typedef enum {
LBC_LINE = 0,
LBC_ID, 
LBC_STRING,
LBC_REAL,
LBC_INTEGER,
LBC_AND,
LBC_ARRAY,
LBC_BEGIN,
LBC_BY,
LBC_DIV,
LBC_DO,
LBC_ELSE,
LBC_ELSIF,
LBC_END,
LBC_EXIT,
LBC_FOR,
LBC_IF,
LBC_IS,
LBC_LOOP,
LBC_MOD,
LBC_NOT,
LBC_OF,
LBC_OR,
LBC_PROCEDURE,
LBC_PROGRAM,
LBC_READ,
LBC_RECORD,
LBC_RETURN,
LBC_THEN,
LBC_TO,
LBC_TYPE,
LBC_VAR,
LBC_WHILE,
LBC_WRITE,
LBC_ASGN,
LBC_LEQ,
LBC_GEQ,
LBC_NEQ,
LBC_LBRANG,
LBC_RBRANG,
LBC_SEMICOLON,
LBC_COMMA,
LBC_COLON,
LBC_LPAREN,
LBC_RPAREN,
LBC_LT,
LBC_GT,
LBC_EQ,
LBC_PLUS,
LBC_MINUS,
LBC_STAR,
LBC_SLASH,
LBC_LCURLY,
LBC_RCURLY,
LBC_LSQUARE,
LBC_RSQUARE,
LBC_DOT
} bytecode;