diff options
Diffstat (limited to 'third_party/protobuf/src/google/protobuf/compiler/java/java_message_builder.cc')
-rw-r--r-- | third_party/protobuf/src/google/protobuf/compiler/java/java_message_builder.cc | 661 |
1 files changed, 0 insertions, 661 deletions
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_message_builder.cc b/third_party/protobuf/src/google/protobuf/compiler/java/java_message_builder.cc deleted file mode 100644 index 7269411976..0000000000 --- a/third_party/protobuf/src/google/protobuf/compiler/java/java_message_builder.cc +++ /dev/null @@ -1,661 +0,0 @@ -// 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/java_message_builder.h> - -#include <algorithm> -#include <google/protobuf/stubs/hash.h> -#include <map> -#include <memory> -#ifndef _SHARED_PTR_H -#include <google/protobuf/stubs/shared_ptr.h> -#endif -#include <vector> - -#include <google/protobuf/compiler/java/java_context.h> -#include <google/protobuf/compiler/java/java_doc_comment.h> -#include <google/protobuf/compiler/java/java_enum.h> -#include <google/protobuf/compiler/java/java_extension.h> -#include <google/protobuf/compiler/java/java_generator_factory.h> -#include <google/protobuf/compiler/java/java_helpers.h> -#include <google/protobuf/compiler/java/java_name_resolver.h> -#include <google/protobuf/io/coded_stream.h> -#include <google/protobuf/io/printer.h> -#include <google/protobuf/descriptor.pb.h> -#include <google/protobuf/wire_format.h> -#include <google/protobuf/stubs/strutil.h> -#include <google/protobuf/stubs/substitute.h> - -namespace google { -namespace protobuf { -namespace compiler { -namespace java { - -namespace { -bool GenerateHasBits(const Descriptor* descriptor) { - return SupportFieldPresence(descriptor->file()) || - HasRepeatedFields(descriptor); -} - -string MapValueImmutableClassdName(const Descriptor* descriptor, - ClassNameResolver* name_resolver) { - const FieldDescriptor* value_field = descriptor->FindFieldByName("value"); - GOOGLE_CHECK_EQ(FieldDescriptor::TYPE_MESSAGE, value_field->type()); - return name_resolver->GetImmutableClassName(value_field->message_type()); -} -} // namespace - -MessageBuilderGenerator::MessageBuilderGenerator( - const Descriptor* descriptor, Context* context) - : descriptor_(descriptor), context_(context), - name_resolver_(context->GetNameResolver()), - field_generators_(descriptor, context_) { - GOOGLE_CHECK_NE( - FileOptions::LITE_RUNTIME, descriptor->file()->options().optimize_for()); -} - -MessageBuilderGenerator::~MessageBuilderGenerator() {} - -void MessageBuilderGenerator:: -Generate(io::Printer* printer) { - WriteMessageDocComment(printer, descriptor_); - if (descriptor_->extension_range_count() > 0) { - printer->Print( - "public static final class Builder extends\n" - " com.google.protobuf.GeneratedMessage.ExtendableBuilder<\n" - " $classname$, Builder> implements\n" - " $extra_interfaces$\n" - " $classname$OrBuilder {\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_), - "extra_interfaces", ExtraBuilderInterfaces(descriptor_)); - } else { - printer->Print( - "public static final class Builder extends\n" - " com.google.protobuf.GeneratedMessage.Builder<Builder> implements\n" - " $extra_interfaces$\n" - " $classname$OrBuilder {\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_), - "extra_interfaces", ExtraBuilderInterfaces(descriptor_)); - } - printer->Indent(); - - GenerateDescriptorMethods(printer); - GenerateCommonBuilderMethods(printer); - - if (HasGeneratedMethods(descriptor_)) { - GenerateIsInitialized(printer); - GenerateBuilderParsingMethods(printer); - } - - // oneof - map<string, string> vars; - for (int i = 0; i < descriptor_->oneof_decl_count(); i++) { - vars["oneof_name"] = context_->GetOneofGeneratorInfo( - descriptor_->oneof_decl(i))->name; - vars["oneof_capitalized_name"] = context_->GetOneofGeneratorInfo( - descriptor_->oneof_decl(i))->capitalized_name; - vars["oneof_index"] = SimpleItoa(descriptor_->oneof_decl(i)->index()); - // oneofCase_ and oneof_ - printer->Print(vars, - "private int $oneof_name$Case_ = 0;\n" - "private java.lang.Object $oneof_name$_;\n"); - // oneofCase() and clearOneof() - printer->Print(vars, - "public $oneof_capitalized_name$Case\n" - " get$oneof_capitalized_name$Case() {\n" - " return $oneof_capitalized_name$Case.valueOf(\n" - " $oneof_name$Case_);\n" - "}\n" - "\n" - "public Builder clear$oneof_capitalized_name$() {\n" - " $oneof_name$Case_ = 0;\n" - " $oneof_name$_ = null;\n"); - printer->Print(" onChanged();\n"); - printer->Print( - " return this;\n" - "}\n" - "\n"); - } - - if (GenerateHasBits(descriptor_)) { - // Integers for bit fields. - int totalBits = 0; - for (int i = 0; i < descriptor_->field_count(); i++) { - totalBits += field_generators_.get(descriptor_->field(i)) - .GetNumBitsForBuilder(); - } - int totalInts = (totalBits + 31) / 32; - for (int i = 0; i < totalInts; i++) { - printer->Print("private int $bit_field_name$;\n", - "bit_field_name", GetBitFieldName(i)); - } - } - - for (int i = 0; i < descriptor_->field_count(); i++) { - printer->Print("\n"); - field_generators_.get(descriptor_->field(i)) - .GenerateBuilderMembers(printer); - } - - if (!PreserveUnknownFields(descriptor_)) { - printer->Print( - "public final Builder setUnknownFields(\n" - " final com.google.protobuf.UnknownFieldSet unknownFields) {\n" - " return this;\n" - "}\n" - "\n" - "public final Builder mergeUnknownFields(\n" - " final com.google.protobuf.UnknownFieldSet unknownFields) {\n" - " return this;\n" - "}\n" - "\n"); - } - - printer->Print( - "\n" - "// @@protoc_insertion_point(builder_scope:$full_name$)\n", - "full_name", descriptor_->full_name()); - - printer->Outdent(); - printer->Print("}\n"); -} - -// =================================================================== - -void MessageBuilderGenerator:: -GenerateDescriptorMethods(io::Printer* printer) { - if (!descriptor_->options().no_standard_descriptor_accessor()) { - printer->Print( - "public static final com.google.protobuf.Descriptors.Descriptor\n" - " getDescriptor() {\n" - " return $fileclass$.internal_$identifier$_descriptor;\n" - "}\n" - "\n", - "fileclass", name_resolver_->GetImmutableClassName(descriptor_->file()), - "identifier", UniqueFileScopeIdentifier(descriptor_)); - } - vector<const FieldDescriptor*> map_fields; - 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" - "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", SimpleItoa(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( - "@SuppressWarnings({\"rawtypes\"})\n" - "protected com.google.protobuf.MapField internalGetMutableMapField(\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 internalGetMutable$capitalized_name$();\n", - "number", SimpleItoa(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( - "protected com.google.protobuf.GeneratedMessage.FieldAccessorTable\n" - " internalGetFieldAccessorTable() {\n" - " return $fileclass$.internal_$identifier$_fieldAccessorTable\n" - " .ensureFieldAccessorsInitialized(\n" - " $classname$.class, $classname$.Builder.class);\n" - "}\n" - "\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_), - "fileclass", name_resolver_->GetImmutableClassName(descriptor_->file()), - "identifier", UniqueFileScopeIdentifier(descriptor_)); -} - -// =================================================================== - -void MessageBuilderGenerator:: -GenerateCommonBuilderMethods(io::Printer* printer) { - printer->Print( - "// Construct using $classname$.newBuilder()\n" - "private Builder() {\n" - " maybeForceBuilderInitialization();\n" - "}\n" - "\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); - - printer->Print( - "private Builder(\n" - " com.google.protobuf.GeneratedMessage.BuilderParent parent) {\n" - " super(parent);\n" - " maybeForceBuilderInitialization();\n" - "}\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); - - printer->Print( - "private void maybeForceBuilderInitialization() {\n" - " if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {\n"); - - printer->Indent(); - printer->Indent(); - for (int i = 0; i < descriptor_->field_count(); i++) { - if (!descriptor_->field(i)->containing_oneof()) { - field_generators_.get(descriptor_->field(i)) - .GenerateFieldBuilderInitializationCode(printer); - } - } - printer->Outdent(); - printer->Outdent(); - - printer->Print( - " }\n" - "}\n"); - - printer->Print( - "public Builder clear() {\n" - " super.clear();\n"); - - printer->Indent(); - - for (int i = 0; i < descriptor_->field_count(); i++) { - if (!descriptor_->field(i)->containing_oneof()) { - field_generators_.get(descriptor_->field(i)) - .GenerateBuilderClearCode(printer); - } - } - - for (int i = 0; i < descriptor_->oneof_decl_count(); i++) { - printer->Print( - "$oneof_name$Case_ = 0;\n" - "$oneof_name$_ = null;\n", - "oneof_name", context_->GetOneofGeneratorInfo( - descriptor_->oneof_decl(i))->name); - } - - printer->Outdent(); - - printer->Print( - " return this;\n" - "}\n" - "\n"); - - printer->Print( - "public com.google.protobuf.Descriptors.Descriptor\n" - " getDescriptorForType() {\n" - " return $fileclass$.internal_$identifier$_descriptor;\n" - "}\n" - "\n", - "fileclass", name_resolver_->GetImmutableClassName(descriptor_->file()), - "identifier", UniqueFileScopeIdentifier(descriptor_)); - - // LITE runtime implements this in GeneratedMessageLite. - printer->Print( - "public $classname$ getDefaultInstanceForType() {\n" - " return $classname$.getDefaultInstance();\n" - "}\n" - "\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); - - printer->Print( - "public $classname$ build() {\n" - " $classname$ result = buildPartial();\n" - " if (!result.isInitialized()) {\n" - " throw newUninitializedMessageException(result);\n" - " }\n" - " return result;\n" - "}\n" - "\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); - - printer->Print( - "public $classname$ buildPartial() {\n" - " $classname$ result = new $classname$(this);\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); - - printer->Indent(); - - int totalBuilderBits = 0; - int totalMessageBits = 0; - for (int i = 0; i < descriptor_->field_count(); i++) { - const ImmutableFieldGenerator& field = - field_generators_.get(descriptor_->field(i)); - totalBuilderBits += field.GetNumBitsForBuilder(); - totalMessageBits += field.GetNumBitsForMessage(); - } - int totalBuilderInts = (totalBuilderBits + 31) / 32; - int totalMessageInts = (totalMessageBits + 31) / 32; - - if (GenerateHasBits(descriptor_)) { - // Local vars for from and to bit fields to avoid accessing the builder and - // message over and over for these fields. Seems to provide a slight - // perforamance improvement in micro benchmark and this is also what proto1 - // code does. - for (int i = 0; i < totalBuilderInts; i++) { - printer->Print("int from_$bit_field_name$ = $bit_field_name$;\n", - "bit_field_name", GetBitFieldName(i)); - } - for (int i = 0; i < totalMessageInts; i++) { - printer->Print("int to_$bit_field_name$ = 0;\n", - "bit_field_name", GetBitFieldName(i)); - } - } - - // Output generation code for each field. - for (int i = 0; i < descriptor_->field_count(); i++) { - field_generators_.get(descriptor_->field(i)).GenerateBuildingCode(printer); - } - - if (GenerateHasBits(descriptor_)) { - // Copy the bit field results to the generated message - for (int i = 0; i < totalMessageInts; i++) { - printer->Print("result.$bit_field_name$ = to_$bit_field_name$;\n", - "bit_field_name", GetBitFieldName(i)); - } - } - - for (int i = 0; i < descriptor_->oneof_decl_count(); i++) { - printer->Print("result.$oneof_name$Case_ = $oneof_name$Case_;\n", - "oneof_name", context_->GetOneofGeneratorInfo( - descriptor_->oneof_decl(i))->name); - } - - printer->Outdent(); - - printer->Print( - " onBuilt();\n"); - - printer->Print( - " return result;\n" - "}\n" - "\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); - - // ----------------------------------------------------------------- - - if (HasGeneratedMethods(descriptor_)) { - printer->Print( - "public Builder mergeFrom(com.google.protobuf.Message other) {\n" - " if (other instanceof $classname$) {\n" - " return mergeFrom(($classname$)other);\n" - " } else {\n" - " super.mergeFrom(other);\n" - " return this;\n" - " }\n" - "}\n" - "\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); - - printer->Print( - "public Builder mergeFrom($classname$ other) {\n" - // Optimization: If other is the default instance, we know none of its - // fields are set so we can skip the merge. - " if (other == $classname$.getDefaultInstance()) return this;\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); - printer->Indent(); - - for (int i = 0; i < descriptor_->field_count(); i++) { - if (!descriptor_->field(i)->containing_oneof()) { - field_generators_.get( - descriptor_->field(i)).GenerateMergingCode(printer); - } - } - - // Merge oneof fields. - for (int i = 0; i < descriptor_->oneof_decl_count(); ++i) { - printer->Print( - "switch (other.get$oneof_capitalized_name$Case()) {\n", - "oneof_capitalized_name", - context_->GetOneofGeneratorInfo( - descriptor_->oneof_decl(i))->capitalized_name); - printer->Indent(); - for (int j = 0; j < descriptor_->oneof_decl(i)->field_count(); j++) { - const FieldDescriptor* field = descriptor_->oneof_decl(i)->field(j); - printer->Print( - "case $field_name$: {\n", - "field_name", - ToUpper(field->name())); - printer->Indent(); - field_generators_.get(field).GenerateMergingCode(printer); - printer->Print( - "break;\n"); - printer->Outdent(); - printer->Print( - "}\n"); - } - printer->Print( - "case $cap_oneof_name$_NOT_SET: {\n" - " break;\n" - "}\n", - "cap_oneof_name", - ToUpper(context_->GetOneofGeneratorInfo( - descriptor_->oneof_decl(i))->name)); - printer->Outdent(); - printer->Print( - "}\n"); - } - - printer->Outdent(); - - // if message type has extensions - if (descriptor_->extension_range_count() > 0) { - printer->Print( - " this.mergeExtensionFields(other);\n"); - } - - if (PreserveUnknownFields(descriptor_)) { - printer->Print( - " this.mergeUnknownFields(other.unknownFields);\n"); - } - - printer->Print( - " onChanged();\n"); - - printer->Print( - " return this;\n" - "}\n" - "\n"); - } -} - -// =================================================================== - -void MessageBuilderGenerator:: -GenerateBuilderParsingMethods(io::Printer* printer) { - printer->Print( - "public Builder mergeFrom(\n" - " com.google.protobuf.CodedInputStream input,\n" - " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n" - " throws java.io.IOException {\n" - " $classname$ parsedMessage = null;\n" - " try {\n" - " parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);\n" - " } catch (com.google.protobuf.InvalidProtocolBufferException e) {\n" - " parsedMessage = ($classname$) e.getUnfinishedMessage();\n" - " throw e;\n" - " } finally {\n" - " if (parsedMessage != null) {\n" - " mergeFrom(parsedMessage);\n" - " }\n" - " }\n" - " return this;\n" - "}\n", - "classname", name_resolver_->GetImmutableClassName(descriptor_)); -} - -// =================================================================== - -void MessageBuilderGenerator::GenerateIsInitialized( - io::Printer* printer) { - printer->Print( - "public final boolean isInitialized() {\n"); - printer->Indent(); - - // 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" - " 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" - " return false;\n" - "}\n", - "type", name_resolver_->GetImmutableClassName( - field->message_type()), - "name", info->capitalized_name); - break; - case FieldDescriptor::LABEL_OPTIONAL: - if (!SupportFieldPresence(descriptor_->file()) && - field->containing_oneof() != NULL) { - const OneofDescriptor* oneof = field->containing_oneof(); - const OneofGeneratorInfo* oneof_info = - context_->GetOneofGeneratorInfo(oneof); - printer->Print( - "if ($oneof_name$Case_ == $field_number$) {\n", - "oneof_name", oneof_info->name, - "field_number", SimpleItoa(field->number())); - } else { - printer->Print( - "if (has$name$()) {\n", - "name", info->capitalized_name); - } - printer->Print( - " if (!get$name$().isInitialized()) {\n" - " return false;\n" - " }\n" - "}\n", - "name", info->capitalized_name); - break; - case FieldDescriptor::LABEL_REPEATED: - if (IsMapEntry(field->message_type())) { - printer->Print( - "for ($type$ item : get$name$().values()) {\n" - " if (!item.isInitialized()) {\n" - " return false;\n" - " }\n" - "}\n", - "type", MapValueImmutableClassdName(field->message_type(), - name_resolver_), - "name", info->capitalized_name); - } else { - printer->Print( - "for (int i = 0; i < get$name$Count(); i++) {\n" - " if (!get$name$(i).isInitialized()) {\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" - " return false;\n" - "}\n"); - } - - printer->Outdent(); - - printer->Print( - " return true;\n" - "}\n" - "\n"); -} - -// =================================================================== - -} // namespace java -} // namespace compiler -} // namespace protobuf -} // namespace google |