spu-as input syntax/parser

spu-as input syntax/parser

[Timo Schneider]

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Hello,

I am currently writing a program which has to parse Cell BE SPU assembly 
generated, for example, by spu-gcc -S. This is exactly the same that 
spu-as does.

So I thougt I could find the GNU assembly grammar in (E)BNF or alike and 
build a simple parser with flex/bison. Unfortunately I didn't find such a 
grammer neighter in binutils/gas source nor in the binutils/gas manual 
(only a description of the syntax in text form was available there).

Maybe one of you can tell me where to find the binutils/gas input grammar?

Regards,
Timo

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Re: spu-as input syntax/parser

[Ian Lance Taylor]

Timo Schneider <timo.schneider@s2004.tu-chemnitz.de> writes:

> So I thougt I could find the GNU assembly grammar in (E)BNF or alike and 
> build a simple parser with flex/bison. Unfortunately I didn't find such a 
> grammer neighter in binutils/gas source nor in the binutils/gas manual 
> (only a description of the syntax in text form was available there).
> 
> Maybe one of you can tell me where to find the binutils/gas input grammar?

Most gas targets do not use a bison grammar.  No gas targets use flex.
Most assembly languages are easy enough to parse anyhow.

Ian