antlr-ng/dist/src/misc/LexerAdaptor.js

Next generation ANTLR Tool

var __defProp = Object.defineProperty;
var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
import { Lexer, Token } from "antlr4ng";
import { ANTLRv4Lexer } from "../generated/ANTLRv4Lexer.js";
class LexerAdaptor extends Lexer {
  static {
    __name(this, "LexerAdaptor");
  }
  /** Generic type for OPTIONS, TOKENS and CHANNELS */
  static PREQUEL_CONSTRUCT = -10;
  static OPTIONS_CONSTRUCT = -11;
  currentRuleType = Token.INVALID_TYPE;
  constructor(input) {
    super(input);
    this.currentRuleType = Token.INVALID_TYPE;
  }
  reset() {
    this.currentRuleType = Token.INVALID_TYPE;
    super.reset();
  }
  emit() {
    if ((this.type === ANTLRv4Lexer.OPTIONS || this.type === ANTLRv4Lexer.TOKENS || this.type === ANTLRv4Lexer.CHANNELS) && this.currentRuleType === Token.INVALID_TYPE) {
      this.currentRuleType = LexerAdaptor.PREQUEL_CONSTRUCT;
    } else if (this.type === ANTLRv4Lexer.OPTIONS && this.currentRuleType === ANTLRv4Lexer.TOKEN_REF) {
      this.currentRuleType = LexerAdaptor.OPTIONS_CONSTRUCT;
    } else if (this.type === ANTLRv4Lexer.RBRACE && this.currentRuleType === LexerAdaptor.PREQUEL_CONSTRUCT) {
      this.currentRuleType = Token.INVALID_TYPE;
    } else if (this.type === ANTLRv4Lexer.RBRACE && this.currentRuleType === LexerAdaptor.OPTIONS_CONSTRUCT) {
      this.currentRuleType = ANTLRv4Lexer.TOKEN_REF;
    } else if (this.type === ANTLRv4Lexer.AT && this.currentRuleType === Token.INVALID_TYPE) {
      this.currentRuleType = ANTLRv4Lexer.AT;
    } else if (this.type === ANTLRv4Lexer.SEMI && this.currentRuleType === LexerAdaptor.OPTIONS_CONSTRUCT) {
    } else if (this.type === ANTLRv4Lexer.ID) {
      const firstChar = this.inputStream.getTextFromRange(this.tokenStartCharIndex, this.tokenStartCharIndex);
      const c = firstChar.charAt(0);
      if (c === c.toUpperCase()) {
        this.type = ANTLRv4Lexer.TOKEN_REF;
      } else {
        this.type = ANTLRv4Lexer.RULE_REF;
      }
      if (this.currentRuleType === Token.INVALID_TYPE) {
        this.currentRuleType = this.type;
      }
    } else if (this.type === ANTLRv4Lexer.SEMI) {
      this.currentRuleType = Token.INVALID_TYPE;
    }
    return super.emit();
  }
  handleBeginArgument() {
    if (this.currentRuleType === ANTLRv4Lexer.TOKEN_REF) {
      this.pushMode(ANTLRv4Lexer.LexerCharSet);
      this.more();
    } else {
      this.pushMode(ANTLRv4Lexer.Argument);
    }
  }
  handleEndArgument() {
    this.popMode();
    if (this.modeStack.length > 0) {
      this.type = ANTLRv4Lexer.ARGUMENT_CONTENT;
    }
  }
}
export {
  LexerAdaptor
};