function hook_upgrade_file_alter in Coder 7

Same name and namespace in other branches

1. 7.2 coder_upgrade/coder_upgrade.api.php \hook_upgrade_file_alter()

Alters a code file using the grammar parser.

This hook allows contributed modules to alter a code file object using the grammar parser. If a module defines a class, then the calls to its methods are not included in the calls to hook_upgrade_hook_HOOK_NAME_alter or hook_upgrade_hook_alter.

Parameters

PGPReader $reader: The object containing the grammar statements of the file to convert.

1 invocation of hook_upgrade_file_alter()

coder_upgrade_apply_parser in coder_upgrade/includes/main.inc

Applies grammar parser conversion routines to a file.

File

coder_upgrade/coder_upgrade.api.php, line 276

Documents hooks provided by this module.

Code

function hook_upgrade_file_alter(&$reader) {

  /*
   * Task: Modify calls to class methods.
   */

  // Get list of function calls (including the calls to class methods).
  $nodes =& $reader
    ->getFunctionCalls();

  // Loop on list.
  foreach ($nodes as &$node) {

    // Get the function call object.
    $item =& $node->data;
    if (!isset($item) || !is_object($item) || !$item instanceof PGPFunctionCall || $item->type != T_FUNCTION_CALL) {

      /*
       * These checks are necessary as the reference (i.e. $item) could have
       * been changed in another routine so that it no longer refers to a
       * function call object.
       */
      continue;
    }

    /*
     * To be a call to a class method, the function name must be an expression
     * like $this->foo() as opposed to a string or a single variable. This code
     * checks the name is an expression (using is_a($item->name, 'PGPOperand'))
     * and the value element of the name object is '$this'.
     *
     * Review the grammar structure object using $item->print_r().
     */
    if ($item->name instanceof PGPOperand && $item->name
      ->findNode('value') == '$this') {

      // Strip '$this->' from the name.
      $name = substr($item->name
        ->toString(), 7);

      // Modify the function call
      my_module_convert_method($item, $reader, $name);
    }
  }
}