Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
typedef struct A_stm_ *A_stm; typedef struct A_exp_ *A_exp; typedef struct A_expList_ *A_expList; typedef enum {A_plus,A_minus,A_times,A_div} A_binop; struct A_stm_ {enum {A_compoundStm, A_assignStm, A_printStm} kind; union {struct {A_stm stm1, stm2;} compound; struct {string id; A_exp exp;} assign; struct {A_expList exps;} print; } u; }; A_stm A_CompoundStm(A_stm stm1, A_stm stm2); A_stm A_AssignStm(string id, A_exp exp); A_stm A_PrintStm(A_expList exps); struct A_exp_ {enum {A_idExp, A_numExp, A_opExp, A_eseqExp} kind; union {string id; int num; struct {A_exp left; A_binop oper; A_exp right;} op; struct {A_stm stm; A_exp exp;} eseq; } u; }; A_exp A_IdExp(string id); A_exp A_NumExp(int num); A_exp A_OpExp(A_exp left, A_binop oper, A_exp right); A_exp A_EseqExp(A_stm stm, A_exp exp); struct A_expList_ {enum {A_pairExpList, A_lastExpList} kind; union {struct {A_exp head; A_expList tail;} pair; A_exp last; } u; }; A_expList A_PairExpList(A_exp head, A_expList tail); A_expList A_LastExpList(A_exp last);