Add --savable to support model save/restore.

src/V3String.cpp

@@ -0,0 +1,72 @@
+// -*- mode: C++; c-file-style: "cc-mode" -*-
+//*************************************************************************
+// DESCRIPTION: Verilator: Options parsing
+//
+// Code available from: http://www.veripool.org/verilator
+//
+//*************************************************************************
+//
+// Copyright 2003-2012 by Wilson Snyder.  This program is free software; you can
+// redistribute it and/or modify it under the terms of either the GNU
+// Lesser General Public License Version 3 or the Perl Artistic License
+// Version 2.0.
+//
+// Verilator is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+//*************************************************************************
+
+#include "config_build.h"
+#include "verilatedos.h"
+
+#include "V3String.h"
+
+//######################################################################
+// Wildcard
+
+// Double procedures, inlined, unrolls loop much better
+inline bool VString::wildmatchi(const char* s, const char* p) {
+    for ( ; *p; s++, p++) {
+	if (*p!='*') {
+	    if (((*s)!=(*p)) && *p != '?')
+		return false;
+	}
+	else {
+	    // Trailing star matches everything.
+	    if (!*++p) return true;
+	    while (wildmatch(s, p) == false)
+		if (*++s == '\0')
+		    return false;
+	    return true;
+	}
+    }
+    return (*s == '\0');
+}
+
+bool VString::wildmatch(const char* s, const char* p) {
+    for ( ; *p; s++, p++) {
+	if (*p!='*') {
+	    if (((*s)!=(*p)) && *p != '?')
+		return false;
+	}
+	else {
+	    // Trailing star matches everything.
+	    if (!*++p) return true;
+	    while (wildmatchi(s, p) == false)
+		if (*++s == '\0')
+		    return false;
+	    return true;
+	}
+    }
+    return (*s == '\0');
+}
+
+string VString::downcase(const string& str) {
+    string out = str;
+    for (string::iterator pos = out.begin(); pos != out.end(); ++pos) {
+	*pos = tolower(*pos);
+    }
+    return out;
+}