diff options
author | Jakob Buchgraber <buchgr@google.com> | 2017-04-12 14:30:38 +0200 |
---|---|---|
committer | Jakob Buchgraber <buchgr@google.com> | 2017-04-14 14:06:29 +0200 |
commit | 5235d06159ba6fee412bee261ea7867d061252b0 (patch) | |
tree | d502ed5c8d15f750c8ca1eccc2cb929862dd0947 /third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc | |
parent | 5bf9e0f225b4c1636e24782ef9043e6201a65188 (diff) |
protobuf: Update protobuf to @laszlocsomor's master at commit 421d909.
Update protobuf to @laszlocsomor's fork of protobuf. This is essentially
the development version of protobuf 3.2.0 and windows specific fixes
from laszlo. Those fixes will be merged into protobuf soon:
https://github.com/google/protobuf/pull/2969).
For instructions on how to update protobuf for bazel see
README.bazel.md.
Change-Id: Ic1daafe30270cb6bcc6231e6c94fb670af0475e7
Diffstat (limited to 'third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc')
-rw-r--r-- | third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc | 478 |
1 files changed, 478 insertions, 0 deletions
diff --git a/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc b/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc new file mode 100644 index 0000000000..4a0a23f60e --- /dev/null +++ b/third_party/protobuf/src/google/protobuf/compiler/cpp/cpp_primitive_field.cc @@ -0,0 +1,478 @@ +// 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 <google/protobuf/compiler/cpp/cpp_primitive_field.h> +#include <google/protobuf/compiler/cpp/cpp_helpers.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 cpp { + +using internal::WireFormatLite; + +namespace { + +// 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; +} + +void SetPrimitiveVariables(const FieldDescriptor* descriptor, + std::map<string, string>* variables, + const Options& options) { + SetCommonFieldVariables(descriptor, variables, options); + (*variables)["type"] = PrimitiveTypeName(descriptor->cpp_type()); + (*variables)["default"] = DefaultValue(descriptor); + (*variables)["tag"] = SimpleItoa(internal::WireFormat::MakeTag(descriptor)); + int fixed_size = FixedSize(descriptor->type()); + if (fixed_size != -1) { + (*variables)["fixed_size"] = SimpleItoa(fixed_size); + } + (*variables)["wire_format_field_type"] = + "::google::protobuf::internal::WireFormatLite::" + FieldDescriptorProto_Type_Name( + static_cast<FieldDescriptorProto_Type>(descriptor->type())); + (*variables)["full_name"] = descriptor->full_name(); +} + +} // namespace + +// =================================================================== + +PrimitiveFieldGenerator::PrimitiveFieldGenerator( + const FieldDescriptor* descriptor, const Options& options) + : FieldGenerator(options), descriptor_(descriptor) { + SetPrimitiveVariables(descriptor, &variables_, options); +} + +PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {} + +void PrimitiveFieldGenerator:: +GeneratePrivateMembers(io::Printer* printer) const { + printer->Print(variables_, "$type$ $name$_;\n"); +} + +void PrimitiveFieldGenerator:: +GenerateAccessorDeclarations(io::Printer* printer) const { + printer->Print(variables_, + "$deprecated_attr$$type$ $name$() const;\n" + "$deprecated_attr$void set_$name$($type$ value);\n"); +} + +void PrimitiveFieldGenerator:: +GenerateInlineAccessorDefinitions(io::Printer* printer, bool is_inline) const { + std::map<string, string> variables(variables_); + variables["inline"] = is_inline ? "inline " : ""; + printer->Print(variables, + "$inline$$type$ $classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " return $name$_;\n" + "}\n" + "$inline$void $classname$::set_$name$($type$ value) {\n" + " $set_hasbit$\n" + " $name$_ = value;\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n"); +} + +void PrimitiveFieldGenerator:: +GenerateClearingCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_ = $default$;\n"); +} + +void PrimitiveFieldGenerator:: +GenerateMergingCode(io::Printer* printer) const { + printer->Print(variables_, "set_$name$(from.$name$());\n"); +} + +void PrimitiveFieldGenerator:: +GenerateSwappingCode(io::Printer* printer) const { + printer->Print(variables_, "std::swap($name$_, other->$name$_);\n"); +} + +void PrimitiveFieldGenerator:: +GenerateConstructorCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_ = $default$;\n"); +} + +void PrimitiveFieldGenerator:: +GenerateCopyConstructorCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_ = from.$name$_;\n"); +} + +void PrimitiveFieldGenerator:: +GenerateMergeFromCodedStream(io::Printer* printer) const { + printer->Print(variables_, + "$set_hasbit$\n" + "DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<\n" + " $type$, $wire_format_field_type$>(\n" + " input, &$name$_)));\n"); +} + +void PrimitiveFieldGenerator:: +GenerateSerializeWithCachedSizes(io::Printer* printer) const { + printer->Print(variables_, + "::google::protobuf::internal::WireFormatLite::Write$declared_type$(" + "$number$, this->$name$(), output);\n"); +} + +void PrimitiveFieldGenerator:: +GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const { + printer->Print(variables_, + "target = ::google::protobuf::internal::WireFormatLite::Write$declared_type$ToArray(" + "$number$, this->$name$(), target);\n"); +} + +void PrimitiveFieldGenerator:: +GenerateByteSize(io::Printer* printer) const { + int fixed_size = FixedSize(descriptor_->type()); + if (fixed_size == -1) { + printer->Print(variables_, + "total_size += $tag_size$ +\n" + " ::google::protobuf::internal::WireFormatLite::$declared_type$Size(\n" + " this->$name$());\n"); + } else { + printer->Print(variables_, + "total_size += $tag_size$ + $fixed_size$;\n"); + } +} + +// =================================================================== + +PrimitiveOneofFieldGenerator:: +PrimitiveOneofFieldGenerator(const FieldDescriptor* descriptor, + const Options& options) + : PrimitiveFieldGenerator(descriptor, options) { + SetCommonOneofFieldVariables(descriptor, &variables_); +} + +PrimitiveOneofFieldGenerator::~PrimitiveOneofFieldGenerator() {} + +void PrimitiveOneofFieldGenerator:: +GenerateInlineAccessorDefinitions(io::Printer* printer, bool is_inline) const { + std::map<string, string> variables(variables_); + variables["inline"] = is_inline ? "inline " : ""; + printer->Print(variables, + "$inline$$type$ $classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " if (has_$name$()) {\n" + " return $oneof_prefix$$name$_;\n" + " }\n" + " return $default$;\n" + "}\n" + "$inline$void $classname$::set_$name$($type$ value) {\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " }\n" + " $oneof_prefix$$name$_ = value;\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n"); +} + +void PrimitiveOneofFieldGenerator:: +GenerateClearingCode(io::Printer* printer) const { + printer->Print(variables_, "$oneof_prefix$$name$_ = $default$;\n"); +} + +void PrimitiveOneofFieldGenerator:: +GenerateSwappingCode(io::Printer* printer) const { + // Don't print any swapping code. Swapping the union will swap this field. +} + +void PrimitiveOneofFieldGenerator:: +GenerateConstructorCode(io::Printer* printer) const { + printer->Print( + variables_, + "_$classname$_default_instance_.$name$_ = $default$;\n"); +} + +void PrimitiveOneofFieldGenerator:: +GenerateMergeFromCodedStream(io::Printer* printer) const { + printer->Print(variables_, + "clear_$oneof_name$();\n" + "DO_((::google::protobuf::internal::WireFormatLite::ReadPrimitive<\n" + " $type$, $wire_format_field_type$>(\n" + " input, &$oneof_prefix$$name$_)));\n" + "set_has_$name$();\n"); +} + +// =================================================================== + +RepeatedPrimitiveFieldGenerator::RepeatedPrimitiveFieldGenerator( + const FieldDescriptor* descriptor, const Options& options) + : FieldGenerator(options), descriptor_(descriptor) { + SetPrimitiveVariables(descriptor, &variables_, options); + + if (descriptor->is_packed()) { + variables_["packed_reader"] = "ReadPackedPrimitive"; + variables_["repeated_reader"] = "ReadRepeatedPrimitiveNoInline"; + } else { + variables_["packed_reader"] = "ReadPackedPrimitiveNoInline"; + variables_["repeated_reader"] = "ReadRepeatedPrimitive"; + } +} + +RepeatedPrimitiveFieldGenerator::~RepeatedPrimitiveFieldGenerator() {} + +void RepeatedPrimitiveFieldGenerator:: +GeneratePrivateMembers(io::Printer* printer) const { + printer->Print(variables_, + "::google::protobuf::RepeatedField< $type$ > $name$_;\n"); + if (descriptor_->is_packed() && + HasGeneratedMethods(descriptor_->file(), options_)) { + printer->Print(variables_, + "mutable int _$name$_cached_byte_size_;\n"); + } +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateAccessorDeclarations(io::Printer* printer) const { + printer->Print(variables_, + "$deprecated_attr$$type$ $name$(int index) const;\n" + "$deprecated_attr$void set_$name$(int index, $type$ value);\n" + "$deprecated_attr$void add_$name$($type$ value);\n"); + printer->Print(variables_, + "$deprecated_attr$const ::google::protobuf::RepeatedField< $type$ >&\n" + " $name$() const;\n" + "$deprecated_attr$::google::protobuf::RepeatedField< $type$ >*\n" + " mutable_$name$();\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateInlineAccessorDefinitions(io::Printer* printer, bool is_inline) const { + std::map<string, string> variables(variables_); + variables["inline"] = is_inline ? "inline " : ""; + printer->Print(variables, + "$inline$$type$ $classname$::$name$(int index) const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " return $name$_.Get(index);\n" + "}\n" + "$inline$void $classname$::set_$name$(int index, $type$ value) {\n" + " $name$_.Set(index, value);\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n" + "$inline$void $classname$::add_$name$($type$ value) {\n" + " $name$_.Add(value);\n" + " // @@protoc_insertion_point(field_add:$full_name$)\n" + "}\n"); + printer->Print(variables, + "$inline$const ::google::protobuf::RepeatedField< $type$ >&\n" + "$classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_list:$full_name$)\n" + " return $name$_;\n" + "}\n" + "$inline$::google::protobuf::RepeatedField< $type$ >*\n" + "$classname$::mutable_$name$() {\n" + " // @@protoc_insertion_point(field_mutable_list:$full_name$)\n" + " return &$name$_;\n" + "}\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateClearingCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_.Clear();\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateMergingCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_.MergeFrom(from.$name$_);\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateSwappingCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_.UnsafeArenaSwap(&other->$name$_);\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateConstructorCode(io::Printer* printer) const { + // Not needed for repeated fields. +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateCopyConstructorCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_.CopyFrom(from.$name$_);\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateMergeFromCodedStream(io::Printer* printer) const { + printer->Print(variables_, + "DO_((::google::protobuf::internal::WireFormatLite::$repeated_reader$<\n" + " $type$, $wire_format_field_type$>(\n" + " $tag_size$, $tag$u, input, this->mutable_$name$())));\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateMergeFromCodedStreamWithPacking(io::Printer* printer) const { + printer->Print(variables_, + "DO_((::google::protobuf::internal::WireFormatLite::$packed_reader$<\n" + " $type$, $wire_format_field_type$>(\n" + " input, this->mutable_$name$())));\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateSerializeWithCachedSizes(io::Printer* printer) const { + bool array_written = false; + if (descriptor_->is_packed()) { + // Write the tag and the size. + printer->Print(variables_, + "if (this->$name$_size() > 0) {\n" + " ::google::protobuf::internal::WireFormatLite::WriteTag(" + "$number$, " + "::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED, " + "output);\n" + " output->WriteVarint32(_$name$_cached_byte_size_);\n"); + + if (FixedSize(descriptor_->type()) > 0) { + printer->Print(variables_, + " ::google::protobuf::internal::WireFormatLite::Write$declared_type$Array(\n" + " this->$name$().data(), this->$name$_size(), output);\n"); + array_written = true; // Wrote array all at once + } + printer->Print(variables_, "}\n"); + } + if (!array_written) { + printer->Print(variables_, + "for (int i = 0, n = this->$name$_size(); i < n; i++) {\n"); + if (descriptor_->is_packed()) { + printer->Print(variables_, + " ::google::protobuf::internal::WireFormatLite::Write$declared_type$NoTag(\n" + " this->$name$(i), output);\n"); + } else { + printer->Print(variables_, + " ::google::protobuf::internal::WireFormatLite::Write$declared_type$(\n" + " $number$, this->$name$(i), output);\n"); + } + printer->Print("}\n"); + } +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const { + if (descriptor_->is_packed()) { + // Write the tag and the size. + printer->Print(variables_, + "if (this->$name$_size() > 0) {\n" + " target = ::google::protobuf::internal::WireFormatLite::WriteTagToArray(\n" + " $number$,\n" + " ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED,\n" + " target);\n" + " target = ::google::protobuf::io::CodedOutputStream::WriteVarint32ToArray(\n" + " _$name$_cached_byte_size_, target);\n" + "}\n"); + } + printer->Print(variables_, + "for (int i = 0, n = this->$name$_size(); i < n; i++) {\n"); + if (descriptor_->is_packed()) { + printer->Print(variables_, + " target = ::google::protobuf::internal::WireFormatLite::\n" + " Write$declared_type$NoTagToArray(this->$name$(i), target);\n"); + } else { + printer->Print(variables_, + " target = ::google::protobuf::internal::WireFormatLite::\n" + " Write$declared_type$ToArray($number$, this->$name$(i), target);\n"); + } + printer->Print("}\n"); +} + +void RepeatedPrimitiveFieldGenerator:: +GenerateByteSize(io::Printer* printer) const { + printer->Print(variables_, "{\n"); + printer->Indent(); + int fixed_size = FixedSize(descriptor_->type()); + if (fixed_size == -1) { + printer->Print(variables_, + "size_t data_size = ::google::protobuf::internal::WireFormatLite::\n" + " $declared_type$Size(this->$name$_);\n"); + } else { + printer->Print(variables_, + "unsigned int count = this->$name$_size();\n" + "size_t data_size = $fixed_size$UL * count;\n"); + } + + if (descriptor_->is_packed()) { + printer->Print(variables_, + "if (data_size > 0) {\n" + " total_size += $tag_size$ +\n" + " ::google::protobuf::internal::WireFormatLite::Int32Size(data_size);\n" + "}\n" + "int cached_size = ::google::protobuf::internal::ToCachedSize(data_size);\n" + "GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN();\n" + "_$name$_cached_byte_size_ = cached_size;\n" + "GOOGLE_SAFE_CONCURRENT_WRITES_END();\n" + "total_size += data_size;\n"); + } else { + printer->Print(variables_, + "total_size += $tag_size$ *\n" + " ::google::protobuf::internal::FromIntSize(this->$name$_size());\n" + "total_size += data_size;\n"); + } + printer->Outdent(); + printer->Print("}\n"); +} + +} // namespace cpp +} // namespace compiler +} // namespace protobuf +} // namespace google |