>> @@
>> -rc = x;
>
> Replace by - lrc@rc = x;
I have constructed the following test script for the semantic patch language.
@check1@
expression x;
identifier rc;
local idexpression lrc;
position p;
@@
lrc@rc = x@p;
return lrc;
@check2@
identifier check1.rc;
position p;
type t;
@@
t rc@p;
... when != rc
@script:python to_do1@
p << check1.p;
@@
coccilib.org.print_todo(p[0],
"WARNING: An expression was assigned to a local
variable before it will be returned by the subsequent statement.")
@script:python to_do2@
p << check2.p;
v << check2.rc;
@@
coccilib.org.print_todo(p[0],
"INFO: May the local variable \""
+ v
+ "\" be deleted?")
I wonder about a corresponding test result.
elfring@Sonne:~/Projekte/Coccinelle/janitor> spatch --parse-cocci
move_code_to_return1.cocci
…
scriptmeta: semantic error: bad rule check2 or bad variable rc
File "move_code_to_return1.cocci", line 26, column 14, charpos = 474
around = ';',
whole content = v << check2.rc;
I imagine that it would be easier to understand that the content from
the inherited metavariable can be directly used.
The SmPL specification “v << check1.rc;” gets accepted by Coccinelle software
and seems to work then in the way I would expect it also for the other script
variant.
Will any more adjustments become relevant for such a source code search
approach?
Regards,
Markus
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