Cfront is a C++ compiler which came into existence in 1983, and was developed by Bjarne Stroustrup. At that time it was known as "C with Classes". Cfront had a complete parser, symbol tables, and built a tree for each class, function, etc. Cfront was based on CPre. Cfront defined the language until circa 1990. Many of the obscure corner cases in C++, are related to the Cfront implementation limitations. The reason for this, is that Cfront performed translation from C++ to C. In short, Cfront is a sacred artifact for a C++ programmer. So I just couldn't help checking such a project.
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