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39758: revise 39704 for array and hash parameters; more POSIXBUITINS tweaks for

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export

39704 was commit 0f5e670, forgot to reference article number in that log.

"typeset -p" outputs "typeset" for array and hash parameters, even when
exported, because those types can be marked export but are never pushed
to the enviroment.

For POSIXBUILTINS, "export var" does not implicitly set $var, and its
export state is preserved when assigned (but not when explicitly unset).
This commit is contained in:
Barton E. Schaefer 2016-10-29 11:56:50 -07:00
parent 87c951c6bd
commit ab81b98c49
3 changed files with 26 additions and 12 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2016-10-29 Barton E. Schaefer <schaefer@zsh.org>
* 39758: Src/builtin.c, Src/params.c: revise 39704 to output
"typeset" for array and hash parameters, even when exported; for
POSIXBUILTINS, "export var" does not implicitly set $var, and its
export state is preserved when assigned (but not when explicitly
unset).
2016-10-28 Daniel Shahaf <d.s@daniel.shahaf.name>
* users/22036: Doc/Zsh/zle.yo: bracketed-paste: Document

14
Src/builtin.c
View file

@ -2008,11 +2008,12 @@ typeset_single(char *cname, char *pname, Param pm, UNUSED(int func),
* handled in createparam(). Here we just avoid using it for the
* present tests if it's unset.
*
* POSIXBUILTINS horror: we need to retain the 'readonly' flag
* of an unset parameter.
* POSIXBUILTINS horror: we need to retain the 'readonly' or 'export'
* flags of an unset parameter.
*/
usepm = pm && (!(pm->node.flags & PM_UNSET) ||
(isset(POSIXBUILTINS) && (pm->node.flags & PM_READONLY)));
(isset(POSIXBUILTINS) &&
(pm->node.flags & (PM_READONLY|PM_EXPORTED))));
/*
* We need to compare types with an existing pm if special,
@ -2135,7 +2136,8 @@ typeset_single(char *cname, char *pname, Param pm, UNUSED(int func),
/*
* Stricter rules about retaining readonly attribute in this case.
*/
if ((on & PM_READONLY) && (!usepm || (pm->node.flags & PM_UNSET)) &&
if ((on & (PM_READONLY|PM_EXPORTED)) &&
(!usepm || (pm->node.flags & PM_UNSET)) &&
!ASG_VALUEP(asg))
on |= PM_UNSET;
else if (usepm && (pm->node.flags & PM_READONLY) &&
@ -2143,6 +2145,10 @@ typeset_single(char *cname, char *pname, Param pm, UNUSED(int func),
zerr("read-only variable: %s", pm->node.nam);
return NULL;
}
/* This is handled by createparam():
if (usepm && (pm->node.flags & PM_EXPORTED) && !(off & PM_EXPORTED))
on |= PM_EXPORTED;
*/
}
/*

16
Src/params.c
View file

@ -940,7 +940,10 @@ createparam(char *name, int flags)
zerr("%s: restricted", name);
return NULL;
}
if (!(oldpm->node.flags & PM_UNSET) || (oldpm->node.flags & PM_SPECIAL)) {
if (!(oldpm->node.flags & PM_UNSET) ||
(oldpm->node.flags & PM_SPECIAL) ||
/* POSIXBUILTINS horror: we need to retain 'export' flags */
(isset(POSIXBUILTINS) && (oldpm->node.flags & PM_EXPORTED))) {
oldpm->node.flags &= ~PM_UNSET;
if ((oldpm->node.flags & PM_SPECIAL) && oldpm->ename) {
Param altpm =
@ -5225,10 +5228,6 @@ printparamvalue(Param p, int printflags)
{
char *t, **u;
if ((p->node.flags & PM_EXPORTED) && !p->env) {
putchar('\n');
return;
}
if (printflags & PRINT_KV_PAIR)
putchar(' ');
else
@ -5332,7 +5331,8 @@ printparamnode(HashNode hn, int printflags)
}
if (locallevel && p->level >= locallevel) {
printf("typeset "); /* printf("local "); */
} else if (p->node.flags & PM_EXPORTED) {
} else if ((p->node.flags & PM_EXPORTED) &&
!(p->node.flags & (PM_ARRAY|PM_HASHED))) {
printf("export ");
} else if (locallevel) {
printf("typeset -g ");
@ -5350,8 +5350,8 @@ printparamnode(HashNode hn, int printflags)
if (pmptr->flags & PMTF_TEST_LEVEL) {
if (p->level)
doprint = 1;
} else if ((pmptr->binflag != PM_EXPORTED ||
((p->node.flags & PM_LOCAL) || p->level)) &&
} else if ((pmptr->binflag != PM_EXPORTED || p->level ||
(p->node.flags & (PM_LOCAL|PM_ARRAY|PM_HASHED))) &&
(p->node.flags & pmptr->binflag))
doprint = 1;