diff --git a/include/flatbuffers/code_generators.h b/include/flatbuffers/code_generators.h index dc5f6bdd8..e7450a7a0 100644 --- a/include/flatbuffers/code_generators.h +++ b/include/flatbuffers/code_generators.h @@ -39,11 +39,15 @@ class BaseGenerator { protected: BaseGenerator(const Parser &parser, const std::string &path, - const std::string &file_name) + const std::string &file_name, + const std::string qualifying_start, + const std::string qualifying_separator) : parser_(parser), path_(path), - file_name_(file_name) {}; - virtual ~BaseGenerator() {}; + file_name_(file_name), + qualifying_start_(qualifying_start), + qualifying_separator_(qualifying_separator){}; + virtual ~BaseGenerator(){}; // No copy/assign. BaseGenerator &operator=(const BaseGenerator &); @@ -85,9 +89,31 @@ class BaseGenerator { if (namespaces.size()) return *(namespaces.end() - 1); else return std::string(""); } + // tracks the current namespace for early exit in WrapInNameSpace + // c++, java and csharp returns a different namespace from + // the following default (no early exit, always fully qualify), + // which works for js and php + virtual const Namespace *CurrentNameSpace() { return nullptr; } + + // Ensure that a type is prefixed with its namespace whenever it is used + // outside of its namespace. + std::string WrapInNameSpace(const Namespace *ns, const std::string &name) { + if (CurrentNameSpace() == ns) return name; + std::string qualified_name = qualifying_start_; + for (auto it = ns->components.begin(); it != ns->components.end(); ++it) + qualified_name += *it + qualifying_separator_; + return qualified_name + name; + } + + std::string WrapInNameSpace(const Definition &def) { + return WrapInNameSpace(def.defined_namespace, def.name); + } + const Parser &parser_; const std::string &path_; const std::string &file_name_; + const std::string qualifying_start_; + const std::string qualifying_separator_; }; } // namespace flatbuffers diff --git a/src/idl_gen_cpp.cpp b/src/idl_gen_cpp.cpp index 6c7981417..c690240d6 100644 --- a/src/idl_gen_cpp.cpp +++ b/src/idl_gen_cpp.cpp @@ -39,7 +39,7 @@ class CppGenerator : public BaseGenerator { public: CppGenerator(const Parser &parser, const std::string &path, const std::string &file_name) - : BaseGenerator(parser, path, file_name){}; + : BaseGenerator(parser, path, file_name, "", "::"){}; // Iterate through all definitions we haven't generate code for (enums, // structs, // and tables) and output them to a single file. @@ -208,23 +208,7 @@ class CppGenerator : public BaseGenerator { // This tracks the current namespace so we can insert namespace declarations. const Namespace *cur_name_space_ = nullptr; - // Ensure that a type is prefixed with its namespace whenever it is used - // outside of its namespace. - std::string WrapInNameSpace(const Namespace *ns, const std::string &name) { - if (cur_name_space_ != ns) { - std::string qualified_name; - for (auto it = ns->components.begin(); it != ns->components.end(); ++it) { - qualified_name += *it + "::"; - } - return qualified_name + name; - } else { - return name; - } - } - - std::string WrapInNameSpace(const Definition &def) { - return WrapInNameSpace(def.defined_namespace, def.name); - } + const Namespace *CurrentNameSpace() { return cur_name_space_; } // Translates a qualified name in flatbuffer text format to the same name in // the equivalent C++ namespace. diff --git a/src/idl_gen_general.cpp b/src/idl_gen_general.cpp index 36dbd64ba..a96609c54 100644 --- a/src/idl_gen_general.cpp +++ b/src/idl_gen_general.cpp @@ -188,41 +188,83 @@ static_assert(sizeof(language_parameters) / sizeof(LanguageParameters) == IDLOptions::kMAX, "Please add extra elements to the arrays above."); -static std::string FunctionStart(const LanguageParameters &lang, char upper) { - return std::string() + - (lang.language == IDLOptions::kJava - ? static_cast(tolower(upper)) - : upper); +namespace general { +class GeneralGenerator : public BaseGenerator { + public: + GeneralGenerator(const Parser &parser, const std::string &path, + const std::string &file_name) + : BaseGenerator(parser, path, file_name, "", "."){ + assert(parser_.opts.lang <= IDLOptions::kMAX); + }; + bool generate() { + std::string one_file_code; + + for (auto it = parser_.enums_.vec.begin(); it != parser_.enums_.vec.end(); + ++it) { + std::string enumcode; + auto &enum_def = **it; + GenEnum(enum_def, &enumcode); + if (parser_.opts.one_file) { + one_file_code += enumcode; + } else { + if (!SaveType(enum_def.name, *enum_def.defined_namespace, + enumcode, false)) return false; + } + } + + for (auto it = parser_.structs_.vec.begin(); + it != parser_.structs_.vec.end(); ++it) { + std::string declcode; + auto &struct_def = **it; + GenStruct(struct_def, &declcode); + if (parser_.opts.one_file) { + one_file_code += declcode; + } else { + if (!SaveType(struct_def.name, *struct_def.defined_namespace, + declcode, true)) return false; + } + } + + if (parser_.opts.one_file) { + return SaveType(file_name_, *parser_.namespaces_.back(), + one_file_code, true); + } + return true; + } + + // Save out the generated code for a single class while adding + // declaration boilerplate. + bool SaveType(const std::string &defname, const Namespace &ns, + const std::string &classcode, bool needs_includes) { + if (!classcode.length()) return true; + + std::string code; + code = code + "// " + FlatBuffersGeneratedWarning(); + std::string namespace_name = FullNamespace(".", ns); + if (!namespace_name.empty()) { + code += lang_.namespace_ident + namespace_name + lang_.namespace_begin; + code += "\n\n"; + } + if (needs_includes) code += lang_.includes; + code += classcode; + if (!namespace_name.empty()) code += lang_.namespace_end; + auto filename = NamespaceDir(ns) + defname + lang_.file_extension; + return SaveFile(filename.c_str(), code, false); + } + + const Namespace *CurrentNameSpace() { return parser_.namespaces_.back(); } + + std::string FunctionStart(char upper) { + return std::string() + (lang_.language == IDLOptions::kJava + ? static_cast(tolower(upper)) + : upper); } static bool IsEnum(const Type& type) { return type.enum_def != nullptr && IsInteger(type.base_type); } -// Ensure that a type is prefixed with its namespace whenever it is used -// outside of its namespace. -static std::string WrapInNameSpace(const Parser &parser, const Namespace *ns, - const std::string &name) { - if (parser.namespaces_.back() != ns) { - std::string qualified_name; - for (auto it = ns->components.begin(); - it != ns->components.end(); ++it) { - qualified_name += *it + "."; - } - return qualified_name + name; - } else { - return name; - } -} - -static std::string WrapInNameSpace(const Parser &parser, - const Definition &def) { - return WrapInNameSpace(parser, def.defined_namespace, def.name); -} - -static std::string GenTypeBasic(const LanguageParameters &lang, const Parser &parser, - const Type &type, - bool enableLangOverrides) { +std::string GenTypeBasic(const Type &type, bool enableLangOverrides) { static const char *gtypename[] = { #define FLATBUFFERS_TD(ENUM, IDLTYPE, CTYPE, JTYPE, GTYPE, NTYPE, PTYPE) \ #JTYPE, #NTYPE, #GTYPE, @@ -231,55 +273,48 @@ static std::string GenTypeBasic(const LanguageParameters &lang, const Parser &pa }; if (enableLangOverrides) { - if (lang.language == IDLOptions::kCSharp) { - if (IsEnum(type)) return WrapInNameSpace(parser, *type.enum_def); + if (lang_.language == IDLOptions::kCSharp) { + if (IsEnum(type)) return WrapInNameSpace(*type.enum_def); if (type.base_type == BASE_TYPE_STRUCT) { - return "Offset<" + WrapInNameSpace(parser, *type.struct_def) + ">"; + return "Offset<" + WrapInNameSpace(*type.struct_def) + ">"; } } } - return gtypename[type.base_type * IDLOptions::kMAX + lang.language]; + return gtypename[type.base_type * IDLOptions::kMAX + lang_.language]; } -static std::string GenTypeBasic(const LanguageParameters &lang, const Parser &parser, - const Type &type) { - return GenTypeBasic(lang, parser, type, true); +std::string GenTypeBasic(const Type &type) { + return GenTypeBasic(type, true); } -static std::string GenTypeGet(const LanguageParameters &lang, const Parser &parser, - const Type &type); - -static std::string GenTypePointer(const LanguageParameters &lang, const Parser &parser, - const Type &type) { +std::string GenTypePointer(const Type &type) { switch (type.base_type) { case BASE_TYPE_STRING: - return lang.string_type; + return lang_.string_type; case BASE_TYPE_VECTOR: - return GenTypeGet(lang, parser, type.VectorType()); + return GenTypeGet(type.VectorType()); case BASE_TYPE_STRUCT: - return WrapInNameSpace(parser, *type.struct_def); + return WrapInNameSpace(*type.struct_def); case BASE_TYPE_UNION: // Unions in C# use a generic Table-derived type for better type safety - if (lang.language == IDLOptions::kCSharp) return "TTable"; + if (lang_.language == IDLOptions::kCSharp) return "TTable"; // fall through default: return "Table"; } } -static std::string GenTypeGet(const LanguageParameters &lang, const Parser &parser, - const Type &type) { +std::string GenTypeGet(const Type &type) { return IsScalar(type.base_type) - ? GenTypeBasic(lang, parser, type) - : GenTypePointer(lang, parser, type); + ? GenTypeBasic(type) + : GenTypePointer(type); } // Find the destination type the user wants to receive the value in (e.g. // one size higher signed types for unsigned serialized values in Java). -static Type DestinationType(const LanguageParameters &lang, const Parser &parser, const Type &type, - bool vectorelem) { - if (lang.language != IDLOptions::kJava) return type; +Type DestinationType(const Type &type, bool vectorelem) { + if (lang_.language != IDLOptions::kJava) return type; switch (type.base_type) { // We use int for both uchar/ushort, since that generally means less casting // than using short for uchar. @@ -288,33 +323,31 @@ static Type DestinationType(const LanguageParameters &lang, const Parser &parser case BASE_TYPE_UINT: return Type(BASE_TYPE_LONG); case BASE_TYPE_VECTOR: if (vectorelem) - return DestinationType(lang, parser, type.VectorType(), vectorelem); + return DestinationType(type.VectorType(), vectorelem); // else fall thru: default: return type; } } -static std::string GenOffsetType(const LanguageParameters &lang, const Parser &parser, - const StructDef &struct_def) { - if(lang.language == IDLOptions::kCSharp) { - return "Offset<" + WrapInNameSpace(parser, struct_def) + ">"; +std::string GenOffsetType(const StructDef &struct_def) { + if(lang_.language == IDLOptions::kCSharp) { + return "Offset<" + WrapInNameSpace(struct_def) + ">"; } else { return "int"; } } -static std::string GenOffsetConstruct(const LanguageParameters &lang, const Parser &parser, - const StructDef &struct_def, +std::string GenOffsetConstruct(const StructDef &struct_def, const std::string &variable_name) { - if(lang.language == IDLOptions::kCSharp) { - return "new Offset<" + WrapInNameSpace(parser, struct_def) + ">(" + variable_name + ")"; + if(lang_.language == IDLOptions::kCSharp) { + return "new Offset<" + WrapInNameSpace(struct_def) + ">(" + variable_name + ")"; } return variable_name; } -static std::string GenVectorOffsetType(const LanguageParameters &lang) { - if(lang.language == IDLOptions::kCSharp) { +std::string GenVectorOffsetType() { + if(lang_.language == IDLOptions::kCSharp) { return "VectorOffset"; } else { return "int"; @@ -322,34 +355,32 @@ static std::string GenVectorOffsetType(const LanguageParameters &lang) { } // Generate destination type name -static std::string GenTypeNameDest(const LanguageParameters &lang, const Parser &parser, const Type &type) +std::string GenTypeNameDest(const Type &type) { - return GenTypeGet(lang, parser, DestinationType(lang, parser, type, true)); + return GenTypeGet(DestinationType(type, true)); } // Mask to turn serialized value into destination type value. -static std::string DestinationMask(const LanguageParameters &lang, - const Type &type, bool vectorelem) { - if (lang.language != IDLOptions::kJava) return ""; +std::string DestinationMask(const Type &type, bool vectorelem) { + if (lang_.language != IDLOptions::kJava) return ""; switch (type.base_type) { case BASE_TYPE_UCHAR: return " & 0xFF"; case BASE_TYPE_USHORT: return " & 0xFFFF"; case BASE_TYPE_UINT: return " & 0xFFFFFFFFL"; case BASE_TYPE_VECTOR: if (vectorelem) - return DestinationMask(lang, type.VectorType(), vectorelem); + return DestinationMask(type.VectorType(), vectorelem); // else fall thru: default: return ""; } } // Casts necessary to correctly read serialized data -static std::string DestinationCast(const LanguageParameters &lang, const Parser &parser, - const Type &type) { +std::string DestinationCast(const Type &type) { if (type.base_type == BASE_TYPE_VECTOR) { - return DestinationCast(lang, parser, type.VectorType()); + return DestinationCast(type.VectorType()); } else { - switch (lang.language) { + switch (lang_.language) { case IDLOptions::kJava: // Cast necessary to correctly read serialized unsigned values. if (type.base_type == BASE_TYPE_UINT) return "(long)"; @@ -357,7 +388,7 @@ static std::string DestinationCast(const LanguageParameters &lang, const Parser case IDLOptions::kCSharp: // Cast from raw integral types to enum. - if (IsEnum(type)) return "(" + WrapInNameSpace(parser, *type.enum_def) + ")"; + if (IsEnum(type)) return "(" + WrapInNameSpace(*type.enum_def) + ")"; break; default: @@ -371,13 +402,11 @@ static std::string DestinationCast(const LanguageParameters &lang, const Parser // In Java, parameters representing unsigned numbers need to be cast down to their respective type. // For example, a long holding an unsigned int value would be cast down to int before being put onto the buffer. // In C#, one cast directly cast an Enum to its underlying type, which is essential before putting it onto the buffer. -static std::string SourceCast(const LanguageParameters &lang, const Parser &parser, - const Type &type, - bool castFromDest) { +std::string SourceCast(const Type &type, bool castFromDest) { if (type.base_type == BASE_TYPE_VECTOR) { - return SourceCast(lang, parser, type.VectorType(), castFromDest); + return SourceCast(type.VectorType(), castFromDest); } else { - switch (lang.language) { + switch (lang_.language) { case IDLOptions::kJava: if (castFromDest) { if (type.base_type == BASE_TYPE_UINT) return "(int)"; @@ -386,7 +415,7 @@ static std::string SourceCast(const LanguageParameters &lang, const Parser &pars } break; case IDLOptions::kCSharp: - if (IsEnum(type)) return "(" + GenTypeBasic(lang, parser, type, false) + ")"; + if (IsEnum(type)) return "(" + GenTypeBasic(type, false) + ")"; break; default: break; @@ -395,24 +424,20 @@ static std::string SourceCast(const LanguageParameters &lang, const Parser &pars return ""; } -static std::string SourceCast(const LanguageParameters &lang, const Parser &parser, - const Type &type) { - return SourceCast(lang, parser, type, true); +std::string SourceCast(const Type &type) { + return SourceCast(type, true); } -static std::string SourceCastBasic(const LanguageParameters &lang, const Parser &parser, - const Type &type, - bool castFromDest) { - return IsScalar(type.base_type) ? SourceCast(lang, parser, type, castFromDest) : ""; +std::string SourceCastBasic(const Type &type, bool castFromDest) { + return IsScalar(type.base_type) ? SourceCast(type, castFromDest) : ""; } -static std::string SourceCastBasic(const LanguageParameters &lang, const Parser &parser, - const Type &type) { - return SourceCastBasic(lang, parser, type, true); +std::string SourceCastBasic(const Type &type) { + return SourceCastBasic(type, true); } -static std::string GenEnumDefaultValue(const Parser &parser, const Value &value) { +std::string GenEnumDefaultValue(const Value &value) { auto enum_def = value.type.enum_def; auto vec = enum_def->vals.vec; auto default_value = StringToInt(value.constant.c_str()); @@ -421,7 +446,7 @@ static std::string GenEnumDefaultValue(const Parser &parser, const Value &value) for (auto it = vec.begin(); it != vec.end(); ++it) { auto enum_val = **it; if (enum_val.value == default_value) { - result = WrapInNameSpace(parser, *enum_def) + "." + enum_val.name; + result = WrapInNameSpace(*enum_def) + "." + enum_val.name; break; } } @@ -429,14 +454,13 @@ static std::string GenEnumDefaultValue(const Parser &parser, const Value &value) return result; } -static std::string GenDefaultValue(const LanguageParameters &lang, const Parser &parser, - const Value &value, bool enableLangOverrides) { +std::string GenDefaultValue(const Value &value, bool enableLangOverrides) { if (enableLangOverrides) { // handles both enum case and vector of enum case - if (lang.language == IDLOptions::kCSharp && + if (lang_.language == IDLOptions::kCSharp && value.type.enum_def != nullptr && value.type.base_type != BASE_TYPE_UNION) { - return GenEnumDefaultValue(parser, value); + return GenEnumDefaultValue(value); } } switch (value.type.base_type) { @@ -446,21 +470,19 @@ static std::string GenDefaultValue(const LanguageParameters &lang, const Parser } } -static std::string GenDefaultValue(const LanguageParameters &lang, const Parser &parser, - const Value &value) { - return GenDefaultValue(lang, parser, value, true); +std::string GenDefaultValue(const Value &value) { + return GenDefaultValue(value, true); } -static std::string GenDefaultValueBasic(const LanguageParameters &lang, const Parser &parser, - const Value &value, bool enableLangOverrides) { +std::string GenDefaultValueBasic(const Value &value, bool enableLangOverrides) { if (!IsScalar(value.type.base_type)) { if (enableLangOverrides) { - if (lang.language == IDLOptions::kCSharp) { + if (lang_.language == IDLOptions::kCSharp) { switch (value.type.base_type) { case BASE_TYPE_STRING: return "default(StringOffset)"; case BASE_TYPE_STRUCT: - return "default(Offset<" + WrapInNameSpace(parser, *value.type.struct_def) + ">)"; + return "default(Offset<" + WrapInNameSpace(*value.type.struct_def) + ">)"; case BASE_TYPE_VECTOR: return "default(VectorOffset)"; default: @@ -470,16 +492,14 @@ static std::string GenDefaultValueBasic(const LanguageParameters &lang, const Pa } return "0"; } - return GenDefaultValue(lang, parser, value, enableLangOverrides); + return GenDefaultValue(value, enableLangOverrides); } -static std::string GenDefaultValueBasic(const LanguageParameters &lang, const Parser &parser, - const Value &value) { - return GenDefaultValueBasic(lang, parser, value, true); +std::string GenDefaultValueBasic(const Value &value) { + return GenDefaultValueBasic(value, true); } -static void GenEnum(const LanguageParameters &lang, const Parser &parser, EnumDef &enum_def, - std::string *code_ptr) { +void GenEnum(EnumDef &enum_def, std::string *code_ptr) { std::string &code = *code_ptr; if (enum_def.generated) return; @@ -488,33 +508,33 @@ static void GenEnum(const LanguageParameters &lang, const Parser &parser, EnumDe // In Java, we use ints rather than the Enum feature, because we want them // to map directly to how they're used in C/C++ and file formats. // That, and Java Enums are expensive, and not universally liked. - GenComment(enum_def.doc_comment, code_ptr, &lang.comment_config); - code += std::string("public ") + lang.enum_decl + enum_def.name; - if (lang.language == IDLOptions::kCSharp) { - code += lang.inheritance_marker + GenTypeBasic(lang, parser, enum_def.underlying_type, false); + GenComment(enum_def.doc_comment, code_ptr, &lang_.comment_config); + code += std::string("public ") + lang_.enum_decl + enum_def.name; + if (lang_.language == IDLOptions::kCSharp) { + code += lang_.inheritance_marker + GenTypeBasic(enum_def.underlying_type, false); } - code += lang.open_curly; - if (lang.language == IDLOptions::kJava) { + code += lang_.open_curly; + if (lang_.language == IDLOptions::kJava) { code += " private " + enum_def.name + "() { }\n"; } for (auto it = enum_def.vals.vec.begin(); it != enum_def.vals.vec.end(); ++it) { auto &ev = **it; - GenComment(ev.doc_comment, code_ptr, &lang.comment_config, " "); - if (lang.language != IDLOptions::kCSharp) { + GenComment(ev.doc_comment, code_ptr, &lang_.comment_config, " "); + if (lang_.language != IDLOptions::kCSharp) { code += " public static"; - code += lang.const_decl; - code += GenTypeBasic(lang, parser, enum_def.underlying_type, false); + code += lang_.const_decl; + code += GenTypeBasic(enum_def.underlying_type, false); } code += " " + ev.name + " = "; code += NumToString(ev.value); - code += lang.enum_separator; + code += lang_.enum_separator; } // Generate a generate string table for enum values. // We do not do that for C# where this functionality is native. - if (lang.language != IDLOptions::kCSharp) { + if (lang_.language != IDLOptions::kCSharp) { // Problem is, if values are very sparse that could generate really big // tables. Ideally in that case we generate a map lookup instead, but for // the moment we simply don't output a table at all. @@ -525,8 +545,8 @@ static void GenEnum(const LanguageParameters &lang, const Parser &parser, EnumDe static const int kMaxSparseness = 5; if (range / static_cast(enum_def.vals.vec.size()) < kMaxSparseness) { code += "\n private static"; - code += lang.const_decl; - code += lang.string_type; + code += lang_.const_decl; + code += lang_.string_type; code += "[] names = { "; auto val = enum_def.vals.vec.front()->value; for (auto it = enum_def.vals.vec.begin(); @@ -537,8 +557,8 @@ static void GenEnum(const LanguageParameters &lang, const Parser &parser, EnumDe } code += "};\n\n"; code += " public static "; - code += lang.string_type; - code += " " + MakeCamel("name", lang.first_camel_upper); + code += lang_.string_type; + code += " " + MakeCamel("name", lang_.first_camel_upper); code += "(int e) { return names[e"; if (enum_def.vals.vec.front()->value) code += " - " + enum_def.vals.vec.front()->name; @@ -551,19 +571,18 @@ static void GenEnum(const LanguageParameters &lang, const Parser &parser, EnumDe } // Returns the function name that is able to read a value of the given type. -static std::string GenGetter(const LanguageParameters &lang, const Parser &parser, - const Type &type) { +std::string GenGetter(const Type &type) { switch (type.base_type) { case BASE_TYPE_STRING: return "__string"; case BASE_TYPE_STRUCT: return "__struct"; case BASE_TYPE_UNION: return "__union"; - case BASE_TYPE_VECTOR: return GenGetter(lang, parser, type.VectorType()); + case BASE_TYPE_VECTOR: return GenGetter(type.VectorType()); default: { - std::string getter = "bb." + FunctionStart(lang, 'G') + "et"; + std::string getter = "bb." + FunctionStart('G') + "et"; if (type.base_type == BASE_TYPE_BOOL) { getter = "0!=" + getter; - } else if (GenTypeBasic(lang, parser, type, false) != "byte") { - getter += MakeCamel(GenTypeBasic(lang, parser, type, false)); + } else if (GenTypeBasic(type, false) != "byte") { + getter += MakeCamel(GenTypeBasic(type, false)); } return getter; } @@ -572,13 +591,12 @@ static std::string GenGetter(const LanguageParameters &lang, const Parser &parse // Direct mutation is only allowed for scalar fields. // Hence a setter method will only be generated for such fields. -static std::string GenSetter(const LanguageParameters &lang, const Parser &parser, - const Type &type) { +std::string GenSetter(const Type &type) { if (IsScalar(type.base_type)) { - std::string setter = "bb." + FunctionStart(lang, 'P') + "ut"; - if (GenTypeBasic(lang, parser, type, false) != "byte" && + std::string setter = "bb." + FunctionStart('P') + "ut"; + if (GenTypeBasic(type, false) != "byte" && type.base_type != BASE_TYPE_BOOL) { - setter += MakeCamel(GenTypeBasic(lang, parser, type, false)); + setter += MakeCamel(GenTypeBasic(type, false)); } return setter; } else { @@ -587,17 +605,15 @@ static std::string GenSetter(const LanguageParameters &lang, const Parser &parse } // Returns the method name for use with add/put calls. -static std::string GenMethod(const LanguageParameters &lang, const Parser &parser, const Type &type) { +std::string GenMethod(const Type &type) { return IsScalar(type.base_type) - ? MakeCamel(GenTypeBasic(lang, parser, type, false)) + ? MakeCamel(GenTypeBasic(type, false)) : (IsStruct(type) ? "Struct" : "Offset"); } // Recursively generate arguments for a constructor, to deal with nested // structs. -static void GenStructArgs(const LanguageParameters &lang, const Parser &parser, - const StructDef &struct_def, - std::string *code_ptr, const char *nameprefix) { +void GenStructArgs(const StructDef &struct_def, std::string *code_ptr, const char *nameprefix) { std::string &code = *code_ptr; for (auto it = struct_def.fields.vec.begin(); it != struct_def.fields.vec.end(); @@ -607,14 +623,14 @@ static void GenStructArgs(const LanguageParameters &lang, const Parser &parser, // Generate arguments for a struct inside a struct. To ensure names // don't clash, and to make it obvious these arguments are constructing // a nested struct, prefix the name with the field name. - GenStructArgs(lang, parser, *field.value.type.struct_def, code_ptr, + GenStructArgs(*field.value.type.struct_def, code_ptr, (nameprefix + (field.name + "_")).c_str()); } else { code += ", "; - code += GenTypeBasic(lang, parser, DestinationType(lang, parser, field.value.type, false)); + code += GenTypeBasic(DestinationType(field.value.type, false)); code += " "; code += nameprefix; - code += MakeCamel(field.name, lang.first_camel_upper); + code += MakeCamel(field.name, lang_.first_camel_upper); } } } @@ -622,36 +638,33 @@ static void GenStructArgs(const LanguageParameters &lang, const Parser &parser, // Recusively generate struct construction statements of the form: // builder.putType(name); // and insert manual padding. -static void GenStructBody(const LanguageParameters &lang, const Parser &parser, - const StructDef &struct_def, - std::string *code_ptr, const char *nameprefix) { +void GenStructBody(const StructDef &struct_def, std::string *code_ptr, const char *nameprefix) { std::string &code = *code_ptr; - code += " builder." + FunctionStart(lang, 'P') + "rep("; + code += " builder." + FunctionStart('P') + "rep("; code += NumToString(struct_def.minalign) + ", "; code += NumToString(struct_def.bytesize) + ");\n"; for (auto it = struct_def.fields.vec.rbegin(); it != struct_def.fields.vec.rend(); ++it) { auto &field = **it; if (field.padding) { - code += " builder." + FunctionStart(lang, 'P') + "ad("; + code += " builder." + FunctionStart('P') + "ad("; code += NumToString(field.padding) + ");\n"; } if (IsStruct(field.value.type)) { - GenStructBody(lang, parser, *field.value.type.struct_def, code_ptr, + GenStructBody(*field.value.type.struct_def, code_ptr, (nameprefix + (field.name + "_")).c_str()); } else { - code += " builder." + FunctionStart(lang, 'P') + "ut"; - code += GenMethod(lang, parser, field.value.type) + "("; - code += SourceCast(lang, parser, field.value.type); - auto argname = nameprefix + MakeCamel(field.name, lang.first_camel_upper); + code += " builder." + FunctionStart('P') + "ut"; + code += GenMethod(field.value.type) + "("; + code += SourceCast(field.value.type); + auto argname = nameprefix + MakeCamel(field.name, lang_.first_camel_upper); code += argname; code += ");\n"; } } } -static void GenStruct(const LanguageParameters &lang, const Parser &parser, - StructDef &struct_def, std::string *code_ptr) { +void GenStruct(StructDef &struct_def, std::string *code_ptr) { if (struct_def.generated) return; std::string &code = *code_ptr; @@ -661,23 +674,23 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, // public type name() { // int o = __offset(offset); return o != 0 ? bb.getType(o + i) : default; // } - GenComment(struct_def.doc_comment, code_ptr, &lang.comment_config); + GenComment(struct_def.doc_comment, code_ptr, &lang_.comment_config); code += "public "; - if (lang.language == IDLOptions::kCSharp && + if (lang_.language == IDLOptions::kCSharp && struct_def.attributes.Lookup("csharp_partial")) { // generate a partial class for this C# struct/table code += "partial "; } else { - code += lang.unsubclassable_decl; + code += lang_.unsubclassable_decl; } - code += "class " + struct_def.name + lang.inheritance_marker; + code += "class " + struct_def.name + lang_.inheritance_marker; code += struct_def.fixed ? "Struct" : "Table"; code += " {\n"; if (!struct_def.fixed) { // Generate a special accessor for the table that when used as the root // of a FlatBuffer - std::string method_name = FunctionStart(lang, 'G') + "etRootAs" + struct_def.name; + std::string method_name = FunctionStart('G') + "etRootAs" + struct_def.name; std::string method_signature = " public static " + struct_def.name + " " + method_name; // create convenience method that doesn't require an existing object @@ -686,20 +699,20 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, // create method that allows object reuse code += method_signature + "(ByteBuffer _bb, " + struct_def.name + " obj) { "; - code += lang.set_bb_byteorder; - code += "return (obj.__init(_bb." + FunctionStart(lang, 'G'); + code += lang_.set_bb_byteorder; + code += "return (obj.__init(_bb." + FunctionStart('G'); code += "etInt(_bb."; - code += lang.get_bb_position; + code += lang_.get_bb_position; code += ") + _bb."; - code += lang.get_bb_position; + code += lang_.get_bb_position; code += ", _bb)); }\n"; - if (parser.root_struct_def_ == &struct_def) { - if (parser.file_identifier_.length()) { + if (parser_.root_struct_def_ == &struct_def) { + if (parser_.file_identifier_.length()) { // Check if a buffer has the identifier. code += " public static "; - code += lang.bool_type + struct_def.name; + code += lang_.bool_type + struct_def.name; code += "BufferHasIdentifier(ByteBuffer _bb) { return "; - code += "__has_identifier(_bb, \"" + parser.file_identifier_; + code += "__has_identifier(_bb, \"" + parser_.file_identifier_; code += "\"); }\n"; } } @@ -714,14 +727,14 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, ++it) { auto &field = **it; if (field.deprecated) continue; - GenComment(field.doc_comment, code_ptr, &lang.comment_config, " "); - std::string type_name = GenTypeGet(lang, parser, field.value.type); - std::string type_name_dest = GenTypeNameDest(lang, parser, field.value.type); - std::string dest_mask = DestinationMask(lang, field.value.type, true); - std::string dest_cast = DestinationCast(lang, parser, field.value.type); - std::string src_cast = SourceCast(lang, parser, field.value.type); + GenComment(field.doc_comment, code_ptr, &lang_.comment_config, " "); + std::string type_name = GenTypeGet(field.value.type); + std::string type_name_dest = GenTypeNameDest(field.value.type); + std::string dest_mask = DestinationMask(field.value.type, true); + std::string dest_cast = DestinationCast(field.value.type); + std::string src_cast = SourceCast(field.value.type); std::string method_start = " public " + type_name_dest + " " + - MakeCamel(field.name, lang.first_camel_upper); + MakeCamel(field.name, lang_.first_camel_upper); // Most field accessors need to retrieve and test the field offset first, // this is the prefix code for that: @@ -731,16 +744,16 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, // Generate the accessors that don't do object reuse. if (field.value.type.base_type == BASE_TYPE_STRUCT) { // Calls the accessor that takes an accessor object with a new object. - if (lang.language == IDLOptions::kCSharp) { + if (lang_.language == IDLOptions::kCSharp) { code += method_start + " { get { return Get"; - code += MakeCamel(field.name, lang.first_camel_upper); + code += MakeCamel(field.name, lang_.first_camel_upper); code += "(new "; code += type_name + "()); } }\n"; - method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang.first_camel_upper); + method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang_.first_camel_upper); } else { code += method_start + "() { return "; - code += MakeCamel(field.name, lang.first_camel_upper); + code += MakeCamel(field.name, lang_.first_camel_upper); code += "(new "; code += type_name + "()); }\n"; } @@ -748,32 +761,32 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, field.value.type.element == BASE_TYPE_STRUCT) { // Accessors for vectors of structs also take accessor objects, this // generates a variant without that argument. - if (lang.language == IDLOptions::kCSharp) { - method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang.first_camel_upper); + if (lang_.language == IDLOptions::kCSharp) { + method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang_.first_camel_upper); code += method_start + "(int j) { return Get"; } else { code += method_start + "(int j) { return "; } - code += MakeCamel(field.name, lang.first_camel_upper); + code += MakeCamel(field.name, lang_.first_camel_upper); code += "(new "; code += type_name + "(), j); }\n"; } else if (field.value.type.base_type == BASE_TYPE_VECTOR) { - if (lang.language == IDLOptions::kCSharp) { - method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang.first_camel_upper); + if (lang_.language == IDLOptions::kCSharp) { + method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang_.first_camel_upper); } } else if (field.value.type.base_type == BASE_TYPE_UNION) { - if (lang.language == IDLOptions::kCSharp) { + if (lang_.language == IDLOptions::kCSharp) { // union types in C# use generic Table-derived type for better type safety - method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang.first_camel_upper) + ""; + method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang_.first_camel_upper) + ""; offset_prefix = " where TTable : Table" + offset_prefix; type_name = type_name_dest; } } - std::string getter = dest_cast + GenGetter(lang, parser, field.value.type); + std::string getter = dest_cast + GenGetter(field.value.type); code += method_start; std::string default_cast = ""; // only create default casts for c# scalars or vectors of scalars - if (lang.language == IDLOptions::kCSharp && + if (lang_.language == IDLOptions::kCSharp && (IsScalar(field.value.type.base_type) || (field.value.type.base_type == BASE_TYPE_VECTOR && IsScalar(field.value.type.element)))) { // For scalars, default value will be returned by GetDefaultValue(). If the scalar is an enum, GetDefaultValue() @@ -785,8 +798,8 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, } std::string member_suffix = ""; if (IsScalar(field.value.type.base_type)) { - code += lang.getter_prefix; - member_suffix = lang.getter_suffix; + code += lang_.getter_prefix; + member_suffix = lang_.getter_suffix; if (struct_def.fixed) { code += " { return " + getter; code += "(bb_pos + " + NumToString(field.value.offset) + ")"; @@ -794,7 +807,7 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, } else { code += offset_prefix + getter; code += "(o + bb_pos)" + dest_mask + " : " + default_cast; - code += GenDefaultValue(lang, parser, field.value); + code += GenDefaultValue(field.value); } } else { switch (field.value.type.base_type) { @@ -814,8 +827,8 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, } break; case BASE_TYPE_STRING: - code += lang.getter_prefix; - member_suffix = lang.getter_suffix; + code += lang_.getter_prefix; + member_suffix = lang_.getter_suffix; code += offset_prefix + getter + "(o + bb_pos) : null"; break; case BASE_TYPE_VECTOR: { @@ -854,22 +867,22 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, code += member_suffix; code += "}\n"; if (field.value.type.base_type == BASE_TYPE_VECTOR) { - code += " public int " + MakeCamel(field.name, lang.first_camel_upper); + code += " public int " + MakeCamel(field.name, lang_.first_camel_upper); code += "Length"; - code += lang.getter_prefix; + code += lang_.getter_prefix; code += offset_prefix; code += "__vector_len(o) : 0; "; - code += lang.getter_suffix; + code += lang_.getter_suffix; code += "}\n"; } // Generate a ByteBuffer accessor for strings & vectors of scalars. if ((field.value.type.base_type == BASE_TYPE_VECTOR && IsScalar(field.value.type.VectorType().base_type)) || field.value.type.base_type == BASE_TYPE_STRING) { - switch (lang.language) { + switch (lang_.language) { case IDLOptions::kJava: code += " public ByteBuffer "; - code += MakeCamel(field.name, lang.first_camel_upper); + code += MakeCamel(field.name, lang_.first_camel_upper); code += "AsByteBuffer() { return __vector_as_bytebuffer("; code += NumToString(field.value.offset) + ", "; code += NumToString(field.value.type.base_type == BASE_TYPE_STRING ? 1 : @@ -878,7 +891,7 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, break; case IDLOptions::kCSharp: code += " public ArraySegment? Get"; - code += MakeCamel(field.name, lang.first_camel_upper); + code += MakeCamel(field.name, lang_.first_camel_upper); code += "Bytes() { return __vector_as_arraysegment("; code += NumToString(field.value.offset); code += "); }\n"; @@ -891,13 +904,13 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, auto nested = field.attributes.Lookup("nested_flatbuffer"); if (nested) { auto nested_qualified_name = - parser.namespaces_.back()->GetFullyQualifiedName(nested->constant); - auto nested_type = parser.structs_.Lookup(nested_qualified_name); - auto nested_type_name = WrapInNameSpace(parser, *nested_type); - auto nestedMethodName = MakeCamel(field.name, lang.first_camel_upper) + parser_.namespaces_.back()->GetFullyQualifiedName(nested->constant); + auto nested_type = parser_.structs_.Lookup(nested_qualified_name); + auto nested_type_name = WrapInNameSpace(*nested_type); + auto nestedMethodName = MakeCamel(field.name, lang_.first_camel_upper) + "As" + nested_type_name; auto getNestedMethodName = nestedMethodName; - if (lang.language == IDLOptions::kCSharp) { + if (lang_.language == IDLOptions::kCSharp) { getNestedMethodName = "Get" + nestedMethodName; } code += " public " + nested_type_name + " "; @@ -909,16 +922,16 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, code += "return o != 0 ? obj.__init(__indirect(__vector(o)), bb) : null; }\n"; } // generate mutators for scalar fields or vectors of scalars - if (parser.opts.mutable_buffer) { + if (parser_.opts.mutable_buffer) { auto underlying_type = field.value.type.base_type == BASE_TYPE_VECTOR ? field.value.type.VectorType() : field.value.type; // boolean parameters have to be explicitly converted to byte representation auto setter_parameter = underlying_type.base_type == BASE_TYPE_BOOL ? "(byte)(" + field.name + " ? 1 : 0)" : field.name; - auto mutator_prefix = MakeCamel("mutate", lang.first_camel_upper); + auto mutator_prefix = MakeCamel("mutate", lang_.first_camel_upper); //a vector mutator also needs the index of the vector element it should mutate auto mutator_params = (field.value.type.base_type == BASE_TYPE_VECTOR ? "(int j, " : "(") + - GenTypeNameDest(lang, parser, underlying_type) + " " + + GenTypeNameDest(underlying_type) + " " + field.name + ") { "; auto setter_index = field.value.type.base_type == BASE_TYPE_VECTOR ? "__vector(o) + j * " + NumToString(InlineSize(underlying_type)) @@ -927,15 +940,15 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, (field.value.type.base_type == BASE_TYPE_VECTOR && IsScalar(field.value.type.VectorType().base_type))) { code += " public "; - code += struct_def.fixed ? "void " : lang.bool_type; + code += struct_def.fixed ? "void " : lang_.bool_type; code += mutator_prefix + MakeCamel(field.name, true); code += mutator_params; if (struct_def.fixed) { - code += GenSetter(lang, parser, underlying_type) + "(" + setter_index + ", "; + code += GenSetter(underlying_type) + "(" + setter_index + ", "; code += src_cast + setter_parameter + "); }\n"; } else { code += "int o = __offset(" + NumToString(field.value.offset) + ");"; - code += " if (o != 0) { " + GenSetter(lang, parser, underlying_type); + code += " if (o != 0) { " + GenSetter(underlying_type); code += "(" + setter_index + ", " + src_cast + setter_parameter + "); return true; } else { return false; } }\n"; } } @@ -944,14 +957,14 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, code += "\n"; if (struct_def.fixed) { // create a struct constructor function - code += " public static " + GenOffsetType(lang, parser, struct_def) + " "; - code += FunctionStart(lang, 'C') + "reate"; + code += " public static " + GenOffsetType(struct_def) + " "; + code += FunctionStart('C') + "reate"; code += struct_def.name + "(FlatBufferBuilder builder"; - GenStructArgs(lang, parser, struct_def, code_ptr, ""); + GenStructArgs(struct_def, code_ptr, ""); code += ") {\n"; - GenStructBody(lang, parser, struct_def, code_ptr, ""); + GenStructBody(struct_def, code_ptr, ""); code += " return "; - code += GenOffsetConstruct(lang, parser, struct_def, "builder." + std::string(lang.get_fbb_offset)); + code += GenOffsetConstruct(struct_def, "builder." + std::string(lang_.get_fbb_offset)); code += ";\n }\n"; } else { // Generate a method that creates a table in one go. This is only possible @@ -972,28 +985,28 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, if (has_no_struct_fields && num_fields) { // Generate a table constructor of the form: // public static int createName(FlatBufferBuilder builder, args...) - code += " public static " + GenOffsetType(lang, parser, struct_def) + " "; - code += FunctionStart(lang, 'C') + "reate" + struct_def.name; + code += " public static " + GenOffsetType(struct_def) + " "; + code += FunctionStart('C') + "reate" + struct_def.name; code += "(FlatBufferBuilder builder"; for (auto it = struct_def.fields.vec.begin(); it != struct_def.fields.vec.end(); ++it) { auto &field = **it; if (field.deprecated) continue; code += ",\n "; - code += GenTypeBasic(lang, parser, DestinationType(lang, parser, field.value.type, false)); + code += GenTypeBasic(DestinationType(field.value.type, false)); code += " "; code += field.name; if (!IsScalar(field.value.type.base_type)) code += "Offset"; // Java doesn't have defaults, which means this method must always // supply all arguments, and thus won't compile when fields are added. - if (lang.language != IDLOptions::kJava) { + if (lang_.language != IDLOptions::kJava) { code += " = "; - code += GenDefaultValueBasic(lang, parser, field.value); + code += GenDefaultValueBasic(field.value); } } code += ") {\n builder."; - code += FunctionStart(lang, 'S') + "tartObject("; + code += FunctionStart('S') + "tartObject("; code += NumToString(struct_def.fields.vec.size()) + ");\n"; for (size_t size = struct_def.sortbysize ? sizeof(largest_scalar_t) : 1; size; @@ -1005,7 +1018,7 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, (!struct_def.sortbysize || size == SizeOf(field.value.type.base_type))) { code += " " + struct_def.name + "."; - code += FunctionStart(lang, 'A') + "dd"; + code += FunctionStart('A') + "dd"; code += MakeCamel(field.name) + "(builder, " + field.name; if (!IsScalar(field.value.type.base_type)) code += "Offset"; code += ");\n"; @@ -1013,7 +1026,7 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, } } code += " return " + struct_def.name + "."; - code += FunctionStart(lang, 'E') + "nd" + struct_def.name; + code += FunctionStart('E') + "nd" + struct_def.name; code += "(builder);\n }\n\n"; } // Generate a set of static methods that allow table construction, @@ -1021,30 +1034,30 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, // public static void addName(FlatBufferBuilder builder, short name) // { builder.addShort(id, name, default); } // Unlike the Create function, these always work. - code += " public static void " + FunctionStart(lang, 'S') + "tart"; + code += " public static void " + FunctionStart('S') + "tart"; code += struct_def.name; code += "(FlatBufferBuilder builder) { builder."; - code += FunctionStart(lang, 'S') + "tartObject("; + code += FunctionStart('S') + "tartObject("; code += NumToString(struct_def.fields.vec.size()) + "); }\n"; for (auto it = struct_def.fields.vec.begin(); it != struct_def.fields.vec.end(); ++it) { auto &field = **it; if (field.deprecated) continue; - code += " public static void " + FunctionStart(lang, 'A') + "dd"; + code += " public static void " + FunctionStart('A') + "dd"; code += MakeCamel(field.name); code += "(FlatBufferBuilder builder, "; - code += GenTypeBasic(lang, parser, DestinationType(lang, parser, field.value.type, false)); + code += GenTypeBasic(DestinationType(field.value.type, false)); auto argname = MakeCamel(field.name, false); if (!IsScalar(field.value.type.base_type)) argname += "Offset"; - code += " " + argname + ") { builder." + FunctionStart(lang, 'A') + "dd"; - code += GenMethod(lang, parser, field.value.type) + "("; + code += " " + argname + ") { builder." + FunctionStart('A') + "dd"; + code += GenMethod(field.value.type) + "("; code += NumToString(it - struct_def.fields.vec.begin()) + ", "; - code += SourceCastBasic(lang, parser, field.value.type); + code += SourceCastBasic(field.value.type); code += argname; - if(!IsScalar(field.value.type.base_type) && field.value.type.base_type != BASE_TYPE_UNION && lang.language == IDLOptions::kCSharp) { + if(!IsScalar(field.value.type.base_type) && field.value.type.base_type != BASE_TYPE_UNION && lang_.language == IDLOptions::kCSharp) { code += ".Value"; } - code += ", " + GenDefaultValue(lang, parser, field.value, false); + code += ", " + GenDefaultValue(field.value, false); code += "); }\n"; if (field.value.type.base_type == BASE_TYPE_VECTOR) { auto vector_type = field.value.type.VectorType(); @@ -1052,133 +1065,69 @@ static void GenStruct(const LanguageParameters &lang, const Parser &parser, auto elem_size = InlineSize(vector_type); if (!IsStruct(vector_type)) { // Generate a method to create a vector from a Java array. - code += " public static " + GenVectorOffsetType(lang) + " " + FunctionStart(lang, 'C') + "reate"; + code += " public static " + GenVectorOffsetType() + " " + FunctionStart('C') + "reate"; code += MakeCamel(field.name); code += "Vector(FlatBufferBuilder builder, "; - code += GenTypeBasic(lang, parser, vector_type) + "[] data) "; - code += "{ builder." + FunctionStart(lang, 'S') + "tartVector("; + code += GenTypeBasic(vector_type) + "[] data) "; + code += "{ builder." + FunctionStart('S') + "tartVector("; code += NumToString(elem_size); - code += ", data." + FunctionStart(lang, 'L') + "ength, "; + code += ", data." + FunctionStart('L') + "ength, "; code += NumToString(alignment); code += "); for (int i = data."; - code += FunctionStart(lang, 'L') + "ength - 1; i >= 0; i--) builder."; - code += FunctionStart(lang, 'A') + "dd"; - code += GenMethod(lang, parser, vector_type); + code += FunctionStart('L') + "ength - 1; i >= 0; i--) builder."; + code += FunctionStart('A') + "dd"; + code += GenMethod(vector_type); code += "("; - code += SourceCastBasic(lang, parser, vector_type, false); + code += SourceCastBasic(vector_type, false); code += "data[i]"; - if (lang.language == IDLOptions::kCSharp && + if (lang_.language == IDLOptions::kCSharp && (vector_type.base_type == BASE_TYPE_STRUCT || vector_type.base_type == BASE_TYPE_STRING)) code += ".Value"; code += "); return "; - code += "builder." + FunctionStart(lang, 'E') + "ndVector(); }\n"; + code += "builder." + FunctionStart('E') + "ndVector(); }\n"; } // Generate a method to start a vector, data to be added manually after. - code += " public static void " + FunctionStart(lang, 'S') + "tart"; + code += " public static void " + FunctionStart('S') + "tart"; code += MakeCamel(field.name); code += "Vector(FlatBufferBuilder builder, int numElems) "; - code += "{ builder." + FunctionStart(lang, 'S') + "tartVector("; + code += "{ builder." + FunctionStart('S') + "tartVector("; code += NumToString(elem_size); code += ", numElems, " + NumToString(alignment); code += "); }\n"; } } - code += " public static " + GenOffsetType(lang, parser, struct_def) + " "; - code += FunctionStart(lang, 'E') + "nd" + struct_def.name; + code += " public static " + GenOffsetType(struct_def) + " "; + code += FunctionStart('E') + "nd" + struct_def.name; code += "(FlatBufferBuilder builder) {\n int o = builder."; - code += FunctionStart(lang, 'E') + "ndObject();\n"; + code += FunctionStart('E') + "ndObject();\n"; for (auto it = struct_def.fields.vec.begin(); it != struct_def.fields.vec.end(); ++it) { auto &field = **it; if (!field.deprecated && field.required) { - code += " builder." + FunctionStart(lang, 'R') + "equired(o, "; + code += " builder." + FunctionStart('R') + "equired(o, "; code += NumToString(field.value.offset); code += "); // " + field.name + "\n"; } } - code += " return " + GenOffsetConstruct(lang, parser, struct_def, "o") + ";\n }\n"; - if (parser.root_struct_def_ == &struct_def) { + code += " return " + GenOffsetConstruct(struct_def, "o") + ";\n }\n"; + if (parser_.root_struct_def_ == &struct_def) { code += " public static void "; - code += FunctionStart(lang, 'F') + "inish" + struct_def.name; - code += "Buffer(FlatBufferBuilder builder, " + GenOffsetType(lang, parser, struct_def) + " offset) {"; - code += " builder." + FunctionStart(lang, 'F') + "inish(offset"; - if (lang.language == IDLOptions::kCSharp) { + code += FunctionStart('F') + "inish" + struct_def.name; + code += "Buffer(FlatBufferBuilder builder, " + GenOffsetType(struct_def) + " offset) {"; + code += " builder." + FunctionStart('F') + "inish(offset"; + if (lang_.language == IDLOptions::kCSharp) { code += ".Value"; } - if (parser.file_identifier_.length()) - code += ", \"" + parser.file_identifier_ + "\""; + if (parser_.file_identifier_.length()) + code += ", \"" + parser_.file_identifier_ + "\""; code += "); }\n"; } } code += "};\n\n"; -} - -namespace general { -class GeneralGenerator : public BaseGenerator { - public: - GeneralGenerator(const Parser &parser, const std::string &path, - const std::string &file_name) - : BaseGenerator(parser, path, file_name){}; - bool generate() { - assert(parser_.opts.lang <= IDLOptions::kMAX); - auto lang = language_parameters[parser_.opts.lang]; - std::string one_file_code; - - for (auto it = parser_.enums_.vec.begin(); it != parser_.enums_.vec.end(); - ++it) { - std::string enumcode; - auto &enum_def = **it; - GenEnum(lang, parser_, enum_def, &enumcode); - if (parser_.opts.one_file) { - one_file_code += enumcode; - } else { - if (!SaveType(lang, enum_def.name, *enum_def.defined_namespace, - enumcode, false)) return false; - } - } - - for (auto it = parser_.structs_.vec.begin(); - it != parser_.structs_.vec.end(); ++it) { - std::string declcode; - auto &struct_def = **it; - GenStruct(lang, parser_, struct_def, &declcode); - if (parser_.opts.one_file) { - one_file_code += declcode; - } else { - if (!SaveType(lang, struct_def.name, *struct_def.defined_namespace, - declcode, true)) return false; - } - } - - if (parser_.opts.one_file) { - return SaveType(lang, file_name_, *parser_.namespaces_.back(), - one_file_code, true); - } - return true; - } - - // Save out the generated code for a single class while adding - // declaration boilerplate. - bool SaveType(const LanguageParameters &lang, const std::string &defname, - const Namespace &ns, const std::string &classcode, - bool needs_includes) { - if (!classcode.length()) return true; - - std::string code; - code = code + "// " + FlatBuffersGeneratedWarning(); - std::string namespace_name = FullNamespace(".", ns); - if (!namespace_name.empty()) { - code += lang.namespace_ident + namespace_name + lang.namespace_begin; - code += "\n\n"; - } - if (needs_includes) code += lang.includes; - code += classcode; - if (!namespace_name.empty()) code += lang.namespace_end; - auto filename = NamespaceDir(ns) + defname + lang.file_extension; - return SaveFile(filename.c_str(), code, false); - } +} + const LanguageParameters & lang_ = language_parameters[parser_.opts.lang]; }; } // namespace general diff --git a/src/idl_gen_go.cpp b/src/idl_gen_go.cpp index 5c60c1052..a04b6ba20 100644 --- a/src/idl_gen_go.cpp +++ b/src/idl_gen_go.cpp @@ -625,7 +625,8 @@ class GoGenerator : public BaseGenerator { public: GoGenerator(const Parser &parser, const std::string &path, const std::string &file_name) - : BaseGenerator(parser, path, file_name){}; + : BaseGenerator(parser, path, file_name, "" /* not used*/, + "" /* not used */){}; bool generate() { for (auto it = parser_.enums_.vec.begin(); it != parser_.enums_.vec.end(); ++it) { diff --git a/src/idl_gen_js.cpp b/src/idl_gen_js.cpp index d724b80f4..32a06f1ef 100644 --- a/src/idl_gen_js.cpp +++ b/src/idl_gen_js.cpp @@ -22,14 +22,71 @@ #include "flatbuffers/code_generators.h" namespace flatbuffers { -namespace js { -static void GenNamespaces(const Parser &parser, std::string *code_ptr, - std::string *exports_ptr) { +static std::string GeneratedFileName(const std::string &path, + const std::string &file_name) { + return path + file_name + "_generated.js"; +} + +namespace js { +// Iterate through all definitions we haven't generate code for (enums, structs, +// and tables) and output them to a single file. +class JsGenerator : public BaseGenerator { + public: + JsGenerator(const Parser &parser, const std::string &path, + const std::string &file_name) + : BaseGenerator(parser, path, file_name, "", "."){}; + // Iterate through all definitions we haven't generate code for (enums, + // structs, and tables) and output them to a single file. + bool generate() { + if (IsEverythingGenerated()) return true; + + std::string enum_code, struct_code, exports_code, code; + generateEnums(&enum_code, &exports_code); + generateStructs(&struct_code, &exports_code); + + code = code + "// " + FlatBuffersGeneratedWarning(); + + // Generate code for all the namespace declarations. + GenNamespaces(&code, &exports_code); + + // Output the main declaration code from above. + code += enum_code; + code += struct_code; + + if (!exports_code.empty() && !parser_.opts.skip_js_exports) { + code += "// Exports for Node.js and RequireJS\n"; + code += exports_code; + } + + return SaveFile(GeneratedFileName(path_, file_name_).c_str(), code, false); + } + + private: + // Generate code for all enums. + void generateEnums(std::string *enum_code_ptr, + std::string *exports_code_ptr) { + for (auto it = parser_.enums_.vec.begin(); it != parser_.enums_.vec.end(); + ++it) { + auto &enum_def = **it; + GenEnum(enum_def, enum_code_ptr, exports_code_ptr); + } + } + + // Generate code for all structs. + void generateStructs(std::string *decl_code_ptr, + std::string *exports_code_ptr) { + for (auto it = parser_.structs_.vec.begin(); + it != parser_.structs_.vec.end(); ++it) { + auto &struct_def = **it; + GenStruct(struct_def, decl_code_ptr, exports_code_ptr); + } + } + void GenNamespaces(std::string *code_ptr, std::string *exports_ptr) { std::set namespaces; - for (auto it = parser.namespaces_.begin(); - it != parser.namespaces_.end(); ++it) { + for (auto it = parser_.namespaces_.begin(); + it != parser_.namespaces_.end(); ++it) { std::string namespace_so_far; // Gather all parent namespaces for this namespace @@ -62,22 +119,6 @@ static void GenNamespaces(const Parser &parser, std::string *code_ptr, } } -// Ensure that a type is prefixed with its namespace whenever it is used -// outside of its namespace. -static std::string WrapInNameSpace(const Namespace *ns, - const std::string &name) { - std::string qualified_name; - for (auto it = ns->components.begin(); - it != ns->components.end(); ++it) { - qualified_name += *it + "."; - } - return qualified_name + name; -} - -static std::string WrapInNameSpace(const Definition &def) { - return WrapInNameSpace(def.defined_namespace, def.name); -} - // Generate a documentation comment, if available. static void GenDocComment(const std::vector &dc, std::string *code_ptr, @@ -123,7 +164,7 @@ static void GenDocComment(std::string *code_ptr, } // Generate an enum declaration and an enum string lookup table. -static void GenEnum(EnumDef &enum_def, std::string *code_ptr, +void GenEnum(EnumDef &enum_def, std::string *code_ptr, std::string *exports_ptr) { if (enum_def.generated) return; std::string &code = *code_ptr; @@ -170,7 +211,7 @@ static std::string GenType(const Type &type) { } } -static std::string GenGetter(const Type &type, const std::string &arguments) { +std::string GenGetter(const Type &type, const std::string &arguments) { switch (type.base_type) { case BASE_TYPE_STRING: return "this.bb.__string" + arguments; case BASE_TYPE_STRUCT: return "this.bb.__struct" + arguments; @@ -190,7 +231,7 @@ static std::string GenGetter(const Type &type, const std::string &arguments) { } } -static std::string GenDefaultValue(const Value &value, const std::string &context) { +std::string GenDefaultValue(const Value &value, const std::string &context) { if (value.type.enum_def) { if (auto val = value.type.enum_def->ReverseLookup( atoi(value.constant.c_str()), false)) { @@ -217,7 +258,7 @@ static std::string GenDefaultValue(const Value &value, const std::string &contex } } -static std::string GenTypeName(const Type &type, bool input) { +std::string GenTypeName(const Type &type, bool input) { if (!input) { if (type.base_type == BASE_TYPE_STRING) { return "string|Uint8Array"; @@ -269,7 +310,7 @@ static std::string MaybeScale(T value) { return value != 1 ? " * " + NumToString(value) : ""; } -static void GenStructArgs(const StructDef &struct_def, +void GenStructArgs(const StructDef &struct_def, std::string *annotations, std::string *arguments, const std::string &nameprefix) { @@ -320,8 +361,7 @@ static void GenStructBody(const StructDef &struct_def, } // Generate an accessor struct with constructor for a flatbuffers struct. -static void GenStruct(const Parser &parser, StructDef &struct_def, - std::string *code_ptr, std::string *exports_ptr) { +void GenStruct(StructDef &struct_def, std::string *code_ptr, std::string *exports_ptr) { if (struct_def.generated) return; std::string &code = *code_ptr; std::string &exports = *exports_ptr; @@ -375,13 +415,13 @@ static void GenStruct(const Parser &parser, StructDef &struct_def, code += "};\n\n"; // Generate the identifier check method - if (parser.root_struct_def_ == &struct_def && - !parser.file_identifier_.empty()) { + if (parser_.root_struct_def_ == &struct_def && + !parser_.file_identifier_.empty()) { GenDocComment(code_ptr, "@param {flatbuffers.ByteBuffer} bb\n" "@returns {boolean}"); code += object_name + ".bufferHasIdentifier = function(bb) {\n"; - code += " return bb.__has_identifier('" + parser.file_identifier_; + code += " return bb.__has_identifier('" + parser_.file_identifier_; code += "');\n};\n\n"; } } @@ -644,83 +684,21 @@ static void GenStruct(const Parser &parser, StructDef &struct_def, code += "};\n\n"; // Generate the method to complete buffer construction - if (parser.root_struct_def_ == &struct_def) { + if (parser_.root_struct_def_ == &struct_def) { GenDocComment(code_ptr, "@param {flatbuffers.Builder} builder\n" "@param {flatbuffers.Offset} offset"); code += object_name + ".finish" + struct_def.name + "Buffer"; code += " = function(builder, offset) {\n"; code += " builder.finish(offset"; - if (!parser.file_identifier_.empty()) { - code += ", '" + parser.file_identifier_ + "'"; + if (!parser_.file_identifier_.empty()) { + code += ", '" + parser_.file_identifier_ + "'"; } code += ");\n"; code += "};\n\n"; } } } - -} // namespace js - -static std::string GeneratedFileName(const std::string &path, - const std::string &file_name) { - return path + file_name + "_generated.js"; -} - -namespace js { -// Iterate through all definitions we haven't generate code for (enums, structs, -// and tables) and output them to a single file. -class JsGenerator : public BaseGenerator { - public: - JsGenerator(const Parser &parser, const std::string &path, - const std::string &file_name) - : BaseGenerator(parser, path, file_name){}; - // Iterate through all definitions we haven't generate code for (enums, - // structs, and tables) and output them to a single file. - bool generate() { - if (IsEverythingGenerated()) return true; - - std::string enum_code, struct_code, exports_code, code; - generateEnums(&enum_code, &exports_code); - generateStructs(&struct_code, &exports_code); - - code = code + "// " + FlatBuffersGeneratedWarning(); - - // Generate code for all the namespace declarations. - GenNamespaces(parser_, &code, &exports_code); - - // Output the main declaration code from above. - code += enum_code; - code += struct_code; - - if (!exports_code.empty() && !parser_.opts.skip_js_exports) { - code += "// Exports for Node.js and RequireJS\n"; - code += exports_code; - } - - return SaveFile(GeneratedFileName(path_, file_name_).c_str(), code, false); - } - - private: - // Generate code for all enums. - void generateEnums(std::string *enum_code_ptr, - std::string *exports_code_ptr) { - for (auto it = parser_.enums_.vec.begin(); it != parser_.enums_.vec.end(); - ++it) { - auto &enum_def = **it; - GenEnum(enum_def, enum_code_ptr, exports_code_ptr); - } - } - - // Generate code for all structs. - void generateStructs(std::string *decl_code_ptr, - std::string *exports_code_ptr) { - for (auto it = parser_.structs_.vec.begin(); - it != parser_.structs_.vec.end(); ++it) { - auto &struct_def = **it; - GenStruct(parser_, struct_def, decl_code_ptr, exports_code_ptr); - } - } }; } // namespace js diff --git a/src/idl_gen_php.cpp b/src/idl_gen_php.cpp index 68ddc8171..af3b06d57 100644 --- a/src/idl_gen_php.cpp +++ b/src/idl_gen_php.cpp @@ -25,35 +25,74 @@ namespace flatbuffers { namespace php { - - static std::string GenGetter(const Type &type); - static std::string GenDefaultValue(const Value &value); - static std::string GenMethod(const FieldDef &field); - static void GenStructBuilder(const StructDef &struct_def, - std::string *code_ptr); - static std::string GenTypeBasic(const Type &type); - static std::string GenTypeGet(const Type &type); - - // Ensure that a type is prefixed with its namespace whenever it is used - // outside of its namespace. - static std::string WrapInNameSpace(const Namespace *ns, - const std::string &name) { - std::string qualified_name = "\\"; - for (auto it = ns->components.begin(); - it != ns->components.end(); ++it) { - qualified_name += *it + "\\"; - } - return qualified_name + name; - } - - static std::string WrapInNameSpace(const Definition &def) { - return WrapInNameSpace(def.defined_namespace, def.name); - } - - // Hardcode spaces per indentation. const std::string Indent = " "; + class PhpGenerator : public BaseGenerator { + public: + PhpGenerator(const Parser &parser, const std::string &path, + const std::string &file_name) + : BaseGenerator(parser, path, file_name, "\\", "\\"){}; + bool generate() { + if (!generateEnums()) return false; + if (!generateStructs()) return false; + return true; + } + private: + bool generateEnums() { + for (auto it = parser_.enums_.vec.begin(); + it != parser_.enums_.vec.end(); ++it) { + auto &enum_def = **it; + std::string enumcode; + GenEnum(enum_def, &enumcode); + if (!SaveType(enum_def, enumcode, false)) return false; + } + return true; + } + + bool generateStructs() { + for (auto it = parser_.structs_.vec.begin(); + it != parser_.structs_.vec.end(); ++it) { + auto &struct_def = **it; + std::string declcode; + GenStruct(struct_def, &declcode); + if (!SaveType(struct_def, declcode, true)) return false; + } + return true; + } + + // Begin by declaring namespace and imports. + void BeginFile(const std::string name_space_name, + const bool needs_imports, std::string *code_ptr) { + std::string &code = *code_ptr; + code += "finish($offset"; - if (parser.file_identifier_.length()) - code += ", \"" + parser.file_identifier_ + "\""; + if (parser_.file_identifier_.length()) + code += ", \"" + parser_.file_identifier_ + "\""; code += ");\n"; code += Indent + "}\n"; } } // Generate a struct field, conditioned on its child type(s). - static void GenStructAccessor(const StructDef &struct_def, - const FieldDef &field, + void GenStructAccessor(const StructDef &struct_def, const FieldDef &field, std::string *code_ptr) { GenComment(field.doc_comment, code_ptr, nullptr); @@ -696,9 +726,7 @@ namespace php { } // Generate table constructors, conditioned on its members' types. - static void GenTableBuilders(const Parser &parser, - const StructDef &struct_def, - std::string *code_ptr) { + void GenTableBuilders(const StructDef &struct_def, std::string *code_ptr) { GetStartOfTable(struct_def, code_ptr); for (auto it = struct_def.fields.vec.begin(); @@ -725,11 +753,11 @@ namespace php { } } - GetEndOffsetOnTable(parser, struct_def, code_ptr); + GetEndOffsetOnTable(struct_def, code_ptr); } // Generate struct or table methods. - static void GenStruct(const Parser &parser, const StructDef &struct_def, + void GenStruct(const StructDef &struct_def, std::string *code_ptr) { if (struct_def.generated) return; @@ -744,13 +772,13 @@ namespace php { std::string &code = *code_ptr; if (!struct_def.fixed) { - if (parser.file_identifier_.length()) { + if (parser_.file_identifier_.length()) { // Return the identifier code += Indent + "public static function " + struct_def.name; code += "Identifier()\n"; code += Indent + "{\n"; code += Indent + Indent + "return \""; - code += parser.file_identifier_ + "\";\n"; + code += parser_.file_identifier_ + "\";\n"; code += Indent + "}\n\n"; // Check if a buffer has the identifier. @@ -763,12 +791,12 @@ namespace php { code += Indent + "}\n\n"; } - if (parser.file_extension_.length()) { + if (parser_.file_extension_.length()) { // Return the extension code += Indent + "public static function " + struct_def.name; code += "Extension()\n"; code += Indent + "{\n"; - code += Indent + Indent + "return \"" + parser.file_extension_; + code += Indent + Indent + "return \"" + parser_.file_extension_; code += "\";\n"; code += Indent + "}\n\n"; } @@ -791,7 +819,7 @@ namespace php { GenStructBuilder(struct_def, code_ptr); } else { // Create a set of functions that allow table construction. - GenTableBuilders(parser, struct_def, code_ptr); + GenTableBuilders(struct_def, code_ptr); } EndClass(code_ptr); } @@ -859,7 +887,7 @@ namespace php { return ctypename[type.base_type]; } - static std::string GenDefaultValue(const Value &value) { + std::string GenDefaultValue(const Value &value) { if (value.type.enum_def) { if (auto val = value.type.enum_def->ReverseLookup( atoi(value.constant.c_str()), false)) { @@ -927,72 +955,7 @@ namespace php { code += Indent + Indent + "return $builder->offset();\n"; code += Indent + "}\n"; } - - class PhpGenerator : public BaseGenerator { - public: - PhpGenerator(const Parser &parser, const std::string &path, - const std::string &file_name) - : BaseGenerator(parser, path, file_name){}; - bool generate() { - if (!generateEnums()) return false; - if (!generateStructs()) return false; - return true; - } - - private: - bool generateEnums() { - for (auto it = parser_.enums_.vec.begin(); - it != parser_.enums_.vec.end(); ++it) { - auto &enum_def = **it; - std::string enumcode; - GenEnum(enum_def, &enumcode); - if (!SaveType(enum_def, enumcode, false)) return false; - } - return true; - } - - bool generateStructs() { - for (auto it = parser_.structs_.vec.begin(); - it != parser_.structs_.vec.end(); ++it) { - auto &struct_def = **it; - std::string declcode; - GenStruct(parser_, struct_def, &declcode); - if (!SaveType(struct_def, declcode, true)) return false; - } - return true; - } - - // Begin by declaring namespace and imports. - void BeginFile(const std::string name_space_name, - const bool needs_imports, std::string *code_ptr) { - std::string &code = *code_ptr; - code += "