[src/trunk]: src/usr.bin/make make(1): migrate CachedDir.files from HashTable...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/80f5f92dc0a5
branches:  trunk
changeset: 946320:80f5f92dc0a5
user:      rillig <rillig%NetBSD.org@localhost>
date:      Mon Nov 23 18:24:05 2020 +0000

description:
make(1): migrate CachedDir.files from HashTable to HashSet

diffstat:

 usr.bin/make/dir.c  |  22 +++++++++++-----------
 usr.bin/make/dir.h  |   5 ++---
 usr.bin/make/hash.h |   8 +++++++-
 3 files changed, 20 insertions(+), 15 deletions(-)

diffs (137 lines):

diff -r aec6e0753841 -r 80f5f92dc0a5 usr.bin/make/dir.c
--- a/usr.bin/make/dir.c        Mon Nov 23 18:07:10 2020 +0000
+++ b/usr.bin/make/dir.c        Mon Nov 23 18:24:05 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dir.c,v 1.210 2020/11/14 21:29:44 rillig Exp $ */
+/*     $NetBSD: dir.c,v 1.211 2020/11/23 18:24:05 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -134,7 +134,7 @@
 #include "job.h"
 
 /*     "@(#)dir.c      8.2 (Berkeley) 1/2/94"  */
-MAKE_RCSID("$NetBSD: dir.c,v 1.210 2020/11/14 21:29:44 rillig Exp $");
+MAKE_RCSID("$NetBSD: dir.c,v 1.211 2020/11/23 18:24:05 rillig Exp $");
 
 #define DIR_DEBUG0(text) DEBUG0(DIR, text)
 #define DIR_DEBUG1(fmt, arg1) DEBUG1(DIR, fmt, arg1)
@@ -379,7 +379,7 @@
     dotLast->refCount = 1;
     dotLast->hits = 0;
     dotLast->name = bmake_strdup(".DOTLAST");
-    HashTable_Init(&dotLast->files);
+    HashSet_Init(&dotLast->files);
 }
 
 /*
@@ -573,7 +573,7 @@
     /* XXX: Iterating over all hash entries is inefficient.  If the pattern
      * is a plain string without any wildcards, a direct lookup is faster. */
 
-    HashIter_Init(&hi, &dir->files);
+    HashIter_InitSet(&hi, &dir->files);
     while (HashIter_Next(&hi) != NULL) {
        const char *base = hi.entry->key;
 
@@ -848,7 +848,7 @@
 
     DIR_DEBUG1("   %s ...\n", dir->name);
 
-    if (HashTable_FindEntry(&dir->files, base) == NULL)
+    if (!HashSet_Contains(&dir->files, base))
        return NULL;
 
     file = str_concat3(dir->name, "/", base);
@@ -901,7 +901,7 @@
     if (*dnp != '\0' || np != cp - 1)
        return NULL;
 
-    if (HashTable_FindEntry(&dir->files, cp) == NULL) {
+    if (!HashSet_Contains(&dir->files, cp)) {
        DIR_DEBUG0("   must be here but isn't -- returning\n");
        return bmake_strdup("");        /* to terminate the search */
     }
@@ -918,14 +918,14 @@
 DirFindDot(const char *name, const char *base)
 {
 
-    if (HashTable_FindEntry(&dot->files, base) != NULL) {
+    if (HashSet_Contains(&dot->files, base)) {
        DIR_DEBUG0("   in '.'\n");
        hits++;
        dot->hits++;
        return bmake_strdup(name);
     }
 
-    if (cur != NULL && HashTable_FindEntry(&cur->files, base) != NULL) {
+    if (cur != NULL && HashSet_Contains(&cur->files, base)) {
        DIR_DEBUG1("   in ${.CURDIR} = %s\n", cur->name);
        hits++;
        cur->hits++;
@@ -1390,7 +1390,7 @@
        dir->name = bmake_strdup(name);
        dir->hits = 0;
        dir->refCount = 1;
-       HashTable_Init(&dir->files);
+       HashSet_Init(&dir->files);
 
        while ((dp = readdir(d)) != NULL) {
 #if defined(sun) && defined(d_ino) /* d_ino is a sunos4 #define for d_fileno */
@@ -1403,7 +1403,7 @@
                continue;
            }
 #endif /* sun && d_ino */
-           (void)HashTable_CreateEntry(&dir->files, dp->d_name, NULL);
+           (void)HashSet_Add(&dir->files, dp->d_name);
        }
        (void)closedir(d);
        OpenDirs_Add(&openDirs, dir);
@@ -1485,7 +1485,7 @@
     if (dir->refCount == 0) {
        OpenDirs_Remove(&openDirs, dir->name);
 
-       HashTable_Done(&dir->files);
+       HashSet_Done(&dir->files);
        free(dir->name);
        free(dir);
     }
diff -r aec6e0753841 -r 80f5f92dc0a5 usr.bin/make/dir.h
--- a/usr.bin/make/dir.h        Mon Nov 23 18:07:10 2020 +0000
+++ b/usr.bin/make/dir.h        Mon Nov 23 18:24:05 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dir.h,v 1.34 2020/11/14 19:24:24 rillig Exp $  */
+/*     $NetBSD: dir.h,v 1.35 2020/11/23 18:24:05 rillig Exp $  */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -87,8 +87,7 @@
     int refCount;              /* Number of SearchPaths with this directory */
     int hits;                  /* The number of times a file in this
                                 * directory has been found */
-    HashTable files;           /* Hash set of files in directory;
-                                * all values are NULL. */
+    HashSet files;             /* The files in the directory. */
 } CachedDir;
 
 void Dir_Init(void);
diff -r aec6e0753841 -r 80f5f92dc0a5 usr.bin/make/hash.h
--- a/usr.bin/make/hash.h       Mon Nov 23 18:07:10 2020 +0000
+++ b/usr.bin/make/hash.h       Mon Nov 23 18:24:05 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: hash.h,v 1.35 2020/11/23 18:07:10 rillig Exp $ */
+/*     $NetBSD: hash.h,v 1.36 2020/11/23 18:24:05 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -161,4 +161,10 @@
        return HashTable_FindEntry(&set->tbl, key) != NULL;
 }
 
+MAKE_INLINE void
+HashIter_InitSet(HashIter *hi, HashSet *set)
+{
+    HashIter_Init(hi, &set->tbl);
+}
+
 #endif /* MAKE_HASH_H */