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[src/trunk]: src/usr.bin/make make(1): extract EvalUndefined from ParseVarnam...
details: https://anonhg.NetBSD.org/src/rev/026a012e29a8
branches: trunk
changeset: 942084:026a012e29a8
user: rillig <rillig%NetBSD.org@localhost>
date: Thu Nov 05 20:50:13 2020 +0000
description:
make(1): extract EvalUndefined from ParseVarnameLong
diffstat:
usr.bin/make/var.c | 74 ++++++++++++++++++++++++++++++-----------------------
1 files changed, 42 insertions(+), 32 deletions(-)
diffs (102 lines):
diff -r 1bf1a7dca0dc -r 026a012e29a8 usr.bin/make/var.c
--- a/usr.bin/make/var.c Thu Nov 05 20:03:56 2020 +0000
+++ b/usr.bin/make/var.c Thu Nov 05 20:50:13 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: var.c,v 1.662 2020/11/05 18:43:55 rillig Exp $ */
+/* $NetBSD: var.c,v 1.663 2020/11/05 20:50:13 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@@ -130,7 +130,7 @@
#include "metachar.h"
/* "@(#)var.c 8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: var.c,v 1.662 2020/11/05 18:43:55 rillig Exp $");
+MAKE_RCSID("$NetBSD: var.c,v 1.663 2020/11/05 20:50:13 rillig Exp $");
#define VAR_DEBUG1(fmt, arg1) DEBUG1(VAR, fmt, arg1)
#define VAR_DEBUG2(fmt, arg1, arg2) DEBUG2(VAR, fmt, arg1, arg2)
@@ -3648,6 +3648,44 @@
}
}
+static VarParseResult
+EvalUndefined(
+ Boolean dynamic,
+ const char *start,
+ const char *p, char *varname,
+ VarEvalFlags eflags,
+ void **out_freeIt,
+ const char **out_val
+) {
+ if (dynamic) {
+ char *pstr = bmake_strsedup(start, p);
+ free(varname);
+ *out_freeIt = pstr;
+ *out_val = pstr;
+ return VPR_OK;
+ }
+
+ if ((eflags & VARE_UNDEFERR) && (eflags & VARE_WANTRES) &&
+ DEBUG(LINT))
+ {
+ Parse_Error(PARSE_FATAL, "Variable \"%s\" is undefined",
+ varname);
+ free(varname);
+ *out_val = var_Error;
+ return VPR_UNDEF_MSG;
+ }
+
+ if (eflags & VARE_UNDEFERR) {
+ free(varname);
+ *out_val = var_Error;
+ return VPR_UNDEF_SILENT;
+ }
+
+ free(varname);
+ *out_val = varUndefined;
+ return VPR_OK;
+}
+
/* Parse a long variable name enclosed in braces or parentheses such as $(VAR)
* or ${VAR}, up to the closing brace or parenthesis, or in the case of
* ${VAR:Modifiers}, up to the ':' that starts the modifiers.
@@ -3713,36 +3751,8 @@
if (!haveModifier) {
p++; /* skip endc */
*pp = p;
- if (dynamic) {
- char *pstr = bmake_strsedup(start, p);
- free(varname);
- *out_FALSE_res = VPR_OK;
- *out_FALSE_freeIt = pstr;
- *out_FALSE_val = pstr;
- return FALSE;
- }
-
- if ((eflags & VARE_UNDEFERR) && (eflags & VARE_WANTRES) &&
- DEBUG(LINT))
- {
- Parse_Error(PARSE_FATAL, "Variable \"%s\" is undefined",
- varname);
- free(varname);
- *out_FALSE_res = VPR_UNDEF_MSG;
- *out_FALSE_val = var_Error;
- return FALSE;
- }
-
- if (eflags & VARE_UNDEFERR) {
- free(varname);
- *out_FALSE_res = VPR_UNDEF_SILENT;
- *out_FALSE_val = var_Error;
- return FALSE;
- }
-
- free(varname);
- *out_FALSE_res = VPR_OK;
- *out_FALSE_val = varUndefined;
+ *out_FALSE_res = EvalUndefined(dynamic, start, p, varname, eflags,
+ out_FALSE_freeIt, out_FALSE_val);
return FALSE;
}
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