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Unified Diff: third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc

Issue 1291903002: Pull new version of protobuf sources. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Build fix attempts Created 5 years, 4 months ago
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Index: third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc b/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc
new file mode 100644
index 0000000000000000000000000000000000000000..978abf2ce404592e62d33060944bd82b4bd89dfc
--- /dev/null
+++ b/third_party/protobuf/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc
@@ -0,0 +1,968 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+// Based on original Protocol Buffers design by
+// Sanjay Ghemawat, Jeff Dean, and others.
+
+#include <map>
+#include <math.h>
+#include <string>
+
+#include <google/protobuf/compiler/javanano/javanano_primitive_field.h>
+#include <google/protobuf/stubs/common.h>
+#include <google/protobuf/compiler/javanano/javanano_helpers.h>
+#include <google/protobuf/io/printer.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 javanano {
+
+using internal::WireFormat;
+using internal::WireFormatLite;
+
+namespace {
+
+bool IsReferenceType(JavaType type) {
+ switch (type) {
+ case JAVATYPE_INT : return false;
+ case JAVATYPE_LONG : return false;
+ case JAVATYPE_FLOAT : return false;
+ case JAVATYPE_DOUBLE : return false;
+ case JAVATYPE_BOOLEAN: return false;
+ case JAVATYPE_STRING : return true;
+ case JAVATYPE_BYTES : return true;
+ case JAVATYPE_ENUM : return false;
+ case JAVATYPE_MESSAGE: return true;
+
+ // No default because we want the compiler to complain if any new
+ // JavaTypes are added.
+ }
+
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ return false;
+}
+
+bool IsArrayType(JavaType type) {
+ switch (type) {
+ case JAVATYPE_INT : return false;
+ case JAVATYPE_LONG : return false;
+ case JAVATYPE_FLOAT : return false;
+ case JAVATYPE_DOUBLE : return false;
+ case JAVATYPE_BOOLEAN: return false;
+ case JAVATYPE_STRING : return false;
+ case JAVATYPE_BYTES : return true;
+ case JAVATYPE_ENUM : return false;
+ case JAVATYPE_MESSAGE: return false;
+
+ // No default because we want the compiler to complain if any new
+ // JavaTypes are added.
+ }
+
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ return false;
+}
+
+const char* GetCapitalizedType(const FieldDescriptor* field) {
+ switch (field->type()) {
+ case FieldDescriptor::TYPE_INT32 : return "Int32" ;
+ case FieldDescriptor::TYPE_UINT32 : return "UInt32" ;
+ case FieldDescriptor::TYPE_SINT32 : return "SInt32" ;
+ case FieldDescriptor::TYPE_FIXED32 : return "Fixed32" ;
+ case FieldDescriptor::TYPE_SFIXED32: return "SFixed32";
+ case FieldDescriptor::TYPE_INT64 : return "Int64" ;
+ case FieldDescriptor::TYPE_UINT64 : return "UInt64" ;
+ case FieldDescriptor::TYPE_SINT64 : return "SInt64" ;
+ case FieldDescriptor::TYPE_FIXED64 : return "Fixed64" ;
+ case FieldDescriptor::TYPE_SFIXED64: return "SFixed64";
+ case FieldDescriptor::TYPE_FLOAT : return "Float" ;
+ case FieldDescriptor::TYPE_DOUBLE : return "Double" ;
+ case FieldDescriptor::TYPE_BOOL : return "Bool" ;
+ case FieldDescriptor::TYPE_STRING : return "String" ;
+ case FieldDescriptor::TYPE_BYTES : return "Bytes" ;
+ case FieldDescriptor::TYPE_ENUM : return "Enum" ;
+ case FieldDescriptor::TYPE_GROUP : return "Group" ;
+ case FieldDescriptor::TYPE_MESSAGE : return "Message" ;
+
+ // No default because we want the compiler to complain if any new
+ // types are added.
+ }
+
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ return NULL;
+}
+
+// For encodings with fixed sizes, returns that size in bytes. Otherwise
+// returns -1.
+int FixedSize(FieldDescriptor::Type type) {
+ switch (type) {
+ case FieldDescriptor::TYPE_INT32 : return -1;
+ case FieldDescriptor::TYPE_INT64 : return -1;
+ case FieldDescriptor::TYPE_UINT32 : return -1;
+ case FieldDescriptor::TYPE_UINT64 : return -1;
+ case FieldDescriptor::TYPE_SINT32 : return -1;
+ case FieldDescriptor::TYPE_SINT64 : return -1;
+ case FieldDescriptor::TYPE_FIXED32 : return WireFormatLite::kFixed32Size;
+ case FieldDescriptor::TYPE_FIXED64 : return WireFormatLite::kFixed64Size;
+ case FieldDescriptor::TYPE_SFIXED32: return WireFormatLite::kSFixed32Size;
+ case FieldDescriptor::TYPE_SFIXED64: return WireFormatLite::kSFixed64Size;
+ case FieldDescriptor::TYPE_FLOAT : return WireFormatLite::kFloatSize;
+ case FieldDescriptor::TYPE_DOUBLE : return WireFormatLite::kDoubleSize;
+
+ case FieldDescriptor::TYPE_BOOL : return WireFormatLite::kBoolSize;
+ case FieldDescriptor::TYPE_ENUM : return -1;
+
+ case FieldDescriptor::TYPE_STRING : return -1;
+ case FieldDescriptor::TYPE_BYTES : return -1;
+ case FieldDescriptor::TYPE_GROUP : return -1;
+ case FieldDescriptor::TYPE_MESSAGE : return -1;
+
+ // No default because we want the compiler to complain if any new
+ // types are added.
+ }
+ GOOGLE_LOG(FATAL) << "Can't get here.";
+ return -1;
+}
+
+bool AllAscii(const string& text) {
+ for (int i = 0; i < text.size(); i++) {
+ if ((text[i] & 0x80) != 0) {
+ return false;
+ }
+ }
+ return true;
+}
+
+
+void SetPrimitiveVariables(const FieldDescriptor* descriptor, const Params params,
+ map<string, string>* variables) {
+ (*variables)["name"] =
+ RenameJavaKeywords(UnderscoresToCamelCase(descriptor));
+ (*variables)["capitalized_name"] =
+ RenameJavaKeywords(UnderscoresToCapitalizedCamelCase(descriptor));
+ (*variables)["number"] = SimpleItoa(descriptor->number());
+ if (params.use_reference_types_for_primitives()
+ && !descriptor->is_repeated()) {
+ (*variables)["type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
+ } else {
+ (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor));
+ }
+ // Deals with defaults. For C++-string types (string and bytes),
+ // we might need to have the generated code do the unicode decoding
+ // (see comments in InternalNano.java for gory details.). We would
+ // like to do this once into a static field and re-use that from
+ // then on.
+ if (descriptor->cpp_type() == FieldDescriptor::CPPTYPE_STRING &&
+ !descriptor->default_value_string().empty() &&
+ !params.use_reference_types_for_primitives()) {
+ if (descriptor->type() == FieldDescriptor::TYPE_BYTES) {
+ (*variables)["default"] = DefaultValue(params, descriptor);
+ (*variables)["default_constant"] = FieldDefaultConstantName(descriptor);
+ (*variables)["default_constant_value"] = strings::Substitute(
+ "com.google.protobuf.nano.InternalNano.bytesDefaultValue(\"$0\")",
+ CEscape(descriptor->default_value_string()));
+ (*variables)["default_copy_if_needed"] =
+ (*variables)["default"] + ".clone()";
+ } else if (AllAscii(descriptor->default_value_string())) {
+ // All chars are ASCII. In this case directly referencing a
+ // CEscape()'d string literal works fine.
+ (*variables)["default"] =
+ "\"" + CEscape(descriptor->default_value_string()) + "\"";
+ (*variables)["default_copy_if_needed"] = (*variables)["default"];
+ } else {
+ // Strings where some chars are non-ASCII. We need to save the
+ // default value.
+ (*variables)["default"] = DefaultValue(params, descriptor);
+ (*variables)["default_constant"] = FieldDefaultConstantName(descriptor);
+ (*variables)["default_constant_value"] = strings::Substitute(
+ "com.google.protobuf.nano.InternalNano.stringDefaultValue(\"$0\")",
+ CEscape(descriptor->default_value_string()));
+ (*variables)["default_copy_if_needed"] = (*variables)["default"];
+ }
+ } else {
+ // Non-string, non-bytes field. Defaults are literals.
+ (*variables)["default"] = DefaultValue(params, descriptor);
+ (*variables)["default_copy_if_needed"] = (*variables)["default"];
+ }
+ (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
+ (*variables)["capitalized_type"] = GetCapitalizedType(descriptor);
+ (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor));
+ (*variables)["tag_size"] = SimpleItoa(
+ WireFormat::TagSize(descriptor->number(), descriptor->type()));
+ (*variables)["non_packed_tag"] = SimpleItoa(
+ internal::WireFormatLite::MakeTag(descriptor->number(),
+ internal::WireFormat::WireTypeForFieldType(descriptor->type())));
+ int fixed_size = FixedSize(descriptor->type());
+ if (fixed_size != -1) {
+ (*variables)["fixed_size"] = SimpleItoa(fixed_size);
+ }
+ (*variables)["message_name"] = descriptor->containing_type()->name();
+ (*variables)["empty_array_name"] = EmptyArrayName(params, descriptor);
+}
+} // namespace
+
+// ===================================================================
+
+PrimitiveFieldGenerator::
+PrimitiveFieldGenerator(const FieldDescriptor* descriptor, const Params& params)
+ : FieldGenerator(params), descriptor_(descriptor) {
+ SetPrimitiveVariables(descriptor, params, &variables_);
+}
+
+PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {}
+
+bool PrimitiveFieldGenerator::SavedDefaultNeeded() const {
+ return variables_.find("default_constant") != variables_.end();
+}
+
+void PrimitiveFieldGenerator::GenerateInitSavedDefaultCode(io::Printer* printer) const {
+ if (variables_.find("default_constant") != variables_.end()) {
+ printer->Print(variables_,
+ "$default_constant$ = $default_constant_value$;\n");
+ }
+}
+
+void PrimitiveFieldGenerator::
+GenerateMembers(io::Printer* printer, bool lazy_init) const {
+ if (variables_.find("default_constant") != variables_.end()) {
+ // Those primitive types that need a saved default.
+ if (lazy_init) {
+ printer->Print(variables_,
+ "private static $type$ $default_constant$;\n");
+ } else {
+ printer->Print(variables_,
+ "private static final $type$ $default_constant$ =\n"
+ " $default_constant_value$;\n");
+ }
+ }
+
+ printer->Print(variables_,
+ "public $type$ $name$;\n");
+
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "public boolean has$capitalized_name$;\n");
+ }
+}
+
+void PrimitiveFieldGenerator::
+GenerateClearCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "$name$ = $default_copy_if_needed$;\n");
+
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "has$capitalized_name$ = false;\n");
+ }
+}
+
+void PrimitiveFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "this.$name$ = input.read$capitalized_type$();\n");
+
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "has$capitalized_name$ = true;\n");
+ }
+}
+
+void PrimitiveFieldGenerator::
+GenerateSerializationConditional(io::Printer* printer) const {
+ if (params_.use_reference_types_for_primitives()) {
+ // For reference type mode, serialize based on equality
+ // to null.
+ printer->Print(variables_,
+ "if (this.$name$ != null) {\n");
+ return;
+ }
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "if (has$capitalized_name$ || ");
+ } else {
+ printer->Print(variables_,
+ "if (");
+ }
+ JavaType java_type = GetJavaType(descriptor_);
+ if (IsArrayType(java_type)) {
+ printer->Print(variables_,
+ "!java.util.Arrays.equals(this.$name$, $default$)) {\n");
+ } else if (IsReferenceType(java_type)) {
+ printer->Print(variables_,
+ "!this.$name$.equals($default$)) {\n");
+ } else if (java_type == JAVATYPE_FLOAT) {
+ printer->Print(variables_,
+ "java.lang.Float.floatToIntBits(this.$name$)\n"
+ " != java.lang.Float.floatToIntBits($default$)) {\n");
+ } else if (java_type == JAVATYPE_DOUBLE) {
+ printer->Print(variables_,
+ "java.lang.Double.doubleToLongBits(this.$name$)\n"
+ " != java.lang.Double.doubleToLongBits($default$)) {\n");
+ } else {
+ printer->Print(variables_,
+ "this.$name$ != $default$) {\n");
+ }
+}
+
+void PrimitiveFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+ if (descriptor_->is_required() && !params_.generate_has()) {
+ // Always serialize a required field if we don't have the 'has' signal.
+ printer->Print(variables_,
+ "output.write$capitalized_type$($number$, this.$name$);\n");
+ } else {
+ GenerateSerializationConditional(printer);
+ printer->Print(variables_,
+ " output.write$capitalized_type$($number$, this.$name$);\n"
+ "}\n");
+ }
+}
+
+void PrimitiveFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+ if (descriptor_->is_required() && !params_.generate_has()) {
+ printer->Print(variables_,
+ "size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+ " .compute$capitalized_type$Size($number$, this.$name$);\n");
+ } else {
+ GenerateSerializationConditional(printer);
+ printer->Print(variables_,
+ " size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+ " .compute$capitalized_type$Size($number$, this.$name$);\n"
+ "}\n");
+ }
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateFixClonedCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (this.$name$ != null && this.$name$.length > 0) {\n"
+ " cloned.$name$ = this.$name$.clone();\n"
+ "}\n");
+}
+
+void PrimitiveFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+ // We define equality as serialized form equality. If generate_has(),
+ // then if the field value equals the default value in both messages,
+ // but one's 'has' field is set and the other's is not, the serialized
+ // forms are different and we should return false.
+ JavaType java_type = GetJavaType(descriptor_);
+ if (java_type == JAVATYPE_BYTES) {
+ printer->Print(variables_,
+ "if (!java.util.Arrays.equals(this.$name$, other.$name$)");
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "\n"
+ " || (java.util.Arrays.equals(this.$name$, $default$)\n"
+ " && this.has$capitalized_name$ != other.has$capitalized_name$)");
+ }
+ printer->Print(") {\n"
+ " return false;\n"
+ "}\n");
+ } else if (java_type == JAVATYPE_STRING
+ || params_.use_reference_types_for_primitives()) {
+ printer->Print(variables_,
+ "if (this.$name$ == null) {\n"
+ " if (other.$name$ != null) {\n"
+ " return false;\n"
+ " }\n"
+ "} else if (!this.$name$.equals(other.$name$)");
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "\n"
+ " || (this.$name$.equals($default$)\n"
+ " && this.has$capitalized_name$ != other.has$capitalized_name$)");
+ }
+ printer->Print(") {\n"
+ " return false;\n"
+ "}\n");
+ } else if (java_type == JAVATYPE_FLOAT) {
+ printer->Print(variables_,
+ "{\n"
+ " int bits = java.lang.Float.floatToIntBits(this.$name$);\n"
+ " if (bits != java.lang.Float.floatToIntBits(other.$name$)");
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "\n"
+ " || (bits == java.lang.Float.floatToIntBits($default$)\n"
+ " && this.has$capitalized_name$ != other.has$capitalized_name$)");
+ }
+ printer->Print(") {\n"
+ " return false;\n"
+ " }\n"
+ "}\n");
+ } else if (java_type == JAVATYPE_DOUBLE) {
+ printer->Print(variables_,
+ "{\n"
+ " long bits = java.lang.Double.doubleToLongBits(this.$name$);\n"
+ " if (bits != java.lang.Double.doubleToLongBits(other.$name$)");
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "\n"
+ " || (bits == java.lang.Double.doubleToLongBits($default$)\n"
+ " && this.has$capitalized_name$ != other.has$capitalized_name$)");
+ }
+ printer->Print(") {\n"
+ " return false;\n"
+ " }\n"
+ "}\n");
+ } else {
+ printer->Print(variables_,
+ "if (this.$name$ != other.$name$");
+ if (params_.generate_has()) {
+ printer->Print(variables_,
+ "\n"
+ " || (this.$name$ == $default$\n"
+ " && this.has$capitalized_name$ != other.has$capitalized_name$)");
+ }
+ printer->Print(") {\n"
+ " return false;\n"
+ "}\n");
+ }
+}
+
+void PrimitiveFieldGenerator::
+GenerateHashCodeCode(io::Printer* printer) const {
+ JavaType java_type = GetJavaType(descriptor_);
+ if (java_type == JAVATYPE_BYTES) {
+ printer->Print(variables_,
+ "result = 31 * result + java.util.Arrays.hashCode(this.$name$);\n");
+ } else if (java_type == JAVATYPE_STRING
+ || params_.use_reference_types_for_primitives()) {
+ printer->Print(variables_,
+ "result = 31 * result\n"
+ " + (this.$name$ == null ? 0 : this.$name$.hashCode());\n");
+ } else {
+ switch (java_type) {
+ // For all Java primitive types below, the hash codes match the
+ // results of BoxedType.valueOf(primitiveValue).hashCode().
+ case JAVATYPE_INT:
+ printer->Print(variables_,
+ "result = 31 * result + this.$name$;\n");
+ break;
+ case JAVATYPE_LONG:
+ printer->Print(variables_,
+ "result = 31 * result\n"
+ " + (int) (this.$name$ ^ (this.$name$ >>> 32));\n");
+ break;
+ case JAVATYPE_FLOAT:
+ printer->Print(variables_,
+ "result = 31 * result\n"
+ " + java.lang.Float.floatToIntBits(this.$name$);\n");
+ break;
+ case JAVATYPE_DOUBLE:
+ printer->Print(variables_,
+ "{\n"
+ " long v = java.lang.Double.doubleToLongBits(this.$name$);\n"
+ " result = 31 * result + (int) (v ^ (v >>> 32));\n"
+ "}\n");
+ break;
+ case JAVATYPE_BOOLEAN:
+ printer->Print(variables_,
+ "result = 31 * result + (this.$name$ ? 1231 : 1237);\n");
+ break;
+ default:
+ GOOGLE_LOG(ERROR) << "unknown java type for primitive field";
+ break;
+ }
+ }
+}
+
+// ===================================================================
+
+AccessorPrimitiveFieldGenerator::
+AccessorPrimitiveFieldGenerator(const FieldDescriptor* descriptor,
+ const Params& params, int has_bit_index)
+ : FieldGenerator(params), descriptor_(descriptor) {
+ SetPrimitiveVariables(descriptor, params, &variables_);
+ SetBitOperationVariables("has", has_bit_index, &variables_);
+}
+
+AccessorPrimitiveFieldGenerator::~AccessorPrimitiveFieldGenerator() {}
+
+bool AccessorPrimitiveFieldGenerator::SavedDefaultNeeded() const {
+ return variables_.find("default_constant") != variables_.end();
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateInitSavedDefaultCode(io::Printer* printer) const {
+ if (variables_.find("default_constant") != variables_.end()) {
+ printer->Print(variables_,
+ "$default_constant$ = $default_constant_value$;\n");
+ }
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateMembers(io::Printer* printer, bool lazy_init) const {
+ if (variables_.find("default_constant") != variables_.end()) {
+ // Those primitive types that need a saved default.
+ if (lazy_init) {
+ printer->Print(variables_,
+ "private static $type$ $default_constant$;\n");
+ } else {
+ printer->Print(variables_,
+ "private static final $type$ $default_constant$ =\n"
+ " $default_constant_value$;\n");
+ }
+ }
+ printer->Print(variables_,
+ "private $type$ $name$_;\n"
+ "public $type$ get$capitalized_name$() {\n"
+ " return $name$_;\n"
+ "}\n"
+ "public $message_name$ set$capitalized_name$($type$ value) {\n");
+ if (IsReferenceType(GetJavaType(descriptor_))) {
+ printer->Print(variables_,
+ " if (value == null) {\n"
+ " throw new java.lang.NullPointerException();\n"
+ " }\n");
+ }
+ printer->Print(variables_,
+ " $name$_ = value;\n"
+ " $set_has$;\n"
+ " return this;\n"
+ "}\n"
+ "public boolean has$capitalized_name$() {\n"
+ " return $get_has$;\n"
+ "}\n"
+ "public $message_name$ clear$capitalized_name$() {\n"
+ " $name$_ = $default_copy_if_needed$;\n"
+ " $clear_has$;\n"
+ " return this;\n"
+ "}\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateClearCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "$name$_ = $default_copy_if_needed$;\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "$name$_ = input.read$capitalized_type$();\n"
+ "$set_has$;\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($get_has$) {\n"
+ " output.write$capitalized_type$($number$, $name$_);\n"
+ "}\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($get_has$) {\n"
+ " size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+ " .compute$capitalized_type$Size($number$, $name$_);\n"
+ "}\n");
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+ switch (GetJavaType(descriptor_)) {
+ // For all Java primitive types below, the equality checks match the
+ // results of BoxedType.valueOf(primitiveValue).equals(otherValue).
+ case JAVATYPE_FLOAT:
+ printer->Print(variables_,
+ "if ($different_has$\n"
+ " || java.lang.Float.floatToIntBits($name$_)\n"
+ " != java.lang.Float.floatToIntBits(other.$name$_)) {\n"
+ " return false;\n"
+ "}\n");
+ break;
+ case JAVATYPE_DOUBLE:
+ printer->Print(variables_,
+ "if ($different_has$\n"
+ " || java.lang.Double.doubleToLongBits($name$_)\n"
+ " != java.lang.Double.doubleToLongBits(other.$name$_)) {\n"
+ " return false;\n"
+ "}\n");
+ break;
+ case JAVATYPE_INT:
+ case JAVATYPE_LONG:
+ case JAVATYPE_BOOLEAN:
+ printer->Print(variables_,
+ "if ($different_has$\n"
+ " || $name$_ != other.$name$_) {\n"
+ " return false;\n"
+ "}\n");
+ break;
+ case JAVATYPE_STRING:
+ // Accessor style would guarantee $name$_ non-null
+ printer->Print(variables_,
+ "if ($different_has$\n"
+ " || !$name$_.equals(other.$name$_)) {\n"
+ " return false;\n"
+ "}\n");
+ break;
+ case JAVATYPE_BYTES:
+ // Accessor style would guarantee $name$_ non-null
+ printer->Print(variables_,
+ "if ($different_has$\n"
+ " || !java.util.Arrays.equals($name$_, other.$name$_)) {\n"
+ " return false;\n"
+ "}\n");
+ break;
+ default:
+ GOOGLE_LOG(ERROR) << "unknown java type for primitive field";
+ break;
+ }
+}
+
+void AccessorPrimitiveFieldGenerator::
+GenerateHashCodeCode(io::Printer* printer) const {
+ switch (GetJavaType(descriptor_)) {
+ // For all Java primitive types below, the hash codes match the
+ // results of BoxedType.valueOf(primitiveValue).hashCode().
+ case JAVATYPE_INT:
+ printer->Print(variables_,
+ "result = 31 * result + $name$_;\n");
+ break;
+ case JAVATYPE_LONG:
+ printer->Print(variables_,
+ "result = 31 * result + (int) ($name$_ ^ ($name$_ >>> 32));\n");
+ break;
+ case JAVATYPE_FLOAT:
+ printer->Print(variables_,
+ "result = 31 * result +\n"
+ " java.lang.Float.floatToIntBits($name$_);\n");
+ break;
+ case JAVATYPE_DOUBLE:
+ printer->Print(variables_,
+ "{\n"
+ " long v = java.lang.Double.doubleToLongBits($name$_);\n"
+ " result = 31 * result + (int) (v ^ (v >>> 32));\n"
+ "}\n");
+ break;
+ case JAVATYPE_BOOLEAN:
+ printer->Print(variables_,
+ "result = 31 * result + ($name$_ ? 1231 : 1237);\n");
+ break;
+ case JAVATYPE_STRING:
+ // Accessor style would guarantee $name$_ non-null
+ printer->Print(variables_,
+ "result = 31 * result + $name$_.hashCode();\n");
+ break;
+ case JAVATYPE_BYTES:
+ // Accessor style would guarantee $name$_ non-null
+ printer->Print(variables_,
+ "result = 31 * result + java.util.Arrays.hashCode($name$_);\n");
+ break;
+ default:
+ GOOGLE_LOG(ERROR) << "unknown java type for primitive field";
+ break;
+ }
+}
+
+// ===================================================================
+
+PrimitiveOneofFieldGenerator::PrimitiveOneofFieldGenerator(
+ const FieldDescriptor* descriptor, const Params& params)
+ : FieldGenerator(params), descriptor_(descriptor) {
+ SetPrimitiveVariables(descriptor, params, &variables_);
+ SetCommonOneofVariables(descriptor, &variables_);
+}
+
+PrimitiveOneofFieldGenerator::~PrimitiveOneofFieldGenerator() {}
+
+void PrimitiveOneofFieldGenerator::GenerateMembers(
+ io::Printer* printer, bool /*unused lazy_init*/) const {
+ printer->Print(variables_,
+ "public boolean has$capitalized_name$() {\n"
+ " return $has_oneof_case$;\n"
+ "}\n"
+ "public $type$ get$capitalized_name$() {\n"
+ " if ($has_oneof_case$) {\n"
+ " return ($type$) ($boxed_type$) this.$oneof_name$_;\n"
+ " }\n"
+ " return $default$;\n"
+ "}\n"
+ "public $message_name$ set$capitalized_name$($type$ value) {\n"
+ " $set_oneof_case$;\n"
+ " this.$oneof_name$_ = value;\n"
+ " return this;\n"
+ "}\n");
+}
+
+void PrimitiveOneofFieldGenerator::GenerateClearCode(
+ io::Printer* printer) const {
+ // No clear method for oneof fields.
+}
+
+void PrimitiveOneofFieldGenerator::GenerateMergingCode(
+ io::Printer* printer) const {
+ printer->Print(variables_,
+ "this.$oneof_name$_ = input.read$capitalized_type$();\n"
+ "$set_oneof_case$;\n");
+}
+
+void PrimitiveOneofFieldGenerator::GenerateSerializationCode(
+ io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($has_oneof_case$) {\n"
+ " output.write$capitalized_type$(\n"
+ " $number$, ($boxed_type$) this.$oneof_name$_);\n"
+ "}\n");
+}
+
+void PrimitiveOneofFieldGenerator::GenerateSerializedSizeCode(
+ io::Printer* printer) const {
+ printer->Print(variables_,
+ "if ($has_oneof_case$) {\n"
+ " size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+ " .compute$capitalized_type$Size(\n"
+ " $number$, ($boxed_type$) this.$oneof_name$_);\n"
+ "}\n");
+}
+
+void PrimitiveOneofFieldGenerator::GenerateEqualsCode(
+ io::Printer* printer) const {
+ GenerateOneofFieldEquals(descriptor_, variables_, printer);
+}
+
+void PrimitiveOneofFieldGenerator::GenerateHashCodeCode(
+ io::Printer* printer) const {
+ GenerateOneofFieldHashCode(descriptor_, variables_, printer);
+}
+
+// ===================================================================
+
+RepeatedPrimitiveFieldGenerator::RepeatedPrimitiveFieldGenerator(
+ const FieldDescriptor* descriptor, const Params& params)
+ : FieldGenerator(params), descriptor_(descriptor) {
+ SetPrimitiveVariables(descriptor, params, &variables_);
+}
+
+RepeatedPrimitiveFieldGenerator::~RepeatedPrimitiveFieldGenerator() {}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateMembers(io::Printer* printer, bool /*unused init_defaults*/) const {
+ printer->Print(variables_,
+ "public $type$[] $name$;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateClearCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "$name$ = $default$;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateMergingCode(io::Printer* printer) const {
+ // First, figure out the length of the array, then parse.
+ printer->Print(variables_,
+ "int arrayLength = com.google.protobuf.nano.WireFormatNano\n"
+ " .getRepeatedFieldArrayLength(input, $non_packed_tag$);\n"
+ "int i = this.$name$ == null ? 0 : this.$name$.length;\n");
+
+ if (GetJavaType(descriptor_) == JAVATYPE_BYTES) {
+ printer->Print(variables_,
+ "byte[][] newArray = new byte[i + arrayLength][];\n");
+ } else {
+ printer->Print(variables_,
+ "$type$[] newArray = new $type$[i + arrayLength];\n");
+ }
+ printer->Print(variables_,
+ "if (i != 0) {\n"
+ " java.lang.System.arraycopy(this.$name$, 0, newArray, 0, i);\n"
+ "}\n"
+ "for (; i < newArray.length - 1; i++) {\n"
+ " newArray[i] = input.read$capitalized_type$();\n"
+ " input.readTag();\n"
+ "}\n"
+ "// Last one without readTag.\n"
+ "newArray[i] = input.read$capitalized_type$();\n"
+ "this.$name$ = newArray;\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateMergingCodeFromPacked(io::Printer* printer) const {
+ printer->Print(
+ "int length = input.readRawVarint32();\n"
+ "int limit = input.pushLimit(length);\n");
+
+ // If we know the elements will all be of the same size, the arrayLength
+ // can be calculated much more easily. However, FixedSize() returns 1 for
+ // repeated bool fields, which are guaranteed to have the fixed size of
+ // 1 byte per value only if we control the output. On the wire they can
+ // legally appear as variable-size integers, so we need to use the slow
+ // way for repeated bool fields.
+ if (descriptor_->type() == FieldDescriptor::TYPE_BOOL
+ || FixedSize(descriptor_->type()) == -1) {
+ printer->Print(variables_,
+ "// First pass to compute array length.\n"
+ "int arrayLength = 0;\n"
+ "int startPos = input.getPosition();\n"
+ "while (input.getBytesUntilLimit() > 0) {\n"
+ " input.read$capitalized_type$();\n"
+ " arrayLength++;\n"
+ "}\n"
+ "input.rewindToPosition(startPos);\n");
+ } else {
+ printer->Print(variables_,
+ "int arrayLength = length / $fixed_size$;\n");
+ }
+
+ printer->Print(variables_,
+ "int i = this.$name$ == null ? 0 : this.$name$.length;\n"
+ "$type$[] newArray = new $type$[i + arrayLength];\n"
+ "if (i != 0) {\n"
+ " java.lang.System.arraycopy(this.$name$, 0, newArray, 0, i);\n"
+ "}\n"
+ "for (; i < newArray.length; i++) {\n"
+ " newArray[i] = input.read$capitalized_type$();\n"
+ "}\n"
+ "this.$name$ = newArray;\n"
+ "input.popLimit(limit);\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateRepeatedDataSizeCode(io::Printer* printer) const {
+ // Creates a variable dataSize and puts the serialized size in there.
+ // If the element type is a Java reference type, also generates
+ // dataCount which stores the number of non-null elements in the field.
+ if (IsReferenceType(GetJavaType(descriptor_))) {
+ printer->Print(variables_,
+ "int dataCount = 0;\n"
+ "int dataSize = 0;\n"
+ "for (int i = 0; i < this.$name$.length; i++) {\n"
+ " $type$ element = this.$name$[i];\n"
+ " if (element != null) {\n"
+ " dataCount++;\n"
+ " dataSize += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+ " .compute$capitalized_type$SizeNoTag(element);\n"
+ " }\n"
+ "}\n");
+ } else if (FixedSize(descriptor_->type()) == -1) {
+ printer->Print(variables_,
+ "int dataSize = 0;\n"
+ "for (int i = 0; i < this.$name$.length; i++) {\n"
+ " $type$ element = this.$name$[i];\n"
+ " dataSize += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+ " .compute$capitalized_type$SizeNoTag(element);\n"
+ "}\n");
+ } else {
+ printer->Print(variables_,
+ "int dataSize = $fixed_size$ * this.$name$.length;\n");
+ }
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateSerializationCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (this.$name$ != null && this.$name$.length > 0) {\n");
+ printer->Indent();
+
+ if (descriptor_->is_packable() && descriptor_->options().packed()) {
+ GenerateRepeatedDataSizeCode(printer);
+ printer->Print(variables_,
+ "output.writeRawVarint32($tag$);\n"
+ "output.writeRawVarint32(dataSize);\n"
+ "for (int i = 0; i < this.$name$.length; i++) {\n"
+ " output.write$capitalized_type$NoTag(this.$name$[i]);\n"
+ "}\n");
+ } else if (IsReferenceType(GetJavaType(descriptor_))) {
+ printer->Print(variables_,
+ "for (int i = 0; i < this.$name$.length; i++) {\n"
+ " $type$ element = this.$name$[i];\n"
+ " if (element != null) {\n"
+ " output.write$capitalized_type$($number$, element);\n"
+ " }\n"
+ "}\n");
+ } else {
+ printer->Print(variables_,
+ "for (int i = 0; i < this.$name$.length; i++) {\n"
+ " output.write$capitalized_type$($number$, this.$name$[i]);\n"
+ "}\n");
+ }
+
+ printer->Outdent();
+ printer->Print("}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateSerializedSizeCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (this.$name$ != null && this.$name$.length > 0) {\n");
+ printer->Indent();
+
+ GenerateRepeatedDataSizeCode(printer);
+
+ printer->Print(
+ "size += dataSize;\n");
+ if (descriptor_->is_packable() && descriptor_->options().packed()) {
+ printer->Print(variables_,
+ "size += $tag_size$;\n"
+ "size += com.google.protobuf.nano.CodedOutputByteBufferNano\n"
+ " .computeRawVarint32Size(dataSize);\n");
+ } else if (IsReferenceType(GetJavaType(descriptor_))) {
+ printer->Print(variables_,
+ "size += $tag_size$ * dataCount;\n");
+ } else {
+ printer->Print(variables_,
+ "size += $tag_size$ * this.$name$.length;\n");
+ }
+
+ printer->Outdent();
+
+ printer->Print(
+ "}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateEqualsCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "if (!com.google.protobuf.nano.InternalNano.equals(\n"
+ " this.$name$, other.$name$)) {\n"
+ " return false;\n"
+ "}\n");
+}
+
+void RepeatedPrimitiveFieldGenerator::
+GenerateHashCodeCode(io::Printer* printer) const {
+ printer->Print(variables_,
+ "result = 31 * result\n"
+ " + com.google.protobuf.nano.InternalNano.hashCode(this.$name$);\n");
+}
+
+} // namespace javanano
+} // namespace compiler
+} // namespace protobuf
+} // namespace google
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