factor/extra/llvm/wrappers/wrappers.factor

63 lines
1.8 KiB
Factor

! Copyright (C) 2009 Matthew Willis.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien.c-types alien.data alien.strings
io.encodings.utf8 destructors kernel
llvm.core llvm.engine ;
IN: llvm.wrappers
: llvm-throw ( c-string -- )
[ utf8 alien>string ] [ LLVMDisposeMessage ] bi throw ;
: <dispose> ( alien class -- disposable ) new swap >>value ;
TUPLE: module value disposed ;
M: module dispose* value>> LLVMDisposeModule ;
: <module> ( name -- module )
LLVMModuleCreateWithName module <dispose> ;
TUPLE: provider value module disposed ;
M: provider dispose* value>> LLVMDisposeModuleProvider ;
: (provider) ( module -- provider )
[ value>> LLVMCreateModuleProviderForExistingModule provider <dispose> ]
[ t >>disposed value>> ] bi
>>module ;
: <provider> ( module -- provider )
[ (provider) ] with-disposal ;
TUPLE: engine value disposed ;
M: engine dispose* value>> LLVMDisposeExecutionEngine ;
: (engine) ( provider -- engine )
[
value>> f void* <ref> f void* <ref>
[ swapd 0 swap LLVMCreateJITCompiler drop ] 2keep
void* deref [ llvm-throw ] when* void* deref
]
[ t >>disposed drop ] bi
engine <dispose> ;
: <engine> ( provider -- engine )
[ (engine) ] with-disposal ;
: (add-block) ( name -- basic-block )
"function" swap LLVMAppendBasicBlock ;
TUPLE: builder value disposed ;
M: builder dispose* value>> LLVMDisposeBuilder ;
: <builder> ( name -- builder )
(add-block) LLVMCreateBuilder [ swap LLVMPositionBuilderAtEnd ] keep
builder <dispose> ;
TUPLE: buffer value disposed ;
M: buffer dispose* value>> LLVMDisposeMemoryBuffer ;
: <buffer> ( path -- module )
f void* <ref> f void* <ref>
[ LLVMCreateMemoryBufferWithContentsOfFile drop ] 2keep
void* deref [ llvm-throw ] when* void* deref buffer <dispose> ;