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Diffstat (limited to '')
| -rw-r--r-- | soltools/cpp/_include.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/soltools/cpp/_include.c b/soltools/cpp/_include.c new file mode 100644 index 000000000..19d14ae68 --- /dev/null +++ b/soltools/cpp/_include.c @@ -0,0 +1,250 @@ +/* -*- 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 . + */ + +#if (defined(_WIN32) || defined(__IBMC__)) +# include <io.h> +#else +# include <unistd.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <fcntl.h> + +#if defined(__IBMC__) || defined(__EMX__) || defined(_MSC_VER) +# include <fcntl.h> +# ifndef PATH_MAX +# define PATH_MAX _MAX_PATH +# endif +#endif +#include <limits.h> + +#include "cpp.h" + +Includelist includelist[NINCLUDE]; +Wraplist wraplist[NINCLUDE]; + +void + doinclude(Tokenrow * trp, int depth, int import) +{ + char fname[PATH_MAX], iname[PATH_MAX]; + Includelist *ip; + int angled, fd, i; + size_t len; + + trp->tp += 1; + if (trp->tp >= trp->lp) + goto syntax; + if (trp->tp->type != STRING && trp->tp->type != LT) + { + len = trp->tp - trp->bp; + expandrow(trp, "<include>"); + trp->tp = trp->bp + len; + } + if (trp->tp->type == STRING) + { + len = trp->tp->len - 2; + if (len > sizeof(fname) - 1) + len = sizeof(fname) - 1; + strncpy(fname, (char *) trp->tp->t + 1, len); + angled = 0; + } + else + { + if (trp->tp->type == LT) + { + len = 0; + trp->tp++; + while (trp->tp->type != GT) + { + if (trp->tp > trp->lp || len + trp->tp->len + 2 >= sizeof(fname)) + goto syntax; + strncpy(fname + len, (char *) trp->tp->t, trp->tp->len); + len += trp->tp->len; + trp->tp++; + } + angled = 1; + } + else + goto syntax; + } + trp->tp += 2; + if (trp->tp < trp->lp || len == 0) + goto syntax; + fname[len] = '\0'; + if (fname[0] == '/') + { + fd = open(fname, O_RDONLY); + strcpy(iname, fname); + } + else + { + for (fd = -1, i = (depth < 0) ? (NINCLUDE - 1) : (depth - 1); i >= 0; i--) + { + ip = &includelist[i]; + if (ip->file == NULL || ip->deleted || (angled && ip->always == 0)) + continue; + if (strlen(fname) + strlen(ip->file) + 2 > sizeof(iname)) + continue; + strcpy(iname, ip->file); + strcat(iname, "/"); + strcat(iname, fname); + if ((fd = open(iname, O_RDONLY)) >= 0) + break; + } + } + + if (fd >= 0) + { + if (++incdepth > NINC ) + error(FATAL, "#%s too deeply nested", import ? "import" : "include"); + if (Xflag) + genimport(fname, angled, iname, import); + if (Iflag) + error(INFO, "Open %s file [%s]", import ? "import" : "include", iname ); + + for (i = NINCLUDE - 1; i >= 0; i--) + { + if ((wraplist[i].file != NULL) && + (strncmp(wraplist[i].file, iname, strlen(wraplist[i].file)) == 0)) + break; + } + + setsource((char *) newstring((uchar *) iname, strlen(iname), 0), i, fd, NULL, (i >= 0) ? 1 : 0); + + if (!Pflag) + genline(); + } + else + { + trp->tp = trp->bp + 2; + error(ERROR, "Could not find %s file %r", import ? "import" : "include", trp); + } + return; +syntax: + error(ERROR, "Syntax error in #%s", import ? "import" : "include"); + return; +} + +/* + * Generate a line directive for cursource + */ +void + genline(void) +{ + static Token ta = {UNCLASS, 0, 0, NULL, 0}; + static Tokenrow tr = {&ta, &ta, &ta + 1, 1}; + uchar *p; + + ta.t = p = (uchar *) outptr; + strcpy((char *) p, "#line "); + p += sizeof("#line ") - 1; + p = (uchar *) outnum((char *) p, cursource->line); + *p++ = ' '; + *p++ = '"'; + if (cursource->filename[0] != '/' && wd[0]) + { + strcpy((char *) p, wd); + p += strlen(wd); + *p++ = '/'; + } + strcpy((char *) p, cursource->filename); + p += strlen((char *) p); + *p++ = '"'; + *p++ = '\n'; + ta.len = (char *) p - outptr; + outptr = (char *) p; + tr.tp = tr.bp; + puttokens(&tr); +} + +/* + * Generate a pragma import/include directive + */ +void + genimport(char const *fname, int angled, char const *iname, int import) +{ + static Token ta = {UNCLASS, 0, 0, NULL, 0}; + static Tokenrow tr = {&ta, &ta, &ta + 1, 1}; + uchar *p; + + ta.t = p = (uchar *) outptr; + + if (import) + strcpy((char *) p, "#pragma import"); + else + strcpy((char *) p, "#pragma include"); + + p += strlen((char *) p); + + *p++ = '('; + + *p++ = angled ? '<' : '"'; + strcpy((char *) p, fname); + p += strlen(fname); + *p++ = angled ? '>' : '"'; + + *p++ = ','; + + *p++ = '"'; + strcpy((char *) p, iname); + p += strlen(iname); + *p++ = '"'; + + *p++ = ')'; + *p++ = '\n'; + + ta.len = (char *) p - outptr; + outptr = (char *) p; + tr.tp = tr.bp; + puttokens(&tr); +} + +/* + * Generate an extern C directive + */ +void + genwrap(int end) +{ + static Token ta = {UNCLASS, 0, 0, NULL, 0}; + static Tokenrow tr = {&ta, &ta, &ta + 1, 1}; + uchar *p; + + if (!Cplusplus) + return; + + ta.t = p = (uchar *) outptr; + + if (! end) + strcpy((char *) p, "extern \"C\" {"); + else + strcpy((char *) p, "}"); + + p += strlen((char *) p); + + *p++ = '\n'; + + ta.len = (char *) p - outptr; + outptr = (char *) p; + tr.tp = tr.bp; + puttokens(&tr); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |