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Hello,

The semantic patch language can handle several rules which can contain
remarkable amounts of source code search specifications.
It can happen then that a few of these SmPL rules contain a bit of
common specifications.

Example:
@one@
@@
code_area_1
code_area_2

@two@
@@
code_area_1
code_area_3


Now I would like to clarify possibilities again to reduce unwanted
code duplication at such places.
The common code part can be moved to another SmPL rule.

@start@
@@
code_area_1


Subsequent SmPL rules can refer to metavariables from previous rules.
But how can be achieved that the code search will be continued at a place
after the position where a previous rule ended its search
(without extra code repetition)?

Can the splitting and recombination of such rules become more convenient
with extensions for the Coccinelle software?

Regards,
Markus
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