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https://tldp.org/HOWTO/Lex-YACC-HOWTO.html
Lex and YACC primer/HOWTO
PowerDNS BV (bert hubert <bert@powerdns.com>)
v0.8 $Date: 2002/04/20 19:46:46 $
This document tries to help you get started using Lex and YACC
1. Introduction
- 1.1 What this document is NOT
- 1.2 Downloading stuff
- 1.3 License
2. What Lex & YACC can do for you
- 2.1 What each program does on its own
3. Lex
- 3.1 Regular expressions in matches
- 3.2 A more complicated example for a C like syntax
- 3.3 What we've seen
4. YACC
- 4.1 A simple thermostat controller
- 4.2 Expanding the thermostat to handle parameters
- 4.3 Parsing a configuration file
5. Making a Parser in C++
6. How do Lex and YACC work internally
- 6.1 Token values
- 6.2 Recursion: 'right is wrong'
- 6.3 Advanced yylval: %union
7. Debugging
- 7.1 The state machine
- 7.2 Conflicts: 'shift/reduce', 'reduce/reduce'
8. Further reading
9. Acknowledgements & Thanks
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