Function GetOperandIndexForOperandUsages

highlevelilinstruction.cpp:202–231

static unordered_map<BNHighLevelILOperation, unordered_map<HighLevelILOperandUsage, size_t>>
    GetOperandIndexForOperandUsages()
{
	unordered_map<BNHighLevelILOperation, unordered_map<HighLevelILOperandUsage, size_t>> result;
	result.reserve(HighLevelILInstructionBase::operationOperandUsage.size());
	for (auto& operation : HighLevelILInstructionBase::operationOperandUsage)
	{
		result[operation.first] = unordered_map<HighLevelILOperandUsage, size_t>();
		result[operation.first].reserve(operation.second.size());
		size_t operand = 0;
		for (auto usage : operation.second)
		{
			result[operation.first][usage] = operand;
			switch (HighLevelILInstructionBase::operandTypeForUsage[usage])
			{
			case SSAVariableHighLevelOperand:
			case SSAVariableListHighLevelOperand:
			case ExprListHighLevelOperand:
			case IndexListHighLevelOperand:
				// SSA variables and lists take two operand slots
				operand += 2;
				break;
			default:
				operand++;
				break;
			}
		}
	}
	return result;
}


unordered_map<BNHighLevelILOperation, unordered_map<HighLevelILOperandUsage, size_t>>