[Swig-devel] [ swig-Bugs-2549217 ] Cannot access struct object within struct

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Bugs item #2549217, was opened at 2009-01-30 14:16
Message generated for change (Comment added) made by olly
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Category: php
Group: None
>Status: Closed
>Resolution: Fixed
Priority: 5
Private: No
Submitted By: Barry Cohen (barrycohen)
Assigned to: Olly Betts (olly)
Summary: Cannot access struct object within struct

Initial Comment:
Using SWIG 1.3.37, it doesn't seem to be possible to get access to a non-primitive object declared within a struct/class.  Consider the following:

struct bar
{
  int get4()
  {
    return 4;
  }
};

struct foo
{
  bar a;
};

>From PHP, I would expect to be able to do:

$myfoo = new foo();
printf($myfoo->{"a"}->get4() . "\n");

but the error is:

  PHP Fatal error:  Call to a member function get4() on a non-object

$myfoo->{"a"} returns a resource instead of an object.

Perhaps this is a problem with my PHP syntax, but this process works as expected in Python and PHP.  Is it possible to access the get4() function through foo?

A complete example is attached.

Thanks

Barry

----------------------------------------------------------------------

>Comment By: Olly Betts (olly)
Date: 2009-08-17 09:50

Message:
Fixed in trunk r11619.

I need to remove the attempts to print objects from your example (that
won't work without defining a __toString() method), but then it passes with
this change.

----------------------------------------------------------------------

Comment By: Olly Betts (olly)
Date: 2009-06-30 14:44

Message:
Kevin's no longer active in SWIG so reassigning to myself.

I don't know about $myfoo->{"a"}, but we document this should be usable as
$myfoo->a and I bet that doesn't currently work as we don't check for a
resource and wrap it in the __get() method we generate.gets wrapped.

What's missing is the check for a resource and returning it wrapped in a
PHP5 object, as happens for a method returning a class.

----------------------------------------------------------------------

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