All files / src/rules try_without_catch.ts

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import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import {Try, Catch} from "../abap/3_structures/structures";
import {BasicRuleConfig} from "./_basic_rule_config";
import {Cleanup} from "../abap/2_statements/statements";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
 
export class TryWithoutCatchConf extends BasicRuleConfig {
}
 
export class TryWithoutCatch extends ABAPRule {
  private conf = new TryWithoutCatchConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "try_without_catch",
      title: "TRY without CATCH",
      shortDescription: `Checks for TRY blocks without a CATCH and CLEANUP block`,
      badExample: `TRY.\n  WRITE 'hello world'.\nENDTRY.`,
      tags: [RuleTag.SingleFile],
    };
  }
 
  private getMessage(): string {
    return "A TRY block must have a corresponding CATCH or CLEANUP block.";
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: TryWithoutCatchConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
 
    const stru = file.getStructure();
    if (stru === undefined) {
      return [];
    }
 
    const tries = stru.findAllStructures(Try);
 
    for (const t of tries) {
      const clean = t.findDirectStatements(Cleanup);
      const c = t.findDirectStructures(Catch);
      if (c.length === 0 && clean.length === 0) {
        const issue = Issue.atToken(file, t.getFirstToken(), this.getMessage(), this.getMetadata().key, this.conf.severity);
        issues.push(issue);
      }
    }
 
    return issues;
  }
}