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101 lines
4.3 KiB
101 lines
4.3 KiB
4 months ago
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=======================
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External Clang Examples
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=======================
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Introduction
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============
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This page provides some examples of the kinds of things that people have
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done with Clang that might serve as useful guides (or starting points) from
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which to develop your own tools. They may be helpful even for something as
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banal (but necessary) as how to set up your build to integrate Clang.
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Clang's library-based design is deliberately aimed at facilitating use by
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external projects, and we are always interested in improving Clang to
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better serve our external users. Some typical categories of applications
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where Clang is used are:
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- Static analysis.
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- Documentation/cross-reference generation.
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If you know of (or wrote!) a tool or project using Clang, please send an
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email to Clang's `development discussion mailing list
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<https://lists.llvm.org/mailman/listinfo/cfe-dev>`_ to have it added.
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(or if you are already a Clang contributor, feel free to directly commit
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additions). Since the primary purpose of this page is to provide examples
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that can help developers, generally they must have code available.
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List of projects and tools
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==========================
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`<https://github.com/Andersbakken/rtags/>`_
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"RTags is a client/server application that indexes c/c++ code and keeps
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a persistent in-memory database of references, symbolnames, completions
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etc."
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`<https://rprichard.github.com/sourceweb/>`_
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"A C/C++ source code indexer and navigator"
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`<https://github.com/etaoins/qconnectlint>`_
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"qconnectlint is a Clang tool for statically verifying the consistency
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of signal and slot connections made with Qt's ``QObject::connect``."
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`<https://github.com/woboq/woboq_codebrowser>`_
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"The Woboq Code Browser is a web-based code browser for C/C++ projects.
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Check out `<https://code.woboq.org/>`_ for an example!"
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`<https://github.com/mozilla/dxr>`_
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"DXR is a source code cross-reference tool that uses static analysis
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data collected by instrumented compilers."
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`<https://github.com/eschulte/clang-mutate>`_
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"This tool performs a number of operations on C-language source files."
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`<https://github.com/gmarpons/Crisp>`_
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"A coding rule validation add-on for LLVM/clang. Crisp rules are written
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in Prolog. A high-level declarative DSL to easily write new rules is under
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development. It will be called CRISP, an acronym for *Coding Rules in
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Sugared Prolog*."
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`<https://github.com/drothlis/clang-ctags>`_
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"Generate tag file for C++ source code."
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`<https://github.com/exclipy/clang_indexer>`_
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"This is an indexer for C and C++ based on the libclang library."
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`<https://github.com/holtgrewe/linty>`_
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"Linty - C/C++ Style Checking with Python & libclang."
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`<https://github.com/axw/cmonster>`_
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"cmonster is a Python wrapper for the Clang C++ parser."
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`<https://github.com/rizsotto/Constantine>`_
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"Constantine is a toy project to learn how to write clang plugin.
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Implements pseudo const analysis. Generates warnings about variables,
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which were declared without const qualifier."
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`<https://github.com/jessevdk/cldoc>`_
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"cldoc is a Clang based documentation generator for C and C++.
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cldoc tries to solve the issue of writing C/C++ software documentation
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with a modern, non-intrusive and robust approach."
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`<https://github.com/AlexDenisov/ToyClangPlugin>`_
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"The simplest Clang plugin implementing a semantic check for Objective-C.
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This example shows how to use the ``DiagnosticsEngine`` (emit warnings,
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errors, fixit hints). See also `<http://l.rw.rw/clang_plugin>`_ for
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step-by-step instructions."
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`<https://phabricator.kde.org/source/clazy>`_
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"clazy is a compiler plugin which allows clang to understand Qt semantics.
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You get more than 50 Qt related compiler warnings, ranging from unneeded
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memory allocations to misusage of API, including fix-its for automatic
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refactoring."
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`<https://gerrit.libreoffice.org/gitweb?p=core.git;a=blob_plain;f=compilerplugins/README;hb=HEAD>`_
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"LibreOffice uses a Clang plugin infrastructure to check during the build
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various things, some more, some less specific to the LibreOffice source code.
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There are currently around 50 such checkers, from flagging C-style casts and
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uses of reserved identifiers to ensuring that code adheres to lifecycle
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protocols for certain LibreOffice-specific classes. They may serve as
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examples for writing RecursiveASTVisitor-based plugins."
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