std::string libclang_vim::stringize_extra_type_info(CXType const& type) {
std::string result;
if (clang_isConstQualifiedType(type)) {
result += "'is_const_qualified':1,";
}
if (clang_isVolatileQualifiedType(type)) {
result += "'is_volatile_qualified':1,";
}
if (clang_isRestrictQualifiedType(type)) {
result += "'is_restrict_qualified':1,";
}
if (clang_isPODType(type)) {
result += "'is_POD_type':1,";
}
auto const ref_qualified = clang_Type_getCXXRefQualifier(type);
switch (ref_qualified) {
case CXRefQualifier_LValue:
result += "'is_lvalue':1,";
break;
case CXRefQualifier_RValue:
result += "'is_rvalue':1,";
break;
case CXRefQualifier_None:
break;
}
// Note: The information about calling convention is really needed?
// If you want the information, please let me know that.
//
// auto const calling_convention = clang_getFunctionTypeCallingConv(type);
// switch (calling_convention) {
// ...
return result;
}
bool cursor::type::volatile_qualified()
{
return clang_isVolatileQualifiedType(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;
}
}
