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[src/trunk]: src/usr.bin/make make(1): inline Lst_ForEachUntil when parsing d...



details:   https://anonhg.NetBSD.org/src/rev/9577d233e311
branches:  trunk
changeset: 976574:9577d233e311
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Sep 27 12:42:09 2020 +0000

description:
make(1): inline Lst_ForEachUntil when parsing dependency lines

This avoids a few operations on void pointers.

diffstat:

 usr.bin/make/parse.c |  49 ++++++++++++++++++-------------------------------
 1 files changed, 18 insertions(+), 31 deletions(-)

diffs (106 lines):

diff -r 5f82c80620b4 -r 9577d233e311 usr.bin/make/parse.c
--- a/usr.bin/make/parse.c      Sun Sep 27 12:26:23 2020 +0000
+++ b/usr.bin/make/parse.c      Sun Sep 27 12:42:09 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: parse.c,v 1.336 2020/09/27 12:26:23 rillig Exp $       */
+/*     $NetBSD: parse.c,v 1.337 2020/09/27 12:42:09 rillig Exp $       */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -131,7 +131,7 @@
 #include "pathnames.h"
 
 /*     "@(#)parse.c    8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: parse.c,v 1.336 2020/09/27 12:26:23 rillig Exp $");
+MAKE_RCSID("$NetBSD: parse.c,v 1.337 2020/09/27 12:42:09 rillig Exp $");
 
 /* types and constants */
 
@@ -819,31 +819,9 @@
     }
 }
 
-/*-
- *---------------------------------------------------------------------
- * ParseDoOp  --
- *     Apply the parsed operator to the given target node. Used in a
- *     Lst_ForEachUntil call by ParseDoDependency once all targets have
- *     been found and their operator parsed. If the previous and new
- *     operators are incompatible, a major error is taken.
- *
- * Input:
- *     gnp             The node to which the operator is to be applied
- *     opp             The operator to apply
- *
- * Results:
- *     Always 0
- *
- * Side Effects:
- *     The type field of the node is altered to reflect any new bits in
- *     the op.
- *---------------------------------------------------------------------
- */
-static int
-ParseDoOp(void *gnp, void *opp)
+static Boolean
+TryApplyDependencyOperator(GNode *gn, GNodeType op)
 {
-    GNode          *gn = (GNode *)gnp;
-    int             op = *(int *)opp;
     /*
      * If the dependency mask of the operator and the node don't match and
      * the node has actually had an operator applied to it before, and
@@ -853,7 +831,7 @@
        !OP_NOP(gn->type) && !OP_NOP(op))
     {
        Parse_Error(PARSE_FATAL, "Inconsistent operator for %s", gn->name);
-       return 1;
+       return FALSE;
     }
 
     if (op == OP_DOUBLEDEP && (gn->type & OP_OPMASK) == OP_DOUBLEDEP) {
@@ -897,7 +875,16 @@
        gn->type |= op;
     }
 
-    return 0;
+    return TRUE;
+}
+
+static void
+ApplyDependencyOperator(GNodeType op)
+{
+    GNodeListNode *ln;
+    for (ln = targets->first; ln != NULL; ln = ln->next)
+        if (!TryApplyDependencyOperator(ln->datum, op))
+           break;
 }
 
 /*-
@@ -933,7 +920,7 @@
        if (keywd != -1) {
            int op = parseKeywords[keywd].op;
            if (op != 0) {
-               Lst_ForEachUntil(targets, ParseDoOp, &op);
+               ApplyDependencyOperator(op);
                return;
            }
            if (parseKeywords[keywd].spec == Wait) {
@@ -1158,7 +1145,7 @@
     typedef List SearchPathList;
 
     char          *cp;         /* our current position */
-    int             op;                /* the operator on the line */
+    GNodeType op;              /* the operator on the line */
     char            savec;     /* a place to save a character */
     SearchPathList *paths;     /* search paths to alter when parsing
                                 * a list of .PATH targets */
@@ -1483,7 +1470,7 @@
      * operator a target was defined with. It fails if the operator
      * used isn't consistent across all references.
      */
-    Lst_ForEachUntil(targets, ParseDoOp, &op);
+    ApplyDependencyOperator(op);
 
     /*
      * Onward to the sources.



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