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45131: Make a function that redefines itself preserve its tracedness.

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This makes it easy to apply local tracing ('functions -T') to autoloadable
functions that redefines themselves when first loaded.
This commit is contained in:
Daniel Shahaf 2019-12-22 04:52:38 +00:00
parent 3834c423ab
commit ca6f4466e6
3 changed files with 20 additions and 0 deletions
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6
Src/exec.c
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@ -5320,6 +5320,12 @@ execfuncdef(Estate state, Eprog redir_prog)
*/
removetrapnode(signum);
}
/* Is this function traced and redefining itself? */
if (funcstack && funcstack->tp == FS_FUNC &&
!strcmp(s, funcstack->name)) {
Shfunc old = ((Shfunc)shfunctab->getnode(shfunctab, s));
shf->node.flags |= old->node.flags & (PM_TAGGED|PM_TAGGED_LOCAL);
}
shfunctab->addnode(shfunctab, ztrdup(s), shf);
}
}