Class AbstractAstReflection`Abstract`

An abstract implementation of the AstReflection interface. Serves to cache subtype computation results to improve performance throughout different parts of Langium.

Hierarchy (View Summary)

AbstractAstReflection
- LangiumGrammarAstReflection

Implements

AstReflection

Index

Constructors

Properties

allSubtypes subtypes types

Methods

getAllSubTypes getAllTypes getReferenceType getTypeMetaData isInstance isSubtype

Constructors

constructor

new AbstractAstReflection(): AbstractAstReflection
Returns AbstractAstReflection

Properties

`Protected`allSubtypes

allSubtypes: Record<string, undefined | string[]> = {}

`Protected`subtypes

subtypes: Record<string, Record<string, undefined | boolean>> = {}

`Readonly`types

types: AstMetaData

Methods

getAllSubTypes

getAllSubTypes(type: string): string[]
Parameters
- type: string
Returns string[]
Implementation of AstReflection.getAllSubTypes
- Defined in packages/langium/src/syntax-tree.ts:238

getAllTypes

getAllTypes(): string[]
Returns string[]
Implementation of AstReflection.getAllTypes
- Defined in packages/langium/src/syntax-tree.ts:187

getReferenceType

getReferenceType(refInfo: ReferenceInfo): string
Parameters
- refInfo: ReferenceInfo
Returns string
Implementation of AstReflection.getReferenceType
- Defined in packages/langium/src/syntax-tree.ts:191

getTypeMetaData

getTypeMetaData(type: string): TypeMetaData
Parameters
- type: string
Returns TypeMetaData
Implementation of AstReflection.getTypeMetaData
- Defined in packages/langium/src/syntax-tree.ts:203

isInstance

isInstance(node: unknown, type: string): boolean
Parameters
- node: unknown
- type: string
Returns boolean
Implementation of AstReflection.isInstance
- Defined in packages/langium/src/syntax-tree.ts:215

isSubtype

isSubtype(subtype: string, supertype: string): boolean
Parameters
- subtype: string
- supertype: string
Returns boolean
Implementation of AstReflection.isSubtype
- Defined in packages/langium/src/syntax-tree.ts:219