public void ProcessDeclaration(Decl declaration, IPlatform platform, TypeLibraryDeserializer tldser, SymbolTable symbolTable)
{
var types = symbolTable.AddDeclaration(declaration);
var type = types[0];
int?vectorOffset = GetVectorOffset(declaration);
if (vectorOffset.HasValue)
{
var ntde = new NamedDataTypeExtractor(platform, declaration.decl_specs, symbolTable, 4);
foreach (var declarator in declaration.init_declarator_list)
{
var nt = ntde.GetNameAndType(declarator.Declarator);
var ssig = (SerializedSignature?)nt.DataType;
if (ssig != null && ssig.ReturnValue != null)
{
ssig.ReturnValue.Kind = ntde.GetArgumentKindFromAttributes(
"returns", declaration.attribute_list);
}
var sser = new ProcedureSerializer(platform, tldser, platform.DefaultCallingConvention);
var sig = sser.Deserialize(ssig, platform.Architecture.CreateFrame());
SystemServices.Add(
vectorOffset.Value,
new SystemService
{
Name = nt.Name,
SyscallInfo = new SyscallInfo
{
Vector = vectorOffset.Value,
},
Signature = sig,
});
}
}
}
private bool TryParseSignature(string txtSignature, out Core.Serialization.Procedure_v1 sProc)
{
// save the user a keystroke.
txtSignature = txtSignature + ";";
var lexer = new Core.CLanguage.CLexer(new StringReader(txtSignature));
var cstate = new Core.CLanguage.ParserState();
var cParser = new CParser(cstate, lexer);
try
{
var decl = cParser.Parse_Decl();
sProc = null;
if (decl == null)
{
return(false);
}
var syms = new SymbolTable();
syms.AddDeclaration(decl);
if (syms.Procedures.Count != 1)
{
return(false);
}
sProc = (Core.Serialization.Procedure_v1)syms.Procedures[0];
return(true);
}
catch
{
sProc = null;
return(false);
}
}
public void Convert()
{
var lexer = new CLexer(rdr);
var parser = new CParser(parserState, lexer);
var declarations = parser.Parse();
var symbolTable = new SymbolTable(platform)
{
NamedTypes =
{
{ "size_t", new PrimitiveType_v1 {
Domain = Domain.UnsignedInt, ByteSize = 4
} }, //$BUGBUG: arch-dependent!
{ "va_list", new PrimitiveType_v1 {
Domain = Domain.Pointer, ByteSize = platform.PointerType.Size
} }
}
};
foreach (var decl in declarations)
{
symbolTable.AddDeclaration(decl);
}
var lib = new SerializedLibrary
{
Types = symbolTable.Types.ToArray(),
Procedures = symbolTable.Procedures.ToList(),
};
var ser = SerializedLibrary.CreateSerializer();
ser.Serialize(writer, lib);
}
public ProcedureSignature BuildSignature(string str, Frame frame)
{
try {
var lexer = new CLexer(new StringReader(str + ";"));
var cstate = new ParserState();
var cParser = new CParser(cstate, lexer);
var decl = cParser.Parse_ExternalDecl();
var sSig = symbolTable.AddDeclaration(decl)
.OfType <SerializedSignature>()
.FirstOrDefault();
if (sSig == null)
{
return(null);
}
var ser = program.Platform.CreateProcedureSerializer();
return(ser.Deserialize(sSig, frame));
}
catch (Exception ex)
{
Debug.Print("{0}\r\n{1}", ex.Message, ex.StackTrace);
return(null);
}
}
