pike.git/ src/ pike_types.c

1999-10-25

1999-10-25 10:17:48 by Fredrik Hübinette (Hubbe) <hubbe@hubbe.net>

• b2d75f78d54cabdcfffbc0cb9a5e7899455aa92e (96 lines) (+65/-31) ^{[ Show | Annotate ]}
  Branch: 7.9

improved typechecking

Rev: src/pike_types.c:1.57
Rev: src/pike_types.h:1.22

5:   \*/   /**/   #include "global.h" - RCSID("$Id: pike_types.c,v 1.56 1999/06/03 01:39:36 hubbe Exp $"); + RCSID("$Id: pike_types.c,v 1.57 1999/10/25 10:17:47 hubbe Exp $");   #include <ctype.h>   #include "svalue.h"   #include "pike_types.h"
103:      void init_types(void)   { - #define CONSTTYPE(X) make_shared_binary_string(X,CONSTANT_STRLEN(X)) +     string_type_string = CONSTTYPE(tString);    int_type_string = CONSTTYPE(tInt);    object_type_string = CONSTTYPE(tObj);
1772:    return tmp;   }    +  + struct pike_string *zzap_function_return(char *a, INT32 id) + { +  switch(EXTRACT_UCHAR(a)) +  { +  case T_OR: +  { +  struct pike_string *ar, *br, *ret=0; +  a++; +  ar=zzap_function_return(a,id); +  br=zzap_function_return(a+type_length(a),id); +  if(ar && br) ret=or_pike_types(ar,br); +  if(ar) free_string(ar); +  if(br) free_string(br); +  return ret; +  } +  +  case T_FUNCTION: +  type_stack_mark(); +  push_type_int(id); +  push_type(1); +  push_type(T_OBJECT); +  +  type_stack_mark(); +  a++; +  while(EXTRACT_UCHAR(a)!=T_MANY) +  { +  type_stack_mark(); +  push_unfinished_type(a); +  type_stack_reverse(); +  a+=type_length(a); +  } +  a++; +  push_type(T_MANY); +  type_stack_mark(); +  push_unfinished_type(a); +  type_stack_reverse(); +  type_stack_reverse(); +  push_type(T_FUNCTION); +  return pop_unfinished_type(); +  } + } +    struct pike_string *get_type_of_svalue(struct svalue *s)   {    struct pike_string *ret;
1818:    type_stack_mark();    if(s->u.object->prog)    { + #ifdef AUTO_BIGNUM +  if(is_bignum_object(s->u.object)) +  { +  push_type_int(MAX_INT32); +  push_type_int(MIN_INT32); +  push_type(T_INT); +  } +  else + #endif +  {    push_type_int(s->u.object->prog->id);    push_type(1); -  +  push_type(T_OBJECT); +  }    }else{    push_type_int(0);    push_type(0); -  } +     push_type(T_OBJECT); -  +  }    return pop_unfinished_type();       case T_INT:    if(s->u.integer)    {    type_stack_mark(); -  /* Fixme, check that the integer is in range of MIN_INT32 .. MAX_INT32!*/ +  /* Fixme, check that the integer is in range of MIN_INT32 .. MAX_INT32! +  */    push_type_int(s->u.integer);    push_type_int(s->u.integer);    push_type(T_INT);
1845:    case T_PROGRAM:    {    char *a; +  struct pike_string *tmp;    int id=FIND_LFUN(s->u.program,LFUN_CREATE);    if(id>=0)    {
1852:    }else{    a=function_type_string->str;    } -  if(EXTRACT_UCHAR(a)==T_FUNCTION) -  { -  type_stack_mark(); -  push_type_int(s->u.program->id); -  push_type(1); -  push_type(T_OBJECT); -  -  type_stack_mark(); -  a++; -  while(EXTRACT_UCHAR(a)!=T_MANY) -  { -  type_stack_mark(); -  push_unfinished_type(a); -  type_stack_reverse(); -  a+=type_length(a); +  if((tmp=zzap_function_return(a, s->u.program->id))) +  return tmp;    } -  a++; -  push_type(T_MANY); -  type_stack_mark(); -  push_unfinished_type(a); -  type_stack_reverse(); -  type_stack_reverse(); -  push_type(T_FUNCTION); -  return pop_unfinished_type(); -  } -  } +        default:    type_stack_mark();