---
name: "PPIx::EditorTools::IntroduceTemporaryVariable"
section: "3pm"
platform: "linux"
package: "libppix-editortools-perl"
version: "0.21-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/PPIx::EditorTools::IntroduceTemporaryVariable"
---

# PPIx::EditorTools::IntroduceTemporaryVariable(3pm)

Introduces a temporary variable using PPI

## NAME

PPIx::EditorTools::IntroduceTemporaryVariable - Introduces a temporary variable using PPI

## VERSION

version 0.21

## SYNOPSIS

```
    my $munged = PPIx::EditorTools::IntroduceTemporaryVariable->new->introduce(
        code           => "use strict; BEGIN {
        $^W = 1;
}\n\tmy $x = ( 1 + 10 / 12 ) * 2;\n\tmy $y = ( 3 + 10 / 12 ) * 2;\n",
        start_location => [ 2, 19 ],
        end_location   => [ 2, 25 ],
        varname        => '$foo',
    );
    my $modified_code_as_string = $munged->code;
    my $location_of_new_var_declaration = $munged->element->location;
```

## DESCRIPTION

Given a region of code within a statement, replaces all occurrences of that code with a temporary variable. Declares and initializes the temporary variable right above the statement that included the selected expression.

## METHODS

- **new()**

  Constructor. Generally shouldn't be called with any arguments.

- find( ppi =\> PPI::Document, start\_location =\> Int, end\_location =\> Int, varname =\> Str )

  - find( code =\> Str, start\_location =\> Int, end\_location =\> Int, varname =\> Str )

  Accepts either a `"PPI::Document"` to process or a string containing the code (which will be converted into a `"PPI::Document"`) to process.

  Given the region of code specified by start\_location and end\_location, replaces that code with a temporary variable with the name given in varname (defaults to `"tmp"`). Declares and initializes the temporary variable right above the statement that included the selected expression.

  Returns a `"PPIx::EditorTools::ReturnObject"` with the modified code as a string available via the `"code"` accessor (or as a `"PPI::Document"` via the `"ppi"` accessor), and the `"PPI::Token"` where the new variable is declared available via the `"element"` accessor.

  Croaks with a "no token" exception if no token is found at the location. Croaks with a "no statement" exception if unable to find the statement.

## SEE ALSO

This class inherits from `"PPIx::EditorTools"`. Also see App::EditorTools, Padre, and PPI.

## AUTHORS

- •

  Steffen Mueller `"smueller@cpan.org"`

- •

  Mark Grimes `"mgrimes@cpan.org"`

- •

  Ahmad M. Zawawi \<ahmad.zawawi@gmail.com\>

- •

  Gabor Szabo  \<gabor@szabgab.com\>

- •

  Yanick Champoux \<yanick@cpan.org\>

## COPYRIGHT AND LICENSE

This software is copyright (c) 2017, 2014, 2012 by The Padre development team as listed in Padre.pm..

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.