I've just completed a *PLY* project to do some preprocessing on a 'C'
source file for a PIC microcontroller (specifically to handle my version of
the #rom directive converting it to the compilers version). This is working
just as I want but I have only defined the grammar for the specific #rom
statements I wish to process.
It would be convenient, in the same file, to have various other 'C'
statements (free from text), #define or typedefs for example. Can someone
suggest a way to do this without having to put the complete or subsections
of the 'C' grammar into my preprocessor. That is to say I want the
preprocessor to copy all non #rom statements (ie lines of other 'C' code)
'as is' to the output file. It is only the #rom statements I need to
process on the way to the output file.
Needless to say the 'free form text' and the #rom statements overlap in
terms of some tokens. The free from text may include 'C' expressions as may
a #rom statement, also literals such as { } ( ) @ etc.
Any ideas would be appreciated.
Regards,
John
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