cd8e720b06
Whatever those _POSIX_ for _MSV_VER were supposed to be good for (have been in
there at least ever since 4f4b74153d
"Moved cpp
from cpp to soltools"), but cause -Wunused-macros at least when building with
clang-cl.
Change-Id: I356bf663cd1e86298ba72a179f46bb9d0c10016b
250 lines
6.1 KiB
C
250 lines
6.1 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#if (defined(_WIN32) || defined(__IBMC__))
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# include <io.h>
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#else
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# include <unistd.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#if defined(__IBMC__) || defined(__EMX__) || defined(_MSC_VER)
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# include <fcntl.h>
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# ifndef PATH_MAX
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# define PATH_MAX _MAX_PATH
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# endif
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#endif
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#include <limits.h>
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#include "cpp.h"
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Includelist includelist[NINCLUDE];
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Wraplist wraplist[NINCLUDE];
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void
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doinclude(Tokenrow * trp, int depth, int import)
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{
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char fname[PATH_MAX], iname[PATH_MAX];
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Includelist *ip;
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int angled, fd, i;
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size_t len;
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trp->tp += 1;
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if (trp->tp >= trp->lp)
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goto syntax;
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if (trp->tp->type != STRING && trp->tp->type != LT)
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{
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len = trp->tp - trp->bp;
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expandrow(trp, "<include>");
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trp->tp = trp->bp + len;
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}
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if (trp->tp->type == STRING)
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{
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len = trp->tp->len - 2;
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if (len > sizeof(fname) - 1)
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len = sizeof(fname) - 1;
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strncpy(fname, (char *) trp->tp->t + 1, len);
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angled = 0;
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}
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else
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{
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if (trp->tp->type == LT)
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{
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len = 0;
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trp->tp++;
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while (trp->tp->type != GT)
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{
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if (trp->tp > trp->lp || len + trp->tp->len + 2 >= sizeof(fname))
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goto syntax;
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strncpy(fname + len, (char *) trp->tp->t, trp->tp->len);
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len += trp->tp->len;
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trp->tp++;
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}
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angled = 1;
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}
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else
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goto syntax;
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}
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trp->tp += 2;
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if (trp->tp < trp->lp || len == 0)
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goto syntax;
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fname[len] = '\0';
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if (fname[0] == '/')
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{
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fd = open(fname, O_RDONLY);
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strcpy(iname, fname);
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}
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else
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{
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for (fd = -1, i = (depth < 0) ? (NINCLUDE - 1) : (depth - 1); i >= 0; i--)
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{
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ip = &includelist[i];
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if (ip->file == NULL || ip->deleted || (angled && ip->always == 0))
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continue;
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if (strlen(fname) + strlen(ip->file) + 2 > sizeof(iname))
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continue;
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strcpy(iname, ip->file);
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strcat(iname, "/");
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strcat(iname, fname);
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if ((fd = open(iname, O_RDONLY)) >= 0)
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break;
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}
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}
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if (fd >= 0)
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{
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if (++incdepth > NINC )
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error(FATAL, "#%s too deeply nested", import ? "import" : "include");
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if (Xflag)
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genimport(fname, angled, iname, import);
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if (Iflag)
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error(INFO, "Open %s file [%s]", import ? "import" : "include", iname );
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for (i = NINCLUDE - 1; i >= 0; i--)
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{
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if ((wraplist[i].file != NULL) &&
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(strncmp(wraplist[i].file, iname, strlen(wraplist[i].file)) == 0))
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break;
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}
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setsource((char *) newstring((uchar *) iname, strlen(iname), 0), i, fd, NULL, (i >= 0) ? 1 : 0);
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if (!Pflag)
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genline();
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}
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else
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{
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trp->tp = trp->bp + 2;
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error(ERROR, "Could not find %s file %r", import ? "import" : "include", trp);
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}
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return;
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syntax:
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error(ERROR, "Syntax error in #%s", import ? "import" : "include");
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return;
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}
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/*
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* Generate a line directive for cursource
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*/
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void
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genline(void)
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{
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static Token ta = {UNCLASS, 0, 0, 0, NULL, 0};
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static Tokenrow tr = {&ta, &ta, &ta + 1, 1};
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uchar *p;
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ta.t = p = (uchar *) outptr;
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strcpy((char *) p, "#line ");
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p += sizeof("#line ") - 1;
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p = (uchar *) outnum((char *) p, cursource->line);
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*p++ = ' ';
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*p++ = '"';
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if (cursource->filename[0] != '/' && wd[0])
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{
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strcpy((char *) p, wd);
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p += strlen(wd);
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*p++ = '/';
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}
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strcpy((char *) p, cursource->filename);
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p += strlen((char *) p);
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*p++ = '"';
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*p++ = '\n';
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ta.len = (char *) p - outptr;
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outptr = (char *) p;
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tr.tp = tr.bp;
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puttokens(&tr);
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}
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/*
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* Generate a pragma import/include directive
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*/
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void
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genimport(char *fname, int angled, char *iname, int import)
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{
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static Token ta = {UNCLASS, 0, 0, 0, NULL, 0};
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static Tokenrow tr = {&ta, &ta, &ta + 1, 1};
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uchar *p;
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ta.t = p = (uchar *) outptr;
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if (import)
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strcpy((char *) p, "#pragma import");
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else
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strcpy((char *) p, "#pragma include");
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p += strlen((char *) p);
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*p++ = '(';
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*p++ = angled ? '<' : '"';
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strcpy((char *) p, fname);
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p += strlen(fname);
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*p++ = angled ? '>' : '"';
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*p++ = ',';
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*p++ = '"';
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strcpy((char *) p, iname);
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p += strlen(iname);
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*p++ = '"';
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*p++ = ')';
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*p++ = '\n';
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ta.len = (char *) p - outptr;
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outptr = (char *) p;
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tr.tp = tr.bp;
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puttokens(&tr);
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}
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/*
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* Generate a extern C directive
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*/
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void
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genwrap(int end)
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{
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static Token ta = {UNCLASS, 0, 0, 0, NULL, 0};
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static Tokenrow tr = {&ta, &ta, &ta + 1, 1};
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uchar *p;
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if (Cplusplus)
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{
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ta.t = p = (uchar *) outptr;
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if (! end)
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strcpy((char *) p, "extern \"C\" {");
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else
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strcpy((char *) p, "}");
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p += strlen((char *) p);
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*p++ = '\n';
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ta.len = (char *) p - outptr;
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outptr = (char *) p;
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tr.tp = tr.bp;
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puttokens(&tr);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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