| 摘要 |
PCT No. PCT/EP90/01804 Sec. 371 Date May 28, 1992 Sec. 102(e) Date May 28, 1992 PCT Filed Oct. 24, 1990 PCT Pub. No. WO91/08534 PCT Pub. Date Jun. 13, 1991.In contrast to previous methods, for example for LISP systems, a central function caller with its complex status inquiries is not required, since a data structure with a link header is provided, to which directly executable execution code is always chained. Depending on the type of function and depending on the respective status of a definition of the program element, it is possible to provide here as execution code an error interface for undefined functions, a simulator interface for functions to be simulated, an interpreter interface for functions to be interpreted or a compiled program section for already compiled functions. As a result of dispensing with the status inquiries, it is possible to achieve considerable acceleration of the program execution, in particular for LISP systems, in which a function call often occurs for usually only short function operations.
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