All files / src/rules no_chained_assignment.ts

100% Statements 55/55
100% Branches 9/9
100% Functions 5/5
100% Lines 55/55

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 561x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 10892x 10892x 10892x 10892x 10892x 32489x 32489x 32489x 32489x 32489x 32489x 32489x 32489x 32489x 32489x 32489x 10892x 10892x 10345x 10345x 10892x 10892x 258x 258x 10892x 10892x 271x 271x 271x 1529x 1515x 1515x 14x 1529x 1x 1x 1x 1x 1529x 271x 271x 271x 10892x 10892x  
import * as Expressions from "../abap/2_statements/expressions";
import * as Statements from "../abap/2_statements/statements";
import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
 
export class NoChainedAssignmentConf extends BasicRuleConfig {
}
 
export class NoChainedAssignment extends ABAPRule {
 
  private conf = new NoChainedAssignmentConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "no_chained_assignment",
      title: "No chained assignment",
      shortDescription: `Find chained assingments and reports issues`,
      extendedInformation: `https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#dont-chain-assignments`,
      tags: [RuleTag.SingleFile, RuleTag.Styleguide],
      badExample: `var1 = var2 = var3.`,
      goodExample: `var2 = var3.
var1 = var2.`,
    };
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: NoChainedAssignmentConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
 
    for (const s of file.getStatements()) {
      if (!(s.get() instanceof Statements.Move)) {
        continue;
      }
 
      if (s.findDirectExpressions(Expressions.Target).length >= 2) {
        const message = "No chained assignment";
        const issue = Issue.atStatement(file, s, message, this.getMetadata().key);
        issues.push(issue);
      }
    }
 
    return issues;
  }
 
}