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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 83 84 85 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 21006x 21006x 21006x 10505x 10505x 10505x 10505x 10505x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 31325x 10505x 10505x 9969x 9969x 10505x 10505x 251x 251x 10505x 10505x 266x 266x 266x 12x 12x 12x 254x 254x 254x 266x 1498x 37x 37x 1498x 37x 1x 1x 1x 1x 37x 1461x 29x 1424x 131x 131x 1498x 254x 254x 254x 10505x 10505x | import {BasicRuleConfig} from "./_basic_rule_config";
import {ABAPRule} from "./_abap_rule";
import {IRuleMetadata, RuleTag} from "./_irule";
import * as Statements from "../abap/2_statements/statements";
import {ABAPFile} from "../abap/abap_file";
import {Issue} from "../issue";
import {StatementNode} from "../abap/nodes";
import {Comment} from "../abap/2_statements/statements/_statement";
export class ReduceProceduralCodeConf extends BasicRuleConfig {
public maxStatements: number = 10;
}
export class ReduceProceduralCode extends ABAPRule {
private conf = new ReduceProceduralCodeConf();
public getMetadata(): IRuleMetadata {
return {
key: "reduce_procedural_code",
title: "Reduce procedural code",
shortDescription: `Checks FORM and FUNCTION-MODULE have few statements`,
extendedInformation: `Delegate logic to a class method instead of using FORM or FUNCTION-MODULE.
https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#prefer-object-orientation-to-procedural-programming
Comments are not counted as statements.`,
tags: [RuleTag.SingleFile, RuleTag.Styleguide],
badExample: `FORM foo.
DATA lv_bar TYPE i.
lv_bar = 2 + 2.
IF lv_bar = 4.
WRITE 'hello world'.
ENDIF.
DATA lv_bar TYPE i.
lv_bar = 2 + 2.
IF lv_bar = 4.
WRITE 'hello world'.
ENDIF.
ENDFORM.`,
goodExample: `FORM foo.
NEW zcl_global_class( )->run_logic( ).
ENDFORM.`,
};
}
public getConfig() {
return this.conf;
}
public setConfig(conf: ReduceProceduralCodeConf) {
this.conf = conf;
}
public runParsed(file: ABAPFile) {
const issues: Issue[] = [];
if (file.getStructure() === undefined) {
// constains syntax errors, skip this check
return issues;
}
let doCount: StatementNode | undefined = undefined;
let count = 0;
for (const statement of file.getStatements()) {
if (statement.get() instanceof Statements.Form || statement.get() instanceof Statements.FunctionModule) {
doCount = statement;
count = 0;
} else if (statement.get() instanceof Statements.EndForm || statement.get() instanceof Statements.EndFunction) {
if (count >= this.conf.maxStatements && doCount !== undefined) {
const message = "Reduce procedural code, max " + this.conf.maxStatements + " statements";
const issue = Issue.atStatement(file, doCount, message, this.getMetadata().key, this.conf.severity);
issues.push(issue);
}
doCount = undefined;
} else if (statement.get() instanceof Comment) {
continue;
} else if (doCount !== undefined) {
count = count + 1;
}
}
return issues;
}
} |