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Unified Diff: third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc

Issue 1842653006: Update //third_party/protobuf to version 3. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: update sync unittest and README.chromium Created 4 years, 8 months ago
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Index: third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc b/third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc
deleted file mode 100644
index 9322e242badaff23d4f8cb0ba192e08e4514fdef..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc
+++ /dev/null
@@ -1,1435 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc. All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// 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.
-
-// Author: kenton@google.com (Kenton Varda)
-// Based on original Protocol Buffers design by
-// Sanjay Ghemawat, Jeff Dean, and others.
-
-#include <google/protobuf/compiler/java/java_message.h>
-
-#include <algorithm>
-#include <google/protobuf/stubs/hash.h>
-#include <map>
-#include <vector>
-
-#include <google/protobuf/compiler/java/java_doc_comment.h>
-#include <google/protobuf/compiler/java/java_enum.h>
-#include <google/protobuf/compiler/java/java_extension.h>
-#include <google/protobuf/compiler/java/java_helpers.h>
-#include <google/protobuf/io/coded_stream.h>
-#include <google/protobuf/io/printer.h>
-#include <google/protobuf/descriptor.pb.h>
-#include <google/protobuf/wire_format.h>
-#include <google/protobuf/stubs/strutil.h>
-#include <google/protobuf/stubs/substitute.h>
-
-namespace google {
-namespace protobuf {
-namespace compiler {
-namespace java {
-
-using internal::WireFormat;
-using internal::WireFormatLite;
-
-namespace {
-
-void PrintFieldComment(io::Printer* printer, const FieldDescriptor* field) {
- // Print the field's proto-syntax definition as a comment. We don't want to
- // print group bodies so we cut off after the first line.
- string def = field->DebugString();
- printer->Print("// $def$\n",
- "def", def.substr(0, def.find_first_of('\n')));
-}
-
-struct FieldOrderingByNumber {
- inline bool operator()(const FieldDescriptor* a,
- const FieldDescriptor* b) const {
- return a->number() < b->number();
- }
-};
-
-struct ExtensionRangeOrdering {
- bool operator()(const Descriptor::ExtensionRange* a,
- const Descriptor::ExtensionRange* b) const {
- return a->start < b->start;
- }
-};
-
-// Sort the fields of the given Descriptor by number into a new[]'d array
-// and return it.
-const FieldDescriptor** SortFieldsByNumber(const Descriptor* descriptor) {
- const FieldDescriptor** fields =
- new const FieldDescriptor*[descriptor->field_count()];
- for (int i = 0; i < descriptor->field_count(); i++) {
- fields[i] = descriptor->field(i);
- }
- sort(fields, fields + descriptor->field_count(),
- FieldOrderingByNumber());
- return fields;
-}
-
-// Get an identifier that uniquely identifies this type within the file.
-// This is used to declare static variables related to this type at the
-// outermost file scope.
-string UniqueFileScopeIdentifier(const Descriptor* descriptor) {
- return "static_" + StringReplace(descriptor->full_name(), ".", "_", true);
-}
-
-// Returns true if the message type has any required fields. If it doesn't,
-// we can optimize out calls to its isInitialized() method.
-//
-// already_seen is used to avoid checking the same type multiple times
-// (and also to protect against recursion).
-static bool HasRequiredFields(
- const Descriptor* type,
- hash_set<const Descriptor*>* already_seen) {
- if (already_seen->count(type) > 0) {
- // The type is already in cache. This means that either:
- // a. The type has no required fields.
- // b. We are in the midst of checking if the type has required fields,
- // somewhere up the stack. In this case, we know that if the type
- // has any required fields, they'll be found when we return to it,
- // and the whole call to HasRequiredFields() will return true.
- // Therefore, we don't have to check if this type has required fields
- // here.
- return false;
- }
- already_seen->insert(type);
-
- // If the type has extensions, an extension with message type could contain
- // required fields, so we have to be conservative and assume such an
- // extension exists.
- if (type->extension_range_count() > 0) return true;
-
- for (int i = 0; i < type->field_count(); i++) {
- const FieldDescriptor* field = type->field(i);
- if (field->is_required()) {
- return true;
- }
- if (GetJavaType(field) == JAVATYPE_MESSAGE) {
- if (HasRequiredFields(field->message_type(), already_seen)) {
- return true;
- }
- }
- }
-
- return false;
-}
-
-static bool HasRequiredFields(const Descriptor* type) {
- hash_set<const Descriptor*> already_seen;
- return HasRequiredFields(type, &already_seen);
-}
-
-} // namespace
-
-// ===================================================================
-
-MessageGenerator::MessageGenerator(const Descriptor* descriptor)
- : descriptor_(descriptor),
- field_generators_(descriptor) {
-}
-
-MessageGenerator::~MessageGenerator() {}
-
-void MessageGenerator::GenerateStaticVariables(io::Printer* printer) {
- if (HasDescriptorMethods(descriptor_)) {
- // Because descriptor.proto (com.google.protobuf.DescriptorProtos) is
- // used in the construction of descriptors, we have a tricky bootstrapping
- // problem. To help control static initialization order, we make sure all
- // descriptors and other static data that depends on them are members of
- // the outermost class in the file. This way, they will be initialized in
- // a deterministic order.
-
- map<string, string> vars;
- vars["identifier"] = UniqueFileScopeIdentifier(descriptor_);
- vars["index"] = SimpleItoa(descriptor_->index());
- vars["classname"] = ClassName(descriptor_);
- if (descriptor_->containing_type() != NULL) {
- vars["parent"] = UniqueFileScopeIdentifier(
- descriptor_->containing_type());
- }
- if (descriptor_->file()->options().java_multiple_files()) {
- // We can only make these package-private since the classes that use them
- // are in separate files.
- vars["private"] = "";
- } else {
- vars["private"] = "private ";
- }
-
- // The descriptor for this type.
- printer->Print(vars,
- "$private$static com.google.protobuf.Descriptors.Descriptor\n"
- " internal_$identifier$_descriptor;\n");
-
- // And the FieldAccessorTable.
- printer->Print(vars,
- "$private$static\n"
- " com.google.protobuf.GeneratedMessage.FieldAccessorTable\n"
- " internal_$identifier$_fieldAccessorTable;\n");
- }
-
- // Generate static members for all nested types.
- for (int i = 0; i < descriptor_->nested_type_count(); i++) {
- // TODO(kenton): Reuse MessageGenerator objects?
- MessageGenerator(descriptor_->nested_type(i))
- .GenerateStaticVariables(printer);
- }
-}
-
-void MessageGenerator::GenerateStaticVariableInitializers(
- io::Printer* printer) {
- if (HasDescriptorMethods(descriptor_)) {
- map<string, string> vars;
- vars["identifier"] = UniqueFileScopeIdentifier(descriptor_);
- vars["index"] = SimpleItoa(descriptor_->index());
- vars["classname"] = ClassName(descriptor_);
- if (descriptor_->containing_type() != NULL) {
- vars["parent"] = UniqueFileScopeIdentifier(
- descriptor_->containing_type());
- }
-
- // The descriptor for this type.
- if (descriptor_->containing_type() == NULL) {
- printer->Print(vars,
- "internal_$identifier$_descriptor =\n"
- " getDescriptor().getMessageTypes().get($index$);\n");
- } else {
- printer->Print(vars,
- "internal_$identifier$_descriptor =\n"
- " internal_$parent$_descriptor.getNestedTypes().get($index$);\n");
- }
-
- // And the FieldAccessorTable.
- printer->Print(vars,
- "internal_$identifier$_fieldAccessorTable = new\n"
- " com.google.protobuf.GeneratedMessage.FieldAccessorTable(\n"
- " internal_$identifier$_descriptor,\n"
- " new java.lang.String[] { ");
- for (int i = 0; i < descriptor_->field_count(); i++) {
- printer->Print(
- "\"$field_name$\", ",
- "field_name",
- UnderscoresToCapitalizedCamelCase(descriptor_->field(i)));
- }
- printer->Print(
- "});\n");
- }
-
- // Generate static member initializers for all nested types.
- for (int i = 0; i < descriptor_->nested_type_count(); i++) {
- // TODO(kenton): Reuse MessageGenerator objects?
- MessageGenerator(descriptor_->nested_type(i))
- .GenerateStaticVariableInitializers(printer);
- }
-}
-
-// ===================================================================
-
-void MessageGenerator::GenerateInterface(io::Printer* printer) {
- if (descriptor_->extension_range_count() > 0) {
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "public interface $classname$OrBuilder extends\n"
- " com.google.protobuf.GeneratedMessage.\n"
- " ExtendableMessageOrBuilder<$classname$> {\n",
- "classname", descriptor_->name());
- } else {
- printer->Print(
- "public interface $classname$OrBuilder extends \n"
- " com.google.protobuf.GeneratedMessageLite.\n"
- " ExtendableMessageOrBuilder<$classname$> {\n",
- "classname", descriptor_->name());
- }
- } else {
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "public interface $classname$OrBuilder\n"
- " extends com.google.protobuf.MessageOrBuilder {\n",
- "classname", descriptor_->name());
- } else {
- printer->Print(
- "public interface $classname$OrBuilder\n"
- " extends com.google.protobuf.MessageLiteOrBuilder {\n",
- "classname", descriptor_->name());
- }
- }
-
- printer->Indent();
- for (int i = 0; i < descriptor_->field_count(); i++) {
- printer->Print("\n");
- PrintFieldComment(printer, descriptor_->field(i));
- field_generators_.get(descriptor_->field(i))
- .GenerateInterfaceMembers(printer);
- }
- printer->Outdent();
-
- printer->Print("}\n");
-}
-
-// ===================================================================
-
-void MessageGenerator::Generate(io::Printer* printer) {
- bool is_own_file =
- descriptor_->containing_type() == NULL &&
- descriptor_->file()->options().java_multiple_files();
-
- WriteMessageDocComment(printer, descriptor_);
-
- // The builder_type stores the super type name of the nested Builder class.
- string builder_type;
- if (descriptor_->extension_range_count() > 0) {
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "public $static$ final class $classname$ extends\n"
- " com.google.protobuf.GeneratedMessage.ExtendableMessage<\n"
- " $classname$> implements $classname$OrBuilder {\n",
- "static", is_own_file ? "" : "static",
- "classname", descriptor_->name());
- builder_type = strings::Substitute(
- "com.google.protobuf.GeneratedMessage.ExtendableBuilder<$0, ?>",
- ClassName(descriptor_));
- } else {
- printer->Print(
- "public $static$ final class $classname$ extends\n"
- " com.google.protobuf.GeneratedMessageLite.ExtendableMessage<\n"
- " $classname$> implements $classname$OrBuilder {\n",
- "static", is_own_file ? "" : "static",
- "classname", descriptor_->name());
- builder_type = strings::Substitute(
- "com.google.protobuf.GeneratedMessageLite.ExtendableBuilder<$0, ?>",
- ClassName(descriptor_));
- }
- } else {
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "public $static$ final class $classname$ extends\n"
- " com.google.protobuf.GeneratedMessage\n"
- " implements $classname$OrBuilder {\n",
- "static", is_own_file ? "" : "static",
- "classname", descriptor_->name());
- builder_type = "com.google.protobuf.GeneratedMessage.Builder<?>";
- } else {
- printer->Print(
- "public $static$ final class $classname$ extends\n"
- " com.google.protobuf.GeneratedMessageLite\n"
- " implements $classname$OrBuilder {\n",
- "static", is_own_file ? "" : "static",
- "classname", descriptor_->name());
- builder_type = "com.google.protobuf.GeneratedMessageLite.Builder";
- }
- }
- printer->Indent();
- // Using builder_type, instead of Builder, prevents the Builder class from
- // being loaded into PermGen space when the default instance is created.
- // This optimizes the PermGen space usage for clients that do not modify
- // messages.
- printer->Print(
- "// Use $classname$.newBuilder() to construct.\n"
- "private $classname$($buildertype$ builder) {\n"
- " super(builder);\n"
- "$set_unknown_fields$\n"
- "}\n",
- "classname", descriptor_->name(),
- "buildertype", builder_type,
- "set_unknown_fields", HasUnknownFields(descriptor_)
- ? " this.unknownFields = builder.getUnknownFields();" : "");
- printer->Print(
- // Used when constructing the default instance, which cannot be initialized
- // immediately because it may cyclically refer to other default instances.
- "private $classname$(boolean noInit) {$set_default_unknown_fields$}\n"
- "\n"
- "private static final $classname$ defaultInstance;\n"
- "public static $classname$ getDefaultInstance() {\n"
- " return defaultInstance;\n"
- "}\n"
- "\n"
- "public $classname$ getDefaultInstanceForType() {\n"
- " return defaultInstance;\n"
- "}\n"
- "\n",
- "classname", descriptor_->name(),
- "set_default_unknown_fields", HasUnknownFields(descriptor_)
- ? " this.unknownFields ="
- " com.google.protobuf.UnknownFieldSet.getDefaultInstance(); " : "");
-
- if (HasUnknownFields(descriptor_)) {
- printer->Print(
- "private final com.google.protobuf.UnknownFieldSet unknownFields;\n"
- ""
- "@java.lang.Override\n"
- "public final com.google.protobuf.UnknownFieldSet\n"
- " getUnknownFields() {\n"
- " return this.unknownFields;\n"
- "}\n");
- }
-
- if (HasGeneratedMethods(descriptor_)) {
- GenerateParsingConstructor(printer);
- }
-
- GenerateDescriptorMethods(printer);
- GenerateParser(printer);
-
- // Nested types
- for (int i = 0; i < descriptor_->enum_type_count(); i++) {
- EnumGenerator(descriptor_->enum_type(i)).Generate(printer);
- }
-
- for (int i = 0; i < descriptor_->nested_type_count(); i++) {
- MessageGenerator messageGenerator(descriptor_->nested_type(i));
- messageGenerator.GenerateInterface(printer);
- messageGenerator.Generate(printer);
- }
-
- // Integers for bit fields.
- int totalBits = 0;
- for (int i = 0; i < descriptor_->field_count(); i++) {
- totalBits += field_generators_.get(descriptor_->field(i))
- .GetNumBitsForMessage();
- }
- int totalInts = (totalBits + 31) / 32;
- for (int i = 0; i < totalInts; i++) {
- printer->Print("private int $bit_field_name$;\n",
- "bit_field_name", GetBitFieldName(i));
- }
-
- // Fields
- for (int i = 0; i < descriptor_->field_count(); i++) {
- PrintFieldComment(printer, descriptor_->field(i));
- printer->Print("public static final int $constant_name$ = $number$;\n",
- "constant_name", FieldConstantName(descriptor_->field(i)),
- "number", SimpleItoa(descriptor_->field(i)->number()));
- field_generators_.get(descriptor_->field(i)).GenerateMembers(printer);
- printer->Print("\n");
- }
-
- // Called by the constructor, except in the case of the default instance,
- // in which case this is called by static init code later on.
- printer->Print("private void initFields() {\n");
- printer->Indent();
- for (int i = 0; i < descriptor_->field_count(); i++) {
- field_generators_.get(descriptor_->field(i))
- .GenerateInitializationCode(printer);
- }
- printer->Outdent();
- printer->Print("}\n");
-
- if (HasGeneratedMethods(descriptor_)) {
- GenerateIsInitialized(printer, MEMOIZE);
- GenerateMessageSerializationMethods(printer);
- }
-
- if (HasEqualsAndHashCode(descriptor_)) {
- GenerateEqualsAndHashCode(printer);
- }
-
- GenerateParseFromMethods(printer);
- GenerateBuilder(printer);
-
- // Carefully initialize the default instance in such a way that it doesn't
- // conflict with other initialization.
- printer->Print(
- "\n"
- "static {\n"
- " defaultInstance = new $classname$(true);\n"
- " defaultInstance.initFields();\n"
- "}\n"
- "\n"
- "// @@protoc_insertion_point(class_scope:$full_name$)\n",
- "classname", descriptor_->name(),
- "full_name", descriptor_->full_name());
-
- // Extensions must be declared after the defaultInstance is initialized
- // because the defaultInstance is used by the extension to lazily retrieve
- // the outer class's FileDescriptor.
- for (int i = 0; i < descriptor_->extension_count(); i++) {
- ExtensionGenerator(descriptor_->extension(i)).Generate(printer);
- }
-
- printer->Outdent();
- printer->Print("}\n\n");
-}
-
-
-// ===================================================================
-
-void MessageGenerator::
-GenerateMessageSerializationMethods(io::Printer* printer) {
- scoped_array<const FieldDescriptor*> sorted_fields(
- SortFieldsByNumber(descriptor_));
-
- vector<const Descriptor::ExtensionRange*> sorted_extensions;
- for (int i = 0; i < descriptor_->extension_range_count(); ++i) {
- sorted_extensions.push_back(descriptor_->extension_range(i));
- }
- sort(sorted_extensions.begin(), sorted_extensions.end(),
- ExtensionRangeOrdering());
-
- printer->Print(
- "public void writeTo(com.google.protobuf.CodedOutputStream output)\n"
- " throws java.io.IOException {\n");
- printer->Indent();
- // writeTo(CodedOutputStream output) might be invoked without
- // getSerializedSize() ever being called, but we need the memoized
- // sizes in case this message has packed fields. Rather than emit checks for
- // each packed field, just call getSerializedSize() up front for all messages.
- // In most cases, getSerializedSize() will have already been called anyway by
- // one of the wrapper writeTo() methods, making this call cheap.
- printer->Print(
- "getSerializedSize();\n");
-
- if (descriptor_->extension_range_count() > 0) {
- if (descriptor_->options().message_set_wire_format()) {
- printer->Print(
- "com.google.protobuf.GeneratedMessage$lite$\n"
- " .ExtendableMessage<$classname$>.ExtensionWriter extensionWriter =\n"
- " newMessageSetExtensionWriter();\n",
- "lite", HasDescriptorMethods(descriptor_) ? "" : "Lite",
- "classname", ClassName(descriptor_));
- } else {
- printer->Print(
- "com.google.protobuf.GeneratedMessage$lite$\n"
- " .ExtendableMessage<$classname$>.ExtensionWriter extensionWriter =\n"
- " newExtensionWriter();\n",
- "lite", HasDescriptorMethods(descriptor_) ? "" : "Lite",
- "classname", ClassName(descriptor_));
- }
- }
-
- // Merge the fields and the extension ranges, both sorted by field number.
- for (int i = 0, j = 0;
- i < descriptor_->field_count() || j < sorted_extensions.size();
- ) {
- if (i == descriptor_->field_count()) {
- GenerateSerializeOneExtensionRange(printer, sorted_extensions[j++]);
- } else if (j == sorted_extensions.size()) {
- GenerateSerializeOneField(printer, sorted_fields[i++]);
- } else if (sorted_fields[i]->number() < sorted_extensions[j]->start) {
- GenerateSerializeOneField(printer, sorted_fields[i++]);
- } else {
- GenerateSerializeOneExtensionRange(printer, sorted_extensions[j++]);
- }
- }
-
- if (HasUnknownFields(descriptor_)) {
- if (descriptor_->options().message_set_wire_format()) {
- printer->Print(
- "getUnknownFields().writeAsMessageSetTo(output);\n");
- } else {
- printer->Print(
- "getUnknownFields().writeTo(output);\n");
- }
- }
-
- printer->Outdent();
- printer->Print(
- "}\n"
- "\n"
- "private int memoizedSerializedSize = -1;\n"
- "public int getSerializedSize() {\n"
- " int size = memoizedSerializedSize;\n"
- " if (size != -1) return size;\n"
- "\n"
- " size = 0;\n");
- printer->Indent();
-
- for (int i = 0; i < descriptor_->field_count(); i++) {
- field_generators_.get(sorted_fields[i]).GenerateSerializedSizeCode(printer);
- }
-
- if (descriptor_->extension_range_count() > 0) {
- if (descriptor_->options().message_set_wire_format()) {
- printer->Print(
- "size += extensionsSerializedSizeAsMessageSet();\n");
- } else {
- printer->Print(
- "size += extensionsSerializedSize();\n");
- }
- }
-
- if (HasUnknownFields(descriptor_)) {
- if (descriptor_->options().message_set_wire_format()) {
- printer->Print(
- "size += getUnknownFields().getSerializedSizeAsMessageSet();\n");
- } else {
- printer->Print(
- "size += getUnknownFields().getSerializedSize();\n");
- }
- }
-
- printer->Outdent();
- printer->Print(
- " memoizedSerializedSize = size;\n"
- " return size;\n"
- "}\n"
- "\n");
-
- printer->Print(
- "private static final long serialVersionUID = 0L;\n"
- "@java.lang.Override\n"
- "protected java.lang.Object writeReplace()\n"
- " throws java.io.ObjectStreamException {\n"
- " return super.writeReplace();\n"
- "}\n"
- "\n");
-}
-
-void MessageGenerator::
-GenerateParseFromMethods(io::Printer* printer) {
- // Note: These are separate from GenerateMessageSerializationMethods()
- // because they need to be generated even for messages that are optimized
- // for code size.
- printer->Print(
- "public static $classname$ parseFrom(\n"
- " com.google.protobuf.ByteString data)\n"
- " throws com.google.protobuf.InvalidProtocolBufferException {\n"
- " return PARSER.parseFrom(data);\n"
- "}\n"
- "public static $classname$ parseFrom(\n"
- " com.google.protobuf.ByteString data,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
- " throws com.google.protobuf.InvalidProtocolBufferException {\n"
- " return PARSER.parseFrom(data, extensionRegistry);\n"
- "}\n"
- "public static $classname$ parseFrom(byte[] data)\n"
- " throws com.google.protobuf.InvalidProtocolBufferException {\n"
- " return PARSER.parseFrom(data);\n"
- "}\n"
- "public static $classname$ parseFrom(\n"
- " byte[] data,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
- " throws com.google.protobuf.InvalidProtocolBufferException {\n"
- " return PARSER.parseFrom(data, extensionRegistry);\n"
- "}\n"
- "public static $classname$ parseFrom(java.io.InputStream input)\n"
- " throws java.io.IOException {\n"
- " return PARSER.parseFrom(input);\n"
- "}\n"
- "public static $classname$ parseFrom(\n"
- " java.io.InputStream input,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
- " throws java.io.IOException {\n"
- " return PARSER.parseFrom(input, extensionRegistry);\n"
- "}\n"
- "public static $classname$ parseDelimitedFrom(java.io.InputStream input)\n"
- " throws java.io.IOException {\n"
- " return PARSER.parseDelimitedFrom(input);\n"
- "}\n"
- "public static $classname$ parseDelimitedFrom(\n"
- " java.io.InputStream input,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
- " throws java.io.IOException {\n"
- " return PARSER.parseDelimitedFrom(input, extensionRegistry);\n"
- "}\n"
- "public static $classname$ parseFrom(\n"
- " com.google.protobuf.CodedInputStream input)\n"
- " throws java.io.IOException {\n"
- " return PARSER.parseFrom(input);\n"
- "}\n"
- "public static $classname$ parseFrom(\n"
- " com.google.protobuf.CodedInputStream input,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
- " throws java.io.IOException {\n"
- " return PARSER.parseFrom(input, extensionRegistry);\n"
- "}\n"
- "\n",
- "classname", ClassName(descriptor_));
-}
-
-void MessageGenerator::GenerateSerializeOneField(
- io::Printer* printer, const FieldDescriptor* field) {
- field_generators_.get(field).GenerateSerializationCode(printer);
-}
-
-void MessageGenerator::GenerateSerializeOneExtensionRange(
- io::Printer* printer, const Descriptor::ExtensionRange* range) {
- printer->Print(
- "extensionWriter.writeUntil($end$, output);\n",
- "end", SimpleItoa(range->end));
-}
-
-// ===================================================================
-
-void MessageGenerator::GenerateBuilder(io::Printer* printer) {
- printer->Print(
- "public static Builder newBuilder() { return Builder.create(); }\n"
- "public Builder newBuilderForType() { return newBuilder(); }\n"
- "public static Builder newBuilder($classname$ prototype) {\n"
- " return newBuilder().mergeFrom(prototype);\n"
- "}\n"
- "public Builder toBuilder() { return newBuilder(this); }\n"
- "\n",
- "classname", ClassName(descriptor_));
-
- if (HasNestedBuilders(descriptor_)) {
- printer->Print(
- "@java.lang.Override\n"
- "protected Builder newBuilderForType(\n"
- " com.google.protobuf.GeneratedMessage.BuilderParent parent) {\n"
- " Builder builder = new Builder(parent);\n"
- " return builder;\n"
- "}\n");
- }
-
- WriteMessageDocComment(printer, descriptor_);
-
- if (descriptor_->extension_range_count() > 0) {
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "public static final class Builder extends\n"
- " com.google.protobuf.GeneratedMessage.ExtendableBuilder<\n"
- " $classname$, Builder> implements $classname$OrBuilder {\n",
- "classname", ClassName(descriptor_));
- } else {
- printer->Print(
- "public static final class Builder extends\n"
- " com.google.protobuf.GeneratedMessageLite.ExtendableBuilder<\n"
- " $classname$, Builder> implements $classname$OrBuilder {\n",
- "classname", ClassName(descriptor_));
- }
- } else {
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "public static final class Builder extends\n"
- " com.google.protobuf.GeneratedMessage.Builder<Builder>\n"
- " implements $classname$OrBuilder {\n",
- "classname", ClassName(descriptor_));
- } else {
- printer->Print(
- "public static final class Builder extends\n"
- " com.google.protobuf.GeneratedMessageLite.Builder<\n"
- " $classname$, Builder>\n"
- " implements $classname$OrBuilder {\n",
- "classname", ClassName(descriptor_));
- }
- }
- printer->Indent();
-
- GenerateDescriptorMethods(printer);
- GenerateCommonBuilderMethods(printer);
-
- if (HasGeneratedMethods(descriptor_)) {
- GenerateIsInitialized(printer, DONT_MEMOIZE);
- GenerateBuilderParsingMethods(printer);
- }
-
- // Integers for bit fields.
- int totalBits = 0;
- for (int i = 0; i < descriptor_->field_count(); i++) {
- totalBits += field_generators_.get(descriptor_->field(i))
- .GetNumBitsForBuilder();
- }
- int totalInts = (totalBits + 31) / 32;
- for (int i = 0; i < totalInts; i++) {
- printer->Print("private int $bit_field_name$;\n",
- "bit_field_name", GetBitFieldName(i));
- }
-
- for (int i = 0; i < descriptor_->field_count(); i++) {
- printer->Print("\n");
- PrintFieldComment(printer, descriptor_->field(i));
- field_generators_.get(descriptor_->field(i))
- .GenerateBuilderMembers(printer);
- }
-
- printer->Print(
- "\n"
- "// @@protoc_insertion_point(builder_scope:$full_name$)\n",
- "full_name", descriptor_->full_name());
-
- printer->Outdent();
- printer->Print("}\n");
-}
-
-void MessageGenerator::GenerateDescriptorMethods(io::Printer* printer) {
- if (HasDescriptorMethods(descriptor_)) {
- 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", ClassName(descriptor_->file()),
- "identifier", UniqueFileScopeIdentifier(descriptor_));
- }
- printer->Print(
- "protected com.google.protobuf.GeneratedMessage.FieldAccessorTable\n"
- " internalGetFieldAccessorTable() {\n"
- " return $fileclass$.internal_$identifier$_fieldAccessorTable\n"
- " .ensureFieldAccessorsInitialized(\n"
- " $classname$.class, $classname$.Builder.class);\n"
- "}\n"
- "\n",
- "classname", ClassName(descriptor_),
- "fileclass", ClassName(descriptor_->file()),
- "identifier", UniqueFileScopeIdentifier(descriptor_));
- }
-}
-
-// ===================================================================
-
-void MessageGenerator::GenerateCommonBuilderMethods(io::Printer* printer) {
- printer->Print(
- "// Construct using $classname$.newBuilder()\n"
- "private Builder() {\n"
- " maybeForceBuilderInitialization();\n"
- "}\n"
- "\n",
- "classname", ClassName(descriptor_));
-
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "private Builder(\n"
- " com.google.protobuf.GeneratedMessage.BuilderParent parent) {\n"
- " super(parent);\n"
- " maybeForceBuilderInitialization();\n"
- "}\n",
- "classname", ClassName(descriptor_));
- }
-
-
- if (HasNestedBuilders(descriptor_)) {
- printer->Print(
- "private void maybeForceBuilderInitialization() {\n"
- " if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {\n");
-
- printer->Indent();
- printer->Indent();
- for (int i = 0; i < descriptor_->field_count(); i++) {
- field_generators_.get(descriptor_->field(i))
- .GenerateFieldBuilderInitializationCode(printer);
- }
- printer->Outdent();
- printer->Outdent();
-
- printer->Print(
- " }\n"
- "}\n");
- } else {
- printer->Print(
- "private void maybeForceBuilderInitialization() {\n"
- "}\n");
- }
-
- printer->Print(
- "private static Builder create() {\n"
- " return new Builder();\n"
- "}\n"
- "\n"
- "public Builder clear() {\n"
- " super.clear();\n",
- "classname", ClassName(descriptor_));
-
- printer->Indent();
-
- for (int i = 0; i < descriptor_->field_count(); i++) {
- field_generators_.get(descriptor_->field(i))
- .GenerateBuilderClearCode(printer);
- }
-
- printer->Outdent();
-
- printer->Print(
- " return this;\n"
- "}\n"
- "\n"
- "public Builder clone() {\n"
- " return create().mergeFrom(buildPartial());\n"
- "}\n"
- "\n",
- "classname", ClassName(descriptor_));
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "public com.google.protobuf.Descriptors.Descriptor\n"
- " getDescriptorForType() {\n"
- " return $fileclass$.internal_$identifier$_descriptor;\n"
- "}\n"
- "\n",
- "fileclass", ClassName(descriptor_->file()),
- "identifier", UniqueFileScopeIdentifier(descriptor_));
- }
- printer->Print(
- "public $classname$ getDefaultInstanceForType() {\n"
- " return $classname$.getDefaultInstance();\n"
- "}\n"
- "\n",
- "classname", ClassName(descriptor_));
-
- // -----------------------------------------------------------------
-
- printer->Print(
- "public $classname$ build() {\n"
- " $classname$ result = buildPartial();\n"
- " if (!result.isInitialized()) {\n"
- " throw newUninitializedMessageException(result);\n"
- " }\n"
- " return result;\n"
- "}\n"
- "\n"
- "public $classname$ buildPartial() {\n"
- " $classname$ result = new $classname$(this);\n",
- "classname", ClassName(descriptor_));
-
- printer->Indent();
-
- // Local vars for from and to bit fields to avoid accessing the builder and
- // message over and over for these fields. Seems to provide a slight
- // perforamance improvement in micro benchmark and this is also what proto1
- // code does.
- int totalBuilderBits = 0;
- int totalMessageBits = 0;
- for (int i = 0; i < descriptor_->field_count(); i++) {
- const FieldGenerator& field = field_generators_.get(descriptor_->field(i));
- totalBuilderBits += field.GetNumBitsForBuilder();
- totalMessageBits += field.GetNumBitsForMessage();
- }
- int totalBuilderInts = (totalBuilderBits + 31) / 32;
- int totalMessageInts = (totalMessageBits + 31) / 32;
- for (int i = 0; i < totalBuilderInts; i++) {
- printer->Print("int from_$bit_field_name$ = $bit_field_name$;\n",
- "bit_field_name", GetBitFieldName(i));
- }
- for (int i = 0; i < totalMessageInts; i++) {
- printer->Print("int to_$bit_field_name$ = 0;\n",
- "bit_field_name", GetBitFieldName(i));
- }
-
- // Output generation code for each field.
- for (int i = 0; i < descriptor_->field_count(); i++) {
- field_generators_.get(descriptor_->field(i)).GenerateBuildingCode(printer);
- }
-
- // Copy the bit field results to the generated message
- for (int i = 0; i < totalMessageInts; i++) {
- printer->Print("result.$bit_field_name$ = to_$bit_field_name$;\n",
- "bit_field_name", GetBitFieldName(i));
- }
-
- printer->Outdent();
-
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- " onBuilt();\n");
- }
-
- printer->Print(
- " return result;\n"
- "}\n"
- "\n",
- "classname", ClassName(descriptor_));
-
- // -----------------------------------------------------------------
-
- if (HasGeneratedMethods(descriptor_)) {
- // MergeFrom(Message other) requires the ability to distinguish the other
- // messages type by its descriptor.
- if (HasDescriptorMethods(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"
- " }\n"
- "}\n"
- "\n",
- "classname", ClassName(descriptor_));
- }
-
- printer->Print(
- "public Builder mergeFrom($classname$ other) {\n"
- // Optimization: If other is the default instance, we know none of its
- // fields are set so we can skip the merge.
- " if (other == $classname$.getDefaultInstance()) return this;\n",
- "classname", ClassName(descriptor_));
- printer->Indent();
-
- for (int i = 0; i < descriptor_->field_count(); i++) {
- field_generators_.get(descriptor_->field(i)).GenerateMergingCode(printer);
- }
-
- printer->Outdent();
-
- // if message type has extensions
- if (descriptor_->extension_range_count() > 0) {
- printer->Print(
- " this.mergeExtensionFields(other);\n");
- }
-
- if (HasUnknownFields(descriptor_)) {
- printer->Print(
- " this.mergeUnknownFields(other.getUnknownFields());\n");
- }
-
- printer->Print(
- " return this;\n"
- "}\n"
- "\n");
- }
-}
-
-// ===================================================================
-
-void MessageGenerator::GenerateBuilderParsingMethods(io::Printer* printer) {
- printer->Print(
- "public Builder mergeFrom(\n"
- " com.google.protobuf.CodedInputStream input,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
- " throws java.io.IOException {\n"
- " $classname$ parsedMessage = null;\n"
- " try {\n"
- " parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);\n"
- " } catch (com.google.protobuf.InvalidProtocolBufferException e) {\n"
- " parsedMessage = ($classname$) e.getUnfinishedMessage();\n"
- " throw e;\n"
- " } finally {\n"
- " if (parsedMessage != null) {\n"
- " mergeFrom(parsedMessage);\n"
- " }\n"
- " }\n"
- " return this;\n"
- "}\n",
- "classname", ClassName(descriptor_));
-}
-
-// ===================================================================
-
-void MessageGenerator::GenerateIsInitialized(
- io::Printer* printer, UseMemoization useMemoization) {
- bool memoization = useMemoization == MEMOIZE;
- if (memoization) {
- // Memoizes whether the protocol buffer is fully initialized (has all
- // required fields). -1 means not yet computed. 0 means false and 1 means
- // true.
- printer->Print(
- "private byte memoizedIsInitialized = -1;\n");
- }
- printer->Print(
- "public final boolean isInitialized() {\n");
- printer->Indent();
-
- if (memoization) {
- printer->Print(
- "byte isInitialized = memoizedIsInitialized;\n"
- "if (isInitialized != -1) return isInitialized == 1;\n"
- "\n");
- }
-
- // Check that all required fields in this message are set.
- // TODO(kenton): We can optimize this when we switch to putting all the
- // "has" fields into a single bitfield.
- for (int i = 0; i < descriptor_->field_count(); i++) {
- const FieldDescriptor* field = descriptor_->field(i);
-
- if (field->is_required()) {
- printer->Print(
- "if (!has$name$()) {\n"
- " $memoize$\n"
- " return false;\n"
- "}\n",
- "name", UnderscoresToCapitalizedCamelCase(field),
- "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
- }
- }
-
- // Now check that all embedded messages are initialized.
- for (int i = 0; i < descriptor_->field_count(); i++) {
- const FieldDescriptor* field = descriptor_->field(i);
- if (GetJavaType(field) == JAVATYPE_MESSAGE &&
- HasRequiredFields(field->message_type())) {
- switch (field->label()) {
- case FieldDescriptor::LABEL_REQUIRED:
- printer->Print(
- "if (!get$name$().isInitialized()) {\n"
- " $memoize$\n"
- " return false;\n"
- "}\n",
- "type", ClassName(field->message_type()),
- "name", UnderscoresToCapitalizedCamelCase(field),
- "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
- break;
- case FieldDescriptor::LABEL_OPTIONAL:
- printer->Print(
- "if (has$name$()) {\n"
- " if (!get$name$().isInitialized()) {\n"
- " $memoize$\n"
- " return false;\n"
- " }\n"
- "}\n",
- "type", ClassName(field->message_type()),
- "name", UnderscoresToCapitalizedCamelCase(field),
- "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
- break;
- case FieldDescriptor::LABEL_REPEATED:
- printer->Print(
- "for (int i = 0; i < get$name$Count(); i++) {\n"
- " if (!get$name$(i).isInitialized()) {\n"
- " $memoize$\n"
- " return false;\n"
- " }\n"
- "}\n",
- "type", ClassName(field->message_type()),
- "name", UnderscoresToCapitalizedCamelCase(field),
- "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
- break;
- }
- }
- }
-
- if (descriptor_->extension_range_count() > 0) {
- printer->Print(
- "if (!extensionsAreInitialized()) {\n"
- " $memoize$\n"
- " return false;\n"
- "}\n",
- "memoize", memoization ? "memoizedIsInitialized = 0;" : "");
- }
-
- printer->Outdent();
-
- if (memoization) {
- printer->Print(
- " memoizedIsInitialized = 1;\n");
- }
-
- printer->Print(
- " return true;\n"
- "}\n"
- "\n");
-}
-
-// ===================================================================
-
-void MessageGenerator::GenerateEqualsAndHashCode(io::Printer* printer) {
- printer->Print(
- "@java.lang.Override\n"
- "public boolean equals(final java.lang.Object obj) {\n");
- printer->Indent();
- printer->Print(
- "if (obj == this) {\n"
- " return true;\n"
- "}\n"
- "if (!(obj instanceof $classname$)) {\n"
- " return super.equals(obj);\n"
- "}\n"
- "$classname$ other = ($classname$) obj;\n"
- "\n",
- "classname", ClassName(descriptor_));
-
- printer->Print("boolean result = true;\n");
- for (int i = 0; i < descriptor_->field_count(); i++) {
- const FieldDescriptor* field = descriptor_->field(i);
- if (!field->is_repeated()) {
- printer->Print(
- "result = result && (has$name$() == other.has$name$());\n"
- "if (has$name$()) {\n",
- "name", UnderscoresToCapitalizedCamelCase(field));
- printer->Indent();
- }
- field_generators_.get(field).GenerateEqualsCode(printer);
- if (!field->is_repeated()) {
- printer->Outdent();
- printer->Print(
- "}\n");
- }
- }
- if (HasDescriptorMethods(descriptor_)) {
- printer->Print(
- "result = result &&\n"
- " getUnknownFields().equals(other.getUnknownFields());\n");
- if (descriptor_->extension_range_count() > 0) {
- printer->Print(
- "result = result &&\n"
- " getExtensionFields().equals(other.getExtensionFields());\n");
- }
- }
- printer->Print(
- "return result;\n");
- printer->Outdent();
- printer->Print(
- "}\n"
- "\n");
-
- printer->Print(
- "private int memoizedHashCode = 0;\n");
- printer->Print(
- "@java.lang.Override\n"
- "public int hashCode() {\n");
- printer->Indent();
- printer->Print(
- "if (memoizedHashCode != 0) {\n");
- printer->Indent();
- printer->Print(
- "return memoizedHashCode;\n");
- printer->Outdent();
- printer->Print(
- "}\n"
- "int hash = 41;\n"
- "hash = (19 * hash) + getDescriptorForType().hashCode();\n");
- for (int i = 0; i < descriptor_->field_count(); i++) {
- const FieldDescriptor* field = descriptor_->field(i);
- if (!field->is_repeated()) {
- printer->Print(
- "if (has$name$()) {\n",
- "name", UnderscoresToCapitalizedCamelCase(field));
- printer->Indent();
- }
- field_generators_.get(field).GenerateHashCode(printer);
- if (!field->is_repeated()) {
- printer->Outdent();
- printer->Print("}\n");
- }
- }
- if (HasDescriptorMethods(descriptor_)) {
- if (descriptor_->extension_range_count() > 0) {
- printer->Print(
- "hash = hashFields(hash, getExtensionFields());\n");
- }
- }
- printer->Print(
- "hash = (29 * hash) + getUnknownFields().hashCode();\n"
- "memoizedHashCode = hash;\n"
- "return hash;\n");
- printer->Outdent();
- printer->Print(
- "}\n"
- "\n");
-}
-
-// ===================================================================
-
-void MessageGenerator::GenerateExtensionRegistrationCode(io::Printer* printer) {
- for (int i = 0; i < descriptor_->extension_count(); i++) {
- ExtensionGenerator(descriptor_->extension(i))
- .GenerateRegistrationCode(printer);
- }
-
- for (int i = 0; i < descriptor_->nested_type_count(); i++) {
- MessageGenerator(descriptor_->nested_type(i))
- .GenerateExtensionRegistrationCode(printer);
- }
-}
-
-// ===================================================================
-void MessageGenerator::GenerateParsingConstructor(io::Printer* printer) {
- scoped_array<const FieldDescriptor*> sorted_fields(
- SortFieldsByNumber(descriptor_));
-
- printer->Print(
- "private $classname$(\n"
- " com.google.protobuf.CodedInputStream input,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
- " throws com.google.protobuf.InvalidProtocolBufferException {\n",
- "classname", descriptor_->name());
- printer->Indent();
-
- // Initialize all fields to default.
- printer->Print(
- "initFields();\n");
-
- // Use builder bits to track mutable repeated fields.
- int totalBuilderBits = 0;
- for (int i = 0; i < descriptor_->field_count(); i++) {
- const FieldGenerator& field = field_generators_.get(descriptor_->field(i));
- totalBuilderBits += field.GetNumBitsForBuilder();
- }
- int totalBuilderInts = (totalBuilderBits + 31) / 32;
- for (int i = 0; i < totalBuilderInts; i++) {
- printer->Print("int mutable_$bit_field_name$ = 0;\n",
- "bit_field_name", GetBitFieldName(i));
- }
-
- if (HasUnknownFields(descriptor_)) {
- printer->Print(
- "com.google.protobuf.UnknownFieldSet.Builder unknownFields =\n"
- " com.google.protobuf.UnknownFieldSet.newBuilder();\n");
- }
-
- printer->Print(
- "try {\n");
- printer->Indent();
-
- printer->Print(
- "boolean done = false;\n"
- "while (!done) {\n");
- printer->Indent();
-
- printer->Print(
- "int tag = input.readTag();\n"
- "switch (tag) {\n");
- printer->Indent();
-
- printer->Print(
- "case 0:\n" // zero signals EOF / limit reached
- " done = true;\n"
- " break;\n"
- "default: {\n"
- " if (!parseUnknownField(input,$unknown_fields$\n"
- " extensionRegistry, tag)) {\n"
- " done = true;\n" // it's an endgroup tag
- " }\n"
- " break;\n"
- "}\n",
- "unknown_fields", HasUnknownFields(descriptor_)
- ? " unknownFields," : "");
-
- for (int i = 0; i < descriptor_->field_count(); i++) {
- const FieldDescriptor* field = sorted_fields[i];
- uint32 tag = WireFormatLite::MakeTag(field->number(),
- WireFormat::WireTypeForFieldType(field->type()));
-
- printer->Print(
- "case $tag$: {\n",
- "tag", SimpleItoa(tag));
- printer->Indent();
-
- field_generators_.get(field).GenerateParsingCode(printer);
-
- printer->Outdent();
- printer->Print(
- " break;\n"
- "}\n");
-
- if (field->is_packable()) {
- // To make packed = true wire compatible, we generate parsing code from a
- // packed version of this field regardless of field->options().packed().
- uint32 packed_tag = WireFormatLite::MakeTag(field->number(),
- WireFormatLite::WIRETYPE_LENGTH_DELIMITED);
- printer->Print(
- "case $tag$: {\n",
- "tag", SimpleItoa(packed_tag));
- printer->Indent();
-
- field_generators_.get(field).GenerateParsingCodeFromPacked(printer);
-
- printer->Outdent();
- printer->Print(
- " break;\n"
- "}\n");
- }
- }
-
- printer->Outdent();
- printer->Outdent();
- printer->Print(
- " }\n" // switch (tag)
- "}\n"); // while (!done)
-
- printer->Outdent();
- printer->Print(
- "} catch (com.google.protobuf.InvalidProtocolBufferException e) {\n"
- " throw e.setUnfinishedMessage(this);\n"
- "} catch (java.io.IOException e) {\n"
- " throw new com.google.protobuf.InvalidProtocolBufferException(\n"
- " e.getMessage()).setUnfinishedMessage(this);\n"
- "} finally {\n");
- printer->Indent();
-
- // Make repeated field list immutable.
- for (int i = 0; i < descriptor_->field_count(); i++) {
- const FieldDescriptor* field = sorted_fields[i];
- field_generators_.get(field).GenerateParsingDoneCode(printer);
- }
-
- // Make unknown fields immutable.
- if (HasUnknownFields(descriptor_)) {
- printer->Print(
- "this.unknownFields = unknownFields.build();\n");
- }
-
- // Make extensions immutable.
- printer->Print(
- "makeExtensionsImmutable();\n");
-
- printer->Outdent();
- printer->Outdent();
- printer->Print(
- " }\n" // finally
- "}\n");
-}
-
-// ===================================================================
-void MessageGenerator::GenerateParser(io::Printer* printer) {
- printer->Print(
- "public static com.google.protobuf.Parser<$classname$> PARSER =\n"
- " new com.google.protobuf.AbstractParser<$classname$>() {\n",
- "classname", descriptor_->name());
- printer->Indent();
- printer->Print(
- "public $classname$ parsePartialFrom(\n"
- " com.google.protobuf.CodedInputStream input,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
- " throws com.google.protobuf.InvalidProtocolBufferException {\n",
- "classname", descriptor_->name());
- if (HasGeneratedMethods(descriptor_)) {
- printer->Print(
- " return new $classname$(input, extensionRegistry);\n",
- "classname", descriptor_->name());
- } else {
- // When parsing constructor isn't generated, use builder to parse messages.
- // Note, will fallback to use reflection based mergeFieldFrom() in
- // AbstractMessage.Builder.
- printer->Indent();
- printer->Print(
- "Builder builder = newBuilder();\n"
- "try {\n"
- " builder.mergeFrom(input, extensionRegistry);\n"
- "} catch (com.google.protobuf.InvalidProtocolBufferException e) {\n"
- " throw e.setUnfinishedMessage(builder.buildPartial());\n"
- "} catch (java.io.IOException e) {\n"
- " throw new com.google.protobuf.InvalidProtocolBufferException(\n"
- " e.getMessage()).setUnfinishedMessage(builder.buildPartial());\n"
- "}\n"
- "return builder.buildPartial();\n");
- printer->Outdent();
- }
- printer->Print(
- "}\n");
- printer->Outdent();
- printer->Print(
- "};\n"
- "\n");
-
- printer->Print(
- "@java.lang.Override\n"
- "public com.google.protobuf.Parser<$classname$> getParserForType() {\n"
- " return PARSER;\n"
- "}\n"
- "\n",
- "classname", descriptor_->name());
-}
-
-} // namespace java
-} // namespace compiler
-} // namespace protobuf
-} // namespace google
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