http://d.puremagic.com/issues/show_bug.cgi?id=5585
Summary: bad debug line number info for return statements with
enumerator expressions
Product: D
Version: D2
Platform: Other
OS/Version: Windows
Status: NEW
Keywords: patch
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: r.sagita...@gmx.de
--- Comment #0 from Rainer Schuetze <r.sagita...@gmx.de> 2011-02-15 00:19:07
PST ---
When compiled by dmd with debug information, stepping through the following
code in a debugger
enum { Success, Failure }
int main()
{
return Success;
}
makes the debugger jump to the enumerator declaration when the instruction
pointer is in fact at the return statement. This can be very annoying because
there is no information of the actual line of execution, you have to guess from
the disassembly.
This is happening because the line info is taken from the first expression of
the return statement, which is the initializer expression of the enum
identifier. I suggest forcing the line number to the statement instead.
*** src\s2ir.c 2011-02-14 19:56:09.000000000 +-0100
--- src\s2ir.c 2011-02-07 01:49:13.000000000 +-0100
***************
*** 1287,1298 ****
--- 1287,1299 ----
else
{
e = exp->toElem(irs);
assert(e);
}
+ elem_setLoc(e, loc);
block_appendexp(blx->curblock, e);
block_next(blx, BCretexp, NULL);
}
else
block_next(blx, BCret, NULL);
}
This is under Windows, but I guess it also applies to other OS supported by
dmd.
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