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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#pragma once
#include "cmConfigure.h" // IWYU pragma: keep
#include <iosfwd>
#include <map>
#include <set>
#include <string>
#include <vector>
#include "cmGeneratorExpression.h"
#include "cmStateTypes.h"
#include "cmVersion.h"
#include "cmVersionConfig.h"
class cmFileSet;
class cmGeneratorTarget;
class cmLocalGenerator;
class cmTargetExport;
#define STRINGIFY_HELPER(X) #X
#define STRINGIFY(X) STRINGIFY_HELPER(X)
#define DEVEL_CMAKE_VERSION(major, minor) \
(CMake_VERSION_ENCODE(major, minor, 0) > \
CMake_VERSION_ENCODE(CMake_VERSION_MAJOR, CMake_VERSION_MINOR, 0) \
? STRINGIFY(CMake_VERSION_MAJOR) "." STRINGIFY( \
CMake_VERSION_MINOR) "." STRINGIFY(CMake_VERSION_PATCH) \
: #major "." #minor ".0")
/** \class cmExportFileGenerator
* \brief Generate a file exporting targets from a build or install tree.
*
* cmExportFileGenerator is the superclass for
* cmExportBuildFileGenerator and cmExportInstallFileGenerator. It
* contains common code generation routines for the two kinds of
* export implementations.
*/
class cmExportFileGenerator
{
public:
cmExportFileGenerator();
virtual ~cmExportFileGenerator() = default;
/** Set the full path to the export file to generate. */
void SetExportFile(const char* mainFile);
const std::string& GetMainExportFileName() const;
/** Set the namespace in which to place exported target names. */
void SetNamespace(const std::string& ns) { this->Namespace = ns; }
std::string GetNamespace() const { return this->Namespace; }
void SetExportOld(bool exportOld) { this->ExportOld = exportOld; }
/** Add a configuration to be exported. */
void AddConfiguration(const std::string& config);
/** Actually generate the export file. Returns whether there was an
error. */
bool GenerateImportFile();
protected:
using ImportPropertyMap = std::map<std::string, std::string>;
// Generate per-configuration target information to the given output
// stream.
void GenerateImportConfig(std::ostream& os, const std::string& config);
// Methods to implement export file code generation.
virtual void GeneratePolicyHeaderCode(std::ostream& os);
virtual void GeneratePolicyFooterCode(std::ostream& os);
virtual void GenerateImportHeaderCode(std::ostream& os,
const std::string& config = "");
virtual void GenerateImportFooterCode(std::ostream& os);
void GenerateImportVersionCode(std::ostream& os);
virtual void GenerateImportTargetCode(std::ostream& os,
cmGeneratorTarget const* target,
cmStateEnums::TargetType targetType);
virtual void GenerateImportPropertyCode(std::ostream& os,
const std::string& config,
cmGeneratorTarget const* target,
ImportPropertyMap const& properties);
virtual void GenerateImportedFileChecksCode(
std::ostream& os, cmGeneratorTarget* target,
ImportPropertyMap const& properties,
const std::set<std::string>& importedLocations);
virtual void GenerateImportedFileCheckLoop(std::ostream& os);
virtual void GenerateMissingTargetsCheckCode(std::ostream& os);
virtual void GenerateExpectedTargetsCode(std::ostream& os,
const std::string& expectedTargets);
// Collect properties with detailed information about targets beyond
// their location on disk.
void SetImportDetailProperties(const std::string& config,
std::string const& suffix,
cmGeneratorTarget* target,
ImportPropertyMap& properties);
enum class ImportLinkPropertyTargetNames
{
Yes,
No,
};
template <typename T>
void SetImportLinkProperty(std::string const& suffix,
cmGeneratorTarget const* target,
const std::string& propName,
std::vector<T> const& entries,
ImportPropertyMap& properties,
ImportLinkPropertyTargetNames targetNames);
/** Each subclass knows how to generate its kind of export file. */
virtual bool GenerateMainFile(std::ostream& os) = 0;
/** Each subclass knows where the target files are located. */
virtual void GenerateImportTargetsConfig(std::ostream& os,
const std::string& config,
std::string const& suffix) = 0;
/** Each subclass knows how to deal with a target that is missing from an
* export set. */
virtual void HandleMissingTarget(std::string& link_libs,
cmGeneratorTarget const* depender,
cmGeneratorTarget* dependee) = 0;
void PopulateInterfaceProperty(const std::string&,
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext,
ImportPropertyMap& properties);
bool PopulateInterfaceLinkLibrariesProperty(
cmGeneratorTarget const* target, cmGeneratorExpression::PreprocessContext,
ImportPropertyMap& properties);
void PopulateInterfaceProperty(const std::string& propName,
cmGeneratorTarget const* target,
ImportPropertyMap& properties);
void PopulateCompatibleInterfaceProperties(cmGeneratorTarget const* target,
ImportPropertyMap& properties);
virtual void GenerateInterfaceProperties(
cmGeneratorTarget const* target, std::ostream& os,
const ImportPropertyMap& properties);
void PopulateIncludeDirectoriesInterface(
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties, cmTargetExport const& te,
std::string& includesDestinationDirs);
void PopulateSourcesInterface(
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties);
void PopulateLinkDirectoriesInterface(
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties);
void PopulateLinkDependsInterface(
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext preprocessRule,
ImportPropertyMap& properties);
void SetImportLinkInterface(
const std::string& config, std::string const& suffix,
cmGeneratorExpression::PreprocessContext preprocessRule,
cmGeneratorTarget const* target, ImportPropertyMap& properties);
enum FreeTargetsReplace
{
ReplaceFreeTargets,
NoReplaceFreeTargets
};
void ResolveTargetsInGeneratorExpressions(
std::string& input, cmGeneratorTarget const* target,
FreeTargetsReplace replace = NoReplaceFreeTargets);
virtual void GenerateRequiredCMakeVersion(std::ostream& os,
const char* versionString);
bool PopulateCxxModuleExportProperties(
cmGeneratorTarget const* gte, ImportPropertyMap& properties,
cmGeneratorExpression::PreprocessContext ctx,
std::string const& includesDestinationDirs, std::string& errorMessage);
bool PopulateExportProperties(cmGeneratorTarget const* gte,
ImportPropertyMap& properties,
std::string& errorMessage);
void GenerateTargetFileSets(cmGeneratorTarget* gte, std::ostream& os,
cmTargetExport* te = nullptr);
void GenerateCxxModuleInformation(std::ostream& os);
virtual std::string GetFileSetDirectories(cmGeneratorTarget* gte,
cmFileSet* fileSet,
cmTargetExport* te) = 0;
virtual std::string GetFileSetFiles(cmGeneratorTarget* gte,
cmFileSet* fileSet,
cmTargetExport* te) = 0;
// The namespace in which the exports are placed in the generated file.
std::string Namespace;
bool ExportOld;
// The set of configurations to export.
std::vector<std::string> Configurations;
// The file to generate.
std::string MainImportFile;
std::string FileDir;
std::string FileBase;
std::string FileExt;
bool AppendMode;
// The set of targets included in the export.
std::set<cmGeneratorTarget*> ExportedTargets;
std::vector<std::string> MissingTargets;
private:
void PopulateInterfaceProperty(const std::string&, const std::string&,
cmGeneratorTarget const* target,
cmGeneratorExpression::PreprocessContext,
ImportPropertyMap& properties);
bool AddTargetNamespace(std::string& input, cmGeneratorTarget const* target,
cmLocalGenerator const* lg);
void ResolveTargetsInGeneratorExpression(std::string& input,
cmGeneratorTarget const* target,
cmLocalGenerator const* lg);
virtual void ReplaceInstallPrefix(std::string& input);
virtual std::string InstallNameDir(cmGeneratorTarget const* target,
const std::string& config) = 0;
virtual std::string GetCxxModulesDirectory() const = 0;
virtual void GenerateCxxModuleConfigInformation(std::ostream& os) const = 0;
};
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