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author | Clint Adams <clint@users.sourceforge.net> | 2006-09-17 19:28:45 +0000 |
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committer | Clint Adams <clint@users.sourceforge.net> | 2006-09-17 19:28:45 +0000 |
commit | a7c0640c0a3b9ce7290b1c78a08eec7ed330ca67 (patch) | |
tree | b356f534a24781a75400c382b3ad1377c86b51c3 /Src/Modules/parameter.c | |
parent | 4f11c3b8e356ea835f7791e9de4b73fd23d5daa9 (diff) | |
download | zsh-a7c0640c0a3b9ce7290b1c78a08eec7ed330ca67.tar.gz zsh-a7c0640c0a3b9ce7290b1c78a08eec7ed330ca67.tar.xz zsh-a7c0640c0a3b9ce7290b1c78a08eec7ed330ca67.zip |
22728: $functrace parameter for function backtraces.
Diffstat (limited to 'Src/Modules/parameter.c')
-rw-r--r-- | Src/Modules/parameter.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Src/Modules/parameter.c b/Src/Modules/parameter.c index c3ec441f8..cec31d5cb 100644 --- a/Src/Modules/parameter.c +++ b/Src/Modules/parameter.c @@ -551,6 +551,33 @@ funcstackgetfn(UNUSED(Param pm)) return ret; } +/* Functions for the functrace special parameter. */ + +/**/ +static char ** +functracegetfn(UNUSED(Param pm)) +{ + Funcstack f; + int num; + char **ret, **p; + + for (f = funcstack, num = 0; f; f = f->prev, num++); + + ret = (char **) zhalloc((num + 1) * sizeof(char *)); + + for (f = funcstack, p = ret; f; f = f->prev, p++) { + char *colonpair; + + colonpair = zhalloc(strlen(f->caller) + f->lineno > 9999 ? 24 : 6); + sprintf(colonpair, "%s:%d", f->caller, f->lineno); + + *p = colonpair; + } + *p = NULL; + + return ret; +} + /* Functions for the builtins special parameter. */ /**/ @@ -1843,6 +1870,8 @@ static const struct gsu_hash pmdissaliases_gsu = static const struct gsu_array funcstack_gsu = { funcstackgetfn, arrsetfn, stdunsetfn }; +static const struct gsu_array functrace_gsu = +{ functracegetfn, arrsetfn, stdunsetfn }; static const struct gsu_array reswords_gsu = { reswordsgetfn, arrsetfn, stdunsetfn }; static const struct gsu_array disreswords_gsu = @@ -1868,6 +1897,9 @@ static struct pardef partab[] = { { "funcstack", PM_ARRAY|PM_SPECIAL|PM_READONLY, NULL, NULL, NULL, &funcstack_gsu, NULL }, + { "functrace", PM_ARRAY|PM_SPECIAL|PM_READONLY, + NULL, NULL, NULL, + &functrace_gsu, NULL }, { "builtins", PM_READONLY, getpmbuiltin, scanpmbuiltins, NULL, NULL, NULL }, |