Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 138 insertions, 0 deletions

diff --git a/soltools/cpp/_nlist.c b/soltools/cpp/_nlist.c
new file mode 100644
index 000000000..096cc525f
--- /dev/null
+++ b/soltools/cpp/_nlist.c
@@ -0,0 +1,138 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "cpp.h"
+
+extern int Cplusplus;
+Nlist *kwdefined;
+char wd[128];
+
+/*
+    ER: Table was made extra large, because there seems to be a problem with the
+    chaining. An nlist->next is sometimes overwritten somewhere, which
+    results in a SIGSEGV. I canceled the GDB with watchpoint after 2 days, though...
+    It works this way for now...
+ */
+#define NLSIZE 15000
+
+static Nlist *nlist[NLSIZE];
+
+struct kwtab
+{
+    char *kw;
+    int val;
+    int flag;
+};
+
+static const struct kwtab kwtab[] =
+{
+        {"if", KIF, ISKW},
+        {"ifdef", KIFDEF, ISKW},
+        {"ifndef", KIFNDEF, ISKW},
+        {"elif", KELIF, ISKW},
+        {"else", KELSE, ISKW},
+        {"endif", KENDIF, ISKW},
+        {"include", KINCLUDE, ISKW},
+        {"include_next", KINCLUDENEXT, ISKW},
+        {"import", KIMPORT, ISKW},
+        {"define", KDEFINE, ISKW},
+        {"undef", KUNDEF, ISKW},
+        {"line", KLINE, ISKW},
+        {"error", KERROR, ISKW},
+        {"pragma", KPRAGMA, ISKW},
+        {"ident", KIDENT, ISKW},
+        {"eval", KEVAL, ISKW},
+        {"defined", KDEFINED, ISDEFINED + ISUNCHANGE},
+        {"machine", KMACHINE, ISDEFINED + ISUNCHANGE},
+        {"__LINE__", KLINENO, ISMAC + ISUNCHANGE},
+        {"__FILE__", KFILE, ISMAC + ISUNCHANGE},
+        {"__DATE__", KDATE, ISMAC + ISUNCHANGE},
+        {"__TIME__", KTIME, ISMAC + ISUNCHANGE},
+        {"__STDC__", KSTDC, ISUNCHANGE},
+        {NULL, 0, 0}
+};
+
+unsigned long namebit[077 + 1];
+
+void
+    setup_kwtab(void)
+{
+    struct kwtab const *kp;
+    Nlist *np;
+    Token t;
+    static Token deftoken[1] = {{NAME, 0, 7, (uchar *) "defined", 0}};
+    static Tokenrow deftr = {deftoken, deftoken, deftoken + 1, 1};
+
+    for (kp = kwtab; kp->kw; kp++)
+    {
+        t.t = (uchar *) kp->kw;
+        t.len = strlen(kp->kw);
+        np = lookup(&t, 1);
+        np->flag = (char) kp->flag;
+        np->val = (char) kp->val;
+        if (np->val == KDEFINED)
+        {
+            kwdefined = np;
+            np->val = NAME;
+            np->vp = &deftr;
+            np->ap = NULL;
+        }
+    }
+}
+
+Nlist *
+    lookup(Token * tp, int install)
+{
+    unsigned int h;
+    Nlist *np;
+    uchar *cp, *cpe;
+
+    h = 0;
+    for (cp = tp->t, cpe = cp + tp->len; cp < cpe;)
+        h += *cp++;
+    h %= NLSIZE;
+    np = nlist[h];
+    while (np)
+    {
+        if (*tp->t == *np->name && tp->len == (unsigned int)np->len
+            && strncmp((char *)tp->t, (char *)np->name, tp->len) == 0)
+            return np;
+        np = np->next;
+    }
+    if (install)
+    {
+        np = new(Nlist);
+        np->vp = NULL;
+        np->ap = NULL;
+        np->flag = 0;
+        np->val = 0;
+        np->len = tp->len;
+        np->name = newstring(tp->t, tp->len, 0);
+        np->next = nlist[h];
+        nlist[h] = np;
+        quickset(tp->t[0], tp->len > 1 ? tp->t[1] : 0);
+        return np;
+    }
+    return NULL;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */