Function LookupOperand

source/table2.cpp:235–257

}

spv_result_t LookupOperand(spv_operand_type_t type, uint32_t value,
                           const OperandDesc** desc) {
  auto ir = OperandByValueRangeForKind(type);
  if (ir.empty()) {
    return SPV_ERROR_INVALID_LOOKUP;
  }

  auto span = ir.apply(kOperandsByValue.data());

  // Metaphor: Look for the needle in the haystack.
  // The operand value is the first member.
  const OperandDesc needle{value};
  auto where =
      std::lower_bound(span.begin(), span.end(), needle,
                       [&](const OperandDesc& lhs, const OperandDesc& rhs) {
                         return lhs.value < rhs.value;
                       });
  if (where != span.end() && where->value == value) {
    *desc = &*where;
    return SPV_SUCCESS;
  }
  return SPV_ERROR_INVALID_LOOKUP;
}

spv_result_t LookupOperand(spv_operand_type_t type, const char* name,
                           size_t name_len, const OperandDesc** desc) {