public override void SetAltAssoc(AltAST t, int alt)
{
ASSOC assoc = ASSOC.left;
if (t.GetOptions() != null)
{
string a = t.GetOptionString("assoc");
if (a != null)
{
if (a.Equals(ASSOC.right.ToString()))
{
assoc = ASSOC.right;
}
else if (a.Equals(ASSOC.left.ToString()))
{
assoc = ASSOC.left;
}
else
{
tool.errMgr.GrammarError(ErrorType.ILLEGAL_OPTION_VALUE, t.g.fileName, t.GetOptionAST("assoc").Token, "assoc", assoc);
}
}
}
if (altAssociativity.ContainsKey(alt) && altAssociativity[alt] != assoc)
{
tool.errMgr.ToolError(ErrorType.INTERNAL_ERROR, "all operators of alt " + alt + " of left-recursive rule must have same associativity");
}
altAssociativity[alt] = assoc;
// System.out.println("setAltAssoc: op " + alt + ": " + t.getText()+", assoc="+assoc);
}
public override void SetTokenPrec(GrammarAST t, int alt)
{
int ttype = g.GetTokenType(t.Text);
//tokenToPrec.Add(ttype, alt);
tokenToPrec[ttype] = alt;
ASSOC assoc = ASSOC.left;
if (t.terminalOptions != null)
{
object o;
t.terminalOptions.TryGetValue("assoc", out o);
string a = o as string;
if (a != null)
{
if (a.Equals(ASSOC.right.ToString()))
{
assoc = ASSOC.right;
}
else
{
ErrorManager.Error(ErrorManager.MSG_ILLEGAL_OPTION_VALUE, "assoc", assoc);
}
}
}
ASSOC currentAssociativity;
if (altAssociativity.TryGetValue(alt, out currentAssociativity))
{
if (currentAssociativity != assoc)
{
ErrorManager.Error(ErrorManager.MSG_ALL_OPS_NEED_SAME_ASSOC, alt);
}
}
else
{
altAssociativity.Add(alt, assoc);
}
//System.out.println("op " + alt + ": " + t.getText()+", assoc="+assoc);
}