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

Issue 1842653006: Update //third_party/protobuf to version 3. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: merge Created 4 years, 8 months ago
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Index: third_party/protobuf/src/google/protobuf/compiler/java/java_primitive_field_lite.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_primitive_field_lite.cc b/third_party/protobuf/src/google/protobuf/compiler/java/java_primitive_field_lite.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5a7bf82df1fd39d5b7192b50e089a595e81922c2
--- /dev/null
+++ b/third_party/protobuf/src/google/protobuf/compiler/java/java_primitive_field_lite.cc
@@ -0,0 +1,911 @@
+// 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: kenton@google.com (Kenton Varda)
+// Based on original Protocol Buffers design by
+// Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <map>
+#include <string>
+
+#include <google/protobuf/stubs/logging.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/java/java_context.h>
+#include <google/protobuf/compiler/java/java_doc_comment.h>
+#include <google/protobuf/compiler/java/java_helpers.h>
+#include <google/protobuf/compiler/java/java_name_resolver.h>
+#include <google/protobuf/compiler/java/java_primitive_field_lite.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/wire_format.h>
+#include <google/protobuf/stubs/strutil.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace java {
+
+using internal::WireFormat;
+using internal::WireFormatLite;
+
+namespace {
+
+void SetPrimitiveVariables(const FieldDescriptor* descriptor,
+ int messageBitIndex,
+ int builderBitIndex,
+ const FieldGeneratorInfo* info,
+ ClassNameResolver* name_resolver,
+ map<string, string>* variables) {
+ SetCommonFieldVariables(descriptor, info, variables);
+
+ (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor));
+ (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
+ (*variables)["field_type"] = (*variables)["type"];
+ (*variables)["default"] = ImmutableDefaultValue(descriptor, name_resolver);
+ (*variables)["default_init"] = IsDefaultValueJavaDefault(descriptor) ?
+ "" : ("= " + ImmutableDefaultValue(descriptor, name_resolver));
+ (*variables)["capitalized_type"] =
+ GetCapitalizedType(descriptor, /* immutable = */ true);
+ (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor));
+ (*variables)["tag_size"] = SimpleItoa(
+ WireFormat::TagSize(descriptor->number(), GetType(descriptor)));
+
+ string capitalized_type = UnderscoresToCamelCase(PrimitiveTypeName(
+ GetJavaType(descriptor)), true /* cap_next_letter */);
+ switch (GetJavaType(descriptor)) {
+ case JAVATYPE_INT:
+ case JAVATYPE_LONG:
+ case JAVATYPE_FLOAT:
+ case JAVATYPE_DOUBLE:
+ case JAVATYPE_BOOLEAN:
+ (*variables)["field_list_type"] =
+ "com.google.protobuf.Internal." + capitalized_type + "List";
+ (*variables)["new_list"] = "new" + capitalized_type + "List";
+ (*variables)["new_list_with_capacity"] =
+ "new" + capitalized_type + "ListWithCapacity";
+ (*variables)["empty_list"] = "empty" + capitalized_type + "List()";
+ (*variables)["make_name_unmodifiable"] =
+ (*variables)["name"] + "_.makeImmutable()";
+ (*variables)["repeated_get"] =
+ (*variables)["name"] + "_.get" + capitalized_type;
+ (*variables)["repeated_add"] =
+ (*variables)["name"] + "_.add" + capitalized_type;
+ (*variables)["repeated_set"] =
+ (*variables)["name"] + "_.set" + capitalized_type;
+ break;
+ default:
+ (*variables)["field_list_type"] =
+ "com.google.protobuf.Internal.ProtobufList<" +
+ (*variables)["boxed_type"] + ">";
+ (*variables)["new_list"] = "newProtobufList";
+ (*variables)["new_list_with_capacity"] = "newProtobufListWithCapacity";
+ (*variables)["empty_list"] = "emptyProtobufList()";
+ (*variables)["make_name_unmodifiable"] =
+ (*variables)["name"] + "_.makeImmutable()";
+ (*variables)["repeated_get"] = (*variables)["name"] + "_.get";
+ (*variables)["repeated_add"] = (*variables)["name"] + "_.add";
+ (*variables)["repeated_set"] = (*variables)["name"] + "_.set";
+ }
+
+ if (IsReferenceType(GetJavaType(descriptor))) {
+ (*variables)["null_check"] =
+ " if (value == null) {\n"
+ " throw new NullPointerException();\n"
+ " }\n";
+ } else {
+ (*variables)["null_check"] = "";
+ }
+ // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported
+ // by the proto compiler
+ (*variables)["deprecation"] = descriptor->options().deprecated()
+ ? "@java.lang.Deprecated " : "";
+ int fixed_size = FixedSize(GetType(descriptor));
+ if (fixed_size != -1) {
+ (*variables)["fixed_size"] = SimpleItoa(fixed_size);
+ }
+ (*variables)["on_changed"] =
+ HasDescriptorMethods(descriptor->containing_type()) ? "onChanged();" : "";
+
+ if (SupportFieldPresence(descriptor->file())) {
+ // For singular messages and builders, one bit is used for the hasField bit.
+ (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex);
+
+ // Note that these have a trailing ";".
+ (*variables)["set_has_field_bit_message"] =
+ GenerateSetBit(messageBitIndex) + ";";
+ (*variables)["clear_has_field_bit_message"] =
+ GenerateClearBit(messageBitIndex) + ";";
+
+ (*variables)["is_field_present_message"] = GenerateGetBit(messageBitIndex);
+ } else {
+ (*variables)["set_has_field_bit_message"] = "";
+ (*variables)["set_has_field_bit_message"] = "";
+ (*variables)["clear_has_field_bit_message"] = "";
+
+ if (descriptor->type() == FieldDescriptor::TYPE_BYTES) {
+ (*variables)["is_field_present_message"] =
+ "!" + (*variables)["name"] + "_.isEmpty()";
+ } else {
+ (*variables)["is_field_present_message"] =
+ (*variables)["name"] + "_ != " + (*variables)["default"];
+ }
+ }
+
+ // For repeated builders, the underlying list tracks mutability state.
+ (*variables)["is_mutable"] = (*variables)["name"] + "_.isModifiable()";
+
+ (*variables)["get_has_field_bit_from_local"] =
+ GenerateGetBitFromLocal(builderBitIndex);
+ (*variables)["set_has_field_bit_to_local"] =
+ GenerateSetBitToLocal(messageBitIndex);
+}
+
+} // namespace
+
+// ===================================================================
+
+ImmutablePrimitiveFieldLiteGenerator::
+ImmutablePrimitiveFieldLiteGenerator(const FieldDescriptor* descriptor,
+ int messageBitIndex,
+ int builderBitIndex,
+ Context* context)
+ : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+ builderBitIndex_(builderBitIndex), context_(context),
+ name_resolver_(context->GetNameResolver()) {
+ SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
+ context->GetFieldGeneratorInfo(descriptor),
+ name_resolver_, &variables_);
+}
+
+ImmutablePrimitiveFieldLiteGenerator::~ImmutablePrimitiveFieldLiteGenerator() {}
+
+int ImmutablePrimitiveFieldLiteGenerator::GetNumBitsForMessage() const {
+ return 1;
+}
+
+int ImmutablePrimitiveFieldLiteGenerator::GetNumBitsForBuilder() const {
+ return 0;
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+ if (SupportFieldPresence(descriptor_->file())) {
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$boolean has$capitalized_name$();\n");
+ }
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$$type$ get$capitalized_name$();\n");
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateMembers(io::Printer* printer) const {
+ printer->Print(variables_,
+ "private $field_type$ $name$_;\n");
+ PrintExtraFieldInfo(variables_, printer);
+ if (SupportFieldPresence(descriptor_->file())) {
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public boolean has$capitalized_name$() {\n"
+ " return $get_has_field_bit_message$;\n"
+ "}\n");
+ }
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public $type$ get$capitalized_name$() {\n"
+ " return $name$_;\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "private void set$capitalized_name$($type$ value) {\n"
+ "$null_check$"
+ " $set_has_field_bit_message$\n"
+ " $name$_ = value;\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "private void clear$capitalized_name$() {\n"
+ " $clear_has_field_bit_message$\n");
+ JavaType type = GetJavaType(descriptor_);
+ if (type == JAVATYPE_STRING || type == JAVATYPE_BYTES) {
+ // The default value is not a simple literal so we want to avoid executing
+ // it multiple times. Instead, get the default out of the default instance.
+ printer->Print(variables_,
+ " $name$_ = getDefaultInstance().get$capitalized_name$();\n");
+ } else {
+ printer->Print(variables_,
+ " $name$_ = $default$;\n");
+ }
+ printer->Print(variables_,
+ "}\n");
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+ if (SupportFieldPresence(descriptor_->file())) {
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public boolean has$capitalized_name$() {\n"
+ " return instance.has$capitalized_name$();\n"
+ "}\n");
+ }
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public $type$ get$capitalized_name$() {\n"
+ " return instance.get$capitalized_name$();\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public Builder set$capitalized_name$($type$ value) {\n"
+ " copyOnWrite();\n"
+ " instance.set$capitalized_name$(value);\n"
+ " return this;\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public Builder clear$capitalized_name$() {\n"
+ " copyOnWrite();\n"
+ " instance.clear$capitalized_name$();\n"
+ " return this;\n"
+ "}\n");
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer) const {
+ // noop for primitives
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+ printer->Print(variables_, "$name$_ = $default$;\n");
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+ // noop for primitives
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+ if (SupportFieldPresence(descriptor_->file())) {
+ printer->Print(variables_,
+ "if (other.has$capitalized_name$()) {\n"
+ " set$capitalized_name$(other.get$capitalized_name$());\n"
+ "}\n");
+ } else {
+ printer->Print(variables_,
+ "if (other.get$capitalized_name$() != $default$) {\n"
+ " set$capitalized_name$(other.get$capitalized_name$());\n"
+ "}\n");
+ }
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+ // noop for primitives
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateDynamicMethodMakeImmutableCode(io::Printer* printer) const {
+ // noop for scalars
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "$set_has_field_bit_message$\n"
+ "$name$_ = input.read$capitalized_type$();\n");
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+ // noop for primitives.
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($is_field_present_message$) {\n"
+ " output.write$capitalized_type$($number$, $name$_);\n"
+ "}\n");
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($is_field_present_message$) {\n"
+ " size += com.google.protobuf.CodedOutputStream\n"
+ " .compute$capitalized_type$Size($number$, $name$_);\n"
+ "}\n");
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+ switch (GetJavaType(descriptor_)) {
+ case JAVATYPE_INT:
+ case JAVATYPE_LONG:
+ case JAVATYPE_BOOLEAN:
+ printer->Print(variables_,
+ "result = result && (get$capitalized_name$()\n"
+ " == other.get$capitalized_name$());\n");
+ break;
+
+ case JAVATYPE_FLOAT:
+ printer->Print(variables_,
+ "result = result && (\n"
+ " java.lang.Float.floatToIntBits(get$capitalized_name$())\n"
+ " == java.lang.Float.floatToIntBits(\n"
+ " other.get$capitalized_name$()));\n");
+ break;
+
+ case JAVATYPE_DOUBLE:
+ printer->Print(variables_,
+ "result = result && (\n"
+ " java.lang.Double.doubleToLongBits(get$capitalized_name$())\n"
+ " == java.lang.Double.doubleToLongBits(\n"
+ " other.get$capitalized_name$()));\n");
+ break;
+
+ case JAVATYPE_STRING:
+ case JAVATYPE_BYTES:
+ printer->Print(variables_,
+ "result = result && get$capitalized_name$()\n"
+ " .equals(other.get$capitalized_name$());\n");
+ break;
+
+ case JAVATYPE_ENUM:
+ case JAVATYPE_MESSAGE:
+ default:
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ break;
+ }
+}
+
+void ImmutablePrimitiveFieldLiteGenerator::
+GenerateHashCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "hash = (37 * hash) + $constant_name$;\n");
+ switch (GetJavaType(descriptor_)) {
+ case JAVATYPE_INT:
+ printer->Print(variables_,
+ "hash = (53 * hash) + get$capitalized_name$();\n");
+ break;
+
+ case JAVATYPE_LONG:
+ printer->Print(variables_,
+ "hash = (53 * hash) + com.google.protobuf.Internal.hashLong(\n"
+ " get$capitalized_name$());\n");
+ break;
+
+ case JAVATYPE_BOOLEAN:
+ printer->Print(variables_,
+ "hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(\n"
+ " get$capitalized_name$());\n");
+ break;
+
+ case JAVATYPE_FLOAT:
+ printer->Print(variables_,
+ "hash = (53 * hash) + java.lang.Float.floatToIntBits(\n"
+ " get$capitalized_name$());\n");
+ break;
+
+ case JAVATYPE_DOUBLE:
+ printer->Print(variables_,
+ "hash = (53 * hash) + com.google.protobuf.Internal.hashLong(\n"
+ " java.lang.Double.doubleToLongBits(get$capitalized_name$()));\n");
+ break;
+
+ case JAVATYPE_STRING:
+ case JAVATYPE_BYTES:
+ printer->Print(variables_,
+ "hash = (53 * hash) + get$capitalized_name$().hashCode();\n");
+ break;
+
+ case JAVATYPE_ENUM:
+ case JAVATYPE_MESSAGE:
+ default:
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ break;
+ }
+}
+
+string ImmutablePrimitiveFieldLiteGenerator::GetBoxedType() const {
+ return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
+}
+
+// ===================================================================
+
+ImmutablePrimitiveOneofFieldLiteGenerator::
+ImmutablePrimitiveOneofFieldLiteGenerator(const FieldDescriptor* descriptor,
+ int messageBitIndex,
+ int builderBitIndex,
+ Context* context)
+ : ImmutablePrimitiveFieldLiteGenerator(
+ descriptor, messageBitIndex, builderBitIndex, context) {
+ const OneofGeneratorInfo* info =
+ context->GetOneofGeneratorInfo(descriptor->containing_oneof());
+ SetCommonOneofVariables(descriptor, info, &variables_);
+}
+
+ImmutablePrimitiveOneofFieldLiteGenerator::
+~ImmutablePrimitiveOneofFieldLiteGenerator() {}
+
+void ImmutablePrimitiveOneofFieldLiteGenerator::
+GenerateMembers(io::Printer* printer) const {
+ PrintExtraFieldInfo(variables_, printer);
+ if (SupportFieldPresence(descriptor_->file())) {
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public boolean has$capitalized_name$() {\n"
+ " return $has_oneof_case_message$;\n"
+ "}\n");
+ }
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public $type$ get$capitalized_name$() {\n"
+ " if ($has_oneof_case_message$) {\n"
+ " return ($boxed_type$) $oneof_name$_;\n"
+ " }\n"
+ " return $default$;\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "private void set$capitalized_name$($type$ value) {\n"
+ "$null_check$"
+ " $set_oneof_case_message$;\n"
+ " $oneof_name$_ = value;\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "private void clear$capitalized_name$() {\n"
+ " if ($has_oneof_case_message$) {\n"
+ " $clear_oneof_case_message$;\n"
+ " $oneof_name$_ = null;\n"
+ " }\n"
+ "}\n");
+}
+
+
+void ImmutablePrimitiveOneofFieldLiteGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+ if (SupportFieldPresence(descriptor_->file())) {
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public boolean has$capitalized_name$() {\n"
+ " return instance.has$capitalized_name$();\n"
+ "}\n");
+ }
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public $type$ get$capitalized_name$() {\n"
+ " return instance.get$capitalized_name$();\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public Builder set$capitalized_name$($type$ value) {\n"
+ " copyOnWrite();\n"
+ " instance.set$capitalized_name$(value);\n"
+ " return this;\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public Builder clear$capitalized_name$() {\n"
+ " copyOnWrite();\n"
+ " instance.clear$capitalized_name$();\n"
+ " return this;\n"
+ "}\n");
+}
+
+void ImmutablePrimitiveOneofFieldLiteGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+ // noop for primitives
+}
+
+void ImmutablePrimitiveOneofFieldLiteGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "set$capitalized_name$(other.get$capitalized_name$());\n");
+}
+
+void ImmutablePrimitiveOneofFieldLiteGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "$set_oneof_case_message$;\n"
+ "$oneof_name$_ = input.read$capitalized_type$();\n");
+}
+
+void ImmutablePrimitiveOneofFieldLiteGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($has_oneof_case_message$) {\n"
+ " output.write$capitalized_type$(\n"
+ " $number$, ($type$)(($boxed_type$) $oneof_name$_));\n"
+ "}\n");
+}
+
+void ImmutablePrimitiveOneofFieldLiteGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($has_oneof_case_message$) {\n"
+ " size += com.google.protobuf.CodedOutputStream\n"
+ " .compute$capitalized_type$Size(\n"
+ " $number$, ($type$)(($boxed_type$) $oneof_name$_));\n"
+ "}\n");
+}
+
+// ===================================================================
+
+RepeatedImmutablePrimitiveFieldLiteGenerator::
+RepeatedImmutablePrimitiveFieldLiteGenerator(const FieldDescriptor* descriptor,
+ int messageBitIndex,
+ int builderBitIndex,
+ Context* context)
+ : descriptor_(descriptor), messageBitIndex_(messageBitIndex),
+ builderBitIndex_(builderBitIndex), context_(context),
+ name_resolver_(context->GetNameResolver()) {
+ SetPrimitiveVariables(descriptor, messageBitIndex, builderBitIndex,
+ context->GetFieldGeneratorInfo(descriptor),
+ name_resolver_, &variables_);
+}
+
+RepeatedImmutablePrimitiveFieldLiteGenerator::
+~RepeatedImmutablePrimitiveFieldLiteGenerator() {}
+
+int RepeatedImmutablePrimitiveFieldLiteGenerator::GetNumBitsForMessage() const {
+ return 0;
+}
+
+int RepeatedImmutablePrimitiveFieldLiteGenerator::GetNumBitsForBuilder() const {
+ return 0;
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateInterfaceMembers(io::Printer* printer) const {
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$java.util.List<$boxed_type$> get$capitalized_name$List();\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$int get$capitalized_name$Count();\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$$type$ get$capitalized_name$(int index);\n");
+}
+
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateMembers(io::Printer* printer) const {
+ printer->Print(variables_,
+ "private $field_list_type$ $name$_;\n");
+ PrintExtraFieldInfo(variables_, printer);
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public java.util.List<$boxed_type$>\n"
+ " get$capitalized_name$List() {\n"
+ " return $name$_;\n" // note: unmodifiable list
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public int get$capitalized_name$Count() {\n"
+ " return $name$_.size();\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
+ " return $repeated_get$(index);\n"
+ "}\n");
+
+ if (descriptor_->options().packed() &&
+ HasGeneratedMethods(descriptor_->containing_type())) {
+ printer->Print(variables_,
+ "private int $name$MemoizedSerializedSize = -1;\n");
+ }
+
+ printer->Print(variables_,
+ "private void ensure$capitalized_name$IsMutable() {\n"
+ " if (!$is_mutable$) {\n"
+ " $name$_ = $new_list$($name$_);\n"
+ " }\n"
+ "}\n");
+
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "private void set$capitalized_name$(\n"
+ " int index, $type$ value) {\n"
+ "$null_check$"
+ " ensure$capitalized_name$IsMutable();\n"
+ " $repeated_set$(index, value);\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "private void add$capitalized_name$($type$ value) {\n"
+ "$null_check$"
+ " ensure$capitalized_name$IsMutable();\n"
+ " $repeated_add$(value);\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "private void addAll$capitalized_name$(\n"
+ " java.lang.Iterable<? extends $boxed_type$> values) {\n"
+ " ensure$capitalized_name$IsMutable();\n"
+ " com.google.protobuf.AbstractMessageLite.addAll(\n"
+ " values, $name$_);\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "private void clear$capitalized_name$() {\n"
+ " $name$_ = $empty_list$;\n"
+ "}\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateBuilderMembers(io::Printer* printer) const {
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public java.util.List<$boxed_type$>\n"
+ " get$capitalized_name$List() {\n"
+ " return java.util.Collections.unmodifiableList(\n"
+ " instance.get$capitalized_name$List());\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public int get$capitalized_name$Count() {\n"
+ " return instance.get$capitalized_name$Count();\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public $type$ get$capitalized_name$(int index) {\n"
+ " return instance.get$capitalized_name$(index);\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public Builder set$capitalized_name$(\n"
+ " int index, $type$ value) {\n"
+ " copyOnWrite();\n"
+ " instance.set$capitalized_name$(index, value);\n"
+ " return this;\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public Builder add$capitalized_name$($type$ value) {\n"
+ " copyOnWrite();\n"
+ " instance.add$capitalized_name$(value);\n"
+ " return this;\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public Builder addAll$capitalized_name$(\n"
+ " java.lang.Iterable<? extends $boxed_type$> values) {\n"
+ " copyOnWrite();\n"
+ " instance.addAll$capitalized_name$(values);\n"
+ " return this;\n"
+ "}\n");
+ WriteFieldDocComment(printer, descriptor_);
+ printer->Print(variables_,
+ "$deprecation$public Builder clear$capitalized_name$() {\n"
+ " copyOnWrite();\n"
+ " instance.clear$capitalized_name$();\n"
+ " return this;\n"
+ "}\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateFieldBuilderInitializationCode(io::Printer* printer) const {
+ // noop for primitives
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateInitializationCode(io::Printer* printer) const {
+ printer->Print(variables_, "$name$_ = $empty_list$;\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateBuilderClearCode(io::Printer* printer) const {
+ // noop for primitives
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+ // The code below does two optimizations:
+ // 1. If the other list is empty, there's nothing to do. This ensures we
+ // don't allocate a new array if we already have an immutable one.
+ // 2. If the other list is non-empty and our current list is empty, we can
+ // reuse the other list which is guaranteed to be immutable.
+ printer->Print(variables_,
+ "if (!other.$name$_.isEmpty()) {\n"
+ " if ($name$_.isEmpty()) {\n"
+ " $name$_ = other.$name$_;\n"
+ " } else {\n"
+ " ensure$capitalized_name$IsMutable();\n"
+ " $name$_.addAll(other.$name$_);\n"
+ " }\n"
+ " $on_changed$\n"
+ "}\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateBuildingCode(io::Printer* printer) const {
+ // noop for primitives
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateDynamicMethodMakeImmutableCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "$name$_.makeImmutable();\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateParsingCode(io::Printer* printer) const {
+ // TODO(dweis): Scan the input buffer to count, then initialize
+ // appropriately.
+ // TODO(dweis): Scan the input buffer to count and ensure capacity.
+ printer->Print(variables_,
+ "if (!$is_mutable$) {\n"
+ " $name$_ = $new_list$();\n"
+ "}\n"
+ "$repeated_add$(input.read$capitalized_type$());\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateParsingCodeFromPacked(io::Printer* printer) const {
+ printer->Print(variables_,
+ "int length = input.readRawVarint32();\n"
+ "int limit = input.pushLimit(length);\n"
+ "if (!$is_mutable$ && input.getBytesUntilLimit() > 0) {\n");
+
+ int fixed_size = FixedSize(GetType(descriptor_));
+ if (fixed_size == -1) {
+ // TODO(dweis): Scan the input buffer to count, then initialize
+ // appropriately.
+ printer->Print(variables_,
+ " $name$_ = $new_list$();\n");
+ } else {
+ printer->Print(variables_,
+ " $name$_ = $new_list_with_capacity$(length/$fixed_size$);\n");
+ }
+
+ // TODO(dweis): Scan the input buffer to count and ensure capacity.
+ printer->Print(variables_,
+ "}\n"
+ "while (input.getBytesUntilLimit() > 0) {\n"
+ " $repeated_add$(input.read$capitalized_type$());\n"
+ "}\n"
+ "input.popLimit(limit);\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateParsingDoneCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($is_mutable$) {\n"
+ " $make_name_unmodifiable$;\n"
+ "}\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+ if (descriptor_->options().packed()) {
+ // We invoke getSerializedSize in writeTo for messages that have packed
+ // fields in ImmutableMessageGenerator::GenerateMessageSerializationMethods.
+ // That makes it safe to rely on the memoized size here.
+ printer->Print(variables_,
+ "if (get$capitalized_name$List().size() > 0) {\n"
+ " output.writeRawVarint32($tag$);\n"
+ " output.writeRawVarint32($name$MemoizedSerializedSize);\n"
+ "}\n"
+ "for (int i = 0; i < $name$_.size(); i++) {\n"
+ " output.write$capitalized_type$NoTag($repeated_get$(i));\n"
+ "}\n");
+ } else {
+ printer->Print(variables_,
+ "for (int i = 0; i < $name$_.size(); i++) {\n"
+ " output.write$capitalized_type$($number$, $repeated_get$(i));\n"
+ "}\n");
+ }
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "{\n"
+ " int dataSize = 0;\n");
+ printer->Indent();
+
+ if (FixedSize(GetType(descriptor_)) == -1) {
+ printer->Print(variables_,
+ "for (int i = 0; i < $name$_.size(); i++) {\n"
+ " dataSize += com.google.protobuf.CodedOutputStream\n"
+ " .compute$capitalized_type$SizeNoTag($repeated_get$(i));\n"
+ "}\n");
+ } else {
+ printer->Print(variables_,
+ "dataSize = $fixed_size$ * get$capitalized_name$List().size();\n");
+ }
+
+ printer->Print(
+ "size += dataSize;\n");
+
+ if (descriptor_->options().packed()) {
+ printer->Print(variables_,
+ "if (!get$capitalized_name$List().isEmpty()) {\n"
+ " size += $tag_size$;\n"
+ " size += com.google.protobuf.CodedOutputStream\n"
+ " .computeInt32SizeNoTag(dataSize);\n"
+ "}\n");
+ } else {
+ printer->Print(variables_,
+ "size += $tag_size$ * get$capitalized_name$List().size();\n");
+ }
+
+ // cache the data size for packed fields.
+ if (descriptor_->options().packed()) {
+ printer->Print(variables_,
+ "$name$MemoizedSerializedSize = dataSize;\n");
+ }
+
+ printer->Outdent();
+ printer->Print("}\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "result = result && get$capitalized_name$List()\n"
+ " .equals(other.get$capitalized_name$List());\n");
+}
+
+void RepeatedImmutablePrimitiveFieldLiteGenerator::
+GenerateHashCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (get$capitalized_name$Count() > 0) {\n"
+ " hash = (37 * hash) + $constant_name$;\n"
+ " hash = (53 * hash) + get$capitalized_name$List().hashCode();\n"
+ "}\n");
+}
+
+string RepeatedImmutablePrimitiveFieldLiteGenerator::GetBoxedType() const {
+ return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
+}
+
+} // namespace java
+} // namespace compiler
+} // namespace protobuf
+} // namespace google

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