private void HandleBlockInit(string blockTemplateName, Antlr3.Analysis.DFA dfa, ref Template code, out int altNum)
{
altNum = 0;
blockNestingLevel++;
if (state.backtracking == 0)
{
Template decision = null;
if (dfa != null)
{
code = templates.GetInstanceOf(blockTemplateName);
decision = generator.GenLookaheadDecision(recognizerST, dfa);
code.SetAttribute("decision", decision);
code.SetAttribute("decisionNumber", dfa.NfaStartStateDecisionNumber);
code.SetAttribute("maxK", dfa.MaxLookaheadDepth);
code.SetAttribute("maxAlt", dfa.NumberOfAlts);
}
else
{
code = templates.GetInstanceOf(blockTemplateName + "SingleAlt");
}
code.SetAttribute("blockLevel", blockNestingLevel);
code.SetAttribute("enclosingBlockLevel", blockNestingLevel - 1);
altNum = 1;
if (this.blockNestingLevel == RULE_BLOCK_NESTING_LEVEL)
{
this.outerAltNum = 1;
}
}
}
private void HandleRuleInit(GrammarAST start, out string initAction, out GrammarAST block2, out Antlr3.Analysis.DFA dfa, out Rule ruleDescr, out string description)
{
initAction = null;
// get the dfa for the BLOCK
block2 = (GrammarAST)start.GetFirstChildWithType(BLOCK);
dfa = block2.LookaheadDFA;
// init blockNestingLevel so it's block level RULE_BLOCK_NESTING_LEVEL
// for alts of rule
blockNestingLevel = RULE_BLOCK_NESTING_LEVEL - 1;
ruleDescr = grammar.GetRule(start.GetChild(0).Text);
currentRuleName = start.GetChild(0).Text;
description = string.Empty;
}