Bison takes as input a context-free grammar specification and produces a C-language function that recognizes correct instances of the grammar.
The Bison grammar file conventionally has a name ending in ‘.y’. See Invoking Bison.
| • Grammar Outline | Overall layout of the grammar file. | |
| • Symbols | Terminal and nonterminal symbols. | |
| • Rules | How to write grammar rules. | |
| • Semantics | Semantic values and actions. | |
| • Tracking Locations | Locations and actions. | |
| • Named References | Using named references in actions. | |
| • Declarations | All kinds of Bison declarations are described here. | |
| • Multiple Parsers | Putting more than one Bison parser in one program. |