ANTLRLexerState.java 文件源码

/**
 * Constructs a new instance of {@link ANTLRLexerState} containing the mode and mode stack information for an ANTLR
 * lexer.
 *
 * @param mode The current lexer mode, {@link Lexer#_mode}.
 * @param modeStack The lexer mode stack, {@link Lexer#_modeStack}, or {@code null} .
 */
public ANTLRLexerState(int mode, @Nullable IntegerStack modeStack) {
    this.mode = mode;
    this.modeStack = modeStack != null ? modeStack.toArray() : null;
}