diff options
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_string_field.cc')
| -rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_string_field.cc | 1182 |
1 files changed, 752 insertions, 430 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_string_field.cc b/src/google/protobuf/compiler/cpp/cpp_string_field.cc index 6b0821a6..cf6c4b33 100644 --- a/src/google/protobuf/compiler/cpp/cpp_string_field.cc +++ b/src/google/protobuf/compiler/cpp/cpp_string_field.cc @@ -34,8 +34,9 @@ #include <google/protobuf/compiler/cpp/cpp_string_field.h> #include <google/protobuf/compiler/cpp/cpp_helpers.h> -#include <google/protobuf/io/printer.h> #include <google/protobuf/descriptor.pb.h> +#include <google/protobuf/io/printer.h> + #include <google/protobuf/stubs/strutil.h> namespace google { @@ -46,22 +47,22 @@ namespace cpp { namespace { void SetStringVariables(const FieldDescriptor* descriptor, - map<string, string>* variables, + std::map<string, string>* variables, const Options& options) { SetCommonFieldVariables(descriptor, variables, options); (*variables)["default"] = DefaultValue(descriptor); (*variables)["default_length"] = SimpleItoa(descriptor->default_value_string().length()); - string default_variable_string = + string default_variable_string = MakeDefaultName(descriptor); + (*variables)["default_variable_name"] = default_variable_string; + (*variables)["default_variable"] = descriptor->default_value_string().empty() ? "&::google::protobuf::internal::GetEmptyStringAlreadyInited()" - : "_default_" + FieldName(descriptor) + "_"; - (*variables)["default_variable"] = default_variable_string; - (*variables)["default_value_init"] = - descriptor->default_value_string().empty() - ? "" : "*" + default_variable_string; + : "&" + Namespace(descriptor) + "::" + (*variables)["classname"] + + "::" + default_variable_string + ".get()"; (*variables)["pointer_type"] = descriptor->type() == FieldDescriptor::TYPE_BYTES ? "void" : "char"; + (*variables)["null_check"] = "GOOGLE_DCHECK(value != NULL);\n"; // NOTE: Escaped here to unblock proto1->proto2 migration. // TODO(liujisi): Extend this to apply for other conflicting methods. (*variables)["release_name"] = @@ -70,16 +71,35 @@ void SetStringVariables(const FieldDescriptor* descriptor, (*variables)["full_name"] = descriptor->full_name(); (*variables)["string_piece"] = "::std::string"; + + (*variables)["lite"] = + HasDescriptorMethods(descriptor->file(), options) ? "" : "Lite"; } } // namespace // =================================================================== -StringFieldGenerator:: -StringFieldGenerator(const FieldDescriptor* descriptor, - const Options& options) - : descriptor_(descriptor) { +StringFieldGenerator::StringFieldGenerator(const FieldDescriptor* descriptor, + const Options& options) + : FieldGenerator(options), + descriptor_(descriptor), + lite_(!HasDescriptorMethods(descriptor->file(), options)), + inlined_(false) { + + // TODO(ckennelly): Handle inlining for any.proto. + if (IsAnyMessage(descriptor_->containing_type())) { + inlined_ = false; + } + if (descriptor_->containing_type()->options().map_entry()) { + inlined_ = false; + } + + // Limit to proto2, as we rely on has bits to distinguish field presence for + // release_$name$. On proto3, we cannot use the address of the string + // instance when the field has been inlined. + inlined_ = inlined_ && HasFieldPresence(descriptor_->file()); + SetStringVariables(descriptor, &variables_, options); } @@ -87,25 +107,36 @@ StringFieldGenerator::~StringFieldGenerator() {} void StringFieldGenerator:: GeneratePrivateMembers(io::Printer* printer) const { - // N.B. that we continue to use |ArenaStringPtr| instead of |string*| for - // string fields, even when SupportArenas(descriptor_) == false. Why? - // The simple answer is to avoid unmaintainable complexity. The reflection - // code assumes ArenaStringPtrs. These are *almost* in-memory-compatible with - // string*, except for the pointer tags and related ownership semantics. We - // could modify the runtime code to use string* for the not-supporting-arenas - // case, but this would require a way to detect which type of class was - // generated (adding overhead and complexity to GeneratedMessageReflection) - // and littering the runtime code paths with conditionals. It's simpler to - // stick with this but use lightweight accessors that assume arena == NULL. - // There should be very little overhead anyway because it's just a tagged - // pointer in-memory. - printer->Print(variables_, "::google::protobuf::internal::ArenaStringPtr $name$_;\n"); + if (inlined_) { + printer->Print(variables_, + "::google::protobuf::internal::InlinedStringField $name$_;\n"); + } else { + // N.B. that we continue to use |ArenaStringPtr| instead of |string*| for + // string fields, even when SupportArenas(descriptor_) == false. Why? The + // simple answer is to avoid unmaintainable complexity. The reflection code + // assumes ArenaStringPtrs. These are *almost* in-memory-compatible with + // string*, except for the pointer tags and related ownership semantics. We + // could modify the runtime code to use string* for the + // not-supporting-arenas case, but this would require a way to detect which + // type of class was generated (adding overhead and complexity to + // GeneratedMessageReflection) and littering the runtime code paths with + // conditionals. It's simpler to stick with this but use lightweight + // accessors that assume arena == NULL. There should be very little + // overhead anyway because it's just a tagged pointer in-memory. + printer->Print(variables_, "::google::protobuf::internal::ArenaStringPtr $name$_;\n"); + } } void StringFieldGenerator:: GenerateStaticMembers(io::Printer* printer) const { if (!descriptor_->default_value_string().empty()) { - printer->Print(variables_, "static ::std::string* $default_variable$;\n"); + // We make the default instance public, so it can be initialized by + // non-friend code. + printer->Print(variables_, + "public:\n" + "static ::google::protobuf::internal::ExplicitlyConstructed< ::std::string>" + " $default_variable_name$;\n" + "private:\n"); } } @@ -140,22 +171,55 @@ GenerateAccessorDeclarations(io::Printer* printer) const { } printer->Print(variables_, - "const ::std::string& $name$() const$deprecation$;\n" - "void set_$name$(const ::std::string& value)$deprecation$;\n" - "void set_$name$(const char* value)$deprecation$;\n" - "void set_$name$(const $pointer_type$* value, size_t size)" - "$deprecation$;\n" - "::std::string* mutable_$name$()$deprecation$;\n" - "::std::string* $release_name$()$deprecation$;\n" - "void set_allocated_$name$(::std::string* $name$)$deprecation$;\n"); + "$deprecated_attr$const ::std::string& $name$() const;\n"); + printer->Annotate("name", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$set_$name$$}$(const ::std::string& value);\n"); + printer->Annotate("{", "}", descriptor_); + + printer->Print(variables_, + "#if LANG_CXX11\n" + "$deprecated_attr$void ${$set_$name$$}$(::std::string&& value);\n" + "#endif\n"); + printer->Annotate("{", "}", descriptor_); + + printer->Print( + variables_, + "$deprecated_attr$void ${$set_$name$$}$(const char* value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$void ${$set_$name$$}$(const $pointer_type$* " + "value, size_t size)" + ";\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$::std::string* ${$mutable_$name$$}$();\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, "$deprecated_attr$::std::string* $release_name$();\n"); + printer->Annotate("release_name", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$set_allocated_$name$$}$(::std::string* $name$);\n"); + printer->Annotate("{", "}", descriptor_); if (SupportsArenas(descriptor_)) { - printer->Print(variables_, - "::std::string* unsafe_arena_release_$name$()$deprecation$;\n" - "void unsafe_arena_set_allocated_$name$(\n" - " ::std::string* $name$)$deprecation$;\n"); + printer->Print( + variables_, + "PROTOBUF_RUNTIME_DEPRECATED(\"The unsafe_arena_ accessors for\"\n" + "\" string fields are deprecated and will be removed in a\"\n" + "\" future release.\")\n" + "::std::string* ${$unsafe_arena_release_$name$$}$();\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "PROTOBUF_RUNTIME_DEPRECATED(\"The unsafe_arena_ accessors for\"\n" + "\" string fields are deprecated and will be removed in a\"\n" + "\" future release.\")\n" + "void ${$unsafe_arena_set_allocated_$name$$}$(\n" + " ::std::string* $name$);\n"); + printer->Annotate("{", "}", descriptor_); } - if (unknown_ctype) { printer->Outdent(); printer->Print(" public:\n"); @@ -164,115 +228,165 @@ GenerateAccessorDeclarations(io::Printer* printer) const { } void StringFieldGenerator:: -GenerateInlineAccessorDefinitions(io::Printer* printer, - bool is_inline) const { - map<string, string> variables(variables_); - variables["inline"] = is_inline ? "inline" : ""; +GenerateInlineAccessorDefinitions(io::Printer* printer) const { if (SupportsArenas(descriptor_)) { - printer->Print(variables, - "$inline$ const ::std::string& $classname$::$name$() const {\n" - " // @@protoc_insertion_point(field_get:$full_name$)\n" - " return $name$_.Get($default_variable$);\n" - "}\n" - "$inline$ void $classname$::set_$name$(const ::std::string& value) {\n" - " $set_hasbit$\n" - " $name$_.Set($default_variable$, value, GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_set:$full_name$)\n" - "}\n" - "$inline$ void $classname$::set_$name$(const char* value) {\n" - " $set_hasbit$\n" - " $name$_.Set($default_variable$, $string_piece$(value),\n" - " GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_set_char:$full_name$)\n" - "}\n" - "$inline$ " - "void $classname$::set_$name$(const $pointer_type$* value,\n" - " size_t size) {\n" - " $set_hasbit$\n" - " $name$_.Set($default_variable$, $string_piece$(\n" - " reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" - "}\n" - "$inline$ ::std::string* $classname$::mutable_$name$() {\n" - " $set_hasbit$\n" - " // @@protoc_insertion_point(field_mutable:$full_name$)\n" - " return $name$_.Mutable($default_variable$, GetArenaNoVirtual());\n" - "}\n" - "$inline$ ::std::string* $classname$::$release_name$() {\n" - " $clear_hasbit$\n" - " return $name$_.Release($default_variable$, GetArenaNoVirtual());\n" - "}\n" - "$inline$ ::std::string* $classname$::unsafe_arena_release_$name$() {\n" - " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" - " $clear_hasbit$\n" - " return $name$_.UnsafeArenaRelease($default_variable$,\n" - " GetArenaNoVirtual());\n" - "}\n" - "$inline$ void $classname$::set_allocated_$name$(::std::string* $name$) {\n" - " if ($name$ != NULL) {\n" - " $set_hasbit$\n" - " } else {\n" - " $clear_hasbit$\n" - " }\n" - " $name$_.SetAllocated($default_variable$, $name$,\n" - " GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" - "}\n" - "$inline$ void $classname$::unsafe_arena_set_allocated_$name$(\n" - " ::std::string* $name$) {\n" - " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" - " if ($name$ != NULL) {\n" - " $set_hasbit$\n" - " } else {\n" - " $clear_hasbit$\n" - " }\n" - " $name$_.UnsafeArenaSetAllocated($default_variable$,\n" - " $name$, GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" - "}\n"); + printer->Print( + variables_, + "inline const ::std::string& $classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " return $name$_.Get();\n" + "}\n" + "inline void $classname$::set_$name$(const ::std::string& value) {\n" + " $set_hasbit$\n" + " $name$_.Set$lite$($default_variable$, value, GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n" + "#if LANG_CXX11\n" + "inline void $classname$::set_$name$(::std::string&& value) {\n" + " $set_hasbit$\n" + " $name$_.Set$lite$(\n" + " $default_variable$, ::std::move(value), GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_rvalue:$full_name$)\n" + "}\n" + "#endif\n" + "inline void $classname$::set_$name$(const char* value) {\n" + " $null_check$" + " $set_hasbit$\n" + " $name$_.Set$lite$($default_variable$, $string_piece$(value),\n" + " GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_char:$full_name$)\n" + "}\n" + "inline " + "void $classname$::set_$name$(const $pointer_type$* value,\n" + " size_t size) {\n" + " $set_hasbit$\n" + " $name$_.Set$lite$($default_variable$, $string_piece$(\n" + " reinterpret_cast<const char*>(value), size), " + "GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" + "}\n" + "inline ::std::string* $classname$::mutable_$name$() {\n" + " $set_hasbit$\n" + " // @@protoc_insertion_point(field_mutable:$full_name$)\n" + " return $name$_.Mutable($default_variable$, GetArenaNoVirtual());\n" + "}\n" + "inline ::std::string* $classname$::$release_name$() {\n" + " // @@protoc_insertion_point(field_release:$full_name$)\n"); + + if (HasFieldPresence(descriptor_->file())) { + printer->Print(variables_, + " if (!has_$name$()) {\n" + " return NULL;\n" + " }\n" + " $clear_hasbit$\n" + " return $name$_.ReleaseNonDefault(" + "$default_variable$, GetArenaNoVirtual());\n"); + } else { + printer->Print(variables_, + " $clear_hasbit$\n" + " return $name$_.Release($default_variable$, GetArenaNoVirtual());\n"); + } + + printer->Print(variables_, + "}\n" + "inline void $classname$::set_allocated_$name$(::std::string* $name$) {\n" + " if ($name$ != NULL) {\n" + " $set_hasbit$\n" + " } else {\n" + " $clear_hasbit$\n" + " }\n" + " $name$_.SetAllocated($default_variable$, $name$,\n" + " GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" + "}\n" + "inline ::std::string* $classname$::unsafe_arena_release_$name$() {\n" + " // " + "@@protoc_insertion_point(field_unsafe_arena_release:$full_name$)\n" + " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" + " $clear_hasbit$\n" + " return $name$_.UnsafeArenaRelease($default_variable$,\n" + " GetArenaNoVirtual());\n" + "}\n" + "inline void $classname$::unsafe_arena_set_allocated_$name$(\n" + " ::std::string* $name$) {\n" + " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" + " if ($name$ != NULL) {\n" + " $set_hasbit$\n" + " } else {\n" + " $clear_hasbit$\n" + " }\n" + " $name$_.UnsafeArenaSetAllocated($default_variable$,\n" + " $name$, GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_unsafe_arena_set_allocated:" + "$full_name$)\n" + "}\n"); } else { // No-arena case. - printer->Print(variables, - "$inline$ const ::std::string& $classname$::$name$() const {\n" - " // @@protoc_insertion_point(field_get:$full_name$)\n" - " return $name$_.GetNoArena($default_variable$);\n" - "}\n" - "$inline$ void $classname$::set_$name$(const ::std::string& value) {\n" - " $set_hasbit$\n" - " $name$_.SetNoArena($default_variable$, value);\n" - " // @@protoc_insertion_point(field_set:$full_name$)\n" - "}\n" - "$inline$ void $classname$::set_$name$(const char* value) {\n" - " $set_hasbit$\n" - " $name$_.SetNoArena($default_variable$, $string_piece$(value));\n" - " // @@protoc_insertion_point(field_set_char:$full_name$)\n" - "}\n" - "$inline$ " - "void $classname$::set_$name$(const $pointer_type$* value, " - "size_t size) {\n" - " $set_hasbit$\n" - " $name$_.SetNoArena($default_variable$,\n" - " $string_piece$(reinterpret_cast<const char*>(value), size));\n" - " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" - "}\n" - "$inline$ ::std::string* $classname$::mutable_$name$() {\n" - " $set_hasbit$\n" - " // @@protoc_insertion_point(field_mutable:$full_name$)\n" - " return $name$_.MutableNoArena($default_variable$);\n" - "}\n" - "$inline$ ::std::string* $classname$::$release_name$() {\n" - " $clear_hasbit$\n" - " return $name$_.ReleaseNoArena($default_variable$);\n" - "}\n" - "$inline$ void $classname$::set_allocated_$name$(::std::string* $name$) {\n" - " if ($name$ != NULL) {\n" - " $set_hasbit$\n" - " } else {\n" - " $clear_hasbit$\n" - " }\n" - " $name$_.SetAllocatedNoArena($default_variable$, $name$);\n" - " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" - "}\n"); + printer->Print( + variables_, + "inline const ::std::string& $classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " return $name$_.GetNoArena();\n" + "}\n" + "inline void $classname$::set_$name$(const ::std::string& value) {\n" + " $set_hasbit$\n" + " $name$_.SetNoArena($default_variable$, value);\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n" + "#if LANG_CXX11\n" + "inline void $classname$::set_$name$(::std::string&& value) {\n" + " $set_hasbit$\n" + " $name$_.SetNoArena(\n" + " $default_variable$, ::std::move(value));\n" + " // @@protoc_insertion_point(field_set_rvalue:$full_name$)\n" + "}\n" + "#endif\n" + "inline void $classname$::set_$name$(const char* value) {\n" + " $null_check$" + " $set_hasbit$\n" + " $name$_.SetNoArena($default_variable$, $string_piece$(value));\n" + " // @@protoc_insertion_point(field_set_char:$full_name$)\n" + "}\n" + "inline " + "void $classname$::set_$name$(const $pointer_type$* value, " + "size_t size) {\n" + " $set_hasbit$\n" + " $name$_.SetNoArena($default_variable$,\n" + " $string_piece$(reinterpret_cast<const char*>(value), size));\n" + " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" + "}\n" + "inline ::std::string* $classname$::mutable_$name$() {\n" + " $set_hasbit$\n" + " // @@protoc_insertion_point(field_mutable:$full_name$)\n" + " return $name$_.MutableNoArena($default_variable$);\n" + "}\n" + "inline ::std::string* $classname$::$release_name$() {\n" + " // @@protoc_insertion_point(field_release:$full_name$)\n"); + + if (HasFieldPresence(descriptor_->file())) { + printer->Print(variables_, + " if (!has_$name$()) {\n" + " return NULL;\n" + " }\n" + " $clear_hasbit$\n" + " return $name$_.ReleaseNonDefaultNoArena($default_variable$);\n"); + } else { + printer->Print(variables_, + " $clear_hasbit$\n" + " return $name$_.ReleaseNoArena($default_variable$);\n"); + } + + printer->Print(variables_, + "}\n" + "inline void $classname$::set_allocated_$name$(::std::string* $name$) {\n" + " if ($name$ != NULL) {\n" + " $set_hasbit$\n" + " } else {\n" + " $clear_hasbit$\n" + " }\n" + " $name$_.SetAllocatedNoArena($default_variable$, $name$);\n" + " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" + "}\n"); } } @@ -281,7 +395,8 @@ GenerateNonInlineAccessorDefinitions(io::Printer* printer) const { if (!descriptor_->default_value_string().empty()) { // Initialized in GenerateDefaultInstanceAllocator. printer->Print(variables_, - "::std::string* $classname$::$default_variable$ = NULL;\n"); + "::google::protobuf::internal::ExplicitlyConstructed<::std::string> " + "$classname$::$default_variable_name$;\n"); } } @@ -311,6 +426,68 @@ GenerateClearingCode(io::Printer* printer) const { } void StringFieldGenerator:: +GenerateMessageClearingCode(io::Printer* printer) const { + // Two-dimension specialization here: supporting arenas, field presence, or + // not, and default value is the empty string or not. Complexity here ensures + // the minimal number of branches / amount of extraneous code at runtime + // (given that the below methods are inlined one-liners)! + + // If we have field presence, then the Clear() method of the protocol buffer + // will have checked that this field is set. If so, we can avoid redundant + // checks against default_variable. + const bool must_be_present = + HasFieldPresence(descriptor_->file()); + + if (inlined_ && must_be_present) { + // Calling mutable_$name$() gives us a string reference and sets the has bit + // for $name$ (in proto2). We may get here when the string field is inlined + // but the string's contents have not been changed by the user, so we cannot + // make an assertion about the contents of the string and could never make + // an assertion about the string instance. + // + // For non-inlined strings, we distinguish from non-default by comparing + // instances, rather than contents. + printer->Print(variables_, + "GOOGLE_DCHECK(!$name$_.IsDefault($default_variable$));\n"); + } + + if (SupportsArenas(descriptor_)) { + if (descriptor_->default_value_string().empty()) { + if (must_be_present) { + printer->Print(variables_, + "$name$_.ClearNonDefaultToEmpty();\n"); + } else { + printer->Print(variables_, + "$name$_.ClearToEmpty($default_variable$, GetArenaNoVirtual());\n"); + } + } else { + // Clear to a non-empty default is more involved, as we try to use the + // Arena if one is present and may need to reallocate the string. + printer->Print(variables_, + "$name$_.ClearToDefault($default_variable$, GetArenaNoVirtual());\n"); + } + } else if (must_be_present) { + // When Arenas are disabled and field presence has been checked, we can + // safely treat the ArenaStringPtr as a string*. + if (descriptor_->default_value_string().empty()) { + printer->Print(variables_, "$name$_.ClearNonDefaultToEmptyNoArena();\n"); + } else { + printer->Print( + variables_, + "$name$_.UnsafeMutablePointer()->assign(*$default_variable$);\n"); + } + } else { + if (descriptor_->default_value_string().empty()) { + printer->Print(variables_, + "$name$_.ClearToEmptyNoArena($default_variable$);\n"); + } else { + printer->Print(variables_, + "$name$_.ClearToDefaultNoArena($default_variable$);\n"); + } + } +} + +void StringFieldGenerator:: GenerateMergingCode(io::Printer* printer) const { if (SupportsArenas(descriptor_) || descriptor_->containing_oneof() != NULL) { // TODO(gpike): improve this @@ -324,40 +501,91 @@ GenerateMergingCode(io::Printer* printer) const { void StringFieldGenerator:: GenerateSwappingCode(io::Printer* printer) const { - printer->Print(variables_, "$name$_.Swap(&other->$name$_);\n"); + if (inlined_) { + printer->Print( + variables_, + "$name$_.Swap(&other->$name$_);\n"); + } else { + printer->Print( + variables_, + "$name$_.Swap(&other->$name$_, $default_variable$,\n" + " GetArenaNoVirtual());\n"); + } } void StringFieldGenerator:: GenerateConstructorCode(io::Printer* printer) const { + // TODO(ckennelly): Construct non-empty strings as part of the initializer + // list. + if (inlined_ && descriptor_->default_value_string().empty()) { + // Automatic initialization will construct the string. + return; + } + printer->Print(variables_, - "$name$_.UnsafeSetDefault($default_variable$);\n"); + "$name$_.UnsafeSetDefault($default_variable$);\n"); } void StringFieldGenerator:: -GenerateDestructorCode(io::Printer* printer) const { - if (SupportsArenas(descriptor_)) { +GenerateCopyConstructorCode(io::Printer* printer) const { + GenerateConstructorCode(printer); + + if (HasFieldPresence(descriptor_->file())) { printer->Print(variables_, - "$name$_.Destroy($default_variable$, GetArenaNoVirtual());\n"); + "if (from.has_$name$()) {\n"); } else { printer->Print(variables_, - "$name$_.DestroyNoArena($default_variable$);\n"); + "if (from.$name$().size() > 0) {\n"); } + + printer->Indent(); + + if (SupportsArenas(descriptor_) || descriptor_->containing_oneof() != NULL) { + // TODO(gpike): improve this + printer->Print(variables_, + "$name$_.Set$lite$($default_variable$, from.$name$(),\n" + " GetArenaNoVirtual());\n"); + } else { + printer->Print(variables_, + "$name$_.AssignWithDefault($default_variable$, from.$name$_);\n"); + } + + printer->Outdent(); + printer->Print("}\n"); } void StringFieldGenerator:: -GenerateDefaultInstanceAllocator(io::Printer* printer) const { - if (!descriptor_->default_value_string().empty()) { - printer->Print(variables_, - "$classname$::$default_variable$ =\n" - " new ::std::string($default$, $default_length$);\n"); +GenerateDestructorCode(io::Printer* printer) const { + if (inlined_) { + // The destructor is automatically invoked. + return; } + + printer->Print(variables_, "$name$_.DestroyNoArena($default_variable$);\n"); +} + +bool StringFieldGenerator::GenerateArenaDestructorCode( + io::Printer* printer) const { + if (!inlined_) { + return false; + } + + printer->Print(variables_, + "_this->$name$_.DestroyNoArena($default_variable$);\n"); + return true; } void StringFieldGenerator:: -GenerateShutdownCode(io::Printer* printer) const { +GenerateDefaultInstanceAllocator(io::Printer* printer) const { if (!descriptor_->default_value_string().empty()) { - printer->Print(variables_, - "delete $classname$::$default_variable$;\n"); + printer->Print( + variables_, + "$ns$::$classname$::$default_variable_name$.DefaultConstruct();\n" + "*$ns$::$classname$::$default_variable_name$.get_mutable() = " + "::std::string($default$, $default_length$);\n" + "::google::protobuf::internal::OnShutdownDestroyString(\n" + " $ns$::$classname$::$default_variable_name$.get_mutable());\n" + ); } } @@ -369,17 +597,24 @@ GenerateMergeFromCodedStream(io::Printer* printer) const { if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { GenerateUtf8CheckCodeForString( - descriptor_, true, variables_, - "this->$name$().data(), this->$name$().length(),\n", printer); + descriptor_, options_, true, variables_, + "this->$name$().data(), static_cast<int>(this->$name$().length()),\n", + printer); } } +bool StringFieldGenerator:: +MergeFromCodedStreamNeedsArena() const { + return false; +} + void StringFieldGenerator:: GenerateSerializeWithCachedSizes(io::Printer* printer) const { if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { GenerateUtf8CheckCodeForString( - descriptor_, false, variables_, - "this->$name$().data(), this->$name$().length(),\n", printer); + descriptor_, options_, false, variables_, + "this->$name$().data(), static_cast<int>(this->$name$().length()),\n", + printer); } printer->Print(variables_, "::google::protobuf::internal::WireFormatLite::Write$declared_type$MaybeAliased(\n" @@ -390,8 +625,9 @@ void StringFieldGenerator:: GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const { if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { GenerateUtf8CheckCodeForString( - descriptor_, false, variables_, - "this->$name$().data(), this->$name$().length(),\n", printer); + descriptor_, options_, false, variables_, + "this->$name$().data(), static_cast<int>(this->$name$().length()),\n", + printer); } printer->Print(variables_, "target =\n" @@ -407,247 +643,265 @@ GenerateByteSize(io::Printer* printer) const { " this->$name$());\n"); } +uint32 StringFieldGenerator::CalculateFieldTag() const { + return inlined_ ? 1 : 0; +} + // =================================================================== -StringOneofFieldGenerator:: -StringOneofFieldGenerator(const FieldDescriptor* descriptor, - const Options& options) - : StringFieldGenerator(descriptor, options), - dependent_field_(options.proto_h) { +StringOneofFieldGenerator::StringOneofFieldGenerator( + const FieldDescriptor* descriptor, const Options& options) + : StringFieldGenerator(descriptor, options) { + inlined_ = false; + SetCommonOneofFieldVariables(descriptor, &variables_); } StringOneofFieldGenerator::~StringOneofFieldGenerator() {} void StringOneofFieldGenerator:: -GenerateInlineAccessorDefinitions(io::Printer* printer, - bool is_inline) const { - map<string, string> variables(variables_); - variables["inline"] = is_inline ? "inline" : ""; +GenerateInlineAccessorDefinitions(io::Printer* printer) const { if (SupportsArenas(descriptor_)) { - printer->Print(variables, - "$inline$ const ::std::string& $classname$::$name$() const {\n" - " // @@protoc_insertion_point(field_get:$full_name$)\n" - " if (has_$name$()) {\n" - " return $oneof_prefix$$name$_.Get($default_variable$);\n" - " }\n" - " return *$default_variable$;\n" - "}\n" - "$inline$ void $classname$::set_$name$(const ::std::string& value) {\n" - " if (!has_$name$()) {\n" - " clear_$oneof_name$();\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " $oneof_prefix$$name$_.Set($default_variable$, value,\n" - " GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_set:$full_name$)\n" - "}\n" - "$inline$ void $classname$::set_$name$(const char* value) {\n" - " if (!has_$name$()) {\n" - " clear_$oneof_name$();\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " $oneof_prefix$$name$_.Set($default_variable$,\n" - " $string_piece$(value), GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_set_char:$full_name$)\n" - "}\n" - "$inline$ " - "void $classname$::set_$name$(const $pointer_type$* value,\n" - " size_t size) {\n" - " if (!has_$name$()) {\n" - " clear_$oneof_name$();\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " $oneof_prefix$$name$_.Set($default_variable$, $string_piece$(\n" - " reinterpret_cast<const char*>(value), size),\n" - " GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" - "}\n" - "$inline$ ::std::string* $classname$::mutable_$name$() {\n" - " if (!has_$name$()) {\n" - " clear_$oneof_name$();\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " return $oneof_prefix$$name$_.Mutable($default_variable$,\n" - " GetArenaNoVirtual());\n" - " // @@protoc_insertion_point(field_mutable:$full_name$)\n" - "}\n" - "$inline$ ::std::string* $classname$::$release_name$() {\n" - " if (has_$name$()) {\n" - " clear_has_$oneof_name$();\n" - " return $oneof_prefix$$name$_.Release($default_variable$,\n" - " GetArenaNoVirtual());\n" - " } else {\n" - " return NULL;\n" - " }\n" - "}\n" - "$inline$ ::std::string* $classname$::unsafe_arena_release_$name$() {\n" - " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" - " if (has_$name$()) {\n" - " clear_has_$oneof_name$();\n" - " return $oneof_prefix$$name$_.UnsafeArenaRelease(\n" - " $default_variable$, GetArenaNoVirtual());\n" - " } else {\n" - " return NULL;\n" - " }\n" - "}\n" - "$inline$ void $classname$::set_allocated_$name$(::std::string* $name$) {\n" - " if (!has_$name$()) {\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " clear_$oneof_name$();\n" - " if ($name$ != NULL) {\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.SetAllocated($default_variable$, $name$,\n" - " GetArenaNoVirtual());\n" - " }\n" - " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" - "}\n" - "$inline$ void $classname$::unsafe_arena_set_allocated_$name$(" - "::std::string* $name$) {\n" - " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" - " if (!has_$name$()) {\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " clear_$oneof_name$();\n" - " if ($name$) {\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeArenaSetAllocated($default_variable$, " - "$name$, GetArenaNoVirtual());\n" - " }\n" - " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" - "}\n"); + printer->Print( + variables_, + "inline const ::std::string& $classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " if (has_$name$()) {\n" + " return $field_member$.Get();\n" + " }\n" + " return *$default_variable$;\n" + "}\n" + "inline void $classname$::set_$name$(const ::std::string& value) {\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $field_member$.Set$lite$($default_variable$, value,\n" + " GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n" + "#if LANG_CXX11\n" + "inline void $classname$::set_$name$(::std::string&& value) {\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $field_member$.Set$lite$(\n" + " $default_variable$, ::std::move(value), GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_rvalue:$full_name$)\n" + "}\n" + "#endif\n" + "inline void $classname$::set_$name$(const char* value) {\n" + " $null_check$" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $field_member$.Set$lite$($default_variable$,\n" + " $string_piece$(value), GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_char:$full_name$)\n" + "}\n" + "inline " + "void $classname$::set_$name$(const $pointer_type$* value,\n" + " size_t size) {\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $field_member$.Set$lite$(\n" + " $default_variable$, $string_piece$(\n" + " reinterpret_cast<const char*>(value), size),\n" + " GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" + "}\n" + "inline ::std::string* $classname$::mutable_$name$() {\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " return $field_member$.Mutable($default_variable$,\n" + " GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_mutable:$full_name$)\n" + "}\n" + "inline ::std::string* $classname$::$release_name$() {\n" + " // @@protoc_insertion_point(field_release:$full_name$)\n" + " if (has_$name$()) {\n" + " clear_has_$oneof_name$();\n" + " return $field_member$.Release($default_variable$,\n" + " GetArenaNoVirtual());\n" + " } else {\n" + " return NULL;\n" + " }\n" + "}\n" + "inline void $classname$::set_allocated_$name$(::std::string* $name$) {\n" + " if (!has_$name$()) {\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " clear_$oneof_name$();\n" + " if ($name$ != NULL) {\n" + " set_has_$name$();\n" + " $field_member$.SetAllocated($default_variable$, $name$,\n" + " GetArenaNoVirtual());\n" + " }\n" + " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" + "}\n" + "inline ::std::string* $classname$::unsafe_arena_release_$name$() {\n" + " // " + "@@protoc_insertion_point(field_unsafe_arena_release:$full_name$)\n" + " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" + " if (has_$name$()) {\n" + " clear_has_$oneof_name$();\n" + " return $field_member$.UnsafeArenaRelease(\n" + " $default_variable$, GetArenaNoVirtual());\n" + " } else {\n" + " return NULL;\n" + " }\n" + "}\n" + "inline void $classname$::unsafe_arena_set_allocated_$name$(" + "::std::string* $name$) {\n" + " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" + " if (!has_$name$()) {\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " clear_$oneof_name$();\n" + " if ($name$) {\n" + " set_has_$name$();\n" + " $field_member$.UnsafeArenaSetAllocated($default_variable$, " + "$name$, GetArenaNoVirtual());\n" + " }\n" + " // @@protoc_insertion_point(field_unsafe_arena_set_allocated:" + "$full_name$)\n" + "}\n"); } else { // No-arena case. - printer->Print(variables, - "$inline$ const ::std::string& $classname$::$name$() const {\n" - " // @@protoc_insertion_point(field_get:$full_name$)\n" - " if (has_$name$()) {\n" - " return $oneof_prefix$$name$_.GetNoArena($default_variable$);\n" - " }\n" - " return *$default_variable$;\n" - "}\n" - "$inline$ void $classname$::set_$name$(const ::std::string& value) {\n" - " // @@protoc_insertion_point(field_set:$full_name$)\n" - " if (!has_$name$()) {\n" - " clear_$oneof_name$();\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " $oneof_prefix$$name$_.SetNoArena($default_variable$, value);\n" - " // @@protoc_insertion_point(field_set:$full_name$)\n" - "}\n" - "$inline$ void $classname$::set_$name$(const char* value) {\n" - " if (!has_$name$()) {\n" - " clear_$oneof_name$();\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " $oneof_prefix$$name$_.SetNoArena($default_variable$,\n" - " $string_piece$(value));\n" - " // @@protoc_insertion_point(field_set_char:$full_name$)\n" - "}\n" - "$inline$ " - "void $classname$::set_$name$(const $pointer_type$* value, size_t size) {\n" - " if (!has_$name$()) {\n" - " clear_$oneof_name$();\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " $oneof_prefix$$name$_.SetNoArena($default_variable$, $string_piece$(\n" - " reinterpret_cast<const char*>(value), size));\n" - " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" - "}\n" - "$inline$ ::std::string* $classname$::mutable_$name$() {\n" - " if (!has_$name$()) {\n" - " clear_$oneof_name$();\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " // @@protoc_insertion_point(field_mutable:$full_name$)\n" - " return $oneof_prefix$$name$_.MutableNoArena($default_variable$);\n" - "}\n" - "$inline$ ::std::string* $classname$::$release_name$() {\n" - " if (has_$name$()) {\n" - " clear_has_$oneof_name$();\n" - " return $oneof_prefix$$name$_.ReleaseNoArena($default_variable$);\n" - " } else {\n" - " return NULL;\n" - " }\n" - "}\n" - "$inline$ void $classname$::set_allocated_$name$(::std::string* $name$) {\n" - " if (!has_$name$()) {\n" - " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" - " }\n" - " clear_$oneof_name$();\n" - " if ($name$ != NULL) {\n" - " set_has_$name$();\n" - " $oneof_prefix$$name$_.SetAllocatedNoArena($default_variable$,\n" - " $name$);\n" - " }\n" - " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" - "}\n"); + printer->Print( + variables_, + "inline const ::std::string& $classname$::$name$() const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " if (has_$name$()) {\n" + " return $field_member$.GetNoArena();\n" + " }\n" + " return *$default_variable$;\n" + "}\n" + "inline void $classname$::set_$name$(const ::std::string& value) {\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $field_member$.SetNoArena($default_variable$, value);\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n" + "#if LANG_CXX11\n" + "inline void $classname$::set_$name$(::std::string&& value) {\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $field_member$.SetNoArena($default_variable$, ::std::move(value));\n" + " // @@protoc_insertion_point(field_set_rvalue:$full_name$)\n" + "}\n" + "#endif\n" + "inline void $classname$::set_$name$(const char* value) {\n" + " $null_check$" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $field_member$.SetNoArena($default_variable$,\n" + " $string_piece$(value));\n" + " // @@protoc_insertion_point(field_set_char:$full_name$)\n" + "}\n" + "inline " + "void $classname$::set_$name$(const $pointer_type$* value, size_t " + "size) {\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $field_member$.SetNoArena($default_variable$, $string_piece$(\n" + " reinterpret_cast<const char*>(value), size));\n" + " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" + "}\n" + "inline ::std::string* $classname$::mutable_$name$() {\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " // @@protoc_insertion_point(field_mutable:$full_name$)\n" + " return $field_member$.MutableNoArena($default_variable$);\n" + "}\n" + "inline ::std::string* $classname$::$release_name$() {\n" + " // @@protoc_insertion_point(field_release:$full_name$)\n" + " if (has_$name$()) {\n" + " clear_has_$oneof_name$();\n" + " return $field_member$.ReleaseNoArena($default_variable$);\n" + " } else {\n" + " return NULL;\n" + " }\n" + "}\n" + "inline void $classname$::set_allocated_$name$(::std::string* $name$) {\n" + " if (!has_$name$()) {\n" + " $field_member$.UnsafeSetDefault($default_variable$);\n" + " }\n" + " clear_$oneof_name$();\n" + " if ($name$ != NULL) {\n" + " set_has_$name$();\n" + " $field_member$.SetAllocatedNoArena($default_variable$, $name$);\n" + " }\n" + " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" + "}\n"); } } void StringOneofFieldGenerator:: GenerateClearingCode(io::Printer* printer) const { - map<string, string> variables(variables_); - if (dependent_field_) { - variables["this_message"] = DependentBaseDownCast(); - // This clearing code may be in the dependent base class. If the default - // value is an empty string, then the $default_variable$ is a global - // singleton. If the default is not empty, we need to down-cast to get the - // default value's global singleton instance. See SetStringVariables() for - // possible values of default_variable. - if (!descriptor_->default_value_string().empty()) { - variables["default_variable"] = - DependentBaseDownCast() + variables["default_variable"]; - } - } else { - variables["this_message"] = ""; - } if (SupportsArenas(descriptor_)) { - printer->Print(variables, - "$this_message$$oneof_prefix$$name$_.Destroy($default_variable$,\n" - " $this_message$GetArenaNoVirtual());\n"); + printer->Print(variables_, + "$field_member$.Destroy($default_variable$,\n" + " GetArenaNoVirtual());\n"); } else { - printer->Print(variables, - "$this_message$$oneof_prefix$$name$_." - "DestroyNoArena($default_variable$);\n"); + printer->Print(variables_, + "$field_member$.DestroyNoArena($default_variable$);\n"); } } void StringOneofFieldGenerator:: +GenerateMessageClearingCode(io::Printer* printer) const { + return GenerateClearingCode(printer); +} + +void StringOneofFieldGenerator:: GenerateSwappingCode(io::Printer* printer) const { // Don't print any swapping code. Swapping the union will swap this field. } void StringOneofFieldGenerator:: GenerateConstructorCode(io::Printer* printer) const { - printer->Print(variables_, - " $classname$_default_oneof_instance_->$name$_.UnsafeSetDefault(" - "$default_variable$);\n"); + printer->Print( + variables_, + "$ns$::_$classname$_default_instance_.$name$_.UnsafeSetDefault(\n" + " $default_variable$);\n"); } void StringOneofFieldGenerator:: GenerateDestructorCode(io::Printer* printer) const { - if (SupportsArenas(descriptor_)) { - printer->Print(variables_, - "if (has_$name$()) {\n" - " $oneof_prefix$$name$_.Destroy($default_variable$,\n" - " GetArenaNoVirtual());\n" - "}\n"); - } else { - printer->Print(variables_, - "if (has_$name$()) {\n" - " $oneof_prefix$$name$_.DestroyNoArena($default_variable$);\n" - "}\n"); - } + printer->Print(variables_, + "if (has_$name$()) {\n" + " $field_member$.DestroyNoArena($default_variable$);\n" + "}\n"); } void StringOneofFieldGenerator:: @@ -658,18 +912,18 @@ GenerateMergeFromCodedStream(io::Printer* printer) const { if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { GenerateUtf8CheckCodeForString( - descriptor_, true, variables_, - "this->$name$().data(), this->$name$().length(),\n", printer); + descriptor_, options_, true, variables_, + "this->$name$().data(), static_cast<int>(this->$name$().length()),\n", + printer); } } // =================================================================== -RepeatedStringFieldGenerator:: -RepeatedStringFieldGenerator(const FieldDescriptor* descriptor, - const Options& options) - : descriptor_(descriptor) { +RepeatedStringFieldGenerator::RepeatedStringFieldGenerator( + const FieldDescriptor* descriptor, const Options& options) + : FieldGenerator(options), descriptor_(descriptor) { SetStringVariables(descriptor, &variables_, options); } @@ -696,24 +950,62 @@ GenerateAccessorDeclarations(io::Printer* printer) const { } printer->Print(variables_, - "const ::std::string& $name$(int index) const$deprecation$;\n" - "::std::string* mutable_$name$(int index)$deprecation$;\n" - "void set_$name$(int index, const ::std::string& value)$deprecation$;\n" - "void set_$name$(int index, const char* value)$deprecation$;\n" - "" - "void set_$name$(int index, const $pointer_type$* value, size_t size)" - "$deprecation$;\n" - "::std::string* add_$name$()$deprecation$;\n" - "void add_$name$(const ::std::string& value)$deprecation$;\n" - "void add_$name$(const char* value)$deprecation$;\n" - "void add_$name$(const $pointer_type$* value, size_t size)" - "$deprecation$;\n"); - + "$deprecated_attr$const ::std::string& $name$(int index) const;\n"); + printer->Annotate("name", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$::std::string* ${$mutable_$name$$}$(int index);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$void ${$set_$name$$}$(int index, const " + "::std::string& value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "#if LANG_CXX11\n" + "$deprecated_attr$void ${$set_$name$$}$(int index, ::std::string&& value);\n" + "#endif\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$void ${$set_$name$$}$(int index, const " + "char* value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "" + "$deprecated_attr$void ${$set_$name$$}$(" + "int index, const $pointer_type$* value, size_t size);\n"); + printer->Annotate("{", "}", descriptor_); printer->Print(variables_, - "const ::google::protobuf::RepeatedPtrField< ::std::string>& $name$() const" - "$deprecation$;\n" - "::google::protobuf::RepeatedPtrField< ::std::string>* mutable_$name$()" - "$deprecation$;\n"); + "$deprecated_attr$::std::string* ${$add_$name$$}$();\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$add_$name$$}$(const ::std::string& value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "#if LANG_CXX11\n" + "$deprecated_attr$void ${$add_$name$$}$(::std::string&& value);\n" + "#endif\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$add_$name$$}$(const char* value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$void ${$add_$name$$}$(const $pointer_type$* " + "value, size_t size)" + ";\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$const ::google::protobuf::RepeatedPtrField< ::std::string>& $name$() " + "const;\n"); + printer->Annotate("name", descriptor_); + printer->Print(variables_, + "$deprecated_attr$::google::protobuf::RepeatedPtrField< ::std::string>* " + "${$mutable_$name$$}$()" + ";\n"); + printer->Annotate("{", "}", descriptor_); if (unknown_ctype) { printer->Outdent(); @@ -723,57 +1015,78 @@ GenerateAccessorDeclarations(io::Printer* printer) const { } void RepeatedStringFieldGenerator:: -GenerateInlineAccessorDefinitions(io::Printer* printer, - bool is_inline) const { - map<string, string> variables(variables_); - variables["inline"] = is_inline ? "inline" : ""; - printer->Print(variables, - "$inline$ const ::std::string& $classname$::$name$(int index) const {\n" - " // @@protoc_insertion_point(field_get:$full_name$)\n" - " return $name$_.$cppget$(index);\n" - "}\n" - "$inline$ ::std::string* $classname$::mutable_$name$(int index) {\n" +GenerateInlineAccessorDefinitions(io::Printer* printer) const { + if (options_.safe_boundary_check) { + printer->Print(variables_, + "inline const ::std::string& $classname$::$name$(int index) const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " return $name$_.InternalCheckedGet(\n" + " index, ::google::protobuf::internal::GetEmptyStringAlreadyInited());\n" + "}\n"); + } else { + printer->Print(variables_, + "inline const ::std::string& $classname$::$name$(int index) const {\n" + " // @@protoc_insertion_point(field_get:$full_name$)\n" + " return $name$_.Get(index);\n" + "}\n"); + } + printer->Print(variables_, + "inline ::std::string* $classname$::mutable_$name$(int index) {\n" " // @@protoc_insertion_point(field_mutable:$full_name$)\n" " return $name$_.Mutable(index);\n" "}\n" - "$inline$ void $classname$::set_$name$(int index, const ::std::string& value) {\n" + "inline void $classname$::set_$name$(int index, const ::std::string& value) {\n" " // @@protoc_insertion_point(field_set:$full_name$)\n" " $name$_.Mutable(index)->assign(value);\n" "}\n" - "$inline$ void $classname$::set_$name$(int index, const char* value) {\n" + "#if LANG_CXX11\n" + "inline void $classname$::set_$name$(int index, ::std::string&& value) {\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + " $name$_.Mutable(index)->assign(std::move(value));\n" + "}\n" + "#endif\n" + "inline void $classname$::set_$name$(int index, const char* value) {\n" + " $null_check$" " $name$_.Mutable(index)->assign(value);\n" " // @@protoc_insertion_point(field_set_char:$full_name$)\n" "}\n" - "$inline$ void " + "inline void " "$classname$::set_$name$" "(int index, const $pointer_type$* value, size_t size) {\n" " $name$_.Mutable(index)->assign(\n" " reinterpret_cast<const char*>(value), size);\n" " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" "}\n" - "$inline$ ::std::string* $classname$::add_$name$() {\n" + "inline ::std::string* $classname$::add_$name$() {\n" + " // @@protoc_insertion_point(field_add_mutable:$full_name$)\n" " return $name$_.Add();\n" "}\n" - "$inline$ void $classname$::add_$name$(const ::std::string& value) {\n" + "inline void $classname$::add_$name$(const ::std::string& value) {\n" " $name$_.Add()->assign(value);\n" " // @@protoc_insertion_point(field_add:$full_name$)\n" "}\n" - "$inline$ void $classname$::add_$name$(const char* value) {\n" + "#if LANG_CXX11\n" + "inline void $classname$::add_$name$(::std::string&& value) {\n" + " $name$_.Add(std::move(value));\n" + " // @@protoc_insertion_point(field_add:$full_name$)\n" + "}\n" + "#endif\n" + "inline void $classname$::add_$name$(const char* value) {\n" + " $null_check$" " $name$_.Add()->assign(value);\n" " // @@protoc_insertion_point(field_add_char:$full_name$)\n" "}\n" - "$inline$ void " + "inline void " "$classname$::add_$name$(const $pointer_type$* value, size_t size) {\n" " $name$_.Add()->assign(reinterpret_cast<const char*>(value), size);\n" " // @@protoc_insertion_point(field_add_pointer:$full_name$)\n" - "}\n"); - printer->Print(variables, - "$inline$ const ::google::protobuf::RepeatedPtrField< ::std::string>&\n" + "}\n" + "inline const ::google::protobuf::RepeatedPtrField< ::std::string>&\n" "$classname$::$name$() const {\n" " // @@protoc_insertion_point(field_list:$full_name$)\n" " return $name$_;\n" "}\n" - "$inline$ ::google::protobuf::RepeatedPtrField< ::std::string>*\n" + "inline ::google::protobuf::RepeatedPtrField< ::std::string>*\n" "$classname$::mutable_$name$() {\n" " // @@protoc_insertion_point(field_mutable_list:$full_name$)\n" " return &$name$_;\n" @@ -792,7 +1105,8 @@ GenerateMergingCode(io::Printer* printer) const { void RepeatedStringFieldGenerator:: GenerateSwappingCode(io::Printer* printer) const { - printer->Print(variables_, "$name$_.UnsafeArenaSwap(&other->$name$_);\n"); + printer->Print(variables_, + "$name$_.InternalSwap(CastToBase(&other->$name$_));\n"); } void RepeatedStringFieldGenerator:: @@ -801,15 +1115,20 @@ GenerateConstructorCode(io::Printer* printer) const { } void RepeatedStringFieldGenerator:: +GenerateCopyConstructorCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_.CopyFrom(from.$name$_);"); +} + +void RepeatedStringFieldGenerator:: GenerateMergeFromCodedStream(io::Printer* printer) const { printer->Print(variables_, "DO_(::google::protobuf::internal::WireFormatLite::Read$declared_type$(\n" " input, this->add_$name$()));\n"); if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { GenerateUtf8CheckCodeForString( - descriptor_, true, variables_, + descriptor_, options_, true, variables_, "this->$name$(this->$name$_size() - 1).data(),\n" - "this->$name$(this->$name$_size() - 1).length(),\n", + "static_cast<int>(this->$name$(this->$name$_size() - 1).length()),\n", printer); } } @@ -817,12 +1136,13 @@ GenerateMergeFromCodedStream(io::Printer* printer) const { void RepeatedStringFieldGenerator:: GenerateSerializeWithCachedSizes(io::Printer* printer) const { printer->Print(variables_, - "for (int i = 0; i < this->$name$_size(); i++) {\n"); + "for (int i = 0, n = this->$name$_size(); i < n; i++) {\n"); printer->Indent(); if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { GenerateUtf8CheckCodeForString( - descriptor_, false, variables_, - "this->$name$(i).data(), this->$name$(i).length(),\n", printer); + descriptor_, options_, false, variables_, + "this->$name$(i).data(), static_cast<int>(this->$name$(i).length()),\n", + printer); } printer->Outdent(); printer->Print(variables_, @@ -834,12 +1154,13 @@ GenerateSerializeWithCachedSizes(io::Printer* printer) const { void RepeatedStringFieldGenerator:: GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const { printer->Print(variables_, - "for (int i = 0; i < this->$name$_size(); i++) {\n"); + "for (int i = 0, n = this->$name$_size(); i < n; i++) {\n"); printer->Indent(); if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { GenerateUtf8CheckCodeForString( - descriptor_, false, variables_, - "this->$name$(i).data(), this->$name$(i).length(),\n", printer); + descriptor_, options_, false, variables_, + "this->$name$(i).data(), static_cast<int>(this->$name$(i).length()),\n", + printer); } printer->Outdent(); printer->Print(variables_, @@ -851,8 +1172,9 @@ GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const { void RepeatedStringFieldGenerator:: GenerateByteSize(io::Printer* printer) const { printer->Print(variables_, - "total_size += $tag_size$ * this->$name$_size();\n" - "for (int i = 0; i < this->$name$_size(); i++) {\n" + "total_size += $tag_size$ *\n" + " ::google::protobuf::internal::FromIntSize(this->$name$_size());\n" + "for (int i = 0, n = this->$name$_size(); i < n; i++) {\n" " total_size += ::google::protobuf::internal::WireFormatLite::$declared_type$Size(\n" " this->$name$(i));\n" "}\n"); |