Alpha 1 drop of Google's Objective C plugin and runtime support for protobufs.
diff --git a/objectivec/GPBDescriptor_PackagePrivate.h b/objectivec/GPBDescriptor_PackagePrivate.h
new file mode 100644
index 0000000..acb4fe7
--- /dev/null
+++ b/objectivec/GPBDescriptor_PackagePrivate.h
@@ -0,0 +1,293 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This header is private to the ProtobolBuffers library and must NOT be
+// included by any sources outside this library. The contents of this file are
+// subject to change at any time without notice.
+
+#import "GPBDescriptor.h"
+
+// Describes attributes of the field.
+typedef NS_OPTIONS(uint32_t, GPBFieldFlags) {
+ // These map to standard protobuf concepts.
+ GPBFieldRequired = 1 << 0,
+ GPBFieldRepeated = 1 << 1,
+ GPBFieldPacked = 1 << 2,
+ GPBFieldOptional = 1 << 3,
+ GPBFieldHasDefaultValue = 1 << 4,
+
+ // These are not standard protobuf concepts, they are specific to the
+ // Objective C runtime.
+
+ // These bits are used to mark the field as a map and what the key
+ // type is.
+ GPBFieldMapKeyMask = 0xF << 8,
+ GPBFieldMapKeyInt32 = 1 << 8,
+ GPBFieldMapKeyInt64 = 2 << 8,
+ GPBFieldMapKeyUInt32 = 3 << 8,
+ GPBFieldMapKeyUInt64 = 4 << 8,
+ GPBFieldMapKeySInt32 = 5 << 8,
+ GPBFieldMapKeySInt64 = 6 << 8,
+ GPBFieldMapKeyFixed32 = 7 << 8,
+ GPBFieldMapKeyFixed64 = 8 << 8,
+ GPBFieldMapKeySFixed32 = 9 << 8,
+ GPBFieldMapKeySFixed64 = 10 << 8,
+ GPBFieldMapKeyBool = 11 << 8,
+ GPBFieldMapKeyString = 12 << 8,
+
+ // Indicates the field needs custom handling for the TextFormat name, if not
+ // set, the name can be derived from the ObjC name.
+ GPBFieldTextFormatNameCustom = 1 << 16,
+ // Indicates the field has an enum descriptor.
+ // TODO(thomasvl): Output the CPP check to use descFunc or validator based
+ // on final compile. This will then get added based on that.
+ GPBFieldHasEnumDescriptor = 1 << 17,
+};
+
+// Describes a single field in a protobuf as it is represented as an ivar.
+typedef struct GPBMessageFieldDescription {
+ // Name of ivar.
+ const char *name;
+ // The field number for the ivar.
+ uint32_t number;
+ // The index (in bits) into _has_storage_.
+ // > 0: the bit to use for a value being set.
+ // = 0: no storage used.
+ // < 0: in a oneOf, use a full int32 to record the field active.
+ int32_t hasIndex;
+ // Field flags. Use accessor functions below.
+ GPBFieldFlags flags;
+ // Type of the ivar.
+ GPBType type;
+ // Offset of the variable into it's structure struct.
+ size_t offset;
+ // FieldOptions protobuf, serialized as string.
+ const char *fieldOptions;
+
+ GPBValue defaultValue; // Default value for the ivar.
+ union {
+ const char *className; // Name for message class.
+ // For enums only: If EnumDescriptors are compiled in, it will be that,
+ // otherwise it will be the verifier.
+ GPBEnumDescriptorFunc enumDescFunc;
+ GPBEnumValidationFunc enumVerifier;
+ } typeSpecific;
+} GPBMessageFieldDescription;
+
+// Describes a oneof.
+typedef struct GPBMessageOneofDescription {
+ // Name of this enum oneof.
+ const char *name;
+ // The index of this oneof in the has_storage.
+ int32_t index;
+} GPBMessageOneofDescription;
+
+// Describes an enum type defined in a .proto file.
+typedef struct GPBMessageEnumDescription {
+ GPBEnumDescriptorFunc enumDescriptorFunc;
+} GPBMessageEnumDescription;
+
+// Describes an individual enum constant of a particular type.
+typedef struct GPBMessageEnumValueDescription {
+ // Name of this enum constant.
+ const char *name;
+ // Numeric value of this enum constant.
+ int32_t number;
+} GPBMessageEnumValueDescription;
+
+// Describes attributes of the extension.
+typedef NS_OPTIONS(uint32_t, GPBExtensionOptions) {
+ // These map to standard protobuf concepts.
+ GPBExtensionRepeated = 1 << 0,
+ GPBExtensionPacked = 1 << 1,
+ GPBExtensionSetWireFormat = 1 << 2,
+};
+
+// An extension
+typedef struct GPBExtensionDescription {
+ const char *singletonName;
+ GPBType type;
+ const char *extendedClass;
+ int32_t fieldNumber;
+ GPBValue defaultValue;
+ const char *messageOrGroupClassName;
+ GPBExtensionOptions options;
+ GPBEnumDescriptorFunc enumDescriptorFunc;
+} GPBExtensionDescription;
+
+@interface GPBDescriptor () {
+ @package
+ NSArray *fields_;
+ NSArray *oneofs_;
+ size_t storageSize_;
+}
+
+// fieldDescriptions, enumDescriptions, rangeDescriptions, and
+// extraTextFormatInfo have to be long lived, they are held as raw pointers.
++ (instancetype)
+ allocDescriptorForClass:(Class)messageClass
+ rootClass:(Class)rootClass
+ file:(GPBFileDescriptor *)file
+ fields:(GPBMessageFieldDescription *)fieldDescriptions
+ fieldCount:(NSUInteger)fieldCount
+ oneofs:(GPBMessageOneofDescription *)oneofDescriptions
+ oneofCount:(NSUInteger)oneofCount
+ enums:(GPBMessageEnumDescription *)enumDescriptions
+ enumCount:(NSUInteger)enumCount
+ ranges:(const GPBExtensionRange *)ranges
+ rangeCount:(NSUInteger)rangeCount
+ storageSize:(size_t)storageSize
+ wireFormat:(BOOL)wireFormat;
++ (instancetype)
+ allocDescriptorForClass:(Class)messageClass
+ rootClass:(Class)rootClass
+ file:(GPBFileDescriptor *)file
+ fields:(GPBMessageFieldDescription *)fieldDescriptions
+ fieldCount:(NSUInteger)fieldCount
+ oneofs:(GPBMessageOneofDescription *)oneofDescriptions
+ oneofCount:(NSUInteger)oneofCount
+ enums:(GPBMessageEnumDescription *)enumDescriptions
+ enumCount:(NSUInteger)enumCount
+ ranges:(const GPBExtensionRange *)ranges
+ rangeCount:(NSUInteger)rangeCount
+ storageSize:(size_t)storageSize
+ wireFormat:(BOOL)wireFormat
+ extraTextFormatInfo:(const char *)extraTextFormatInfo;
+
+- (instancetype)initWithClass:(Class)messageClass
+ file:(GPBFileDescriptor *)file
+ fields:(NSArray *)fields
+ oneofs:(NSArray *)oneofs
+ enums:(NSArray *)enums
+ extensions:(NSArray *)extensions
+ extensionRanges:(const GPBExtensionRange *)ranges
+ extensionRangesCount:(NSUInteger)rangeCount
+ storageSize:(size_t)storage
+ wireFormat:(BOOL)wireFormat;
+
+@end
+
+@interface GPBFileDescriptor ()
+- (instancetype)initWithPackage:(NSString *)package
+ syntax:(GPBFileSyntax)syntax;
+@end
+
+@interface GPBOneofDescriptor () {
+ @package
+ GPBMessageOneofDescription *oneofDescription_;
+ NSArray *fields_;
+
+ SEL caseSel_;
+}
+- (instancetype)initWithOneofDescription:
+ (GPBMessageOneofDescription *)oneofDescription
+ fields:(NSArray *)fields;
+@end
+
+@interface GPBFieldDescriptor () {
+ @package
+ GPBMessageFieldDescription *description_;
+ GPB_UNSAFE_UNRETAINED GPBOneofDescriptor *containingOneof_;
+
+ SEL getSel_;
+ SEL setSel_;
+ SEL hasSel_;
+ SEL setHasSel_;
+}
+
+// Single initializer
+// description has to be long lived, it is held as a raw pointer.
+- (instancetype)initWithFieldDescription:
+ (GPBMessageFieldDescription *)description
+ rootClass:(Class)rootClass
+ syntax:(GPBFileSyntax)syntax;
+@end
+
+@interface GPBEnumDescriptor ()
+// valueDescriptions and extraTextFormatInfo have to be long lived, they are
+// held as raw pointers.
++ (instancetype)
+ allocDescriptorForName:(NSString *)name
+ values:(GPBMessageEnumValueDescription *)valueDescriptions
+ valueCount:(NSUInteger)valueCount
+ enumVerifier:(GPBEnumValidationFunc)enumVerifier;
++ (instancetype)
+ allocDescriptorForName:(NSString *)name
+ values:(GPBMessageEnumValueDescription *)valueDescriptions
+ valueCount:(NSUInteger)valueCount
+ enumVerifier:(GPBEnumValidationFunc)enumVerifier
+ extraTextFormatInfo:(const char *)extraTextFormatInfo;
+
+- (instancetype)initWithName:(NSString *)name
+ values:(GPBMessageEnumValueDescription *)valueDescriptions
+ valueCount:(NSUInteger)valueCount
+ enumVerifier:(GPBEnumValidationFunc)enumVerifier;
+@end
+
+@interface GPBExtensionDescriptor () {
+ @package
+ GPBExtensionDescription *description_;
+}
+
+// description has to be long lived, it is held as a raw pointer.
+- (instancetype)initWithExtensionDescription:
+ (GPBExtensionDescription *)description;
+@end
+
+CF_EXTERN_C_BEGIN
+
+GPB_INLINE BOOL GPBFieldIsMapOrArray(GPBFieldDescriptor *field) {
+ return (field->description_->flags &
+ (GPBFieldRepeated | GPBFieldMapKeyMask)) != 0;
+}
+
+GPB_INLINE GPBType GPBGetFieldType(GPBFieldDescriptor *field) {
+ return field->description_->type;
+}
+
+GPB_INLINE int32_t GPBFieldHasIndex(GPBFieldDescriptor *field) {
+ return field->description_->hasIndex;
+}
+
+GPB_INLINE uint32_t GPBFieldNumber(GPBFieldDescriptor *field) {
+ return field->description_->number;
+}
+
+uint32_t GPBFieldTag(GPBFieldDescriptor *self);
+
+GPB_INLINE BOOL GPBPreserveUnknownFields(GPBFileSyntax syntax) {
+ return syntax != GPBFileSyntaxProto3;
+}
+
+GPB_INLINE BOOL GPBHasPreservingUnknownEnumSemantics(GPBFileSyntax syntax) {
+ return syntax == GPBFileSyntaxProto3;
+}
+
+CF_EXTERN_C_END
