All files / src/rules omit_parameter_name.ts

88.37% Statements 114/129
75.6% Branches 31/41
100% Functions 7/7
88.37% Lines 114/129

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 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 1291x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 9369x 9369x 9369x 9369x 9369x 27926x 27926x 27926x 27926x 27926x 27926x 27926x 27926x 27926x 27926x 27926x 27926x 27926x 9369x 9369x 226x 226x 226x 9369x 9369x 8902x 8902x 9369x 9369x 216x 216x 9369x 9369x 285x 285x 70x 70x 215x 215x 215x 285x 222x 222x 12x 12x 210x 222x 16x     16x 16x 16x 11x 11x 5x 16x     5x 16x     5x 5x 16x     5x 5x 16x 1x 1x 16x 16x 16x 4x 4x 4x 4x 4x 4x     4x 16x 210x 215x 215x 215x 9369x 9369x 9369x 9369x 5x 5x     5x 5x 12x 7x 12x 5x 5x 5x 12x       9369x 9369x
import {Issue} from "../issue";
import {BasicRuleConfig} from "./_basic_rule_config";
import {IRule, IRuleMetadata, RuleTag} from "./_irule";
import {IRegistry} from "../_iregistry";
import * as Expressions from "../abap/2_statements/expressions";
import {IObject} from "../objects/_iobject";
import {ABAPObject} from "../objects/_abap_object";
import {SyntaxLogic} from "../abap/5_syntax/syntax";
import {Token} from "../abap/1_lexer/tokens/_token";
import {ISpaghettiScope} from "../abap/5_syntax/_spaghetti_scope";
import {ReferenceType} from "../abap/5_syntax/_reference";
import {MethodDefinition} from "../abap/types/method_definition";
import {EditHelper} from "../edit_helper";
 
export class OmitParameterNameConf extends BasicRuleConfig {
}
 
export class OmitParameterName implements IRule {
  private reg: IRegistry;
  private conf = new OmitParameterNameConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "omit_parameter_name",
      title: "Omit parameter name",
      shortDescription: `Omit the parameter name in single parameter calls`,
      extendedInformation: `
https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#omit-the-parameter-name-in-single-parameter-calls
 
EXPORTING must already be omitted for this rule to take effect, https://rules.abaplint.org/exporting/`,
      tags: [RuleTag.Styleguide, RuleTag.Quickfix],
      badExample: `method( param = 2 ).`,
      goodExample: `method( 2 ).`,
    };
  }
 
  public initialize(reg: IRegistry) {
    this.reg = reg;
    return this;
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: OmitParameterNameConf) {
    this.conf = conf;
  }
 
  public run(obj: IObject): Issue[] {
    const issues: Issue[] = [];
    if (!(obj instanceof ABAPObject) || obj.getType() === "INTF") {
      return [];
    }
 
    const spaghetti = new SyntaxLogic(this.reg, obj).run().spaghetti;
 
    for (const file of obj.getABAPFiles()) {
      const stru = file.getStructure();
      if (stru === undefined) {
        continue;
      }
 
      for (const c of stru.findAllExpressions(Expressions.MethodCall)) {
        if (c.findFirstExpression(Expressions.MethodParameters)) {
          continue;
        }
        // hmm, this will break for nested method calls?
        const parameters = c.findAllExpressions(Expressions.ParameterS);
        if (parameters.length > 1 || parameters.length === 0) {
          continue;
        }
        const name = c.findDirectExpression(Expressions.MethodName);
        if (name === undefined) {
          continue;
        }
        const param = c.findDirectExpression(Expressions.MethodCallParam);
        if (param === undefined) {
          continue;
        }
 
        const ref = this.findMethodReference(name.getFirstToken(), spaghetti, file.getFilename());
        if (ref === undefined) {
          continue;
        }
 
        const i = ref.getParameters().getDefaultImporting();
        if (i === undefined) {
          continue;
        }
        const p = parameters[0].findDirectExpression(Expressions.ParameterName)?.getFirstToken();
 
        if (p?.getStr().toUpperCase() === i.toUpperCase()) {
          const message = "Omit default parameter name \"" + i + "\"";
          const end = parameters[0].findDirectExpression(Expressions.Source)?.getFirstToken().getStart();
          if (end) {
            const fix = EditHelper.deleteRange(file, p.getStart(), end);
            issues.push(Issue.atRange(file, p.getStart(), end, message, this.getMetadata().key, this.getConfig().severity, fix));
          } else {
            issues.push(Issue.atToken(file, name.getFirstToken(), message, this.getMetadata().key, this.getConfig().severity));
          }
        }
      }
    }
 
    return issues;
  }
 
///////////////////
 
  private findMethodReference(token: Token, spaghetti: ISpaghettiScope, filename: string): undefined | MethodDefinition {
    const scope = spaghetti.lookupPosition(token.getStart(), filename);
    if (scope === undefined) {
      return undefined;
    }
 
    for (const r of scope.getData().references) {
      if (r.referenceType !== ReferenceType.MethodReference) {
        continue;
      } else if (r.position.getStart().equals(token.getStart())
          && r.resolved instanceof MethodDefinition) {
        return r.resolved;
      }
    }

    return undefined;
  }
 
}