Method visitSelect

parser/parser.cc:1025–1049

}

std::any ParserVisitor::visitSelect(CelParser::SelectContext* ctx) {
  auto operand = ExprFromAny(visit(ctx->member()));
  // Handle the error case where no valid identifier is specified.
  if (!ctx->id || !ctx->op) {
    return ExprToAny(factory_.NewUnspecified(
        factory_.NextId(SourceRangeFromParserRuleContext(ctx))));
  }
  auto id = NormalizeIdentifier(ctx->id);
  if (ctx->opt != nullptr) {
    if (!enable_optional_syntax_) {
      return ExprToAny(factory_.ReportError(
          SourceRangeFromParserRuleContext(ctx), "unsupported syntax '.?'"));
    }
    auto op_id = factory_.NextId(SourceRangeFromToken(ctx->op));
    std::vector<Expr> arguments;
    arguments.reserve(2);
    arguments.push_back(std::move(operand));
    arguments.push_back(factory_.NewStringConst(
        factory_.NextId(SourceRangeFromParserRuleContext(ctx)), std::move(id)));
    return ExprToAny(factory_.NewCall(op_id, "_?._", std::move(arguments)));
  }
  return ExprToAny(
      factory_.NewSelect(factory_.NextId(SourceRangeFromToken(ctx->op)),
                         std::move(operand), std::move(id)));
}

std::any ParserVisitor::visitMemberCall(CelParser::MemberCallContext* ctx) {
  auto operand = ExprFromAny(visit(ctx->member()));