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cmBuildDatabase: support writing template files

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This commit is contained in:
Ben Boeckel
2023-10-01 10:23:00 -04:00
parent cedfaa010f
commit 48faa19c19
2 changed files with 90 additions and 0 deletions
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Source/cmBuildDatabase.cxx
+86
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@@ -3,6 +3,7 @@
#include "cmBuildDatabase.h"
#include <cstdlib>
#include <set>
#include <utility>
#include <cm/memory>
@@ -15,10 +16,23 @@
#include "cmsys/FStream.hxx"
#include "cmComputeLinkInformation.h"
#include "cmFileSet.h"
#include "cmGeneratedFileStream.h"
#include "cmGeneratorTarget.h"
#include "cmGlobalGenerator.h"
#include "cmListFileCache.h"
#include "cmLocalGenerator.h"
#include "cmSourceFile.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
namespace {
std::string PlaceholderName = "<__CMAKE_UNKNOWN>";
}
cmBuildDatabase::cmBuildDatabase() = default;
cmBuildDatabase::cmBuildDatabase(cmBuildDatabase const&) = default;
cmBuildDatabase::~cmBuildDatabase() = default;
@@ -374,6 +388,78 @@ cmBuildDatabase cmBuildDatabase::Merge(
return db;
}
cmBuildDatabase cmBuildDatabase::ForTarget(cmGeneratorTarget* gt,
std::string const& config)
{
cmBuildDatabase db;
Set set;
set.Name = cmStrCat(gt->GetName(), '@', config);
set.FamilyName = gt->GetFamilyName();
if (auto* cli = gt->GetLinkInformation(config)) {
std::set<cmGeneratorTarget const*> emitted;
std::vector<cmGeneratorTarget const*> targets;
for (auto const& item : cli->GetItems()) {
auto const* linkee = item.Target;
if (linkee && linkee->HaveCxx20ModuleSources() &&
!linkee->IsImported() && emitted.insert(linkee).second) {
set.VisibleSets.push_back(cmStrCat(linkee->GetName(), '@', config));
}
}
}
for (auto const& sfbt : gt->GetSourceFiles(config)) {
auto const* sf = sfbt.Value;
bool isCXXModule = false;
bool isPrivate = true;
if (sf->GetLanguage() != "CXX"_s) {
auto const* fs = gt->GetFileSetForSource(config, sf);
if (fs && fs->GetType() == "CXX_MODULES"_s) {
isCXXModule = true;
isPrivate = !cmFileSetVisibilityIsForInterface(fs->GetVisibility());
}
}
TranslationUnit tu;
// FIXME: Makefiles will want this to be the current working directory.
tu.WorkDirectory = gt->GetLocalGenerator()->GetBinaryDirectory();
tu.Source = sf->GetFullPath();
if (!gt->IsSynthetic()) {
auto* gg = gt->GetGlobalGenerator();
std::string const objectDir = gg->ConvertToOutputPath(
cmStrCat(gt->GetSupportDirectory(), gg->GetConfigDirectory(config)));
std::string const objectFileName = gt->GetObjectName(sf);
tu.Object = cmStrCat(objectDir, '/', objectFileName);
}
if (isCXXModule) {
tu.Provides[PlaceholderName] = PlaceholderName;
}
cmGeneratorTarget::ClassifiedFlags classifiedFlags =
gt->GetClassifiedFlagsForSource(sf, config);
for (auto const& classifiedFlag : classifiedFlags) {
if (classifiedFlag.Classification ==
cmGeneratorTarget::FlagClassification::BaselineFlag) {
tu.BaselineArguments.push_back(classifiedFlag.Flag);
tu.LocalArguments.push_back(classifiedFlag.Flag);
} else if (classifiedFlag.Classification ==
cmGeneratorTarget::FlagClassification::PrivateFlag) {
tu.LocalArguments.push_back(classifiedFlag.Flag);
}
tu.Arguments.push_back(classifiedFlag.Flag);
}
tu.Private = isPrivate;
set.TranslationUnits.emplace_back(std::move(tu));
}
db.Sets.emplace_back(std::move(set));
return db;
}
int cmcmd_cmake_module_compile_db(
std::vector<std::string>::const_iterator argBeg,
std::vector<std::string>::const_iterator argEnd)