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[PATCH 4/4] internal: Document some compadd internals.



---
 Src/Zle/comp.h     | 19 +++++++++----------
 Src/Zle/compcore.c | 12 ++++++++++--
 2 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/Src/Zle/comp.h b/Src/Zle/comp.h
index 14af617..3711fde 100644
--- a/Src/Zle/comp.h
+++ b/Src/Zle/comp.h
@@ -125,7 +125,7 @@ struct cmatch {
 #define CMF_REMOVE   (1<< 1)	/* remove the suffix */
 #define CMF_ISPAR    (1<< 2)	/* is paramter expansion */
 #define CMF_PARBR    (1<< 3)	/* paramter expansion with a brace */
-#define CMF_PARNEST  (1<< 4)	/* nested paramter expansion */
+#define CMF_PARNEST  (1<< 4)	/* nested parameter expansion */
 #define CMF_NOLIST   (1<< 5)	/* should not be listed */
 #define CMF_DISPLINE (1<< 6)	/* display strings one per line */
 #define CMF_HIDE     (1<< 7)	/* temporarily hide this one */
@@ -235,7 +235,6 @@ struct cpattern {
  * the anchor. */
 
 typedef struct cline *Cline;
-typedef struct clsub Clsub;
 
 struct cline {
     Cline next;
@@ -291,14 +290,14 @@ struct menuinfo {
 
 /* Flags for compadd and addmatches(). */
 
-#define CAF_QUOTE    1
-#define CAF_NOSORT   2
-#define CAF_MATCH    4
-#define CAF_UNIQCON  8
-#define CAF_UNIQALL 16
-#define CAF_ARRAYS  32
-#define CAF_KEYS    64
-#define CAF_ALL    128
+#define CAF_QUOTE    1    /* compadd -Q: positional arguments already quoted */
+#define CAF_NOSORT   2    /* compadd -V: don't sort */
+#define CAF_MATCH    4    /* compadd without -U: do matching */
+#define CAF_UNIQCON  8    /* compadd -2: don't deduplicate */
+#define CAF_UNIQALL 16    /* compadd -1: deduplicate */
+#define CAF_ARRAYS  32    /* compadd -a or -k: array/assoc parameter names */
+#define CAF_KEYS    64    /* compadd -k: assoc parameter names */
+#define CAF_ALL    128    /* compadd -C: _all_matches */
 
 /* Data for compadd and addmatches() */
 
diff --git a/Src/Zle/compcore.c b/Src/Zle/compcore.c
index f69f680..fe16c13 100644
--- a/Src/Zle/compcore.c
+++ b/Src/Zle/compcore.c
@@ -1976,6 +1976,11 @@ get_user_var(char *nam)
     }
 }
 
+/*
+ * If KEYS, then NAME is an associative array; return its keys.
+ * Else, NAME is a plain array; return its elements.
+ */
+
 static char **
 get_data_arr(char *name, int keys)
 {
@@ -2037,16 +2042,17 @@ addmatch(char *str, int flags, char ***dispp, int line)
 int
 addmatches(Cadata dat, char **argv)
 {
+    /* ms: "match string" - string to use as completion.
+     * Overloaded at one place as a temporary. */
     char *s, *ms, *lipre = NULL, *lisuf = NULL, *lpre = NULL, *lsuf = NULL;
     char **aign = NULL, **dparr = NULL, *oaq = autoq, *oppre = dat->ppre;
     char *oqp = qipre, *oqs = qisuf, qc, **disp = NULL, *ibuf = NULL;
     char **arrays = NULL;
-    int lpl, lsl, sl, bcp = 0, bcs = 0, bpadd = 0, bsadd = 0;
+    int lpl, lsl, bcp = 0, bcs = 0, bpadd = 0, bsadd = 0;
     int ppl = 0, psl = 0, ilen = 0;
     int llpl = 0, llsl = 0, nm = mnum, gflags = 0, ohp = haspattern;
     int isexact, doadd, ois = instring, oib = inbackt;
     Cline lc = NULL, pline = NULL, sline = NULL;
-    Cmatch cm;
     struct cmlist mst;
     Cmlist oms = mstack;
     Patprog cp = NULL, *pign = NULL;
@@ -2424,6 +2430,7 @@ addmatches(Cadata dat, char **argv)
 	if (dat->psuf)
 	    psl = strlen(dat->psuf);
 	for (; (s = *argv); argv++) {
+	    int sl;
 	    bpl = obpl;
 	    bsl = obsl;
 	    if (disp) {
@@ -2484,6 +2491,7 @@ addmatches(Cadata dat, char **argv)
 		goto next_array;
 	    }
 	    if (doadd) {
+		Cmatch cm;
 		Brinfo bp;
 
 		for (bp = obpl; bp; bp = bp->next)



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