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561 lines
20 KiB
561 lines
20 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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/* clang-format off */
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#include "cmGeneratorTarget.h"
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/* clang-format on */
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#include <cstddef>
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#include <map>
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#include <memory>
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#include <set>
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#include <sstream>
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#include <string>
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#include <type_traits>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include <cm/string_view>
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#include <cmext/algorithm>
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#include <cmext/string_view>
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#include "cmsys/RegularExpression.hxx"
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#include "cmAlgorithms.h"
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#include "cmEvaluatedTargetProperty.h"
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#include "cmFileSet.h"
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#include "cmGeneratorExpression.h"
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#include "cmGeneratorExpressionDAGChecker.h"
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#include "cmGlobalGenerator.h"
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#include "cmLinkItem.h"
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#include "cmList.h"
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#include "cmListFileCache.h"
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#include "cmLocalGenerator.h"
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#include "cmMakefile.h"
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#include "cmMessageType.h"
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#include "cmSourceFile.h"
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#include "cmSourceFileLocation.h"
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#include "cmSourceGroup.h"
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#include "cmStateTypes.h"
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#include "cmStringAlgorithms.h"
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#include "cmSystemTools.h"
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#include "cmTarget.h"
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#include "cmValue.h"
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#include "cmake.h"
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namespace {
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using UseTo = cmGeneratorTarget::UseTo;
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void AddObjectEntries(cmGeneratorTarget const* headTarget,
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std::string const& config,
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cmGeneratorExpressionDAGChecker* dagChecker,
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EvaluatedTargetPropertyEntries& entries)
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{
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if (cmLinkImplementationLibraries const* impl =
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headTarget->GetLinkImplementationLibraries(config, UseTo::Compile)) {
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entries.HadContextSensitiveCondition = impl->HadContextSensitiveCondition;
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for (cmLinkImplItem const& lib : impl->Libraries) {
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if (lib.Target &&
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lib.Target->GetType() == cmStateEnums::OBJECT_LIBRARY) {
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std::string uniqueName =
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headTarget->GetGlobalGenerator()->IndexGeneratorTargetUniquely(
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lib.Target);
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std::string genex = "$<TARGET_OBJECTS:" + std::move(uniqueName) + ">";
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cmGeneratorExpression ge(*headTarget->Makefile->GetCMakeInstance(),
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lib.Backtrace);
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std::unique_ptr<cmCompiledGeneratorExpression> cge = ge.Parse(genex);
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cge->SetEvaluateForBuildsystem(true);
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EvaluatedTargetPropertyEntry ee(lib, lib.Backtrace);
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cmExpandList(cge->Evaluate(headTarget->GetLocalGenerator(), config,
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headTarget, dagChecker),
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ee.Values);
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if (cge->GetHadContextSensitiveCondition()) {
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ee.ContextDependent = true;
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}
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entries.Entries.emplace_back(std::move(ee));
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}
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}
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}
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}
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void addFileSetEntry(cmGeneratorTarget const* headTarget,
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std::string const& config,
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cmGeneratorExpressionDAGChecker* dagChecker,
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cmFileSet const* fileSet,
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EvaluatedTargetPropertyEntries& entries)
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{
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auto dirCges = fileSet->CompileDirectoryEntries();
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auto dirs = fileSet->EvaluateDirectoryEntries(
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dirCges, headTarget->GetLocalGenerator(), config, headTarget, dagChecker);
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bool contextSensitiveDirs = false;
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for (auto const& dirCge : dirCges) {
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if (dirCge->GetHadContextSensitiveCondition()) {
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contextSensitiveDirs = true;
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break;
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}
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}
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cmake* cm = headTarget->GetLocalGenerator()->GetCMakeInstance();
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for (auto& entryCge : fileSet->CompileFileEntries()) {
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auto tpe = cmGeneratorTarget::TargetPropertyEntry::CreateFileSet(
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dirs, contextSensitiveDirs, std::move(entryCge), fileSet);
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entries.Entries.emplace_back(
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EvaluateTargetPropertyEntry(headTarget, config, "", dagChecker, *tpe));
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EvaluatedTargetPropertyEntry const& entry = entries.Entries.back();
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for (auto const& file : entry.Values) {
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auto* sf = headTarget->Makefile->GetOrCreateSource(file);
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if (fileSet->GetType() == "HEADERS"_s) {
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sf->SetProperty("HEADER_FILE_ONLY", "TRUE");
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}
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#ifndef CMAKE_BOOTSTRAP
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std::string e;
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std::string w;
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auto path = sf->ResolveFullPath(&e, &w);
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if (!w.empty()) {
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cm->IssueMessage(MessageType::AUTHOR_WARNING, w, entry.Backtrace);
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}
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if (path.empty()) {
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if (!e.empty()) {
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cm->IssueMessage(MessageType::FATAL_ERROR, e, entry.Backtrace);
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}
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return;
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}
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bool found = false;
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for (auto const& sg : headTarget->Makefile->GetSourceGroups()) {
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if (sg.MatchChildrenFiles(path)) {
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found = true;
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break;
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}
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}
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if (!found) {
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if (fileSet->GetType() == "HEADERS"_s) {
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headTarget->Makefile->GetOrCreateSourceGroup("Header Files")
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->AddGroupFile(path);
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}
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}
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#endif
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}
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}
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}
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void AddFileSetEntries(cmGeneratorTarget const* headTarget,
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std::string const& config,
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cmGeneratorExpressionDAGChecker* dagChecker,
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EvaluatedTargetPropertyEntries& entries)
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{
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for (auto const& entry : headTarget->Target->GetHeaderSetsEntries()) {
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for (auto const& name : cmList{ entry.Value }) {
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auto const* headerSet = headTarget->Target->GetFileSet(name);
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addFileSetEntry(headTarget, config, dagChecker, headerSet, entries);
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}
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}
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for (auto const& entry : headTarget->Target->GetCxxModuleSetsEntries()) {
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for (auto const& name : cmList{ entry.Value }) {
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auto const* cxxModuleSet = headTarget->Target->GetFileSet(name);
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addFileSetEntry(headTarget, config, dagChecker, cxxModuleSet, entries);
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}
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}
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}
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bool processSources(cmGeneratorTarget const* tgt,
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EvaluatedTargetPropertyEntries& entries,
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std::vector<BT<std::string>>& srcs,
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std::unordered_set<std::string>& uniqueSrcs,
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bool debugSources)
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{
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cmMakefile* mf = tgt->Target->GetMakefile();
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bool contextDependent = entries.HadContextSensitiveCondition;
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for (EvaluatedTargetPropertyEntry& entry : entries.Entries) {
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if (entry.ContextDependent) {
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contextDependent = true;
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}
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cmLinkImplItem const& item = entry.LinkImplItem;
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std::string const& targetName = item.AsStr();
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for (std::string& src : entry.Values) {
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cmSourceFile* sf = mf->GetOrCreateSource(src);
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std::string e;
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std::string w;
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std::string fullPath = sf->ResolveFullPath(&e, &w);
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cmake* cm = tgt->GetLocalGenerator()->GetCMakeInstance();
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if (!w.empty()) {
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cm->IssueMessage(MessageType::AUTHOR_WARNING, w, entry.Backtrace);
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}
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if (fullPath.empty()) {
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if (!e.empty()) {
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cm->IssueMessage(MessageType::FATAL_ERROR, e, entry.Backtrace);
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}
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return contextDependent;
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}
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if (!targetName.empty() && !cmSystemTools::FileIsFullPath(src)) {
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std::ostringstream err;
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if (!targetName.empty()) {
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err << "Target \"" << targetName
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<< "\" contains relative path in its INTERFACE_SOURCES:\n \""
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<< src << "\"";
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} else {
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err << "Found relative path while evaluating sources of \""
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<< tgt->GetName() << "\":\n \"" << src << "\"\n";
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}
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tgt->GetLocalGenerator()->IssueMessage(MessageType::FATAL_ERROR,
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err.str());
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return contextDependent;
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}
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src = fullPath;
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}
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std::string usedSources;
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for (std::string const& src : entry.Values) {
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if (uniqueSrcs.insert(src).second) {
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srcs.emplace_back(src, entry.Backtrace);
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if (debugSources) {
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usedSources += " * " + src + "\n";
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}
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}
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}
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if (!usedSources.empty()) {
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tgt->GetLocalGenerator()->GetCMakeInstance()->IssueMessage(
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MessageType::LOG,
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std::string("Used sources for target ") + tgt->GetName() + ":\n" +
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usedSources,
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entry.Backtrace);
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}
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}
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return contextDependent;
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}
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}
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std::vector<BT<std::string>> cmGeneratorTarget::GetSourceFilePaths(
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std::string const& config) const
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{
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std::vector<BT<std::string>> files;
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if (!this->LocalGenerator->GetGlobalGenerator()->GetConfigureDoneCMP0026()) {
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// At configure-time, this method can be called as part of getting the
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// LOCATION property or to export() a file to be include()d. However
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// there is no cmGeneratorTarget at configure-time, so search the SOURCES
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// for TARGET_OBJECTS instead for backwards compatibility with OLD
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// behavior of CMP0024 and CMP0026 only.
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cmBTStringRange sourceEntries = this->Target->GetSourceEntries();
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for (auto const& entry : sourceEntries) {
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cmList items{ entry.Value };
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for (auto const& item : items) {
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if (cmHasLiteralPrefix(item, "$<TARGET_OBJECTS:") &&
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item.back() == '>') {
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continue;
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}
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files.emplace_back(item);
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}
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}
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return files;
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}
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cmList debugProperties{ this->Makefile->GetDefinition(
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"CMAKE_DEBUG_TARGET_PROPERTIES") };
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bool debugSources =
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!this->DebugSourcesDone && cm::contains(debugProperties, "SOURCES");
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if (this->LocalGenerator->GetGlobalGenerator()->GetConfigureDoneCMP0026()) {
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this->DebugSourcesDone = true;
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}
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cmGeneratorExpressionDAGChecker dagChecker(this, "SOURCES", nullptr, nullptr,
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this->LocalGenerator, config);
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EvaluatedTargetPropertyEntries entries = EvaluateTargetPropertyEntries(
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this, config, std::string(), &dagChecker, this->SourceEntries);
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std::unordered_set<std::string> uniqueSrcs;
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bool contextDependentDirectSources =
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processSources(this, entries, files, uniqueSrcs, debugSources);
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// Collect INTERFACE_SOURCES of all direct link-dependencies.
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EvaluatedTargetPropertyEntries linkInterfaceSourcesEntries;
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AddInterfaceEntries(this, config, "INTERFACE_SOURCES", std::string(),
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&dagChecker, linkInterfaceSourcesEntries,
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IncludeRuntimeInterface::No, UseTo::Compile);
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bool contextDependentInterfaceSources = processSources(
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this, linkInterfaceSourcesEntries, files, uniqueSrcs, debugSources);
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// Collect TARGET_OBJECTS of direct object link-dependencies.
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bool contextDependentObjects = false;
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if (this->GetType() != cmStateEnums::OBJECT_LIBRARY) {
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EvaluatedTargetPropertyEntries linkObjectsEntries;
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AddObjectEntries(this, config, &dagChecker, linkObjectsEntries);
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contextDependentObjects = processSources(this, linkObjectsEntries, files,
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uniqueSrcs, debugSources);
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// Note that for imported targets or multi-config generators supporting
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// cross-config builds the paths to the object files must be per-config,
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// so contextDependentObjects will be true here even if object libraries
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// are specified without per-config generator expressions.
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}
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// Collect this target's file sets.
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EvaluatedTargetPropertyEntries fileSetEntries;
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AddFileSetEntries(this, config, &dagChecker, fileSetEntries);
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bool contextDependentFileSets =
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processSources(this, fileSetEntries, files, uniqueSrcs, debugSources);
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// Determine if sources are context-dependent or not.
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if (!contextDependentDirectSources && !contextDependentInterfaceSources &&
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!contextDependentObjects && !contextDependentFileSets) {
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this->SourcesAreContextDependent = Tribool::False;
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} else {
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this->SourcesAreContextDependent = Tribool::True;
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}
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return files;
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}
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void cmGeneratorTarget::GetSourceFiles(std::vector<cmSourceFile*>& files,
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const std::string& config) const
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{
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std::vector<BT<cmSourceFile*>> tmp = this->GetSourceFiles(config);
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files.reserve(tmp.size());
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for (BT<cmSourceFile*>& v : tmp) {
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files.push_back(v.Value);
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}
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}
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std::vector<BT<cmSourceFile*>> cmGeneratorTarget::GetSourceFiles(
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std::string const& config) const
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{
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std::vector<BT<cmSourceFile*>> files;
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if (!this->GlobalGenerator->GetConfigureDoneCMP0026()) {
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// Since we are still configuring not all sources may exist yet,
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// so we need to avoid full source classification because that
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// requires the absolute paths to all sources to be determined.
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// Since this is only for compatibility with old policies that
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// projects should not depend on anymore, just compute the files
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// without memoizing them.
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std::vector<BT<std::string>> srcs = this->GetSourceFilePaths(config);
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std::set<cmSourceFile*> emitted;
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for (BT<std::string> const& s : srcs) {
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cmSourceFile* sf = this->Makefile->GetOrCreateSource(s.Value);
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if (emitted.insert(sf).second) {
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files.emplace_back(sf, s.Backtrace);
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}
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}
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return files;
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}
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KindedSources const& kinded = this->GetKindedSources(config);
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files.reserve(kinded.Sources.size());
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for (SourceAndKind const& si : kinded.Sources) {
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files.push_back(si.Source);
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}
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return files;
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}
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void cmGeneratorTarget::GetSourceFilesWithoutObjectLibraries(
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std::vector<cmSourceFile*>& files, const std::string& config) const
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{
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std::vector<BT<cmSourceFile*>> tmp =
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this->GetSourceFilesWithoutObjectLibraries(config);
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files.reserve(tmp.size());
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for (BT<cmSourceFile*>& v : tmp) {
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files.push_back(v.Value);
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}
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}
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std::vector<BT<cmSourceFile*>>
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cmGeneratorTarget::GetSourceFilesWithoutObjectLibraries(
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std::string const& config) const
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{
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std::vector<BT<cmSourceFile*>> files;
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KindedSources const& kinded = this->GetKindedSources(config);
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files.reserve(kinded.Sources.size());
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for (SourceAndKind const& si : kinded.Sources) {
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if (si.Source.Value->GetObjectLibrary().empty()) {
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files.push_back(si.Source);
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}
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}
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return files;
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}
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cmGeneratorTarget::KindedSources const& cmGeneratorTarget::GetKindedSources(
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std::string const& config) const
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{
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// If we already processed one configuration and found no dependency
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// on configuration then always use the one result.
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if (this->SourcesAreContextDependent == Tribool::False) {
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return this->KindedSourcesMap.begin()->second;
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}
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// Lookup any existing link implementation for this configuration.
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std::string const key = cmSystemTools::UpperCase(config);
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auto it = this->KindedSourcesMap.find(key);
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if (it != this->KindedSourcesMap.end()) {
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if (!it->second.Initialized) {
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std::ostringstream e;
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e << "The SOURCES of \"" << this->GetName()
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<< "\" use a generator expression that depends on the "
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"SOURCES themselves.";
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this->GlobalGenerator->GetCMakeInstance()->IssueMessage(
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MessageType::FATAL_ERROR, e.str(), this->GetBacktrace());
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static KindedSources empty;
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return empty;
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}
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return it->second;
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}
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// Add an entry to the map for this configuration.
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KindedSources& files = this->KindedSourcesMap[key];
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this->ComputeKindedSources(files, config);
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files.Initialized = true;
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return files;
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}
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void cmGeneratorTarget::ComputeKindedSources(KindedSources& files,
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std::string const& config) const
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{
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// Get the source file paths by string.
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std::vector<BT<std::string>> srcs = this->GetSourceFilePaths(config);
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cmsys::RegularExpression header_regex(CM_HEADER_REGEX);
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std::vector<cmSourceFile*> badObjLib;
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std::set<cmSourceFile*> emitted;
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for (BT<std::string> const& s : srcs) {
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// Create each source at most once.
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cmSourceFile* sf = this->Makefile->GetOrCreateSource(s.Value);
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if (!emitted.insert(sf).second) {
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continue;
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}
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// Compute the kind (classification) of this source file.
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SourceKind kind;
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std::string ext = cmSystemTools::LowerCase(sf->GetExtension());
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cmFileSet const* fs = this->GetFileSetForSource(config, sf);
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if (sf->GetCustomCommand()) {
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kind = SourceKindCustomCommand;
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} else if (!this->Target->IsNormal() && !this->Target->IsImported() &&
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fs && (fs->GetType() == "CXX_MODULES"_s)) {
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kind = SourceKindCxxModuleSource;
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} else if (this->Target->GetType() == cmStateEnums::UTILITY ||
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this->Target->GetType() == cmStateEnums::INTERFACE_LIBRARY
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// XXX(clang-tidy): https://bugs.llvm.org/show_bug.cgi?id=44165
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// NOLINTNEXTLINE(bugprone-branch-clone)
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) {
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kind = SourceKindExtra;
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} else if (this->IsSourceFilePartOfUnityBatch(sf->ResolveFullPath())) {
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kind = SourceKindUnityBatched;
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// XXX(clang-tidy): https://bugs.llvm.org/show_bug.cgi?id=44165
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// NOLINTNEXTLINE(bugprone-branch-clone)
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} else if (sf->GetPropertyAsBool("HEADER_FILE_ONLY")) {
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kind = SourceKindHeader;
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} else if (sf->GetPropertyAsBool("EXTERNAL_OBJECT")) {
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kind = SourceKindExternalObject;
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} else if (!sf->GetOrDetermineLanguage().empty()) {
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kind = SourceKindObjectSource;
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} else if (ext == "def") {
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kind = SourceKindModuleDefinition;
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if (this->GetType() == cmStateEnums::OBJECT_LIBRARY) {
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badObjLib.push_back(sf);
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}
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} else if (ext == "idl") {
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kind = SourceKindIDL;
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if (this->GetType() == cmStateEnums::OBJECT_LIBRARY) {
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badObjLib.push_back(sf);
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}
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} else if (ext == "resx") {
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kind = SourceKindResx;
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} else if (ext == "appxmanifest") {
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kind = SourceKindAppManifest;
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} else if (ext == "manifest") {
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if (sf->GetPropertyAsBool("VS_DEPLOYMENT_CONTENT")) {
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kind = SourceKindExtra;
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} else {
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kind = SourceKindManifest;
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}
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} else if (ext == "pfx") {
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kind = SourceKindCertificate;
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} else if (ext == "xaml") {
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kind = SourceKindXaml;
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} else if (header_regex.find(sf->ResolveFullPath())) {
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kind = SourceKindHeader;
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} else {
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kind = SourceKindExtra;
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}
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// Save this classified source file in the result vector.
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files.Sources.push_back({ BT<cmSourceFile*>(sf, s.Backtrace), kind });
|
|
}
|
|
|
|
if (!badObjLib.empty()) {
|
|
std::ostringstream e;
|
|
e << "OBJECT library \"" << this->GetName() << "\" contains:\n";
|
|
for (cmSourceFile* i : badObjLib) {
|
|
e << " " << i->GetLocation().GetName() << "\n";
|
|
}
|
|
e << "but may contain only sources that compile, header files, and "
|
|
"other files that would not affect linking of a normal library.";
|
|
this->GlobalGenerator->GetCMakeInstance()->IssueMessage(
|
|
MessageType::FATAL_ERROR, e.str(), this->GetBacktrace());
|
|
}
|
|
}
|
|
|
|
std::vector<cmGeneratorTarget::AllConfigSource> const&
|
|
cmGeneratorTarget::GetAllConfigSources() const
|
|
{
|
|
if (this->AllConfigSources.empty()) {
|
|
this->ComputeAllConfigSources();
|
|
}
|
|
return this->AllConfigSources;
|
|
}
|
|
|
|
void cmGeneratorTarget::ComputeAllConfigSources() const
|
|
{
|
|
std::vector<std::string> configs =
|
|
this->Makefile->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
|
|
|
|
std::map<cmSourceFile const*, size_t> index;
|
|
|
|
for (size_t ci = 0; ci < configs.size(); ++ci) {
|
|
KindedSources const& sources = this->GetKindedSources(configs[ci]);
|
|
for (SourceAndKind const& src : sources.Sources) {
|
|
auto mi = index.find(src.Source.Value);
|
|
if (mi == index.end()) {
|
|
AllConfigSource acs;
|
|
acs.Source = src.Source.Value;
|
|
acs.Kind = src.Kind;
|
|
this->AllConfigSources.push_back(std::move(acs));
|
|
std::map<cmSourceFile const*, size_t>::value_type entry(
|
|
src.Source.Value, this->AllConfigSources.size() - 1);
|
|
mi = index.insert(entry).first;
|
|
}
|
|
this->AllConfigSources[mi->second].Configs.push_back(ci);
|
|
}
|
|
}
|
|
}
|
|
|
|
std::vector<cmGeneratorTarget::AllConfigSource>
|
|
cmGeneratorTarget::GetAllConfigSources(SourceKind kind) const
|
|
{
|
|
std::vector<AllConfigSource> result;
|
|
for (AllConfigSource const& source : this->GetAllConfigSources()) {
|
|
if (source.Kind == kind) {
|
|
result.push_back(source);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
std::set<std::string> cmGeneratorTarget::GetAllConfigCompileLanguages() const
|
|
{
|
|
std::set<std::string> languages;
|
|
std::vector<AllConfigSource> const& sources = this->GetAllConfigSources();
|
|
for (AllConfigSource const& si : sources) {
|
|
std::string const& lang = si.Source->GetOrDetermineLanguage();
|
|
if (!lang.empty()) {
|
|
languages.emplace(lang);
|
|
}
|
|
}
|
|
return languages;
|
|
}
|