public ProcedureBase_v1 ParseFunctionDeclaration(string fnDecl)
{
try {
var lexer = new CLexer(new StringReader(fnDecl + ";"));
var symbols = program.CreateSymbolTable();
var oldProcs = symbols.Procedures.Count;
var cstate = new ParserState(symbols.NamedTypes.Keys);
var cParser = new CParser(cstate, lexer);
var decl = cParser.Parse_ExternalDecl();
if (decl == null)
{
return(null);
}
//$HACK: Relying on a side effect here to
// get both the procedure name and the signature. Ew.
symbols.AddDeclaration(decl);
if (symbols.Procedures.Count == oldProcs)
{
return(null);
}
return(symbols.Procedures.Last());
}
catch (Exception ex)
{
//$TODO: if user has supplied a signature that can't parse,
// we must notify them in the diagnostics window with a
// WARNING.
Debug.Print("{0}\r\n{1}", ex.Message, ex.StackTrace);
return(null);
}
}
public GlobalDataItem_v2?ParseGlobalDeclaration(string txtGlobal)
{
try
{
var lexer = new CLexer(new StringReader(txtGlobal + ";"), CLexer.GccKeywords); //$REVIEW: what's the right thing?
var symbols = program.CreateSymbolTable();
var oldVars = symbols.Variables.Count;
var cstate = new ParserState(symbols);
var cParser = new CParser(cstate, lexer);
var decl = cParser.Parse_ExternalDecl();
if (decl == null)
{
return(null);
}
//$HACK: Relying on a side effect here to
// get both the global type. Ew.
symbols.AddDeclaration(decl);
if (symbols.Variables.Count == oldVars)
{
return(null);
}
return(symbols.Variables.Last());
}
catch (Exception ex)
{
Debug.Print("{0}\r\n{1}", ex.Message, ex.StackTrace);
return(null);
}
}
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);
}
}
public void CParser_Typedef_Ulong()
{
Lex("typedef unsigned long ULONG;");
var decl = parser.Parse_ExternalDecl();
Debug.WriteLine(decl.ToString());
Assert.IsTrue(parser.IsTypeName("ULONG"));
}
