
|
|
LNPOSN = LNPOSN + 1;
|
|
}
|
|
|
|
TEXT = 0;
|
|
for (int I = 1; I <= TOKLEN; I++) {
|
|
TEXT = TEXT * 64;
|
|
if (LNPOSN > LNLENG || (ONEWRD && INLINE[LNPOSN] == 0))
|
|
continue;
|
|
char current = INLINE[LNPOSN];
|
|
if (current < 63) {
|
|
SPLITTING = -1;
|
|
if (UPPER && current >= 37)
|
|
current = current - 26;
|
|
TEXT = TEXT + current;
|
|
LNPOSN = LNPOSN + 1;
|
|
continue;
|
|
}
|
|
if (SPLITTING != LNPOSN) {
|
|
TEXT = TEXT + 63;
|
|
SPLITTING = LNPOSN;
|
|
continue;
|
|
}
|
|
|
|
TEXT = TEXT + current - 63;
|
|
SPLITTING = -1;
|
|
LNPOSN = LNPOSN + 1;
|
|
}
|
|
|
|
return (TEXT);
|
|
}
|
|
|
|
static void MAPLIN(FILE *OPENED)
|
|
{
|
|
/* Read a line of input, from the specified input source,
|
|
* translate the chars to integers in the range 0-126 and store
|
|
* them in the common array "INLINE". Integer values are as follows:
|
|
* 0 = space [ASCII CODE 40 octal, 32 decimal]
|
|
* 1-2 = !" [ASCII 41-42 octal, 33-34 decimal]
|
|
* 3-10 = '()*+,-. [ASCII 47-56 octal, 39-46 decimal]
|
|
* 11-36 = upper-case letters
|
|
* 37-62 = lower-case letters
|
|
* 63 = percent (%) [ASCII 45 octal, 37 decimal]
|
|
* 64-73 = digits, 0 through 9
|
|
* Remaining characters can be translated any way that is convenient;
|
|
* The "TYPE" routine below is used to map them back to characters when
|
|
* necessary. The above mappings are required so that certain special
|
|
* characters are known to fit in 6 bits and/or can be easily spotted.
|
|
* Array elements beyond the end of the line should be filled with 0,
|
|
* and LNLENG should be set to the index of the last character.
|
|
*
|
|
* If the data file uses a character other than space (e.g., tab) to
|
|
* separate numbers, that character should also translate to 0.
|
|
*
|
|
* This procedure may use the map1,map2 arrays to maintain static data for
|
|
* the mapping. MAP2(1) is set to 0 when the program starts
|
|
* and is not changed thereafter unless the routines on this page choose
|
|
* to do so. */
|
|
|
|
do {
|
|
if (NULL == fgets(INLINE + 1, sizeof(INLINE) - 1, OPENED)) {
|
|
printf("Failed fgets()\n");
|
|
}
|
|
} while (!feof(OPENED) && INLINE[1] == '#');
|
|
|
|
LNLENG = 0;
|
|
for (size_t i = 1; i < sizeof(INLINE) && INLINE[i] != 0; ++i) {
|
|
char val = INLINE[i];
|
|
INLINE[i] = ascii_to_advent[(unsigned)val];
|
|
if (INLINE[i] != 0)
|
|
LNLENG = i;
|
|
}
|
|
LNPOSN = 1;
|
|
}
|
|
|
|
static long GETNUM(FILE *source)
|
|
{
|
|
/* Obtain the next integer from an input line. If K>0, we first read a
|
|
* new input line from a file; if K<0, we read a line from the keyboard;
|
|
* if K=0 we use a line that has already been read (and perhaps partially
|
|
* scanned). If we're at the end of the line or encounter an illegal
|
|
* character (not a digit, hyphen, or blank), we return 0. */
|
|
|
|
long DIGIT, GETNUM, SIGN;
|
|
|
|
if (source != NULL) MAPLIN(source);
|
|
GETNUM = 0;
|
|
|
|
while (INLINE[LNPOSN] == 0) {
|
|
if (LNPOSN > LNLENG) return (GETNUM);
|
|
++LNPOSN;
|
|
}
|
|
|
|
if (INLINE[LNPOSN] != 9) {
|
|
SIGN = 1;
|
|
} else {
|
|
SIGN = -1;
|
|
LNPOSN = LNPOSN + 1;
|
|
}
|
|
while (!(LNPOSN > LNLENG || INLINE[LNPOSN] == 0)) {
|
|
DIGIT = INLINE[LNPOSN] - 64;
|
|
if (DIGIT < 0 || DIGIT > 9) {
|
|
GETNUM = 0;
|
|
break;
|
|
}
|
|
GETNUM = GETNUM * 10 + DIGIT;
|
|
LNPOSN = LNPOSN + 1;
|
|
}
|
|
|
|
GETNUM = GETNUM * SIGN;
|
|
LNPOSN = LNPOSN + 1;
|
|
return (GETNUM);
|
|
}
|
|
|
|
/* Sections 1, 2, 5, 6, 10, 14. Read messages and set up pointers. */
|
|
static void read_messages(FILE* database, long sect)
|
|
{
|
|
long KK = LINUSE;
|
|
while (true) {
|
|
long loc;
|
|
LINUSE = KK;
|
|
loc = GETNUM(database);
|
|
if (LNLENG >= LNPOSN + 70)
|
|
BUG(MESSAGE_LINE_GT_70_CHARACTERS);
|
|
if (loc == -1) return;
|
|
if (LNLENG < LNPOSN)
|
|
BUG(NULL_LINE_IN_MESSAGE);
|
|
do {
|
|
KK = KK + 1;
|
|
if (KK >= LINSIZ)
|
|
BUG(TOO_MANY_WORDS_OF_MESSAGES);
|
|
LINES[KK] = GETTXT(false, false, false);
|
|
} while (LINES[KK] != -1);
|
|
LINES[LINUSE] = KK;
|
|
if (loc == OLDLOC) continue;
|
|
OLDLOC = loc;
|
|
LINES[LINUSE] = -KK;
|
|
if (sect == 14) {
|
|
TRNVLS = TRNVLS + 1;
|
|
if (TRNVLS > TRNSIZ)
|
|
BUG(TOO_MANY_CLASS_OR_TURN_MESSAGES);
|
|
TTEXT[TRNVLS] = LINUSE;
|
|
TRNVAL[TRNVLS] = loc;
|
|
continue;
|
|
}
|
|
if (sect == 10) {
|
|
CLSSES = CLSSES + 1;
|
|
if (CLSSES > CLSMAX)
|
|
BUG(TOO_MANY_CLASS_OR_TURN_MESSAGES);
|
|
CTEXT[CLSSES] = LINUSE;
|
|
CVAL[CLSSES] = loc;
|
|
continue;
|
|
}
|
|
if (sect == 6) {
|
|
if (loc > RTXSIZ)
|
|
BUG(TOO_MANY_RTEXT_MESSAGES);
|
|
RTEXT[loc] = LINUSE;
|
|
continue;
|
|
}
|
|
if (sect == 5) {
|
|
if (loc > 0 && loc <= NOBJECTS)PTEXT[loc] = LINUSE;
|
|
continue;
|
|
}
|
|
if (loc > LOCSIZ)
|
|
BUG(TOO_MANY_LOCATIONS);
|
|
if (sect == 1) {
|
|
LTEXT[loc] = LINUSE;
|
|
continue;
|
|
}
|
|
|
|
STEXT[loc] = LINUSE;
|
|
}
|
|
}
|
|
|
|
/* The stuff for section 3 is encoded here. Each "from-location" gets a
|
|
* contiguous section of the "TRAVEL" array. Each entry in travel is
|
|
* newloc*1000 + KEYWORD (from section 4, motion verbs), and is negated if
|
|
* this is the last entry for this location. KEY(N) is the index in travel
|
|
* of the first option at location N. */
|
|
static void read_section3_stuff(FILE* database)
|
|
{
|
|
long loc;
|
|
while ((loc = GETNUM(database)) != -1) {
|
|
long newloc = GETNUM(NULL);
|
|
long L;
|
|
if (KEY[loc] == 0) {
|
|
KEY[loc] = TRVS;
|
|
} else {
|
|
TRAVEL[TRVS - 1] = -TRAVEL[TRVS - 1];
|
|
}
|
|
while ((L = GETNUM(NULL)) != 0) {
|
|
TRAVEL[TRVS] = newloc * 1000 + L;
|
|
TRVS = TRVS + 1;
|
|
if (TRVS == TRVSIZ)
|
|
BUG(TOO_MANY_TRAVEL_OPTIONS);
|
|
}
|
|
TRAVEL[TRVS - 1] = -TRAVEL[TRVS - 1];
|
|
}
|
|
}
|
|
|
|
/* Here we read in the vocabulary. KTAB(N) is the word number, ATAB(N) is
|
|
* the corresponding word. The -1 at the end of section 4 is left in KTAB
|
|
* as an end-marker. */
|
|
static void read_vocabulary(FILE* database)
|
|
{
|
|
for (TABNDX = 1; TABNDX <= TABSIZ; TABNDX++) {
|
|
KTAB[TABNDX] = GETNUM(database);
|
|
if (KTAB[TABNDX] == -1) return;
|
|
ATAB[TABNDX] = GETTXT(true, true, true);
|
|
} /* end loop */
|
|
BUG(TOO_MANY_VOCABULARY_WORDS);
|
|
}
|
|
|
|
/* Read in the initial locations for each object. Also the immovability info.
|
|
* plac contains initial locations of objects. FIXD is -1 for immovable
|
|
* objects (including the snake), or = second loc for two-placed objects. */
|
|
static void read_initial_locations(FILE* database)
|
|
{
|
|
long OBJ;
|
|
while ((OBJ = GETNUM(database)) != -1) {
|
|
PLAC[OBJ] = GETNUM(NULL);
|
|
FIXD[OBJ] = GETNUM(NULL);
|
|
}
|
|
}
|
|
|
|
/* Read default message numbers for action verbs, store in ACTSPK. */
|
|
static void read_action_verb_message_nr(FILE* database)
|
|
{
|
|
long verb;
|
|
while ((verb = GETNUM(database)) != -1) {
|
|
ACTSPK[verb] = GETNUM(NULL);
|
|
}
|
|
}
|
|
|
|
/* Read info about available liquids and other conditions, store in COND. */
|
|
static void read_conditions(FILE* database)
|
|
{
|
|
long K;
|
|
while ((K = GETNUM(database)) != -1) {
|
|
long loc;
|
|
while ((loc = GETNUM(NULL)) != 0) {
|
|
if (is_set(COND[loc], K))
|
|
BUG(LOCATION_HAS_CONDITION_BIT_BEING_SET_TWICE);
|
|
COND[loc] = COND[loc] + (1l << K);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* Read data for hints. */
|
|
static void read_hints(FILE* database)
|
|
{
|
|
long K;
|
|
HNTMAX = 0;
|
|
while ((K = GETNUM(database)) != -1) {
|
|
if (K <= 0 || K > HNTSIZ)
|
|
BUG(TOO_MANY_HINTS);
|
|
for (int I = 1; I <= 4; I++) {
|
|
HINTS[K][I] = GETNUM(NULL);
|
|
} /* end loop */
|
|
HNTMAX = (HNTMAX > K ? HNTMAX : K);
|
|
}
|
|
}
|
|
|
|
/* Read the sound/text info, store in OBJSND, OBJTXT, LOCSND. */
|
|
static void read_sound_text(FILE* database)
|
|
{
|
|
long K;
|
|
while ((K = GETNUM(database)) != -1) {
|
|
long KK = GETNUM(NULL);
|
|
long I = GETNUM(NULL);
|
|
if (I != 0) {
|
|
OBJSND[K] = (KK > 0 ? KK : 0);
|
|
OBJTXT[K] = (I > 0 ? I : 0);
|
|
continue;
|
|
}
|
|
|
|
LOCSND[K] = KK;
|
|
}
|
|
}
|
|
|
|
|
|
static int read_database(FILE* database)
|
|
{
|
|
|
|
/* Clear out the various text-pointer arrays. All text is stored in array
|
|
* lines; each line is preceded by a word pointing to the next pointer (i.e.
|
|
* the word following the end of the line). The pointer is negative if this is
|
|
* first line of a message. The text-pointer arrays contain indices of
|
|
* pointer-words in lines. STEXT(N) is short description of location N.
|
|
* LTEXT(N) is long description. PTEXT(N) points to message for game.prop(N)=0.
|
|
* Successive prop messages are found by chasing pointers. RTEXT contains
|
|
* section 6's stuff. CTEXT(N) points to a player-class message. TTEXT is for
|
|
* section 14. We also clear COND (see description of section 9 for details). */
|
|
|
|
for (int I = 1; I <= NOBJECTS; I++) {
|
|
PTEXT[I] = 0;
|
|
OBJSND[I] = 0;
|
|
OBJTXT[I] = 0;
|
|
}
|
|
for (int I = 1; I <= RTXSIZ; I++) {
|
|
RTEXT[I] = 0;
|
|
}
|
|
for (int I = 1; I <= CLSMAX; I++) {
|
|
CTEXT[I] = 0;
|
|
}
|
|
for (int I = 1; I <= LOCSIZ; I++) {
|
|
STEXT[I] = 0;
|
|
LTEXT[I] = 0;
|
|
COND[I] = 0;
|
|
KEY[I] = 0;
|
|
LOCSND[I] = 0;
|
|
}
|
|
|
|
LINUSE = 1;
|
|
TRVS = 1;
|
|
CLSSES = 0;
|
|
TRNVLS = 0;
|
|
|
|
/* Start new data section. Sect is the section number. */
|
|
|
|
while (true) {
|
|
long sect = GETNUM(database);
|
|
OLDLOC = -1;
|
|
switch (sect) {
|
|
case 0:
|
|
return (0);
|
|
case 1:
|
|
read_messages(database, sect);
|
|
break;
|
|
case 2:
|
|
read_messages(database, sect);
|
|
break;
|
|
case 3:
|
|
read_section3_stuff(database);
|
|
break;
|
|
case 4:
|
|
read_vocabulary(database);
|
|
break;
|
|
case 5:
|
|
read_messages(database, sect);
|
|
break;
|
|
case 6:
|
|
read_messages(database, sect);
|
|
break;
|
|
case 7:
|
|
read_initial_locations(database);
|
|
break;
|
|
case 8:
|
|
read_action_verb_message_nr(database);
|
|
break;
|
|
case 9:
|
|
read_conditions(database);
|
|
break;
|
|
case 10:
|
|
read_messages(database, sect);
|
|
break;
|
|
case 11:
|
|
read_hints(database);
|
|
break;
|
|
case 12:
|
|
break;
|
|
case 13:
|
|
read_sound_text(database);
|
|
break;
|
|
case 14:
|
|
read_messages(database, sect);
|
|
break;
|
|
default:
|
|
BUG(INVALID_SECTION_NUMBER_IN_DATABASE);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Finish constructing internal data format */
|
|
|
|
/* Having read in the database, certain things are now constructed.
|
|
* game.propS are set to zero. We finish setting up COND by checking for
|
|
* forced-motion travel entries. The PLAC and FIXD arrays are used
|
|
* to set up game.atloc(N) as the first object at location N, and
|
|
* game.link(OBJ) as the next object at the same location as OBJ.
|
|
* (OBJ>NOBJECTS indicates that game.fixed(OBJ-NOBJECTS)=LOC; game.link(OBJ) is
|
|
* still the correct link to use.) game.abbrev is zeroed; it controls
|
|
* whether the abbreviated description is printed. Counts modulo 5
|
|
* unless "LOOK" is used. */
|
|
|
|
static void write_0d(FILE* header_file, long single, const char* varname)
|
|
{
|
|
fprintf(header_file, "LOCATION long %s INITIALIZE(= %ld);\n", varname, single);
|
|
}
|
|
|
|
static void write_1d(FILE* header_file, long array[], long dim, const char* varname)
|
|
{
|
|
fprintf(header_file, "LOCATION long %s[] INITIALIZE(= {\n", varname);
|
|
for (int i = 0; i < dim; ++i) {
|
|
if (i % 10 == 0) {
|
|
if (i > 0)
|
|
fprintf(header_file, "\n");
|
|
fprintf(header_file, " ");
|
|
}
|
|
fprintf(header_file, "%ld, ", array[i]);
|
|
}
|
|
fprintf(header_file, "\n});\n");
|
|
}
|
|
|
|
static void write_hints(FILE* header_file, long matrix[][HINTLEN], long dim1, long dim2, const char* varname)
|
|
{
|
|
fprintf(header_file, "LOCATION long %s[][%ld] INITIALIZE(= {\n", varname, dim2);
|
|
for (int i = 0; i < dim1; ++i) {
|
|
fprintf(header_file, " {");
|
|
for (int j = 0; j < dim2; ++j) {
|
|
fprintf(header_file, "%ld, ", matrix[i][j]);
|
|
}
|
|
fprintf(header_file, "},\n");
|
|
}
|
|
fprintf(header_file, "});\n");
|
|
}
|
|
|
|
static void write_file(FILE* header_file)
|
|
{
|
|
int MAXDIE;
|
|
for (int i = 0; i <= 4; i++) {
|
|
long x = 2 * i + 81;
|
|
if (RTEXT[x] != 0)
|
|
MAXDIE = i + 1;
|
|
}
|
|
|
|
|
|
fprintf(header_file, "#ifndef DATABASE_H\n");
|
|
fprintf(header_file, "#define DATABASE_H\n");
|
|
fprintf(header_file, "\n");
|
|
|
|
fprintf(header_file, "#include \"common.h\"\n");
|
|
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);
|
|
}
|