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

1 files changed, 226 insertions, 0 deletions

diff --git a/src/google/protobuf/compiler/csharp/csharp_repeated_enum_field.cc b/src/google/protobuf/compiler/csharp/csharp_repeated_enum_field.cc
new file mode 100644
index 00000000..cc8745ae
--- /dev/null
+++ b/src/google/protobuf/compiler/csharp/csharp_repeated_enum_field.cc
@@ -0,0 +1,226 @@
+// 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/wire_format.h>
+
+#include <google/protobuf/compiler/csharp/csharp_helpers.h>
+#include <google/protobuf/compiler/csharp/csharp_repeated_enum_field.h>
+#include <google/protobuf/compiler/csharp/csharp_writer.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace csharp {
+
+RepeatedEnumFieldGenerator::RepeatedEnumFieldGenerator(
+    const FieldDescriptor* descriptor, int fieldOrdinal)
+    : FieldGeneratorBase(descriptor, fieldOrdinal) {
+}
+
+RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {
+
+}
+
+void RepeatedEnumFieldGenerator::GenerateMembers(Writer* writer) {
+  if (descriptor_->is_packed() && optimize_speed()) {
+    writer->WriteLine("private int $0$MemoizedSerializedSize;", name());
+  }
+  writer->WriteLine(
+      "private pbc::PopsicleList<$0$> $1$_ = new pbc::PopsicleList<$0$>();",
+      type_name(), name());
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public scg::IList<$0$> $1$List {", type_name(),
+                    property_name());
+  writer->WriteLine("  get { return pbc::Lists.AsReadOnly($0$_); }", name());
+  writer->WriteLine("}");
+
+  // TODO(jonskeet): Redundant API calls? Possibly - include for portability though. Maybe create an option.
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public int $0$Count {", property_name());
+  writer->WriteLine("  get { return $0$_.Count; }", name());
+  writer->WriteLine("}");
+
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public $0$ Get$1$(int index) {", type_name(),
+                    property_name());
+  writer->WriteLine("  return $0$_[index];", name());
+  writer->WriteLine("}");
+}
+
+void RepeatedEnumFieldGenerator::GenerateBuilderMembers(Writer* writer) {
+  // Note:  We can return the original list here, because we make it unmodifiable when we build
+  // We return it via IPopsicleList so that collection initializers work more pleasantly.
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public pbc::IPopsicleList<$0$> $1$List {", type_name(),
+                    property_name());
+  writer->WriteLine("  get { return PrepareBuilder().$0$_; }", name());
+  writer->WriteLine("}");
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public int $0$Count {", property_name());
+  writer->WriteLine("  get { return result.$0$Count; }", property_name());
+  writer->WriteLine("}");
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public $0$ Get$1$(int index) {", type_name(),
+                    property_name());
+  writer->WriteLine("  return result.Get$0$(index);", property_name());
+  writer->WriteLine("}");
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public Builder Set$0$(int index, $1$ value) {",
+                    property_name(), type_name());
+  writer->WriteLine("  PrepareBuilder();");
+  writer->WriteLine("  result.$0$_[index] = value;", name());
+  writer->WriteLine("  return this;");
+  writer->WriteLine("}");
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public Builder Add$0$($1$ value) {", property_name(),
+                    type_name());
+  writer->WriteLine("  PrepareBuilder();");
+  writer->WriteLine("  result.$0$_.Add(value);", name(), type_name());
+  writer->WriteLine("  return this;");
+  writer->WriteLine("}");
+  AddDeprecatedFlag(writer);
+  writer->WriteLine(
+      "public Builder AddRange$0$(scg::IEnumerable<$1$> values) {",
+      property_name(), type_name());
+  writer->WriteLine("  PrepareBuilder();");
+  writer->WriteLine("  result.$0$_.Add(values);", name());
+  writer->WriteLine("  return this;");
+  writer->WriteLine("}");
+  AddDeprecatedFlag(writer);
+  writer->WriteLine("public Builder Clear$0$() {", property_name());
+  writer->WriteLine("  PrepareBuilder();");
+  writer->WriteLine("  result.$0$_.Clear();", name());
+  writer->WriteLine("  return this;");
+  writer->WriteLine("}");
+}
+
+void RepeatedEnumFieldGenerator::GenerateMergingCode(Writer* writer) {
+  writer->WriteLine("if (other.$0$_.Count != 0) {", name());
+  writer->WriteLine("  result.$0$_.Add(other.$0$_);", name());
+  writer->WriteLine("}");
+}
+
+void RepeatedEnumFieldGenerator::GenerateBuildingCode(Writer* writer) {
+  writer->WriteLine("$0$_.MakeReadOnly();", name());
+}
+
+void RepeatedEnumFieldGenerator::GenerateParsingCode(Writer* writer) {
+  writer->WriteLine("scg::ICollection<object> unknownItems;");
+  writer->WriteLine(
+      "input.ReadEnumArray<$0$>(tag, field_name, result.$1$_, out unknownItems);",
+      type_name(), name());
+  if (!use_lite_runtime()) {
+    writer->WriteLine("if (unknownItems != null) {");
+    writer->WriteLine("  if (unknownFields == null) {");
+    writer->WriteLine(
+        "    unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);");
+    writer->WriteLine("  }");
+    writer->WriteLine("  foreach (object rawValue in unknownItems)");
+    writer->WriteLine("    if (rawValue is int)");
+    writer->WriteLine(
+        "      unknownFields.MergeVarintField($0$, (ulong)(int)rawValue);",
+        number());
+    writer->WriteLine("}");
+  }
+}
+
+void RepeatedEnumFieldGenerator::GenerateSerializationCode(Writer* writer) {
+  writer->WriteLine("if ($0$_.Count > 0) {", name());
+  writer->Indent();
+  if (descriptor_->is_packed()) {
+    writer->WriteLine(
+        "output.WritePackedEnumArray($0$, field_names[$2$], $1$MemoizedSerializedSize, $1$_);",
+        number(), name(), field_ordinal());
+  } else {
+    writer->WriteLine("output.WriteEnumArray($0$, field_names[$2$], $1$_);",
+                      number(), name(), field_ordinal());
+  }
+  writer->Outdent();
+  writer->WriteLine("}");
+}
+
+void RepeatedEnumFieldGenerator::GenerateSerializedSizeCode(Writer* writer) {
+  writer->WriteLine("{");
+  writer->Indent();
+  writer->WriteLine("int dataSize = 0;");
+  writer->WriteLine("if ($0$_.Count > 0) {", name());
+  writer->Indent();
+  writer->WriteLine("foreach ($0$ element in $1$_) {", type_name(), name());
+  writer->WriteLine(
+      "  dataSize += pb::CodedOutputStream.ComputeEnumSizeNoTag((int) element);");
+  writer->WriteLine("}");
+  writer->WriteLine("size += dataSize;");
+  int tagSize = internal::WireFormat::TagSize(descriptor_->number(), descriptor_->type());
+  if (descriptor_->is_packed()) {
+    writer->WriteLine("size += $0$;", SimpleItoa(tagSize));
+    writer->WriteLine(
+        "size += pb::CodedOutputStream.ComputeRawVarint32Size((uint) dataSize);");
+  } else {
+    writer->WriteLine("size += $0$ * $1$_.Count;", SimpleItoa(tagSize), name());
+  }
+  writer->Outdent();
+  writer->WriteLine("}");
+  // cache the data size for packed fields.
+  if (descriptor_->is_packed()) {
+    writer->WriteLine("$0$MemoizedSerializedSize = dataSize;", name());
+  }
+  writer->Outdent();
+  writer->WriteLine("}");
+}
+
+void RepeatedEnumFieldGenerator::WriteHash(Writer* writer) {
+  writer->WriteLine("foreach($0$ i in $1$_)", type_name(), name());
+  writer->WriteLine("  hash ^= i.GetHashCode();");
+}
+
+void RepeatedEnumFieldGenerator::WriteEquals(Writer* writer) {
+  writer->WriteLine("if($0$_.Count != other.$0$_.Count) return false;", name());
+  writer->WriteLine("for(int ix=0; ix < $0$_.Count; ix++)", name());
+  writer->WriteLine("  if(!$0$_[ix].Equals(other.$0$_[ix])) return false;",
+                    name());
+}
+
+void RepeatedEnumFieldGenerator::WriteToString(Writer* writer) {
+  writer->WriteLine("PrintField(\"$0$\", $1$_, writer);", descriptor_->name(),
+                    name());
+}
+
+}  // namespace csharp
+}  // namespace compiler
+}  // namespace protobuf
+}  // namespace google