about summary refs log tree commit diff
diff options
context:
space:
mode:
-rw-r--r--Doc/Zsh/mod_parameter.yo55
-rw-r--r--Src/Modules/parameter.c32
-rw-r--r--Src/Modules/parameter.mdd4
-rw-r--r--Src/exec.c2
-rw-r--r--Src/zsh.h2
5 files changed, 75 insertions, 20 deletions
diff --git a/Doc/Zsh/mod_parameter.yo b/Doc/Zsh/mod_parameter.yo
index 07e90ec21..529c65d33 100644
--- a/Doc/Zsh/mod_parameter.yo
+++ b/Doc/Zsh/mod_parameter.yo
@@ -28,7 +28,7 @@ hash table.
 )
 vindex(functions)
 item(tt(functions))(
-This association maps names of enabled functions to their
+This associative array maps names of enabled functions to their
 definitions. Setting a key in it is like defining a function with the
 name given by the key and the body given by the value. Unsetting a key
 removes the definition for the function named by the key.
@@ -39,7 +39,7 @@ Like tt(functions) but for disabled functions.
 )
 vindex(builtins)
 item(tt(builtins))(
-This association gives information about the builtin commands
+This associative array gives information about the builtin commands
 currently enabled. The keys are the names of the builtin commands and
 the values are either `tt(undefined)' for builtin commands that will
 automatically be loaded from a module if invoked or `tt(defined)' for
@@ -64,16 +64,24 @@ expansions.
 )
 vindex(dis_aliases)
 item(tt(dis_aliases))(
-Like tt(raliases) but for disabled regular aliases.
+Like tt(aliases) but for disabled regular aliases.
 )
 vindex(galiases)
 item(tt(galiases))(
-Like tt(raliases), but for global aliases.
+Like tt(aliases), but for global aliases.
 )
 vindex(dis_galiases)
 item(tt(dis_galiases))(
 Like tt(galiases) but for disabled global aliases.
 )
+vindex(saliases)
+item(tt(saliases))(
+Like tt(raliases), but for suffix aliases.
+)
+vindex(dis_saliases)
+item(tt(dis_saliases))(
+Like tt(saliases) but for disabled suffix aliases.
+)
 vindex(parameters)
 item(tt(parameters))(
 The keys in this associative array are the names of the parameters
@@ -90,10 +98,11 @@ Setting or unsetting keys in this array is not possible.
 )
 vindex(modules)
 item(tt(modules))(
-An association giving information about module. The keys are the names
-of the modules builtin, loaded, or registered to be autoloaded. The
+An associative array giving information about modules. The keys are the names
+of the modules loaded, registered to be autoloaded, or aliased. The
 value says which state the named module is in and is one of the
-strings tt(builtin), tt(loaded), or tt(autoloaded).
+strings `tt(loaded)', `tt(autoloaded)', or `tt(alias:)var(name)',
+where var(name) is the name the module is aliased to.
 
 Setting or unsetting keys in this array is not possible.
 )
@@ -105,7 +114,7 @@ directory, the current working directory.
 )
 vindex(history)
 item(tt(history))(
-This association maps history event numbers to the full history lines.
+This associative array maps history event numbers to the full history lines.
 )
 vindex(historywords)
 item(tt(historywords))(
@@ -113,33 +122,35 @@ A special array containing the words stored in the history.
 )
 vindex(jobdirs)
 item(tt(jobdirs))(
-This association maps job numbers to the directories from which the job was started (which may not be the current directory of the job).
+This associative array maps job numbers to the directories from which the
+job was started (which may not be the current directory of the job).
 )
 vindex(jobtexts)
 item(tt(jobtexts))(
-This association maps job numbers to the texts of the command lines
+This associative array maps job numbers to the texts of the command lines
 that were used to start the jobs.
 )
 vindex(jobstates)
 item(tt(jobstates))(
-This association gives information about the states of the jobs
+This associative array gives information about the states of the jobs
 currently known. The keys are the job numbers and the values are
 strings of the form
-`var(job-state):var(pid)tt(=)var(state)tt(...)'. The var(job-state)
-gives the state the whole job is currently in, one of `tt(running)',
-`tt(suspended)', or `tt(done)'. This is follwed by one
-`var(pid)tt(=)var(state)' for every process in the job. The var(pid)s
-are, of course, the process IDs and the var(state) describes the state 
-of that process.
+`var(job-state):var(mark):var(pid)tt(=)var(state)tt(...)'. The
+var(job-state) gives the state the whole job is currently in, one of
+`tt(running)', `tt(suspended)', or `tt(done)'. The var(mark) is
+`tt(+)' for the current job, `tt(-)' for the previous job and empty
+otherwise. This is followed by one `var(pid)tt(=)var(state)' for every
+process in the job. The var(pid)s are, of course, the process IDs and
+the var(state) describes the state of that process.
 )
 vindex(nameddirs)
 item(tt(nameddirs))(
-This association maps the names of named directories to the pathnames
+This associative array maps the names of named directories to the pathnames
 they stand for.
 )
 vindex(userdirs)
 item(tt(userdirs))(
-This association maps user names to the pathnames of their home
+This associative array maps user names to the pathnames of their home
 directories.
 )
 vindex(funcstack)
@@ -148,4 +159,10 @@ This array contains the names of the functions currently being
 executed. The first element is the name of the function using the
 parameter.
 )
+vindex(functrace)
+item(tt(functrace))(
+This array contains the names and line numbers of the callers
+corresponding to the functions currently being executed.
+The format of each element is name:lineno.
+)
 enditem()
diff --git a/Src/Modules/parameter.c b/Src/Modules/parameter.c
index 3abe36ae8..b77f3db6a 100644
--- a/Src/Modules/parameter.c
+++ b/Src/Modules/parameter.c
@@ -552,6 +552,33 @@ 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. */
 
 /**/
@@ -1844,6 +1871,8 @@ 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 =
@@ -1869,6 +1898,9 @@ 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 },
diff --git a/Src/Modules/parameter.mdd b/Src/Modules/parameter.mdd
index 122f72bd2..2b53fa479 100644
--- a/Src/Modules/parameter.mdd
+++ b/Src/Modules/parameter.mdd
@@ -1,5 +1,7 @@
 name=zsh/parameter
+link=either
+load=yes
 
-autoparams="parameters commands functions dis_functions funcstack builtins dis_builtins reswords dis_reswords options modules dirstack history historywords jobtexts jobdirs jobstates nameddirs userdirs aliases dis_aliases galiases dis_galiases"
+autoparams="parameters commands functions dis_functions funcstack functrace builtins dis_builtins reswords dis_reswords options modules dirstack history historywords jobtexts jobdirs jobstates nameddirs userdirs aliases dis_aliases galiases dis_galiases"
 
 objects="parameter.o"
diff --git a/Src/exec.c b/Src/exec.c
index 7335ac7e8..c69730f88 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -3618,6 +3618,8 @@ doshfunc(char *name, Eprog prog, LinkList doshargs, int flags, int noreturnval)
     }
 #endif
     fstack.name = dupstring(name);
+    fstack.caller = dupstring(oargv0 ? oargv0 : argzero);
+    fstack.lineno = lineno;
     fstack.prev = funcstack;
     funcstack = &fstack;
 
diff --git a/Src/zsh.h b/Src/zsh.h
index a0959456a..4fc476083 100644
--- a/Src/zsh.h
+++ b/Src/zsh.h
@@ -979,6 +979,8 @@ struct shfunc {
 struct funcstack {
     Funcstack prev;		/* previous in stack */
     char *name;			/* name of function called */
+    char *caller;		/* name of caller */
+    int lineno;			/* line number in file */
 };
 
 /* node in list of function call wrappers */