summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog7
-rw-r--r--Completion/compinit1
-rw-r--r--Doc/Zsh/options.yo10
-rw-r--r--Functions/TCP/tcp_expect1
-rw-r--r--Functions/TCP/tcp_open2
-rw-r--r--Functions/TCP/tcp_read4
-rw-r--r--Src/exec.c17
-rw-r--r--Src/options.c1
-rw-r--r--Src/params.c27
-rw-r--r--Src/zsh.h9
10 files changed, 64 insertions, 15 deletions
diff --git a/ChangeLog b/ChangeLog
index 7386c87c2..c6a30dd16 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2005-08-08 Peter Stephenson <pws@csr.com>
+ * 21575 plus unposted changes to Functions/TCP/*:
+ Completion/compinit, Doc/Zsh/options.yo, Functions/TCP/tcp_expect,
+ Functions/TCP/tcp_open, Functions/TCP/tcp_read, Src/exec.c,
+ Src/options.c, Src/params.c, Src/zsh.h: Add WARN_CREATE_GLOBAL
+ option to warn when an assignment in a function creates a globa
+ parameter.
+
* 21567: Dan Bullok: Src/utils.c: trash zle when updating window
size since otherwise multiline prompts get screwed up.
diff --git a/Completion/compinit b/Completion/compinit
index c3b042c04..76792fd0a 100644
--- a/Completion/compinit
+++ b/Completion/compinit
@@ -146,6 +146,7 @@ _comp_options=(
NO_aliases
NO_errexit
NO_octalzeroes
+ NO_warncreateglobal
)
# And this one should be `eval'ed at the beginning of every entry point
diff --git a/Doc/Zsh/options.yo b/Doc/Zsh/options.yo
index e6e6af025..2f0e7d71d 100644
--- a/Doc/Zsh/options.yo
+++ b/Doc/Zsh/options.yo
@@ -460,6 +460,16 @@ item(tt(UNSET) (tt(PLUS()u), ksh: tt(PLUS()u)) <K> <S> <Z>)(
Treat unset parameters as if they were empty when substituting.
Otherwise they are treated as an error.
)
+pindex(WARN_CREATE_GLOBAL)
+cindex(parameters, warning when created globally)
+item(tt(WARN_CREATE_GLOBAL))(
+Print a warning message when a global parameter is created in a function
+by an assignment. This often indicates that a parameter has not been
+declared local when it should have been. Parameters explicitly declared
+global from within a function using tt(typeset -g) do not cause a warning.
+Note that there is no warning when a local parameter is assigned to in
+a nested function, which may also indicate an error.
+)
enditem()
subsect(History)
diff --git a/Functions/TCP/tcp_expect b/Functions/TCP/tcp_expect
index e49f93804..1c63b8def 100644
--- a/Functions/TCP/tcp_expect
+++ b/Functions/TCP/tcp_expect
@@ -84,6 +84,7 @@ while getopts "al:p:qs:t:T:" _expect_opt; do
done
(( OPTIND > 1 )) && shift $(( OPTIND - 1 ))
+typeset -ga tcp_expect_lines
tcp_expect_lines=()
while true; do
if (( _expect_to_all || _expect_to1 )); then
diff --git a/Functions/TCP/tcp_open b/Functions/TCP/tcp_open
index 1f7a65c9a..cd1afed28 100644
--- a/Functions/TCP/tcp_open
+++ b/Functions/TCP/tcp_open
@@ -200,7 +200,7 @@ done
if [[ -z $TCP_SESS ]]; then
[[ -z $quiet ]] && print "Setting default TCP session $sessnames[1]"
- TCP_SESS=$sessnames[1]
+ typeset -g TCP_SESS=$sessnames[1]
fi
return $stat
diff --git a/Functions/TCP/tcp_read b/Functions/TCP/tcp_read
index cf1b99441..aa30b723d 100644
--- a/Functions/TCP/tcp_read
+++ b/Functions/TCP/tcp_read
@@ -135,7 +135,9 @@ elif (( ! $#read_fds )); then
read_fds[$tcp_by_name[$TCP_SESS]]=1
fi
+typeset -ga tcp_lines
tcp_lines=()
+
local helper_stat=2 skip tpat reply REPLY
float newtimeout
@@ -217,7 +219,7 @@ while (( ${#read_fds} )); do
$noprint "$line"
# REPLY is now set to the line with an appropriate prompt.
tcp_lines+=($REPLY)
- TCP_LINE=$REPLY TCP_LINE_FD=$read_fd
+ typeset -g TCP_LINE="$REPLY" TCP_LINE_FD="$read_fd"
# Only handle one line from one device at a time unless draining.
[[ -z $drain ]] && return $stat
diff --git a/Src/exec.c b/Src/exec.c
index 515a41f9b..39308b121 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -1649,10 +1649,14 @@ addvars(Estate state, Wordcode pc, int export)
LinkList vl;
int xtr, isstr, htok = 0;
char **arr, **ptr, *name;
+ int flags, augment;
+
Wordcode opc = state->pc;
wordcode ac;
local_list1(svl);
+ flags = (locallevel > 0 && isset(WARNCREATEGLOBAL)) ?
+ ASSPM_WARN_CREATE : 0;
xtr = isset(XTRACE);
if (xtr) {
printprompt4();
@@ -1660,12 +1664,15 @@ addvars(Estate state, Wordcode pc, int export)
}
state->pc = pc;
while (wc_code(ac = *state->pc++) == WC_ASSIGN) {
+ int myflags = flags;
name = ecgetstr(state, EC_DUPTOK, &htok);
if (htok)
untokenize(name);
+ if (WC_ASSIGN_TYPE2(ac) == WC_ASSIGN_INC)
+ myflags |= ASSPM_AUGMENT;
if (xtr)
fprintf(xtrerr,
- WC_ASSIGN_TYPE2(ac) == WC_ASSIGN_INC ? "%s+=" : "%s=", name);
+ WC_ASSIGN_TYPE2(ac) == WC_ASSIGN_INC ? "%s+=" : "%s=", name);
if ((isstr = (WC_ASSIGN_TYPE(ac) == WC_ASSIGN_SCALAR))) {
init_list1(svl, ecgetstr(state, EC_DUPTOK, &htok));
vl = &svl;
@@ -1716,12 +1723,10 @@ addvars(Estate state, Wordcode pc, int export)
}
allexp = opts[ALLEXPORT];
opts[ALLEXPORT] = 1;
- pm = assignsparam(name, val,
- WC_ASSIGN_TYPE2(ac) == WC_ASSIGN_INC);
+ pm = assignsparam(name, val, myflags);
opts[ALLEXPORT] = allexp;
} else
- pm = assignsparam(name, val,
- WC_ASSIGN_TYPE2(ac) == WC_ASSIGN_INC);
+ pm = assignsparam(name, val, myflags);
if (errflag) {
state->pc = opc;
return;
@@ -1746,7 +1751,7 @@ addvars(Estate state, Wordcode pc, int export)
}
fprintf(xtrerr, ") ");
}
- assignaparam(name, arr, WC_ASSIGN_TYPE2(ac) == WC_ASSIGN_INC);
+ assignaparam(name, arr, myflags);
if (errflag) {
state->pc = opc;
return;
diff --git a/Src/options.c b/Src/options.c
index 0cb66b11a..7011b2081 100644
--- a/Src/options.c
+++ b/Src/options.c
@@ -211,6 +211,7 @@ static struct optname optns[] = {
{NULL, "unset", OPT_EMULATE|OPT_BSHELL, UNSET},
{NULL, "verbose", 0, VERBOSE},
{NULL, "vi", 0, VIMODE},
+{NULL, "warncreateglobal", 0, WARNCREATEGLOBAL},
{NULL, "xtrace", 0, XTRACE},
{NULL, "zle", OPT_SPECIAL, USEZLE},
{NULL, "braceexpand", OPT_ALIAS, /* ksh/bash */ -IGNOREBRACES},
diff --git a/Src/params.c b/Src/params.c
index 2bcfb0890..396c97c3a 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -1990,7 +1990,7 @@ gethkparam(char *s)
/**/
mod_export Param
-assignsparam(char *s, char *val, int augment)
+assignsparam(char *s, char *val, int flags)
{
struct value vbuf;
Value v;
@@ -2011,12 +2011,14 @@ assignsparam(char *s, char *val, int augment)
*ss = '\0';
if (!(v = getvalue(&vbuf, &s, 1)))
createparam(t, PM_ARRAY);
+ else
+ flags &= ~ASSPM_WARN_CREATE;
*ss = '[';
v = NULL;
} else {
if (!(v = getvalue(&vbuf, &s, 1)))
createparam(t, PM_SCALAR);
- else if ((((v->pm->flags & PM_ARRAY) && !augment) ||
+ else if ((((v->pm->flags & PM_ARRAY) && !(flags & ASSPM_AUGMENT)) ||
(v->pm->flags & PM_HASHED)) &&
!(v->pm->flags & (PM_SPECIAL|PM_TIED)) &&
unset(KSHARRAYS)) {
@@ -2024,13 +2026,18 @@ assignsparam(char *s, char *val, int augment)
createparam(t, PM_SCALAR);
v = NULL;
}
+ else
+ flags &= ~ASSPM_WARN_CREATE;
}
if (!v && !(v = getvalue(&vbuf, &t, 1))) {
unqueue_signals();
zsfree(val);
return NULL;
}
- if (augment) {
+ if ((flags & ASSPM_WARN_CREATE) && v->pm->level == 0)
+ zwarn("scalar parameter %s created globally in function",
+ v->pm->nam, 0);
+ if (flags & ASSPM_AUGMENT) {
if (v->start == 0 && v->end == -1) {
switch (PM_TYPE(v->pm->flags)) {
case PM_SCALAR:
@@ -2109,7 +2116,7 @@ assignsparam(char *s, char *val, int augment)
/**/
mod_export Param
-assignaparam(char *s, char **val, int augment)
+assignaparam(char *s, char **val, int flags)
{
struct value vbuf;
Value v;
@@ -2127,6 +2134,8 @@ assignaparam(char *s, char **val, int augment)
*ss = '\0';
if (!(v = getvalue(&vbuf, &s, 1)))
createparam(t, PM_ARRAY);
+ else
+ flags &= ~ASSPM_WARN_CREATE;
*ss = '[';
if (v && PM_TYPE(v->pm->flags) == PM_HASHED) {
unqueue_signals();
@@ -2143,7 +2152,7 @@ assignaparam(char *s, char **val, int augment)
else if (!(PM_TYPE(v->pm->flags) & (PM_ARRAY|PM_HASHED)) &&
!(v->pm->flags & (PM_SPECIAL|PM_TIED))) {
int uniq = v->pm->flags & PM_UNIQUE;
- if (augment) {
+ if (flags & ASSPM_AUGMENT) {
/* insert old value at the beginning of the val array */
char **new;
int lv = arrlen(val);
@@ -2153,12 +2162,13 @@ assignaparam(char *s, char **val, int augment)
memcpy(new+1, val, sizeof(char *) * (lv + 1));
free(val);
val = new;
-
}
unsetparam(t);
createparam(t, PM_ARRAY | uniq);
v = NULL;
}
+ else
+ flags &= ~ASSPM_WARN_CREATE;
}
if (!v)
if (!(v = fetchvalue(&vbuf, &t, 1, SCANPM_ASSIGNING))) {
@@ -2167,7 +2177,10 @@ assignaparam(char *s, char **val, int augment)
return NULL;
}
- if (augment) {
+ if ((flags & ASSPM_WARN_CREATE) && v->pm->level == 0)
+ zwarn("array parameter %s created globally in function",
+ v->pm->nam, 0);
+ if (flags & ASSPM_AUGMENT) {
if (v->start == 0 && v->end == -1) {
if (PM_TYPE(v->pm->flags) & PM_ARRAY) {
v->start = arrlen(v->pm->gsu.a->getfn(v->pm));
diff --git a/Src/zsh.h b/Src/zsh.h
index 2c635d02b..b10f0bea2 100644
--- a/Src/zsh.h
+++ b/Src/zsh.h
@@ -1361,6 +1361,14 @@ struct paramdef {
#define setsparam(S,V) assignsparam(S,V,0)
#define setaparam(S,V) assignaparam(S,V,0)
+/*
+ * Flags for assignsparam and assignaparam.
+ */
+enum {
+ ASSPM_AUGMENT = 1 << 0,
+ ASSPM_WARN_CREATE = 1 << 1
+};
+
/* node for named directory hash table (nameddirtab) */
struct nameddir {
@@ -1624,6 +1632,7 @@ enum {
UNSET,
VERBOSE,
VIMODE,
+ WARNCREATEGLOBAL,
XTRACE,
USEZLE,
DVORAK,