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-rw-r--r--idlc/source/idlccompile.cxx394
1 files changed, 394 insertions, 0 deletions
diff --git a/idlc/source/idlccompile.cxx b/idlc/source/idlccompile.cxx
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+++ b/idlc/source/idlccompile.cxx
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+/* -*- 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 <idlc.hxx>
+#include <rtl/alloc.h>
+#include <rtl/ustring.hxx>
+#include <rtl/strbuf.hxx>
+#include <o3tl/safeint.hxx>
+#include <o3tl/string_view.hxx>
+#include <osl/process.h>
+#include <osl/diagnose.h>
+#include <osl/thread.h>
+#include <osl/file.hxx>
+
+#if defined(_WIN32)
+#include <io.h>
+#endif
+
+#ifdef SAL_UNX
+#include <errno.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#endif
+
+#include <string.h>
+
+using namespace ::osl;
+
+extern int yyparse();
+extern FILE* yyin;
+extern int yydebug;
+
+static char tmpFilePattern[512];
+
+bool isFileUrl(std::string_view fileName)
+{
+ return o3tl::starts_with(fileName, "file://");
+}
+
+OString convertToAbsoluteSystemPath(const OString& fileName)
+{
+ OUString uSysFileName;
+ OUString uFileName(fileName.getStr(), fileName.getLength(), osl_getThreadTextEncoding());
+ if ( isFileUrl(fileName) )
+ {
+ if (FileBase::getSystemPathFromFileURL(uFileName, uSysFileName)
+ != FileBase::E_None)
+ {
+ OSL_ASSERT(false);
+ }
+ } else
+ {
+ OUString uWorkingDir, uUrlFileName, uTmp;
+ if (osl_getProcessWorkingDir(&uWorkingDir.pData) != osl_Process_E_None)
+ {
+ OSL_ASSERT(false);
+ }
+ if (FileBase::getFileURLFromSystemPath(uFileName, uTmp)
+ != FileBase::E_None)
+ {
+ OSL_ASSERT(false);
+ }
+ if (FileBase::getAbsoluteFileURL(uWorkingDir, uTmp, uUrlFileName)
+ != FileBase::E_None)
+ {
+ OSL_ASSERT(false);
+ }
+ if (FileBase::getSystemPathFromFileURL(uUrlFileName, uSysFileName)
+ != FileBase::E_None)
+ {
+ OSL_ASSERT(false);
+ }
+ }
+
+ return OUStringToOString(uSysFileName, osl_getThreadTextEncoding());
+}
+
+OString convertToFileUrl(const OString& fileName)
+{
+ if ( !isFileUrl(fileName) )
+ {
+ OString tmp = convertToAbsoluteSystemPath(fileName);
+ OUString uFileName(tmp.getStr(), tmp.getLength(), osl_getThreadTextEncoding());
+ OUString uUrlFileName;
+ if (FileBase::getFileURLFromSystemPath(uFileName, uUrlFileName)
+ != FileBase::E_None)
+ {
+ OSL_ASSERT(false);
+ }
+ return OUStringToOString(uUrlFileName, osl_getThreadTextEncoding());
+ }
+
+ return fileName;
+}
+
+static OString makeTempName(const OString& prefix)
+{
+ OUString uTmpPath;
+ OString tmpPath;
+
+ if ( osl_getEnvironment(OUString("TMP").pData, &uTmpPath.pData) != osl_Process_E_None )
+ {
+ if ( osl_getEnvironment(OUString("TEMP").pData, &uTmpPath.pData) != osl_Process_E_None )
+ {
+#if defined(_WIN32)
+ tmpPath = OString("c:\\temp");
+#else
+ tmpPath = OString("/tmp");
+#endif
+ }
+ }
+
+ if ( !uTmpPath.isEmpty() )
+ tmpPath = OUStringToOString(uTmpPath, RTL_TEXTENCODING_UTF8);
+
+#if defined(_WIN32) || defined(SAL_UNX)
+
+ OSL_ASSERT( sizeof(tmpFilePattern) >
+ o3tl::make_unsigned( tmpPath.getLength()
+ + RTL_CONSTASCII_LENGTH( PATH_SEPARATOR )
+ + prefix.getLength()
+ + RTL_CONSTASCII_LENGTH( "XXXXXX") ) );
+
+ tmpFilePattern[ sizeof(tmpFilePattern)-1 ] = '\0';
+ strncpy(tmpFilePattern, tmpPath.getStr(), sizeof(tmpFilePattern)-1);
+ strncat(tmpFilePattern, PATH_SEPARATOR, sizeof(tmpFilePattern)-1-strlen(tmpFilePattern));
+ strncat(tmpFilePattern, prefix.getStr(), sizeof(tmpFilePattern)-1-strlen(tmpFilePattern));
+ strncat(tmpFilePattern, "XXXXXX", sizeof(tmpFilePattern)-1-strlen(tmpFilePattern));
+
+#ifdef SAL_UNX
+ // coverity[secure_temp] - https://communities.coverity.com/thread/3179
+ int nDescriptor = mkstemp(tmpFilePattern);
+ if( -1 == nDescriptor )
+ {
+ fprintf(stderr, "idlc: mkstemp(\"%s\") failed: %s\n", tmpFilePattern, strerror(errno));
+ exit( 1 );
+ }
+ // the file shall later be reopened by stdio functions
+ close( nDescriptor );
+#else
+ (void) mktemp(tmpFilePattern);
+#endif
+#endif
+
+ return tmpFilePattern;
+}
+
+bool copyFile(const OString* source, const OString& target)
+{
+ bool bRet = true;
+
+ FILE* pSource = source == nullptr ? stdin : fopen(source->getStr(), "rb");
+ if ( !pSource )
+ return false;
+
+ FILE* pTarget = fopen(target.getStr(), "wb");
+ if ( !pTarget )
+ {
+ fclose(pSource);
+ return false;
+ }
+
+ size_t const totalSize = 512;
+ char pBuffer[totalSize + 1];
+
+ while ( !feof(pSource) )
+ {
+ size_t readSize = fread(pBuffer, 1, totalSize, pSource);
+ if ( readSize > 0 && !ferror(pSource) )
+ {
+ if ( (fwrite(pBuffer, 1, readSize, pTarget)) != readSize || ferror(pTarget) )
+ {
+ if (source != nullptr) {
+ fclose(pSource);
+ }
+ fclose(pTarget);
+ return false;
+ }
+ }
+ }
+
+ if (source != nullptr) {
+ fclose(pSource);
+ }
+ if ( fclose(pTarget) )
+ bRet = false;
+
+ return bRet;
+}
+
+sal_Int32 compileFile(const OString * pathname)
+{
+ // preprocess input file
+ OString tmpFile = makeTempName("idli_");
+ OString preprocFile = makeTempName("idlf_");
+
+ OString fileName;
+ if (pathname == nullptr) {
+ fileName = "stdin";
+ } else {
+ fileName = *pathname;
+ }
+
+ if ( !copyFile(pathname, tmpFile) )
+ {
+ fprintf(stderr, "%s: could not copy %s%s to %s\n",
+ idlc()->getOptions()->getProgramName().getStr(),
+ pathname == nullptr ? "" : "file ", fileName.getStr(),
+ tmpFile.getStr());
+ exit(99);
+ }
+
+ idlc()->setFileName(fileName);
+ idlc()->setMainFileName(fileName);
+ idlc()->setRealFileName(tmpFile);
+
+ ::std::vector< OUString> lCppArgs;
+ lCppArgs.emplace_back("-DIDL");
+ lCppArgs.emplace_back("-C");
+#ifdef SYSTEM_UCPP_IS_GCC
+ // -nostdinc Do not search the standard system directories for header files
+ lCppArgs.emplace_back("-nostdinc");
+ // with gcc cpp, even when not explicitly including anything, /usr/include/stdc-predef.h
+ // gets inserted without -nostdinc
+#else
+ // -zI Do not use the standard (compile-time) include path.
+ lCppArgs.emplace_back("-zI");
+#endif
+
+ Options* pOptions = idlc()->getOptions();
+
+ OString filePath;
+ sal_Int32 index = fileName.lastIndexOf(SEPARATOR);
+
+ if ( index > 0)
+ {
+ filePath = fileName.copy(0, index);
+
+ if ( !filePath.isEmpty() )
+ {
+ OString cppArgs = "-I" + filePath;
+ lCppArgs.push_back(OStringToOUString(
+ cppArgs.replace('\\', '/'),
+ RTL_TEXTENCODING_UTF8));
+ }
+ }
+
+ if ( pOptions->isValid("-D") )
+ {
+ OString dOpt = pOptions->getOption("-D");
+ sal_Int32 nIndex = 0;
+ do
+ {
+ std::string_view token = o3tl::getToken(dOpt, 0, ' ', nIndex );
+ if (token.size())
+ lCppArgs.push_back("-D" + OStringToOUString(token, RTL_TEXTENCODING_UTF8));
+ } while( nIndex != -1 );
+ }
+
+ if ( pOptions->isValid("-I") )
+ {
+ OString incOpt = pOptions->getOption("-I");
+ sal_Int32 nIndex = 0;
+ do
+ {
+ std::string_view token = o3tl::getToken(incOpt, 0, ' ', nIndex );
+ if (token.size())
+ lCppArgs.push_back("-I" + OStringToOUString(token, RTL_TEXTENCODING_UTF8));
+ } while( nIndex != -1 );
+ }
+
+ lCppArgs.emplace_back("-o");
+
+ lCppArgs.push_back(OStringToOUString(preprocFile, RTL_TEXTENCODING_UTF8));
+
+ lCppArgs.push_back(OStringToOUString(tmpFile, RTL_TEXTENCODING_UTF8));
+
+ OUString cpp;
+ OUString startDir;
+#ifndef SYSTEM_UCPP
+ if (osl_getExecutableFile(&cpp.pData) != osl_Process_E_None) {
+ OSL_ASSERT(false);
+ }
+
+ sal_Int32 idx= cpp.lastIndexOf("idlc");
+ cpp = cpp.copy(0, idx);
+
+#if defined(_WIN32)
+ cpp += "ucpp.exe";
+#else
+ cpp += "ucpp";
+#endif
+#else // SYSTEM_UCPP
+ cpp = OUString(UCPP);
+#endif
+ oslProcess hProcess = nullptr;
+ oslProcessError procError = osl_Process_E_None;
+
+ const int nCmdArgs = lCppArgs.size();
+ std::unique_ptr<rtl_uString*[]> pCmdArgs(new rtl_uString*[nCmdArgs]);
+
+ int i = 0;
+ for (auto const& elem : lCppArgs)
+ {
+ pCmdArgs[i++] = elem.pData;
+ }
+
+ procError = osl_executeProcess( cpp.pData, pCmdArgs.get(), nCmdArgs, osl_Process_WAIT,
+ nullptr, startDir.pData, nullptr, 0, &hProcess );
+
+ oslProcessInfo hInfo;
+ hInfo.Size = sal_uInt32(sizeof(oslProcessInfo));
+ if (osl_getProcessInfo(hProcess, osl_Process_EXITCODE, &hInfo)
+ != osl_Process_E_None)
+ {
+ OSL_ASSERT(false);
+ }
+
+ if ( procError || (hInfo.Code != 0) )
+ {
+ if ( procError != osl_Process_E_None )
+ fprintf(stderr, "%s: starting preprocessor failed\n", pOptions->getProgramName().getStr());
+ else
+ fprintf(stderr, "%s: preprocessing %s%s failed\n",
+ pOptions->getProgramName().getStr(),
+ pathname == nullptr ? "" : "file ", fileName.getStr());
+
+ osl_freeProcessHandle(hProcess);
+ exit(hInfo.Code ? hInfo.Code : 99);
+ }
+ osl_freeProcessHandle(hProcess);
+
+ if (unlink(tmpFile.getStr()) != 0)
+ {
+ fprintf(stderr, "%s: Could not remove cpp input file %s\n",
+ pOptions->getProgramName().getStr(), tmpFile.getStr());
+ exit(99);
+ }
+
+ if ( pOptions->isValid("-E") )
+ {
+ if (unlink(preprocFile.getStr()) != 0)
+ {
+ fprintf(stderr, "%s: Could not remove parser input file %s\n",
+ pOptions->getProgramName().getStr(), preprocFile.getStr());
+ exit(99);
+ }
+ exit(0);
+ }
+
+ // parse file
+ yyin = fopen(preprocFile.getStr(), "r");
+ if (yyin == nullptr)
+ {
+ fprintf(stderr, "%s: Could not open cpp output file %s\n",
+ pOptions->getProgramName().getStr(), preprocFile.getStr());
+ exit(99);
+ }
+
+ //yydebug = 0 no trace information
+ //yydebug = 1 parser produce trace information
+ yydebug = 0;
+
+ yyparse();
+ sal_Int32 nErrors = idlc()->getErrorCount();
+
+ fclose(yyin);
+ if (unlink(preprocFile.getStr()) != 0)
+ {
+ fprintf(stderr, "%s: Could not remove parser input file %s\n",
+ pOptions->getProgramName().getStr(), preprocFile.getStr());
+ exit(99);
+ }
+
+ return nErrors;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */