[특허]Compiler with generic front end and dynamically loadable back ends

Compiler with generic front end and dynamically loadable back ends 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-009/45
출원번호	US-0822110 (1997-03-21)
발명자 / 주소	Levy Jacob Y. Lim Swee Boon Kretsch Donald J. Mitchell Wesley E. Lerner Benjamin
출원인 / 주소	Sun Microsystems, Inc.
대리인 / 주소	Fenwick & West LLP
인용정보	피인용 횟수 : 51 인용 특허 : 0

초록 ▼

A system and method provides for variable target outputs from a compiler with only a single execution. The compiler includes a front end, a generic back end, and plurality of individual back ends that are dynamically loaded by the compiler during execution. The front end produces an abstract syntax tree which is then processed by the generic back end and the individual back ends to produce a number of back end trees, each adapted for a specific back end, and representative of the desired structure of the various target outputs, including target code files, or events. The generic back end traverses the abstract syntax tree, and on each node of the tree, invokes each back end that has a node of its back end tree attached thereto. The back end can then modify its own back end tree, and attach further back end nodes to other nodes of the abstract syntax tree. In turn the generic back end will invoke such added attached nodes, until all attached back end nodes on all the nodes of the abstract syntax tree have been processed. This results in completed back end trees for all of the back ends, requiring only a single pass of the front end to produce the abstract syntax tree. The individual back ends then process their respective back end trees to produce their target outputs. A look up operation is provided in the generic back end that returns one or more back end nodes in response to a request therefore specifying a node of the abstract syntax tree, and a family identification value of a back end node.

대표청구항 ▼

[ We claim:] [1.] An apparatus for compiling a source code file and producing variable target outputs therefrom, the apparatus comprising:a front end that accepts the source code file and produces therefrom an abstract syntax tree that represents the syntactic structure of the source code file, the abstract syntax tree having at least one abstract syntax tree node;at least one back end that produces an associated back end tree from the abstract syntax tree, and further produces from the back end tree a target output, the back end tree having at least one back end tree node attached to an abstract syntax tree node; anda generic back end that controls and sequences execution of the at least one back end to produce an associated back end tree from each back end, wherein each back end is independent of the generic back end and is dynamically loaded by the apparatus during execution.

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총 건의 자료가 검색되었습니다.

다운받으실 자료의 인덱스를 입력하세요. (1-10,000)

검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다.

데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요)

다운로드 파일은 UTF-8 형태로 저장됩니다.
파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오.

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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Compiler with generic front end and dynamically loadable back ends 원문보기

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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Compiler with generic front end and dynamically loadable back ends 원문보기

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