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@eagleoutice/flowr

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Static Dataflow Analyzer and Program Slicer for the R Programming Language

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import type { DataflowGraph } from '../../../dataflow/graph/graph'; import type { RNode } from '../../../r-bridge/lang-4.x/ast/model/model'; import type { RString } from '../../../r-bridge/lang-4.x/ast/model/nodes/r-string'; import type { RSymbol } from '../../../r-bridge/lang-4.x/ast/model/nodes/r-symbol'; import type { ParentInformation } from '../../../r-bridge/lang-4.x/ast/model/processing/decorate'; import type { DataFrameAssignmentInfo } from '../absint-info'; /** * Maps a concrete data frame assignment to data frame assignment info containing the ids of the identifier and assigned expression. * We currently do not support function assignments dealing with data frames. * * @param identifier - The R node of the variable identifier * @param expression - The R node of the assigned expression * @param dfg - The data flow graph for resolving the arguments * @returns Data frame assignment info containing the IDs of the identifier and expression, or `undefined` if the node does not represent a data frame assignment */ export declare function mapDataFrameVariableAssignment(identifier: RSymbol<ParentInformation> | RString<ParentInformation>, expression: RNode<ParentInformation>, dfg: DataflowGraph): DataFrameAssignmentInfo | undefined; /** * Checks whether a R node represents an assignment target, i.e. is a `RSymbol` or `RString`. */ export declare function isAssignmentTarget(node: RNode<ParentInformation> | undefined): node is RSymbol<ParentInformation> | RString<ParentInformation>;