// recog null unless ParserRuleContext, in which case we use subclass toString(...)
public virtual string ToString(IRecognizer recog, Antlr4.Runtime.RuleContext stop)
{
string[] ruleNames = recog != null ? recog.RuleNames : null;
IList <string> ruleNamesList = ruleNames != null?Arrays.AsList(ruleNames) : null;
return(ToString(ruleNamesList, stop));
}
public virtual string ToString(IList <string> ruleNames, Antlr4.Runtime.RuleContext
stop)
{
StringBuilder buf = new StringBuilder();
Antlr4.Runtime.RuleContext p = this;
buf.Append("[");
while (p != null && p != stop)
{
if (ruleNames == null)
{
if (!p.IsEmpty())
{
buf.Append(p.invokingState);
}
}
else
{
int ruleIndex = p.GetRuleIndex();
string ruleName = ruleIndex >= 0 && ruleIndex < ruleNames.Count ? ruleNames[ruleIndex
] : ruleIndex.ToString();
buf.Append(ruleName);
}
if (p.parent != null && (ruleNames != null || !p.parent.IsEmpty()))
{
buf.Append(" ");
}
p = p.parent;
}
buf.Append("]");
return(buf.ToString());
}
public override bool Sempred(Antlr4.Runtime.RuleContext _localctx, int ruleIndex, int actionIndex)
{
switch (ruleIndex)
{
case 1: return(expression_sempred((ExpressionContext)_localctx, actionIndex));
}
return(true);
}
public virtual int Depth()
{
int n = 0;
Antlr4.Runtime.RuleContext p = this;
while (p != null)
{
p = p.parent;
n++;
}
return(n);
}
public static Antlr4.Runtime.RuleContext GetChildContext(Antlr4.Runtime.RuleContext
parent, int invokingState)
{
return(new Antlr4.Runtime.RuleContext(parent, invokingState));
}
public RuleContext(Antlr4.Runtime.RuleContext parent, int invokingState)
{
this.parent = parent;
//if ( parent!=null ) System.out.println("invoke "+stateNumber+" from "+parent);
this.invokingState = invokingState;
}
public override bool Precpred(RuleContext localctx, int precedence)
{
return(precedence >= _precedenceStack[_precedenceStack.Count - 1]);
}
public virtual void Action(RuleContext _localctx, int ruleIndex, int actionIndex)
{
}
public virtual bool Precpred(RuleContext localctx, int precedence)
{
return(true);
}
// subclass needs to override these if there are sempreds or actions
// that the ATN interp needs to execute
public virtual bool Sempred(RuleContext _localctx, int ruleIndex, int actionIndex)
{
return(true);
}
public virtual string GetText(RuleContext ctx)
{
return(GetText(ctx.SourceInterval));
}
public RecognitionException(Lexer lexer, ICharStream input)
{
this.recognizer = lexer;
this.input = input;
this.ctx = null;
}