Method parseEquality

packages/compiler/src/expression_parser/parser.ts:945–964

()

  }

  private parseEquality(): AST {
    // '==','!=','===','!=='
    const start = this.inputIndex;
    let result = this.parseRelational();
    while (this.next.type == TokenType.Operator) {
      const operator = this.next.strValue;
      switch (operator) {
        case '==':
        case '===':
        case '!=':
        case '!==':
          this.advance();
          const right = this.parseRelational();
          result = new Binary(this.span(start), this.sourceSpan(start), operator, result, right);
          continue;
      }
      break;
    }
    return result;
  }

  private parseRelational(): AST {
    // '<', '>', '<=', '>=', 'in', 'instanceof'