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| From | Tom Shields <thomas.evans.shields@gmail.com> |
| Newsgroups | comp.compilers |
| Subject | Announcing Ox release 1.7.1 |
| Date | Sun, 16 Feb 2020 15:15:48 -0600 |
| Organization | Compilers Central |
| Lines | 41 |
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| Keywords | yacc, available |
| Posted-Date | 17 Feb 2020 02:18:48 EST |
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Ox version 1.7.1 is now available on SourceForge (sourceforge.net/projects/ox-attribute-grammar-compiler/). Ox generalizes the function of Yacc in the way that an attribute grammar generalizes a context-free grammar. Ordinary Yacc and Lex specifications may be augmented with definitions of synthesized and inherited attributes written in C syntax. Ox checks these specifications for consistency and completeness, and generates from them a program that builds and decorates attributed parse trees. The user may specify postdecoration traversals for easy ordering of side effects, such as code generation. Ox handles the tedious and error-prone details of writing code for parse-tree management, so its use eases problems of security and maintainability associated with that aspect of translator development. Ox NEWS * Noteworthy changes in release 1.7.1 (15 February 2020) ** Enhancements MinGW-w64 is now a supported host & target environment for Ox. The port was developed using the MinGW-w64 toolchain under Msys2. ** Internals A few standard library functions not supported in the MinGW-w64 libraries are replaced to enable the port, but the majority of the missing functionality is provided by modules imported from the GNUlib package. ** Test suite The MinGW-w64 implementation of the `printf' facility differs in the default number of exponent digits printed (3) for output conversion format "%e" from other supported Ox build environments (2). As no option is apparently available to control this default, special expected output files are included in the distribution for test cases that use the "%e" output format.
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Announcing Ox release 1.7.1 Tom Shields <thomas.evans.shields@gmail.com> - 2020-02-16 15:15 -0600
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