def _compile(expr, args):
ir_gen = IRGenerator(expr, args, "mathics")
llvm_ir, ret_type = ir_gen.generate_ir()
mod = compile_ir(engine, llvm_ir)
# lookup function pointer
func_ptr = engine.get_function_address("mathics")
# run function via ctypes
cfunc = CFUNCTYPE(llvm_to_ctype(ret_type), *(llvm_to_ctype(arg.type) for arg in args))(func_ptr)
return cfunc
def _compile(expr, args):
ir_gen = IRGenerator(expr, args, "mathics")
llvm_ir, ret_type = ir_gen.generate_ir()
mod = compile_ir(engine, llvm_ir)
# lookup function pointer
func_ptr = engine.get_function_address("mathics")
# run function via ctypes
cfunc = CFUNCTYPE(llvm_to_ctype(ret_type),
*(llvm_to_ctype(arg.type) for arg in args))(func_ptr)
return cfunc
def add_caller(self, py_f, ret_type, args):
'''
Inserts a caller to a python function
'''
# see http://eli.thegreenplace.net/2015/calling-back-into-python-from-llvmlite-jited-code/
c_func_type = ctypes.CFUNCTYPE(llvm_to_ctype(ret_type), *(llvm_to_ctype(arg.type) for arg in args))
c_func = c_func_type(py_f)
c_func_addr = ctypes.cast(c_func, ctypes.c_void_p).value
addrcaller_func_type = ir.FunctionType(ret_type, [arg.type for arg in args])
cb_func_ptr_type = addrcaller_func_type.as_pointer()
f = self.builder.inttoptr(int_type(c_func_addr), cb_func_ptr_type, name='f')
call = self.builder.call(f, args)
if call.type == void_type:
return self.builder.ret_void()
return call
def add_caller(self, py_f, ret_type, args):
'''
Inserts a caller to a python function
'''
# see http://eli.thegreenplace.net/2015/calling-back-into-python-from-llvmlite-jited-code/
c_func_type = ctypes.CFUNCTYPE(
llvm_to_ctype(ret_type),
*(llvm_to_ctype(arg.type) for arg in args))
c_func = c_func_type(py_f)
c_func_addr = ctypes.cast(c_func, ctypes.c_void_p).value
addrcaller_func_type = ir.FunctionType(ret_type,
[arg.type for arg in args])
cb_func_ptr_type = addrcaller_func_type.as_pointer()
f = self.builder.inttoptr(int_type(c_func_addr),
cb_func_ptr_type,
name='f')
call = self.builder.call(f, args)
if call.type == void_type:
return self.builder.ret_void()
return call
