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Bison Grammar Files
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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 input file conventionally has a name ending in
`.y'.
* Menu:
* Grammar Outline Overall layout of the grammar file.
* Symbols Terminal and nonterminal symbols.
* Rules How to write grammar rules.
* Recursion Writing recursive rules.
* Semantics Semantic values and actions.
* Declarations All kinds of Bison declarations are described here.
* Multiple Parsers Putting more than one Bison parser in one program.