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Unified Diff: third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc

Issue 1983203003: Update third_party/protobuf to protobuf-v3.0.0-beta-3 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: owners Created 4 years, 7 months ago
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Index: third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc
diff --git a/third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc b/third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc
index 5715a43294ba3e4e6b57bde35f60d892141d6cad..4c474a48a692f0fee2cea85f46632d969631de12 100644
--- a/third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc
+++ b/third_party/protobuf/src/google/protobuf/compiler/java/java_message.cc
@@ -89,19 +89,20 @@ MessageGenerator::MessageGenerator(const Descriptor* descriptor)
MessageGenerator::~MessageGenerator() {}
// ===================================================================
-// TODO(api): Move this class to a separate immutable_message.cc file.
ImmutableMessageGenerator::ImmutableMessageGenerator(
const Descriptor* descriptor, Context* context)
: MessageGenerator(descriptor), context_(context),
name_resolver_(context->GetNameResolver()),
field_generators_(descriptor, context_) {
- GOOGLE_CHECK_NE(
- FileOptions::LITE_RUNTIME, descriptor->file()->options().optimize_for());
+ GOOGLE_CHECK(HasDescriptorMethods(descriptor->file(), context->EnforceLite()))
+ << "Generator factory error: A non-lite message generator is used to "
+ "generate lite messages.";
}
ImmutableMessageGenerator::~ImmutableMessageGenerator() {}
-void ImmutableMessageGenerator::GenerateStaticVariables(io::Printer* printer) {
+void ImmutableMessageGenerator::GenerateStaticVariables(
+ io::Printer* printer, int* bytecode_estimate) {
// Because descriptor.proto (com.google.protobuf.DescriptorProtos) is
// used in the construction of descriptors, we have a tricky bootstrapping
// problem. To help control static initialization order, we make sure all
@@ -124,23 +125,29 @@ void ImmutableMessageGenerator::GenerateStaticVariables(io::Printer* printer) {
} else {
vars["private"] = "private ";
}
+ if (*bytecode_estimate <= kMaxStaticSize) {
+ vars["final"] = "final ";
+ } else {
+ vars["final"] = "";
+ }
// The descriptor for this type.
printer->Print(vars,
// TODO(teboring): final needs to be added back. The way to fix it is to
// generate methods that can construct the types, and then still declare the
// types, and then init them in clinit with the new method calls.
- "$private$static com.google.protobuf.Descriptors.Descriptor\n"
+ "$private$static $final$com.google.protobuf.Descriptors.Descriptor\n"
" internal_$identifier$_descriptor;\n");
+ *bytecode_estimate += 30;
// And the FieldAccessorTable.
- GenerateFieldAccessorTable(printer);
+ GenerateFieldAccessorTable(printer, bytecode_estimate);
// Generate static members for all nested types.
for (int i = 0; i < descriptor_->nested_type_count(); i++) {
// TODO(kenton): Reuse MessageGenerator objects?
ImmutableMessageGenerator(descriptor_->nested_type(i), context_)
- .GenerateStaticVariables(printer);
+ .GenerateStaticVariables(printer, bytecode_estimate);
}
}
@@ -183,7 +190,7 @@ int ImmutableMessageGenerator::GenerateStaticVariableInitializers(
}
void ImmutableMessageGenerator::
-GenerateFieldAccessorTable(io::Printer* printer) {
+GenerateFieldAccessorTable(io::Printer* printer, int* bytecode_estimate) {
map<string, string> vars;
vars["identifier"] = UniqueFileScopeIdentifier(descriptor_);
if (MultipleJavaFiles(descriptor_->file(), /* immutable = */ true)) {
@@ -193,10 +200,19 @@ GenerateFieldAccessorTable(io::Printer* printer) {
} else {
vars["private"] = "private ";
}
+ if (*bytecode_estimate <= kMaxStaticSize) {
+ vars["final"] = "final ";
+ } else {
+ vars["final"] = "";
+ }
printer->Print(vars,
- "$private$static\n"
+ "$private$static $final$\n"
" com.google.protobuf.GeneratedMessage.FieldAccessorTable\n"
" internal_$identifier$_fieldAccessorTable;\n");
+
+ // 6 bytes per field and oneof
+ *bytecode_estimate += 10 + 6 * descriptor_->field_count()
+ + 6 * descriptor_->oneof_decl_count();
}
int ImmutableMessageGenerator::
@@ -342,7 +358,7 @@ void ImmutableMessageGenerator::Generate(io::Printer* printer) {
printer->Print(
"}\n");
- if (HasGeneratedMethods(descriptor_)) {
+ if (context_->HasGeneratedMethods(descriptor_)) {
GenerateParsingConstructor(printer);
}
@@ -408,12 +424,20 @@ void ImmutableMessageGenerator::Generate(io::Printer* printer) {
"cap_oneof_name",
ToUpper(vars["oneof_name"]));
printer->Print(vars,
- "private int value = 0;\n"
+ "private final int value;\n"
"private $oneof_capitalized_name$Case(int value) {\n"
" this.value = value;\n"
"}\n");
printer->Print(vars,
+ "/**\n"
+ " * @deprecated Use {@link #forNumber(int)} instead.\n"
+ " */\n"
+ "@java.lang.Deprecated\n"
"public static $oneof_capitalized_name$Case valueOf(int value) {\n"
+ " return forNumber(value);\n"
+ "}\n"
+ "\n"
+ "public static $oneof_capitalized_name$Case forNumber(int value) {\n"
" switch (value) {\n");
for (int j = 0; j < descriptor_->oneof_decl(i)->field_count(); j++) {
const FieldDescriptor* field = descriptor_->oneof_decl(i)->field(j);
@@ -426,8 +450,7 @@ void ImmutableMessageGenerator::Generate(io::Printer* printer) {
}
printer->Print(
" case 0: return $cap_oneof_name$_NOT_SET;\n"
- " default: throw new java.lang.IllegalArgumentException(\n"
- " \"Value is undefined for this oneof enum.\");\n"
+ " default: return null;\n"
" }\n"
"}\n"
"public int getNumber() {\n"
@@ -440,7 +463,7 @@ void ImmutableMessageGenerator::Generate(io::Printer* printer) {
printer->Print(vars,
"public $oneof_capitalized_name$Case\n"
"get$oneof_capitalized_name$Case() {\n"
- " return $oneof_capitalized_name$Case.valueOf(\n"
+ " return $oneof_capitalized_name$Case.forNumber(\n"
" $oneof_name$Case_);\n"
"}\n"
"\n");
@@ -459,7 +482,7 @@ void ImmutableMessageGenerator::Generate(io::Printer* printer) {
printer->Print("\n");
}
- if (HasGeneratedMethods(descriptor_)) {
+ if (context_->HasGeneratedMethods(descriptor_)) {
GenerateIsInitialized(printer);
GenerateMessageSerializationMethods(printer);
}
@@ -664,34 +687,40 @@ GenerateParseFromMethods(io::Printer* printer) {
"}\n"
"public static $classname$ parseFrom(java.io.InputStream input)\n"
" throws java.io.IOException {\n"
- " return PARSER.parseFrom(input);\n"
+ " return com.google.protobuf.GeneratedMessage\n"
+ " .parseWithIOException(PARSER, input);\n"
"}\n"
"public static $classname$ parseFrom(\n"
" java.io.InputStream input,\n"
" com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
" throws java.io.IOException {\n"
- " return PARSER.parseFrom(input, extensionRegistry);\n"
+ " return com.google.protobuf.GeneratedMessage\n"
+ " .parseWithIOException(PARSER, input, extensionRegistry);\n"
"}\n"
"public static $classname$ parseDelimitedFrom(java.io.InputStream input)\n"
" throws java.io.IOException {\n"
- " return PARSER.parseDelimitedFrom(input);\n"
+ " return com.google.protobuf.GeneratedMessage\n"
+ " .parseDelimitedWithIOException(PARSER, input);\n"
"}\n"
"public static $classname$ parseDelimitedFrom(\n"
" java.io.InputStream input,\n"
" com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
" throws java.io.IOException {\n"
- " return PARSER.parseDelimitedFrom(input, extensionRegistry);\n"
+ " return com.google.protobuf.GeneratedMessage\n"
+ " .parseDelimitedWithIOException(PARSER, input, extensionRegistry);\n"
"}\n"
"public static $classname$ parseFrom(\n"
" com.google.protobuf.CodedInputStream input)\n"
" throws java.io.IOException {\n"
- " return PARSER.parseFrom(input);\n"
+ " return com.google.protobuf.GeneratedMessage\n"
+ " .parseWithIOException(PARSER, input);\n"
"}\n"
"public static $classname$ parseFrom(\n"
" com.google.protobuf.CodedInputStream input,\n"
" com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
" throws java.io.IOException {\n"
- " return PARSER.parseFrom(input, extensionRegistry);\n"
+ " return com.google.protobuf.GeneratedMessage\n"
+ " .parseWithIOException(PARSER, input, extensionRegistry);\n"
"}\n"
"\n",
"classname", name_resolver_->GetImmutableClassName(descriptor_));
@@ -1049,22 +1078,52 @@ GenerateEqualsAndHashCode(io::Printer* printer) {
printer->Print("hash = (19 * hash) + getDescriptorForType().hashCode();\n");
+ // hashCode non-oneofs.
for (int i = 0; i < descriptor_->field_count(); i++) {
const FieldDescriptor* field = descriptor_->field(i);
- const FieldGeneratorInfo* info = context_->GetFieldGeneratorInfo(field);
- bool check_has_bits = CheckHasBitsForEqualsAndHashCode(field);
- if (check_has_bits) {
+ if (field->containing_oneof() == NULL) {
+ const FieldGeneratorInfo* info = context_->GetFieldGeneratorInfo(field);
+ bool check_has_bits = CheckHasBitsForEqualsAndHashCode(field);
+ if (check_has_bits) {
+ printer->Print(
+ "if (has$name$()) {\n",
+ "name", info->capitalized_name);
+ printer->Indent();
+ }
+ field_generators_.get(field).GenerateHashCode(printer);
+ if (check_has_bits) {
+ printer->Outdent();
+ printer->Print("}\n");
+ }
+ }
+ }
+
+ // hashCode oneofs.
+ for (int i = 0; i < descriptor_->oneof_decl_count(); i++) {
+ printer->Print(
+ "switch ($oneof_name$Case_) {\n",
+ "oneof_name",
+ context_->GetOneofGeneratorInfo(
+ descriptor_->oneof_decl(i))->name);
+ printer->Indent();
+ for (int j = 0; j < descriptor_->oneof_decl(i)->field_count(); j++) {
+ const FieldDescriptor* field = descriptor_->oneof_decl(i)->field(j);
printer->Print(
- "if (has$name$()) {\n",
- "name", info->capitalized_name);
+ "case $field_number$:\n",
+ "field_number",
+ SimpleItoa(field->number()));
printer->Indent();
- }
- field_generators_.get(field).GenerateHashCode(printer);
- if (check_has_bits) {
+ field_generators_.get(field).GenerateHashCode(printer);
+ printer->Print("break;\n");
printer->Outdent();
- printer->Print("}\n");
}
+ printer->Print(
+ "case 0:\n"
+ "default:\n");
+ printer->Outdent();
+ printer->Print("}\n");
}
+
if (descriptor_->extension_range_count() > 0) {
printer->Print(
"hash = hashFields(hash, getExtensionFields());\n");
@@ -1105,7 +1164,8 @@ GenerateParsingConstructor(io::Printer* printer) {
printer->Print(
"private $classname$(\n"
" com.google.protobuf.CodedInputStream input,\n"
- " com.google.protobuf.ExtensionRegistryLite extensionRegistry) {\n",
+ " com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
+ " throws com.google.protobuf.InvalidProtocolBufferException {\n",
"classname", descriptor_->name());
printer->Indent();
@@ -1165,7 +1225,8 @@ GenerateParsingConstructor(io::Printer* printer) {
"default: {\n"
" if (!input.skipField(tag)) {\n"
" done = true;\n" // it's an endgroup tag
- " }\n"
+ " }\n");
+ printer->Print(
" break;\n"
"}\n");
}
@@ -1215,11 +1276,10 @@ GenerateParsingConstructor(io::Printer* printer) {
printer->Outdent();
printer->Print(
"} catch (com.google.protobuf.InvalidProtocolBufferException e) {\n"
- " throw new RuntimeException(e.setUnfinishedMessage(this));\n"
+ " throw e.setUnfinishedMessage(this);\n"
"} catch (java.io.IOException e) {\n"
- " throw new RuntimeException(\n"
- " new com.google.protobuf.InvalidProtocolBufferException(\n"
- " e.getMessage()).setUnfinishedMessage(this));\n"
+ " throw new com.google.protobuf.InvalidProtocolBufferException(\n"
+ " e).setUnfinishedMessage(this);\n"
"} finally {\n");
printer->Indent();
@@ -1261,20 +1321,9 @@ void ImmutableMessageGenerator::GenerateParser(io::Printer* printer) {
" com.google.protobuf.ExtensionRegistryLite extensionRegistry)\n"
" throws com.google.protobuf.InvalidProtocolBufferException {\n",
"classname", descriptor_->name());
- if (HasGeneratedMethods(descriptor_)) {
- // The parsing constructor throws an InvalidProtocolBufferException via a
- // RuntimeException to aid in method pruning. We unwrap it here.
+ if (context_->HasGeneratedMethods(descriptor_)) {
printer->Print(
- " try {\n"
- " return new $classname$(input, extensionRegistry);\n"
- " } catch (RuntimeException e) {\n"
- " if (e.getCause() instanceof\n"
- " com.google.protobuf.InvalidProtocolBufferException) {\n"
- " throw (com.google.protobuf.InvalidProtocolBufferException)\n"
- " e.getCause();\n"
- " }\n"
- " throw e;\n"
- " }\n",
+ " return new $classname$(input, extensionRegistry);\n",
"classname", descriptor_->name());
} else {
// When parsing constructor isn't generated, use builder to parse
@@ -1329,14 +1378,39 @@ void ImmutableMessageGenerator::GenerateInitializers(io::Printer* printer) {
void ImmutableMessageGenerator::GenerateAnyMethods(io::Printer* printer) {
printer->Print(
"private static String getTypeUrl(\n"
+ " java.lang.String typeUrlPrefix,\n"
" com.google.protobuf.Descriptors.Descriptor descriptor) {\n"
- " return \"type.googleapis.com/\" + descriptor.getFullName();\n"
+ " return typeUrlPrefix.endsWith(\"/\")\n"
+ " ? typeUrlPrefix + descriptor.getFullName()\n"
+ " : typeUrlPrefix + \"/\" + descriptor.getFullName();\n"
+ "}\n"
+ "\n"
+ "private static String getTypeNameFromTypeUrl(\n"
+ " java.lang.String typeUrl) {\n"
+ " int pos = typeUrl.lastIndexOf('/');\n"
+ " return pos == -1 ? \"\" : typeUrl.substring(pos + 1);\n"
"}\n"
"\n"
"public static <T extends com.google.protobuf.Message> Any pack(\n"
" T message) {\n"
" return Any.newBuilder()\n"
- " .setTypeUrl(getTypeUrl(message.getDescriptorForType()))\n"
+ " .setTypeUrl(getTypeUrl(\"type.googleapis.com\",\n"
+ " message.getDescriptorForType()))\n"
+ " .setValue(message.toByteString())\n"
+ " .build();\n"
+ "}\n"
+ "\n"
+ "/**\n"
+ " * Packs a message uisng the given type URL prefix. The type URL will\n"
+ " * be constructed by concatenating the message type's full name to the\n"
+ " * prefix with an optional \"/\" separator if the prefix doesn't end\n"
+ " * with \"/\" already.\n"
+ " */\n"
+ "public static <T extends com.google.protobuf.Message> Any pack(\n"
+ " T message, java.lang.String typeUrlPrefix) {\n"
+ " return Any.newBuilder()\n"
+ " .setTypeUrl(getTypeUrl(typeUrlPrefix,\n"
+ " message.getDescriptorForType()))\n"
" .setValue(message.toByteString())\n"
" .build();\n"
"}\n"
@@ -1345,8 +1419,8 @@ void ImmutableMessageGenerator::GenerateAnyMethods(io::Printer* printer) {
" java.lang.Class<T> clazz) {\n"
" T defaultInstance =\n"
" com.google.protobuf.Internal.getDefaultInstance(clazz);\n"
- " return getTypeUrl().equals(\n"
- " getTypeUrl(defaultInstance.getDescriptorForType()));\n"
+ " return getTypeNameFromTypeUrl(getTypeUrl()).equals(\n"
+ " defaultInstance.getDescriptorForType().getFullName());\n"
"}\n"
"\n"
"private volatile com.google.protobuf.Message cachedUnpackValue;\n"
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