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Made C# Trace Listener usable

This commit is contained in:
Martin Mirchev 2020-10-08 14:40:03 +02:00
parent 1145107684
commit 0ead01fb97
1 changed files with 8 additions and 6 deletions
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14
runtime/CSharp/runtime/CSharp/Antlr4.Runtime/Parser.cs
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@ -22,20 +22,20 @@ namespace Antlr4.Runtime
#if !PORTABLE
public class TraceListener : IParseTreeListener
{
private readonly TextWriter Output;
public TraceListener(TextWriter output) {
Output = output;
public TraceListener(TextWriter output,Parser enclosing) {
_output = output;
_enclosing = enclosing;
}
public virtual void EnterEveryRule(ParserRuleContext ctx)
{
Output.WriteLine("enter " + this._enclosing.RuleNames[ctx.RuleIndex] + ", LT(1)=" + this._enclosing._input.LT(1).Text);
_output.WriteLine("enter " + this._enclosing.RuleNames[ctx.RuleIndex] + ", LT(1)=" + this._enclosing._input.LT(1).Text);
}
public virtual void ExitEveryRule(ParserRuleContext ctx)
{
Output.WriteLine("exit " + this._enclosing.RuleNames[ctx.RuleIndex] + ", LT(1)=" + this._enclosing._input.LT(1).Text);
_output.WriteLine("exit " + this._enclosing.RuleNames[ctx.RuleIndex] + ", LT(1)=" + this._enclosing._input.LT(1).Text);
}
public virtual void VisitErrorNode(IErrorNode node)
@ -46,15 +46,17 @@ namespace Antlr4.Runtime
{
ParserRuleContext parent = (ParserRuleContext)((IRuleNode)node.Parent).RuleContext;
IToken token = node.Symbol;
Output.WriteLine("consume " + token + " rule " + this._enclosing.RuleNames[parent.RuleIndex]);
_output.WriteLine("consume " + token + " rule " + this._enclosing.RuleNames[parent.RuleIndex]);
}
internal TraceListener(Parser _enclosing)
{
this._enclosing = _enclosing;
_output = Console.Out;
}
private readonly Parser _enclosing;
private readonly TextWriter _output;
}
#endif