Is a compiler created with SableCC covered by any license?

[Oskar]

I read on https://www.gnu.org/licenses/gpl-faq.html#CanIUseGPLToolsForNF that

"Some programs copy parts of themselves into the output for technical reasons—for example, Bison copies a standard parser program into its output file. In such cases, the copied text in the output is covered by the same license that covers it in the source code. Meanwhile, the part of the output which is derived from the program's input inherits the copyright status of the input."

What is the case for SableCC?

[Etienne Gagnon]

Hi Oscar,

I consider the code produced by SableCC to be a derivative of the input grammar, not a derivative of SableCC. The use of precoded text patterns to produce output code does not make output code a derivative of SableCC.

In other words, the important thing, from a copyright point of view, is to determine is the copyright holder of the grammar specification. This copyright naturally extends to output code, as output code is a clearly derived from the grammar.

Regards,

Etienne

Etienne Gagnon, Ph.D.
http://sablecc.org

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