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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@5319 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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Dave Beazley 2003-11-13 17:02:30 +00:00
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21
Examples/test-suite/aggregate.i
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@ -3,25 +3,16 @@
%aggregate_check() works. This is defined in swig.swg.
Next, it checks to make sure a simple contract works.
To support contracts, you need to add a collection of
macros to the runtime. For python, they look like this:
To support contracts, you need to add a macro to the runtime.
For Python, it looks like this:
#define SWIG_preassert(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
#define SWIG_postassert(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
#define SWIG_contract_assert(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
#define SWIG_inherit_preassert(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
#define SWIG_inherit_postassert(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
#define SWIG_invariant(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
#define SWIG_invariant_begin(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
#define SWIG_invariant_end(expr, msg) if (!(expr)) { PyErr_SetString(PyExc_RuntimeError, (char *) msg #expr ); goto fail; } else
Note: They are used like this:
SWIG_preassert(x == 1, "Some kind of error message");
Note: It is used like this:
SWIG_contract_assert(x == 1, "Some kind of error message");
Note: Contracts are still experimental. The runtime interface may
change in future versions. Also, it's a bit nasty since these
macros need to throw exceptions and get out of the wrapper. Sorry.
change in future versions.
*/
%module aggregate