private bool DoParse(bool useParallelTasks = true)
{
// put this in for debugging so we aren't running parallel "tasks"
//sentences.RemoveRange(0, 2);
//sentences.RemoveRange(1, sentences.Count-1);
try
{
if (useParallelTasks)
{
Parallel.For(0, sentences.Count, new ParallelOptions()
{
MaxDegreeOfParallelism = -1
}, i =>
{
var goal1 = new Goal(new Symbol("Sentence"), 0, sentences[i].Count);
var ruleTree = new TFTree <Rule>();
ruleTree.Root =
new TFTreeNode <Rule>(
ruleCollection.Rules.ElementAt(0).Value as Rule);
var ruleRangeStack = new Stack <RuleRange>();
var goalStack = new Stack <Goal>();
var ruleInputMapStack = new Stack <RuleInputMap>();
var parseTreeTopNode =
new TFTreeNode <ParseTreeNodeData>(new ParseTreeNodeData(goal1, null));
var parseTree = new TFTree <ParseTreeNodeData>()
{
Root = parseTreeTopNode,
XSLTFile = @"file:///D:/Temp/XMLPrettyPrint.xsl"
};
if (goal1.NewProcess(sentences[i], 0, goalStack, ruleRangeStack,
ruleInputMapStack, parseTreeTopNode,
ruleTree.Root,
null, ruleCollection))
{
parseTrees[i] = parseTree;
#if DEBUG_PARSER
textBox1.AppendText(
" \n---- rule input map stack ----------------------\n");
foreach (RuleInputMap ruleInputMap in ruleInputMapStack)
{
textBox1.AppendText(ruleInputMap.ToString(sentence) +
Environment.NewLine);
}
textBox1.AppendText(
" \n---- rule range stack ----------------------\n");
foreach (RuleRange ruleRange in ruleRangeStack)
{
textBox1.AppendText(ruleRange.TheRule + " (" +
String.Join(", ",
sentence.GetRange(
ruleRange.InputPos,
ruleRange.Length)) +
")" + Environment.NewLine);
}
textBox1.AppendText(" \n---- goal stack ----------------------\n");
foreach (Goal goal in goalStack)
{
textBox1.AppendText(goal.Symbol.TheSymbol + " (" +
String.Join(", ",
sentence.GetRange(
goal.InputPos, goal.Length)) +
")" +
Environment.NewLine);
}
textBox1.AppendText(" \n--------------------------\n");
long endTime = Stopwatch.GetTimestamp();
//var numNodes = parseTreeTopNode.GetDepthFirstEnumerable(TreeTraversalDirection.TopDown).Count();
//textBox1.AppendText(String.Format("Elapsed Time: {0}ms, # Nodes: {1}", 1000*(endTime-startTime)/Stopwatch.Frequency, numNodes));
//textBox1.Text = topNode.ToString(true);
#endif
}
else
{
DebugAndTraceHelper.WriteTraceLine(String.Format("Could not parse {0}", String.Join(" ", sentences[i].Select(n => n.Lexeme.ToString()))));
DebugAndTraceHelper.WriteTraceLine(String.Format(" {0}", String.Join(" ", sentences[i].Select(n => n.ToString()))));
}
});
}
else // do a serial parsing
{
int sentenceCount = 0;
foreach (List <Token> sentence in sentences)
{
var goal1 = new Goal(new Symbol("Sentence"), 0, sentences[sentenceCount].Count);
var ruleTree = new TFTree <Rule>();
ruleTree.Root =
new TFTreeNode <Rule>(
ruleCollection.Rules.ElementAt(0).Value as Rule);
var ruleRangeStack = new Stack <RuleRange>();
var goalStack = new Stack <Goal>();
var ruleInputMapStack = new Stack <RuleInputMap>();
var parseTreeTopNode =
new TFTreeNode <ParseTreeNodeData>(new ParseTreeNodeData(goal1, null));
var parseTree = new TFTree <ParseTreeNodeData>()
{
Root = parseTreeTopNode,
XSLTFile = @"file:///D:/Temp/XMLPrettyPrint.xsl"
};
if (goal1.NewProcess(sentences[sentenceCount], 0, goalStack, ruleRangeStack,
ruleInputMapStack, parseTreeTopNode,
ruleTree.Root,
null, ruleCollection))
{
parseTrees[sentenceCount] = parseTree;
}
sentenceCount++;
}
}
return(true);
}
catch (Exception)
{
throw;
}
}
