@eagleoutice/flowr
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Static Dataflow Analyzer and Program Slicer for the R Programming Language
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TypeScript
import type { SingleSlicingCriterion, SlicingCriteria } from '../../slicing/criterion/parse';
import type { NodeId } from '../../r-bridge/lang-4.x/ast/model/processing/node-id';
import type { ReconstructionResult } from '../../reconstruct/reconstruct';
import type { RParseRequestFromFile, RParseRequestFromText } from '../../r-bridge/retriever';
import type { TimePerToken } from '../summarizer/data';
import type { MergeableRecord } from '../../util/objects';
export declare const CommonSlicerMeasurements: readonly ["initialize R session", "retrieve AST from R code", "normalize R AST", "produce dataflow information", "close R session", "total"];
export type CommonSlicerMeasurements = typeof CommonSlicerMeasurements[number];
export declare const PerSliceMeasurements: readonly ["static slicing", "reconstruct code", "total"];
export type PerSliceMeasurements = typeof PerSliceMeasurements[number];
export type ElapsedTime = bigint;
export interface PerSliceStats {
measurements: Map<PerSliceMeasurements, ElapsedTime>;
slicingCriteria: {
criterion: SingleSlicingCriterion;
id: NodeId;
}[];
reconstructedCode: ReconstructionResult;
numberOfDataflowNodesSliced: number;
timesHitThreshold: number;
}
export interface SlicerStatsInput<T = number> {
numberOfLines: T;
numberOfNonEmptyLines: T;
numberOfCharacters: T;
numberOfCharactersNoComments: T;
numberOfNonWhitespaceCharacters: T;
numberOfNonWhitespaceCharactersNoComments: T;
numberOfRTokens: T;
numberOfRTokensNoComments: T;
numberOfNormalizedTokens: T;
numberOfNormalizedTokensNoComments: T;
}
export interface SlicerStatsDataflow<T = number> {
numberOfNodes: T;
numberOfEdges: T;
numberOfCalls: T;
numberOfFunctionDefinitions: T;
sizeOfObject: T;
storedVertexIndices: T;
storedEnvIndices: T;
overwrittenIndices: T;
}
/**
* Please note, that these measurement can be negative as there is no guarantee that the memory usage will increase
* due to, e.g., garbage collection.
*/
export interface BenchmarkMemoryMeasurement<T = number> extends MergeableRecord {
heap: T;
rss: T;
external: T;
buffs: T;
}
/**
* The statistics that are collected by the {@link BenchmarkSlicer} and used for benchmarking.
*/
export interface SlicerStats {
commonMeasurements: Map<CommonSlicerMeasurements, ElapsedTime>;
perSliceMeasurements: Map<SlicingCriteria, PerSliceStats>;
memory: Map<CommonSlicerMeasurements, BenchmarkMemoryMeasurement>;
request: RParseRequestFromFile | RParseRequestFromText;
input: SlicerStatsInput;
dataflow: SlicerStatsDataflow;
retrieveTimePerToken: TimePerToken<number>;
normalizeTimePerToken: TimePerToken<number>;
dataflowTimePerToken: TimePerToken<number>;
totalCommonTimePerToken: TimePerToken<number>;
}