Better error handling using Flex and Bison

Tips for building more user-friendly compilers and interpreters

From the developerWorks archives

Christian Hagen

Date archived: April 18, 2019 | First published: July 28, 2006

Although it is easy to generate programs using Flex and Bison, it is a bit harder to make those programs produce user-friendly syntax and semantic error messages. This article examines the error-handling features of Flex and Bison, shows how to use them, and details some pitfalls.

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