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Diffstat (limited to 'Source/cmGlobalNinjaGenerator.cxx')
| -rw-r--r-- | Source/cmGlobalNinjaGenerator.cxx | 1038 |
1 files changed, 1038 insertions, 0 deletions
diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx new file mode 100644 index 0000000..fff972e --- /dev/null +++ b/Source/cmGlobalNinjaGenerator.cxx @@ -0,0 +1,1038 @@ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2011 Peter Collingbourne <peter@pcc.me.uk> + Copyright 2011 Nicolas Despres <nicolas.despres@gmail.com> + + Distributed under the OSI-approved BSD License (the "License"); + see accompanying file Copyright.txt for details. + + This software is distributed WITHOUT ANY WARRANTY; without even the + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the License for more information. +============================================================================*/ +#include "cmGlobalNinjaGenerator.h" +#include "cmLocalNinjaGenerator.h" +#include "cmMakefile.h" +#include "cmGeneratedFileStream.h" +#include "cmGeneratorTarget.h" +#include "cmVersion.h" + +#include <algorithm> + +const char* cmGlobalNinjaGenerator::NINJA_BUILD_FILE = "build.ninja"; +const char* cmGlobalNinjaGenerator::NINJA_RULES_FILE = "rules.ninja"; +const char* cmGlobalNinjaGenerator::INDENT = " "; + +void cmGlobalNinjaGenerator::Indent(std::ostream& os, int count) +{ + for(int i = 0; i < count; ++i) + os << cmGlobalNinjaGenerator::INDENT; +} + +void cmGlobalNinjaGenerator::WriteDivider(std::ostream& os) +{ + os + << "# ======================================" + << "=======================================\n"; +} + +void cmGlobalNinjaGenerator::WriteComment(std::ostream& os, + const std::string& comment) +{ + if (comment.empty()) + return; + + std::string replace = comment; + std::string::size_type lpos = 0; + std::string::size_type rpos; + os << "\n#############################################\n"; + while((rpos = replace.find('\n', lpos)) != std::string::npos) + { + os << "# " << replace.substr(lpos, rpos - lpos) << "\n"; + lpos = rpos + 1; + } + os << "# " << replace.substr(lpos) << "\n\n"; +} + +static bool IsIdentChar(char c) +{ + return + ('a' <= c && c <= 'z') || + ('+' <= c && c <= '9') || // +,-./ and numbers + ('A' <= c && c <= 'Z') || + (c == '_') || (c == '$') || (c == '\\') || + (c == ' ') || (c == ':'); +} + +std::string cmGlobalNinjaGenerator::EncodeIdent(const std::string &ident, + std::ostream &vars) { + if (std::find_if(ident.begin(), ident.end(), + std::not1(std::ptr_fun(IsIdentChar))) != ident.end()) { + static unsigned VarNum = 0; + cmOStringStream names; + names << "ident" << VarNum++; + vars << names.str() << " = " << ident << "\n"; + return "$" + names.str(); + } else { + std::string result = ident; + cmSystemTools::ReplaceString(result, " ", "$ "); + cmSystemTools::ReplaceString(result, ":", "$:"); + return result; + } +} + +std::string cmGlobalNinjaGenerator::EncodeLiteral(const std::string &lit) +{ + std::string result = lit; + cmSystemTools::ReplaceString(result, "$", "$$"); + cmSystemTools::ReplaceString(result, "\n", "$\n"); + return result; +} + +std::string cmGlobalNinjaGenerator::EncodePath(const std::string &path) +{ + std::string result = path; +#ifdef _WIN32 + if(UsingMinGW) + cmSystemTools::ReplaceString(result, "\\", "/"); + else + cmSystemTools::ReplaceString(result, "/", "\\"); +#endif + return EncodeLiteral(result); +} + +void cmGlobalNinjaGenerator::WriteBuild(std::ostream& os, + const std::string& comment, + const std::string& rule, + const cmNinjaDeps& outputs, + const cmNinjaDeps& explicitDeps, + const cmNinjaDeps& implicitDeps, + const cmNinjaDeps& orderOnlyDeps, + const cmNinjaVars& variables, + const std::string& rspfile, + int cmdLineLimit) +{ + // Make sure there is a rule. + if(rule.empty()) + { + cmSystemTools::Error("No rule for WriteBuildStatement! called " + "with comment: ", + comment.c_str()); + return; + } + + // Make sure there is at least one output file. + if(outputs.empty()) + { + cmSystemTools::Error("No output files for WriteBuildStatement! called " + "with comment: ", + comment.c_str()); + return; + } + + cmGlobalNinjaGenerator::WriteComment(os, comment); + + cmOStringStream arguments; + + // TODO: Better formatting for when there are multiple input/output files. + + // Write explicit dependencies. + for(cmNinjaDeps::const_iterator i = explicitDeps.begin(); + i != explicitDeps.end(); + ++i) + arguments << " " << EncodeIdent(EncodePath(*i), os); + + // Write implicit dependencies. + if(!implicitDeps.empty()) + { + arguments << " |"; + for(cmNinjaDeps::const_iterator i = implicitDeps.begin(); + i != implicitDeps.end(); + ++i) + arguments << " " << EncodeIdent(EncodePath(*i), os); + } + + // Write order-only dependencies. + if(!orderOnlyDeps.empty()) + { + arguments << " ||"; + for(cmNinjaDeps::const_iterator i = orderOnlyDeps.begin(); + i != orderOnlyDeps.end(); + ++i) + arguments << " " << EncodeIdent(EncodePath(*i), os); + } + + arguments << "\n"; + + cmOStringStream build; + + // Write outputs files. + build << "build"; + for(cmNinjaDeps::const_iterator i = outputs.begin(); + i != outputs.end(); ++i) + build << " " << EncodeIdent(EncodePath(*i), os); + build << ":"; + + // Write the rule. + build << " " << rule; + + // Write the variables bound to this build statement. + cmOStringStream variable_assignments; + for(cmNinjaVars::const_iterator i = variables.begin(); + i != variables.end(); ++i) + cmGlobalNinjaGenerator::WriteVariable(variable_assignments, + i->first, i->second, "", 1); + + // check if a response file rule should be used + std::string buildstr = build.str(); + std::string assignments = variable_assignments.str(); + const std::string args = arguments.str(); + if (cmdLineLimit > 0 + && args.size() + buildstr.size() + assignments.size() + > (size_t) cmdLineLimit) { + buildstr += "_RSP_FILE"; + variable_assignments.clear(); + cmGlobalNinjaGenerator::WriteVariable(variable_assignments, + "RSP_FILE", rspfile, "", 1); + assignments += variable_assignments.str(); + } + + os << buildstr << args << assignments; +} + +void cmGlobalNinjaGenerator::WritePhonyBuild(std::ostream& os, + const std::string& comment, + const cmNinjaDeps& outputs, + const cmNinjaDeps& explicitDeps, + const cmNinjaDeps& implicitDeps, + const cmNinjaDeps& orderOnlyDeps, + const cmNinjaVars& variables) +{ + cmGlobalNinjaGenerator::WriteBuild(os, + comment, + "phony", + outputs, + explicitDeps, + implicitDeps, + orderOnlyDeps, + variables); +} + +void cmGlobalNinjaGenerator::AddCustomCommandRule() +{ + this->AddRule("CUSTOM_COMMAND", + "$COMMAND", + "$DESC", + "Rule for running custom commands.", + /*depfile*/ "", + /*rspfile*/ "", + /*rspcontent*/ "", + /*restat*/ true); +} + +void +cmGlobalNinjaGenerator::WriteCustomCommandBuild(const std::string& command, + const std::string& description, + const std::string& comment, + const cmNinjaDeps& outputs, + const cmNinjaDeps& deps, + const cmNinjaDeps& orderOnlyDeps) +{ + std::string cmd = command; +#ifdef _WIN32 + if (cmd.empty()) + // TODO Shouldn't an empty command be handled by ninja? + cmd = "cmd.exe /c"; +#endif + + this->AddCustomCommandRule(); + + cmNinjaVars vars; + vars["COMMAND"] = cmd; + vars["DESC"] = EncodeLiteral(description); + + cmGlobalNinjaGenerator::WriteBuild(*this->BuildFileStream, + comment, + "CUSTOM_COMMAND", + outputs, + deps, + cmNinjaDeps(), + orderOnlyDeps, + vars); +} + +void +cmGlobalNinjaGenerator::AddMacOSXContentRule() +{ + cmLocalGenerator *lg = this->LocalGenerators[0]; + cmMakefile* mfRoot = lg->GetMakefile(); + + cmOStringStream cmd; + cmd << lg->ConvertToOutputFormat( + mfRoot->GetRequiredDefinition("CMAKE_COMMAND"), + cmLocalGenerator::SHELL) + << " -E copy $in $out"; + + this->AddRule("COPY_OSX_CONTENT", + cmd.str(), + "Copying OS X Content $out", + "Rule for copying OS X bundle content file." + /*depfile*/ "", + /*rspfile*/ ""); +} + +void +cmGlobalNinjaGenerator::WriteMacOSXContentBuild(const std::string& input, + const std::string& output) +{ + this->AddMacOSXContentRule(); + + cmNinjaDeps outputs; + outputs.push_back(output); + cmNinjaDeps deps; + deps.push_back(input); + cmNinjaVars vars; + + cmGlobalNinjaGenerator::WriteBuild(*this->BuildFileStream, + "", + "COPY_OSX_CONTENT", + outputs, + deps, + cmNinjaDeps(), + cmNinjaDeps(), + cmNinjaVars()); +} + +void cmGlobalNinjaGenerator::WriteRule(std::ostream& os, + const std::string& name, + const std::string& command, + const std::string& description, + const std::string& comment, + const std::string& depfile, + const std::string& rspfile, + const std::string& rspcontent, + bool restat, + bool generator) +{ + // Make sure the rule has a name. + if(name.empty()) + { + cmSystemTools::Error("No name given for WriteRuleStatement! called " + "with comment: ", + comment.c_str()); + return; + } + + // Make sure a command is given. + if(command.empty()) + { + cmSystemTools::Error("No command given for WriteRuleStatement! called " + "with comment: ", + comment.c_str()); + return; + } + + cmGlobalNinjaGenerator::WriteComment(os, comment); + + // Write the rule. + os << "rule " << name << "\n"; + + // Write the depfile if any. + if(!depfile.empty()) + { + cmGlobalNinjaGenerator::Indent(os, 1); + os << "depfile = " << depfile << "\n"; + } + + // Write the command. + cmGlobalNinjaGenerator::Indent(os, 1); + os << "command = " << command << "\n"; + + // Write the description if any. + if(!description.empty()) + { + cmGlobalNinjaGenerator::Indent(os, 1); + os << "description = " << description << "\n"; + } + + if(!rspfile.empty()) + { + if (rspcontent.empty()) + { + cmSystemTools::Error("No rspfile_content given!", comment.c_str()); + return; + } + cmGlobalNinjaGenerator::Indent(os, 1); + os << "rspfile = " << rspfile << "\n"; + cmGlobalNinjaGenerator::Indent(os, 1); + os << "rspfile_content = " << rspcontent << "\n"; + } + + if(restat) + { + cmGlobalNinjaGenerator::Indent(os, 1); + os << "restat = 1\n"; + } + + if(generator) + { + cmGlobalNinjaGenerator::Indent(os, 1); + os << "generator = 1\n"; + } + + os << "\n"; +} + +void cmGlobalNinjaGenerator::WriteVariable(std::ostream& os, + const std::string& name, + const std::string& value, + const std::string& comment, + int indent) +{ + // Make sure we have a name. + if(name.empty()) + { + cmSystemTools::Error("No name given for WriteVariable! called " + "with comment: ", + comment.c_str()); + return; + } + + // Do not add a variable if the value is empty. + std::string val = cmSystemTools::TrimWhitespace(value); + if(val.empty()) + { + return; + } + + cmGlobalNinjaGenerator::WriteComment(os, comment); + cmGlobalNinjaGenerator::Indent(os, indent); + os << name << " = " << val << "\n"; +} + +void cmGlobalNinjaGenerator::WriteInclude(std::ostream& os, + const std::string& filename, + const std::string& comment) +{ + cmGlobalNinjaGenerator::WriteComment(os, comment); + os << "include " << filename << "\n"; +} + +void cmGlobalNinjaGenerator::WriteDefault(std::ostream& os, + const cmNinjaDeps& targets, + const std::string& comment) +{ + cmGlobalNinjaGenerator::WriteComment(os, comment); + os << "default"; + for(cmNinjaDeps::const_iterator i = targets.begin(); i != targets.end(); ++i) + os << " " << *i; + os << "\n"; +} + + +cmGlobalNinjaGenerator::cmGlobalNinjaGenerator() + : cmGlobalGenerator() + , BuildFileStream(0) + , RulesFileStream(0) + , CompileCommandsStream(0) + , Rules() + , AllDependencies() +{ + // // Ninja is not ported to non-Unix OS yet. + // this->ForceUnixPaths = true; + this->FindMakeProgramFile = "CMakeNinjaFindMake.cmake"; +} + + +//---------------------------------------------------------------------------- +// Virtual public methods. + +cmLocalGenerator* cmGlobalNinjaGenerator::CreateLocalGenerator() +{ + cmLocalGenerator* lg = new cmLocalNinjaGenerator; + lg->SetGlobalGenerator(this); + return lg; +} + +void cmGlobalNinjaGenerator +::GetDocumentation(cmDocumentationEntry& entry) +{ + entry.Name = cmGlobalNinjaGenerator::GetActualName(); + entry.Brief = "Generates build.ninja files (experimental)."; + entry.Full = + "A build.ninja file is generated into the build tree. Recent " + "versions of the ninja program can build the project through the " + "\"all\" target. An \"install\" target is also provided."; +} + +// Implemented in all cmGlobaleGenerator sub-classes. +// Used in: +// Source/cmLocalGenerator.cxx +// Source/cmake.cxx +void cmGlobalNinjaGenerator::Generate() +{ + this->OpenBuildFileStream(); + this->OpenRulesFileStream(); + + this->cmGlobalGenerator::Generate(); + + this->WriteAssumedSourceDependencies(); + this->WriteTargetAliases(*this->BuildFileStream); + this->WriteBuiltinTargets(*this->BuildFileStream); + + if (cmSystemTools::GetErrorOccuredFlag()) { + this->RulesFileStream->setstate(std::ios_base::failbit); + this->BuildFileStream->setstate(std::ios_base::failbit); + } + + this->CloseCompileCommandsStream(); + this->CloseRulesFileStream(); + this->CloseBuildFileStream(); +} + +// Implemented in all cmGlobaleGenerator sub-classes. +// Used in: +// Source/cmMakefile.cxx: +void cmGlobalNinjaGenerator +::EnableLanguage(std::vector<std::string>const& langs, + cmMakefile* makefile, + bool optional) +{ + if (makefile->IsOn("CMAKE_COMPILER_IS_MINGW")) + { + UsingMinGW = true; + this->EnableMinGWLanguage(makefile); + } + if (std::find(langs.begin(), langs.end(), "Fortran") != langs.end()) + { + cmSystemTools::Error("The Ninja generator does not support Fortran yet."); + } + this->cmGlobalGenerator::EnableLanguage(langs, makefile, optional); +} + +bool cmGlobalNinjaGenerator::UsingMinGW = false; + +// Implemented by: +// cmGlobalUnixMakefileGenerator3 +// cmGlobalVisualStudio10Generator +// cmGlobalVisualStudio6Generator +// cmGlobalVisualStudio7Generator +// cmGlobalXCodeGenerator +// Called by: +// cmGlobalGenerator::Build() +std::string cmGlobalNinjaGenerator +::GenerateBuildCommand(const char* makeProgram, + const char* projectName, + const char* projectDir, + const char* additionalOptions, + const char* targetName, + const char* config, + bool ignoreErrors, + bool fast) +{ + // Project name & dir and config are not used yet. + (void)projectName; + (void)projectDir; + (void)config; + // Ninja does not have -i equivalent option yet. + (void)ignoreErrors; + // We do not handle fast build yet. + (void)fast; + + std::string makeCommand = + cmSystemTools::ConvertToUnixOutputPath(makeProgram); + + if(additionalOptions) + { + makeCommand += " "; + makeCommand += additionalOptions; + } + if(targetName) + { + if(strcmp(targetName, "clean") == 0) + { + makeCommand += " -t clean"; + } + else + { + makeCommand += " "; + makeCommand += targetName; + } + } + + return makeCommand; +} + +//---------------------------------------------------------------------------- +// Non-virtual public methods. + +void cmGlobalNinjaGenerator::AddRule(const std::string& name, + const std::string& command, + const std::string& description, + const std::string& comment, + const std::string& depfile, + const std::string& rspfile, + const std::string& rspcontent, + bool restat, + bool generator) +{ + // Do not add the same rule twice. + if (this->HasRule(name)) + { + return; + } + + this->Rules.insert(name); + cmGlobalNinjaGenerator::WriteRule(*this->RulesFileStream, + name, + command, + description, + comment, + depfile, + rspfile, + rspcontent, + restat, + generator); + + this->RuleCmdLength[name] = (int) command.size(); +} + +bool cmGlobalNinjaGenerator::HasRule(const std::string &name) +{ + RulesSetType::const_iterator rule = this->Rules.find(name); + return (rule != this->Rules.end()); +} + +//---------------------------------------------------------------------------- +// Private virtual overrides + +// TODO: Refactor to combine with cmGlobalUnixMakefileGenerator3 impl. +void cmGlobalNinjaGenerator::ComputeTargetObjects(cmGeneratorTarget* gt) const +{ + cmTarget* target = gt->Target; + + // Compute full path to object file directory for this target. + std::string dir_max; + dir_max += gt->Makefile->GetCurrentOutputDirectory(); + dir_max += "/"; + dir_max += gt->LocalGenerator->GetTargetDirectory(*target); + dir_max += "/"; + gt->ObjectDirectory = dir_max; + + // Compute the name of each object file. + for(std::vector<cmSourceFile*>::iterator + si = gt->ObjectSources.begin(); + si != gt->ObjectSources.end(); ++si) + { + cmSourceFile* sf = *si; + std::string objectName = gt->LocalGenerator + ->GetObjectFileNameWithoutTarget(*sf, dir_max); + gt->Objects[sf] = objectName; + } +} + +//---------------------------------------------------------------------------- +// Private methods + +void cmGlobalNinjaGenerator::OpenBuildFileStream() +{ + // Compute Ninja's build file path. + std::string buildFilePath = + this->GetCMakeInstance()->GetHomeOutputDirectory(); + buildFilePath += "/"; + buildFilePath += cmGlobalNinjaGenerator::NINJA_BUILD_FILE; + + // Get a stream where to generate things. + if (!this->BuildFileStream) + { + this->BuildFileStream = new cmGeneratedFileStream(buildFilePath.c_str()); + if (!this->BuildFileStream) + { + // An error message is generated by the constructor if it cannot + // open the file. + return; + } + } + + // Write the do not edit header. + this->WriteDisclaimer(*this->BuildFileStream); + + // Write a comment about this file. + *this->BuildFileStream + << "# This file contains all the build statements describing the\n" + << "# compilation DAG.\n\n" + ; +} + +void cmGlobalNinjaGenerator::CloseBuildFileStream() +{ + if (this->BuildFileStream) + { + delete this->BuildFileStream; + this->BuildFileStream = 0; + } + else + { + cmSystemTools::Error("Build file stream was not open."); + } +} + +void cmGlobalNinjaGenerator::OpenRulesFileStream() +{ + // Compute Ninja's build file path. + std::string rulesFilePath = + this->GetCMakeInstance()->GetHomeOutputDirectory(); + rulesFilePath += "/"; + rulesFilePath += cmGlobalNinjaGenerator::NINJA_RULES_FILE; + + // Get a stream where to generate things. + if (!this->RulesFileStream) + { + this->RulesFileStream = new cmGeneratedFileStream(rulesFilePath.c_str()); + if (!this->RulesFileStream) + { + // An error message is generated by the constructor if it cannot + // open the file. + return; + } + } + + // Write the do not edit header. + this->WriteDisclaimer(*this->RulesFileStream); + + // Write comment about this file. + *this->RulesFileStream + << "# This file contains all the rules used to get the outputs files\n" + << "# built from the input files.\n" + << "# It is included in the main '" << NINJA_BUILD_FILE << "'.\n\n" + ; +} + +void cmGlobalNinjaGenerator::CloseRulesFileStream() +{ + if (this->RulesFileStream) + { + delete this->RulesFileStream; + this->RulesFileStream = 0; + } + else + { + cmSystemTools::Error("Rules file stream was not open."); + } +} + +void cmGlobalNinjaGenerator::AddCXXCompileCommand( + const std::string &commandLine, + const std::string &sourceFile) +{ + // Compute Ninja's build file path. + std::string buildFileDir = + this->GetCMakeInstance()->GetHomeOutputDirectory(); + if (!this->CompileCommandsStream) + { + std::string buildFilePath = buildFileDir + "/compile_commands.json"; + + // Get a stream where to generate things. + this->CompileCommandsStream = + new cmGeneratedFileStream(buildFilePath.c_str()); + *this->CompileCommandsStream << "["; + } else { + *this->CompileCommandsStream << "," << std::endl; + } + + std::string sourceFileName = sourceFile; + if (!cmSystemTools::FileIsFullPath(sourceFileName.c_str())) + { + sourceFileName = cmSystemTools::CollapseFullPath( + sourceFileName.c_str(), + this->GetCMakeInstance()->GetHomeOutputDirectory()); + } + + + *this->CompileCommandsStream << "\n{\n" + << " \"directory\": \"" + << cmGlobalGenerator::EscapeJSON(buildFileDir) << "\",\n" + << " \"command\": \"" + << cmGlobalGenerator::EscapeJSON(commandLine) << "\",\n" + << " \"file\": \"" + << cmGlobalGenerator::EscapeJSON(sourceFileName) << "\"\n" + << "}"; +} + +void cmGlobalNinjaGenerator::CloseCompileCommandsStream() +{ + if (this->CompileCommandsStream) + { + *this->CompileCommandsStream << "\n]"; + delete this->CompileCommandsStream; + this->CompileCommandsStream = 0; + } + +} + +void cmGlobalNinjaGenerator::WriteDisclaimer(std::ostream& os) +{ + os + << "# CMAKE generated file: DO NOT EDIT!\n" + << "# Generated by \"" << this->GetName() << "\"" + << " Generator, CMake Version " + << cmVersion::GetMajorVersion() << "." + << cmVersion::GetMinorVersion() << "\n\n"; +} + +void cmGlobalNinjaGenerator::AddDependencyToAll(cmTarget* target) +{ + this->AppendTargetOutputs(target, this->AllDependencies); +} + +void cmGlobalNinjaGenerator::AddDependencyToAll(const std::string& input) +{ + this->AllDependencies.push_back(input); +} + +void cmGlobalNinjaGenerator::WriteAssumedSourceDependencies() +{ + for (std::map<std::string, std::set<std::string> >::iterator + i = this->AssumedSourceDependencies.begin(); + i != this->AssumedSourceDependencies.end(); ++i) { + cmNinjaDeps deps; + std::copy(i->second.begin(), i->second.end(), std::back_inserter(deps)); + WriteCustomCommandBuild(/*command=*/"", /*description=*/"", + "Assume dependencies for generated source file.", + cmNinjaDeps(1, i->first), deps); + } +} + +void +cmGlobalNinjaGenerator +::AppendTargetOutputs(cmTarget* target, cmNinjaDeps& outputs) +{ + const char* configName = + target->GetMakefile()->GetDefinition("CMAKE_BUILD_TYPE"); + cmLocalNinjaGenerator *ng = + static_cast<cmLocalNinjaGenerator *>(this->LocalGenerators[0]); + + switch (target->GetType()) { + case cmTarget::EXECUTABLE: + case cmTarget::SHARED_LIBRARY: + case cmTarget::STATIC_LIBRARY: + case cmTarget::MODULE_LIBRARY: + outputs.push_back(ng->ConvertToNinjaPath( + target->GetFullPath(configName).c_str())); + break; + + case cmTarget::OBJECT_LIBRARY: + case cmTarget::UTILITY: { + std::string path = ng->ConvertToNinjaPath( + target->GetMakefile()->GetStartOutputDirectory()); + if (path.empty() || path == ".") + outputs.push_back(target->GetName()); + else { + path += "/"; + path += target->GetName(); + outputs.push_back(path); + } + break; + } + + case cmTarget::GLOBAL_TARGET: + // Always use the target in HOME instead of an unused duplicate in a + // subdirectory. + outputs.push_back(target->GetName()); + break; + + default: + return; + } +} + +void +cmGlobalNinjaGenerator +::AppendTargetDepends(cmTarget* target, cmNinjaDeps& outputs) +{ + if (target->GetType() == cmTarget::GLOBAL_TARGET) { + // Global targets only depend on other utilities, which may not appear in + // the TargetDepends set (e.g. "all"). + std::set<cmStdString> const& utils = target->GetUtilities(); + std::copy(utils.begin(), utils.end(), std::back_inserter(outputs)); + } else { + cmTargetDependSet const& targetDeps = + this->GetTargetDirectDepends(*target); + for (cmTargetDependSet::const_iterator i = targetDeps.begin(); + i != targetDeps.end(); ++i) { + this->AppendTargetOutputs(*i, outputs); + } + } +} + +void cmGlobalNinjaGenerator::AddTargetAlias(const std::string& alias, + cmTarget* target) { + cmNinjaDeps outputs; + this->AppendTargetOutputs(target, outputs); + // Mark the target's outputs as ambiguous to ensure that no other target uses + // the output as an alias. + for (cmNinjaDeps::iterator i = outputs.begin(); i != outputs.end(); ++i) + TargetAliases[*i] = 0; + + // Insert the alias into the map. If the alias was already present in the + // map and referred to another target, mark it as ambiguous. + std::pair<TargetAliasMap::iterator, bool> newAlias = + TargetAliases.insert(std::make_pair(alias, target)); + if (newAlias.second && newAlias.first->second != target) + newAlias.first->second = 0; +} + +void cmGlobalNinjaGenerator::WriteTargetAliases(std::ostream& os) +{ + cmGlobalNinjaGenerator::WriteDivider(os); + os << "# Target aliases.\n\n"; + + for (TargetAliasMap::iterator i = TargetAliases.begin(); + i != TargetAliases.end(); ++i) { + // Don't write ambiguous aliases. + if (!i->second) + continue; + + cmNinjaDeps deps; + this->AppendTargetOutputs(i->second, deps); + + cmGlobalNinjaGenerator::WritePhonyBuild(os, + "", + cmNinjaDeps(1, i->first), + deps); + } +} + +void cmGlobalNinjaGenerator::WriteBuiltinTargets(std::ostream& os) +{ + // Write headers. + cmGlobalNinjaGenerator::WriteDivider(os); + os << "# Built-in targets\n\n"; + + this->WriteTargetAll(os); + this->WriteTargetRebuildManifest(os); + this->WriteTargetClean(os); + this->WriteTargetHelp(os); +} + +void cmGlobalNinjaGenerator::WriteTargetAll(std::ostream& os) +{ + cmNinjaDeps outputs; + outputs.push_back("all"); + + cmGlobalNinjaGenerator::WritePhonyBuild(os, + "The main all target.", + outputs, + this->AllDependencies); + + cmGlobalNinjaGenerator::WriteDefault(os, + outputs, + "Make the all target the default."); +} + +void cmGlobalNinjaGenerator::WriteTargetRebuildManifest(std::ostream& os) +{ + cmLocalGenerator *lg = this->LocalGenerators[0]; + cmMakefile* mfRoot = lg->GetMakefile(); + + cmOStringStream cmd; + cmd << lg->ConvertToOutputFormat( + mfRoot->GetRequiredDefinition("CMAKE_COMMAND"), + cmLocalGenerator::SHELL) + << " -H" + << lg->ConvertToOutputFormat(mfRoot->GetHomeDirectory(), + cmLocalGenerator::SHELL) + << " -B" + << lg->ConvertToOutputFormat(mfRoot->GetHomeOutputDirectory(), + cmLocalGenerator::SHELL); + WriteRule(*this->RulesFileStream, + "RERUN_CMAKE", + cmd.str(), + "Re-running CMake...", + "Rule for re-running cmake.", + /*depfile=*/ "", + /*rspfile=*/ "", + /*rspcontent*/ "", + /*restat=*/ false, + /*generator=*/ true); + + cmNinjaDeps implicitDeps; + for (std::vector<cmLocalGenerator *>::const_iterator i = + this->LocalGenerators.begin(); i != this->LocalGenerators.end(); ++i) { + const std::vector<std::string>& lf = (*i)->GetMakefile()->GetListFiles(); + implicitDeps.insert(implicitDeps.end(), lf.begin(), lf.end()); + } + std::sort(implicitDeps.begin(), implicitDeps.end()); + implicitDeps.erase(std::unique(implicitDeps.begin(), implicitDeps.end()), + implicitDeps.end()); + implicitDeps.push_back("CMakeCache.txt"); + + WriteBuild(os, + "Re-run CMake if any of its inputs changed.", + "RERUN_CMAKE", + /*outputs=*/ cmNinjaDeps(1, NINJA_BUILD_FILE), + /*explicitDeps=*/ cmNinjaDeps(), + implicitDeps, + /*orderOnlyDeps=*/ cmNinjaDeps(), + /*variables=*/ cmNinjaVars()); + + WritePhonyBuild(os, + "A missing CMake input file is not an error.", + implicitDeps, + cmNinjaDeps()); +} + +std::string cmGlobalNinjaGenerator::ninjaCmd() const +{ + cmLocalGenerator* lgen = this->LocalGenerators[0]; + if (lgen) { + return lgen->ConvertToOutputFormat( + lgen->GetMakefile()->GetRequiredDefinition("CMAKE_MAKE_PROGRAM"), + cmLocalGenerator::SHELL); + } + return "ninja"; +} + +void cmGlobalNinjaGenerator::WriteTargetClean(std::ostream& os) +{ + WriteRule(*this->RulesFileStream, + "CLEAN", + (ninjaCmd() + " -t clean").c_str(), + "Cleaning all built files...", + "Rule for cleaning all built files.", + /*depfile=*/ "", + /*rspfile=*/ "", + /*rspcontent*/ "", + /*restat=*/ false, + /*generator=*/ false); + WriteBuild(os, + "Clean all the built files.", + "CLEAN", + /*outputs=*/ cmNinjaDeps(1, "clean"), + /*explicitDeps=*/ cmNinjaDeps(), + /*implicitDeps=*/ cmNinjaDeps(), + /*orderOnlyDeps=*/ cmNinjaDeps(), + /*variables=*/ cmNinjaVars()); +} + +void cmGlobalNinjaGenerator::WriteTargetHelp(std::ostream& os) +{ + WriteRule(*this->RulesFileStream, + "HELP", + (ninjaCmd() + " -t targets").c_str(), + "All primary targets available:", + "Rule for printing all primary targets available.", + /*depfile=*/ "", + /*rspfile=*/ "", + /*rspcontent*/ "", + /*restat=*/ false, + /*generator=*/ false); + WriteBuild(os, + "Print all primary targets available.", + "HELP", + /*outputs=*/ cmNinjaDeps(1, "help"), + /*explicitDeps=*/ cmNinjaDeps(), + /*implicitDeps=*/ cmNinjaDeps(), + /*orderOnlyDeps=*/ cmNinjaDeps(), + /*variables=*/ cmNinjaVars()); +} |