private static DiscoveredPeripheral.Register[] TranslateStructureFieldsToRegisters(ParsedStructure obj, ParsedHeaderFile parsedFile)
{
ConstructedRegisterList lst = new ConstructedRegisterList();
RegisterTranslationContext ctx = new RegisterTranslationContext();
lst.TranslateStructureFieldsToRegistersRecursively(obj, parsedFile, ref ctx, "");
return(lst.Complete());
}
public void TranslateStructureFieldsToRegistersRecursively(ParsedStructure obj, ParsedHeaderFile parsedFile, ref RegisterTranslationContext ctx, string prefix)
{
foreach (var field in obj.Entries)
{
var type = field.Type
.Where(t => t.Type == CppTokenizer.TokenType.Identifier)
.Select(t => t.Value)
.Where(t => t != "__IO" && t != "__I" && t != "__IM" && t != "__O" && t != "const")
.ToArray();
bool isReadOnly = field.Type.Count(t => t.Value == "__I" || t.Value == "const") > 0;
if (type.Length > 1)
{
throw new Exception("Could not reduce register type to a single token: " + string.Join("", type));
}
int size;
switch (type[0])
{
case "int32_t":
case "uint32_t":
size = 4;
break;
case "int16_t":
case "uint16_t":
size = 2;
break;
case "int8_t":
case "uint8_t":
size = 1;
break;
case "RSSLIB_S_CloseExitHDP_TypeDef": //Actually a function pointer
size = 4;
break;
default:
for (int i = 0; i < field.ArraySize; i++)
{
string extraPrefix;
if (field.ArraySize == 1)
{
extraPrefix = $"{field.Name}.";
}
else
{
extraPrefix = $"{field.Name}[{i}].";
}
TranslateStructureFieldsToRegistersRecursively(parsedFile.Structures[type[0]], parsedFile, ref ctx, prefix + extraPrefix);
}
continue;
}
if ((ctx.CurrentOffset % size) != 0)
{
ctx.CurrentOffset += (size - (ctx.CurrentOffset % size));
}
for (int i = 0; i < field.ArraySize; i++)
{
string nameSuffix = "";
if (field.ArraySize > 1)
{
nameSuffix = $"[{i}]";
}
if (!field.Name.StartsWith("RESERVED", StringComparison.InvariantCultureIgnoreCase))
{
_Registers.Add(new DiscoveredPeripheral.Register
{
Offset = (uint)ctx.CurrentOffset,
Name = prefix + field.Name + nameSuffix,
SizeInBytes = size,
IsReadOnly = isReadOnly,
OriginalField = field,
ZeroBasedIndex = i,
});
}
ctx.CurrentOffset += size;
}
}
}
