cb22561995-10-11Fredrik Hübinette (Hubbe) /*\ ||| This file a part of uLPC, and is copyright by Fredrik Hubinette ||| uLPC is distributed as GPL (General Public License) ||| See the files COPYING and DISCLAIMER for more information. \*/
5267b71995-08-09Fredrik Hübinette (Hubbe) #ifndef INTERPRET_H #define INTERPRET_H #include "program.h" #include "config.h" struct frame { unsigned char *pc; struct frame *parent_frame; struct svalue *locals; INT32 args; struct object *current_object; struct inherit context; char *current_storage; INT32 fun; #ifdef DEBUG INT16 num_locals; INT16 num_args; #endif }; #ifdef DEBUG #define check_stack() do{if(sp<evaluator_stack)fatal("Stack error.\n");}while(0) #else #define check_stack() #endif #define pop_stack() do{ free_svalue(--sp); check_stack(); }while(0) #define push_program(P) sp->u.program=(P),sp++->type=T_PROGRAM #define push_int(I) sp->u.integer=(I),sp->type=T_INT,sp++->subtype=NUMBER_NUMBER #define push_mapping(M) sp->u.mapping=(M),sp++->type=T_MAPPING #define push_array(A) sp->u.array=(A),sp++->type=T_ARRAY #define push_list(L) sp->u.list=(L),sp++->type=T_LIST #define push_string(S) sp->u.string=(S),sp++->type=T_STRING #define push_object(O) sp->u.object=(O),sp++->type=T_OBJECT #define push_float(F) sp->u.float_number=(F),sp++->type=T_FLOAT #define push_text(T) sp->u.string=make_shared_string(T),sp++->type=T_STRING #define APPLY_MASTER(FUN,ARGS) \ do{ \ static int fun_,master_cnt=0; \ struct object *master_ob=master(); \ if(master_cnt != master_ob->prog->id) \ { \ fun_=find_identifier(FUN,master_ob->prog); \ master_cnt = master_ob->prog->id; \ } \ apply_low(master_ob, fun_, ARGS); \ }while(0) #define SAFE_APPLY_MASTER(FUN,ARGS) \ do{ \ static int fun_,master_cnt=0; \ struct object *master_ob=master(); \ if(master_cnt != master_ob->prog->id) \ { \ fun_=find_identifier(FUN,master_ob->prog); \ master_cnt = master_ob->prog->id; \ } \ safe_apply_low(master_ob, fun_, ARGS); \ }while(0) /* Prototypes begin here */ void lvalue_to_svalue_no_free(struct svalue *to,struct svalue *lval); void assign_lvalue(struct svalue *lval,struct svalue *from); union anything *get_pointer_if_this_type(struct svalue *lval, TYPE_T t); void pop_n_elems(INT32 x); void reset_evaluator(); void f_catch(unsigned char *pc); struct backlog; void dump_backlog(); int apply_low_safe_and_stupid(struct object *o, INT32 offset); void apply_low(struct object *o, int fun, int args); void safe_apply_low(struct object *o,int fun,int args); void apply_shared(struct object *o, struct lpc_string *fun, int args); void apply(struct object *o, char *fun, int args); void strict_apply_svalue(struct svalue *s, INT32 args); void apply_svalue(struct svalue *s, INT32 args); void slow_check_stack(); void cleanup_interpret(); /* Prototypes end here */ extern struct svalue *sp; extern struct svalue **mark_sp; extern struct svalue evaluator_stack[EVALUATOR_STACK_SIZE]; extern struct frame *fp; /* frame pointer */ #endif