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20 lines
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20 lines
2.2 KiB
Plaintext
[[Property:title|CECIL]]
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[[Property:weight|3]]
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[[Property:uuid|c03112b8-578e-cc1a-ee13-c6928b787529]]
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This document provides an overview of the C-Eiffel Call-In Library (CECIL) as defined in Eiffel: The Language (ETL). The first section addresses how to compile and run a CECIL program, on the [[Compiling an Eiffel system for CECIL|Eiffel side]] and on the [[Using a CECIL archive|C side]] . The [[CECIL interface overview|second part]] contains a more precise description of the Eiffel types, the protection mechanism as well as how to write and use C externals.
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CECIL, designed by Eiffel Software , is the C library that permits C and C++ applications (as well as applications written in other languages) to take advantage of almost all Eiffel facilities: create Eiffel objects, apply features to them. The basics of CECIL are described in chapter 24 of the reference book on Eiffel, Eiffel: The Language, which covers interfaces between Eiffel and other languages. Important material can also be found in the Eiffel Software manual Eiffel: The Environment.
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The CECIL documentation, man pages and examples are part of the standard delivery of EiffelStudio 5.0 and higher.
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The present document complements the descriptions of Eiffel: The Language. Note that CECIL has been revised and improved since that book was published, so the explanations below have precedence over those in the book.
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This document is intended for both Windows and Unix users. Only a few of the sections, clearly marked, are platform-specific.
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To access Eiffel mechanisms from C or other external languages:
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* Compile your Eiffel system so as to generate "Cecilized" code, that is to say code callable from the outside. See [[Compiling an Eiffel system for CECIL|Compiling your Eiffel system for CECIL]] .
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* In writing the external code that will use the facilities of the Eiffel system, use the CECIL functions as specified in chapter 24 of ''Eiffel: The Language''. See also [[CECIL interface overview|The CECIL interface overview]] .
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* C-compile and link that code. See [[Using a CECIL archive|Building a C system using CECIL]] .
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For feature by feature specification, please have a look at [[CECIL Reference|the man pages]] .
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