third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/compiler/java/java_message_builder.cc

 // 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.
@@ skipping 76 matching lines @@
 }
 
 MessageBuilderGenerator::~MessageBuilderGenerator() {}
 
 void MessageBuilderGenerator::
 Generate(io::Printer* printer) {
   WriteMessageDocComment(printer, descriptor_);
   if (descriptor_->extension_range_count() > 0) {
     printer->Print(
       "public static final class Builder extends\n"
-      "    com.google.protobuf.GeneratedMessage.ExtendableBuilder<\n"
+      "    com.google.protobuf.GeneratedMessage$ver$.ExtendableBuilder<\n"
       "      $classname$, Builder> implements\n"
       "    $extra_interfaces$\n"
       "    $classname$OrBuilder {\n",
       "classname", name_resolver_->GetImmutableClassName(descriptor_),
-      "extra_interfaces", ExtraBuilderInterfaces(descriptor_));
+      "extra_interfaces", ExtraBuilderInterfaces(descriptor_),
+      "ver", GeneratedCodeVersionSuffix());
   } else {
     printer->Print(
       "public static final class Builder extends\n"
-      "    com.google.protobuf.GeneratedMessage.Builder<Builder> implements\n"
+      "    com.google.protobuf.GeneratedMessage$ver$.Builder<Builder> implements\n"
       "    $extra_interfaces$\n"
       "    $classname$OrBuilder {\n",
       "classname", name_resolver_->GetImmutableClassName(descriptor_),
-      "extra_interfaces", ExtraBuilderInterfaces(descriptor_));
+      "extra_interfaces", ExtraBuilderInterfaces(descriptor_),
+      "ver", GeneratedCodeVersionSuffix());
   }
   printer->Indent();
 
   GenerateDescriptorMethods(printer);
   GenerateCommonBuilderMethods(printer);
 
   if (context_->HasGeneratedMethods(descriptor_)) {
     GenerateIsInitialized(printer);
     GenerateBuilderParsingMethods(printer);
   }
 
   // oneof
-  map<string, string> vars;
+  std::map<string, string> vars;
   for (int i = 0; i < descriptor_->oneof_decl_count(); i++) {
     vars["oneof_name"] = context_->GetOneofGeneratorInfo(
         descriptor_->oneof_decl(i))->name;
     vars["oneof_capitalized_name"] = context_->GetOneofGeneratorInfo(
         descriptor_->oneof_decl(i))->capitalized_name;
     vars["oneof_index"] = SimpleItoa(descriptor_->oneof_decl(i)->index());
     // oneofCase_ and oneof_
     printer->Print(vars,
       "private int $oneof_name$Case_ = 0;\n"
       "private java.lang.Object $oneof_name$_;\n");
@@ skipping 40 matching lines @@
       "public final Builder setUnknownFields(\n"
       "    final com.google.protobuf.UnknownFieldSet unknownFields) {\n"
       "  return this;\n"
       "}\n"
       "\n"
       "public final Builder mergeUnknownFields(\n"
       "    final com.google.protobuf.UnknownFieldSet unknownFields) {\n"
       "  return this;\n"
       "}\n"
       "\n");
+  } else {
+    // Override methods declared in GeneratedMessage to return the concrete
+    // generated type so callsites won't depend on GeneratedMessage. This
+    // is needed to keep binary compatibility when we change generated code
+    // to subclass a different GeneratedMessage class (e.g., in v3.0.0 release
+    // we changed all generated code to subclass GeneratedMessageV3).
+    printer->Print(
+      "public final Builder setUnknownFields(\n"
+      "    final com.google.protobuf.UnknownFieldSet unknownFields) {\n"
+      "  return super.setUnknownFields(unknownFields);\n"
+      "}\n"
+      "\n"
+      "public final Builder mergeUnknownFields(\n"
+      "    final com.google.protobuf.UnknownFieldSet unknownFields) {\n"
+      "  return super.mergeUnknownFields(unknownFields);\n"
+      "}\n"
+      "\n");
   }
 
   printer->Print(
     "\n"
     "// @@protoc_insertion_point(builder_scope:$full_name$)\n",
     "full_name", descriptor_->full_name());
 
   printer->Outdent();
   printer->Print("}\n");
 }
 
 // ===================================================================
 
 void MessageBuilderGenerator::
 GenerateDescriptorMethods(io::Printer* printer) {
   if (!descriptor_->options().no_standard_descriptor_accessor()) {
     printer->Print(
       "public static final com.google.protobuf.Descriptors.Descriptor\n"
       "    getDescriptor() {\n"
       "  return $fileclass$.internal_$identifier$_descriptor;\n"
       "}\n"
       "\n",
       "fileclass", name_resolver_->GetImmutableClassName(descriptor_->file()),
       "identifier", UniqueFileScopeIdentifier(descriptor_));
   }
-  vector<const FieldDescriptor*> map_fields;
+  std::vector<const FieldDescriptor*> map_fields;
   for (int i = 0; i < descriptor_->field_count(); i++) {
     const FieldDescriptor* field = descriptor_->field(i);
     if (GetJavaType(field) == JAVATYPE_MESSAGE &&
         IsMapEntry(field->message_type())) {
       map_fields.push_back(field);
     }
   }
   if (!map_fields.empty()) {
     printer->Print(
       "@SuppressWarnings({\"rawtypes\"})\n"
@@ skipping 41 matching lines @@
         "default:\n"
         "  throw new RuntimeException(\n"
         "      \"Invalid map field number: \" + number);\n");
     printer->Outdent();
     printer->Outdent();
     printer->Print(
         "  }\n"
         "}\n");
   }
   printer->Print(
-    "protected com.google.protobuf.GeneratedMessage.FieldAccessorTable\n"
+    "protected com.google.protobuf.GeneratedMessage$ver$.FieldAccessorTable\n"
     "    internalGetFieldAccessorTable() {\n"
     "  return $fileclass$.internal_$identifier$_fieldAccessorTable\n"
     "      .ensureFieldAccessorsInitialized(\n"
     "          $classname$.class, $classname$.Builder.class);\n"
     "}\n"
     "\n",
     "classname", name_resolver_->GetImmutableClassName(descriptor_),
     "fileclass", name_resolver_->GetImmutableClassName(descriptor_->file()),
-    "identifier", UniqueFileScopeIdentifier(descriptor_));
+    "identifier", UniqueFileScopeIdentifier(descriptor_),
+    "ver", GeneratedCodeVersionSuffix());
 }
 
 // ===================================================================
 
 void MessageBuilderGenerator::
 GenerateCommonBuilderMethods(io::Printer* printer) {
   printer->Print(
       "// Construct using $classname$.newBuilder()\n"
       "private Builder() {\n"
       "  maybeForceBuilderInitialization();\n"
       "}\n"
       "\n",
       "classname", name_resolver_->GetImmutableClassName(descriptor_));
 
   printer->Print(
     "private Builder(\n"
-    "    com.google.protobuf.GeneratedMessage.BuilderParent parent) {\n"
+    "    com.google.protobuf.GeneratedMessage$ver$.BuilderParent parent) {\n"
     "  super(parent);\n"
     "  maybeForceBuilderInitialization();\n"
     "}\n",
-    "classname", name_resolver_->GetImmutableClassName(descriptor_));
+    "classname", name_resolver_->GetImmutableClassName(descriptor_),
+    "ver", GeneratedCodeVersionSuffix());
 
   printer->Print(
     "private void maybeForceBuilderInitialization() {\n"
-    "  if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {\n");
+    "  if (com.google.protobuf.GeneratedMessage$ver$\n"
+    "          .alwaysUseFieldBuilders) {\n",
+    "ver", GeneratedCodeVersionSuffix());
 
   printer->Indent();
   printer->Indent();
   for (int i = 0; i < descriptor_->field_count(); i++) {
     if (!descriptor_->field(i)->containing_oneof()) {
       field_generators_.get(descriptor_->field(i))
           .GenerateFieldBuilderInitializationCode(printer);
     }
   }
   printer->Outdent();
@@ skipping 115 matching lines @@
 
   printer->Print(
     "  onBuilt();\n");
 
   printer->Print(
     "  return result;\n"
     "}\n"
     "\n",
     "classname", name_resolver_->GetImmutableClassName(descriptor_));
 
+  // Override methods declared in GeneratedMessage to return the concrete
+  // generated type so callsites won't depend on GeneratedMessage. This
+  // is needed to keep binary compatibility when we change generated code
+  // to subclass a different GeneratedMessage class (e.g., in v3.0.0 release
+  // we changed all generated code to subclass GeneratedMessageV3).
+  printer->Print(
+    "public Builder clone() {\n"
+    "  return (Builder) super.clone();\n"
+    "}\n"
+    "public Builder setField(\n"
+    "    com.google.protobuf.Descriptors.FieldDescriptor field,\n"
+    "    Object value) {\n"
+    "  return (Builder) super.setField(field, value);\n"
+    "}\n"
+    "public Builder clearField(\n"
+    "    com.google.protobuf.Descriptors.FieldDescriptor field) {\n"
+    "  return (Builder) super.clearField(field);\n"
+    "}\n"
+    "public Builder clearOneof(\n"
+    "    com.google.protobuf.Descriptors.OneofDescriptor oneof) {\n"
+    "  return (Builder) super.clearOneof(oneof);\n"
+    "}\n"
+    "public Builder setRepeatedField(\n"
+    "    com.google.protobuf.Descriptors.FieldDescriptor field,\n"
+    "    int index, Object value) {\n"
+    "  return (Builder) super.setRepeatedField(field, index, value);\n"
+    "}\n"
+    "public Builder addRepeatedField(\n"
+    "    com.google.protobuf.Descriptors.FieldDescriptor field,\n"
+    "    Object value) {\n"
+    "  return (Builder) super.addRepeatedField(field, value);\n"
+    "}\n");
+
+  if (descriptor_->extension_range_count() > 0) {
+    printer->Print(
+      "public <Type> Builder setExtension(\n"
+      "    com.google.protobuf.GeneratedMessage.GeneratedExtension<\n"
+      "        $classname$, Type> extension,\n"
+      "    Type value) {\n"
+      "  return (Builder) super.setExtension(extension, value);\n"
+      "}\n"
+      "public <Type> Builder setExtension(\n"
+      "    com.google.protobuf.GeneratedMessage.GeneratedExtension<\n"
+      "        $classname$, java.util.List<Type>> extension,\n"
+      "    int index, Type value) {\n"
+      "  return (Builder) super.setExtension(extension, index, value);\n"
+      "}\n"
+      "public <Type> Builder addExtension(\n"
+      "    com.google.protobuf.GeneratedMessage.GeneratedExtension<\n"
+      "        $classname$, java.util.List<Type>> extension,\n"
+      "    Type value) {\n"
+      "  return (Builder) super.addExtension(extension, value);\n"
+      "}\n"
+      "public <Type> Builder clearExtension(\n"
+      "    com.google.protobuf.GeneratedMessage.GeneratedExtension<\n"
+      "        $classname$, ?> extension) {\n"
+      "  return (Builder) super.clearExtension(extension);\n"
+      "}\n",
+      "classname", name_resolver_->GetImmutableClassName(descriptor_));
+  }
+
   // -----------------------------------------------------------------
 
   if (context_->HasGeneratedMethods(descriptor_)) {
     printer->Print(
       "public Builder mergeFrom(com.google.protobuf.Message other) {\n"
       "  if (other instanceof $classname$) {\n"
       "    return mergeFrom(($classname$)other);\n"
       "  } else {\n"
       "    super.mergeFrom(other);\n"
       "    return this;\n"
@@ skipping 157 matching lines @@
           printer->Print(
             "  if (!get$name$().isInitialized()) {\n"
             "    return false;\n"
             "  }\n"
             "}\n",
             "name", info->capitalized_name);
           break;
         case FieldDescriptor::LABEL_REPEATED:
           if (IsMapEntry(field->message_type())) {
             printer->Print(
-              "for ($type$ item : get$name$().values()) {\n"
+              "for ($type$ item : get$name$Map().values()) {\n"
               "  if (!item.isInitialized()) {\n"
               "    return false;\n"
               "  }\n"
               "}\n",
               "type", MapValueImmutableClassdName(field->message_type(),
                                                   name_resolver_),
               "name", info->capitalized_name);
           } else {
             printer->Print(
               "for (int i = 0; i < get$name$Count(); i++) {\n"
@@ skipping 24 matching lines @@
     "}\n"
     "\n");
 }
 
 // ===================================================================
 
 }  // namespace java
 }  // namespace compiler
 }  // namespace protobuf
 }  // namespace google