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| Extract method errors |
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| <h1> |
| Extract method errors |
| </h1> |
| <p> |
| When you attempt to extract a method, you may get one or more of the following common errors: |
| </p> |
| <ul> |
| <li> |
| <code>Selected block references a local type declared outside the selection</code> A local type declaration is not part of the selection but is referenced by one of the |
| statements selected for extraction. Either extend the selection that it includes the local type declaration or reduce the selection that no reference to the local type |
| declaration is selected.<br> |
| </li> |
| <li> |
| <code>A local type declared in the selected block is referenced outside the selection</code> The selection covers a local type declaration but the type is also referenced |
| outside the selected statements. Either extend the selection that is includes all references to the local type or reduce the selection that the local type declaration |
| isn't selected.<br> |
| </li> |
| <li> |
| <code>Ambiguous return value: selected block contains more than one assignment to local variable</code> More than one assignment to a local variable was found inside the |
| selected block. Either reduce the selection that only one assignment is selected or extend the selection that at least all reference except of one to the local variables |
| are covered by the selection too.<br> |
| </li> |
| <li> |
| <code>Ambiguous return value: expression access to local and return statement selected</code> The selected statement generates more than one return value. This is for |
| example the case if an expression is selected and an expression's argument is modified as well. To remedy this problem extend the selection to cover the read access of |
| the modified argument as well.<br> |
| </li> |
| <li> |
| <code>Selection contains a break statement but the corresponding break target isn't selected</code> To remedy the problem either extend the selection to include the |
| break / continue target or reduce the selection that the break / continue statement isn't covered by the selection.<br> |
| </li> |
| <li> |
| <code>Selection contains a continue statement but the corresponding continue target isn't selected</code> To remedy the problem either extend the selection to include |
| the break / continue target or reduce the selection that the break / continue statement isn't covered by the selection.<br> |
| </li> |
| <li> |
| <code>Selection starts inside a comment</code> Parts of a comment cannot be extracted. Either extend the selection that it covers the whole comment or reduce the selection |
| that the comment isn't covered at all.<br> |
| </li> |
| <li> |
| <code>Selection ends inside a comment</code> Parts of a comment can't be extracted. Either extend the selection that it covers the whole comment or reduce the |
| selection that the comment isn't covered at all.<br> |
| </li> |
| <li> |
| <code>Cannot extract selection that ends in the middle of a statement</code> Adjust selection so |
| that it fully covers a set of statements or expressions. The users can extend the selection to |
| a valid range using the <strong>Expand Selection to</strong> in the <a href="ref-menu-edit.htm">Edit menu.</a><br> |
| <a href="ref-menu-edit.htm"></a> |
| </li> |
| </ul> |
| <img src="../images/ngrelc.png" alt="Related concepts" border="0" > |
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| <a href="../concepts/concepts-1.htm">Java development tools (JDT)</a><br> |
| <a href="../concepts/concepts-9.htm">Refactoring support</a> |
| </p> |
| <p> |
| <img src="../images/ngrelr.png" alt="Related reference" border="0" > |
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| <a href="ref-menu-source.htm">Source menu</a><br> |
| <a href="ref-menu-refactor.htm">Refactor Menu</a> |
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