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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 21998x 21998x 21998x 11001x 11001x 11001x 11001x 11001x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 32804x 11001x 11001x 10447x 10447x 11001x 11001x 260x 260x 11001x 11001x 274x 274x 274x 12x 12x 12x 262x 262x 262x 274x 1541x 43x 43x 1541x 43x 1x 1x 1x 1x 43x 1498x 29x 1455x 151x 151x 1541x 262x 262x 262x 11001x 11001x | 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;
}
} |