pike.git/ src/ builtin.cmod

2019-09-12

2019-09-12 10:03:07 by Henrik Grubbström (Grubba) <grubba@grubba.org>

• 7bdf28258ba3ae42b7b3ce27b14263875ca922fc (42 lines) (+42/-0) ^{[ Show | Annotate ]}
  Branch: master

Compiler [generators]: Added yield().

3916:    f_aggregate_mapping(7*2);   }    + /*! @decl mixed yield(mixed val) +  *! +  *! Stop execution of the current generator function for now, +  *! and return the value @[val]. +  *! +  *! @returns +  *! Evaluates to the first argument passed to the +  *! generator function on restart. +  *! +  *! Calling this special form is similar to the statement: +  *! +  *! @code +  *! continue return val; +  *! @endcode +  *! +  *! This syntax is however an expression and can thus be used +  *! to pass a value back. +  *! +  *! @note +  *! Use of this function is only valid in generator functions. +  *! +  *! @seealso +  *! Generator functions +  */ + PIKEFUN mixed yield(mixed val) +  optfunc optimize_yield; +  prototype; +  efun; + { + } +  + static node *optimize_yield(node *n) + { +  if (n) { +  node *ret = mknode(F_RETURN, CDR(n), mkintnode(2)); +  ADD_NODE_REF(CDR(n)); +  return ret; +  } +  return NULL; + } +    /*! @endmodule    */