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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 22432x 22432x 22432x 11218x 11218x 11218x 11218x 11218x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 33488x 11218x 11218x 10730x 10730x 11218x 11218x 227x 227x 11218x 11218x 241x 241x 241x 12x 12x 12x 229x 229x 229x 241x 1368x 6x 6x 1368x 6x 1x 1x 1x 1x 6x 1362x 29x 1356x 13x 13x 1368x 229x 229x 229x 11218x 11218x | 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;
}
} |