All files / src/rules max_one_statement.ts

100% Statements 77/77
100% Branches 17/17
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 1x 1x 1x 8923x 8923x 8923x 8923x 8923x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 26621x 8923x 8923x 12x 12x 8923x 8923x 8485x 8485x 8923x 8923x 202x 202x 8923x 8923x 222x 222x 222x 222x 222x 1232x 1232x 1232x 1232x 78x 78x 1154x 1154x 1232x 1x 1x 1153x 1232x 12x 12x 12x 12x 12x 1153x 1153x 222x 222x 222x 8923x 8923x
import {Issue} from "../issue";
import {Comment, NativeSQL} from "../abap/2_statements/statements/_statement";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import {EditHelper} from "../edit_helper";
import {IRuleMetadata, RuleTag} from "./_irule";
import {VirtualPosition} from "../position";
import {ABAPFile} from "../abap/abap_file";
 
export class MaxOneStatementConf extends BasicRuleConfig {
}
 
export class MaxOneStatement extends ABAPRule {
 
  private conf = new MaxOneStatementConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "max_one_statement",
      title: "Max one statement per line",
      shortDescription: `Checks that each line contains only a single statement.`,
      extendedInformation:
`Does not report empty statements, use rule empty_statement for detecting empty statements.
 
Does not report anything for chained statements.
 
https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#no-more-than-one-statement-per-line
https://docs.abapopenchecks.org/checks/11/`,
      tags: [RuleTag.Styleguide, RuleTag.Quickfix, RuleTag.SingleFile],
      badExample: `WRITE foo. WRITE bar.`,
      goodExample: `WRITE foo.\nWRITE bar.`,
    };
  }
 
  private getMessage(): string {
    return "Only one statement is allowed per line";
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: MaxOneStatementConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
 
    let prev: number = 0;
    let reported: number = 0;
    for (const statement of file.getStatements()) {
      const term = statement.getTerminator();
      if (statement.get() instanceof Comment
          || statement.get() instanceof NativeSQL
          || term === ",") {
        continue;
      }
 
      const pos = statement.getStart();
      if (pos instanceof VirtualPosition) {
        continue;
      }
      const row = pos.getRow();
      if (prev === row && row !== reported && statement.getFirstToken().getStr() !== ".") {
        const fix = EditHelper.insertAt(file, pos, "\n");
        const issue = Issue.atPosition(file, pos, this.getMessage(), this.getMetadata().key, this.conf.severity, fix);
        issues.push(issue);
        reported = row;
      }
      prev = row;
    }
 
    return issues;
  }
 
}