All files / src/rules exit_or_check.ts

100% Statements 77/77
100% Branches 25/25
100% Functions 6/6
100% Lines 77/77

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 771x 1x 1x 1x 1x 1x 1x 1x 1x 18724x 18724x 18724x 18724x 1x 9363x 9363x 9363x 9363x 9363x 27931x 27931x 27931x 27931x 27931x 27931x 27931x 27931x 27931x 27931x 27931x 9363x 9363x 8898x 8898x 9363x 9363x 217x 217x 9363x 9363x 244x 244x 244x 244x 244x 1375x 1375x 1375x 1375x 1375x 1375x 18x 1375x 1357x 1357x 1357x 18x 1357x 3x 3x 3x 3x 3x 3x 3x 1339x 3x 3x 3x 3x 3x 1375x 244x 244x 244x 9363x 9363x
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.slice(statement.getFirstToken().getEnd().getCol());
        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;
  }
 
}