| /* %%%%%%%%%%%%%%%%%%%% (c) William Landi 1991 %%%%%%%%%%%%%%%%%%%%%%%%%%%% */ |
| /* Permission to use this code is granted as long as the copyright */ |
| /* notice remains in place. */ |
| /* ================================ pass1.h =============================== */ |
| |
| #define START_LEGAL_1 0 /* = May see a START legally */ |
| #define SEEN_START_1 1 /* = Have seen a START */ |
| /* SEND_START_OP Global that contains whether or not */ |
| /* a START operator has been seen */ |
| extern int SEEN_START_OP; |
| |
| |
| #define NO_END_SEEN_1 0 /* = Haven't seen an END */ |
| #define END_SEEN_1 1 /* = Have seen an END but haven't */ |
| /* found any code after it */ |
| #define END_SEEN_WITH_CODE_1 2 /* = Have seen an END and code after it */ |
| #define START_OF_CODE_1 3 /* = Start of code */ |
| /* SEEN_END_OP Flag to determine if seen an end since */ |
| /* start of last module or not. If so it */ |
| /* also indicated if any code seen since */ |
| /* end (so only one 'code after end' error */ |
| /* is generated. */ |
| extern int SEEN_END_OP; |
| |
| /* LOCATION_EXCEEDS_MEM_SIZE Indicates if location counter is greater*/ |
| /* then the memory size. */ |
| extern int LOCATION_EXCEEDS_MEM_SIZE; |
| |
| /* -------------------------- CHANGE_LOCATION ------------------------------ */ |
| /* 3 parameters: */ |
| /* 1) int *LOCATION; The location counter */ |
| /* 2) int INCREMENT; How much to increment it by. */ |
| /* 3) FILE *OUTPUT; Where to put error messages, if need be. */ |
| /* LOCATION = LOCATION + INCREMENT unless this puts LOCATION past MEM_SIZE, */ |
| /* or if the location has already exceeded the memory size. */ |
| extern void CHANGE_LOCATION(); |
| |
| /* ---------------------- CAPITALIZE_STRING -------------------------------- */ |
| /* 1 parameter: */ |
| /* 1) char STR[]; String to capitalize. */ |
| /* Make all lower case letters in the string STR upper case letters */ |
| extern void CAPITALIZE_STRING(); |
| |
| /* --------------------------- PASS1 --------------------------------------- */ |
| /* 3 parameters: |
| /* 1) FILE *INPUT_FILE; Stream with the source code */ |
| /* 2) SYMBOL_TABLE *SYM_TABLE; The symbol table (already */ |
| /* initialized). */ |
| /* 3) FILE *TEMP_OUTPUT_STREAM; Stream for the output of Pass1 */ |
| /* Drives the pass1 process, letting others do the real work. */ |
| extern void PASS1(); |
