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Diffstat (limited to 'rsc/source/rscpp/cpp2.c')
| -rw-r--r-- | rsc/source/rscpp/cpp2.c | 627 |
1 files changed, 0 insertions, 627 deletions
diff --git a/rsc/source/rscpp/cpp2.c b/rsc/source/rscpp/cpp2.c deleted file mode 100644 index 6561758365..0000000000 --- a/rsc/source/rscpp/cpp2.c +++ /dev/null @@ -1,627 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org 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 Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -#include <stdio.h> -#include <ctype.h> -#include "cppdef.h" -#include "cpp.h" -#if HOST == SYS_VMS -/* - * Include the rms stuff. (We can't just include rms.h as it uses the - * VaxC-specific library include syntax that Decus CPP doesn't support. - * By including things by hand, we can CPP ourself.) - */ -#include <nam.h> -#include <fab.h> -#include <rab.h> -#include <rmsdef.h> -#endif - -/* - * Generate (by hand-inspection) a set of unique values for each control - * operator. Note that this is not guaranteed to work for non-Ascii - * machines. CPP won't compile if there are hash conflicts. - */ - -#define L_assert ('a' + ('s' << 1)) -#define L_define ('d' + ('f' << 1)) -#define L_elif ('e' + ('i' << 1)) -#define L_else ('e' + ('s' << 1)) -#define L_endif ('e' + ('d' << 1)) -#define L_if ('i' + (EOS << 1)) -#define L_ifdef ('i' + ('d' << 1)) -#define L_ifndef ('i' + ('n' << 1)) -#define L_include ('i' + ('c' << 1)) -#define L_line ('l' + ('n' << 1)) -#define L_nogood (EOS + (EOS << 1)) /* To catch #i */ -#define L_pragma ('p' + ('a' << 1)) -#define L_undef ('u' + ('d' << 1)) -#define L_error ('e' + ('r' << 1)) /* BP 5.3.92, #error */ -#define MAXLINE 80 /* BP 5.3.92, #error */ -#if OSL_DEBUG_LEVEL > 1 -#define L_debug ('d' + ('b' << 1)) /* #debug */ -#define L_nodebug ('n' + ('d' << 1)) /* #nodebug */ -#endif - - -void InitCpp2() -{ - -} - - -int -control(int counter) -/* - * Process #control lines. Simple commands are processed inline, - * while complex commands have their own subroutines. - * - * The counter is used to force out a newline before #line, and - * #pragma commands. This prevents these commands from ending up at - * the end of the previous line if cpp is invoked with the -C option. - */ -{ - register int c; - register char *tp; - register int hash; - char *ep; - - c = skipws(); - if (c == '\n' || c == EOF_CHAR) - return (counter + 1); - if (!isdigit(c)) - scanid(c); /* Get #word to token[] */ - else { - unget(); /* Hack -- allow #123 as a */ - strcpy(token, "line"); /* synonym for #line 123 */ - } - hash = (token[1] == EOS) ? L_nogood : (token[0] + (token[2] << 1)); - switch (hash) { - case L_assert: tp = "assert"; break; - case L_define: tp = "define"; break; - case L_elif: tp = "elif"; break; - case L_else: tp = "else"; break; - case L_endif: tp = "endif"; break; - case L_if: tp = "if"; break; - case L_ifdef: tp = "ifdef"; break; - case L_ifndef: tp = "ifndef"; break; - case L_include: tp = "include"; break; - case L_line: tp = "line"; break; - case L_pragma: tp = "pragma"; break; - case L_undef: tp = "undef"; break; - case L_error: tp = "error"; break; -#if OSL_DEBUG_LEVEL > 1 - case L_debug: tp = "debug"; break; - case L_nodebug: tp = "nodebug"; break; -#endif - default: hash = L_nogood; - case L_nogood: tp = ""; break; - } - if (!streq(tp, token)) - hash = L_nogood; - /* - * hash is set to a unique value corresponding to the - * control keyword (or L_nogood if we think it's nonsense). - */ - if (infile->fp == NULL) - cwarn("Control line \"%s\" within macro expansion", token); - if (!compiling) { /* Not compiling now */ - switch (hash) { - case L_if: /* These can't turn */ - case L_ifdef: /* compilation on, but */ - case L_ifndef: /* we must nest #if's */ - if (++ifptr >= &ifstack[BLK_NEST]) - goto if_nest_err; - *ifptr = 0; /* !WAS_COMPILING */ - case L_line: /* Many */ - /* - * Are pragma's always processed? - */ - case L_pragma: /* options */ - case L_include: /* are uninteresting */ - case L_define: /* if we */ - case L_undef: /* aren't */ - case L_assert: /* compiling. */ - case L_error: /* BP 5.3.92, #error */ -dump_line: skipnl(); /* Ignore rest of line */ - return (counter + 1); - } - } - /* - * Make sure that #line and #pragma are output on a fresh line. - */ - if (counter > 0 && (hash == L_line || hash == L_pragma)) { - PUTCHAR('\n'); - counter--; - } - switch (hash) { - case L_line: - /* - * Parse the line to update the line number and "progname" - * field and line number for the next input line. - * Set wrongline to force it out later. - */ - c = skipws(); - workp = work; /* Save name in work */ - while (c != '\n' && c != EOF_CHAR) { - save(c); - c = get(); - } - unget(); - save(EOS); - /* - * Split #line argument into <line-number> and <name> - * We subtract 1 as we want the number of the next line. - */ - line = atoi(work) - 1; /* Reset line number */ - for (tp = work; isdigit(*tp) || type[(int)*tp] == SPA; tp++) - ; /* Skip over digits */ - if (*tp != EOS) { /* Got a filename, so: */ - if (*tp == '"' && (ep = strrchr(tp + 1, '"')) != NULL) { - tp++; /* Skip over left quote */ - *ep = EOS; /* And ignore right one */ - } - if (infile->progname != NULL) /* Give up the old name */ - free(infile->progname); /* if it's allocated. */ - infile->progname = savestring(tp); - } - wrongline = TRUE; /* Force output later */ - break; - - case L_include: - doinclude(); - break; - - case L_define: - dodefine(); - break; - - case L_undef: - doundef(); - break; - - case L_else: - if (ifptr == &ifstack[0]) - goto nest_err; - else if ((*ifptr & ELSE_SEEN) != 0) - goto else_seen_err; - *ifptr |= ELSE_SEEN; - if ((*ifptr & WAS_COMPILING) != 0) { - if (compiling || (*ifptr & TRUE_SEEN) != 0) - compiling = FALSE; - else { - compiling = TRUE; - } - } - break; - - case L_elif: - if (ifptr == &ifstack[0]) - goto nest_err; - else if ((*ifptr & ELSE_SEEN) != 0) { -else_seen_err: cerror("#%s may not follow #else", token); - goto dump_line; - } - if ((*ifptr & (WAS_COMPILING | TRUE_SEEN)) != WAS_COMPILING) { - compiling = FALSE; /* Done compiling stuff */ - goto dump_line; /* Skip this clause */ - } - doif(L_if); - break; - - case L_if: - case L_ifdef: - case L_ifndef: - if (++ifptr >= &ifstack[BLK_NEST]) -if_nest_err: cfatal("Too many nested #%s statements", token); - *ifptr = WAS_COMPILING; - doif(hash); - break; - - case L_endif: - if (ifptr == &ifstack[0]) { -nest_err: cerror("#%s must be in an #if", token); - goto dump_line; - } - if (!compiling && (*ifptr & WAS_COMPILING) != 0) - wrongline = TRUE; - compiling = ((*ifptr & WAS_COMPILING) != 0); - --ifptr; - break; - - case L_assert: - if (eval() == 0) - cerror("Preprocessor assertion failure", NULLST); - break; - - case L_pragma: - /* - * #pragma is provided to pass "options" to later - * passes of the compiler. cpp doesn't have any yet. - */ - fprintf( pCppOut, "#pragma "); - while ((c = get()) != '\n' && c != EOF_CHAR) - cput(c); - unget(); - break; - -#if OSL_DEBUG_LEVEL > 1 - case L_debug: - if (debug == 0) - dumpdef("debug set on"); - debug++; - break; - - case L_nodebug: - debug--; - break; -#endif - case L_error: /* BP 5.3.92, #error */ - { - fprintf( pCppOut, "cpp: line %u, Error directive: ", line ); - while ((c = get()) != '\n' && c != EOF_CHAR) - cput(c); - fprintf( pCppOut, "\n" ); - exit( 1 ); - break; - } - default: - /* - * Undefined #control keyword. - * Note: the correct behavior may be to warn and - * pass the line to a subsequent compiler pass. - * This would allow #asm or similar extensions. - */ - cerror("Illegal # command \"%s\"", token); - break; - } - if (hash != L_include) { -#if OLD_PREPROCESSOR - /* - * Ignore the rest of the #control line so you can write - * #if foo - * #endif foo - */ - goto dump_line; /* Take common exit */ -#else - if (skipws() != '\n') { - cwarn("Unexpected text in #control line ignored", NULLST); - skipnl(); - } -#endif - } - return (counter + 1); -} - -FILE_LOCAL -void doif(int hash) -/* - * Process an #if, #ifdef, or #ifndef. The latter two are straightforward, - * while #if needs a subroutine of its own to evaluate the expression. - * - * doif() is called only if compiling is TRUE. If false, compilation - * is always supressed, so we don't need to evaluate anything. This - * supresses unnecessary warnings. - */ -{ - register int c; - register int found; - - if ((c = skipws()) == '\n' || c == EOF_CHAR) { - unget(); - goto badif; - } - if (hash == L_if) { - unget(); - found = (eval() != 0); /* Evaluate expr, != 0 is TRUE */ - hash = L_ifdef; /* #if is now like #ifdef */ - } - else { - if (type[c] != LET) /* Next non-blank isn't letter */ - goto badif; /* ... is an error */ - found = (lookid(c) != NULL); /* Look for it in symbol table */ - } - if (found == (hash == L_ifdef)) { - compiling = TRUE; - *ifptr |= TRUE_SEEN; - } - else { - compiling = FALSE; - } - return; - -badif: cerror("#if, #ifdef, or #ifndef without an argument", NULLST); -#if !OLD_PREPROCESSOR - skipnl(); /* Prevent an extra */ - unget(); /* Error message */ -#endif - return; -} - -FILE_LOCAL -void doinclude() -/* - * Process the #include control line. - * There are three variations: - * #include "file" search somewhere relative to the - * current source file, if not found, - * treat as #include <file>. - * #include <file> Search in an implementation-dependent - * list of places. - * #include token Expand the token, it must be one of - * "file" or <file>, process as such. - * - * Note: the November 12 draft forbids '>' in the #include <file> format. - * This restriction is unnecessary and not implemented. - */ -{ - register int c; - register int delim; -#if HOST == SYS_VMS - char def_filename[NAM$C_MAXRSS + 1]; -#endif - - delim = macroid(skipws()); - if (delim != '<' && delim != '"') - goto incerr; - if (delim == '<') - delim = '>'; - workp = work; - instring = TRUE; /* Accept all characters */ -#ifdef CONTROL_COMMENTS_NOT_ALLOWED - while ((c = get()) != '\n' && c != EOF_CHAR) - save(c); /* Put it away. */ - unget(); /* Force nl after includee */ - /* - * The draft is unclear if the following should be done. - */ - while (--workp >= work && *workp == ' ') - ; /* Trim blanks from filename */ - if (*workp != delim) - goto incerr; -#else - while ((c = get()) != delim && c != EOF_CHAR) - save(c); -#endif - *workp = EOS; /* Terminate filename */ - instring = FALSE; -#if HOST == SYS_VMS - /* - * Assume the default .h filetype. - */ - if (!vmsparse(work, ".H", def_filename)) { - perror(work); /* Oops. */ - goto incerr; - } - else if (openinclude(def_filename, (delim == '"'))) - return; -#else - if (openinclude(work, (delim == '"'))) - return; -#endif - /* - * No sense continuing if #include file isn't there. - */ - cfatal("Cannot open include file \"%s\"", work); - -incerr: cerror("#include syntax error", NULLST); - return; -} - -FILE_LOCAL int -openinclude(char* filename, int searchlocal) -/* - * Actually open an include file. This routine is only called from - * doinclude() above, but was written as a separate subroutine for - * programmer convenience. It searches the list of directories - * and actually opens the file, linking it into the list of - * active files. Returns TRUE if the file was opened, FALSE - * if openinclude() fails. No error message is printed. - */ -{ - register char **incptr; -#if HOST == SYS_VMS -#if NFWORK < (NAM$C_MAXRSS + 1) - << error, NFWORK is not greater than NAM$C_MAXRSS >> -#endif -#endif - char tmpname[NFWORK]; /* Filename work area */ - - if (searchlocal) { - /* - * Look in local directory first - */ -#if HOST == SYS_UNIX - /* - * Try to open filename relative to the directory of the current - * source file (as opposed to the current directory). (ARF, SCK). - */ - if (filename[0] != '/' - && hasdirectory(infile->filename, tmpname)) - strcat(tmpname, filename); - else { - strcpy(tmpname, filename); - } -#else - if (!hasdirectory(filename, tmpname) - && hasdirectory(infile->filename, tmpname)) - strcat(tmpname, filename); - else { - strcpy(tmpname, filename); - } -#endif - if (openfile(tmpname)) - return (TRUE); - } - /* - * Look in any directories specified by -I command line - * arguments, then in the builtin search list. - */ - for (incptr = incdir; incptr < incend; incptr++) { - if (strlen(*incptr) + strlen(filename) >= (NFWORK - 1)) - cfatal("Filename work buffer overflow", NULLST); - else { -#if HOST == SYS_UNIX - if (filename[0] == '/') - strcpy(tmpname, filename); - else { - sprintf(tmpname, "%s/%s", *incptr, filename); - } -#elif HOST == SYS_UNKNOWN - if (filename[0] == '\\') - strcpy(tmpname, filename); - else { - sprintf(tmpname, "%s\\%s", *incptr, filename); - } -#else - if (!hasdirectory(filename, tmpname)) - sprintf(tmpname, "%s%s", *incptr, filename); -#endif - if (openfile(tmpname)) - return (TRUE); - } - } - return (FALSE); -} - -FILE_LOCAL int -hasdirectory(char* source, char* result) -/* - * If a device or directory is found in the source filename string, the - * node/device/directory part of the string is copied to result and - * hasdirectory returns TRUE. Else, nothing is copied and it returns FALSE. - */ -{ -#if HOST == SYS_UNIX - register char *tp; - - if ((tp = strrchr(source, '/')) == NULL) - return (FALSE); - else { - strncpy(result, source, tp - source + 1); - result[tp - source + 1] = EOS; - return (TRUE); - } -#else -#if HOST == SYS_VMS - if (vmsparse(source, NULLST, result) - && result[0] != EOS) - return (TRUE); - else { - return (FALSE); - } -#else - /* - * Random DEC operating system (RSX, RT11, RSTS/E) - */ - register char *tp; - - if ((tp = strrchr(source, ']')) == NULL - && (tp = strrchr(source, ':')) == NULL) - return (FALSE); - else { - strncpy(result, source, tp - source + 1); - result[tp - source + 1] = EOS; - return (TRUE); - } -#endif -#endif -} - -#if HOST == SYS_VMS - -/* - * EXP_DEV is set if a device was specified, EXP_DIR if a directory - * is specified. (Both set indicate a file-logical, but EXP_DEV - * would be set by itself if you are reading, say, SYS$INPUT:) - */ -#define DEVDIR (NAM$M_EXP_DEV | NAM$M_EXP_DIR) - -FILE_LOCAL int -vmsparse(source, defstring, result) -char *source; -char *defstring; /* non-NULL -> default string. */ -char *result; /* Size is at least NAM$C_MAXRSS + 1 */ -/* - * Parse the source string, applying the default (properly, using - * the system parse routine), storing it in result. - * TRUE if it parsed, FALSE on error. - * - * If defstring is NULL, there are no defaults and result gets - * (just) the node::[directory] part of the string (possibly "") - */ -{ - struct FAB fab = cc$rms_fab; /* File access block */ - struct NAM nam = cc$rms_nam; /* File name block */ - char fullname[NAM$C_MAXRSS + 1]; - register char *rp; /* Result pointer */ - - fab.fab$l_nam = &nam; /* fab -> nam */ - fab.fab$l_fna = source; /* Source filename */ - fab.fab$b_fns = strlen(source); /* Size of source */ - fab.fab$l_dna = defstring; /* Default string */ - if (defstring != NULLST) - fab.fab$b_dns = strlen(defstring); /* Size of default */ - nam.nam$l_esa = fullname; /* Expanded filename */ - nam.nam$b_ess = NAM$C_MAXRSS; /* Expanded name size */ - if (sys$parse(&fab) == RMS$_NORMAL) { /* Parse away */ - fullname[nam.nam$b_esl] = EOS; /* Terminate string */ - result[0] = EOS; /* Just in case */ - rp = &result[0]; - /* - * Remove stuff added implicitly, accepting node names and - * dev:[directory] strings (but not process-permanent files). - */ - if ((nam.nam$l_fnb & NAM$M_PPF) == 0) { - if ((nam.nam$l_fnb & NAM$M_NODE) != 0) { - strncpy(result, nam.nam$l_node, nam.nam$b_node); - rp += nam.nam$b_node; - *rp = EOS; - } - if ((nam.nam$l_fnb & DEVDIR) == DEVDIR) { - strncpy(rp, nam.nam$l_dev, nam.nam$b_dev + nam.nam$b_dir); - rp += nam.nam$b_dev + nam.nam$b_dir; - *rp = EOS; - } - } - if (defstring != NULLST) { - strncpy(rp, nam.nam$l_name, nam.nam$b_name + nam.nam$b_type); - rp += nam.nam$b_name + nam.nam$b_type; - *rp = EOS; - if ((nam.nam$l_fnb & NAM$M_EXP_VER) != 0) { - strncpy(rp, nam.nam$l_ver, nam.nam$b_ver); - rp[nam.nam$b_ver] = EOS; - } - } - return (TRUE); - } - return (FALSE); -} -#endif - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |