this is tokens.h

please use c language

// keywords #define K_FOREACH 200 #define K PRINT 201 #define K WHILE 202 #define K REPEAT 203 #define K_UNTIL 204 #define K BEGIN 205 #define K END 206 #define K_DECLARE 209 #define K IF 210 #define K THEN 211 #define K_MAIN 212 #define K_INTEGER 213 #define K_FLOAT 214 1/ operators #define OP ASSIGN 220 #define OP_ADD 221 #define OP SUB 222 #define OPMUL 223 #define OP DIV 224 #define OP_LT 225 #define OP GT 226 #define OP_LEQ 227 #define OPGEQ 228 #define OP_EQ 229 // OP DIFF is #define OP_DIFF 230 // OP_PLUSPLUS is ++ #define OP_PLUSPLUS 231 // OPADDINC 1st #define OP ADDINC 232 #define CAR A 400 #define CAR B 401 #define CAR_C 402 #define CAR AB 403 // literals #define T_ID 240 #define L INTEGER 241 ndefine L FLOAT 242 #define TEOF 280 1. (1.5pt) Add the necessary rules to recognize the arithmetic operators: +, -, * /.+=++,>===,. See the file tokens.h to determine the constants to be used (they start with the prefix 'OP-'). // keywords #define K_FOREACH 200 #define K PRINT 201 #define K WHILE 202 #define K REPEAT 203 #define K_UNTIL 204 #define K BEGIN 205 #define K END 206 #define K_DECLARE 209 #define K IF 210 #define K THEN 211 #define K_MAIN 212 #define K_INTEGER 213 #define K_FLOAT 214 1/ operators #define OP ASSIGN 220 #define OP_ADD 221 #define OP SUB 222 #define OPMUL 223 #define OP DIV 224 #define OP_LT 225 #define OP GT 226 #define OP_LEQ 227 #define OPGEQ 228 #define OP_EQ 229 // OP DIFF is #define OP_DIFF 230 // OP_PLUSPLUS is ++ #define OP_PLUSPLUS 231 // OPADDINC 1st #define OP ADDINC 232 #define CAR A 400 #define CAR B 401 #define CAR_C 402 #define CAR AB 403 // literals #define T_ID 240 #define L INTEGER 241 ndefine L FLOAT 242 #define TEOF 280 1. (1.5pt) Add the necessary rules to recognize the arithmetic operators: +, -, * /.+=++,>===,. See the file tokens.h to determine the constants to be used (they start with the prefix 'OP-')