diff options
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_helpers.cc')
-rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_helpers.cc | 169 |
1 files changed, 8 insertions, 161 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_helpers.cc b/src/google/protobuf/compiler/cpp/cpp_helpers.cc index b7a47ac..e3df88b 100644 --- a/src/google/protobuf/compiler/cpp/cpp_helpers.cc +++ b/src/google/protobuf/compiler/cpp/cpp_helpers.cc @@ -1,6 +1,6 @@ // Protocol Buffers - Google's data interchange format // Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ +// http://code.google.com/p/protobuf/ // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are @@ -33,12 +33,10 @@ // Sanjay Ghemawat, Jeff Dean, and others. #include <limits> -#include <map> #include <vector> #include <google/protobuf/stubs/hash.h> #include <google/protobuf/compiler/cpp/cpp_helpers.h> -#include <google/protobuf/io/printer.h> #include <google/protobuf/stubs/common.h> #include <google/protobuf/stubs/strutil.h> #include <google/protobuf/stubs/substitute.h> @@ -82,22 +80,6 @@ hash_set<string> MakeKeywordsMap() { hash_set<string> kKeywords = MakeKeywordsMap(); -// Returns whether the provided descriptor has an extension. This includes its -// nested types. -bool HasExtension(const Descriptor* descriptor) { - if (descriptor->extension_count() > 0) { - return true; - } - for (int i = 0; i < descriptor->nested_type_count(); ++i) { - if (HasExtension(descriptor->nested_type(i))) { - return true; - } - } - return false; -} - -} // namespace - string UnderscoresToCamelCase(const string& input, bool cap_next_letter) { string result; // Note: I distrust ctype.h due to locales. @@ -123,6 +105,8 @@ string UnderscoresToCamelCase(const string& input, bool cap_next_letter) { return result; } +} // namespace + const char kThickSeparator[] = "// ===================================================================\n"; const char kThinSeparator[] = @@ -148,7 +132,7 @@ string ClassName(const Descriptor* descriptor, bool qualified) { string ClassName(const EnumDescriptor* enum_descriptor, bool qualified) { if (enum_descriptor->containing_type() == NULL) { if (qualified) { - return "::" + DotsToColons(enum_descriptor->full_name()); + return DotsToColons(enum_descriptor->full_name()); } else { return enum_descriptor->name(); } @@ -256,35 +240,14 @@ const char* DeclaredTypeMethodName(FieldDescriptor::Type type) { return ""; } -string Int32ToString(int number) { - // gcc rejects the decimal form of kint32min. - if (number == kint32min) { - GOOGLE_COMPILE_ASSERT(kint32min == (~0x7fffffff), kint32min_value_error); - return "(~0x7fffffff)"; - } else { - return SimpleItoa(number); - } -} - -string Int64ToString(int64 number) { - // gcc rejects the decimal form of kint64min - if (number == kint64min) { - // Make sure we are in a 2's complement system. - GOOGLE_COMPILE_ASSERT(kint64min == GOOGLE_LONGLONG(~0x7fffffffffffffff), - kint64min_value_error); - return "GOOGLE_LONGLONG(~0x7fffffffffffffff)"; - } - return "GOOGLE_LONGLONG(" + SimpleItoa(number) + ")"; -} - string DefaultValue(const FieldDescriptor* field) { switch (field->cpp_type()) { case FieldDescriptor::CPPTYPE_INT32: - return Int32ToString(field->default_value_int32()); + return SimpleItoa(field->default_value_int32()); case FieldDescriptor::CPPTYPE_UINT32: return SimpleItoa(field->default_value_uint32()) + "u"; case FieldDescriptor::CPPTYPE_INT64: - return Int64ToString(field->default_value_int64()); + return "GOOGLE_LONGLONG(" + SimpleItoa(field->default_value_int64()) + ")"; case FieldDescriptor::CPPTYPE_UINT64: return "GOOGLE_ULONGLONG(" + SimpleItoa(field->default_value_uint64())+ ")"; case FieldDescriptor::CPPTYPE_DOUBLE: { @@ -327,11 +290,9 @@ string DefaultValue(const FieldDescriptor* field) { return strings::Substitute( "static_cast< $0 >($1)", ClassName(field->enum_type(), true), - Int32ToString(field->default_value_enum()->number())); + field->default_value_enum()->number()); case FieldDescriptor::CPPTYPE_STRING: - return "\"" + EscapeTrigraphs( - CEscape(field->default_value_string())) + - "\""; + return "\"" + CEscape(field->default_value_string()) + "\""; case FieldDescriptor::CPPTYPE_MESSAGE: return FieldMessageTypeName(field) + "::default_instance()"; } @@ -374,120 +335,6 @@ string GlobalShutdownFileName(const string& filename) { return "protobuf_ShutdownFile_" + FilenameIdentifier(filename); } -// Return the qualified C++ name for a file level symbol. -string QualifiedFileLevelSymbol(const string& package, const string& name) { - if (package.empty()) { - return StrCat("::", name); - } - return StrCat("::", DotsToColons(package), "::", name); -} - -// Escape C++ trigraphs by escaping question marks to \? -string EscapeTrigraphs(const string& to_escape) { - return StringReplace(to_escape, "?", "\\?", true); -} - -// Escaped function name to eliminate naming conflict. -string SafeFunctionName(const Descriptor* descriptor, - const FieldDescriptor* field, - const string& prefix) { - // Do not use FieldName() since it will escape keywords. - string name = field->name(); - LowerString(&name); - string function_name = prefix + name; - if (descriptor->FindFieldByName(function_name)) { - // Single underscore will also make it conflicting with the private data - // member. We use double underscore to escape function names. - function_name.append("__"); - } else if (kKeywords.count(name) > 0) { - // If the field name is a keyword, we append the underscore back to keep it - // consistent with other function names. - function_name.append("_"); - } - return function_name; -} - -bool StaticInitializersForced(const FileDescriptor* file) { - if (HasDescriptorMethods(file) || file->extension_count() > 0) { - return true; - } - for (int i = 0; i < file->message_type_count(); ++i) { - if (HasExtension(file->message_type(i))) { - return true; - } - } - return false; -} - -void PrintHandlingOptionalStaticInitializers( - const FileDescriptor* file, io::Printer* printer, - const char* with_static_init, const char* without_static_init, - const char* var1, const string& val1, - const char* var2, const string& val2) { - map<string, string> vars; - if (var1) { - vars[var1] = val1; - } - if (var2) { - vars[var2] = val2; - } - PrintHandlingOptionalStaticInitializers( - vars, file, printer, with_static_init, without_static_init); -} - -void PrintHandlingOptionalStaticInitializers( - const map<string, string>& vars, const FileDescriptor* file, - io::Printer* printer, const char* with_static_init, - const char* without_static_init) { - if (StaticInitializersForced(file)) { - printer->Print(vars, with_static_init); - } else { - printer->Print(vars, (string( - "#ifdef GOOGLE_PROTOBUF_NO_STATIC_INITIALIZER\n") + - without_static_init + - "#else\n" + - with_static_init + - "#endif\n").c_str()); - } -} - - -static bool HasEnumDefinitions(const Descriptor* message_type) { - if (message_type->enum_type_count() > 0) return true; - for (int i = 0; i < message_type->nested_type_count(); ++i) { - if (HasEnumDefinitions(message_type->nested_type(i))) return true; - } - return false; -} - -bool HasEnumDefinitions(const FileDescriptor* file) { - if (file->enum_type_count() > 0) return true; - for (int i = 0; i < file->message_type_count(); ++i) { - if (HasEnumDefinitions(file->message_type(i))) return true; - } - return false; -} - -bool IsStringOrMessage(const FieldDescriptor* field) { - switch (field->cpp_type()) { - case FieldDescriptor::CPPTYPE_INT32: - case FieldDescriptor::CPPTYPE_INT64: - case FieldDescriptor::CPPTYPE_UINT32: - case FieldDescriptor::CPPTYPE_UINT64: - case FieldDescriptor::CPPTYPE_DOUBLE: - case FieldDescriptor::CPPTYPE_FLOAT: - case FieldDescriptor::CPPTYPE_BOOL: - case FieldDescriptor::CPPTYPE_ENUM: - return false; - case FieldDescriptor::CPPTYPE_STRING: - case FieldDescriptor::CPPTYPE_MESSAGE: - return true; - } - - GOOGLE_LOG(FATAL) << "Can't get here."; - return false; -} - } // namespace cpp } // namespace compiler } // namespace protobuf |