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cppclean

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Goal

cppclean attempts to find problems in C++ source that slow development in large code bases, for example various forms of unused code. Unused code can be unused functions, methods, data members, types, etc to unnecessary #include directives. Unnecessary #includes can cause considerable extra compiles increasing the edit-compile-run cycle.

This is a fork of the original cppclean project. The original project home page, (which no longer contains code) is: https://code.google.com/p/cppclean/

Features

  • Find and print C++ language constructs: classes, methods, functions, etc.

  • Find classes with virtual methods, no virtual destructor, and no bases

  • Find global/static data that are potential problems when using threads

  • Unnecessary forward class declarations

  • Unnecessary function declarations

  • Undeclared function definitions

  • Find unnecessary header files #included
    • No direct reference to anything in the header

    • Header is unnecessary if classes were forward declared instead

  • (planned) Source files that reference headers not directly #included, ie, files that rely on a transitive #include from another header

  • (planned) Unused members (private, protected, & public) methods and data

AST is Abstract Syntax Tree, a representation of parsed source code. http://en.wikipedia.org/wiki/Abstract_syntax_tree

Installation

$ pip install --upgrade cppclean

Run

$ cppclean <path>

Multiple include paths can be specified:

$ cppclean --include-path=directory1 --include-path=directory2 <path>

Current status

The parser works pretty well for header files, parsing about 99% of Google’s header files. Anything which inspects structure of C++ source files should work reasonably well. Function bodies are not transformed to an AST, but left as tokens. Such work is still needed on finding unused header files and storing an AST in a database.

Non-goals

  • Parsing all valid C++ source

  • Handling invalid C++ source gracefully

  • Compiling to machine code (or anything beyond an AST)

Release files for cppclean 0.1.2

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for cppclean 0.1.2
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Release files / cppclean-0.1.2.tar.gz

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