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[gnu-soc] GSOC 2023 project ideas for GnuCOBOL

From: Simon Sobisch
Subject: [gnu-soc] GSOC 2023 project ideas for GnuCOBOL
Date: Wed, 8 Feb 2023 01:02:01 +0100
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GnuCOBOL is a free, modern COBOL compiler. It implements a substantial part of the COBOL 85, X/Open COBOL and newer ISO COBOL standards (2002, 2014, 2023), as well as many extensions included in other COBOL compilers (IBM COBOL, MicroFocus COBOL, ACUCOBOL-GT and others).

GnuCOBOL translates COBOL into C and internally compiles the translated code using a native C compiler, therefore works on nearly every platform.

Address for contact:

Project Ideas:

1 compiler building: rewrite the "listing" code so that it is done in the parser/lexer (GnuCOBOL currently process the code nearly twice if this is requested, using different code, so the result is sometimes different and obviously that isn't well in general) - the output format and tests are already there (may change where useful)

2 compiler building: modernize error handling with the goal that user-visible diagnostic showing the problematic code along to the diagnostic "similar to current GCC", furthermore an option to output in xml/json would be nice

3 compiler and runtime: add handling for source-code in different encodings than the "target" (for example as ISO-8859-15, with the target of UTF-8) and conversion for data between encodings, for example (extended ASCII encodings to UTF-16/UTF32<->UTF8 and vice versa)

4 (mostly) runtime: extending screenio (currently curses-based) to allow use of web-clients

Skills necessary to do the work:

1-4  C
1+2  bison/flex
3    iconv
4    web frontends and experience to couple those with C backends,
     ideally without the need for an additional web-server

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