All files / src/rules ambiguous_statement.ts

97.77% Statements 88/90
94.11% Branches 16/17
100% Functions 7/7
97.77% Lines 88/90

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 901x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 10502x 10502x 10502x 10502x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 31327x 10502x 10502x 2x 2x 10502x 10502x 9969x 9969x 10502x 10502x 251x 251x 10502x 10502x 272x 272x 272x     272x 272x 1502x 1502x 1502x 1x 1502x 3x 1501x 1x 1498x 2x 2x 1502x 1502x 2x 2x 2x 1502x 1502x 272x 272x 272x 10502x 10502x 7x 7x 7x 7x 7x 7x 7x 7x 7x 10502x 10502x
import {Issue} from "../issue";
import * as Statements from "../abap/2_statements/statements";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import {StatementNode} from "../abap/nodes";
import {IStatement} from "../abap/2_statements/statements/_statement";
import {Combi} from "../abap/2_statements/combi";
import {IRegistry} from "../_iregistry";
import {Version} from "../version";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
 
export class AmbiguousStatementConf extends BasicRuleConfig {
}
 
export class AmbiguousStatement extends ABAPRule {
  private conf = new AmbiguousStatementConf();
 
  public getMetadata(): IRuleMetadata {
    return {
      key: "ambiguous_statement",
      title: "Check for ambigious statements",
      shortDescription: `Checks for ambiguity between deleting or modifying from internal and database table
Add "TABLE" keyword or "@" for escaping SQL variables
 
Only works if the target version is 740sp05 or above`,
      tags: [RuleTag.SingleFile],
      badExample: `DELETE foo FROM bar.
MODIFY foo FROM bar.`,
      goodExample: `DELETE foo FROM @bar.
DELETE TABLE itab FROM 2.
MODIFY zfoo FROM @wa.
MODIFY TABLE foo FROM bar.`,
    };
  }
 
  private getMessage(): string {
    return "Ambiguous statement. Use explicit syntax.";
  }
 
  public getConfig() {
    return this.conf;
  }
 
  public setConfig(conf: AmbiguousStatementConf) {
    this.conf = conf;
  }
 
  public runParsed(file: ABAPFile) {
    const issues: Issue[] = [];
 
    if (this.reg.getConfig().getVersion() < Version.v740sp05) {
      return [];
    }
 
    for (const statement of file.getStatements()) {
      let match = false;
 
      if (statement.get() instanceof Statements.DeleteDatabase) {
        match = this.tryMatch(statement, this.reg, Statements.DeleteInternal);
      } else if (statement.get() instanceof Statements.DeleteInternal) {
        match = this.tryMatch(statement, this.reg, Statements.DeleteDatabase);
      } else if (statement.get() instanceof Statements.ModifyInternal) {
        match = this.tryMatch(statement, this.reg, Statements.ModifyDatabase);
      } else if (statement.get() instanceof Statements.ModifyDatabase) {
        match = this.tryMatch(statement, this.reg, Statements.ModifyInternal);
      }
 
      if (match) {
        const issue = Issue.atStatement(file, statement, this.getMessage(), this.getMetadata().key, this.conf.severity);
        issues.push(issue);
      }
 
    }
 
    return issues;
  }
 
  private tryMatch(st: StatementNode, reg: IRegistry, type1: new () => IStatement): boolean {
    const ver = reg.getConfig().getVersion();
 
    const tokens = st.getTokens().slice(0);
    tokens.pop();
 
    const match = Combi.run(new type1().getMatcher(), tokens, ver);
 
    return match !== undefined;
  }
 
}