llvm-project/libc/spec/spec.td

101 lines
2.5 KiB
TableGen

class Type {}
class NamedType<string name> : Type {
string Name = name;
}
class Field<string name, Type type> {
string Name = name;
Type FieldType = type;
}
// Class to describe concrete structs specified by a standard.
class Struct<string name> : NamedType<name> {
list<Field> Fields;
}
class EnumNameValue<string name, string value = "__default_enum_value__"> {
string Name = name;
string Value = value;
}
class Enum<string name, list<EnumNameValue> enumerations> : NamedType<name> {
list<EnumNameValue> Enumerations = enumerations;
}
class PtrType<Type type> : Type {
Type PointeeType = type;
}
class ConstType<Type type> : Type {
Type UnqualifiedType = type;
}
class RestrictedPtrType<Type type> : Type {
Type PointeeType = type;
}
// Builtin types.
def VarArgType : Type {}
def VoidType : NamedType<"void">;
def IntType : NamedType<"int">;
def FloatType : NamedType<"float">;
def DoubleType : NamedType<"double">;
def LongDoubleType : NamedType<"long double">;
def CharType : NamedType<"char">;
// Common types
def VoidPtr : PtrType<VoidType>;
def ConstVoidPtr : ConstType<VoidPtr>;
def SizeTType : NamedType<"size_t">;
def FloatPtr : PtrType<FloatType>;
def LongDoublePtr : PtrType<LongDoubleType>;
// _Noreturn is really not a type, but it is convenient to treat it as a type.
def NoReturn : NamedType<"_Noreturn void">;
class Macro<string name> {
string Name = name;
}
class EnumeratedNameValue<string name, string value = "__default__"> {
string Name = name;
string Value = value;
}
class Annotation {}
class RetValSpec<Type type, list<Annotation> annotations = []> {
Type ReturnType = type;
list<Annotation> Annotations = annotations;
}
class ArgSpec<Type type, list<Annotation> annotations = [], string name = ""> {
Type ArgType = type;
list<Annotation> Annotations = annotations;
string Name = name;
}
class FunctionSpec<string name, RetValSpec return, list<ArgSpec> args> {
string Name = name;
RetValSpec Return = return;
list<ArgSpec> Args = args;
}
class HeaderSpec<string name,
list<Macro> macros = [],
list<Type> types = [],
list<EnumeratedNameValue> enumerations = [],
list<FunctionSpec> functions = []> {
string Name = name;
list<FunctionSpec> Functions = functions;
list<Type> Types = types;
list<Macro> Macros = macros;
list<EnumeratedNameValue> Enumerations = enumerations;
}
class StandardSpec<string name> {
string Name = name;
list<HeaderSpec> Headers;
}