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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 17843x 17843x 17843x 17843x 1x 8922x 8922x 8922x 8922x 8922x 26609x 26609x 26609x 26609x 26609x 26609x 26609x 26609x 26609x 8922x 8922x 1x 1x 8922x 8922x 8485x 8485x 8922x 8922x 202x 202x 8922x 8922x 215x 215x 215x 215x 215x 1216x 1216x 1216x 1216x 1216x 1216x 1216x 1216x 1216x 45x 1216x 1171x 1171x 1171x 1171x 1171x 1171x 34x 34x 1216x 1216x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1216x 215x 215x 215x 8922x 8922x | 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;
}
} |