All files / src/rules empty_line_in_statement.ts

98.82% Statements 84/85
88.88% Branches 24/27
100% Functions 7/7
98.82% Lines 84/85

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 79 80 81 82 83 84 851x 1x 1x 1x 1x 1x 1x 1x 1x 1x 24154x 24154x 24154x 24154x 1x 12078x 12078x 12078x 12078x 12078x 70701x 70701x 70701x 70701x 70701x 70701x 70701x 70701x 70701x 70701x 70701x 70701x 12078x 12078x 2x 2x 12078x 12078x 11536x 11536x 12078x 12078x 255x 255x 12078x 12078x 285x 285x 285x 285x 12x 12x 273x 285x 1588x 1588x 9x 9x 1588x 264x 264x 285x 6690x 23x 6690x 1424x 1424x 6690x 2x 2x 2x 2x 6690x 1423x 6690x   5244x 5244x 5244x 6690x 264x 264x 264x 12078x 12078x
import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import {Punctuation, Comment as CommentToken} from "../abap/1_lexer/tokens";
import {NativeSQL, Unknown} from "../abap/2_statements/statements/_statement";
import {EditHelper} from "../edit_helper";
import {IRuleMetadata, RuleTag} from "./_irule";
import {Position} from "../position";
import {ABAPFile} from "../abap/abap_file";
 
export class EmptyLineinStatementConf extends BasicRuleConfig {
  /** Allow changed empty lines in chanined statements */
  public allowChained: boolean = false;
}
 
export class EmptyLineinStatement extends ABAPRule {
 
  private conf = new EmptyLineinStatementConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "empty_line_in_statement",
      title: "Find empty lines in statements",
      shortDescription: `Checks that statements do not contain empty lines.`,
      extendedInformation: `https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#dont-obsess-with-separating-blank-lines
 
https://docs.abapopenchecks.org/checks/41/`,
      tags: [RuleTag.Quickfix, RuleTag.Whitespace, RuleTag.SingleFile, RuleTag.Styleguide],
      badExample: `WRITE\n\nhello.`,
      goodExample: `WRITE hello.`,
    };
  }
 
  private getMessage(): string {
    return "Remove empty line in statement";
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: EmptyLineinStatementConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
 
    const stru = file.getStructure();
    if (stru === undefined) {
      return [];
    }
 
    for (const s of file.getStatements()) {
      if (s.get() instanceof Unknown
          || s.get() instanceof NativeSQL) {
        return []; // skip the file if there are parser errors or native/sqlscript
      }
    }
 
    let prevLine: number | undefined = undefined;
    for (const t of file.getTokens()) {
      if (prevLine === undefined && t instanceof CommentToken) {
        continue;
      } else if (prevLine === undefined) {
        prevLine = t.getRow();
      }
      if (prevLine && t.getRow() - prevLine >= 2) {
        const fix = EditHelper.deleteRange(file, new Position(prevLine + 1, 1), t.getStart());
        const issue = Issue.atToken(file, t, this.getMessage(), this.getMetadata().key, this.conf.severity, fix);
        issues.push(issue);
      }
      if (t instanceof Punctuation && t.getStr() === ".") {
        prevLine = undefined;
      } else if (this.conf.allowChained === true && t instanceof Punctuation && t.getStr() === ",") {
        prevLine = undefined;
      } else {
        prevLine = t.getRow();
      }
    }
 
    return issues;
  }
 
}