idlc/source/idlccompile.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <idlc/idlc.hxx>
  21 #include <rtl/ustring.hxx>
  22 #include <rtl/strbuf.hxx>
  23 #include <osl/process.h>
  24 #include <osl/diagnose.h>
  25 #include <osl/thread.h>
  26 #include <osl/file.hxx>
  27
  28 #if defined(SAL_W32)
  29 #include <io.h>
  30 #endif
  31
  32 #ifdef  SAL_UNX
  33 #include <errno.h>
  34 #include <unistd.h>
  35 #if defined(MACOSX) || defined(FREEBSD) || defined(NETBSD) || \
  36     defined(AIX) || defined(OPENBSD) || defined(DRAGONFLY)
  37 #include <sys/wait.h>
  38 #else
  39 #include <wait.h>
  40 #endif
  41 #endif
  42
  43 #include <string.h>
  44
  45 using namespace ::osl;
  46
  47 extern int yyparse();
  48 extern FILE* yyin;
  49 extern int yydebug;
  50
  51 sal_Int32 lineNumber = 1;
  52
  53
  54 static const char TMP[] = "TMP";
  55 static const char TEMP[] = "TEMP";
  56 static sal_Char tmpFilePattern[512];
  57
  58 bool isFileUrl(const OString& fileName)
  59 {
  60     if (fileName.startsWith("file://") )
  61         return true;
  62     return false;
  63 }
  64
  65 OString convertToAbsoluteSystemPath(const OString& fileName)
  66 {
  67     OUString uSysFileName;
  68     OUString uFileName(fileName.getStr(), fileName.getLength(), osl_getThreadTextEncoding());
  69     if ( isFileUrl(fileName) )
  70     {
  71         if (FileBase::getSystemPathFromFileURL(uFileName, uSysFileName)
  72             != FileBase::E_None)
  73         {
  74             OSL_ASSERT(false);
  75         }
  76     } else
  77     {
  78         OUString uWorkingDir, uUrlFileName, uTmp;
  79         if (osl_getProcessWorkingDir(&uWorkingDir.pData) != osl_Process_E_None)
  80         {
  81             OSL_ASSERT(false);
  82         }
  83         if (FileBase::getFileURLFromSystemPath(uFileName, uTmp)
  84             != FileBase::E_None)
  85         {
  86             OSL_ASSERT(false);
  87         }
  88         if (FileBase::getAbsoluteFileURL(uWorkingDir, uTmp, uUrlFileName)
  89             != FileBase::E_None)
  90         {
  91             OSL_ASSERT(false);
  92         }
  93         if (FileBase::getSystemPathFromFileURL(uUrlFileName, uSysFileName)
  94             != FileBase::E_None)
  95         {
  96             OSL_ASSERT(false);
  97         }
  98     }
  99
 100     return OUStringToOString(uSysFileName, osl_getThreadTextEncoding());
 101 }
 102
 103 OString convertToFileUrl(const OString& fileName)
 104 {
 105     if ( !isFileUrl(fileName) )
 106     {
 107         OString tmp = convertToAbsoluteSystemPath(fileName);
 108         OUString uFileName(tmp.getStr(), tmp.getLength(), osl_getThreadTextEncoding());
 109         OUString uUrlFileName;
 110         if (FileBase::getFileURLFromSystemPath(uFileName, uUrlFileName)
 111             != FileBase::E_None)
 112         {
 113             OSL_ASSERT(false);
 114         }
 115         return OUStringToOString(uUrlFileName, osl_getThreadTextEncoding());
 116     }
 117
 118     return fileName;
 119 }
 120
 121 OString makeTempName(const OString& prefix)
 122 {
 123     OUString uTmpPath;
 124     OString tmpPath;
 125
 126     if ( osl_getEnvironment(OUString(TMP).pData, &uTmpPath.pData) != osl_Process_E_None )
 127     {
 128         if ( osl_getEnvironment(OUString(TEMP).pData, &uTmpPath.pData) != osl_Process_E_None )
 129         {
 130 #if defined(SAL_W32)
 131             tmpPath = OString("c:\\temp");
 132 #else
 133             tmpPath = OString("/tmp");
 134 #endif
 135         }
 136     }
 137
 138     if ( !uTmpPath.isEmpty() )
 139         tmpPath = OUStringToOString(uTmpPath, RTL_TEXTENCODING_UTF8);
 140
 141 #if defined(SAL_W32) || defined(SAL_UNX)
 142
 143     OSL_ASSERT( sizeof(tmpFilePattern) >
 144                 (size_t) ( tmpPath.getLength()
 145                            + RTL_CONSTASCII_LENGTH( PATH_SEPARATOR )
 146                            + prefix.getLength()
 147                            + RTL_CONSTASCII_LENGTH( "XXXXXX") ) );
 148
 149     tmpFilePattern[ sizeof(tmpFilePattern)-1 ] = '\0';
 150     strncpy(tmpFilePattern, tmpPath.getStr(), sizeof(tmpFilePattern)-1);
 151     strncat(tmpFilePattern, PATH_SEPARATOR, sizeof(tmpFilePattern)-1-strlen(tmpFilePattern));
 152     strncat(tmpFilePattern, prefix.getStr(), sizeof(tmpFilePattern)-1-strlen(tmpFilePattern));
 153     strncat(tmpFilePattern, "XXXXXX", sizeof(tmpFilePattern)-1-strlen(tmpFilePattern));
 154
 155 #ifdef SAL_UNX
 156     // coverity[secure_temp] - https://communities.coverity.com/thread/3179
 157     int nDescriptor = mkstemp(tmpFilePattern);
 158     if( -1 == nDescriptor )
 159     {
 160         fprintf(stderr, "idlc: mkstemp(\"%s\") failed: %s\n", tmpFilePattern, strerror(errno));
 161         exit( 1 );
 162     }
 163     // the file shall later be reopened by stdio functions
 164     close( nDescriptor );
 165 #else
 166     (void) mktemp(tmpFilePattern);
 167 #endif
 168 #endif
 169
 170     return OString(tmpFilePattern);
 171 }
 172
 173 bool copyFile(const OString* source, const OString& target)
 174 {
 175     bool bRet = true;
 176
 177     FILE* pSource = source == 0 ? stdin : fopen(source->getStr(), "rb");
 178     if ( !pSource )
 179         return false;
 180
 181     FILE* pTarget = fopen(target.getStr(), "wb");
 182     if ( !pTarget )
 183     {
 184         fclose(pSource);
 185         return false;
 186     }
 187
 188     size_t totalSize = 512;
 189     char   pBuffer[513];
 190
 191     while ( !feof(pSource) )
 192     {
 193         size_t readSize;
 194         if ( (readSize = fread(pBuffer, 1, totalSize, pSource)) > 0 && !ferror(pSource) )
 195         {
 196             if ( (fwrite(pBuffer, 1, readSize, pTarget)) != readSize || ferror(pTarget) )
 197             {
 198                 if (source != 0) {
 199                     fclose(pSource);
 200                 }
 201                 fclose(pTarget);
 202                 return false;
 203             }
 204         }
 205     }
 206
 207     if (source != 0) {
 208         fclose(pSource);
 209     }
 210     if ( fflush(pTarget) )
 211         bRet = false;
 212     fclose(pTarget);
 213
 214     return bRet;
 215 }
 216
 217 sal_Int32 compileFile(const OString * pathname)
 218 {
 219     // preprocess input file
 220     OString tmpFile = makeTempName(OString("idli_"));
 221     OString preprocFile = makeTempName(OString("idlf_"));
 222
 223     OString fileName;
 224     if (pathname == 0) {
 225         fileName = "stdin";
 226     } else {
 227         fileName = *pathname;
 228     }
 229
 230     if ( !copyFile(pathname, tmpFile) )
 231     {
 232           fprintf(stderr, "%s: could not copy %s%s to %s\n",
 233                 idlc()->getOptions()->getProgramName().getStr(),
 234                 pathname == 0 ? "" : "file ", fileName.getStr(),
 235                 tmpFile.getStr());
 236           exit(99);
 237     }
 238
 239     idlc()->setFileName(fileName);
 240     idlc()->setMainFileName(fileName);
 241     idlc()->setRealFileName(tmpFile);
 242
 243     ::std::vector< OUString> lCppArgs;
 244     lCppArgs.push_back("-DIDL");
 245     lCppArgs.push_back("-C");
 246     lCppArgs.push_back("-zI");
 247
 248     OStringBuffer cppArgs(256);
 249     Options* pOptions = idlc()->getOptions();
 250
 251     OString filePath;
 252     sal_Int32 index = fileName.lastIndexOf(SEPARATOR);
 253
 254     if ( index > 0)
 255     {
 256         filePath = fileName.copy(0, index);
 257
 258         if ( !filePath.isEmpty() )
 259         {
 260             cppArgs.append("-I");
 261             cppArgs.append(filePath);
 262             lCppArgs.push_back(OStringToOUString(
 263                 cppArgs.makeStringAndClear().replace('\\', '/'),
 264                 RTL_TEXTENCODING_UTF8));
 265         }
 266     }
 267
 268     if ( pOptions->isValid("-D") )
 269     {
 270         OString token, dOpt = pOptions->getOption("-D");
 271         sal_Int32 nIndex = 0;
 272         do
 273         {
 274             token = dOpt.getToken( 0, ' ', nIndex );
 275             if (token.getLength())
 276                 lCppArgs.push_back(OStringToOUString("-D" + token, RTL_TEXTENCODING_UTF8));
 277         } while( nIndex != -1 );
 278     }
 279
 280         if ( pOptions->isValid("-I") )
 281     {
 282         OString token, incOpt = pOptions->getOption("-I");
 283         sal_Int32 nIndex = 0;
 284         do
 285         {
 286             token = incOpt.getToken( 0, ' ', nIndex );
 287             if (token.getLength())
 288                 lCppArgs.push_back(OStringToOUString("-I" + token, RTL_TEXTENCODING_UTF8));
 289         } while( nIndex != -1 );
 290     }
 291
 292     lCppArgs.push_back(OUString("-o"));
 293
 294         cppArgs.append(preprocFile);
 295     lCppArgs.push_back(OStringToOUString(cppArgs.makeStringAndClear(), RTL_TEXTENCODING_UTF8));
 296
 297     cppArgs.append(tmpFile);
 298     lCppArgs.push_back(OStringToOUString(cppArgs.makeStringAndClear(), RTL_TEXTENCODING_UTF8));
 299
 300     OUString cpp;
 301     OUString startDir;
 302 #ifndef SYSTEM_UCPP
 303     if (osl_getExecutableFile(&cpp.pData) != osl_Process_E_None) {
 304         OSL_ASSERT(false);
 305     }
 306
 307     sal_Int32 idx= cpp.lastIndexOf("idlc");
 308     cpp = cpp.copy(0, idx);
 309
 310 #if defined(SAL_W32)
 311     cpp += "ucpp.exe";
 312 #else
 313     cpp += "ucpp";
 314 #endif
 315 #else // SYSTEM_UCPP
 316     cpp = OUString(UCPP);
 317 #endif
 318     oslProcess      hProcess = NULL;
 319     oslProcessError procError = osl_Process_E_None;
 320
 321     const int nCmdArgs = lCppArgs.size();
 322     rtl_uString** pCmdArgs = 0;
 323     pCmdArgs = static_cast<rtl_uString**>(rtl_allocateZeroMemory(nCmdArgs * sizeof(rtl_uString*)));
 324
 325     ::std::vector< OUString >::iterator iter = lCppArgs.begin();
 326     ::std::vector< OUString >::iterator end = lCppArgs.end();
 327     int i = 0;
 328         while ( iter != end ) {
 329         pCmdArgs[i++] = (*iter).pData;
 330         ++iter;
 331     }
 332
 333         procError = osl_executeProcess( cpp.pData, pCmdArgs, nCmdArgs, osl_Process_WAIT,
 334                                     0, startDir.pData, 0, 0, &hProcess );
 335
 336     oslProcessInfo hInfo;
 337     hInfo.Size = (sal_uInt32)(sizeof(oslProcessInfo));
 338     if (osl_getProcessInfo(hProcess, osl_Process_EXITCODE, &hInfo)
 339         != osl_Process_E_None)
 340     {
 341         OSL_ASSERT(false);
 342     }
 343
 344     if ( procError || (hInfo.Code != 0) )
 345     {
 346         if ( procError != osl_Process_E_None )
 347             fprintf(stderr, "%s: starting preprocessor failed\n", pOptions->getProgramName().getStr());
 348         else
 349             fprintf(stderr, "%s: preprocessing %s%s failed\n",
 350                     pOptions->getProgramName().getStr(),
 351                     pathname == 0 ? "" : "file ", fileName.getStr());
 352
 353         osl_freeProcessHandle(hProcess);
 354         rtl_freeMemory(pCmdArgs);
 355         exit(hInfo.Code ? hInfo.Code : 99);
 356     }
 357     osl_freeProcessHandle(hProcess);
 358     rtl_freeMemory(pCmdArgs);
 359
 360     if (unlink(tmpFile.getStr()) != 0)
 361     {
 362         fprintf(stderr, "%s: Could not remove cpp input file %s\n",
 363                  pOptions->getProgramName().getStr(), tmpFile.getStr());
 364         exit(99);
 365     }
 366
 367     if ( pOptions->isValid("-E") )
 368     {
 369         if (unlink(preprocFile.getStr()) != 0)
 370         {
 371             fprintf(stderr, "%s: Could not remove parser input file %s\n",
 372                        pOptions->getProgramName().getStr(), preprocFile.getStr());
 373             exit(99);
 374         }
 375         exit(0);
 376     }
 377
 378     // parse file
 379     yyin = fopen(preprocFile.getStr(), "r");
 380     if (yyin == NULL)
 381     {
 382         fprintf(stderr, "%s: Could not open cpp output file %s\n",
 383                    pOptions->getProgramName().getStr(), preprocFile.getStr());
 384         exit(99);
 385     }
 386
 387     //yydebug = 0 no trace information
 388     //yydebug = 1 parser produce trace information
 389     yydebug = 0;
 390
 391     sal_Int32 nErrors = yyparse();
 392     nErrors = idlc()->getErrorCount();
 393
 394     fclose(yyin);
 395     if (unlink(preprocFile.getStr()) != 0)
 396     {
 397         fprintf(stderr, "%s: Could not remove parser input file %s\n",
 398                 pOptions->getProgramName().getStr(), preprocFile.getStr());
 399         exit(99);
 400     }
 401
 402     return nErrors;
 403 }
 404
 405 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */