cmStandardLevelResolver: Added to handle standard level queries

Refactored out of cmMakefile

1 files changed, 111 insertions, 0 deletions

diff --git a/Source/cmStandardLevelResolver.h b/Source/cmStandardLevelResolver.h
new file mode 100644
index 0000000..666d6d3
--- /dev/null
+++ b/Source/cmStandardLevelResolver.h
@@ -0,0 +1,111 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#ifndef cmStandardLevelResolver_h
+#define cmStandardLevelResolver_h
+
+#include <string>
+
+#include "cmProperty.h"
+
+class cmMakefile;
+class cmGeneratorTarget;
+class cmTarget;
+
+class cmStandardLevelResolver
+{
+
+public:
+  explicit cmStandardLevelResolver(cmMakefile* makefile)
+    : Makefile(makefile)
+  {
+  }
+
+  bool AddRequiredTargetFeature(cmTarget* target, const std::string& feature,
+                                std::string* error = nullptr) const;
+
+  bool CompileFeatureKnown(const std::string& targetName,
+                           const std::string& feature, std::string& lang,
+                           std::string* error) const;
+
+  const char* CompileFeaturesAvailable(const std::string& lang,
+                                       std::string* error) const;
+
+  bool GetNewRequiredStandard(const std::string& targetName,
+                              const std::string& feature,
+                              cmProp currentLangStandardValue,
+                              std::string& newRequiredStandard,
+                              std::string* error = nullptr) const;
+
+  bool HaveStandardAvailable(cmGeneratorTarget const* target,
+                             std::string const& lang,
+                             std::string const& config,
+                             const std::string& feature) const;
+
+  bool IsLaterStandard(std::string const& lang, std::string const& lhs,
+                       std::string const& rhs) const;
+
+private:
+  bool AddRequiredTargetCFeature(cmTarget* target, const std::string& feature,
+                                 std::string const& lang,
+                                 std::string* error = nullptr) const;
+  bool AddRequiredTargetCxxFeature(cmTarget* target,
+                                   const std::string& feature,
+                                   std::string const& lang,
+                                   std::string* error = nullptr) const;
+  bool AddRequiredTargetCudaFeature(cmTarget* target,
+                                    const std::string& feature,
+                                    std::string const& lang,
+                                    std::string* error = nullptr) const;
+
+  bool CheckCompileFeaturesAvailable(const std::string& targetName,
+                                     const std::string& feature,
+                                     std::string& lang,
+                                     std::string* error) const;
+
+  void CheckNeededCLanguage(const std::string& feature,
+                            std::string const& lang, bool& needC90,
+                            bool& needC99, bool& needC11) const;
+  void CheckNeededCxxLanguage(const std::string& feature,
+                              std::string const& lang, bool& needCxx98,
+                              bool& needCxx11, bool& needCxx14,
+                              bool& needCxx17, bool& needCxx20) const;
+  void CheckNeededCudaLanguage(const std::string& feature,
+                               std::string const& lang, bool& needCuda03,
+                               bool& needCuda11, bool& needCuda14,
+                               bool& needCuda17, bool& needCuda20) const;
+
+  bool GetNewRequiredCStandard(const std::string& targetName,
+                               const std::string& feature,
+                               std::string const& lang,
+                               cmProp currentLangStandardValue,
+                               std::string& newRequiredStandard,
+                               std::string* error = nullptr) const;
+  bool GetNewRequiredCxxStandard(const std::string& targetName,
+                                 const std::string& feature,
+                                 std::string const& lang,
+                                 cmProp currentLangStandardValue,
+                                 std::string& newRequiredStandard,
+                                 std::string* error = nullptr) const;
+  bool GetNewRequiredCudaStandard(const std::string& targetName,
+                                  const std::string& feature,
+                                  std::string const& lang,
+                                  cmProp currentLangStandardValue,
+                                  std::string& newRequiredStandard,
+                                  std::string* error = nullptr) const;
+
+  bool HaveCStandardAvailable(cmGeneratorTarget const* target,
+                              std::string const& lang,
+                              std::string const& config,
+                              const std::string& feature) const;
+  bool HaveCxxStandardAvailable(cmGeneratorTarget const* target,
+                                std::string const& lang,
+                                std::string const& config,
+                                const std::string& feature) const;
+  bool HaveCudaStandardAvailable(cmGeneratorTarget const* target,
+                                 std::string const& lang,
+                                 std::string const& config,
+                                 const std::string& feature) const;
+
+  cmMakefile* Makefile;
+};
+#endif