static String typeString(const CXType &type)
{
const char *builtIn = builtinTypeName(type.kind);
if (builtIn)
return builtIn;
if (char pointer = (type.kind == CXType_Pointer ? '*' : (type.kind == CXType_LValueReference ? '&' : 0))) {
const CXType pointee = clang_getPointeeType(type);
String ret = typeString(pointee);
if (ret.endsWith('*') || ret.endsWith('&')) {
ret += pointer;
} else {
ret += ' ';
ret += pointer;
}
return ret;
}
if (type.kind == CXType_ConstantArray) {
String arrayType = typeString(clang_getArrayElementType(type));
const long long count = clang_getNumElements(type);
arrayType += '[';
if (count >= 0)
arrayType += String::number(count);
arrayType += ']';
return arrayType;
}
String ret = IndexerJob::typeName(clang_getTypeDeclaration(type));
if (ret.endsWith(' '))
ret.chop(1);
return ret;
}
cursor::type cursor::type::pointee_type()
{
return { clang_getPointeeType(ctype) };
}
json_t* render_type(CXType type) {
int i;
CXCursor decl = clang_getTypeDeclaration(type);
json_t* js = json_object();
enum CXTypeKind kind = type.kind;
if (type.kind == CXType_Unexposed) {
// workaround for libclang bug
if (clang_getResultType(type).kind != CXType_Invalid) {
kind = CXType_FunctionProto;
}
}
if (clang_isVolatileQualifiedType(type)) {
json_object_set_new(js, "volatile", json_true());
}
if (clang_isConstQualifiedType(type)) {
json_object_set_new(js, "const", json_true());
}
if (clang_isRestrictQualifiedType(type)) {
json_object_set_new(js, "restrict", json_true());
}
static const struct {
enum CXTypeKind kind;
const char* name;
} PRIMITIVE_TYPES[] = {
{CXType_Void, "void"},
{CXType_Bool, "bool"},
{CXType_Char_U, "char"},
{CXType_Char_S, "char"},
{CXType_UChar, "unsigned char"},
{CXType_SChar, "signed char"},
{CXType_WChar, "wchar_t"},
{CXType_Char16, "char16_t"},
{CXType_Char32, "char32_t"},
{CXType_Short, "short"},
{CXType_UShort, "unsigned short"},
{CXType_Int, "int"},
{CXType_UInt, "unsigned int"},
{CXType_Long, "long"},
{CXType_ULong, "unsigned long"},
{CXType_LongLong, "unsigned long"},
{CXType_ULongLong, "unsigned long long"},
{CXType_Int128, "__int128"},
{CXType_UInt128, "unsigned __int128"},
{CXType_Float, "float"},
{CXType_Double, "double"},
{CXType_LongDouble, "long double"}
};
switch (kind) {
case CXType_Pointer:
json_object_set_new(js, "kind", json_string("pointer"));
json_object_set_new(js, "pointee", render_type(clang_getPointeeType(type)));
return js;
case CXType_ConstantArray:
json_object_set_new(js, "kind", json_string("array"));
json_object_set_new(js, "element", render_type(clang_getArrayElementType(type)));
json_object_set_new(js, "length", json_integer(clang_getArraySize(type)));
return js;
case CXType_FunctionNoProto:
case CXType_FunctionProto:
json_object_set_new(js, "kind", json_string("function"));
json_object_set_new(js, "return", render_type(clang_getResultType(type)));
switch (clang_getFunctionTypeCallingConv(type)) {
case CXCallingConv_C:
json_object_set_new(js, "calling_convention", json_string("cdecl"));
break;
case CXCallingConv_X86StdCall:
json_object_set_new(js, "calling_convention", json_string("stdcall"));
break;
case CXCallingConv_X86FastCall:
json_object_set_new(js, "calling_convention", json_string("fastcall"));
break;
case CXCallingConv_X86ThisCall:
json_object_set_new(js, "calling_convention", json_string("thiscall"));
break;
case CXCallingConv_X86Pascal:
json_object_set_new(js, "calling_convention", json_string("pascal"));
break;
case CXCallingConv_AAPCS:
json_object_set_new(js, "calling_convention", json_string("aapcs"));
break;
case CXCallingConv_AAPCS_VFP:
json_object_set_new(js, "calling_convention", json_string("aapcs-vfp"));
break;
default:
break;
}
json_t* arguments = json_array();
for (i=0; i<clang_getNumArgTypes(type); i++) {
json_array_append_new(arguments, render_type(clang_getArgType(type, i)));
}
json_object_set_new(js, "arguments", arguments);
return js;
default:
if (clang_getCursorKind(decl) != CXCursor_NoDeclFound) {
json_object_set_new(js, "kind", json_string("ref"));
json_object_set_new(js, "id", render_string(clang_getCursorUSR(decl)));
} else {
int found = 0, i;
for (i=0; i<sizeof(PRIMITIVE_TYPES)/sizeof(PRIMITIVE_TYPES[0]); i++) {
if (PRIMITIVE_TYPES[i].kind == kind) {
json_object_set_new(js, "kind", json_string("primitive"));
json_object_set_new(js, "primitive", json_string(PRIMITIVE_TYPES[i].name));
found = 1;
break;
}
}
if (!found) {
json_object_set_new(js, "kind", json_string("unknown"));
json_object_set_new(js, "clang_kind", render_string(clang_getTypeKindSpelling(kind)));
}
}
return js;
}
}
std::string Generator::stringize(const CXType &type, const std::string &varName, bool makeConstReference) const
{
std::string result;
if (makeConstReference) {
switch (type.kind) {
case CXType_LValueReference:
case CXType_RValueReference:
case CXType_Pointer:
case CXType_Enum:
case CXType_Bool:
case CXType_Char_S:
case CXType_Char_U:
case CXType_Char16:
case CXType_Int:
case CXType_Long:
case CXType_LongLong:
case CXType_Float:
case CXType_Double:
case CXType_LongDouble:
makeConstReference = false;
break;
default:
break;
}
}
if (makeConstReference || clang_isConstQualifiedType(type))
result += "const ";
switch (type.kind) {
case CXType_Void:
result += "void";
if (!varName.empty())
result += ' ';
break;
case CXType_Bool:
result += "bool";
if (!varName.empty())
result += ' ';
break;
case CXType_Int:
result += "int";
if (!varName.empty())
result += ' ';
break;
case CXType_Float:
result += "float";
if (!varName.empty())
result += ' ';
break;
case CXType_Double:
result += "double";
if (!varName.empty())
result += ' ';
break;
case CXType_Pointer: {
CXType pointee = clang_getPointeeType(type);
result += stringize(pointee);
result += " *";
}
break;
case CXType_LValueReference: {
CXType pointee = clang_getPointeeType(type);
result += stringize(pointee);
}
break;
case CXType_Record:
case CXType_Enum: {
result += stringize(clang_getTypeDeclaration(type));
if (!varName.empty())
result += ' ';
}
break;
case CXType_Unexposed:
result += stringize(clang_getCursorDisplayName(clang_getTypeDeclaration(type)));
if (!varName.empty())
result += ' ';
break;
case CXType_Overload:
result += "<CXType_Overload>";
reportWarning("stringize: CXType_Overload not handled: " + stringize(clang_getCursorDisplayName(clang_getTypeDeclaration(type))));
break;
case CXType_Dependent:
result += "<CXType_Dependent>";
reportWarning("stringize: CXType_Dependent not handled: " + stringize(clang_getCursorDisplayName(clang_getTypeDeclaration(type))));
break;
case CXType_Invalid:
result += "<CXType_Invalid>";
reportWarning("stringize: CXType_Invalid not handled: " + stringize(clang_getCursorDisplayName(clang_getTypeDeclaration(type))));
break;
default:
result += "<other CXTypeKind>";
reportWarning("stringize: such CXTypeKind not handled: " + stringize(clang_getCursorDisplayName(clang_getTypeDeclaration(type))));
break;
}
if (makeConstReference) {
result += "&";
}
result += varName;
return result;
}
Type Type::pointeeType() const
{
return clang_getPointeeType(m_cxType);
}