pike.git/ src/ builtin.cmod

2018-12-08

2018-12-08 16:04:52 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• 4664e1b2db67790528b3c01f8ba626a795016908 (36 lines) (+28/-8) ^{[ Show | Annotate ]}
  Branch: master

EFUNs: m_clear() now supports multisets and objects.

Adds LFUN _m_clear().

1671:    }   }    - /*! @decl void m_clear(mapping map) + /*! @decl void m_clear(mapping|multiset|object map)    *! -  *! Clear the contents of a mapping. +  *! Clear the contents of a mapping or multiset.    *! -  *! This function clears the content of the mapping @[map] so -  *! that it becomes empty. This is an atomic operation. +  *! This function clears the content of the mapping +  *! or multiset @[map] so that it becomes empty. +  *! This is an atomic operation.    *! -  +  *! If @[map] is an object @[lfun::_m_clear()] will be called +  *! in it. +  *!    *! @seealso    *! @[m_delete()]    */   PMOD_EXPORT - PIKEFUN void m_clear(mapping map) -  efun + PIKEFUN void m_clear(mapping|multiset|object map) +  efun;    optflags OPT_SIDE_EFFECT;   { -  /* FIXME: Add an LFUN__M_CLEAR analogous with LFUN__M_DELETE? */ -  clear_mapping(map); +  struct program *p; +  if (TYPEOF(*map) == PIKE_T_MAPPING) { +  clear_mapping(map->u.mapping); +  } else if (TYPEOF(*map) == PIKE_T_MULTISET) { +  clear_multiset(map->u.multiset); +  } else if ((TYPEOF(*map) == PIKE_T_OBJECT) && (p = map->u.object->prog)) { +  int id = FIND_LFUN(p->inherits[SUBTYPEOF(*map)].prog, LFUN__M_CLEAR); +  if( id == -1 ) { +  SIMPLE_ARG_TYPE_ERROR("m_clear", 1, "object with lfun::_m_clear()");    } -  +  apply_low(map->u.object, +  id + p->inherits[SUBTYPEOF(*map)].identifier_level, 0); +  pop_stack(); +  } else { +  SIMPLE_ARG_TYPE_ERROR("m_clear", 1, "mapping|multiset"); +  } +  pop_n_elems(args); + }      /*! @decl int get_weak_flag(array|mapping|multiset m)    *!