+#ifndef COMMON_H
+#define COMMON_H
/* maximum size limits shared by dungeon compiler and runtime */
#define LOCSIZ 185
#define NOBJECTS 100
#define HNTSIZ 20
-extern const char advent_to_ascii[129];
-extern const char ascii_to_advent[129];
+extern const char advent_to_ascii[128];
+extern const char ascii_to_advent[128];
+
+enum bugtype {
+ MESSAGE_LINE_GT_70_CHARACTERS, // 0
+ NULL_LINE_IN_MESSAGE, // 1
+ TOO_MANY_WORDS_OF_MESSAGES, // 2
+ TOO_MANY_TRAVEL_OPTIONS, // 3
+ TOO_MANY_VOCABULARY_WORDS, // 4
+ REQUIRED_VOCABULARY_WORD_NOT_FOUND, // 5
+ TOO_MANY_RTEXT_MESSAGES, // 6
+ TOO_MANY_HINTS, // 7
+ LOCATION_HAS_CONDITION_BIT_BEING_SET_TWICE, // 8
+ INVALID_SECTION_NUMBER_IN_DATABASE, // 9
+ TOO_MANY_LOCATIONS, // 10
+ TOO_MANY_CLASS_OR_TURN_MESSAGES, // 11
+ SPECIAL_TRAVEL_500_GT_L_GT_300_EXCEEDS_GOTO_LIST = 20, // 20
+ RAN_OFF_END_OF_VOCABULARY_TABLE, // 21
+ VOCABULARY_TYPE_N_OVER_1000_NOT_BETWEEN_0_AND_3, // 22
+ INTRANSITIVE_ACTION_VERB_EXCEEDS_GOTO_LIST, // 23
+ TRANSITIVE_ACTION_VERB_EXCEEDS_GOTO_LIST, // 24
+ CONDITIONAL_TRAVEL_ENTRY_WITH_NO_ALTERATION, // 25
+ LOCATION_HAS_NO_TRAVEL_ENTRIES, // 26
+ HINT_NUMBER_EXCEEDS_GOTO_LIST, // 27
+ TOO_MANY_PARAMETERS_GIVEN_TO_SETPRM, // 28
+ SPEECHPART_NOT_TRANSITIVE_OR_INTRANSITIVE_OR_UNKNOWN=99, // 99
+ ACTION_RETURNED_PHASE_CODE_BEYOND_END_OF_SWITCH, // 100
+};
+
+static inline void bug(enum bugtype num, const char *error_string) __attribute__((__noreturn__));
+static inline void bug(enum bugtype num, const char *error_string)
+{
+ fprintf(stderr, "Fatal error %d, %s.\n", num, error_string);
+ exit(EXIT_FAILURE);
+}
+
+#define BUG(x) bug(x, #x)
+
+#endif