All files / src/rules classic_exceptions_overlap.ts

97.14% Statements 68/70
85.71% Branches 12/14
100% Functions 5/5
97.14% Lines 68/70

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 701x 1x 1x 1x 1x 1x 1x 1x 1x 1x 9365x 9365x 9365x 9365x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 27925x 9365x 9365x 8901x 8901x 9365x 9365x 216x 216x 9365x 9365x 236x 236x 236x 236x 12x 12x 224x 236x 4x 4x 10x 10x     10x 3x 3x 3x 3x 3x 7x 7x 4x 224x 224x 224x 9365x 9365x
import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import * as Expressions from "../abap/2_statements/expressions";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
 
export class ClassicExceptionsOverlapConf extends BasicRuleConfig {
}
 
export class ClassicExceptionsOverlap extends ABAPRule {
  private conf = new ClassicExceptionsOverlapConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "classic_exceptions_overlap",
      title: "Classic exceptions overlap when catching",
      shortDescription: `Find overlapping classic exceptions`,
      extendedInformation: `When debugging its typically good to know exactly which exception is caught`,
      tags: [RuleTag.SingleFile],
      badExample: `  EXCEPTIONS
    system_failure        = 1 MESSAGE lv_message
    communication_failure = 1 MESSAGE lv_message
    resource_failure      = 1
    OTHERS                = 1.`,
      goodExample: `  EXCEPTIONS
    system_failure        = 1 MESSAGE lv_message
    communication_failure = 2 MESSAGE lv_message
    resource_failure      = 3
    OTHERS                = 4.`,
    };
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: ClassicExceptionsOverlapConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const output: Issue[] = [];
 
    const struc = file.getStructure();
    if (struc === undefined) {
      return []; // syntax error
    }
 
    for (const p of struc.findAllExpressions(Expressions.ParameterListExceptions)) {
      const set = new Set<string>();
      for (const e of p.findAllExpressions(Expressions.ParameterException)) {
        const text = e.findDirectExpression(Expressions.SimpleName)?.concatTokens().toUpperCase();
        if (text === undefined) {
          continue;
        }
        if (set.has(text)) {
          const message = "Exception overlap, " + text;
          const issue = Issue.atToken(file, e.getFirstToken(), message, this.getMetadata().key, this.getConfig().severity);
          output.push(issue);
          break;
        }
        set.add(text);
      }
    }
 
    return output;
  }
 
}