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[src/trunk]: src/usr.bin/make make(1): remove complicated code to find the de...



details:   https://anonhg.NetBSD.org/src/rev/4b111b2359cc
branches:  trunk
changeset: 945983:4b111b2359cc
user:      rillig <rillig%NetBSD.org@localhost>
date:      Thu Nov 12 20:06:37 2020 +0000

description:
make(1): remove complicated code to find the definition for plain .if

diffstat:

 usr.bin/make/cond.c |  17 ++++-------------
 1 files changed, 4 insertions(+), 13 deletions(-)

diffs (52 lines):

diff -r 6eae2fab3726 -r 4b111b2359cc usr.bin/make/cond.c
--- a/usr.bin/make/cond.c       Thu Nov 12 20:01:27 2020 +0000
+++ b/usr.bin/make/cond.c       Thu Nov 12 20:06:37 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cond.c,v 1.207 2020/11/12 20:01:27 rillig Exp $        */
+/*     $NetBSD: cond.c,v 1.208 2020/11/12 20:06:37 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -93,7 +93,7 @@
 #include "dir.h"
 
 /*     "@(#)cond.c     8.2 (Berkeley) 1/2/94"  */
-MAKE_RCSID("$NetBSD: cond.c,v 1.207 2020/11/12 20:01:27 rillig Exp $");
+MAKE_RCSID("$NetBSD: cond.c,v 1.208 2020/11/12 20:06:37 rillig Exp $");
 
 /*
  * The parsing of conditional expressions is based on this grammar:
@@ -513,6 +513,7 @@
     { "",      0, FALSE, FuncDefined },
     { NULL,    0, FALSE, NULL }
 };
+enum { PLAIN_IF_INDEX = 4 };
 
 static Boolean
 If_Eval(const struct If *if_info, const char *arg, size_t arglen)
@@ -1028,7 +1029,6 @@
 CondEvalExpression(const struct If *info, const char *cond, Boolean *value,
                    Boolean eprint, Boolean strictLHS)
 {
-    static const struct If *dflt_info;
     CondParser par;
     CondEvalResult rval;
 
@@ -1036,16 +1036,7 @@
 
     cpp_skip_hspace(&cond);
 
-    if (info == NULL && (info = dflt_info) == NULL) {
-       /* Scan for the entry for .if - it can't be first */
-       for (info = ifs;; info++)
-           if (info->form[0] == '\0')
-               break;
-       dflt_info = info;
-    }
-    assert(info != NULL);
-
-    par.if_info = info;
+    par.if_info = info != NULL ? info : ifs + PLAIN_IF_INDEX;
     par.p = cond;
     par.curr = TOK_NONE;
     par.printedError = FALSE;



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