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42 lines
3.4 KiB
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42 lines
3.4 KiB
Markdown
---
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title: Custom Language Support
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---
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<!-- Copyright 2000-2020 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file. -->
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*IntelliJ Platform* is a powerful platform for building development tools targeting *any* language.
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Most of IDE features consist of language-independent and language-specific parts, and you can support a particular feature for your language with a small amount of effort:
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you just need to implement the language-specific part, and the language-independent part is provided for you by the platform.
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This part of the documentation will explain the main concepts of the *Language API* and will guide you through the sequence of steps which are usually required to develop a custom language plugin.
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You can obtain additional information about the *Language API* from the JavaDoc comments for the *Language API* classes and from the source code of the Properties language support, which is part of the
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[IntelliJ IDEA Community Edition](https://github.com/JetBrains/intellij-community)
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source code.
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If you prefer a full example to the detailed description offered on this page, please check out a step-by-step tutorial on how to define custom language support for _Simple Language_:
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[Custom Language Support Tutorial](/tutorials/custom_language_support_tutorial.md). Corresponding steps from the tutorial are linked under "Examples" section on each page of this reference.
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The webinar [How We Built Comma, the Raku IDE, on the IntelliJ Platform](https://blog.jetbrains.com/platform/2020/01/webinar-recording-how-we-built-comma-the-raku-ide-on-the-intellij-platform/) offers an excellent introduction as well.
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Providing custom language support includes the following major steps:
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* [Registering File Type](/reference_guide/custom_language_support/registering_file_type.md)
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* [Implementing Lexer](/reference_guide/custom_language_support/implementing_lexer.md)
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* [Implementing Parser and PSI](/reference_guide/custom_language_support/implementing_parser_and_psi.md)
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* [Syntax Highlighting and Error Highlighting](/reference_guide/custom_language_support/syntax_highlighting_and_error_highlighting.md)
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* [References and Resolve](/reference_guide/custom_language_support/references_and_resolve.md)
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* [Code Completion](/reference_guide/custom_language_support/code_completion.md)
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* [Find Usages](/reference_guide/custom_language_support/find_usages.md)
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* [Rename Refactoring](/reference_guide/custom_language_support/rename_refactoring.md)
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* [Safe Delete Refactoring](/reference_guide/custom_language_support/safe_delete_refactoring.md)
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* [Code Formatter](/reference_guide/custom_language_support/code_formatting.md)
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* [Code Inspections and Intentions](/reference_guide/custom_language_support/code_inspections_and_intentions.md)
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* [Structure View](/reference_guide/custom_language_support/structure_view.md)
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* [Surround With](/reference_guide/custom_language_support/surround_with.md)
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* [Go to Class and Go to Symbol](/reference_guide/custom_language_support/go_to_class_and_go_to_symbol.md)
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* [Documentation](/reference_guide/custom_language_support/documentation.md)
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* [Additional Minor Features](/reference_guide/custom_language_support/additional_minor_features.md)
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Please ask questions or suggest missing topics in [plugin development forum](https://intellij-support.jetbrains.com/hc/en-us/community/topics/200366979-IntelliJ-IDEA-Open-API-and-Plugin-Development).
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