syntax tree graph viz improvements

src/samples/ParserExample/ExprLexer.cs

@@ -0,0 +1,21 @@
+using sly.lexer;
+
+namespace ParserExample;
+
+public enum ExprLexer
+{
+    [Double]
+    NUMBER,
+    [Sugar("+")]
+    PLUS,
+    [Sugar("-")]
+    MINUS,
+    [Sugar("*")]
+    TIMES,
+    [Sugar("/")]
+    DIVIDE,
+    [Sugar("(")]
+    LPAREN,
+    [Sugar(")")]
+    RPAREN,
+}

src/samples/ParserExample/ExprParser.cs

@@ -0,0 +1,58 @@
+using sly.lexer;
+using sly.parser.generator;
+
+namespace ParserExample;
+
+[ParserRoot("root")]
+public class ExprParser
+{
+    [Production("root : ExprParser_expressions")]
+    public object root___WhileParser_expressions(object p0)
+    {
+        return default(object);
+    }
+
+    [Infix("PLUS", Associativity.Right, 10)]
+    public object PLUS(object left, Token<ExprLexer> oper, object right)
+    {
+        return left;
+    }
+
+    [Infix("MINUS", Associativity.Left, 10)]
+    public object MINUS(object left, Token<ExprLexer> oper, object right)
+    {
+        return left;
+    }
+
+    [Infix("TIMES", Associativity.Right, 50)]
+    public object TIMES(object left, Token<ExprLexer> oper, object right)
+    {
+        return left;
+    }
+
+    [Infix("DIVIDE", Associativity.Left, 50)]
+    public object DIVIDE(object left, Token<ExprLexer> oper, object right)
+    {
+        return left;
+    }
+
+    [Prefix("MINUS", Associativity.Left, 100)]
+    public object MINUS(Token<ExprLexer> oper, object value)
+    {
+        return value;
+    }
+
+    [Operand]
+    [Production("operand : NUMBER")]
+    public object operand___NUMBER(Token<ExprLexer> p0)
+    {
+        return default(object);
+    }
+
+    [Operand]
+    [Production("operand : LPAREN ExprParser_expressions RPAREN")]
+    public object operand___LPAREN_WhileParser_expressions_RPAREN(Token<ExprLexer> p0, object p1, Token<ExprLexer> p2)
+    {
+        return default(object);
+    }
+}

src/sly/parser/generator/visitor/GraphVizEBNFSyntaxTreeVisitor.cs

@@ -28,15 +28,17 @@ public DotNode VisitTree(ISyntaxNode<IN> root)
             return dot;
         }
 
-        private DotNode Node(string label)
+        private DotNode Node(string label, bool nodeIsByPassNode)
         {
+            var shape = nodeIsByPassNode ? "ellipse" : "mrecord";
+            var style = nodeIsByPassNode ? "dotted" : "solid";
             var node = new DotNode(NodeCounter.ToString())
             {
                 // Set all available properties
-                Shape = "ellipse",
+                Shape = shape,
+                Style = style,
                 Label = label,
                 FontColor = "black",
-                Style = null,
                 Height = 0.5f
             };
             NodeCounter++;
@@ -57,7 +59,7 @@ public DotNode VisitNode(SyntaxNode<IN> node, IList<DotNode> children)
         {
             DotNode result = null;
 
-            result = Node(GetNodeLabel(node));
+            result = Node(GetNodeLabel(node),node.IsByPassNode);
             //children.ForEach(c =>
             foreach (var child in children)
             {
@@ -79,7 +81,7 @@ public DotNode VisitManyNode(ManySyntaxNode<IN> node, IList<DotNode> children)
         {
             DotNode result = null;
 
-            result = Node(GetNodeLabel(node));
+            result = Node(GetNodeLabel(node),node.IsByPassNode);
             Graph.Add(result);
             //children.ForEach(c =>
             foreach (var child in children)

src/sly/sly.csproj

@@ -6,10 +6,10 @@
     <AllowedOutputExtensionsInPackageBuildOutputFolder>$(AllowedOutputExtensionsInPackageBuildOutputFolder);.pdb</AllowedOutputExtensionsInPackageBuildOutputFolder>
     <Description>#LY is a parser generator halfway between parser combinators and parser generator like ANTLR</Description>
     <Authors>b3b00</Authors>
-    <version>3.1.5</version>
+    <version>3.1.6</version>
     <PackageProjectUrl>https://github.com/b3b00/sly</PackageProjectUrl>
     <RepositoryUrl>https://github.com/b3b00/sly</RepositoryUrl>    
-    <PackageVersion>3.1.5</PackageVersion>
+    <PackageVersion>3.1.6</PackageVersion>
     <ApplicationIcon/>
     <OutputType>Library</OutputType>
     <StartupObject/>