All files / src/rules superfluous_value.ts

92.4% Statements 73/79
76.19% Branches 16/21
100% Functions 5/5
92.4% Lines 73/79

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 78 791x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 8922x 8922x 8922x 8922x 187824x 187824x 187824x 187824x 187824x 187824x 187824x 187824x 187824x 187824x 8922x 8922x 8485x 8485x 8922x 8922x 202x 202x 8922x 8922x 217x 217x 217x 217x     217x 217x 217x 12x 12x 205x 217x 9x 7x 7x 2x 2x 9x     2x 9x 9x 1x 1x 1x 1x 9x     1x 1x 1x 1x 1x 1x 9x 205x 205x 205x 8922x 8922x
import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import * as Expressions from "../abap/2_statements/expressions";
import * as Statements from "../abap/2_statements/statements";
import {IRuleMetadata, RuleTag} from "./_irule";
import {Version} from "../version";
import {ABAPFile} from "../abap/abap_file";
 
export class SuperfluousValueConf extends BasicRuleConfig {
}
 
export class SuperfluousValue extends ABAPRule {
  private conf = new SuperfluousValueConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "superfluous_value",
      title: "Superfluous VALUE",
      shortDescription: `Find superfluous VALUE expressions`,
      extendedInformation: `Left hand side is inline, VALUE is inferred, value body is simple, from v740sp02 and up`,
      tags: [RuleTag.SingleFile],
      badExample: `DATA(message_entry) = VALUE #( message_table[ msgno = msgno ] ).`,
      goodExample: `DATA(message_entry) = message_table[ msgno = msgno ].`,
    };
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: SuperfluousValueConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const output: Issue[] = [];
 
    if (this.reg.getConfig().getVersion() < Version.v740sp02
        && this.reg.getConfig().getVersion() !== Version.Cloud) {
      return [];
    }
 
    const struc = file.getStructure();
    if (struc === undefined) {
      return []; // syntax error
    }
 
    for (const m of struc.findAllStatements(Statements.Move)) {
      if (m.findDirectExpression(Expressions.Target)?.findDirectExpression(Expressions.InlineData) === undefined) {
        continue;
      }
 
      const source = m.findDirectExpression(Expressions.Source);
      if (source === undefined) {
        continue;
      }
 
      const type = source.findDirectExpression(Expressions.TypeNameOrInfer)?.concatTokens();
      if (type !== "#") {
        continue;
      }
 
      const body = source.findDirectExpression(Expressions.ValueBody);
      if (body === undefined) {
        continue;
      }
 
      if (body.getChildren().length === 1) {
        const message = "Superfluous VALUE expression";
        const issue = Issue.atStatement(file, m, message, this.getMetadata().key, this.conf.severity);
        output.push(issue);
      }
    }
 
    return output;
  }
 
}