On Sun, 17 Jun 2018, SF Markus Elfring wrote:
> Hello,
>
> The following script for the semantic patch language can mark a bit of source
> code also in a corresponding example.
>
>
> @display@
> constant C;
> expression A, B;
> identifier X;
> type T;
> @@
> T X = A
> <<
> *C
> <<
> B;
>
>
> int main(void)
> {
> unsigned int a = 2, b = 4;
> unsigned long c = a << 2 << b;
> }
>
>
> 1. I get the error message “minus: parse error” after the addition of
> a SmPL ellipsis behind the metavariable “B”.
You can't just put ... at random places. If you are in an expression, ...
must replace a single expression.
> 2. I have observed that no source code is found if I omit the metavariables
> “T”
> and “X” (omission of the assignment target) in a SmPL script variant.
Since I don't know anythign about the code you are applying it to, and I
don't know the exact definition of the semantic patch, I can't answer the
question.
julia
>
> How do you think about to clarify these software situations any more?
>
> Regards,
> Markus
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