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Cling: An Interactive, JIT-Based C++ Interpreter

Compiler

Published on 16 September 2013 10:42 AM EDT
Written by Michael Larabel in Compiler
5 Comments

After writing about ClangFormat yesterday as an interesting LLVM project that leverages Clang to automatically reformat C/C++ source-code, a Phoronix reader wrote in about another interesting project, Cling. Cling is an interactive C++ interpreter that uses Clang for Just-In-Time compilation.

Phoronix reader Nicola Mori wrote in about Cling as a CERN research project that's interesting and worthy of a shout out.

Cling is an LLVM/Clang-based C++ interpreter with the advantages according to its developers being a command-line prompt and its using JIT compilation of the C++ code. The ultimate desire is to have a contemporary, high-performance alternative C++ interpreter for their ROOT project.

With leveraging the Clang compiler front-end, Cling can already handle all of the C++ code supported by upstream. The Cling project has been going on for a few years and it's making good headway as a C++ interpreter as shown by their own performance study, plus other data available from the project web-site.

For those wanting to learn more about the Cling C++ interpreter, visit CERN.ch.

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