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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 22116x 22116x 22116x 11060x 11060x 11060x 11060x 11060x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 32980x 11060x 11060x 10504x 10504x 11060x 11060x 261x 261x 11060x 11060x 275x 275x 275x 12x 12x 12x 263x 263x 263x 275x 1542x 43x 43x 1542x 43x 1x 1x 1x 1x 43x 1499x 29x 1456x 151x 151x 1542x 263x 263x 263x 11060x 11060x | 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;
}
} |