All files / src/abap/3_structures structure_parser.ts

100% Statements 68/68
100% Branches 19/19
100% Functions 3/3
100% Lines 68/68

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 681x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 7818x 7818x 7818x 7818x 26199x 26199x 978x 978x 25221x 25221x 7818x 7818x 7818x 1x 1x 1x 1x 7818x 7818x 381x 7818x 87x 7437x 3x 7350x 7347x 7347x 7347x 7818x 1x 1x 7818x 7818x 4x 4x 7818x 7818x 7818x 405x 405x 405x 7818x 203x 203x 203x 203x 203x 7210x 7210x 7210x 1x 1x
import {Unknown, Empty, Comment as StatementComment} from "../2_statements/statements/_statement";
import {IStructure} from "./structures/_structure";
import * as Structures from "./structures";
import {Issue} from "../../issue";
import {StructureNode, StatementNode} from "../nodes";
import {Position} from "../../position";
import {IStructureResult} from "./structure_result";
import {IStatementResult} from "../2_statements/statement_result";
import {IFile} from "../../files/_ifile";
import {Severity} from "../../severity";
import {IStructureRunnable} from "./structures/_structure_runnable";
 
export class StructureParser {
  private static readonly singletons: {[index: string]: IStructureRunnable} = {};
 
  public static run(input: IStatementResult): IStructureResult {
    const structure = this.findStructureForFile(input.file.getFilename());
 
    const filtered: StatementNode[] = [];
    for (const s of input.statements) {
      const get = s.get();
      if (get instanceof StatementComment || get instanceof Empty || get instanceof Unknown) {
        continue;
      }
      filtered.push(s);
    }
 
    return this.runFile(structure, input.file, filtered);
  }
 
//////////////////
 
  private static findStructureForFile(filename: string): IStructure {
// todo, not sure this is the right place for this logic
    if (filename.endsWith(".clas.abap")) {
      return new Structures.ClassGlobal();
    } else if (filename.endsWith(".intf.abap")) {
      return new Structures.InterfaceGlobal();
    } else if (filename.match(/\.screen\_\d+\.abap$/i)) {
      return new Structures.DynproLogic();
    } else {
// todo, add a special structure for TYPE-POOLS
      return new Structures.Any();
    }
  }
 
  private static runFile(structure: IStructure, file: IFile, statements: StatementNode[]): {issues: Issue[], node?: StructureNode} {
    const parent = new StructureNode(structure);
    if (this.singletons[structure.constructor.name] === undefined) {
      this.singletons[structure.constructor.name] = structure.getMatcher();
    }
    const result = this.singletons[structure.constructor.name].run(statements, parent);
 
    if (result.error) {
      const issue = Issue.atPosition(file, new Position(1, 1), result.errorDescription, "structure", Severity.Error);
      return {issues: [issue], node: undefined};
    }
    if (result.unmatched.length > 0) {
      const statement = result.unmatched[0];
      const descr = "Unexpected " + statement.get().constructor.name.toUpperCase();
      const issue = Issue.atPosition(file, statement.getStart(), descr, "structure", Severity.Error);
      return {issues: [issue], node: undefined};
    }
 
    return {issues: [], node: parent};
  }
 
}