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43 lines
1.8 KiB
43 lines
1.8 KiB
Facebook Clang Plugins
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======================
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This [repository](https://github.com/facebook/facebook-clang-plugins) aims to share some useful clang plugins developed at Facebook. They are mostly used by [infer](https://github.com/facebook/infer).
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It contains frontend plugins to the [clang compiler](http://clang.llvm.org/) to process the syntax of source files directly to accomplish more general tasks; specifically, we have developed a clang-to-ocaml bridge to make code analyses easier.
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Structure of the repository
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---------------------------
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- [`libtooling`](https://github.com/facebook/facebook-clang-plugins/tree/master/libtooling) : frontend plugins (currently a clang-to-json AST exporter),
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- [`clang-ocaml`](https://github.com/facebook/facebook-clang-plugins/tree/master/clang-ocaml) : OCaml libraries to process the JSON output of frontend plugins,
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Quick start
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-----------
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The current version of the plugins requires recent version of the clang compiler, re-compiled from source. Clang source which is used by this project can be found in `clang/src/`
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General instructions to compile clang can be found here: http://clang.llvm.org/get_started.html
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To compile and use the required version of clang, please run ./clang/setup.sh.
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Using this script should make the variable CLANG_PREFIX unnecessary to compile the plugin.
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Caveat:
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- Because of the nature of C++, clang and the plugins need to be compiled with the exact same C++ libraries.
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- Also, the default stripping command of clang in release mode breaks plugins.
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Once the target compiler is installed, `make test` should run the unit tests.
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OCaml users may also run:
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```
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make -C clang-ocaml test #requires proper ocaml libraries, see included clang-ocaml/README
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```
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Additional configuration options are available in `Makefile.config`.
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Licence
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-------
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The plugins are MIT-licensed.
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