Rewrote C# protogen to C++ (initial version)

1 files changed, 160 insertions, 0 deletions

diff --git a/src/google/protobuf/compiler/csharp/csharp_enum_field.cc b/src/google/protobuf/compiler/csharp/csharp_enum_field.cc
new file mode 100644
index 00000000..d5b1b477
--- /dev/null
+++ b/src/google/protobuf/compiler/csharp/csharp_enum_field.cc
@@ -0,0 +1,160 @@
+// 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.
+
+#include <sstream>
+
+#include <google/protobuf/compiler/code_generator.h>
+#include <google/protobuf/compiler/plugin.h>
+#include <google/protobuf/descriptor.h>
+#include <google/protobuf/descriptor.pb.h>
+#include <google/protobuf/io/printer.h>
+#include <google/protobuf/io/zero_copy_stream.h>
+
+#include <google/protobuf/compiler/csharp/csharp_helpers.h>
+#include <google/protobuf/compiler/csharp/csharp_enum_field.h>
+#include <google/protobuf/compiler/csharp/csharp_writer.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace csharp {
+
+EnumFieldGenerator::EnumFieldGenerator(const FieldDescriptor* descriptor,
+                                       int fieldOrdinal)
+    : FieldGeneratorBase(descriptor, fieldOrdinal) {
+}
+
+EnumFieldGenerator::~EnumFieldGenerator() {
+
+}
+
+void EnumFieldGenerator::GenerateMembers(Writer* writer) {
+  writer->WriteLine("private bool has$0$;", property_name());
+  writer->WriteLine("private $0$ $1$_ = $2$;", type_name(), name(),
+                    default_value());
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public bool Has$0$ {", property_name());
+  writer->WriteLine("  get { return has$0$; }", property_name());
+  writer->WriteLine("}");
+  AddPublicMemberAttributes(writer);
+  writer->WriteLine("public $0$ $1$ {", type_name(), property_name());
+  writer->WriteLine("  get { return $0$_; }", name());
+  writer->WriteLine("}");
+}
+
+void EnumFieldGenerator::GenerateBuilderMembers(Writer* writer) {
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public bool Has$0$ {", property_name());
+  writer->WriteLine(" get { return result.has$0$; }", property_name());
+  writer->WriteLine("}");
+  AddPublicMemberAttributes(writer);
+  writer->WriteLine("public $0$ $1$ {", type_name(), property_name());
+  writer->WriteLine("  get { return result.$0$; }", property_name());
+  writer->WriteLine("  set { Set$0$(value); }", property_name());
+  writer->WriteLine("}");
+  AddPublicMemberAttributes(writer);
+  writer->WriteLine("public Builder Set$0$($1$ value) {", property_name(),
+                    type_name());
+  writer->WriteLine("  PrepareBuilder();");
+  writer->WriteLine("  result.has$0$ = true;", property_name());
+  writer->WriteLine("  result.$0$_ = value;", name());
+  writer->WriteLine("  return this;");
+  writer->WriteLine("}");
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public Builder Clear$0$() {", property_name());
+  writer->WriteLine("  PrepareBuilder();");
+  writer->WriteLine("  result.has$0$ = false;", property_name());
+  writer->WriteLine("  result.$0$_ = $1$;", name(), default_value());
+  writer->WriteLine("  return this;");
+  writer->WriteLine("}");
+}
+
+void EnumFieldGenerator::GenerateMergingCode(Writer* writer) {
+  writer->WriteLine("if (other.Has$0$) {", property_name());
+  writer->WriteLine("  $0$ = other.$0$;", property_name());
+  writer->WriteLine("}");
+}
+
+void EnumFieldGenerator::GenerateBuildingCode(Writer* writer) {
+  // Nothing to do here for enum types
+}
+
+void EnumFieldGenerator::GenerateParsingCode(Writer* writer) {
+  writer->WriteLine("object unknown;");
+  writer->WriteLine("if(input.ReadEnum(ref result.$0$_, out unknown)) {",
+                    name());
+  writer->WriteLine("  result.has$0$ = true;", property_name());
+  writer->WriteLine("} else if(unknown is int) {");
+  if (!use_lite_runtime()) {
+    writer->WriteLine("  if (unknownFields == null) {");  // First unknown field - create builder now
+    writer->WriteLine(
+        "    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);");
+    writer->WriteLine("  }");
+    writer->WriteLine(
+        "  unknownFields.MergeVarintField($0$, (ulong)(int)unknown);",
+        number());
+  }
+  writer->WriteLine("}");
+}
+
+void EnumFieldGenerator::GenerateSerializationCode(Writer* writer) {
+  writer->WriteLine("if (has$0$) {", property_name());
+  writer->WriteLine(
+      "  output.WriteEnum($0$, field_names[$2$], (int) $1$, $1$);", number(),
+      property_name(), field_ordinal());
+  writer->WriteLine("}");
+}
+
+void EnumFieldGenerator::GenerateSerializedSizeCode(Writer* writer) {
+  writer->WriteLine("if (has$0$) {", property_name());
+  writer->WriteLine(
+      "  size += pb::CodedOutputStream.ComputeEnumSize($0$, (int) $1$);",
+      number(), property_name());
+  writer->WriteLine("}");
+}
+
+void EnumFieldGenerator::WriteHash(Writer* writer) {
+  writer->WriteLine("if (has$0$) hash ^= $1$_.GetHashCode();", property_name(),
+                    name());
+}
+void EnumFieldGenerator::WriteEquals(Writer* writer) {
+  writer->WriteLine(
+      "if (has$0$ != other.has$0$ || (has$0$ && !$1$_.Equals(other.$1$_))) return false;",
+      property_name(), name());
+}
+void EnumFieldGenerator::WriteToString(Writer* writer) {
+  writer->WriteLine("PrintField(\"$0$\", has$1$, $2$_, writer);",
+                    descriptor_->name(), property_name(), name());
+}
+
+}  // namespace csharp
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google