mirror of
https://github.com/Mauler125/r5sdk.git
synced 2025-02-09 19:15:03 +01:00
1730 lines
63 KiB
C++
1730 lines
63 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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#include <thirdparty/protobuf/compiler/java/java_message.h>
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#include <algorithm>
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#include <cstdint>
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#include <map>
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#include <memory>
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#include <vector>
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#include <thirdparty/protobuf/compiler/java/java_context.h>
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#include <thirdparty/protobuf/compiler/java/java_doc_comment.h>
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#include <thirdparty/protobuf/compiler/java/java_enum.h>
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#include <thirdparty/protobuf/compiler/java/java_extension.h>
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#include <thirdparty/protobuf/compiler/java/java_generator_factory.h>
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#include <thirdparty/protobuf/compiler/java/java_helpers.h>
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#include <thirdparty/protobuf/compiler/java/java_message_builder.h>
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#include <thirdparty/protobuf/compiler/java/java_message_builder_lite.h>
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#include <thirdparty/protobuf/compiler/java/java_name_resolver.h>
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#include <thirdparty/protobuf/descriptor.pb.h>
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#include <thirdparty/protobuf/io/coded_stream.h>
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#include <thirdparty/protobuf/io/printer.h>
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#include <thirdparty/protobuf/wire_format.h>
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#include <thirdparty/protobuf/stubs/strutil.h>
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#include <thirdparty/protobuf/stubs/substitute.h>
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace java {
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using internal::WireFormat;
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using internal::WireFormatLite;
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namespace {
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std::string MapValueImmutableClassdName(const Descriptor* descriptor,
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ClassNameResolver* name_resolver) {
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const FieldDescriptor* value_field = descriptor->FindFieldByName("value");
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GOOGLE_CHECK_EQ(FieldDescriptor::TYPE_MESSAGE, value_field->type());
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return name_resolver->GetImmutableClassName(value_field->message_type());
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}
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} // namespace
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// ===================================================================
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MessageGenerator::MessageGenerator(const Descriptor* descriptor)
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: descriptor_(descriptor) {
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for (int i = 0; i < descriptor_->field_count(); i++) {
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if (IsRealOneof(descriptor_->field(i))) {
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oneofs_.insert(descriptor_->field(i)->containing_oneof());
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}
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}
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}
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MessageGenerator::~MessageGenerator() {}
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// ===================================================================
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ImmutableMessageGenerator::ImmutableMessageGenerator(
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const Descriptor* descriptor, Context* context)
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: MessageGenerator(descriptor),
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context_(context),
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name_resolver_(context->GetNameResolver()),
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field_generators_(descriptor, context_) {
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GOOGLE_CHECK(HasDescriptorMethods(descriptor->file(), context->EnforceLite()))
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<< "Generator factory error: A non-lite message generator is used to "
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"generate lite messages.";
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}
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ImmutableMessageGenerator::~ImmutableMessageGenerator() {}
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void ImmutableMessageGenerator::GenerateStaticVariables(
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io::Printer* printer, int* bytecode_estimate) {
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// Because descriptor.proto (com.google.protobuf.DescriptorProtos) is
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// used in the construction of descriptors, we have a tricky bootstrapping
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// problem. To help control static initialization order, we make sure all
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// descriptors and other static data that depends on them are members of
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// the outermost class in the file. This way, they will be initialized in
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// a deterministic order.
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std::map<std::string, std::string> vars;
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vars["identifier"] = UniqueFileScopeIdentifier(descriptor_);
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vars["index"] = StrCat(descriptor_->index());
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vars["classname"] = name_resolver_->GetImmutableClassName(descriptor_);
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if (descriptor_->containing_type() != NULL) {
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vars["parent"] = UniqueFileScopeIdentifier(descriptor_->containing_type());
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}
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if (MultipleJavaFiles(descriptor_->file(), /* immutable = */ true)) {
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// We can only make these package-private since the classes that use them
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// are in separate files.
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vars["private"] = "";
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} else {
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vars["private"] = "private ";
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}
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if (*bytecode_estimate <= kMaxStaticSize) {
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vars["final"] = "final ";
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} else {
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vars["final"] = "";
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}
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// The descriptor for this type.
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printer->Print(
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vars,
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// TODO(teboring): final needs to be added back. The way to fix it is to
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// generate methods that can construct the types, and then still declare
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// the types, and then init them in clinit with the new method calls.
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"$private$static $final$com.google.protobuf.Descriptors.Descriptor\n"
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" internal_$identifier$_descriptor;\n");
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*bytecode_estimate += 30;
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// And the FieldAccessorTable.
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GenerateFieldAccessorTable(printer, bytecode_estimate);
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// Generate static members for all nested types.
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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// TODO(kenton): Reuse MessageGenerator objects?
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ImmutableMessageGenerator(descriptor_->nested_type(i), context_)
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.GenerateStaticVariables(printer, bytecode_estimate);
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}
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}
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int ImmutableMessageGenerator::GenerateStaticVariableInitializers(
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io::Printer* printer) {
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int bytecode_estimate = 0;
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std::map<std::string, std::string> vars;
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vars["identifier"] = UniqueFileScopeIdentifier(descriptor_);
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vars["index"] = StrCat(descriptor_->index());
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vars["classname"] = name_resolver_->GetImmutableClassName(descriptor_);
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if (descriptor_->containing_type() != NULL) {
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vars["parent"] = UniqueFileScopeIdentifier(descriptor_->containing_type());
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}
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// The descriptor for this type.
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if (descriptor_->containing_type() == NULL) {
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printer->Print(vars,
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"internal_$identifier$_descriptor =\n"
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" getDescriptor().getMessageTypes().get($index$);\n");
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bytecode_estimate += 30;
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} else {
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printer->Print(
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vars,
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"internal_$identifier$_descriptor =\n"
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" internal_$parent$_descriptor.getNestedTypes().get($index$);\n");
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bytecode_estimate += 30;
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}
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// And the FieldAccessorTable.
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bytecode_estimate += GenerateFieldAccessorTableInitializer(printer);
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// Generate static member initializers for all nested types.
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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// TODO(kenton): Reuse MessageGenerator objects?
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bytecode_estimate +=
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ImmutableMessageGenerator(descriptor_->nested_type(i), context_)
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.GenerateStaticVariableInitializers(printer);
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}
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return bytecode_estimate;
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}
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void ImmutableMessageGenerator::GenerateFieldAccessorTable(
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io::Printer* printer, int* bytecode_estimate) {
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std::map<std::string, std::string> vars;
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vars["identifier"] = UniqueFileScopeIdentifier(descriptor_);
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if (MultipleJavaFiles(descriptor_->file(), /* immutable = */ true)) {
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// We can only make these package-private since the classes that use them
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// are in separate files.
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vars["private"] = "";
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} else {
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vars["private"] = "private ";
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}
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if (*bytecode_estimate <= kMaxStaticSize) {
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vars["final"] = "final ";
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} else {
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vars["final"] = "";
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}
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vars["ver"] = GeneratedCodeVersionSuffix();
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printer->Print(
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vars,
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"$private$static $final$\n"
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" com.google.protobuf.GeneratedMessage$ver$.FieldAccessorTable\n"
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" internal_$identifier$_fieldAccessorTable;\n");
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// The following bytecode_estimate calculation logic must stay in sync with
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// the similar logic in the GenerateFieldAccessorTableInitializer method below
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// to make sure that the generated static final fields are initialized in the
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// static initialization block directly.
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//
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// 6 bytes per field and oneof
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*bytecode_estimate +=
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10 + 6 * descriptor_->field_count() + 6 * descriptor_->oneof_decl_count();
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}
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int ImmutableMessageGenerator::GenerateFieldAccessorTableInitializer(
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io::Printer* printer) {
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int bytecode_estimate = 10;
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printer->Print(
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"internal_$identifier$_fieldAccessorTable = new\n"
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" com.google.protobuf.GeneratedMessage$ver$.FieldAccessorTable(\n"
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" internal_$identifier$_descriptor,\n"
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" new java.lang.String[] { ",
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"identifier", UniqueFileScopeIdentifier(descriptor_), "ver",
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GeneratedCodeVersionSuffix());
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// All the bytecode_estimate calculation logic in this method must stay in
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// sync with the similar logic in the GenerateFieldAccessorTable method
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// above. See the corresponding comment in GenerateFieldAccessorTable for
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// details.
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for (int i = 0; i < descriptor_->field_count(); i++) {
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const FieldDescriptor* field = descriptor_->field(i);
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const FieldGeneratorInfo* info = context_->GetFieldGeneratorInfo(field);
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bytecode_estimate += 6;
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printer->Print("\"$field_name$\", ", "field_name", info->capitalized_name);
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}
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// We reproduce synthetic oneofs here since proto reflection needs these.
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for (int i = 0; i < descriptor_->oneof_decl_count(); i++) {
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const OneofDescriptor* oneof = descriptor_->oneof_decl(i);
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const OneofGeneratorInfo* info = context_->GetOneofGeneratorInfo(oneof);
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bytecode_estimate += 6;
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printer->Print("\"$oneof_name$\", ", "oneof_name", info->capitalized_name);
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}
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printer->Print("});\n");
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return bytecode_estimate;
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}
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// ===================================================================
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void ImmutableMessageGenerator::GenerateInterface(io::Printer* printer) {
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MaybePrintGeneratedAnnotation(context_, printer, descriptor_,
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/* immutable = */ true, "OrBuilder");
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if (descriptor_->extension_range_count() > 0) {
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printer->Print(
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"$deprecation$public interface ${$$classname$OrBuilder$}$ extends\n"
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" $extra_interfaces$\n"
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" com.google.protobuf.GeneratedMessage$ver$.\n"
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" ExtendableMessageOrBuilder<$classname$> {\n",
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"deprecation",
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descriptor_->options().deprecated() ? "@java.lang.Deprecated " : "",
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"extra_interfaces", ExtraMessageOrBuilderInterfaces(descriptor_),
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"classname", descriptor_->name(), "{", "", "}", "", "ver",
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GeneratedCodeVersionSuffix());
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} else {
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printer->Print(
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"$deprecation$public interface ${$$classname$OrBuilder$}$ extends\n"
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" $extra_interfaces$\n"
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" com.google.protobuf.MessageOrBuilder {\n",
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"deprecation",
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descriptor_->options().deprecated() ? "@java.lang.Deprecated " : "",
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"extra_interfaces", ExtraMessageOrBuilderInterfaces(descriptor_),
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"classname", descriptor_->name(), "{", "", "}", "");
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}
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printer->Annotate("{", "}", descriptor_);
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printer->Indent();
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for (int i = 0; i < descriptor_->field_count(); i++) {
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printer->Print("\n");
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field_generators_.get(descriptor_->field(i))
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.GenerateInterfaceMembers(printer);
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}
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for (auto oneof : oneofs_) {
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printer->Print(
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"\n"
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"public $classname$.$oneof_capitalized_name$Case "
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"get$oneof_capitalized_name$Case();\n",
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"oneof_capitalized_name",
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context_->GetOneofGeneratorInfo(oneof)->capitalized_name, "classname",
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context_->GetNameResolver()->GetImmutableClassName(descriptor_));
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}
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printer->Outdent();
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printer->Print("}\n");
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}
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// ===================================================================
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void ImmutableMessageGenerator::Generate(io::Printer* printer) {
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bool is_own_file = IsOwnFile(descriptor_, /* immutable = */ true);
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std::map<std::string, std::string> variables;
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variables["static"] = is_own_file ? "" : "static ";
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variables["classname"] = descriptor_->name();
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variables["extra_interfaces"] = ExtraMessageInterfaces(descriptor_);
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variables["ver"] = GeneratedCodeVersionSuffix();
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variables["deprecation"] =
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descriptor_->options().deprecated() ? "@java.lang.Deprecated " : "";
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WriteMessageDocComment(printer, descriptor_);
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MaybePrintGeneratedAnnotation(context_, printer, descriptor_,
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/* immutable = */ true);
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// The builder_type stores the super type name of the nested Builder class.
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std::string builder_type;
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if (descriptor_->extension_range_count() > 0) {
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printer->Print(
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variables,
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"$deprecation$public $static$final class $classname$ extends\n");
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printer->Annotate("classname", descriptor_);
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printer->Print(
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variables,
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" com.google.protobuf.GeneratedMessage$ver$.ExtendableMessage<\n"
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" $classname$> implements\n"
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" $extra_interfaces$\n"
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" $classname$OrBuilder {\n");
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builder_type = strings::Substitute(
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"com.google.protobuf.GeneratedMessage$1.ExtendableBuilder<$0, ?>",
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name_resolver_->GetImmutableClassName(descriptor_),
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GeneratedCodeVersionSuffix());
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} else {
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printer->Print(
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variables,
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"$deprecation$public $static$final class $classname$ extends\n");
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printer->Annotate("classname", descriptor_);
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printer->Print(variables,
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" com.google.protobuf.GeneratedMessage$ver$ implements\n"
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" $extra_interfaces$\n"
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" $classname$OrBuilder {\n");
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builder_type =
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strings::Substitute("com.google.protobuf.GeneratedMessage$0.Builder<?>",
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GeneratedCodeVersionSuffix());
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}
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printer->Print("private static final long serialVersionUID = 0L;\n");
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printer->Indent();
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// Using builder_type, instead of Builder, prevents the Builder class from
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// being loaded into PermGen space when the default instance is created.
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// This optimizes the PermGen space usage for clients that do not modify
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// messages.
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printer->Print(
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"// Use $classname$.newBuilder() to construct.\n"
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"private $classname$($buildertype$ builder) {\n"
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" super(builder);\n"
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"}\n",
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"classname", descriptor_->name(), "buildertype", builder_type);
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printer->Print("private $classname$() {\n", "classname", descriptor_->name());
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printer->Indent();
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GenerateInitializers(printer);
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printer->Outdent();
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printer->Print(
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"}\n"
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"\n");
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printer->Print(variables,
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"@java.lang.Override\n"
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"@SuppressWarnings({\"unused\"})\n"
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"protected java.lang.Object newInstance(\n"
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" UnusedPrivateParameter unused) {\n"
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" return new $classname$();\n"
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"}\n"
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"\n");
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printer->Print(
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"@java.lang.Override\n"
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"public final com.google.protobuf.UnknownFieldSet\n"
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"getUnknownFields() {\n"
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" return this.unknownFields;\n"
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"}\n");
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if (context_->HasGeneratedMethods(descriptor_)) {
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GenerateParsingConstructor(printer);
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}
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GenerateDescriptorMethods(printer);
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// Nested types
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for (int i = 0; i < descriptor_->enum_type_count(); i++) {
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EnumGenerator(descriptor_->enum_type(i), true, context_).Generate(printer);
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}
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for (int i = 0; i < descriptor_->nested_type_count(); i++) {
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// Don't generate Java classes for map entry messages.
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if (IsMapEntry(descriptor_->nested_type(i))) continue;
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ImmutableMessageGenerator messageGenerator(descriptor_->nested_type(i),
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context_);
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messageGenerator.GenerateInterface(printer);
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messageGenerator.Generate(printer);
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}
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// Integers for bit fields.
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int totalBits = 0;
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for (int i = 0; i < descriptor_->field_count(); i++) {
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totalBits +=
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field_generators_.get(descriptor_->field(i)).GetNumBitsForMessage();
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}
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int totalInts = (totalBits + 31) / 32;
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for (int i = 0; i < totalInts; i++) {
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printer->Print("private int $bit_field_name$;\n", "bit_field_name",
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GetBitFieldName(i));
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}
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// oneof
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std::map<std::string, std::string> vars;
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for (auto oneof : oneofs_) {
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vars["oneof_name"] = context_->GetOneofGeneratorInfo(oneof)->name;
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vars["oneof_capitalized_name"] =
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context_->GetOneofGeneratorInfo(oneof)->capitalized_name;
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vars["oneof_index"] = StrCat((oneof)->index());
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// oneofCase_ and oneof_
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printer->Print(vars,
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|
"private int $oneof_name$Case_ = 0;\n"
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"private java.lang.Object $oneof_name$_;\n");
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// OneofCase enum
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printer->Print(
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vars,
|
|
"public enum $oneof_capitalized_name$Case\n"
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// TODO(dweis): Remove EnumLite when we want to break compatibility with
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|
// 3.x users
|
|
" implements com.google.protobuf.Internal.EnumLite,\n"
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" com.google.protobuf.AbstractMessage.InternalOneOfEnum {\n");
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printer->Indent();
|
|
for (int j = 0; j < (oneof)->field_count(); j++) {
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const FieldDescriptor* field = (oneof)->field(j);
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printer->Print(
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"$deprecation$$field_name$($field_number$),\n", "deprecation",
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field->options().deprecated() ? "@java.lang.Deprecated " : "",
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"field_name", ToUpper(field->name()), "field_number",
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StrCat(field->number()));
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}
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printer->Print("$cap_oneof_name$_NOT_SET(0);\n", "cap_oneof_name",
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ToUpper(vars["oneof_name"]));
|
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printer->Print(vars,
|
|
"private final int value;\n"
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|
"private $oneof_capitalized_name$Case(int value) {\n"
|
|
" this.value = value;\n"
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|
"}\n");
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printer->Print(
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vars,
|
|
"/**\n"
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|
" * @param value The number of the enum to look for.\n"
|
|
" * @return The enum associated with the given number.\n"
|
|
" * @deprecated Use {@link #forNumber(int)} instead.\n"
|
|
" */\n"
|
|
"@java.lang.Deprecated\n"
|
|
"public static $oneof_capitalized_name$Case valueOf(int value) {\n"
|
|
" return forNumber(value);\n"
|
|
"}\n"
|
|
"\n"
|
|
"public static $oneof_capitalized_name$Case forNumber(int value) {\n"
|
|
" switch (value) {\n");
|
|
for (int j = 0; j < (oneof)->field_count(); j++) {
|
|
const FieldDescriptor* field = (oneof)->field(j);
|
|
printer->Print(" case $field_number$: return $field_name$;\n",
|
|
"field_number", StrCat(field->number()),
|
|
"field_name", ToUpper(field->name()));
|
|
}
|
|
printer->Print(
|
|
" case 0: return $cap_oneof_name$_NOT_SET;\n"
|
|
" default: return null;\n"
|
|
" }\n"
|
|
"}\n"
|
|
"public int getNumber() {\n"
|
|
" return this.value;\n"
|
|
"}\n",
|
|
"cap_oneof_name", ToUpper(vars["oneof_name"]));
|
|
printer->Outdent();
|
|
printer->Print("};\n\n");
|
|
// oneofCase()
|
|
printer->Print(vars,
|
|
"public $oneof_capitalized_name$Case\n"
|
|
"get$oneof_capitalized_name$Case() {\n"
|
|
" return $oneof_capitalized_name$Case.forNumber(\n"
|
|
" $oneof_name$Case_);\n"
|
|
"}\n"
|
|
"\n");
|
|
}
|
|
|
|
if (IsAnyMessage(descriptor_)) {
|
|
GenerateAnyMethods(printer);
|
|
}
|
|
|
|
// Fields
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
printer->Print("public static final int $constant_name$ = $number$;\n",
|
|
"constant_name", FieldConstantName(descriptor_->field(i)),
|
|
"number", StrCat(descriptor_->field(i)->number()));
|
|
printer->Annotate("constant_name", descriptor_->field(i));
|
|
field_generators_.get(descriptor_->field(i)).GenerateMembers(printer);
|
|
printer->Print("\n");
|
|
}
|
|
|
|
if (context_->HasGeneratedMethods(descriptor_)) {
|
|
GenerateIsInitialized(printer);
|
|
GenerateMessageSerializationMethods(printer);
|
|
GenerateEqualsAndHashCode(printer);
|
|
}
|
|
|
|
|
|
GenerateParseFromMethods(printer);
|
|
GenerateBuilder(printer);
|
|
|
|
printer->Print(
|
|
"\n"
|
|
"// @@protoc_insertion_point(class_scope:$full_name$)\n",
|
|
"full_name", descriptor_->full_name());
|
|
|
|
// Carefully initialize the default instance in such a way that it doesn't
|
|
// conflict with other initialization.
|
|
printer->Print("private static final $classname$ DEFAULT_INSTANCE;\n",
|
|
"classname",
|
|
name_resolver_->GetImmutableClassName(descriptor_));
|
|
printer->Print(
|
|
"static {\n"
|
|
" DEFAULT_INSTANCE = new $classname$();\n"
|
|
"}\n"
|
|
"\n",
|
|
"classname", name_resolver_->GetImmutableClassName(descriptor_));
|
|
|
|
printer->Print(
|
|
"public static $classname$ getDefaultInstance() {\n"
|
|
" return DEFAULT_INSTANCE;\n"
|
|
"}\n"
|
|
"\n",
|
|
"classname", name_resolver_->GetImmutableClassName(descriptor_));
|
|
|
|
// 'of' method for Wrappers
|
|
if (IsWrappersProtoFile(descriptor_->file())) {
|
|
printer->Print(
|
|
"public static $classname$ of($field_type$ value) {\n"
|
|
" return newBuilder().setValue(value).build();\n"
|
|
"}\n"
|
|
"\n",
|
|
"classname", name_resolver_->GetImmutableClassName(descriptor_),
|
|
"field_type", PrimitiveTypeName(GetJavaType(descriptor_->field(0))));
|
|
}
|
|
|
|
GenerateParser(printer);
|
|
|
|
printer->Print(
|
|
"@java.lang.Override\n"
|
|
"public $classname$ getDefaultInstanceForType() {\n"
|
|
" return DEFAULT_INSTANCE;\n"
|
|
"}\n"
|
|
"\n",
|
|
"classname", name_resolver_->GetImmutableClassName(descriptor_));
|
|
|
|
// Extensions must be declared after the DEFAULT_INSTANCE is initialized
|
|
// because the DEFAULT_INSTANCE is used by the extension to lazily retrieve
|
|
// the outer class's FileDescriptor.
|
|
for (int i = 0; i < descriptor_->extension_count(); i++) {
|
|
ImmutableExtensionGenerator(descriptor_->extension(i), context_)
|
|
.Generate(printer);
|
|
}
|
|
|
|
printer->Outdent();
|
|
printer->Print("}\n\n");
|
|
}
|
|
|
|
// ===================================================================
|
|
|
|
void ImmutableMessageGenerator::GenerateMessageSerializationMethods(
|
|
io::Printer* printer) {
|
|
std::unique_ptr<const FieldDescriptor*[]> sorted_fields(
|
|
SortFieldsByNumber(descriptor_));
|
|
|
|
std::vector<const Descriptor::ExtensionRange*> sorted_extensions;
|
|
sorted_extensions.reserve(descriptor_->extension_range_count());
|
|
for (int i = 0; i < descriptor_->extension_range_count(); ++i) {
|
|
sorted_extensions.push_back(descriptor_->extension_range(i));
|
|
}
|
|
std::sort(sorted_extensions.begin(), sorted_extensions.end(),
|
|
ExtensionRangeOrdering());
|
|
printer->Print(
|
|
"@java.lang.Override\n"
|
|
"public void writeTo(com.google.protobuf.CodedOutputStream output)\n"
|
|
" throws java.io.IOException {\n");
|
|
printer->Indent();
|
|
|
|
if (HasPackedFields(descriptor_)) {
|
|
// 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. 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$ver$\n"
|
|
" .ExtendableMessage<$classname$>.ExtensionWriter\n"
|
|
" extensionWriter = newMessageSetExtensionWriter();\n",
|
|
"classname", name_resolver_->GetImmutableClassName(descriptor_),
|
|
"ver", GeneratedCodeVersionSuffix());
|
|
} else {
|
|
printer->Print(
|
|
"com.google.protobuf.GeneratedMessage$ver$\n"
|
|
" .ExtendableMessage<$classname$>.ExtensionWriter\n"
|
|
" extensionWriter = newExtensionWriter();\n",
|
|
"classname", name_resolver_->GetImmutableClassName(descriptor_),
|
|
"ver", GeneratedCodeVersionSuffix());
|
|
}
|
|
}
|
|
|
|
// 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 (descriptor_->options().message_set_wire_format()) {
|
|
printer->Print("unknownFields.writeAsMessageSetTo(output);\n");
|
|
} else {
|
|
printer->Print("unknownFields.writeTo(output);\n");
|
|
}
|
|
|
|
printer->Outdent();
|
|
printer->Print(
|
|
"}\n"
|
|
"\n"
|
|
"@java.lang.Override\n"
|
|
"public int getSerializedSize() {\n"
|
|
" int size = memoizedSize;\n"
|
|
" if (size != -1) return size;\n"
|
|
"\n");
|
|
printer->Indent();
|
|
|
|
printer->Print("size = 0;\n");
|
|
|
|
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 (descriptor_->options().message_set_wire_format()) {
|
|
printer->Print("size += unknownFields.getSerializedSizeAsMessageSet();\n");
|
|
} else {
|
|
printer->Print("size += unknownFields.getSerializedSize();\n");
|
|
}
|
|
|
|
printer->Print(
|
|
"memoizedSize = size;\n"
|
|
"return size;\n");
|
|
|
|
printer->Outdent();
|
|
printer->Print(
|
|
"}\n"
|
|
"\n");
|
|
}
|
|
|
|
void ImmutableMessageGenerator::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"
|
|
" java.nio.ByteBuffer data)\n"
|
|
" throws com.google.protobuf.InvalidProtocolBufferException {\n"
|
|
" return PARSER.parseFrom(data);\n"
|
|
"}\n"
|
|
"public static $classname$ parseFrom(\n"
|
|
" java.nio.ByteBuffer 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(\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 com.google.protobuf.GeneratedMessage$ver$\n"
|
|
" .parseWithIOException(PARSER, 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 com.google.protobuf.GeneratedMessage$ver$\n"
|
|
" .parseWithIOException(PARSER, input, extensionRegistry);\n"
|
|
"}\n"
|
|
"public static $classname$ parseDelimitedFrom(java.io.InputStream "
|
|
"input)\n"
|
|
" throws java.io.IOException {\n"
|
|
" return com.google.protobuf.GeneratedMessage$ver$\n"
|
|
" .parseDelimitedWithIOException(PARSER, 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 com.google.protobuf.GeneratedMessage$ver$\n"
|
|
" .parseDelimitedWithIOException(PARSER, input, "
|
|
"extensionRegistry);\n"
|
|
"}\n"
|
|
"public static $classname$ parseFrom(\n"
|
|
" com.google.protobuf.CodedInputStream input)\n"
|
|
" throws java.io.IOException {\n"
|
|
" return com.google.protobuf.GeneratedMessage$ver$\n"
|
|
" .parseWithIOException(PARSER, 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 com.google.protobuf.GeneratedMessage$ver$\n"
|
|
" .parseWithIOException(PARSER, input, extensionRegistry);\n"
|
|
"}\n"
|
|
"\n",
|
|
"classname", name_resolver_->GetImmutableClassName(descriptor_), "ver",
|
|
GeneratedCodeVersionSuffix());
|
|
}
|
|
|
|
void ImmutableMessageGenerator::GenerateSerializeOneField(
|
|
io::Printer* printer, const FieldDescriptor* field) {
|
|
field_generators_.get(field).GenerateSerializationCode(printer);
|
|
}
|
|
|
|
void ImmutableMessageGenerator::GenerateSerializeOneExtensionRange(
|
|
io::Printer* printer, const Descriptor::ExtensionRange* range) {
|
|
printer->Print("extensionWriter.writeUntil($end$, output);\n", "end",
|
|
StrCat(range->end));
|
|
}
|
|
|
|
// ===================================================================
|
|
|
|
void ImmutableMessageGenerator::GenerateBuilder(io::Printer* printer) {
|
|
// LITE_RUNTIME implements this at the GeneratedMessageLite level.
|
|
printer->Print(
|
|
"@java.lang.Override\n"
|
|
"public Builder newBuilderForType() { return newBuilder(); }\n");
|
|
|
|
printer->Print(
|
|
"public static Builder newBuilder() {\n"
|
|
" return DEFAULT_INSTANCE.toBuilder();\n"
|
|
"}\n"
|
|
"public static Builder newBuilder($classname$ prototype) {\n"
|
|
" return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);\n"
|
|
"}\n"
|
|
"@java.lang.Override\n"
|
|
"public Builder toBuilder() {\n"
|
|
" return this == DEFAULT_INSTANCE\n"
|
|
" ? new Builder() : new Builder().mergeFrom(this);\n"
|
|
"}\n"
|
|
"\n",
|
|
"classname", name_resolver_->GetImmutableClassName(descriptor_));
|
|
|
|
printer->Print(
|
|
"@java.lang.Override\n"
|
|
"protected Builder newBuilderForType(\n"
|
|
" com.google.protobuf.GeneratedMessage$ver$.BuilderParent parent) {\n"
|
|
" Builder builder = new Builder(parent);\n"
|
|
" return builder;\n"
|
|
"}\n",
|
|
"ver", GeneratedCodeVersionSuffix());
|
|
|
|
MessageBuilderGenerator builderGenerator(descriptor_, context_);
|
|
builderGenerator.Generate(printer);
|
|
}
|
|
|
|
void ImmutableMessageGenerator::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_));
|
|
}
|
|
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"
|
|
"@java.lang.Override\n"
|
|
"protected com.google.protobuf.MapField internalGetMapField(\n"
|
|
" int number) {\n"
|
|
" switch (number) {\n");
|
|
printer->Indent();
|
|
printer->Indent();
|
|
for (int i = 0; i < map_fields.size(); ++i) {
|
|
const FieldDescriptor* field = map_fields[i];
|
|
const FieldGeneratorInfo* info = context_->GetFieldGeneratorInfo(field);
|
|
printer->Print(
|
|
"case $number$:\n"
|
|
" return internalGet$capitalized_name$();\n",
|
|
"number", StrCat(field->number()), "capitalized_name",
|
|
info->capitalized_name);
|
|
}
|
|
printer->Print(
|
|
"default:\n"
|
|
" throw new RuntimeException(\n"
|
|
" \"Invalid map field number: \" + number);\n");
|
|
printer->Outdent();
|
|
printer->Outdent();
|
|
printer->Print(
|
|
" }\n"
|
|
"}\n");
|
|
}
|
|
printer->Print(
|
|
"@java.lang.Override\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_), "ver",
|
|
GeneratedCodeVersionSuffix());
|
|
}
|
|
|
|
// ===================================================================
|
|
|
|
void ImmutableMessageGenerator::GenerateIsInitialized(io::Printer* printer) {
|
|
// 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(
|
|
"@java.lang.Override\n"
|
|
"public final boolean isInitialized() {\n");
|
|
printer->Indent();
|
|
|
|
// Don't directly compare to -1 to avoid an Android x86 JIT bug.
|
|
printer->Print(
|
|
"byte isInitialized = memoizedIsInitialized;\n"
|
|
"if (isInitialized == 1) return true;\n"
|
|
"if (isInitialized == 0) return false;\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);
|
|
const FieldGeneratorInfo* info = context_->GetFieldGeneratorInfo(field);
|
|
|
|
if (field->is_required()) {
|
|
printer->Print(
|
|
"if (!has$name$()) {\n"
|
|
" memoizedIsInitialized = 0;\n"
|
|
" return false;\n"
|
|
"}\n",
|
|
"name", info->capitalized_name);
|
|
}
|
|
}
|
|
|
|
// Now check that all embedded messages are initialized.
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
const FieldDescriptor* field = descriptor_->field(i);
|
|
const FieldGeneratorInfo* info = context_->GetFieldGeneratorInfo(field);
|
|
if (GetJavaType(field) == JAVATYPE_MESSAGE &&
|
|
HasRequiredFields(field->message_type())) {
|
|
switch (field->label()) {
|
|
case FieldDescriptor::LABEL_REQUIRED:
|
|
printer->Print(
|
|
"if (!get$name$().isInitialized()) {\n"
|
|
" memoizedIsInitialized = 0;\n"
|
|
" return false;\n"
|
|
"}\n",
|
|
"type",
|
|
name_resolver_->GetImmutableClassName(field->message_type()),
|
|
"name", info->capitalized_name);
|
|
break;
|
|
case FieldDescriptor::LABEL_OPTIONAL:
|
|
printer->Print(
|
|
"if (has$name$()) {\n"
|
|
" if (!get$name$().isInitialized()) {\n"
|
|
" memoizedIsInitialized = 0;\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$name$Map().values()) {\n"
|
|
" if (!item.isInitialized()) {\n"
|
|
" memoizedIsInitialized = 0;\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"
|
|
" if (!get$name$(i).isInitialized()) {\n"
|
|
" memoizedIsInitialized = 0;\n"
|
|
" return false;\n"
|
|
" }\n"
|
|
"}\n",
|
|
"type",
|
|
name_resolver_->GetImmutableClassName(field->message_type()),
|
|
"name", info->capitalized_name);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (descriptor_->extension_range_count() > 0) {
|
|
printer->Print(
|
|
"if (!extensionsAreInitialized()) {\n"
|
|
" memoizedIsInitialized = 0;\n"
|
|
" return false;\n"
|
|
"}\n");
|
|
}
|
|
|
|
printer->Outdent();
|
|
|
|
printer->Print(" memoizedIsInitialized = 1;\n");
|
|
|
|
printer->Print(
|
|
" return true;\n"
|
|
"}\n"
|
|
"\n");
|
|
}
|
|
|
|
// ===================================================================
|
|
|
|
namespace {
|
|
bool CheckHasBitsForEqualsAndHashCode(const FieldDescriptor* field) {
|
|
if (field->is_repeated()) {
|
|
return false;
|
|
}
|
|
if (HasHasbit(field)) {
|
|
return true;
|
|
}
|
|
return GetJavaType(field) == JAVATYPE_MESSAGE && !IsRealOneof(field);
|
|
}
|
|
} // namespace
|
|
|
|
void ImmutableMessageGenerator::GenerateEqualsAndHashCode(
|
|
io::Printer* printer) {
|
|
printer->Print(
|
|
"@java.lang.Override\n"
|
|
"public boolean equals(");
|
|
printer->Print("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", name_resolver_->GetImmutableClassName(descriptor_));
|
|
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
const FieldDescriptor* field = descriptor_->field(i);
|
|
if (!IsRealOneof(field)) {
|
|
const FieldGeneratorInfo* info = context_->GetFieldGeneratorInfo(field);
|
|
bool check_has_bits = CheckHasBitsForEqualsAndHashCode(field);
|
|
if (check_has_bits) {
|
|
printer->Print(
|
|
"if (has$name$() != other.has$name$()) return false;\n"
|
|
"if (has$name$()) {\n",
|
|
"name", info->capitalized_name);
|
|
printer->Indent();
|
|
}
|
|
field_generators_.get(field).GenerateEqualsCode(printer);
|
|
if (check_has_bits) {
|
|
printer->Outdent();
|
|
printer->Print("}\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
// Compare oneofs.
|
|
for (auto oneof : oneofs_) {
|
|
printer->Print(
|
|
"if (!get$oneof_capitalized_name$Case().equals("
|
|
"other.get$oneof_capitalized_name$Case())) return false;\n",
|
|
"oneof_capitalized_name",
|
|
context_->GetOneofGeneratorInfo(oneof)->capitalized_name);
|
|
printer->Print("switch ($oneof_name$Case_) {\n", "oneof_name",
|
|
context_->GetOneofGeneratorInfo(oneof)->name);
|
|
printer->Indent();
|
|
for (int j = 0; j < (oneof)->field_count(); j++) {
|
|
const FieldDescriptor* field = (oneof)->field(j);
|
|
printer->Print("case $field_number$:\n", "field_number",
|
|
StrCat(field->number()));
|
|
printer->Indent();
|
|
field_generators_.get(field).GenerateEqualsCode(printer);
|
|
printer->Print("break;\n");
|
|
printer->Outdent();
|
|
}
|
|
printer->Print(
|
|
"case 0:\n"
|
|
"default:\n");
|
|
printer->Outdent();
|
|
printer->Print("}\n");
|
|
}
|
|
|
|
// Always consider unknown fields for equality. This will sometimes return
|
|
// false for non-canonical ordering when running in LITE_RUNTIME but it's
|
|
// the best we can do.
|
|
printer->Print(
|
|
"if (!unknownFields.equals(other.unknownFields)) return false;\n");
|
|
if (descriptor_->extension_range_count() > 0) {
|
|
printer->Print(
|
|
"if (!getExtensionFields().equals(other.getExtensionFields()))\n"
|
|
" return false;\n");
|
|
}
|
|
printer->Print("return true;\n");
|
|
printer->Outdent();
|
|
printer->Print(
|
|
"}\n"
|
|
"\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");
|
|
|
|
// If we output a getDescriptor() method, use that as it is more efficient.
|
|
if (descriptor_->options().no_standard_descriptor_accessor()) {
|
|
printer->Print("hash = (19 * hash) + getDescriptorForType().hashCode();\n");
|
|
} else {
|
|
printer->Print("hash = (19 * hash) + getDescriptor().hashCode();\n");
|
|
}
|
|
|
|
// hashCode non-oneofs.
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
const FieldDescriptor* field = descriptor_->field(i);
|
|
if (!IsRealOneof(field)) {
|
|
const FieldGeneratorInfo* info = context_->GetFieldGeneratorInfo(field);
|
|
bool check_has_bits = CheckHasBitsForEqualsAndHashCode(field);
|
|
if (check_has_bits) {
|
|
printer->Print("if (has$name$()) {\n", "name", info->capitalized_name);
|
|
printer->Indent();
|
|
}
|
|
field_generators_.get(field).GenerateHashCode(printer);
|
|
if (check_has_bits) {
|
|
printer->Outdent();
|
|
printer->Print("}\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
// hashCode oneofs.
|
|
for (auto oneof : oneofs_) {
|
|
printer->Print("switch ($oneof_name$Case_) {\n", "oneof_name",
|
|
context_->GetOneofGeneratorInfo(oneof)->name);
|
|
printer->Indent();
|
|
for (int j = 0; j < (oneof)->field_count(); j++) {
|
|
const FieldDescriptor* field = (oneof)->field(j);
|
|
printer->Print("case $field_number$:\n", "field_number",
|
|
StrCat(field->number()));
|
|
printer->Indent();
|
|
field_generators_.get(field).GenerateHashCode(printer);
|
|
printer->Print("break;\n");
|
|
printer->Outdent();
|
|
}
|
|
printer->Print(
|
|
"case 0:\n"
|
|
"default:\n");
|
|
printer->Outdent();
|
|
printer->Print("}\n");
|
|
}
|
|
|
|
if (descriptor_->extension_range_count() > 0) {
|
|
printer->Print("hash = hashFields(hash, getExtensionFields());\n");
|
|
}
|
|
|
|
printer->Print("hash = (29 * hash) + unknownFields.hashCode();\n");
|
|
printer->Print(
|
|
"memoizedHashCode = hash;\n"
|
|
"return hash;\n");
|
|
printer->Outdent();
|
|
printer->Print(
|
|
"}\n"
|
|
"\n");
|
|
}
|
|
|
|
// ===================================================================
|
|
|
|
void ImmutableMessageGenerator::GenerateExtensionRegistrationCode(
|
|
io::Printer* printer) {
|
|
for (int i = 0; i < descriptor_->extension_count(); i++) {
|
|
ImmutableExtensionGenerator(descriptor_->extension(i), context_)
|
|
.GenerateRegistrationCode(printer);
|
|
}
|
|
|
|
for (int i = 0; i < descriptor_->nested_type_count(); i++) {
|
|
ImmutableMessageGenerator(descriptor_->nested_type(i), context_)
|
|
.GenerateExtensionRegistrationCode(printer);
|
|
}
|
|
}
|
|
|
|
// ===================================================================
|
|
void ImmutableMessageGenerator::GenerateParsingConstructor(
|
|
io::Printer* printer) {
|
|
std::unique_ptr<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(
|
|
"this();\n"
|
|
"if (extensionRegistry == null) {\n"
|
|
" throw new java.lang.NullPointerException();\n"
|
|
"}\n");
|
|
|
|
// Use builder bits to track mutable repeated fields.
|
|
int totalBuilderBits = 0;
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
const ImmutableFieldGenerator& 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));
|
|
}
|
|
|
|
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");
|
|
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
const FieldDescriptor* field = sorted_fields[i];
|
|
uint32_t tag = WireFormatLite::MakeTag(
|
|
field->number(), WireFormat::WireTypeForFieldType(field->type()));
|
|
|
|
printer->Print("case $tag$: {\n", "tag",
|
|
StrCat(static_cast<int32_t>(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_t packed_tag = WireFormatLite::MakeTag(
|
|
field->number(), WireFormatLite::WIRETYPE_LENGTH_DELIMITED);
|
|
printer->Print("case $tag$: {\n", "tag",
|
|
StrCat(static_cast<int32_t>(packed_tag)));
|
|
printer->Indent();
|
|
|
|
field_generators_.get(field).GenerateParsingCodeFromPacked(printer);
|
|
|
|
printer->Outdent();
|
|
printer->Print(
|
|
" break;\n"
|
|
"}\n");
|
|
}
|
|
}
|
|
|
|
printer->Print(
|
|
"default: {\n"
|
|
" if (!parseUnknownField(\n"
|
|
" input, unknownFields, extensionRegistry, tag)) {\n"
|
|
" done = true;\n" // it's an endgroup tag
|
|
" }\n"
|
|
" 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).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.
|
|
printer->Print("this.unknownFields = unknownFields.build();\n");
|
|
|
|
// Make extensions immutable.
|
|
printer->Print("makeExtensionsImmutable();\n");
|
|
|
|
printer->Outdent();
|
|
printer->Outdent();
|
|
printer->Print(
|
|
" }\n" // finally
|
|
"}\n");
|
|
}
|
|
|
|
// ===================================================================
|
|
void ImmutableMessageGenerator::GenerateParser(io::Printer* printer) {
|
|
printer->Print(
|
|
"$visibility$ static final com.google.protobuf.Parser<$classname$>\n"
|
|
" PARSER = new com.google.protobuf.AbstractParser<$classname$>() {\n",
|
|
"visibility",
|
|
ExposePublicParser(descriptor_->file()) ? "@java.lang.Deprecated public"
|
|
: "private",
|
|
"classname", descriptor_->name());
|
|
printer->Indent();
|
|
printer->Print(
|
|
"@java.lang.Override\n"
|
|
"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 (context_->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(\n"
|
|
" builder.buildPartial());\n"
|
|
"}\n"
|
|
"return builder.buildPartial();\n");
|
|
printer->Outdent();
|
|
}
|
|
printer->Print("}\n");
|
|
printer->Outdent();
|
|
printer->Print(
|
|
"};\n"
|
|
"\n");
|
|
|
|
printer->Print(
|
|
"public static com.google.protobuf.Parser<$classname$> parser() {\n"
|
|
" return PARSER;\n"
|
|
"}\n"
|
|
"\n"
|
|
"@java.lang.Override\n"
|
|
"public com.google.protobuf.Parser<$classname$> getParserForType() {\n"
|
|
" return PARSER;\n"
|
|
"}\n"
|
|
"\n",
|
|
"classname", descriptor_->name());
|
|
}
|
|
|
|
// ===================================================================
|
|
void ImmutableMessageGenerator::GenerateInitializers(io::Printer* printer) {
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
if (!IsRealOneof(descriptor_->field(i))) {
|
|
field_generators_.get(descriptor_->field(i))
|
|
.GenerateInitializationCode(printer);
|
|
}
|
|
}
|
|
}
|
|
|
|
// ===================================================================
|
|
void ImmutableMessageGenerator::GenerateMutableCopy(io::Printer* printer) {
|
|
printer->Print(
|
|
"protected com.google.protobuf.MutableMessage\n"
|
|
" internalMutableDefault() {\n"
|
|
" return MutableDefaultLoader.get();\n"
|
|
"}\n"
|
|
"\n"
|
|
"private static final class MutableDefaultLoader {\n"
|
|
" private static final java.lang.Object defaultOrRuntimeException;\n"
|
|
" static {\n"
|
|
" java.lang.Object local;\n"
|
|
" try {\n"
|
|
" local = internalMutableDefault(\"$mutable_name$\");\n"
|
|
" } catch (java.lang.RuntimeException e) {\n"
|
|
" local = e;\n"
|
|
" }\n"
|
|
" defaultOrRuntimeException = local;\n"
|
|
" }\n"
|
|
"\n"
|
|
" private MutableDefaultLoader() {}\n"
|
|
"\n"
|
|
" public static com.google.protobuf.MutableMessage get() {\n"
|
|
" if (defaultOrRuntimeException\n"
|
|
" instanceof java.lang.RuntimeException) {\n"
|
|
" throw (java.lang.RuntimeException) defaultOrRuntimeException;\n"
|
|
" }\n"
|
|
" return\n"
|
|
" (com.google.protobuf.MutableMessage) "
|
|
"defaultOrRuntimeException;\n"
|
|
" }\n"
|
|
"}\n",
|
|
"mutable_name", name_resolver_->GetJavaMutableClassName(descriptor_));
|
|
}
|
|
|
|
void ImmutableMessageGenerator::GenerateKotlinDsl(io::Printer* printer) const {
|
|
printer->Print(
|
|
"@kotlin.OptIn"
|
|
"(com.google.protobuf.kotlin.OnlyForUseByGeneratedProtoCode::class)\n"
|
|
"@com.google.protobuf.kotlin.ProtoDslMarker\n");
|
|
printer->Print(
|
|
"public class Dsl private constructor(\n"
|
|
" private val _builder: $message$.Builder\n"
|
|
") {\n"
|
|
" public companion object {\n"
|
|
" @kotlin.jvm.JvmSynthetic\n"
|
|
" @kotlin.PublishedApi\n"
|
|
" internal fun _create(builder: $message$.Builder): Dsl = "
|
|
"Dsl(builder)\n"
|
|
" }\n"
|
|
"\n"
|
|
" @kotlin.jvm.JvmSynthetic\n"
|
|
" @kotlin.PublishedApi\n"
|
|
" internal fun _build(): $message$ = _builder.build()\n",
|
|
"message", name_resolver_->GetClassName(descriptor_, true));
|
|
|
|
printer->Indent();
|
|
|
|
for (int i = 0; i < descriptor_->field_count(); i++) {
|
|
printer->Print("\n");
|
|
field_generators_.get(descriptor_->field(i))
|
|
.GenerateKotlinDslMembers(printer);
|
|
}
|
|
|
|
for (auto oneof : oneofs_) {
|
|
printer->Print(
|
|
"public val $oneof_name$Case: $message$.$oneof_capitalized_name$Case\n"
|
|
" @JvmName(\"get$oneof_capitalized_name$Case\")\n"
|
|
" get() = _builder.get$oneof_capitalized_name$Case()\n\n"
|
|
"public fun clear$oneof_capitalized_name$() {\n"
|
|
" _builder.clear$oneof_capitalized_name$()\n"
|
|
"}\n",
|
|
"oneof_name", context_->GetOneofGeneratorInfo(oneof)->name,
|
|
"oneof_capitalized_name",
|
|
context_->GetOneofGeneratorInfo(oneof)->capitalized_name, "message",
|
|
name_resolver_->GetClassName(descriptor_, true));
|
|
}
|
|
|
|
if (descriptor_->extension_range_count() > 0) {
|
|
GenerateKotlinExtensions(printer);
|
|
}
|
|
|
|
printer->Outdent();
|
|
printer->Print("}\n");
|
|
}
|
|
|
|
void ImmutableMessageGenerator::GenerateKotlinMembers(
|
|
io::Printer* printer) const {
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"public inline fun $camelcase_name$(block: $message_kt$.Dsl.() -> "
|
|
"kotlin.Unit): "
|
|
"$message$ "
|
|
"=\n"
|
|
" $message_kt$.Dsl._create($message$.newBuilder()).apply { block() "
|
|
"}._build()\n",
|
|
"camelcase_name", name_resolver_->GetKotlinFactoryName(descriptor_),
|
|
"message_kt", name_resolver_->GetKotlinExtensionsClassName(descriptor_),
|
|
"message", name_resolver_->GetClassName(descriptor_, true));
|
|
|
|
printer->Print("public object $name$Kt {\n", "name", descriptor_->name());
|
|
printer->Indent();
|
|
GenerateKotlinDsl(printer);
|
|
for (int i = 0; i < descriptor_->nested_type_count(); i++) {
|
|
if (IsMapEntry(descriptor_->nested_type(i))) continue;
|
|
ImmutableMessageGenerator(descriptor_->nested_type(i), context_)
|
|
.GenerateKotlinMembers(printer);
|
|
}
|
|
printer->Outdent();
|
|
printer->Print("}\n");
|
|
}
|
|
|
|
void ImmutableMessageGenerator::GenerateTopLevelKotlinMembers(
|
|
io::Printer* printer) const {
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"public inline fun $message$.copy(block: $message_kt$.Dsl.() -> "
|
|
"kotlin.Unit): "
|
|
"$message$ =\n"
|
|
" $message_kt$.Dsl._create(this.toBuilder()).apply { block() "
|
|
"}._build()\n",
|
|
"message", name_resolver_->GetClassName(descriptor_, true), "message_kt",
|
|
name_resolver_->GetKotlinExtensionsClassName(descriptor_));
|
|
|
|
for (int i = 0; i < descriptor_->nested_type_count(); i++) {
|
|
if (IsMapEntry(descriptor_->nested_type(i))) continue;
|
|
ImmutableMessageGenerator(descriptor_->nested_type(i), context_)
|
|
.GenerateTopLevelKotlinMembers(printer);
|
|
}
|
|
}
|
|
|
|
void ImmutableMessageGenerator::GenerateKotlinExtensions(
|
|
io::Printer* printer) const {
|
|
std::string message_name = name_resolver_->GetClassName(descriptor_, true);
|
|
|
|
printer->Print(
|
|
"@Suppress(\"UNCHECKED_CAST\")\n"
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"public operator fun <T> get(extension: "
|
|
"com.google.protobuf.ExtensionLite<$message$, T>): T {\n"
|
|
" return if (extension.isRepeated) {\n"
|
|
" get(extension as com.google.protobuf.ExtensionLite<$message$, "
|
|
"List<*>>) as T\n"
|
|
" } else {\n"
|
|
" _builder.getExtension(extension)\n"
|
|
" }\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"@kotlin.OptIn"
|
|
"(com.google.protobuf.kotlin.OnlyForUseByGeneratedProtoCode::class)\n"
|
|
"@kotlin.jvm.JvmName(\"-getRepeatedExtension\")\n"
|
|
"public operator fun <E> get(\n"
|
|
" extension: com.google.protobuf.ExtensionLite<$message$, List<E>>\n"
|
|
"): com.google.protobuf.kotlin.ExtensionList<E, $message$> {\n"
|
|
" return com.google.protobuf.kotlin.ExtensionList(extension, "
|
|
"_builder.getExtension(extension))\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"public operator fun contains(extension: "
|
|
"com.google.protobuf.ExtensionLite<$message$, *>): "
|
|
"Boolean {\n"
|
|
" return _builder.hasExtension(extension)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"public fun clear(extension: "
|
|
"com.google.protobuf.ExtensionLite<$message$, *>) "
|
|
"{\n"
|
|
" _builder.clearExtension(extension)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"@kotlin.PublishedApi\n"
|
|
"internal fun <T> setExtension(extension: "
|
|
"com.google.protobuf.ExtensionLite<$message$, T>, "
|
|
"value: T) {\n"
|
|
" _builder.setExtension(extension, value)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"@Suppress(\"NOTHING_TO_INLINE\")\n"
|
|
"public inline operator fun <T : Comparable<T>> set(\n"
|
|
" extension: com.google.protobuf.ExtensionLite<$message$, T>,\n"
|
|
" value: T\n"
|
|
") {\n"
|
|
" setExtension(extension, value)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"@Suppress(\"NOTHING_TO_INLINE\")\n"
|
|
"public inline operator fun set(\n"
|
|
" extension: com.google.protobuf.ExtensionLite<$message$, "
|
|
"com.google.protobuf.ByteString>,\n"
|
|
" value: com.google.protobuf.ByteString\n"
|
|
") {\n"
|
|
" setExtension(extension, value)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"@Suppress(\"NOTHING_TO_INLINE\")\n"
|
|
"public inline operator fun <T : com.google.protobuf.MessageLite> set(\n"
|
|
" extension: com.google.protobuf.ExtensionLite<$message$, T>,\n"
|
|
" value: T\n"
|
|
") {\n"
|
|
" setExtension(extension, value)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"public fun <E> com.google.protobuf.kotlin.ExtensionList<E, "
|
|
"$message$>.add(value: E) {\n"
|
|
" _builder.addExtension(this.extension, value)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"@Suppress(\"NOTHING_TO_INLINE\")\n"
|
|
"public inline operator fun <E> "
|
|
"com.google.protobuf.kotlin.ExtensionList<E, "
|
|
"$message$>.plusAssign"
|
|
"(value: E) {\n"
|
|
" add(value)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"public fun <E> com.google.protobuf.kotlin.ExtensionList<E, "
|
|
"$message$>.addAll(values: Iterable<E>) {\n"
|
|
" for (value in values) {\n"
|
|
" add(value)\n"
|
|
" }\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"@Suppress(\"NOTHING_TO_INLINE\")\n"
|
|
"public inline operator fun <E> "
|
|
"com.google.protobuf.kotlin.ExtensionList<E, "
|
|
"$message$>.plusAssign(values: "
|
|
"Iterable<E>) {\n"
|
|
" addAll(values)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"public operator fun <E> com.google.protobuf.kotlin.ExtensionList<E, "
|
|
"$message$>.set(index: Int, value: "
|
|
"E) {\n"
|
|
" _builder.setExtension(this.extension, index, value)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
|
|
printer->Print(
|
|
"@kotlin.jvm.JvmSynthetic\n"
|
|
"@Suppress(\"NOTHING_TO_INLINE\")\n"
|
|
"public inline fun com.google.protobuf.kotlin.ExtensionList<*, "
|
|
"$message$>.clear() {\n"
|
|
" clear(extension)\n"
|
|
"}\n\n",
|
|
"message", message_name);
|
|
}
|
|
|
|
void ImmutableMessageGenerator::GenerateAnyMethods(io::Printer* printer) {
|
|
printer->Print(
|
|
"private static String getTypeUrl(\n"
|
|
" java.lang.String typeUrlPrefix,\n"
|
|
" com.google.protobuf.Descriptors.Descriptor descriptor) {\n"
|
|
" return typeUrlPrefix.endsWith(\"/\")\n"
|
|
" ? typeUrlPrefix + descriptor.getFullName()\n"
|
|
" : typeUrlPrefix + \"/\" + descriptor.getFullName();\n"
|
|
"}\n"
|
|
"\n"
|
|
"private static String getTypeNameFromTypeUrl(\n"
|
|
" java.lang.String typeUrl) {\n"
|
|
" int pos = typeUrl.lastIndexOf('/');\n"
|
|
" return pos == -1 ? \"\" : typeUrl.substring(pos + 1);\n"
|
|
"}\n"
|
|
"\n"
|
|
"public static <T extends com.google.protobuf.Message> Any pack(\n"
|
|
" T message) {\n"
|
|
" return Any.newBuilder()\n"
|
|
" .setTypeUrl(getTypeUrl(\"type.googleapis.com\",\n"
|
|
" message.getDescriptorForType()))\n"
|
|
" .setValue(message.toByteString())\n"
|
|
" .build();\n"
|
|
"}\n"
|
|
"\n"
|
|
"/**\n"
|
|
" * Packs a message using the given type URL prefix. The type URL will\n"
|
|
" * be constructed by concatenating the message type's full name to the\n"
|
|
" * prefix with an optional \"/\" separator if the prefix doesn't end\n"
|
|
" * with \"/\" already.\n"
|
|
" */\n"
|
|
"public static <T extends com.google.protobuf.Message> Any pack(\n"
|
|
" T message, java.lang.String typeUrlPrefix) {\n"
|
|
" return Any.newBuilder()\n"
|
|
" .setTypeUrl(getTypeUrl(typeUrlPrefix,\n"
|
|
" message.getDescriptorForType()))\n"
|
|
" .setValue(message.toByteString())\n"
|
|
" .build();\n"
|
|
"}\n"
|
|
"\n"
|
|
"public <T extends com.google.protobuf.Message> boolean is(\n"
|
|
" java.lang.Class<T> clazz) {\n"
|
|
" T defaultInstance =\n"
|
|
" com.google.protobuf.Internal.getDefaultInstance(clazz);\n"
|
|
" return getTypeNameFromTypeUrl(getTypeUrl()).equals(\n"
|
|
" defaultInstance.getDescriptorForType().getFullName());\n"
|
|
"}\n"
|
|
"\n"
|
|
"private volatile com.google.protobuf.Message cachedUnpackValue;\n"
|
|
"\n"
|
|
"@java.lang.SuppressWarnings(\"unchecked\")\n"
|
|
"public <T extends com.google.protobuf.Message> T unpack(\n"
|
|
" java.lang.Class<T> clazz)\n"
|
|
" throws com.google.protobuf.InvalidProtocolBufferException {\n"
|
|
" boolean invalidClazz = false;\n"
|
|
" if (cachedUnpackValue != null) {\n"
|
|
" if (cachedUnpackValue.getClass() == clazz) {\n"
|
|
" return (T) cachedUnpackValue;\n"
|
|
" }\n"
|
|
" invalidClazz = true;\n"
|
|
" }\n"
|
|
" if (invalidClazz || !is(clazz)) {\n"
|
|
" throw new com.google.protobuf.InvalidProtocolBufferException(\n"
|
|
" \"Type of the Any message does not match the given class.\");\n"
|
|
" }\n"
|
|
" T defaultInstance =\n"
|
|
" com.google.protobuf.Internal.getDefaultInstance(clazz);\n"
|
|
" T result = (T) defaultInstance.getParserForType()\n"
|
|
" .parseFrom(getValue());\n"
|
|
" cachedUnpackValue = result;\n"
|
|
" return result;\n"
|
|
"}\n");
|
|
}
|
|
|
|
} // namespace java
|
|
} // namespace compiler
|
|
} // namespace protobuf
|
|
} // namespace google
|