public static void TestScript()
{
var parserInstance = new ScriptParser();
var builder = new ParserBuilder <ScriptToken, object>();
var parserBuild = builder.BuildParser(parserInstance, ParserType.EBNF_LL_RECURSIVE_DESCENT, "test");
if (parserBuild.IsOk)
{
var parser = parserBuild.Result;
string ko1 = "|B|test2(a, b, c=100)|E|";
string ko2 = "|B|plotshape(data, style=shapexcross)|E|";
var r = parser.Parse(ko1);
var graphviz = new GraphVizEBNFSyntaxTreeVisitor <ScriptToken>();
var root = graphviz.VisitTree(r.SyntaxTree);
var graph = graphviz.Graph.Compile();
r = parser.Parse(ko2);
}
else
{
foreach (var e in parserBuild.Errors)
{
Console.WriteLine(e.Level + " - " + e.Message);
}
}
}
private static Expression Parse(string query)
{
var parserInstance = new EarlyEosParser();
var builder = new ParserBuilder <EarlyEosToken, Expression>();
var buildResult =
builder.BuildParser(parserInstance, ParserType.EBNF_LL_RECURSIVE_DESCENT, "expression");
if (buildResult.IsError)
{
throw new AggregateException(
buildResult.Errors
.Select(e => new Exception($"{e.Level} {e.Code} {e.Message}"))
);
}
var parser = buildResult.Result;
var queryExpression = parser.Parse(query.Trim());
var graphviz = new GraphVizEBNFSyntaxTreeVisitor <EarlyEosToken>();
var root = graphviz.VisitTree(queryExpression.SyntaxTree);
string graph = graphviz.Graph.Compile();
;
if (queryExpression.IsError)
{
throw new AggregateException(
queryExpression.Errors
.Select(e => new Exception(e.ErrorMessage))
);
}
return(queryExpression.Result);
}
public void SyntaxTreeGraphVizTest()
{
var StartingRule = $"{typeof(SimpleExpressionParser).Name}_expressions";
var parserInstance = new SimpleExpressionParser();
var builder = new ParserBuilder <ExpressionToken, int>();
var Parser = builder.BuildParser(parserInstance, ParserType.LL_RECURSIVE_DESCENT, StartingRule);
var result = Parser.Result.Parse("1+1");
var tree = result.SyntaxTree;
var graphviz = new GraphVizEBNFSyntaxTreeVisitor <ExpressionToken>();
var root = graphviz.VisitTree(tree);
string graph = graphviz.Graph.Compile();
}
private static void TestGraphViz()
{
var StartingRule = $"{typeof(SimpleExpressionParser).Name}_expressions";
var parserInstance = new SimpleExpressionParser();
var builder = new ParserBuilder <ExpressionToken, int>();
var parser = builder.BuildParser(parserInstance, ParserType.LL_RECURSIVE_DESCENT, StartingRule);
var result = parser.Result.Parse("2 + 2 * 3");
var tree = result.SyntaxTree;
var graphviz = new GraphVizEBNFSyntaxTreeVisitor <ExpressionToken>();
var root = graphviz.VisitTree(tree);
string graph = graphviz.Graph.Compile();
File.Delete("c:\\temp\\tree.dot");
File.AppendAllText("c:\\temp\\tree.dot", graph);
}
public static void TestScriptRight()
{
var parserInstance = new ScriptParserRight();
var builder = new ParserBuilder <ScriptToken, object>();
var parserBuild = builder.BuildParser(parserInstance, ParserType.EBNF_LL_RECURSIVE_DESCENT, "test");
if (parserBuild.IsOk)
{
var parser = parserBuild.Result;
string ok1 = @"|B|study(""Name or something"", overlay)|E|";
string ok2 = "|B|test(close, 123, open)|E|";
string kw = "|B|test(kw=123)|E|";
string ko1 = "|B|test2(a, b, c=100, d=200)|E|";
string ko2 = "|B|plotshape(data, style=shapexcross)|E|";
string ko3 = "|B|plotshape(data = default, style=shapexcross)|E|";
string badmixko = "|B|plotshape(data = default, t, y=20)|E|";
// var r = parser.Parse(ok1);
// r = parser.Parse(ok2);
// r = parser.Parse(kw);
var r = parser.Parse("a, b, c=100, d= 200", "fun_actual_args");
var graphviz = new GraphVizEBNFSyntaxTreeVisitor <ScriptToken>();
var root1 = graphviz.VisitTree(r.SyntaxTree);
var graph1 = graphviz.Graph.Compile();
r = parser.Parse(ko1);
graphviz = new GraphVizEBNFSyntaxTreeVisitor <ScriptToken>();
var root = graphviz.VisitTree(r.SyntaxTree);
var graph = graphviz.Graph.Compile();
r = parser.Parse(ko3);
graphviz = new GraphVizEBNFSyntaxTreeVisitor <ScriptToken>();
root = graphviz.VisitTree(r.SyntaxTree);
graph = graphviz.Graph.Compile();
r = parser.Parse(badmixko);
graphviz = new GraphVizEBNFSyntaxTreeVisitor <ScriptToken>();
root = graphviz.VisitTree(r.SyntaxTree);
graph = graphviz.Graph.Compile();
}
else
{
foreach (var e in parserBuild.Errors)
{
Console.WriteLine(e.Level + " - " + e.Message);
}
}
}
