From 49fcffc6ccec7ddbad8a8110b9b923d8846c8a0f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Peter=20K=C3=BCmmel?= Date: Sun, 13 Apr 2014 14:06:41 +0200 Subject: [PATCH] Ninja: cmake formatting, make code more readable --- Source/cmNinjaNormalTargetGenerator.cxx | 289 +++++++++++++----------- 1 file changed, 152 insertions(+), 137 deletions(-) diff --git a/Source/cmNinjaNormalTargetGenerator.cxx b/Source/cmNinjaNormalTargetGenerator.cxx index c86561728..92919eef7 100644 --- a/Source/cmNinjaNormalTargetGenerator.cxx +++ b/Source/cmNinjaNormalTargetGenerator.cxx @@ -363,25 +363,39 @@ cmNinjaNormalTargetGenerator return std::vector(); } + +static int calculateCommandLineLengthLimit(int linkRuleLength) +{ +#ifdef _WIN32 + return 8000 - linkRuleLength; +#elif defined(__linux) || defined(__APPLE__) || defined(__HAIKU__) + // for instance ARG_MAX is 2096152 on Ubuntu or 262144 on Mac + return ((int)sysconf(_SC_ARG_MAX)) - linkRuleLength - 1000; +#else + (void)linkRuleLength; + return -1; +#endif +} + + void cmNinjaNormalTargetGenerator::WriteLinkStatement() { - cmTarget::TargetType targetType = this->GetTarget()->GetType(); - + cmTarget& target = *this->GetTarget(); + const std::string cfgName = this->GetConfigName(); std::string targetOutput = ConvertToNinjaPath( - this->GetTarget()->GetFullPath(this->GetConfigName()).c_str()); + target.GetFullPath(cfgName).c_str()); std::string targetOutputReal = ConvertToNinjaPath( - this->GetTarget()->GetFullPath(this->GetConfigName(), - /*implib=*/false, - /*realpath=*/true).c_str()); + target.GetFullPath(cfgName, + /*implib=*/false, + /*realpath=*/true).c_str()); std::string targetOutputImplib = ConvertToNinjaPath( - this->GetTarget()->GetFullPath(this->GetConfigName(), - /*implib=*/true).c_str()); + target.GetFullPath(cfgName, + /*implib=*/true).c_str()); - if (this->GetTarget()->IsAppBundleOnApple()) + if (target.IsAppBundleOnApple()) { // Create the app bundle - std::string outpath = - this->GetTarget()->GetDirectory(this->GetConfigName()); + std::string outpath = target.GetDirectory(cfgName); this->OSXBundleGenerator->CreateAppBundle(this->TargetNameOut, outpath); // Calculate the output path @@ -394,23 +408,22 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement() targetOutputReal += this->TargetNameReal; targetOutputReal = this->ConvertToNinjaPath(targetOutputReal.c_str()); } - else if (this->GetTarget()->IsFrameworkOnApple()) + else if (target.IsFrameworkOnApple()) { // Create the library framework. - std::string outpath = - this->GetTarget()->GetDirectory(this->GetConfigName()); - this->OSXBundleGenerator->CreateFramework(this->TargetNameOut, outpath); + this->OSXBundleGenerator->CreateFramework(this->TargetNameOut, + target.GetDirectory(cfgName)); } - else if(this->GetTarget()->IsCFBundleOnApple()) + else if(target.IsCFBundleOnApple()) { // Create the core foundation bundle. - std::string outpath = - this->GetTarget()->GetDirectory(this->GetConfigName()); - this->OSXBundleGenerator->CreateCFBundle(this->TargetNameOut, outpath); + this->OSXBundleGenerator->CreateCFBundle(this->TargetNameOut, + target.GetDirectory(cfgName)); } // Write comments. cmGlobalNinjaGenerator::WriteDivider(this->GetBuildFileStream()); + const cmTarget::TargetType targetType = target.GetType(); this->GetBuildFileStream() << "# Link build statements for " << cmTarget::GetTargetTypeName(targetType) @@ -423,8 +436,8 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement() // Compute the comment. cmOStringStream comment; - comment << "Link the " << this->GetVisibleTypeName() << " " - << targetOutputReal; + comment << + "Link the " << this->GetVisibleTypeName() << " " << targetOutputReal; // Compute outputs. cmNinjaDeps outputs; @@ -438,21 +451,21 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement() std::string frameworkPath; std::string linkPath; - cmGeneratorTarget* gtarget = this->GetGeneratorTarget(); + cmGeneratorTarget& genTarget = *this->GetGeneratorTarget(); std::string createRule = "CMAKE_"; - createRule += this->TargetLinkLanguage; - createRule += gtarget->GetCreateRuleVariable(); + createRule += this->TargetLinkLanguage + genTarget.GetCreateRuleVariable(); bool useWatcomQuote = mf->IsOn(createRule+"_USE_WATCOM_QUOTE"); - this->GetLocalGenerator()->GetTargetFlags(vars["LINK_LIBRARIES"], - vars["FLAGS"], - vars["LINK_FLAGS"], - frameworkPath, - linkPath, - gtarget, - useWatcomQuote); + cmLocalNinjaGenerator& localGen = *this->GetLocalGenerator(); + localGen.GetTargetFlags(vars["LINK_LIBRARIES"], + vars["FLAGS"], + vars["LINK_FLAGS"], + frameworkPath, + linkPath, + &genTarget, + useWatcomQuote); - this->addPoolNinjaVariable("JOB_POOL_LINK", this->GetTarget(), vars); + this->addPoolNinjaVariable("JOB_POOL_LINK", &target, vars); this->AddModuleDefinitionFlag(vars["LINK_FLAGS"]); vars["LINK_FLAGS"] = cmGlobalNinjaGenerator @@ -466,39 +479,43 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement() std::string flags = (targetType == cmTarget::EXECUTABLE ? vars["FLAGS"] : vars["ARCH_FLAGS"]); - this->GetLocalGenerator()->AddArchitectureFlags(flags, - gtarget, - this->TargetLinkLanguage, - this->GetConfigName()); - if (targetType == cmTarget::EXECUTABLE) { + localGen.AddArchitectureFlags(flags, + &genTarget, + this->TargetLinkLanguage, + cfgName); + if (targetType == cmTarget::EXECUTABLE) + { vars["FLAGS"] = flags; - } else { + } + else + { vars["ARCH_FLAGS"] = flags; - } - if (this->GetTarget()->HasSOName(this->GetConfigName())) { - vars["SONAME_FLAG"] = - mf->GetSONameFlag(this->TargetLinkLanguage); + } + if (target.HasSOName(cfgName)) + { + vars["SONAME_FLAG"] = mf->GetSONameFlag(this->TargetLinkLanguage); vars["SONAME"] = this->TargetNameSO; - if (targetType == cmTarget::SHARED_LIBRARY) { - std::string install_name_dir = this->GetTarget() - ->GetInstallNameDirForBuildTree(this->GetConfigName()); - - if (!install_name_dir.empty()) { - vars["INSTALLNAME_DIR"] = - this->GetLocalGenerator()->Convert(install_name_dir, - cmLocalGenerator::NONE, - cmLocalGenerator::SHELL, false); + if (targetType == cmTarget::SHARED_LIBRARY) + { + std::string install_dir = target.GetInstallNameDirForBuildTree(cfgName); + if (!install_dir.empty()) + { + vars["INSTALLNAME_DIR"] = localGen.Convert(install_dir, + cmLocalGenerator::NONE, + cmLocalGenerator::SHELL, + false); + } } } - } - if (!this->TargetNameImport.empty()) { - const std::string impLibPath = this->GetLocalGenerator() - ->ConvertToOutputFormat(targetOutputImplib, - cmLocalGenerator::SHELL); + if (!this->TargetNameImport.empty()) + { + const std::string impLibPath = localGen.ConvertToOutputFormat( + targetOutputImplib, + cmLocalGenerator::SHELL); vars["TARGET_IMPLIB"] = impLibPath; EnsureParentDirectoryExists(impLibPath); - } + } if (!this->SetMsvcTargetPdbVariable(vars)) { @@ -507,11 +524,13 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement() std::string prefix; std::string base; std::string suffix; - this->GetTarget()->GetFullNameComponents(prefix, base, suffix); + target.GetFullNameComponents(prefix, base, suffix); std::string dbg_suffix = ".dbg"; // TODO: Where to document? if (mf->GetDefinition("CMAKE_DEBUG_SYMBOL_SUFFIX")) + { dbg_suffix = mf->GetDefinition("CMAKE_DEBUG_SYMBOL_SUFFIX"); + } vars["TARGET_PDB"] = base + suffix + dbg_suffix; } @@ -526,9 +545,9 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement() } const std::vector *cmdLists[3] = { - &this->GetTarget()->GetPreBuildCommands(), - &this->GetTarget()->GetPreLinkCommands(), - &this->GetTarget()->GetPostBuildCommands() + &target.GetPreBuildCommands(), + &target.GetPreLinkCommands(), + &target.GetPostBuildCommands() }; std::vector preLinkCmdLines, postBuildCmdLines; @@ -538,100 +557,97 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement() &postBuildCmdLines }; - for (unsigned i = 0; i != 3; ++i) { + for (unsigned i = 0; i != 3; ++i) + { for (std::vector::const_iterator ci = cmdLists[i]->begin(); - ci != cmdLists[i]->end(); ++ci) { - cmCustomCommandGenerator ccg(*ci, this->GetConfigName(), mf); - this->GetLocalGenerator()->AppendCustomCommandLines(ccg, - *cmdLineLists[i]); + ci != cmdLists[i]->end(); ++ci) + { + cmCustomCommandGenerator ccg(*ci, cfgName, mf); + localGen.AppendCustomCommandLines(ccg, *cmdLineLists[i]); + } } - } // If we have any PRE_LINK commands, we need to go back to HOME_OUTPUT for // the link commands. - if (!preLinkCmdLines.empty()) { - const std::string homeOutDir = this->GetLocalGenerator() - ->ConvertToOutputFormat(mf->GetHomeOutputDirectory(), - cmLocalGenerator::SHELL); + if (!preLinkCmdLines.empty()) + { + const std::string homeOutDir = localGen.ConvertToOutputFormat( + mf->GetHomeOutputDirectory(), + cmLocalGenerator::SHELL); preLinkCmdLines.push_back("cd " + homeOutDir); - } + } - vars["PRE_LINK"] = - this->GetLocalGenerator()->BuildCommandLine(preLinkCmdLines); - std::string postBuildCmdLine = - this->GetLocalGenerator()->BuildCommandLine(postBuildCmdLines); + vars["PRE_LINK"] = localGen.BuildCommandLine(preLinkCmdLines); + std::string postBuildCmdLine = localGen.BuildCommandLine(postBuildCmdLines); cmNinjaVars symlinkVars; - if (targetOutput == targetOutputReal) { + if (targetOutput == targetOutputReal) + { vars["POST_BUILD"] = postBuildCmdLine; - } else { + } + else + { vars["POST_BUILD"] = ":"; symlinkVars["POST_BUILD"] = postBuildCmdLine; - } + } - int linkRuleLength = this->GetGlobalGenerator()-> - GetRuleCmdLength(this->LanguageLinkerRule()); + cmGlobalNinjaGenerator& globalGen = *this->GetGlobalGenerator(); int commandLineLengthLimit = 1; const char* forceRspFile = "CMAKE_NINJA_FORCE_RESPONSE_FILE"; if (!mf->IsDefinitionSet(forceRspFile) && - cmSystemTools::GetEnv(forceRspFile) == 0) { -#ifdef _WIN32 - commandLineLengthLimit = 8000 - linkRuleLength; -#elif defined(__linux) || defined(__APPLE__) || defined(__HAIKU__) - // for instance ARG_MAX is 2096152 on Ubuntu or 262144 on Mac - commandLineLengthLimit = ((int)sysconf(_SC_ARG_MAX))-linkRuleLength-1000; -#else - (void)linkRuleLength; - commandLineLengthLimit = -1; -#endif - } + cmSystemTools::GetEnv(forceRspFile) == 0) + { + commandLineLengthLimit = calculateCommandLineLengthLimit( + globalGen.GetRuleCmdLength(this->LanguageLinkerRule())); + } - //Get the global generator as we are going to be call WriteBuild numerous - //times in the following section - cmGlobalNinjaGenerator* globalGenerator = this->GetGlobalGenerator(); - - - const std::string rspfile = std::string - (cmake::GetCMakeFilesDirectoryPostSlash()) + - this->GetTarget()->GetName() + ".rsp"; + const std::string rspfile = + std::string(cmake::GetCMakeFilesDirectoryPostSlash()) + + target.GetName() + ".rsp"; // Write the build statement for this target. - globalGenerator->WriteBuild(this->GetBuildFileStream(), - comment.str(), - this->LanguageLinkerRule(), - outputs, - explicitDeps, - implicitDeps, - emptyDeps, - vars, - rspfile, - commandLineLengthLimit); + globalGen.WriteBuild(this->GetBuildFileStream(), + comment.str(), + this->LanguageLinkerRule(), + outputs, + explicitDeps, + implicitDeps, + emptyDeps, + vars, + rspfile, + commandLineLengthLimit); - if (targetOutput != targetOutputReal && - !this->GetTarget()->IsFrameworkOnApple()) { - if (targetType == cmTarget::EXECUTABLE) { - globalGenerator->WriteBuild(this->GetBuildFileStream(), - "Create executable symlink " + targetOutput, - "CMAKE_SYMLINK_EXECUTABLE", - cmNinjaDeps(1, targetOutput), - cmNinjaDeps(1, targetOutputReal), - emptyDeps, - emptyDeps, - symlinkVars); - } else { + if (targetOutput != targetOutputReal && !target.IsFrameworkOnApple()) + { + if (targetType == cmTarget::EXECUTABLE) + { + globalGen.WriteBuild(this->GetBuildFileStream(), + "Create executable symlink " + targetOutput, + "CMAKE_SYMLINK_EXECUTABLE", + cmNinjaDeps(1, targetOutput), + cmNinjaDeps(1, targetOutputReal), + emptyDeps, + emptyDeps, + symlinkVars); + } + else + { cmNinjaDeps symlinks; const std::string soName = this->GetTargetFilePath(this->TargetNameSO); // If one link has to be created. - if (targetOutputReal == soName || targetOutput == soName) { + if (targetOutputReal == soName || targetOutput == soName) + { symlinkVars["SONAME"] = soName; - } else { + } + else + { symlinkVars["SONAME"] = ""; symlinks.push_back(soName); - } + } symlinks.push_back(targetOutput); - globalGenerator->WriteBuild(this->GetBuildFileStream(), + globalGen.WriteBuild(this->GetBuildFileStream(), "Create library symlink " + targetOutput, "CMAKE_SYMLINK_LIBRARY", symlinks, @@ -639,23 +655,22 @@ void cmNinjaNormalTargetGenerator::WriteLinkStatement() emptyDeps, emptyDeps, symlinkVars); + } } - } - if (!this->TargetNameImport.empty()) { + if (!this->TargetNameImport.empty()) + { // Since using multiple outputs would mess up the $out variable, use an // alias for the import library. - globalGenerator->WritePhonyBuild(this->GetBuildFileStream(), - "Alias for import library.", - cmNinjaDeps(1, targetOutputImplib), - cmNinjaDeps(1, targetOutputReal)); - } + globalGen.WritePhonyBuild(this->GetBuildFileStream(), + "Alias for import library.", + cmNinjaDeps(1, targetOutputImplib), + cmNinjaDeps(1, targetOutputReal)); + } // Add aliases for the file name and the target name. - globalGenerator->AddTargetAlias(this->TargetNameOut, - this->GetTarget()); - globalGenerator->AddTargetAlias(this->GetTargetName(), - this->GetTarget()); + globalGen.AddTargetAlias(this->TargetNameOut, &target); + globalGen.AddTargetAlias(this->GetTargetName(), &target); } //----------------------------------------------------------------------------