All files / src/rules parser_702_chaining.ts

94.12% Statements 32/34
82.35% Branches 14/17
100% Functions 5/5
94.12% Lines 32/34

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 751x 1x 1x 1x 1x   1x   1x     1x 7277x     21682x                       7015x       114x       134x   134x   128x     6x 6x       6x 5x 5x 2x   3x 6x 6x     6x 6x 3x   3x     3x 3x 3x         6x      
import * as Expressions from "../abap/2_statements/expressions";
import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import {RuleTag, IRuleMetadata} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
import {Version} from "../version";
 
export class Parser702ChainingConf extends BasicRuleConfig {
}
 
export class Parser702Chaining extends ABAPRule {
  private conf = new Parser702ChainingConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "parser_702_chaining",
      title: "Parser Error, bad chanining on 702",
      shortDescription:
`ABAP on 702 does not allow for method chaining with IMPORTING/EXPORTING/CHANGING keywords,
this rule finds these and reports errors.
Only active on target version 702 and below.`,
      tags: [RuleTag.Syntax, RuleTag.SingleFile],
    };
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: Parser702ChainingConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
 
    if (this.reg.getConfig().getVersion() !== Version.v702
        && this.reg.getConfig().getVersion() !== Version.v700) {
      return [];
    }
 
    const stru = file.getStructure();
    Iif (stru === undefined) {
      return [];
    }
 
    for (const chain of stru.findAllExpressions(Expressions.MethodCallChain)) {
      const calls = chain.findDirectExpressions(Expressions.MethodCall);
      if (calls.length < 2) {
        continue;
      }
      for (const call of calls) {
        const callParam = call.findDirectExpression(Expressions.MethodCallParam);
        Iif (callParam === undefined) {
          continue;
        }
        const param = callParam.findDirectExpression(Expressions.MethodParameters);
        if (param === undefined) {
          continue;
        }
        Eif (param.findDirectTokenByText("IMPORTING")
            || param.findDirectTokenByText("CHANGING")
            || param.findDirectTokenByText("EXCEPTIONS")) {
          const message = "This kind of method chaining not possible in 702";
          const issue = Issue.atPosition(file, param.getFirstToken().getStart(), message, this.getMetadata().key, this.conf.severity);
          issues.push(issue);
        }
      }
    }
 
    return issues;
  }
 
}