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”.
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.
How do you think about to clarify these software situations any more?
Regards,
Markus
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