1fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Protocol Buffers - Google's data interchange format 2fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Copyright 2008 Google Inc. All rights reserved. 3fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// http://code.google.com/p/protobuf/ 4fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 5fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Redistribution and use in source and binary forms, with or without 6fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// modification, are permitted provided that the following conditions are 7fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// met: 8fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 9fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions of source code must retain the above copyright 10fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// notice, this list of conditions and the following disclaimer. 11fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Redistributions in binary form must reproduce the above 12fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// copyright notice, this list of conditions and the following disclaimer 13fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// in the documentation and/or other materials provided with the 14fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// distribution. 15fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// * Neither the name of Google Inc. nor the names of its 16fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// contributors may be used to endorse or promote products derived from 17fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// this software without specific prior written permission. 18fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// 19fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 31fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Author: kenton@google.com (Kenton Varda) 32fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Based on original Protocol Buffers design by 33fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville// Sanjay Ghemawat, Jeff Dean, and others. 34fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 35fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/compiler/java/java_extension.h> 36fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/compiler/java/java_helpers.h> 37fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/stubs/strutil.h> 38fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville#include <google/protobuf/io/printer.h> 39fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 40fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace google { 41fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace protobuf { 42fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace compiler { 43fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace java { 44fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 45fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillenamespace { 46fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 47fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savilleconst char* TypeName(FieldDescriptor::Type field_type) { 48fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville switch (field_type) { 49fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_INT32 : return "INT32"; 50fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_UINT32 : return "UINT32"; 51fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_SINT32 : return "SINT32"; 52fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_FIXED32 : return "FIXED32"; 53fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_SFIXED32: return "SFIXED32"; 54fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_INT64 : return "INT64"; 55fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_UINT64 : return "UINT64"; 56fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_SINT64 : return "SINT64"; 57fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_FIXED64 : return "FIXED64"; 58fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_SFIXED64: return "SFIXED64"; 59fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_FLOAT : return "FLOAT"; 60fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_DOUBLE : return "DOUBLE"; 61fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_BOOL : return "BOOL"; 62fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_STRING : return "STRING"; 63fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_BYTES : return "BYTES"; 64fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_ENUM : return "ENUM"; 65fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_GROUP : return "GROUP"; 66fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case FieldDescriptor::TYPE_MESSAGE : return "MESSAGE"; 67fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 68fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // No default because we want the compiler to complain if any new 69fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville // types are added. 70fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 71fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 72fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville GOOGLE_LOG(FATAL) << "Can't get here."; 73fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville return NULL; 74fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 75fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 76fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 77fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 78fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleExtensionGenerator::ExtensionGenerator(const FieldDescriptor* descriptor) 79fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville : descriptor_(descriptor) { 80fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (descriptor_->extension_scope() != NULL) { 81fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville scope_ = ClassName(descriptor_->extension_scope()); 82fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { 83fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville scope_ = ClassName(descriptor_->file()); 84fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 85fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 86fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 87fbaaef999ba563838ebd00874ed8a1c01fbf286dWink SavilleExtensionGenerator::~ExtensionGenerator() {} 88fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 89fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid ExtensionGenerator::Generate(io::Printer* printer) { 90fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville map<string, string> vars; 91fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["name"] = UnderscoresToCamelCase(descriptor_); 92fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["containing_type"] = ClassName(descriptor_->containing_type()); 93fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["number"] = SimpleItoa(descriptor_->number()); 94fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["constant_name"] = FieldConstantName(descriptor_); 95fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["lite"] = HasDescriptorMethods(descriptor_->file()) ? "" : "Lite"; 96fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 97fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville JavaType java_type = GetJavaType(descriptor_); 98fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville string singular_type; 99fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville switch (java_type) { 100fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case JAVATYPE_MESSAGE: 101fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["type"] = ClassName(descriptor_->message_type()); 102fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville break; 103fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case JAVATYPE_ENUM: 104fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["type"] = ClassName(descriptor_->enum_type()); 105fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville break; 106fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville default: 107fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["type"] = BoxedPrimitiveTypeName(java_type); 108fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville break; 109fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 110fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 111fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printer->Print(vars, 112fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville "public static final int $constant_name$ = $number$;\n"); 113fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (descriptor_->is_repeated()) { 114fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printer->Print(vars, 115d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville "public static final\n" 116fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville " com.google.protobuf.GeneratedMessage$lite$.GeneratedExtension<\n" 117fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville " $containing_type$,\n" 118d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " java.util.List<$type$>> $name$ =\n" 119d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " com.google.protobuf.GeneratedMessage$lite$\n" 120d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " .newGeneratedExtension();\n"); 121fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { 122fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printer->Print(vars, 123d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville "public static final\n" 124fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville " com.google.protobuf.GeneratedMessage$lite$.GeneratedExtension<\n" 125fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville " $containing_type$,\n" 126d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $type$> $name$ =\n" 127d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " com.google.protobuf.GeneratedMessage$lite$\n" 128d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " .newGeneratedExtension();\n"); 129fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 130fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 131fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 132fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid ExtensionGenerator::GenerateInitializationCode(io::Printer* printer) { 133fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville map<string, string> vars; 134fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["name"] = UnderscoresToCamelCase(descriptor_); 135fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["scope"] = scope_; 136fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["index"] = SimpleItoa(descriptor_->index()); 137fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["extendee"] = ClassName(descriptor_->containing_type()); 138fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["default"] = descriptor_->is_repeated() ? "" : DefaultValue(descriptor_); 139fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["number"] = SimpleItoa(descriptor_->number()); 140d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville vars["type_constant"] = TypeName(GetType(descriptor_)); 141fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["packed"] = descriptor_->options().packed() ? "true" : "false"; 142fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["enum_map"] = "null"; 143fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["prototype"] = "null"; 144fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 145fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville JavaType java_type = GetJavaType(descriptor_); 146fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville string singular_type; 147fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville switch (java_type) { 148fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case JAVATYPE_MESSAGE: 149fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["type"] = ClassName(descriptor_->message_type()); 150fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["prototype"] = ClassName(descriptor_->message_type()) + 151fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ".getDefaultInstance()"; 152fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville break; 153fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville case JAVATYPE_ENUM: 154fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["type"] = ClassName(descriptor_->enum_type()); 155fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["enum_map"] = ClassName(descriptor_->enum_type()) + 156fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville ".internalGetValueMap()"; 157fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville break; 158fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville default: 159fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville vars["type"] = BoxedPrimitiveTypeName(java_type); 160fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville break; 161fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 162fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 163fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (HasDescriptorMethods(descriptor_->file())) { 164d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville printer->Print(vars, 165d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville "$scope$.$name$.internalInit(\n" 166d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $scope$.getDescriptor().getExtensions().get($index$),\n" 167d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $type$.class);\n"); 168fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { 169fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville if (descriptor_->is_repeated()) { 170fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printer->Print(vars, 171d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville "$scope$.$name$.internalInitRepeated(\n" 172d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $extendee$.getDefaultInstance(),\n" 173d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $prototype$,\n" 174d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $enum_map$,\n" 175d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $number$,\n" 176d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " com.google.protobuf.WireFormat.FieldType.$type_constant$,\n" 177d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $packed$);\n"); 178fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } else { 179fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printer->Print(vars, 180d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville "$scope$.$name$.internalInitSingular(\n" 181d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $extendee$.getDefaultInstance(),\n" 182d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $default$,\n" 183d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $prototype$,\n" 184d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $enum_map$,\n" 185d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " $number$,\n" 186d0332953cda33fb4f8e24ebff9c49159b69c43d6Wink Saville " com.google.protobuf.WireFormat.FieldType.$type_constant$);\n"); 187fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 188fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville } 189fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 190fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 191fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Savillevoid ExtensionGenerator::GenerateRegistrationCode(io::Printer* printer) { 192fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville printer->Print( 193fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville "registry.add($scope$.$name$);\n", 194fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville "scope", scope_, 195fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville "name", UnderscoresToCamelCase(descriptor_)); 196fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} 197fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville 198fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace java 199fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace compiler 200fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace protobuf 201fbaaef999ba563838ebd00874ed8a1c01fbf286dWink Saville} // namespace google 202