diff options
Diffstat (limited to 'src/google/protobuf/compiler/javanano/javanano_primitive_field.cc')
-rw-r--r-- | src/google/protobuf/compiler/javanano/javanano_primitive_field.cc | 968 |
1 files changed, 0 insertions, 968 deletions
diff --git a/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc b/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc deleted file mode 100644 index 66a0ff05..00000000 --- a/src/google/protobuf/compiler/javanano/javanano_primitive_field.cc +++ /dev/null @@ -1,968 +0,0 @@ -// 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, - std::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 |