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 GlobalDataItem_v2 ParseGlobalDeclaration(string txtGlobal)
{
try
{
var lexer = new CLexer(new StringReader(txtGlobal + ";"));
var symbols = program.CreateSymbolTable();
var oldVars = symbols.Variables.Count;
var cstate = new ParserState(symbols.NamedTypes.Keys);
var cParser = new CParser(cstate, lexer);
var decl = cParser.Parse_ExternalDecl();
if (decl == null)
return null;
//$HACK: Relying on a side effect here to
// get both the global type. Ew.
symbols.AddDeclaration(decl);
if (symbols.Variables.Count == oldVars)
return null;
return symbols.Variables.Last();
}
catch (Exception ex)
{
Debug.Print("{0}\r\n{1}", ex.Message, ex.StackTrace);
return null;
}
}
public ProcedureBase_v1 ParseFunctionDeclaration(string fnDecl)
{
try {
var lexer = new CLexer(new StringReader(fnDecl + ";"));
var symbols = program.CreateSymbolTable();
var oldProcs = symbols.Procedures.Count;
var cstate = new ParserState(symbols.NamedTypes.Keys);
var cParser = new CParser(cstate, lexer);
var decl = cParser.Parse_ExternalDecl();
if (decl == null)
return null;
//$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;
}
}
