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[src/trunk]: src/usr.bin/make make(1): rename GNode.cmgn to youngestChild



details:   https://anonhg.NetBSD.org/src/rev/5aba2bda1999
branches:  trunk
changeset: 956186:5aba2bda1999
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Oct 23 19:48:17 2020 +0000

description:
make(1): rename GNode.cmgn to youngestChild

The name is longer than before but also clearer.

diffstat:

 usr.bin/make/arch.c   |  13 +++++++------
 usr.bin/make/compat.c |   6 +++---
 usr.bin/make/make.c   |  37 ++++++++++++++++++++-----------------
 usr.bin/make/make.h   |   4 ++--
 usr.bin/make/targ.c   |   6 +++---
 5 files changed, 35 insertions(+), 31 deletions(-)

diffs (242 lines):

diff -r afb5ffd84172 -r 5aba2bda1999 usr.bin/make/arch.c
--- a/usr.bin/make/arch.c       Fri Oct 23 19:28:17 2020 +0000
+++ b/usr.bin/make/arch.c       Fri Oct 23 19:48:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arch.c,v 1.139 2020/10/23 18:36:09 rillig Exp $        */
+/*     $NetBSD: arch.c,v 1.140 2020/10/23 19:48:17 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -130,7 +130,7 @@
 #include    "config.h"
 
 /*     "@(#)arch.c     8.2 (Berkeley) 1/2/94"  */
-MAKE_RCSID("$NetBSD: arch.c,v 1.139 2020/10/23 18:36:09 rillig Exp $");
+MAKE_RCSID("$NetBSD: arch.c,v 1.140 2020/10/23 19:48:17 rillig Exp $");
 
 #ifdef TARGET_MACHINE
 #undef MAKE_MACHINE
@@ -1060,7 +1060,7 @@
  * given that it is a target on a dependency line somewhere:
  *
  *     Its modification time is less than that of one of its sources
- *     (gn->mtime < gn->cmgn->mtime).
+ *     (gn->mtime < gn->youngestChild->mtime).
  *
  *     Its modification time is greater than the time at which the make
  *     began (i.e. it's been modified in the course of the make, probably
@@ -1088,9 +1088,10 @@
        oodate = TRUE;
     } else if (!GNode_IsTarget(gn) && Lst_IsEmpty(gn->children)) {
        oodate = FALSE;
-    } else if ((!Lst_IsEmpty(gn->children) && gn->cmgn == NULL) ||
+    } else if ((!Lst_IsEmpty(gn->children) && gn->youngestChild == NULL) ||
               (gn->mtime > now) ||
-              (gn->cmgn != NULL && gn->mtime < gn->cmgn->mtime)) {
+              (gn->youngestChild != NULL &&
+               gn->mtime < gn->youngestChild->mtime)) {
        oodate = TRUE;
     } else {
 #ifdef RANLIBMAG
@@ -1105,7 +1106,7 @@
            if (DEBUG(ARCH) || DEBUG(MAKE)) {
                debug_printf("%s modified %s...", RANLIBMAG, Targ_FmtTime(modTimeTOC));
            }
-           oodate = (gn->cmgn == NULL || gn->cmgn->mtime > modTimeTOC);
+           oodate = (gn->youngestChild == NULL || gn->youngestChild->mtime > modTimeTOC);
        } else {
            /*
             * A library w/o a table of contents is out-of-date
diff -r afb5ffd84172 -r 5aba2bda1999 usr.bin/make/compat.c
--- a/usr.bin/make/compat.c     Fri Oct 23 19:28:17 2020 +0000
+++ b/usr.bin/make/compat.c     Fri Oct 23 19:48:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: compat.c,v 1.166 2020/10/18 07:46:04 rillig Exp $      */
+/*     $NetBSD: compat.c,v 1.167 2020/10/23 19:48:17 rillig Exp $      */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -96,7 +96,7 @@
 #include "pathnames.h"
 
 /*     "@(#)compat.c   8.2 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: compat.c,v 1.166 2020/10/18 07:46:04 rillig Exp $");
+MAKE_RCSID("$NetBSD: compat.c,v 1.167 2020/10/23 19:48:17 rillig Exp $");
 
 static GNode *curTarg = NULL;
 static pid_t compatChild;
@@ -512,7 +512,7 @@
        }
 
        /*
-        * All the children were made ok. Now cmgn->mtime contains the
+        * All the children were made ok. Now youngestChild->mtime contains the
         * modification time of the newest child, we need to find out if we
         * exist and when we were modified last. The criteria for datedness
         * are defined by the Make_OODate function.
diff -r afb5ffd84172 -r 5aba2bda1999 usr.bin/make/make.c
--- a/usr.bin/make/make.c       Fri Oct 23 19:28:17 2020 +0000
+++ b/usr.bin/make/make.c       Fri Oct 23 19:48:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.c,v 1.177 2020/10/23 18:36:09 rillig Exp $        */
+/*     $NetBSD: make.c,v 1.178 2020/10/23 19:48:17 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -81,12 +81,12 @@
  *
  *     Make_Update     Update all parents of a given child. Performs
  *                     various bookkeeping chores like the updating
- *                     of the cmgn field of the parent, filling
+ *                     of the youngestChild field of the parent, filling
  *                     of the IMPSRC context variable, etc. It will
  *                     place the parent on the toBeMade queue if it
  *                     should be.
  *
- *     Make_TimeStamp  Function to set the parent's cmgn field
+ *     Make_TimeStamp  Function to set the parent's youngestChild field
  *                     based on a child's modification time.
  *
  *     Make_DoAllVar   Set up the various local variables for a
@@ -107,7 +107,7 @@
 #include    "job.h"
 
 /*     "@(#)make.c     8.1 (Berkeley) 6/6/93"  */
-MAKE_RCSID("$NetBSD: make.c,v 1.177 2020/10/23 18:36:09 rillig Exp $");
+MAKE_RCSID("$NetBSD: make.c,v 1.178 2020/10/23 19:48:17 rillig Exp $");
 
 /* Sequence # to detect recursion. */
 static unsigned int checked = 1;
@@ -187,8 +187,8 @@
 void
 Make_TimeStamp(GNode *pgn, GNode *cgn)
 {
-    if (pgn->cmgn == NULL || cgn->mtime > pgn->cmgn->mtime) {
-       pgn->cmgn = cgn;
+    if (pgn->youngestChild == NULL || cgn->mtime > pgn->youngestChild->mtime) {
+       pgn->youngestChild = cgn;
     }
 }
 
@@ -200,7 +200,7 @@
  * must be considered out-of-date since at least one of its children
  * will have been recreated.
  *
- * The mtime field of the node and the cmgn field of its parents
+ * The mtime field of the node and the youngestChild field of its parents
  * may be changed.
  */
 Boolean
@@ -253,7 +253,7 @@
         * or non-existent.
         */
        oodate = (gn->mtime == 0 || Arch_LibOODate(gn) ||
-                 (gn->cmgn == NULL && (gn->type & OP_DOUBLEDEP)));
+                 (gn->youngestChild == NULL && (gn->type & OP_DOUBLEDEP)));
     } else if (gn->type & OP_JOIN) {
        /*
         * A target with the .JOIN attribute is only considered
@@ -277,22 +277,25 @@
            }
        }
        oodate = TRUE;
-    } else if ((gn->cmgn != NULL && gn->mtime < gn->cmgn->mtime) ||
-              (gn->cmgn == NULL &&
+    } else if ((gn->youngestChild != NULL &&
+               gn->mtime < gn->youngestChild->mtime) ||
+              (gn->youngestChild == NULL &&
                ((gn->mtime == 0 && !(gn->type & OP_OPTIONAL))
-                 || gn->type & OP_DOUBLEDEP)))
+                || gn->type & OP_DOUBLEDEP)))
     {
        /*
         * A node whose modification time is less than that of its
-        * youngest child or that has no children (cmgn == NULL) and
+        * youngest child or that has no children (youngestChild == NULL) and
         * either doesn't exist (mtime == 0) and it isn't optional
         * or was the object of a * :: operator is out-of-date.
         * Why? Because that's the way Make does it.
         */
        if (DEBUG(MAKE)) {
-           if (gn->cmgn != NULL && gn->mtime < gn->cmgn->mtime) {
+           if (gn->youngestChild != NULL &&
+               gn->mtime < gn->youngestChild->mtime) {
                debug_printf("modified before source %s...",
-                            gn->cmgn->path ? gn->cmgn->path : gn->cmgn->name);
+                            gn->youngestChild->path ? gn->youngestChild->path
+                                                    : gn->youngestChild->name);
            } else if (gn->mtime == 0) {
                debug_printf("non-existent and no sources...");
            } else {
@@ -354,7 +357,7 @@
 
 /* Find the pathname of a child that was already made.
  *
- * The path and mtime of the node and the cmgn of the parent are
+ * The path and mtime of the node and the youngestChild of the parent are
  * updated; the unmade children count of the parent is decremented.
  *
  * Input:
@@ -594,7 +597,7 @@
  * If the child is not up-to-date and still does not exist,
  * set the FORCE flag on the parents.
  *
- * If the child wasn't made, the cmgn field of the parent will be
+ * If the child wasn't made, the youngestChild field of the parent will be
  * altered if the child's mtime is big enough.
  *
  * Finally, if the child is the implied source for the parent, the
@@ -667,7 +670,7 @@
 
        /*
         * If the parent has the .MADE attribute, its timestamp got
-        * updated to that of its newest child, and its unmake
+        * updated to that of its newest child, and its unmade
         * child count got set to zero in Make_ExpandUse().
         * However other things might cause us to build one of its
         * children - and so we mustn't do any processing here when
diff -r afb5ffd84172 -r 5aba2bda1999 usr.bin/make/make.h
--- a/usr.bin/make/make.h       Fri Oct 23 19:28:17 2020 +0000
+++ b/usr.bin/make/make.h       Fri Oct 23 19:48:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.h,v 1.165 2020/10/23 19:11:30 rillig Exp $        */
+/*     $NetBSD: make.h,v 1.166 2020/10/23 19:48:17 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -321,7 +321,7 @@
     /* The modification time; 0 means the node does not have a corresponding
      * file; see Make_OODate. */
     time_t mtime;
-    struct GNode *cmgn;                /* The youngest child */
+    struct GNode *youngestChild;
 
     /* The GNodes for which this node is an implied source. May be empty.
      * For example, when there is an inference rule for .c.o, the node for
diff -r afb5ffd84172 -r 5aba2bda1999 usr.bin/make/targ.c
--- a/usr.bin/make/targ.c       Fri Oct 23 19:28:17 2020 +0000
+++ b/usr.bin/make/targ.c       Fri Oct 23 19:48:17 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: targ.c,v 1.121 2020/10/23 18:36:10 rillig Exp $        */
+/*     $NetBSD: targ.c,v 1.122 2020/10/23 19:48:17 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -121,7 +121,7 @@
 #include "dir.h"
 
 /*     "@(#)targ.c     8.2 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: targ.c,v 1.121 2020/10/23 18:36:10 rillig Exp $");
+MAKE_RCSID("$NetBSD: targ.c,v 1.122 2020/10/23 19:48:17 rillig Exp $");
 
 static GNodeList *allTargets;  /* the list of all targets found so far */
 #ifdef CLEANUP
@@ -189,7 +189,7 @@
     gn->flags = 0;
     gn->checked_seqno = 0;
     gn->mtime = 0;
-    gn->cmgn = NULL;
+    gn->youngestChild = NULL;
     gn->implicitParents = Lst_New();
     gn->cohorts = Lst_New();
     gn->parents = Lst_New();



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