lexer.h

// Keywords
#define T_PROGRAM  1
#define T_CONST  2
#define T_TYPE  3
#define T_ARRAY  4
#define T_SET  5
#define T_OF  6
#define T_RECORD  7
#define T_VAR  8
#define T_FORWARD  9
#define T_FUNCTION  10
#define T_PROCEDURE  11
#define T_INTEGER  12
#define T_REAL  13
#define T_BOOLEAN  14
#define T_CHAR  15
#define T_BEGIN  16
#define T_END  17
#define T_IF  18
#define T_THEN  19
#define T_ELSE  20
#define T_WHILE  21
#define T_DO  22
#define T_FOR  23
#define T_DOWNTO  24
#define T_TO  25
#define T_WITH  26
#define T_READ  27
#define T_WRITE  28

// Identifiers
#define T_ID  29

// Constants
#define T_ICONST  30
#define T_RCONST  31
#define T_BCONST  32
#define T_CCONST  33

// Operators
#define T_RELOP  34
#define T_ADDOP  35
#define T_OROP  36
#define T_MULDIVANDOP  37
#define T_NOTOP  38
#define T_INOP  39


// Strings
#define T_STRING  40

// Other tokens
#define T_LPAREN  41
#define T_RPAREN  42
#define T_SEMI  43
#define T_DOT  44
#define T_COMMA  45
#define T_EQU  46
#define T_COLON  47
#define T_LBRACK  48
#define T_RBRACK  49
#define T_ASSIGN  50
#define T_DOTDOT  51

// EOF
#define T_EOF  0