void JitInstanceMemberFunction::setClosures()
{
if(isVirtual())
{
m_pSubroutine->setClosure(jit_function_to_closure((jit_function_t)m_jit_virtual_indirection_function.function));
Class* pClass = getInstanceMemberFunction()->getOwnerClass();
for(auto it = pClass->beginVirtualMemberFunctionTables(); it != pClass->endVirtualMemberFunctionTables(); ++it)
{
size_t uiOffset = (*it)->getOffset();
auto it = m_ThisAdjustmentThunks.find(uiOffset);
if(it == m_ThisAdjustmentThunks.end())
{
// No thunk needed, use directly the function as the vtable pointer
getInstanceMemberFunction()->setVTableClosure(uiOffset, jit_function_to_vtable_pointer((jit_function_t)m_jit_function.function));
}
else
{
// Thunk needed
getInstanceMemberFunction()->setVTableClosure(uiOffset, jit_function_to_vtable_pointer((jit_function_t)it->second.function));
}
}
}
else
{
m_pSubroutine->setClosure(jit_function_to_closure((jit_function_t)m_jit_function.function));
}
}
phantom::generic_member_func_ptr JitInstanceMemberFunction::getGenericMemberFunctionPointer() const
{
generic_member_func_ptr ptr;
if(isVirtual())
{
ptr.setClosurePointer(jit_function_to_closure((jit_function_t)m_jit_virtual_indirection_function.function));
}
else
{
ptr.setClosurePointer(jit_function_to_closure((jit_function_t)m_jit_function.function));
}
return ptr;
}
block_func_t compile_function(jit_function_t func) {
//jit_dump_function(stdout, func, "block");
jit_function_compile(func);
jit_context_build_end(context);
//jit_dump_function(stdout, func, "block");
return (block_func_t) jit_function_to_closure(func);
}
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;
}
