| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // https://developers.google.com/protocol-buffers/ |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // Author: dweis@google.com (Daniel Weis) |
| // Based on original Protocol Buffers design by |
| // Sanjay Ghemawat, Jeff Dean, and others. |
| |
| #include "google/protobuf/compiler/java/message_lite.h" |
| |
| #include <algorithm> |
| #include <cstdint> |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "absl/container/flat_hash_map.h" |
| #include "absl/strings/ascii.h" |
| #include "absl/strings/str_cat.h" |
| #include "absl/strings/substitute.h" |
| #include "google/protobuf/compiler/java/context.h" |
| #include "google/protobuf/compiler/java/doc_comment.h" |
| #include "google/protobuf/compiler/java/enum_lite.h" |
| #include "google/protobuf/compiler/java/extension_lite.h" |
| #include "google/protobuf/compiler/java/generator_factory.h" |
| #include "google/protobuf/compiler/java/helpers.h" |
| #include "google/protobuf/compiler/java/message_builder.h" |
| #include "google/protobuf/compiler/java/message_builder_lite.h" |
| #include "google/protobuf/compiler/java/name_resolver.h" |
| #include "google/protobuf/descriptor.pb.h" |
| #include "google/protobuf/io/coded_stream.h" |
| #include "google/protobuf/io/printer.h" |
| #include "google/protobuf/wire_format.h" |
| |
| // Must be last. |
| #include "google/protobuf/port_def.inc" |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace java { |
| |
| using internal::WireFormat; |
| using internal::WireFormatLite; |
| |
| // =================================================================== |
| ImmutableMessageLiteGenerator::ImmutableMessageLiteGenerator( |
| const Descriptor* descriptor, Context* context) |
| : MessageGenerator(descriptor), |
| context_(context), |
| name_resolver_(context->GetNameResolver()), |
| field_generators_(descriptor, context_) { |
| ABSL_CHECK(!HasDescriptorMethods(descriptor->file(), context->EnforceLite())) |
| << "Generator factory error: A lite message generator is used to " |
| "generate non-lite messages."; |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| if (IsRealOneof(descriptor_->field(i))) { |
| const OneofDescriptor* oneof = descriptor_->field(i)->containing_oneof(); |
| ABSL_CHECK(oneofs_.emplace(oneof->index(), oneof).first->second == oneof); |
| } |
| } |
| } |
| |
| ImmutableMessageLiteGenerator::~ImmutableMessageLiteGenerator() {} |
| |
| void ImmutableMessageLiteGenerator::GenerateStaticVariables( |
| io::Printer* printer, int* bytecode_estimate) { |
| // Generate static members for all nested types. |
| for (int i = 0; i < descriptor_->nested_type_count(); i++) { |
| // TODO(kenton): Reuse MessageGenerator objects? |
| ImmutableMessageLiteGenerator(descriptor_->nested_type(i), context_) |
| .GenerateStaticVariables(printer, bytecode_estimate); |
| } |
| } |
| |
| int ImmutableMessageLiteGenerator::GenerateStaticVariableInitializers( |
| io::Printer* printer) { |
| int bytecode_estimate = 0; |
| // Generate static member initializers for all nested types. |
| for (int i = 0; i < descriptor_->nested_type_count(); i++) { |
| // TODO(kenton): Reuse MessageGenerator objects? |
| bytecode_estimate += |
| ImmutableMessageLiteGenerator(descriptor_->nested_type(i), context_) |
| .GenerateStaticVariableInitializers(printer); |
| } |
| return bytecode_estimate; |
| } |
| |
| // =================================================================== |
| |
| void ImmutableMessageLiteGenerator::GenerateInterface(io::Printer* printer) { |
| MaybePrintGeneratedAnnotation(context_, printer, descriptor_, |
| /* immutable = */ true, "OrBuilder"); |
| |
| absl::flat_hash_map<absl::string_view, std::string> variables = { |
| {"{", ""}, |
| {"}", ""}, |
| {"deprecation", |
| descriptor_->options().deprecated() ? "@java.lang.Deprecated " : ""}, |
| {"extra_interfaces", ExtraMessageOrBuilderInterfaces(descriptor_)}, |
| {"classname", descriptor_->name()}, |
| }; |
| |
| if (!context_->options().opensource_runtime) { |
| printer->Print("@com.google.protobuf.Internal.ProtoNonnullApi\n"); |
| } |
| if (descriptor_->extension_range_count() > 0) { |
| printer->Print( |
| variables, |
| "$deprecation$public interface ${$$classname$OrBuilder$}$ extends \n" |
| " $extra_interfaces$\n" |
| " com.google.protobuf.GeneratedMessageLite.\n" |
| " ExtendableMessageOrBuilder<\n" |
| " $classname$, $classname$.Builder> {\n"); |
| } else { |
| printer->Print( |
| variables, |
| "$deprecation$public interface ${$$classname$OrBuilder$}$ extends\n" |
| " $extra_interfaces$\n" |
| " com.google.protobuf.MessageLiteOrBuilder {\n"); |
| } |
| printer->Annotate("{", "}", descriptor_); |
| |
| printer->Indent(); |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| printer->Print("\n"); |
| field_generators_.get(descriptor_->field(i)) |
| .GenerateInterfaceMembers(printer); |
| } |
| for (auto& kv : oneofs_) { |
| const OneofDescriptor* oneof = kv.second; |
| variables["oneof_capitalized_name"] = |
| context_->GetOneofGeneratorInfo(oneof)->capitalized_name; |
| variables["classname"] = |
| context_->GetNameResolver()->GetImmutableClassName(descriptor_); |
| printer->Print(variables, |
| "\n" |
| "public ${$$classname$.$oneof_capitalized_name$Case$}$ " |
| "get$oneof_capitalized_name$Case();\n"); |
| printer->Annotate("{", "}", oneof); |
| } |
| printer->Outdent(); |
| |
| printer->Print("}\n"); |
| } |
| |
| // =================================================================== |
| |
| void ImmutableMessageLiteGenerator::Generate(io::Printer* printer) { |
| bool is_own_file = IsOwnFile(descriptor_, /* immutable = */ true); |
| |
| absl::flat_hash_map<absl::string_view, std::string> variables = {{"{", ""}, |
| {"}", ""}}; |
| variables["static"] = is_own_file ? " " : " static "; |
| variables["classname"] = descriptor_->name(); |
| variables["extra_interfaces"] = ExtraMessageInterfaces(descriptor_); |
| variables["deprecation"] = |
| descriptor_->options().deprecated() ? "@java.lang.Deprecated " : ""; |
| |
| WriteMessageDocComment(printer, descriptor_); |
| MaybePrintGeneratedAnnotation(context_, printer, descriptor_, |
| /* immutable = */ true); |
| |
| |
| // The builder_type stores the super type name of the nested Builder class. |
| std::string builder_type; |
| if (descriptor_->extension_range_count() > 0) { |
| printer->Print( |
| variables, |
| "$deprecation$public $static$final class ${$$classname$$}$ extends\n" |
| " com.google.protobuf.GeneratedMessageLite.ExtendableMessage<\n" |
| " $classname$, $classname$.Builder> implements\n" |
| " $extra_interfaces$\n" |
| " $classname$OrBuilder {\n"); |
| builder_type = absl::Substitute( |
| "com.google.protobuf.GeneratedMessageLite.ExtendableBuilder<$0, ?>", |
| name_resolver_->GetImmutableClassName(descriptor_)); |
| } else { |
| printer->Print( |
| variables, |
| "$deprecation$public $static$final class ${$$classname$$}$ extends\n" |
| " com.google.protobuf.GeneratedMessageLite<\n" |
| " $classname$, $classname$.Builder> implements\n" |
| " $extra_interfaces$\n" |
| " $classname$OrBuilder {\n"); |
| |
| builder_type = "com.google.protobuf.GeneratedMessageLite.Builder"; |
| } |
| printer->Annotate("{", "}", descriptor_); |
| printer->Indent(); |
| |
| GenerateConstructor(printer); |
| |
| // Nested types |
| for (int i = 0; i < descriptor_->enum_type_count(); i++) { |
| EnumLiteGenerator(descriptor_->enum_type(i), true, context_) |
| .Generate(printer); |
| } |
| |
| for (int i = 0; i < descriptor_->nested_type_count(); i++) { |
| // Don't generate Java classes for map entry messages. |
| if (IsMapEntry(descriptor_->nested_type(i))) continue; |
| ImmutableMessageLiteGenerator messageGenerator(descriptor_->nested_type(i), |
| context_); |
| 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)); |
| } |
| |
| // oneof |
| absl::flat_hash_map<absl::string_view, std::string> vars = {{"{", ""}, |
| {"}", ""}}; |
| for (auto& kv : oneofs_) { |
| const OneofDescriptor* oneof = kv.second; |
| vars["oneof_name"] = context_->GetOneofGeneratorInfo(oneof)->name; |
| vars["oneof_capitalized_name"] = |
| context_->GetOneofGeneratorInfo(oneof)->capitalized_name; |
| vars["oneof_index"] = absl::StrCat((oneof)->index()); |
| if (context_->options().opensource_runtime) { |
| // oneofCase_ and oneof_ |
| printer->Print(vars, |
| "private int $oneof_name$Case_ = 0;\n" |
| "private java.lang.Object $oneof_name$_;\n"); |
| } |
| // OneofCase enum |
| printer->Print(vars, "public enum ${$$oneof_capitalized_name$Case$}$ {\n"); |
| printer->Annotate("{", "}", oneof); |
| printer->Indent(); |
| for (int j = 0; j < (oneof)->field_count(); j++) { |
| const FieldDescriptor* field = (oneof)->field(j); |
| printer->Print("$field_name$($field_number$),\n", "field_name", |
| absl::AsciiStrToUpper(field->name()), "field_number", |
| absl::StrCat(field->number())); |
| printer->Annotate("field_name", field); |
| } |
| printer->Print("$cap_oneof_name$_NOT_SET(0);\n", "cap_oneof_name", |
| absl::AsciiStrToUpper(vars["oneof_name"])); |
| printer->Print(vars, |
| "private final int value;\n" |
| "private $oneof_capitalized_name$Case(int value) {\n" |
| " this.value = value;\n" |
| "}\n"); |
| if (context_->options().opensource_runtime) { |
| printer->Print( |
| vars, |
| "/**\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"); |
| } |
| printer->Print( |
| vars, |
| "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", absl::StrCat(field->number()), |
| "field_name", absl::AsciiStrToUpper(field->name())); |
| } |
| printer->Print( |
| " case 0: return $cap_oneof_name$_NOT_SET;\n" |
| " default: return null;\n" |
| " }\n" |
| "}\n" |
| // TODO(b/135620659): Rename this to "getFieldNumber" or something to |
| // disambiguate it from actual proto enums. |
| "public int getNumber() {\n" |
| " return this.value;\n" |
| "}\n", |
| "cap_oneof_name", absl::AsciiStrToUpper(vars["oneof_name"])); |
| printer->Outdent(); |
| printer->Print("};\n\n"); |
| // oneofCase() |
| printer->Print(vars, |
| "@java.lang.Override\n" |
| "public $oneof_capitalized_name$Case\n" |
| "${$get$oneof_capitalized_name$Case$}$() {\n" |
| " return $oneof_capitalized_name$Case.forNumber(\n" |
| " $oneof_name$Case_);\n" |
| "}\n"); |
| printer->Annotate("{", "}", oneof); |
| printer->Print(vars, |
| "\n" |
| "private void ${$clear$oneof_capitalized_name$$}$() {\n" |
| " $oneof_name$Case_ = 0;\n" |
| " $oneof_name$_ = null;\n" |
| "}\n" |
| "\n"); |
| printer->Annotate("{", "}", oneof); |
| } |
| |
| // 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", absl::StrCat(descriptor_->field(i)->number())); |
| printer->Annotate("constant_name", descriptor_->field(i)); |
| field_generators_.get(descriptor_->field(i)).GenerateMembers(printer); |
| printer->Print("\n"); |
| } |
| |
| GenerateParseFromMethods(printer); |
| GenerateBuilder(printer); |
| |
| if (HasRequiredFields(descriptor_)) { |
| // Memoizes whether the protocol buffer is fully initialized (has all |
| // required fields). 0 means false, 1 means true, and all other values |
| // mean not yet computed. |
| printer->Print("private byte memoizedIsInitialized = 2;\n"); |
| } |
| |
| printer->Print( |
| "@java.lang.Override\n" |
| "@java.lang.SuppressWarnings({\"unchecked\", \"fallthrough\"})\n" |
| "protected final java.lang.Object dynamicMethod(\n" |
| " com.google.protobuf.GeneratedMessageLite.MethodToInvoke method,\n" |
| " java.lang.Object arg0, java.lang.Object arg1) {\n" |
| " switch (method) {\n" |
| " case NEW_MUTABLE_INSTANCE: {\n" |
| " return new $classname$();\n" |
| " }\n", |
| "classname", name_resolver_->GetImmutableClassName(descriptor_)); |
| |
| printer->Indent(); |
| printer->Indent(); |
| |
| printer->Print("case NEW_BUILDER: {\n"); |
| |
| printer->Indent(); |
| GenerateDynamicMethodNewBuilder(printer); |
| printer->Outdent(); |
| |
| printer->Print( |
| "}\n" |
| "case BUILD_MESSAGE_INFO: {\n"); |
| |
| printer->Indent(); |
| GenerateDynamicMethodNewBuildMessageInfo(printer); |
| printer->Outdent(); |
| |
| printer->Print( |
| "}\n" |
| "// fall through\n" |
| "case GET_DEFAULT_INSTANCE: {\n" |
| " return DEFAULT_INSTANCE;\n" |
| "}\n" |
| "case GET_PARSER: {\n" |
| // Generally one would use the lazy initialization holder pattern for |
| // manipulating static fields but that has exceptional cost on Android as |
| // it will generate an extra class for every message. Instead, use the |
| // double-check locking pattern which works just as well. |
| // |
| // The "parser" temporary mirrors the "PARSER" field to eliminate a read |
| // at the final return statement. |
| " com.google.protobuf.Parser<$classname$> parser = PARSER;\n" |
| " if (parser == null) {\n" |
| " synchronized ($classname$.class) {\n" |
| " parser = PARSER;\n" |
| " if (parser == null) {\n" |
| " parser =\n" |
| " new DefaultInstanceBasedParser<$classname$>(\n" |
| " DEFAULT_INSTANCE);\n" |
| " PARSER = parser;\n" |
| " }\n" |
| " }\n" |
| " }\n" |
| " return parser;\n", |
| "classname", name_resolver_->GetImmutableClassName(descriptor_)); |
| |
| printer->Outdent(); |
| |
| if (HasRequiredFields(descriptor_)) { |
| printer->Print( |
| "}\n" |
| "case GET_MEMOIZED_IS_INITIALIZED: {\n" |
| " return memoizedIsInitialized;\n" |
| "}\n" |
| "case SET_MEMOIZED_IS_INITIALIZED: {\n" |
| " memoizedIsInitialized = (byte) (arg0 == null ? 0 : 1);\n" |
| " return null;\n" |
| "}\n"); |
| } else { |
| printer->Print( |
| "}\n" |
| "case GET_MEMOIZED_IS_INITIALIZED: {\n" |
| " return (byte) 1;\n" |
| "}\n" |
| "case SET_MEMOIZED_IS_INITIALIZED: {\n" |
| " return null;\n" |
| "}\n"); |
| } |
| |
| printer->Outdent(); |
| printer->Print( |
| " }\n" |
| " throw new UnsupportedOperationException();\n" |
| "}\n" |
| "\n", |
| "classname", name_resolver_->GetImmutableClassName(descriptor_)); |
| |
| 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" |
| " $classname$ defaultInstance = new $classname$();\n" |
| " // New instances are implicitly immutable so no need to make\n" |
| " // immutable.\n" |
| " DEFAULT_INSTANCE = defaultInstance;\n" |
| // Register the default instance in a map. This map will be used by |
| // experimental runtime to lookup default instance given a class instance |
| // without using Java reflection. |
| " com.google.protobuf.GeneratedMessageLite.registerDefaultInstance(\n" |
| " $classname$.class, defaultInstance);\n" |
| "}\n" |
| "\n", |
| "classname", descriptor_->name()); |
| |
| 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); |
| |
| // 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++) { |
| ImmutableExtensionLiteGenerator(descriptor_->extension(i), context_) |
| .Generate(printer); |
| } |
| |
| printer->Outdent(); |
| printer->Print("}\n\n"); |
| } |
| |
| void ImmutableMessageLiteGenerator::GenerateDynamicMethodNewBuildMessageInfo( |
| io::Printer* printer) { |
| printer->Indent(); |
| |
| // Collect field info into a sequence of UTF-16 chars. It will be embedded |
| // as a Java string in the generated code. |
| std::vector<uint16_t> chars; |
| |
| int flags = 0; |
| if (IsProto2(descriptor_->file())) { |
| flags |= 0x1; |
| } |
| if (descriptor_->options().message_set_wire_format()) { |
| flags |= 0x2; |
| } |
| WriteIntToUtf16CharSequence(flags, &chars); |
| WriteIntToUtf16CharSequence(descriptor_->field_count(), &chars); |
| |
| if (descriptor_->field_count() == 0) { |
| printer->Print("java.lang.Object[] objects = null;"); |
| } else { |
| // A single array of all fields (including oneof, oneofCase, hasBits). |
| printer->Print("java.lang.Object[] objects = new java.lang.Object[] {\n"); |
| printer->Indent(); |
| |
| // Record the number of oneofs. |
| WriteIntToUtf16CharSequence(oneofs_.size(), &chars); |
| for (auto& kv : oneofs_) { |
| printer->Print( |
| "\"$oneof_name$_\",\n" |
| "\"$oneof_name$Case_\",\n", |
| "oneof_name", context_->GetOneofGeneratorInfo(kv.second)->name); |
| } |
| |
| // Integers for bit fields. |
| int total_bits = 0; |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| total_bits += |
| field_generators_.get(descriptor_->field(i)).GetNumBitsForMessage(); |
| } |
| int total_ints = (total_bits + 31) / 32; |
| for (int i = 0; i < total_ints; i++) { |
| printer->Print("\"$bit_field_name$\",\n", "bit_field_name", |
| GetBitFieldName(i)); |
| } |
| WriteIntToUtf16CharSequence(total_ints, &chars); |
| |
| int map_count = 0; |
| int repeated_count = 0; |
| std::unique_ptr<const FieldDescriptor*[]> sorted_fields( |
| SortFieldsByNumber(descriptor_)); |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| const FieldDescriptor* field = sorted_fields[i]; |
| if (field->is_map()) { |
| map_count++; |
| } else if (field->is_repeated()) { |
| repeated_count++; |
| } |
| } |
| |
| WriteIntToUtf16CharSequence(sorted_fields[0]->number(), &chars); |
| WriteIntToUtf16CharSequence( |
| sorted_fields[descriptor_->field_count() - 1]->number(), &chars); |
| WriteIntToUtf16CharSequence(descriptor_->field_count(), &chars); |
| WriteIntToUtf16CharSequence(map_count, &chars); |
| WriteIntToUtf16CharSequence(repeated_count, &chars); |
| |
| std::vector<const FieldDescriptor*> fields_for_is_initialized_check; |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| if (descriptor_->field(i)->is_required() || |
| (GetJavaType(descriptor_->field(i)) == JAVATYPE_MESSAGE && |
| HasRequiredFields(descriptor_->field(i)->message_type()))) { |
| fields_for_is_initialized_check.push_back(descriptor_->field(i)); |
| } |
| } |
| WriteIntToUtf16CharSequence(fields_for_is_initialized_check.size(), &chars); |
| |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| const FieldDescriptor* field = sorted_fields[i]; |
| field_generators_.get(field).GenerateFieldInfo(printer, &chars); |
| } |
| printer->Outdent(); |
| printer->Print("};\n"); |
| } |
| |
| printer->Print("java.lang.String info =\n"); |
| std::string line; |
| for (size_t i = 0; i < chars.size(); i++) { |
| uint16_t code = chars[i]; |
| EscapeUtf16ToString(code, &line); |
| if (line.size() >= 80) { |
| printer->Print(" \"$string$\" +\n", "string", line); |
| line.clear(); |
| } |
| } |
| printer->Print(" \"$string$\";\n", "string", line); |
| |
| printer->Print("return newMessageInfo(DEFAULT_INSTANCE, info, objects);\n"); |
| printer->Outdent(); |
| } |
| |
| // =================================================================== |
| |
| void ImmutableMessageLiteGenerator::GenerateParseFromMethods( |
| io::Printer* printer) { |
| printer->Print( |
| "public static $classname$ parseFrom(\n" |
| " java.nio.ByteBuffer data)\n" |
| " throws com.google.protobuf.InvalidProtocolBufferException {\n" |
| " return com.google.protobuf.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, 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 com.google.protobuf.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, data, extensionRegistry);\n" |
| "}\n" |
| "public static $classname$ parseFrom(\n" |
| " com.google.protobuf.ByteString data)\n" |
| " throws com.google.protobuf.InvalidProtocolBufferException {\n" |
| " return com.google.protobuf.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, 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 com.google.protobuf.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, data, extensionRegistry);\n" |
| "}\n" |
| "public static $classname$ parseFrom(byte[] data)\n" |
| " throws com.google.protobuf.InvalidProtocolBufferException {\n" |
| " return com.google.protobuf.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, data);\n" |
| "}\n" |
| "public static $classname$ parseFrom(\n" |
| " byte[] data,\n" |
| " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n" |
| " throws com.google.protobuf.InvalidProtocolBufferException {\n" |
| " return com.google.protobuf.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, data, extensionRegistry);\n" |
| "}\n" |
| "public static $classname$ parseFrom(java.io.InputStream input)\n" |
| " throws java.io.IOException {\n" |
| " return com.google.protobuf.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, 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.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, input, extensionRegistry);\n" |
| "}\n" |
| "public static $classname$ parseDelimitedFrom(java.io.InputStream " |
| "input)\n" |
| " throws java.io.IOException {\n" |
| " return parseDelimitedFrom(DEFAULT_INSTANCE, 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 parseDelimitedFrom(DEFAULT_INSTANCE, input, " |
| "extensionRegistry);\n" |
| "}\n" |
| "public static $classname$ parseFrom(\n" |
| " com.google.protobuf.CodedInputStream input)\n" |
| " throws java.io.IOException {\n" |
| " return com.google.protobuf.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, 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.GeneratedMessageLite.parseFrom(\n" |
| " DEFAULT_INSTANCE, input, extensionRegistry);\n" |
| "}\n" |
| "\n", |
| "classname", name_resolver_->GetImmutableClassName(descriptor_)); |
| } |
| |
| // =================================================================== |
| |
| void ImmutableMessageLiteGenerator::GenerateBuilder(io::Printer* printer) { |
| printer->Print( |
| "public static Builder newBuilder() {\n" |
| " return (Builder) DEFAULT_INSTANCE.createBuilder();\n" |
| "}\n" |
| "public static Builder newBuilder($classname$ prototype) {\n" |
| " return (Builder) DEFAULT_INSTANCE.createBuilder(prototype);\n" |
| "}\n" |
| "\n", |
| "classname", name_resolver_->GetImmutableClassName(descriptor_)); |
| |
| MessageBuilderLiteGenerator builderGenerator(descriptor_, context_); |
| builderGenerator.Generate(printer); |
| } |
| |
| // =================================================================== |
| |
| void ImmutableMessageLiteGenerator::GenerateDynamicMethodNewBuilder( |
| io::Printer* printer) { |
| printer->Print("return new Builder();\n"); |
| } |
| |
| // =================================================================== |
| |
| void ImmutableMessageLiteGenerator::GenerateExtensionRegistrationCode( |
| io::Printer* printer) { |
| for (int i = 0; i < descriptor_->extension_count(); i++) { |
| ImmutableExtensionLiteGenerator(descriptor_->extension(i), context_) |
| .GenerateRegistrationCode(printer); |
| } |
| |
| for (int i = 0; i < descriptor_->nested_type_count(); i++) { |
| ImmutableMessageLiteGenerator(descriptor_->nested_type(i), context_) |
| .GenerateExtensionRegistrationCode(printer); |
| } |
| } |
| |
| // =================================================================== |
| void ImmutableMessageLiteGenerator::GenerateConstructor(io::Printer* printer) { |
| printer->Print("private $classname$() {\n", "classname", descriptor_->name()); |
| printer->Indent(); |
| |
| // Initialize all fields to default. |
| GenerateInitializers(printer); |
| |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| // =================================================================== |
| void ImmutableMessageLiteGenerator::GenerateParser(io::Printer* printer) { |
| printer->Print( |
| "private static volatile com.google.protobuf.Parser<$classname$> " |
| "PARSER;\n" |
| "\n" |
| "public static com.google.protobuf.Parser<$classname$> parser() {\n" |
| " return DEFAULT_INSTANCE.getParserForType();\n" |
| "}\n", |
| "classname", descriptor_->name()); |
| } |
| |
| // =================================================================== |
| void ImmutableMessageLiteGenerator::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 ImmutableMessageLiteGenerator::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", |
| EscapeKotlinKeywords(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& kv : oneofs_) { |
| const OneofDescriptor* oneof = kv.second; |
| 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", |
| EscapeKotlinKeywords(name_resolver_->GetClassName(descriptor_, true))); |
| } |
| |
| if (descriptor_->extension_range_count() > 0) { |
| GenerateKotlinExtensions(printer); |
| } |
| |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| void ImmutableMessageLiteGenerator::GenerateKotlinMembers( |
| io::Printer* printer) const { |
| printer->Print("@kotlin.jvm.JvmName(\"-initialize$camelcase_name$\")\n", |
| "camelcase_name", |
| name_resolver_->GetKotlinFactoryName(descriptor_)); |
| |
| printer->Print( |
| "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", |
| EscapeKotlinKeywords( |
| name_resolver_->GetKotlinExtensionsClassName(descriptor_)), |
| "message", |
| EscapeKotlinKeywords(name_resolver_->GetClassName(descriptor_, true))); |
| |
| WriteMessageDocComment(printer, descriptor_, /* kdoc */ 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; |
| ImmutableMessageLiteGenerator(descriptor_->nested_type(i), context_) |
| .GenerateKotlinMembers(printer); |
| } |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| void ImmutableMessageLiteGenerator::GenerateTopLevelKotlinMembers( |
| io::Printer* printer) const { |
| printer->Print( |
| "public inline fun $message$.copy(block: $message_kt$.Dsl.() -> " |
| "kotlin.Unit): $message$ =\n" |
| " $message_kt$.Dsl._create(this.toBuilder()).apply { block() " |
| "}._build()\n\n", |
| "message", |
| EscapeKotlinKeywords(name_resolver_->GetClassName(descriptor_, true)), |
| "message_kt", |
| EscapeKotlinKeywords( |
| name_resolver_->GetKotlinExtensionsClassName(descriptor_))); |
| |
| for (int i = 0; i < descriptor_->nested_type_count(); i++) { |
| if (IsMapEntry(descriptor_->nested_type(i))) continue; |
| ImmutableMessageLiteGenerator(descriptor_->nested_type(i), context_) |
| .GenerateTopLevelKotlinMembers(printer); |
| } |
| |
| GenerateKotlinOrNull(printer); |
| } |
| |
| void ImmutableMessageLiteGenerator::GenerateKotlinOrNull(io::Printer* printer) const { |
| // Generate getFieldOrNull getters for all optional message fields. |
| for (int i = 0; i < descriptor_->field_count(); i++) { |
| const FieldDescriptor* field = descriptor_->field(i); |
| if (field->has_presence() && GetJavaType(field) == JAVATYPE_MESSAGE) { |
| printer->Print( |
| "public val $full_classname$OrBuilder.$camelcase_name$OrNull: " |
| "$full_name$?\n" |
| " get() = if (has$name$()) get$name$() else null\n\n", |
| "full_classname", |
| EscapeKotlinKeywords(name_resolver_->GetClassName(descriptor_, true)), |
| "camelcase_name", context_->GetFieldGeneratorInfo(field)->name, |
| "full_name", |
| EscapeKotlinKeywords( |
| name_resolver_->GetImmutableClassName(field->message_type())), |
| "name", context_->GetFieldGeneratorInfo(field)->capitalized_name); |
| } |
| } |
| } |
| |
| void ImmutableMessageLiteGenerator::GenerateKotlinExtensions( |
| io::Printer* printer) const { |
| std::string message_name = |
| EscapeKotlinKeywords(name_resolver_->GetClassName(descriptor_, true)); |
| |
| printer->Print( |
| "@Suppress(\"UNCHECKED_CAST\")\n" |
| "@kotlin.jvm.JvmSynthetic\n" |
| "public operator fun <T : kotlin.Any> get(extension: " |
| "com.google.protobuf.ExtensionLite<$message$, T>): T {\n" |
| " return if (extension.isRepeated) {\n" |
| " get(extension as com.google.protobuf.ExtensionLite<$message$, " |
| "kotlin.collections.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 : kotlin.Any> get(\n" |
| " extension: com.google.protobuf.ExtensionLite<$message$, " |
| "kotlin.collections.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" |
| "public fun <T : kotlin.Any> 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 : kotlin.Any> 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 : kotlin.Any> " |
| "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 : kotlin.Any> 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 : kotlin.Any> " |
| "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 : kotlin.Any> " |
| "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); |
| } |
| |
| } // namespace java |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |
| |
| #include "google/protobuf/port_undef.inc" |
