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Introduce finalizer module to manage finalization of C resources.

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This commit is contained in:
Siu Kwan Lam 2013-01-03 13:58:08 -06:00
commit bc20661343
7 changed files with 110 additions and 40 deletions
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25
llvm/ee.py
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@ -56,7 +56,7 @@ BO_LITTLE_ENDIAN = 1
# Generic value
#===----------------------------------------------------------------------===
class GenericValue(object):
class GenericValue(llvm.Handle):
@staticmethod
def int(ty, intval):
@ -99,10 +99,9 @@ class GenericValue(object):
return GenericValue(ptr)
def __init__(self, ptr):
self.ptr = ptr
llvm.Handle.__init__(self, ptr)
def __del__(self):
_core.LLVMDisposeGenericValue(self.ptr)
_finalizer = _core.LLVMDisposeGenericValue
def as_int(self):
return _core.LLVMGenericValueToInt(self.ptr, 0)
@ -128,7 +127,7 @@ def _unpack_generic_values(objlist):
# Engine builder
#===----------------------------------------------------------------------===
class EngineBuilder(object):
class EngineBuilder(llvm.Handle):
@staticmethod
def new(module):
core.check_is_module(module)
@ -137,11 +136,10 @@ class EngineBuilder(object):
return EngineBuilder(obj, module)
def __init__(self, ptr, module):
self.ptr = ptr
llvm.Handle.__init__(self, ptr)
self._module = module
def __del__(self):
_core.LLVMDisposeEngineBuilder(self.ptr)
_finalizer = _core.LLVMDisposeEngineBuilder
def force_jit(self):
_core.LLVMEngineBuilderForceJIT(self.ptr)
@ -193,7 +191,7 @@ class EngineBuilder(object):
# Execution engine
#===----------------------------------------------------------------------===
class ExecutionEngine(object):
class ExecutionEngine(llvm.Handle):
@staticmethod
def new(module, force_interpreter=False):
@ -205,11 +203,10 @@ class ExecutionEngine(object):
return ExecutionEngine(ret, module)
def __init__(self, ptr, module):
self.ptr = ptr
llvm.Handle.__init__(self, ptr)
module._own(self)
def __del__(self):
_core.LLVMDisposeExecutionEngine(self.ptr)
_finalizer = _core.LLVMDisposeExecutionEngine
def run_function(self, fn, args):
core.check_is_function(fn)
@ -299,7 +296,9 @@ class TargetMachine(llvm.Ownable):
return TargetMachine(ptr)
def __init__(self, ptr):
llvm.Ownable.__init__(self, ptr, _core.LLVMDisposeTargetMachine)
llvm.Ownable.__init__(self, ptr)
_finalizer = _core.LLVMDisposeTargetMachine
def emit_assembly(self, module):
'''returns byte string of the module as assembly code of the target machine