Method VisitUnpackTarget

avida-core/source/script/cSemanticASTVisitor.cc:846–870

void cSemanticASTVisitor::VisitUnpackTarget(cASTUnpackTarget& node)
{
  node.GetExpression()->Accept(*this);
  
  // Make sure that the expression can be used as an array
  checkCast(node.GetExpression()->GetType(), TYPEINFO(ARRAY));
  
  // Check each named variable and determine if it exists
  for (int var = 0; var < node.GetSize(); var++) {
    int var_id = -1;
    bool global = false;
    if (lookupVariable(node.GetVarName(var), var_id, global)) {
      node.SetVar(var, var_id, global, (global ? m_global_symtbl : m_cur_symtbl)->GetVariableType(var_id));
    } else {
      SEMANTIC_ERROR(VARIABLE_UNDEFINED, (const char*)node.GetVarName(var));
    }
  }
  
  // Check if last named is of array type
  const int last = node.GetSize() - 1;
  if (node.IsLastNamed() && node.GetVarID(last) != -1 && node.GetVarType(last) != TYPE(ARRAY))
    SEMANTIC_ERROR(UNPACK_WILD_NONARRAY, (const char*)node.GetVarName(last));
  
  // Rest of variable type checking must be done at runtime
}

void cSemanticASTVisitor::PostCheck()
{