// support
public virtual void DefineImplicitLabel(GrammarAST ast, LabeledOp op)
{
Decl d;
if (ast.Type == ANTLRParser.SET || ast.Type == ANTLRParser.WILDCARD)
{
string implLabel =
GetTarget().GetImplicitSetLabel(ast.Token.TokenIndex.ToString());
d = GetTokenLabelDecl(implLabel);
((TokenDecl)d).isImplicit = true;
}
else if (ast.Type == ANTLRParser.RULE_REF)
{ // a rule reference?
Rule r = g.GetRule(ast.Text);
string implLabel = GetTarget().GetImplicitRuleLabel(ast.Text);
string ctxName =
GetTarget().GetRuleFunctionContextStructName(r);
d = new RuleContextDecl(this, implLabel, ctxName);
((RuleContextDecl)d).isImplicit = true;
}
else
{
string implLabel = GetTarget().GetImplicitTokenLabel(ast.Text);
d = GetTokenLabelDecl(implLabel);
((TokenDecl)d).isImplicit = true;
}
op.GetLabels().Add(d);
// all labels must be in scope struct in case we exec action out of context
GetCurrentRuleFunction().AddContextDecl(ast.GetAltLabel(), d);
}
public override bool NeedsImplicitLabel(GrammarAST ID, LabeledOp op)
{
Alternative currentOuterMostAlt = GetCurrentOuterMostAlt();
bool actionRefsAsToken = currentOuterMostAlt.tokenRefsInActions.ContainsKey(ID.Text);
bool actionRefsAsRule = currentOuterMostAlt.ruleRefsInActions.ContainsKey(ID.Text);
return(op.GetLabels().Count == 0 && (actionRefsAsToken || actionRefsAsRule));
}
public virtual bool NeedsImplicitLabel(GrammarAST ID, LabeledOp op)
{
bool needs = @delegate.NeedsImplicitLabel(ID, op);
foreach (CodeGeneratorExtension ext in extensions)
{
needs |= ext.NeedsImplicitLabel(ID, op);
}
return(needs);
}
public virtual AddToLabelList GetAddToListOpIfListLabelPresent(LabeledOp op, GrammarAST label)
{
AddToLabelList labelOp = null;
if (label != null && label.Parent.Type == ANTLRParser.PLUS_ASSIGN)
{
string listLabel = GetTarget().GetListLabel(label.Text);
labelOp = new AddToLabelList(this, listLabel, op.GetLabels()[0]);
}
return(labelOp);
}
public virtual bool NeedsImplicitLabel(GrammarAST ID, LabeledOp op)
{
return false;
}
public virtual bool NeedsImplicitLabel(GrammarAST ID, LabeledOp op)
{
return(false);
}
public virtual bool NeedsImplicitLabel(GrammarAST ID, LabeledOp op)
{
bool needs = @delegate.NeedsImplicitLabel(ID, op);
foreach (CodeGeneratorExtension ext in extensions)
needs |= ext.NeedsImplicitLabel(ID, op);
return needs;
}
public virtual AddToLabelList GetAddToListOpIfListLabelPresent(LabeledOp op, GrammarAST label)
{
AddToLabelList labelOp = null;
if (label != null && label.Parent.Type == ANTLRParser.PLUS_ASSIGN)
{
string listLabel = GetTarget().GetListLabel(label.Text);
labelOp = new AddToLabelList(this, listLabel, op.GetLabels()[0]);
}
return labelOp;
}
// support
public virtual void DefineImplicitLabel(GrammarAST ast, LabeledOp op)
{
Decl d;
if (ast.Type == ANTLRParser.SET || ast.Type == ANTLRParser.WILDCARD)
{
string implLabel =
GetTarget().GetImplicitSetLabel(ast.Token.TokenIndex.ToString());
d = GetTokenLabelDecl(implLabel);
((TokenDecl)d).isImplicit = true;
}
else if (ast.Type == ANTLRParser.RULE_REF)
{ // a rule reference?
Rule r = g.GetRule(ast.Text);
string implLabel = GetTarget().GetImplicitRuleLabel(ast.Text);
string ctxName =
GetTarget().GetRuleFunctionContextStructName(r);
d = new RuleContextDecl(this, implLabel, ctxName);
((RuleContextDecl)d).isImplicit = true;
}
else
{
string implLabel = GetTarget().GetImplicitTokenLabel(ast.Text);
d = GetTokenLabelDecl(implLabel);
((TokenDecl)d).isImplicit = true;
}
op.GetLabels().Add(d);
// all labels must be in scope struct in case we exec action out of context
GetCurrentRuleFunction().AddContextDecl(ast.GetAltLabel(), d);
}
public override bool NeedsImplicitLabel(GrammarAST ID, LabeledOp op)
{
Alternative currentOuterMostAlt = GetCurrentOuterMostAlt();
bool actionRefsAsToken = currentOuterMostAlt.tokenRefsInActions.ContainsKey(ID.Text);
bool actionRefsAsRule = currentOuterMostAlt.ruleRefsInActions.ContainsKey(ID.Text);
return op.GetLabels().Count == 0 && (actionRefsAsToken || actionRefsAsRule);
}
