public ExternStatic(TaggedSymbol taggedSymbol, string name, int offset)
{
_taggedSymbol = taggedSymbol;
_name = name;
_offset = offset;
if (taggedSymbol.Type != SymbolType.External && taggedSymbol.Type != SymbolType.Static)
{
throw new ArgumentException($"Symbol type must be {SymbolType.External} or {SymbolType.Static}",
nameof(taggedSymbol));
}
}
public CompoundMember(TypedValue typedValue, BinaryReader reader, bool isArray)
{
MemberType = reader.ReadTaggedSymbol(isArray);
_name = reader.ReadPascalString();
TypedValue = typedValue;
if (MemberType.Type != SymbolType.Bitfield &&
MemberType.Type != SymbolType.StructMember &&
MemberType.Type != SymbolType.UnionMember &&
MemberType.Type != SymbolType.EndOfStruct)
{
throw new Exception($"Unexpected {nameof(SymbolType)} {MemberType.Type}");
}
}
private void AddTypedef(string name, TaggedSymbol taggedSymbol)
{
if (name.IsFake())
{
throw new Exception($"Found fake typedef name {name}");
}
if (taggedSymbol.IsFake && ComplexTypes.ContainsKey(taggedSymbol.Tag))
{
// found a typedef for a fake symbol, e.g. typedef struct .123fake {} FOO
ComplexTypes[taggedSymbol.Tag].Typedefs.Add(name, taggedSymbol);
}
if (_typedefs.TryGetValue(name, out var already))
{
if (taggedSymbol.Equals(already))
{
return;
}
var writer = new IndentedTextWriter(Console.Out);
writer.WriteLine($"WARNING: Non-uniform definitions of typedef {name}");
writer.WriteLine("This is the definition already present:");
writer.Indent++;
writer.WriteLine(already.ToString());
writer.WriteLine(already.AsCode(name));
ComplexTypes[already.Tag].Dump(writer, false);
writer.Indent--;
writer.WriteLine("This is the new definition:");
writer.Indent++;
writer.WriteLine(taggedSymbol.ToString());
writer.WriteLine(taggedSymbol.AsCode(name));
ComplexTypes[taggedSymbol.Tag].Dump(writer, false);
writer.Indent--;
throw new Exception($"Non-uniform definition of typedef {name}");
}
_typedefs.Add(name, taggedSymbol);
}
public string ReverseTypedef(TaggedSymbol taggedSymbol, out int droppedDerived)
{
droppedDerived = 0;
if (!ComplexTypes.TryGetValue(taggedSymbol.Tag, out var complexType))
{
return(null);
}
var typedefs = complexType.Typedefs
.Where(_ => _.Value.Equals(taggedSymbol))
.ToList();
if (typedefs.Count >= 1)
{
return(typedefs[0].Key);
}
/*
* Now the fun part... resolving
* typedef struct .fake123 {} FOO;
* struct .fake123* foo;
* to
* FOO* foo;
*/
for (var i = 0; i <= DerivedTypeDef.MaxDerivedTypes; ++i)
{
droppedDerived = i;
var partialTypedefs = complexType.Typedefs
.Where(_ => _.Value.IsPartOf(taggedSymbol, i))
.ToList();
if (partialTypedefs.Count >= 1)
{
return(partialTypedefs[0].Key);
}
}
droppedDerived = 0;
return(null);
}
public string AsCode(string name, TaggedSymbol taggedSymbol, bool onlyDecorated = false)
{
var dimIdx = 0;
string cType;
if (taggedSymbol.IsResolvedTypedef)
{
cType = taggedSymbol.InnerCode ?? taggedSymbol.Tag;
}
else
{
switch (Type)
{
case PrimitiveType.StructDef:
Debug.Assert(!string.IsNullOrEmpty(taggedSymbol.Tag));
cType = taggedSymbol.InnerCode ?? (taggedSymbol.IsResolvedTypedef
? taggedSymbol.Tag
: $"struct {taggedSymbol.Tag}");
break;
case PrimitiveType.UnionDef:
Debug.Assert(!string.IsNullOrEmpty(taggedSymbol.Tag));
cType = taggedSymbol.InnerCode ?? (taggedSymbol.IsResolvedTypedef
? taggedSymbol.Tag
: $"union {taggedSymbol.Tag}");
break;
case PrimitiveType.EnumDef:
Debug.Assert(!string.IsNullOrEmpty(taggedSymbol.Tag));
cType = taggedSymbol.InnerCode ?? (taggedSymbol.IsResolvedTypedef
? taggedSymbol.Tag
: $"enum {taggedSymbol.Tag}");
break;
case PrimitiveType.Char:
cType = "char";
break;
case PrimitiveType.Short:
cType = "short";
break;
case PrimitiveType.Int:
cType = "int";
break;
case PrimitiveType.Long:
cType = "long";
break;
case PrimitiveType.Float:
cType = "float";
break;
case PrimitiveType.Double:
cType = "double";
break;
case PrimitiveType.UChar:
cType = "unsigned char";
break;
case PrimitiveType.UShort:
cType = "unsigned short";
break;
case PrimitiveType.UInt:
cType = "unsigned int";
break;
case PrimitiveType.ULong:
cType = "unsigned long";
break;
case PrimitiveType.Void:
cType = "void";
break;
case PrimitiveType.Null:
cType = "__NULL__";
logger.Warn($"Found Null primitive type for symbol {name}");
break;
default:
throw new Exception($"Unexpected base type {Type}");
}
}
var prevPrecedence = int.MaxValue;
var decorated = name;
foreach (var derivedType in _derivedTypes)
{
switch (derivedType)
{
case DerivedType.Array:
Debug.Assert(decorated != null);
if (prevPrecedence < 2)
{
decorated = $"({decorated})";
}
decorated += $"[{taggedSymbol.Extents[dimIdx]}]";
++dimIdx;
prevPrecedence = 2;
break;
case DerivedType.FunctionReturnType:
if (prevPrecedence < 2)
{
decorated = $"({decorated})";
}
decorated += "()";
prevPrecedence = 2;
break;
case DerivedType.Pointer:
if (prevPrecedence < 2)
{
decorated = $"({decorated})";
}
decorated = $"*{decorated}";
prevPrecedence = 3;
break;
default:
throw new Exception($"Unexpected derived type {derivedType}");
}
}
return(onlyDecorated ? decorated : $"{cType} {decorated}");
}
