Class LangiumLanguageService<Specifics>

The default implementation of the 'LanguageService' for Langium exploits the generated XXXAstReflection, which needs to be given in the constructor.

Type Parameters

Specifics extends TypirLangiumSpecifics

Hierarchy (View Summary)

DefaultLanguageService<Specifics>
- LangiumLanguageService

Implements

LanguageService<Specifics>

Index

Constructors

Properties

reflection superKeys

Methods

getAllSubKeys getAllSuperKeys getLanguageNodeKey isLanguageNode

Constructors

constructor

new LangiumLanguageService<Specifics extends TypirLangiumSpecifics>(
reflection: AbstractAstReflection,
): LangiumLanguageService<Specifics>
Type Parameters
- Specifics extends TypirLangiumSpecifics
Parameters
- reflection: AbstractAstReflection
Returns LangiumLanguageService<Specifics>
Overrides DefaultLanguageService.constructor
- Defined in packages/typir-langium/src/features/langium-language.ts:19

Properties

`Protected` `Readonly`reflection

reflection: AbstractAstReflection

`Protected`superKeys

superKeys: undefined | Map<string, string[]> = undefined

Methods

getAllSubKeys

getAllSubKeys(languageKey: string): string[]
Returns all keys, which are direct or indirect sub-keys of the given language key.
Parameters
- languageKey: string
  the given language key
Returns string[]
the list does not contain the given language key itself
Implementation of LanguageService.getAllSubKeys
Overrides DefaultLanguageService.getAllSubKeys
- Defined in packages/typir-langium/src/features/langium-language.ts:28

getAllSuperKeys

getAllSuperKeys(languageKey: string): string[]
Returns all keys, which are direct or indirect super-keys of the given language key.
Parameters
- languageKey: string
  the given language key
Returns string[]
the list does not contain the given language key itself
Implementation of LanguageService.getAllSuperKeys
Overrides DefaultLanguageService.getAllSuperKeys
- Defined in packages/typir-langium/src/features/langium-language.ts:34

getLanguageNodeKey

getLanguageNodeKey(languageNode: Specifics["LanguageType"]): string
Returns the language key for a given language node
Parameters
- languageNode: Specifics["LanguageType"]
  the given language node
Returns string
the language key or 'undefined', if there is no language key for the given language node
Implementation of LanguageService.getLanguageNodeKey
Overrides DefaultLanguageService.getLanguageNodeKey
- Defined in packages/typir-langium/src/features/langium-language.ts:24

isLanguageNode

isLanguageNode(node: unknown): node is Specifics["LanguageType"]
Parameters
- node: unknown
Returns node is Specifics["LanguageType"]
Implementation of LanguageService.isLanguageNode
Overrides DefaultLanguageService.isLanguageNode
- Defined in packages/typir-langium/src/features/langium-language.ts:57