internal LexemeEnumerator(LexemeSource <TToken> lexemeSource)
{
_lexemeSource = lexemeSource;
_pointer = BufferSize - 1;
_lexemeBuffer = new Lexeme <TToken> [BufferSize];
_operandBuffer = new int[BufferSize];
_bufferSize = BufferSize;
Current = default;
}
public virtual void Mount(LexemeSource <TToken> lexemeSource, ParserContext parserContext, Parser <TGrammar, TToken> parser)
{
_poolDictionary = _threadLocalPoolDictionary.Value;
LexemeSource = lexemeSource;
TextSource = lexemeSource.TextSource;
ParserContext = parserContext;
if (ParserContext != null)
{
ParserContext.ParserAutomataContext = this;
}
}
public LexerProcess(Lexer <TGrammar, TToken> lexer, LexemeSource <TToken> lexemeSource)
{
var textSource = lexemeSource.TextSource;
var lexerContext = lexer.CreateContext(lexemeSource);
if (textSource is StringTextSource stringTextSource)
{
_process = new LexerAutomata.SpanProcess(stringTextSource, lexer, lexerContext);
}
else
{
_process = new LexerAutomata.ReaderProcess(textSource, lexer, lexerContext);
}
}
public virtual void Dispose()
{
TextSource = null;
LexemeSource = null;
_poolDictionary = null;
if (ParserContext == null)
{
return;
}
ParserContext.Dispose();
ParserContext.ParserAutomataContext = null;
ParserContext = null;
}
protected void RunCore <TContext>(LexemeSource <TToken> lexemeSource, TContext context) where TContext : AutomataContext
{
using var instructionReader = new LexemeStreamInstructionReader(lexemeSource);
RunCore(instructionReader, context);
}
private protected AutomataResult PartialRunCore <TContext>(LexemeSource <TToken> lexemeSource, TContext context) where TContext : AutomataContext
{
using var instructionReader = new LexemeStreamInstructionReader(lexemeSource);
return(PartialRunCore(instructionReader, context));
}
public LexemeStreamInstructionReader(LexemeSource <TToken> lexemeSource)
{
_lexemeSource = lexemeSource;
}
protected LexerContext(LexemeSource <TToken> lexemeSource)
{
LexemeSource = lexemeSource;
}
public VisitorAutomataContext MountVisitorContext(Visitor visitor, ParserAutomata parserAutomata, LexemeSource <TToken> lexemeSource, ParserContext parserContext, Parser <TGrammar, TToken> parser)
{
var pool = GetVisitorContextPool(visitor.GetType());
VisitorAutomataContext context;
lock (pool)
context = pool.Count > 0 ? pool.Pop() : new VisitorAutomataContext(visitor, this, parserAutomata);
context.Mount(lexemeSource, parserContext, parser);
return(context);
}
public SyntaxTreeAutomataContext MountSyntaxTreeContext(ParserAutomata parserAutomata, LexemeSource <TToken> lexemeSource, ParserContext parserContext, Parser <TGrammar, TToken> parser)
{
SyntaxTreeAutomataContext context;
lock (SyntaxTreeContextPool)
context = SyntaxTreeContextPool.Count > 0 ? SyntaxTreeContextPool.Pop() : new SyntaxTreeAutomataContext(this, parserAutomata);
context.Mount(lexemeSource, parserContext, parser);
return(context);
}
public ProcessAutomataContext MountProcessContext(ParserAutomata parserAutomata, LexemeSource <TToken> lexemeSource, ParserContext parserContext, Parser <TGrammar, TToken> parser)
{
ProcessAutomataContext context;
lock (ProcessContextPool)
context = ProcessContextPool.Count > 0 ? ProcessContextPool.Pop() : new ProcessAutomataContext(this, parserAutomata);
context.Mount(lexemeSource, parserContext, parser);
return(context);
}
