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Que sont les outils de code(codetools)

Le paquet "outils de code" est un paquet de Lazarus fournissant des outils pour analyser, explorer, éditer et refactoriser les sources en langage Pascal. Les outils de code sont un module par eux-mêmes et sont proposés sous la licence GPL. Il existe de nombreux exemples sur comment utiliser les outils de code dans vos propres programmes dans le répertoire components/codetools/examples.

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Utilisation des outils de code sans l'IDE

Vous pouvez utiliser les outils de code sans l'IDE. Ceci peut être utile pour tester un nouvel outil. Un exemple simple est proposé avec

text
 <lazarusdir>/components/codetools/examples/methodjumping.lpi

Pour tester et trouver les déclarations, les outils de code ont besoin d'analyser les sources, notamment les sources RTL et FCL. Les exemples utilisent les variables d'environnement suivantes :

FPC is a very complex project with lots of search paths, include files and macros. The codetools need to know all these paths and macros in order to parse this jungle. To setup all this easily the codetools contain predefined templates for FPC, Lazarus, Delphi and Kylix source directories. See for a find declaration example

text
 <lazarusdir>/components/codetools/examples/finddeclaration.lpi

Because the FPC sources contain multiple versions of some units, and the FPC sources changes often, the codetools does not use a fixed path table, but instead scan first the whole FPC directory structure and try to guess, what source is the right for the current TargetOS and TargetCPU. This scan may take a while depending on your disk speed. All examples save the result in codetools.config, so that on next start the scan is skipped.

Whenever the FPC sources have moved or a unit is renamed, just delete the file codetools.config. The Lazarus IDE has its own config file and does the rescan, whenever the compiler executable has changed or the user forces a 'Environment > Rescan FPC source directory'.

Using the codetools in the IDE with the IDEIntf

See <lazarusdir>/examples/idequickfix/quickfixexample.lpk package. It demonstrates:

text
 When You install it will register a Quick Fix item.
pascal
     * parsing a unit
     * conversion of Filename,Line,Column to codetools source position
     * finding a codetools node at a cursor position
     * finding a procedure node and the begin..end node
     * creating a nice insertion position for a statement at the beginning of
       the begin..end block
     * getting the indentation of a line, so that the new line will
       work in sub procedure as well
     * inserting code with the codetools

From the Free Pascal wiki, page "Codetools/fr", as it stood on 2017-12-05 after a change by Gillou58, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.

Revision 4, last changed by WikiArchive .

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