Quellcode-Bibliothek README.thy

Sprache: Isabelle

(******************************************************************************
* Isabelle/C
*
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(* Authors: Frédéric Tuong, Burkhart Wolff *)

theory README imports Main begin

section ‹Isabelle/C›

text ‹
/C contains a C99/C11/C18 front-end support for Isabelle. The front-end is actually composed
two possibly interchangeable parsers (from two different projects):

▪ 🍋‹C11-FrontEnd›: 🪙‹https://hackage.haskell.org/package/language-c›
▪ 🪙‹https://gitlri.lri.fr/ftuong/isabelle_c/tree/C/C18-FrontEnd›:
🪙‹https://github.com/jhjourdan/C11parser›

present, the recommended and default version is C11.
›

section ‹Getting started›

text ‹ A first installation step is:
▪ 🍋‹isabelle build -D› 🍋‹.›
›
text ‹ which should work out of the box.
›

text ‹ The following C examples or entry-points of documentation can be executed:

▪ 🍋‹isabelle jedit -d› 🍋‹.› 🍋‹C11-FrontEnd/examples/C0.thy›
▪ 🍋‹isabelle jedit -d› 🍋‹.› 🍋‹C11-FrontEnd/examples/C2.thy›
▪ 🍋‹isabelle jedit -d› 🍋‹.› 🍋‹C11-FrontEnd/examples/C1.thy›
▪ 🍋‹isabelle jedit -d› 🍋‹.› 🍋‹C11-FrontEnd/appendices/C_Appendices.thy›
›

text ‹
▪ The example 🍋‹C11-FrontEnd/examples/C0.thy› is basically used to
the faithfulness of the C11 parser implementation.
▪ The example 🍋‹C11-FrontEnd/examples/C2.thy› shows common cases of C and
editing support in PIDE; it also contains annotation commands without any semantics.
▪ The example 🍋‹C11-FrontEnd/examples/C1.thy› is a show-case for markup
and the use of bindings resulting from the static C environment.
▪ The example 🍋‹C11-FrontEnd/appendices/C_Appendices.thy› shows the use of
/C documentation facilities.
›

text ‹
AFP version of Isabelle/C does not include semantic back-ends (these are distributed by other
submissions or available via the web; see below). The structure of 🍋‹.› has
designed to create a directory ‹C11-BackEnds› into which back-ends can be
. The structure of 🍋‹.› is actually similar as
🪙‹https://gitlri.lri.fr/ftuong/isabelle_c›: see for example
🪙‹https://gitlri.lri.fr/ftuong/isabelle_c/tree/C/C11-BackEnds› where several
-ends can be copied and tried.
›

subsection ‹Isabelle/C/README›

text ‹
🍋‹README.md› is automatically generated from 🍋‹README.thy›
🪙‹https://gitlri.lri.fr/ftuong/isabelle_c/blob/C/README.sh›.
›

text ‹ Note that this shell-script requires the prior installation of
🍋‹pandoc› (🪙‹https://github.com/jgm/pandoc›).
›

section ‹Authors›

text ‹
▪ Frédéric Tuong (🪙‹https://www.lri.fr/~ftuong›)
▪ Burkhart Wolff (🪙‹https://www.lri.fr/~wolff›)
›

section ‹License›

text ‹
/C is licensed under a 3-clause BSD-style license (where certain files are in the HPND
compatible with the 3-clause BSD).

more details:
▪ The generated files 🍋‹C11-FrontEnd/generated/c_ast.ML› and
🍋‹C11-FrontEnd/generated/c_grammar_fun.grm› are mixing several source code of
different projects:
▪ In 3-clause BSD: the part representing the Haskell Language.C library.
▪ In 2-clause BSD: the C99 AST in HOL (before reflection to SML) adapted from the original
one in the L4.verified project.
▪ In 3-clause BSD: the HOL translation C11 to C99 from the Securify project.
▪ In 3-clause BSD: any other binding and translations of meta-models from the Citadelle
project.
▪ In 3-clause BSD: the two combined generators generating
🍋‹C11-FrontEnd/generated/c_ast.ML› based on some modified version of Haskabelle
and Citadelle.
▪ In 3-clause BSD: the Happy modified generator generating
🍋‹C11-FrontEnd/generated/c_grammar_fun.grm›
▪ In HPND: the ML-Yacc modified generator generating the two
🍋‹C11-FrontEnd/generated/c_grammar_fun.grm.sig› and
🍋‹C11-FrontEnd/generated/c_grammar_fun.grm.sml› (i.e., the ML-Yacc version of
MLton).
▪ In HPND: the modified grammar library of ML-Yacc loaded in
🍋‹C11-FrontEnd/src/C_Parser_Language.thy›.
▪ In 3-clause BSD: the remaining files in 🍋‹C11-FrontEnd/src› constituting
Isabelle/C core implementation.
▪ Most examples in 🍋‹C11-FrontEnd/examples› are in 3-clause BSD, some are
used for quotation purposes to test the Isabelle/C lexer (hyperlinks around each example detail
their provenance).
›

end

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