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removed lang signature method

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This commit is contained in:
lakedaemon
2016-06-14 17:13:58 +02:00
parent f0695e0edf
commit 4a249752ff
1 changed files with 197 additions and 206 deletions
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403
src/idl_gen_general.cpp
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@@ -193,21 +193,21 @@ class GeneralGenerator : public BaseGenerator {
public:
GeneralGenerator(const Parser &parser, const std::string &path,
const std::string &file_name)
: BaseGenerator(parser, path, file_name){};
: BaseGenerator(parser, path, file_name){
assert(parser_.opts.lang <= IDLOptions::kMAX);
};
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, enum_def, &enumcode);
GenEnum(enum_def, &enumcode);
if (parser_.opts.one_file) {
one_file_code += enumcode;
} else {
if (!SaveType(lang, enum_def.name, *enum_def.defined_namespace,
if (!SaveType(enum_def.name, *enum_def.defined_namespace,
enumcode, false)) return false;
}
}
@@ -216,17 +216,17 @@ class GeneralGenerator : public BaseGenerator {
it != parser_.structs_.vec.end(); ++it) {
std::string declcode;
auto &struct_def = **it;
GenStruct(lang, struct_def, &declcode);
GenStruct(struct_def, &declcode);
if (parser_.opts.one_file) {
one_file_code += declcode;
} else {
if (!SaveType(lang, struct_def.name, *struct_def.defined_namespace,
if (!SaveType(struct_def.name, *struct_def.defined_namespace,
declcode, true)) return false;
}
}
if (parser_.opts.one_file) {
return SaveType(lang, file_name_, *parser_.namespaces_.back(),
return SaveType(file_name_, *parser_.namespaces_.back(),
one_file_code, true);
}
return true;
@@ -234,29 +234,28 @@ class GeneralGenerator : public BaseGenerator {
// 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) {
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 += lang_.namespace_ident + namespace_name + lang_.namespace_begin;
code += "\n\n";
}
if (needs_includes) code += lang.includes;
if (needs_includes) code += lang_.includes;
code += classcode;
if (!namespace_name.empty()) code += lang.namespace_end;
auto filename = NamespaceDir(ns) + defname + lang.file_extension;
if (!namespace_name.empty()) code += lang_.namespace_end;
auto filename = NamespaceDir(ns) + defname + lang_.file_extension;
return SaveFile(filename.c_str(), code, false);
}
static std::string FunctionStart(const LanguageParameters &lang, char upper) {
std::string FunctionStart(char upper) {
return std::string() +
(lang.language == IDLOptions::kJava
(lang_.language == IDLOptions::kJava
? static_cast<char>(tolower(upper))
: upper);
}
@@ -284,8 +283,7 @@ std::string WrapInNameSpace(const Definition &def) {
return WrapInNameSpace(def.defined_namespace, def.name);
}
std::string GenTypeBasic(const LanguageParameters &lang, 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,
@@ -294,7 +292,7 @@ std::string GenTypeBasic(const LanguageParameters &lang, const Type &type,
};
if (enableLangOverrides) {
if (lang.language == IDLOptions::kCSharp) {
if (lang_.language == IDLOptions::kCSharp) {
if (IsEnum(type)) return WrapInNameSpace(*type.enum_def);
if (type.base_type == BASE_TYPE_STRUCT) {
return "Offset<" + WrapInNameSpace(*type.struct_def) + ">";
@@ -302,41 +300,40 @@ std::string GenTypeBasic(const LanguageParameters &lang, const Type &type,
}
}
return gtypename[type.base_type * IDLOptions::kMAX + lang.language];
return gtypename[type.base_type * IDLOptions::kMAX + lang_.language];
}
std::string GenTypeBasic(const LanguageParameters &lang, const Type &type) {
return GenTypeBasic(lang, type, true);
std::string GenTypeBasic(const Type &type) {
return GenTypeBasic(type, true);
}
std::string GenTypePointer(const LanguageParameters &lang, 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, type.VectorType());
return GenTypeGet(type.VectorType());
case BASE_TYPE_STRUCT:
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";
}
}
std::string GenTypeGet(const LanguageParameters &lang, const Type &type) {
std::string GenTypeGet(const Type &type) {
return IsScalar(type.base_type)
? GenTypeBasic(lang, type)
: GenTypePointer(lang, 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).
Type DestinationType(const LanguageParameters &lang, 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.
@@ -345,32 +342,31 @@ Type DestinationType(const LanguageParameters &lang, const Type &type,
case BASE_TYPE_UINT: return Type(BASE_TYPE_LONG);
case BASE_TYPE_VECTOR:
if (vectorelem)
return DestinationType(lang, type.VectorType(), vectorelem);
return DestinationType(type.VectorType(), vectorelem);
// else fall thru:
default: return type;
}
}
std::string GenOffsetType(const LanguageParameters &lang, const StructDef &struct_def) {
if(lang.language == IDLOptions::kCSharp) {
std::string GenOffsetType(const StructDef &struct_def) {
if(lang_.language == IDLOptions::kCSharp) {
return "Offset<" + WrapInNameSpace(struct_def) + ">";
} else {
return "int";
}
}
std::string GenOffsetConstruct(const LanguageParameters &lang,
const StructDef &struct_def,
std::string GenOffsetConstruct(const StructDef &struct_def,
const std::string &variable_name)
{
if(lang.language == IDLOptions::kCSharp) {
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";
@@ -378,34 +374,32 @@ static std::string GenVectorOffsetType(const LanguageParameters &lang) {
}
// Generate destination type name
std::string GenTypeNameDest(const LanguageParameters &lang, const Type &type)
std::string GenTypeNameDest(const Type &type)
{
return GenTypeGet(lang, DestinationType(lang, 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
std::string DestinationCast(const LanguageParameters &lang,
const Type &type) {
std::string DestinationCast(const Type &type) {
if (type.base_type == BASE_TYPE_VECTOR) {
return DestinationCast(lang, 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)";
@@ -427,12 +421,11 @@ std::string DestinationCast(const LanguageParameters &lang,
// 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.
std::string SourceCast(const LanguageParameters &lang, const Type &type,
bool castFromDest) {
std::string SourceCast(const Type &type, bool castFromDest) {
if (type.base_type == BASE_TYPE_VECTOR) {
return SourceCast(lang, 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)";
@@ -441,7 +434,7 @@ std::string SourceCast(const LanguageParameters &lang, const Type &type,
}
break;
case IDLOptions::kCSharp:
if (IsEnum(type)) return "(" + GenTypeBasic(lang, type, false) + ")";
if (IsEnum(type)) return "(" + GenTypeBasic(type, false) + ")";
break;
default:
break;
@@ -450,17 +443,16 @@ std::string SourceCast(const LanguageParameters &lang, const Type &type,
return "";
}
std::string SourceCast(const LanguageParameters &lang, const Type &type) {
return SourceCast(lang, type, true);
std::string SourceCast(const Type &type) {
return SourceCast(type, true);
}
std::string SourceCastBasic(const LanguageParameters &lang, const Type &type,
bool castFromDest) {
return IsScalar(type.base_type) ? SourceCast(lang, type, castFromDest) : "";
std::string SourceCastBasic(const Type &type, bool castFromDest) {
return IsScalar(type.base_type) ? SourceCast(type, castFromDest) : "";
}
std::string SourceCastBasic(const LanguageParameters &lang, const Type &type) {
return SourceCastBasic(lang, type, true);
std::string SourceCastBasic(const Type &type) {
return SourceCastBasic(type, true);
}
@@ -481,10 +473,10 @@ std::string GenEnumDefaultValue(const Value &value) {
return result;
}
std::string GenDefaultValue(const LanguageParameters &lang, 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(value);
@@ -497,14 +489,14 @@ std::string GenDefaultValue(const LanguageParameters &lang, const Value &value,
}
}
std::string GenDefaultValue(const LanguageParameters &lang, const Value &value) {
return GenDefaultValue(lang, value, true);
std::string GenDefaultValue(const Value &value) {
return GenDefaultValue(value, true);
}
std::string GenDefaultValueBasic(const LanguageParameters &lang, 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)";
@@ -519,14 +511,14 @@ std::string GenDefaultValueBasic(const LanguageParameters &lang, const Value &va
}
return "0";
}
return GenDefaultValue(lang, value, enableLangOverrides);
return GenDefaultValue(value, enableLangOverrides);
}
std::string GenDefaultValueBasic(const LanguageParameters &lang, const Value &value) {
return GenDefaultValueBasic(lang, value, true);
std::string GenDefaultValueBasic(const Value &value) {
return GenDefaultValueBasic(value, true);
}
void GenEnum(const LanguageParameters &lang, 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;
@@ -535,33 +527,33 @@ void GenEnum(const LanguageParameters &lang, EnumDef &enum_def, std::string *cod
// 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, 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, 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.
@@ -572,8 +564,8 @@ void GenEnum(const LanguageParameters &lang, EnumDef &enum_def, std::string *cod
static const int kMaxSparseness = 5;
if (range / static_cast<int64_t>(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();
@@ -584,8 +576,8 @@ void GenEnum(const LanguageParameters &lang, EnumDef &enum_def, std::string *cod
}
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;
@@ -598,18 +590,18 @@ void GenEnum(const LanguageParameters &lang, EnumDef &enum_def, std::string *cod
}
// Returns the function name that is able to read a value of the given type.
std::string GenGetter(const LanguageParameters &lang, 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, 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, type, false) != "byte") {
getter += MakeCamel(GenTypeBasic(lang, type, false));
} else if (GenTypeBasic(type, false) != "byte") {
getter += MakeCamel(GenTypeBasic(type, false));
}
return getter;
}
@@ -618,12 +610,12 @@ std::string GenGetter(const LanguageParameters &lang, const Type &type) {
// Direct mutation is only allowed for scalar fields.
// Hence a setter method will only be generated for such fields.
std::string GenSetter(const LanguageParameters &lang, 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, 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, type, false));
setter += MakeCamel(GenTypeBasic(type, false));
}
return setter;
} else {
@@ -632,16 +624,15 @@ std::string GenSetter(const LanguageParameters &lang, const Type &type) {
}
// Returns the method name for use with add/put calls.
std::string GenMethod(const LanguageParameters &lang, const Type &type) {
std::string GenMethod(const Type &type) {
return IsScalar(type.base_type)
? MakeCamel(GenTypeBasic(lang, type, false))
? MakeCamel(GenTypeBasic(type, false))
: (IsStruct(type) ? "Struct" : "Offset");
}
// Recursively generate arguments for a constructor, to deal with nested
// structs.
void GenStructArgs(const LanguageParameters &lang, 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();
@@ -651,14 +642,14 @@ void GenStructArgs(const LanguageParameters &lang, const StructDef &struct_def,
// 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, *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, DestinationType(lang, 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);
}
}
}
@@ -666,34 +657,33 @@ void GenStructArgs(const LanguageParameters &lang, const StructDef &struct_def,
// Recusively generate struct construction statements of the form:
// builder.putType(name);
// and insert manual padding.
void GenStructBody(const LanguageParameters &lang, 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, *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, field.value.type) + "(";
code += SourceCast(lang, 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";
}
}
}
void GenStruct(const LanguageParameters &lang, 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;
@@ -703,23 +693,23 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
// 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
@@ -728,18 +718,18 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
// 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()) {
// 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 += "\"); }\n";
@@ -756,14 +746,14 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
++it) {
auto &field = **it;
if (field.deprecated) continue;
GenComment(field.doc_comment, code_ptr, &lang.comment_config, " ");
std::string type_name = GenTypeGet(lang, field.value.type);
std::string type_name_dest = GenTypeNameDest(lang, field.value.type);
std::string dest_mask = DestinationMask(lang, field.value.type, true);
std::string dest_cast = DestinationCast(lang, field.value.type);
std::string src_cast = SourceCast(lang, 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:
@@ -773,16 +763,16 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
// 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";
}
@@ -790,32 +780,32 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
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) + "<TTable>";
method_start = " public " + type_name_dest + " Get" + MakeCamel(field.name, lang_.first_camel_upper) + "<TTable>";
offset_prefix = " where TTable : Table" + offset_prefix;
type_name = type_name_dest;
}
}
std::string getter = dest_cast + GenGetter(lang, 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()
@@ -827,8 +817,8 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
}
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) + ")";
@@ -836,7 +826,7 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
} else {
code += offset_prefix + getter;
code += "(o + bb_pos)" + dest_mask + " : " + default_cast;
code += GenDefaultValue(lang, field.value);
code += GenDefaultValue(field.value);
}
} else {
switch (field.value.type.base_type) {
@@ -856,8 +846,8 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
}
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: {
@@ -896,22 +886,22 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
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 :
@@ -920,7 +910,7 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
break;
case IDLOptions::kCSharp:
code += " public ArraySegment<byte>? 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";
@@ -936,10 +926,10 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
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)
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 + " ";
@@ -957,10 +947,10 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
: 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, 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))
@@ -969,15 +959,15 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
(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, 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, underlying_type);
code += " if (o != 0) { " + GenSetter(underlying_type);
code += "(" + setter_index + ", " + src_cast + setter_parameter + "); return true; } else { return false; } }\n";
}
}
@@ -986,14 +976,14 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
code += "\n";
if (struct_def.fixed) {
// create a struct constructor function
code += " public static " + GenOffsetType(lang, 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, struct_def, code_ptr, "");
GenStructArgs(struct_def, code_ptr, "");
code += ") {\n";
GenStructBody(lang, struct_def, code_ptr, "");
GenStructBody(struct_def, code_ptr, "");
code += " return ";
code += GenOffsetConstruct(lang, 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
@@ -1014,28 +1004,28 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
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, 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, DestinationType(lang, 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, 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;
@@ -1047,7 +1037,7 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
(!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";
@@ -1055,7 +1045,7 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
}
}
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,
@@ -1063,30 +1053,30 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
// 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, DestinationType(lang, 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, 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, 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, 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();
@@ -1094,58 +1084,58 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
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, 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, vector_type);
code += FunctionStart('L') + "ength - 1; i >= 0; i--) builder.";
code += FunctionStart('A') + "dd";
code += GenMethod(vector_type);
code += "(";
code += SourceCastBasic(lang, 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, 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, struct_def, "o") + ";\n }\n";
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, 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";
}
@@ -1156,6 +1146,7 @@ void GenStruct(const LanguageParameters &lang, StructDef &struct_def, std::strin
}
code += "};\n\n";
}
const LanguageParameters & lang_ = language_parameters[parser_.opts.lang];
};
} // namespace general