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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | 1x 1x 1x 1x 1x 1x 1x 23301x 23301x 23301x 23301x 1x 11651x 11651x 11651x 11651x 11651x 45943x 45943x 45943x 45943x 45943x 45943x 45943x 45943x 45943x 11651x 11651x 1x 1x 11651x 11651x 11142x 11142x 11651x 11651x 239x 239x 11651x 11651x 251x 251x 251x 251x 251x 1436x 1436x 1436x 1436x 1436x 1436x 1436x 1436x 1436x 19x 1436x 1417x 1417x 1417x 1417x 1417x 1417x 8x 8x 1436x 1436x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1436x 251x 251x 251x 11651x 11651x | import {Issue} from "../issue";
import * as Statements from "../abap/2_statements/statements";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import {RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
export class NestingConf extends BasicRuleConfig {
/** Maximum allowed nesting depth */
public depth: number = 5;
}
export class Nesting extends ABAPRule {
private conf = new NestingConf();
public getMetadata() {
return {
key: "nesting",
title: "Check nesting depth",
shortDescription: `Checks for methods exceeding a maximum nesting depth`,
extendedInformation: `https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#keep-the-nesting-depth-low
https://docs.abapopenchecks.org/checks/74/`,
tags: [RuleTag.Styleguide, RuleTag.SingleFile],
};
}
private getDescription(max: string): string {
return "Reduce nesting depth to max " + max;
}
public getConfig() {
return this.conf;
}
public setConfig(conf: NestingConf) {
this.conf = conf;
}
public runParsed(file: ABAPFile) {
const issues: Issue[] = [];
let depth: number = 0;
for (const statement of file.getStatements()) {
const type = statement.get();
if (type instanceof Statements.If
|| type instanceof Statements.Case
|| type instanceof Statements.While
|| type instanceof Statements.Loop
|| type instanceof Statements.SelectLoop
|| type instanceof Statements.Do
|| type instanceof Statements.Try) {
depth = depth + 1;
} else if (type instanceof Statements.EndIf
|| type instanceof Statements.EndCase
|| type instanceof Statements.EndWhile
|| type instanceof Statements.EndLoop
|| type instanceof Statements.EndSelect
|| type instanceof Statements.EndDo
|| type instanceof Statements.EndTry) {
depth = depth - 1;
}
if (depth > this.conf.depth) {
const pos = statement.getFirstToken().getStart();
const issue = Issue.atPosition(
file,
pos,
this.getDescription(this.conf.depth.toString()),
this.getMetadata().key,
this.conf.severity);
issues.push(issue);
break; // only one finding per file
}
}
return issues;
}
} |