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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 22291x 22291x 22291x 22291x 1x 11146x 11146x 11146x 11146x 11146x 33243x 33243x 33243x 33243x 33243x 33243x 33243x 33243x 33243x 11146x 11146x 1x 1x 11146x 11146x 10583x 10583x 11146x 11146x 266x 266x 11146x 11146x 278x 278x 278x 278x 278x 1588x 1588x 1588x 1588x 1588x 1588x 1588x 1588x 1588x 46x 1588x 1542x 1542x 1542x 1542x 1542x 1542x 35x 35x 1588x 1588x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1588x 278x 278x 278x 11146x 11146x | 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;
}
} |