public void StripSynPred(GrammarAST altAST)
{
GrammarAST t = (GrammarAST)altAST.GetChild(0);
if (t.Type == ANTLRParser.BACKTRACK_SEMPRED ||
t.Type == ANTLRParser.SYNPRED ||
t.Type == ANTLRParser.SYN_SEMPRED)
{
altAST.DeleteChild(0);
}
}
public void StripLeftRecursion(GrammarAST altAST)
{
GrammarAST rref = (GrammarAST)altAST.GetChild(0);
if (rref.Type == ANTLRParser.RULE_REF && rref.Text.Equals(ruleName))
{
// remove rule ref
altAST.DeleteChild(0);
// reset index so it prints properly
GrammarAST newFirstChild = (GrammarAST)altAST.GetChild(0);
altAST.TokenStartIndex = newFirstChild.TokenStartIndex;
}
}
public void StripSynPred(GrammarAST altAST)
{
GrammarAST t = (GrammarAST)altAST.GetChild(0);
if (t.Type == ANTLRParser.BACKTRACK_SEMPRED ||
t.Type == ANTLRParser.SYNPRED ||
t.Type == ANTLRParser.SYN_SEMPRED)
{
altAST.DeleteChild(0);
}
}
public void StripLeftRecursion(GrammarAST altAST)
{
GrammarAST rref = (GrammarAST)altAST.GetChild(0);
if (rref.Type == ANTLRParser.RULE_REF && rref.Text.Equals(ruleName))
{
// remove rule ref
altAST.DeleteChild(0);
// reset index so it prints properly
GrammarAST newFirstChild = (GrammarAST)altAST.GetChild(0);
altAST.TokenStartIndex = newFirstChild.TokenStartIndex;
}
}