1 files changed, 127 insertions, 0 deletions
diff --git a/cpp/src/slice2objc/ObjCUtil.h b/cpp/src/slice2objc/ObjCUtil.h
new file mode 100644
index 00000000000..7c8236ede63
--- /dev/null
+++ b/cpp/src/slice2objc/ObjCUtil.h
@@ -0,0 +1,127 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#ifndef OBJC_UTIL_H
+#define OBJC_UTIL_H
+
+#include <Slice/Parser.h>
+#include <IceUtil/OutputUtil.h>
+
+namespace Slice
+{
+
+enum BaseType
+{
+    BaseTypeNone,
+    BaseTypeObject,
+    BaseTypeException
+};
+
+class ObjCGenerator : private ::IceUtil::noncopyable
+{
+public:
+
+    virtual ~ObjCGenerator() {};
+
+    //
+    // Validate all metadata in the unit with an "objc:" prefix.
+    //
+    static void validateMetaData(const UnitPtr&);
+
+protected:
+    struct ModulePrefix
+    {
+        ModulePtr m;
+        std::string name;
+    };
+
+    static bool addModule(const ModulePtr&, const std::string&);
+    static ModulePrefix modulePrefix(const ModulePtr&);
+    static std::string moduleName(const ModulePtr&);
+    static ModulePtr findModule(const ContainedPtr&, int = 0, bool = false);
+    static void modulePrefixError(const ModulePtr&, const std::string&);
+    static std::string fixId(const std::string&, int = 0, bool = false);
+    static std::string fixId(const ContainedPtr&, int = 0, bool = false);
+    static std::string fixName(const ContainedPtr&, int = 0, bool = false);
+    static std::string fixScoped(const ContainedPtr&, int = 0, bool = false);
+    static std::string getParamId(const ContainedPtr&);
+    static std::string getFactoryMethod(const ContainedPtr&, bool);
+    static std::string typeToString(const TypePtr&);
+    static std::string inTypeToString(const TypePtr&, bool, bool = false, bool = false);
+    static std::string outTypeToString(const TypePtr&, bool, bool = false, bool = false);
+    static std::string typeToObjCTypeString(const TypePtr&);
+    static bool isValueType(const TypePtr&);
+    static bool isString(const TypePtr&);
+    static bool isClass(const TypePtr&);
+    static bool mapsToPointerType(const TypePtr&);
+    static std::string getBuiltinName(const BuiltinPtr&);
+    static std::string getBuiltinSelector(const BuiltinPtr&, bool);
+    static std::string getOptionalHelperGetter(const TypePtr&);
+    static std::string getOptionalStreamHelper(const TypePtr&);
+    static StringList splitScopedName(const std::string&);
+    static std::string getOptionalFormat(const TypePtr&);
+
+    //
+    // Generate code to marshal or unmarshal a type
+    //
+    void writeMarshalUnmarshalCode(::IceUtilInternal::Output&, const TypePtr&, const std::string&, bool, bool) const;
+    void writeOptMemberMarshalUnmarshalCode(::IceUtilInternal::Output&, const TypePtr&, const std::string&, bool) const;
+    void writeOptParamMarshalUnmarshalCode(::IceUtilInternal::Output&, const TypePtr&, const std::string&, int,
+                                           bool) const;
+
+private:
+
+    class MetaDataVisitor : public ParserVisitor
+    {
+    public:
+        MetaDataVisitor();
+
+        virtual bool visitUnitStart(const UnitPtr&);
+        virtual bool visitModuleStart(const ModulePtr&);
+        virtual void visitModuleEnd(const ModulePtr&);
+        virtual void visitClassDecl(const ClassDeclPtr&);
+        virtual bool visitClassDefStart(const ClassDefPtr&);
+        virtual void visitClassDefEnd(const ClassDefPtr&);
+        virtual bool visitExceptionStart(const ExceptionPtr&);
+        virtual void visitExceptionEnd(const ExceptionPtr&);
+        virtual bool visitStructStart(const StructPtr&);
+        virtual void visitStructEnd(const StructPtr&);
+        virtual void visitOperation(const OperationPtr&);
+        virtual void visitParamDecl(const ParamDeclPtr&);
+        virtual void visitDataMember(const DataMemberPtr&);
+        virtual void visitSequence(const SequencePtr&);
+        virtual void visitDictionary(const DictionaryPtr&);
+        virtual void visitEnum(const EnumPtr&);
+        virtual void visitConst(const ConstPtr&);
+
+    private:
+
+        void validate(const ContainedPtr&);
+
+        static Slice::StringList getMetaData(const ContainedPtr&);
+        static void modulePrefixError(const ModulePtr&, const std::string&);
+
+        static const std::string _objcPrefix; // "objc:"
+        static const std::string _msg; // "ignoring invalid metadata"
+
+        StringSet _history;
+    };
+
+
+    //
+    // Map of module scoped name to ModulePtr. Used to verify that objc:prefix metadata directives are consistent.
+    //
+
+    typedef std::map<std::string, ModulePrefix> ModuleMap;
+    static ModuleMap _modules;
+};
+
+}
+
+#endif