public bool Parse(TextReader reader)
{
//This procedure starts the GOLD Parser Engine and handles each of the
//messages it returns. Each time a reduction is made, you can create new
//custom object and reassign the .CurrentReduction property. Otherwise,
//the system will use the Reduction object that was returned.
//
//The resulting tree will be a pure representation of the language
//and will be ready to implement.
GOLD.ParseMessage response;
bool done; //Controls when we leave the loop
bool accepted = false; //Was the parse successful?
parser.Open(reader);
parser.TrimReductions = false; //Please read about this feature before enabling
done = false;
while (!done)
{
response = parser.Parse();
switch (response)
{
case GOLD.ParseMessage.LexicalError:
//Cannot recognize token
done = true;
break;
case GOLD.ParseMessage.SyntaxError:
//Expecting a different token
done = true;
break;
case GOLD.ParseMessage.Reduction:
//Create a customized object to store the reduction
parser.CurrentReduction = CreateNewObject(parser.CurrentReduction as GOLD.Reduction);
break;
case GOLD.ParseMessage.Accept:
//Accepted!
//program = parser.CurrentReduction //The root node!
done = true;
accepted = true;
break;
case GOLD.ParseMessage.TokenRead:
//You don't have to do anything here.
break;
case GOLD.ParseMessage.InternalError:
//INTERNAL ERROR! Something is horribly wrong.
done = true;
break;
case GOLD.ParseMessage.NotLoadedError:
//This error occurs if the CGT was not loaded.
done = true;
break;
case GOLD.ParseMessage.GroupError:
//GROUP ERROR! Unexpected end of file
done = true;
break;
}
} //while
if (!accepted)
{
Expected = parser.ExpectedSymbols();
}
return(accepted);
}
public LexicalErrorException(GOLD.SymbolList symbolList) : this(string.Format("Se esperaba: {0}", symbolList))
{
// TODO: Complete member initialization
this.symbolList = symbolList;
}
public bool Parse(TextReader reader)
{
//This procedure starts the GOLD Parser Engine and handles each of the
//messages it returns. Each time a reduction is made, you can create new
//custom object and reassign the .CurrentReduction property. Otherwise,
//the system will use the Reduction object that was returned.
//
//The resulting tree will be a pure representation of the language
//and will be ready to implement.
GOLD.ParseMessage response;
bool done; //Controls when we leave the loop
bool accepted = false; //Was the parse successful?
parser.Open(reader);
parser.TrimReductions = false; //Please read about this feature before enabling
done = false;
while (!done)
{
response = parser.Parse();
switch (response)
{
case GOLD.ParseMessage.LexicalError:
//Cannot recognize token
done = true;
break;
case GOLD.ParseMessage.SyntaxError:
//Expecting a different token
done = true;
break;
case GOLD.ParseMessage.Reduction:
//Create a customized object to store the reduction
parser.CurrentReduction = CreateNewObject(parser.CurrentReduction as GOLD.Reduction);
break;
case GOLD.ParseMessage.Accept:
//Accepted!
//program = parser.CurrentReduction //The root node!
done = true;
accepted = true;
break;
case GOLD.ParseMessage.TokenRead:
//You don't have to do anything here.
break;
case GOLD.ParseMessage.InternalError:
//INTERNAL ERROR! Something is horribly wrong.
done = true;
break;
case GOLD.ParseMessage.NotLoadedError:
//This error occurs if the CGT was not loaded.
done = true;
break;
case GOLD.ParseMessage.GroupError:
//GROUP ERROR! Unexpected end of file
done = true;
break;
}
} //while
if (!accepted)
Expected = parser.ExpectedSymbols();
return accepted;
}