UNPKG

@eagleoutice/flowr

Version:

Static Dataflow Analyzer and Program Slicer for the R Programming Language

55 lines (54 loc) 3.07 kB
import type { AstIdMap } from './decorate'; import type { DataflowGraph } from '../../../../../dataflow/graph/graph'; /** The type of the id assigned to each node. Branded to avoid problematic usages with other string or numeric types. */ export type NodeId<T extends string | number = string | number> = T & { __brand?: 'node-id'; }; /** * A variant of {@link NodeId} that represents built-in functions or operators. The string is prefixed with `built-in:` to avoid confusion with other node ids. */ export type BuiltIn<T extends string = string> = `built-in:${T}`; /** * The type of the id assigned to each node. Branded to avoid problematic usages with other string or numeric types. * The default ids are numeric, but we use a branded type to avoid confusion with other numeric types. * Custom ids or scoped ids can be strings, but they will be normalized to numbers if they are numeric strings. */ export declare const NodeId: { readonly name: "NodeId"; /** * Normalizes a node id by converting numeric strings to numbers. * This allows us to use numeric ids without storing them as strings, while still allowing custom string ids if needed. */ readonly normalize: (this: void, id: NodeId) => NodeId; /** * The prefix used for built-in function or operator ids. */ readonly builtInPrefix: "built-in:"; /** * Checks if a given node id is a built-in function or operator id by checking if it is a string that starts with the built-in prefix. * @see {@link toBuiltIn} - to convert a built-in function or operator name to a built-in id * @see {@link fromBuiltIn} - to recover the built-in function or operator name from a built-in id */ readonly isBuiltIn: (this: void, id: BuiltIn | NodeId | undefined) => id is BuiltIn; /** * Converts a built-in function or operator name to a built-in id by prefixing it with the built-in prefix. * @see {@link isBuiltIn} - to check if a given node id is a built-in function or operator id * @see {@link fromBuiltIn} - to recover the built-in function or operator name from a built-in id */ readonly toBuiltIn: <T extends string>(this: void, name: T) => BuiltIn<T>; /** * Recovers the built-in function or operator name from a built-in id by removing the built-in prefix. * @see {@link isBuiltIn} - to check if a given node id is a built-in function or operator id * @see {@link toBuiltIn} - to convert a built-in function or operator name to a built-in id */ readonly fromBuiltIn: <T extends string>(this: void, id: BuiltIn<T>) => T; }; /** * Recovers the lexeme of a {@link RNode|node} from its id in the {@link AstIdMap|id map}. * @see {@link recoverContent} - to recover the content of a node */ export declare function recoverName(id: NodeId, idMap?: AstIdMap): string | undefined; /** * Recovers the content of a {@link RNode|node} from its id in the {@link DataflowGraph|dataflow graph}. */ export declare function recoverContent(id: NodeId, graph: DataflowGraph): string | undefined;