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