All files / src/rules no_aliases.ts

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import {Issue} from "../issue";
import {BasicRuleConfig} from "./_basic_rule_config";
import {ABAPRule} from "./_abap_rule";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
import {InfoAlias} from "../abap/4_file_information/_abap_file_information";
import {Visibility} from "../abap/4_file_information/visibility";
 
export class NoAliasesConf extends BasicRuleConfig {
  /** Skip reporting aliases in private sections. */
  public ignorePrivate: boolean = false;
}
 
export class NoAliases extends ABAPRule {
  private conf = new NoAliasesConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "no_aliases",
      title: "No ALIASES",
      shortDescription: `Detects use of the ALIAS statement`,
      tags: [RuleTag.SingleFile],
      badExample: `INTERFACE lif_foo.
  METHODS long_method_name.
  ALIASES short FOR long_method_name.
ENDINTERFACE.`,
      goodExample: `INTERFACE lif_foo.
  METHODS long_method_name.
ENDINTERFACE.`,
    };
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: NoAliasesConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
 
    const message = "Do not use ALIASES";
    for (const classDef of file.getInfo().listClassDefinitions()) {
      for (const alias of classDef.aliases) {
        if (this.skipAlias(alias)) {
          continue;
        }
        issues.push(Issue.atIdentifier(alias.identifier, message, this.getMetadata().key, this.conf.severity));
      }
    }
 
    for (const interfaceDef of file.getInfo().listInterfaceDefinitions()) {
      for (const alias of interfaceDef.aliases) {
        issues.push(Issue.atIdentifier(alias.identifier, message, this.getMetadata().key, this.conf.severity));
      }
    }
 
    return issues;
  }
 
  private skipAlias(alias: InfoAlias): boolean {
    return this.conf.ignorePrivate === true && alias.visibility === Visibility.Private;
  }
 
}