All files / src/rules exit_or_check.ts

100% Statements 78/78
100% Branches 25/25
100% Functions 6/6
100% Lines 78/78

Press n or j to go to the next uncovered block, b, p or k for the previous block.

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 781x 1x 1x 1x 1x 1x 1x 1x 1x 22432x 22432x 22432x 22432x 1x 11217x 11217x 11217x 11217x 11217x 33497x 33497x 33497x 33497x 33497x 33497x 33497x 33497x 33497x 33497x 33497x 11217x 11217x 10730x 10730x 11217x 11217x 228x 228x 11217x 11217x 254x 254x 254x 254x 254x 1398x 1398x 1398x 1398x 1398x 1398x 8x 1398x 1390x 1390x 1390x 8x 1390x 5x 5x 5x 5x 5x 5x 5x 5x 1382x 2x 2x 2x 2x 2x 1398x 254x 254x 254x 11217x 11217x
import {Issue} from "../issue";
import * as Statements from "../abap/2_statements/statements";
import {ABAPRule} from "./_abap_rule";
import {StatementNode} from "../abap/nodes";
import {BasicRuleConfig} from "./_basic_rule_config";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
import {EditHelper} from "../edit_helper";
 
export class ExitOrCheckConf extends BasicRuleConfig {
  public allowExit: boolean = false;
  public allowCheck: boolean = false;
}
 
export class ExitOrCheck extends ABAPRule {
 
  private conf = new ExitOrCheckConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "exit_or_check",
      title: "Find EXIT or CHECK outside loops",
      shortDescription: `Detects usages of EXIT or CHECK statements outside of loops.
Use RETURN to leave procesing blocks instead.`,
      extendedInformation: `https://help.sap.com/doc/abapdocu_751_index_htm/7.51/en-US/abenleave_processing_blocks.htm
https://help.sap.com/doc/abapdocu_750_index_htm/7.50/en-US/abapcheck_processing_blocks.htm
https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#check-vs-return`,
      tags: [RuleTag.Styleguide, RuleTag.SingleFile, RuleTag.Quickfix],
    };
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: ExitOrCheckConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
 
    const stack: StatementNode[] = [];
 
    for (const statement of file.getStatements()) {
      const get = statement.get();
      if (get instanceof Statements.Loop
          || get instanceof Statements.While
          || get instanceof Statements.LoopAtScreen
          || get instanceof Statements.SelectLoop
          || get instanceof Statements.Do) {
        stack.push(statement);
      } else if (get instanceof Statements.EndLoop
          || get instanceof Statements.EndWhile
          || get instanceof Statements.EndSelect
          || get instanceof Statements.EndDo) {
        stack.pop();
      } else if (this.conf.allowCheck === false && get instanceof Statements.Check && stack.length === 0) {
        const message = "CHECK is not allowed outside of loops";
        let tokensString = statement.concatTokens();
        tokensString = tokensString.replace(/^check /i, "CHECK ");
        tokensString = tokensString.split("CHECK")[1].trim();
        const replacement = "IF NOT " + tokensString + "\n  RETURN.\nENDIF.";
        const fix = EditHelper.replaceRange(file, statement.getFirstToken().getStart(), statement.getLastToken().getEnd(), replacement);
        const issue = Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, fix);
        issues.push(issue);
      } else if (this.conf.allowExit === false && get instanceof Statements.Exit && stack.length === 0) {
        const message = "EXIT is not allowed outside of loops";
        const fix = EditHelper.replaceToken(file, statement.getFirstToken(), "RETURN");
        const issue = Issue.atStatement(file, statement, message, this.getMetadata().key, this.conf.severity, fix);
        issues.push(issue);
      }
    }
 
    return issues;
  }
 
}