public ShiftReduceParser()
{
_stateStack = new ParserStack <State>();
_valueStack = new ParserStack <TValue>();
_locationStack = new ParserStack <TLocation>();
if (_tables == null)
{
lock (_tablesLock) {
if (_tables == null)
{
ParserTables tables = new ParserTables();
Initialize(tables);
#if DEBUG
InitializeMetadata(tables);
InitializeRulesMetadata(tables);
#endif
Thread.MemoryBarrier();
_tables = tables;
}
}
}
_states = _tables.States;
_ruleLhsNonTerminals = _tables.RuleLhsNonTerminals;
_ruleRhsLengths = _tables.RuleRhsLengths;
_errorToken = _tables.ErrorToken;
_eofToken = _tables.EofToken;
}
private void InitializeTables()
{
_stack = new ParserStack <State, TValue, TLocation>();
if (_tables == null)
{
lock (_tablesLock) {
if (_tables == null)
{
Debug.Assert(typeof(TLocation).IsValueType);
ParserTables tables = new ParserTables();
InitializeGeneratedTables(tables);
#if DEBUG
InitializeMetadata(tables);
InitializeRulesMetadata(tables);
#endif
Thread.MemoryBarrier();
_tables = tables;
}
}
}
_states = _tables.States;
_rules = _tables.Rules;
_errorToken = _tables.ErrorToken;
_eofToken = _tables.EofToken;
}