Re: [PATCH] more on prologue alternatives

[Paolo Bonzini]

> 1. %code{...} is the most common place for parser implementation code.  
> In C/C++, it goes in the code file.  In Java, it goes in the parser class.
>
> 2. %requires{...} is a place to put dependency code for externally exposed 
> definitions required by Bison.  In C/C++, it's for dependencies of YYSTYPE 
> and YYLTYPE.  In Java, it's for import directives.
>
> 3. %provides{...} is a place for additional externally exposed 
> definitions.  In C/C++, it goes at the bottom of the header file so that 
> it can depend on YYSTYPE, YYLTYPE, and yytokentype.  In Java, I suppose it 
> could be used to define other package-visible classes in the same java 
> file.
>   
This would be completely ok.  For Java, %provides and the epilogue would 
be synonyms.

Paolo