bool LibJITFormula::buildFunction ()
{
// Create a context
jit_context_t context;
context = jit_context_create ();
jit_context_build_start (context);
// Create a signature for double (*func)();
jit_type_t signature;
signature = jit_type_create_signature (jit_abi_cdecl, jit_type_float64,
NULL, 0, 1);
// Create a function
function = jit_function_create (context, signature);
// Return the result of compiling the whole mess
jit_value_t val;
val = (jit_value_t)parseTree->generate (this);
if (!val)
return false;
jit_insn_return (function, val);
jit_context_build_end (context);
if (!jit_function_compile (function))
{
jit_function_abandon (function);
return false;
}
func = (FunctionPointer)jit_function_to_closure (function);
if (!func)
{
jit_function_abandon (function);
return false;
}
return true;
}
static void
function_dealloc(PyJitFunction *self)
{
if (self->weakreflist)
PyObject_ClearWeakRefs((PyObject *)self);
if (self->function) {
PYJIT_BEGIN_ALLOW_EXCEPTION
if (pyjit_weak_cache_delitem(function_cache,
(long)self->function) < 0) {
PYJIT_TRACE("this shouldn't have happened");
abort();
}
PYJIT_END_ALLOW_EXCEPTION
jit_function_abandon(self->function);
}