All files / src/abap/5_syntax spaghetti_scope.ts

97.58% Statements 363/372
97.05% Branches 99/102
100% Functions 32/32
97.58% Lines 363/372

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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 3721x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 25287x 25287x 25287x 25287x 25287x 25287x 25287x 25287x 25287x 25287x 25287x 25287x 1x 1x 699094x 699094x 1x 1x 1x 1x 1x 1x 1x     1x 25287x 25287x 25287x 25287x 25287x 1x 1x 370614x 370614x 1x 1x 15739x 15739x 1x 1x 20466x 20466x 1x 1x 60x 60x 1x 1x 369045x 369045x 1x 1x 8489x     8489x 8489x 1x 1x 10957x 10957x 1x 1x 180x 180x 180x 559x 559x 5x 5x 5x 5x 5x 554x 554x 175x 175x 175x 1x 1x 4549x 4549x 4549x 4549x 11618x 11618x 2218x 2218x 9400x 9400x 2331x 2331x 2331x 1x 1x 83x 83x 83x 83x 318x 318x 318x 83x 83x 83x 1x 1x 83x 83x 83x 83x 318x 318x 318x 83x 83x 83x 1x 1x 16x 16x 16x 16x 38x 15x 14x 14x 15x 24x 24x 2x 2x 2x 1x 1x 1094x 1094x 1094x 1094x 3114x 3114x 465x 465x 2649x 2649x 629x 629x 629x 1x 1x 2097x 2097x 2097x 2097x 5843x 5843x 773x 773x 5070x 5070x 1324x 1324x 1324x 1x 1x 16x 16x 16x 16x 46x 46x 1x 1x 45x 45x 15x 15x 15x 1x 1x 5635x 5635x 5635x 5635x 10973x 10973x 3939x 3939x 7034x 7034x 1696x 1696x 1696x 1x 1x 5x 8x 8x 3x 3x 3x 3x 8x 2x 2x 2x 1x 1x 14x 20x 20x 20x 7x 7x 20x 7x 7x 7x 1x 1x 3x 7x 7x 2x 2x 7x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 1x 1x 1x 1x       1x 1x 1x 1x 1x 1x 1x 10957x 10957x 1x 1x 1x 3x 3x 3x 9x 3x 3x 3x 3x 3x 3x 3x 9x 3x 3x 3x 1x 1x 3x 3x 3x 17x 11x 11x 3x 3x 11x 11x 17x 3x 3x 3x 1x 1x 2x 2x 2x 6x 2x 4x 3x 3x 4x 2x 6x 2x 2x 2x 1x 1x 1997x     1997x 1997x 1x 1x 7x 7x 1x 1x 9570x 9570x 1x 1x 1x 1x 8x 8x 8x 8x 32x 32x 32x 32x 8x 8x 8x 1x 1x 8402x 8402x 1435x 1435x 6967x 6967x 8402x 6405x 6405x 4922x 4922x 6405x 2045x 2045x 8402x 1994x 1994x 51x 51x 51x 1x 1x
import {Position} from "../../position";
import {TypedIdentifier} from "../types/_typed_identifier";
import {Identifier} from "../4_file_information/_identifier";
import {IClassDefinition} from "../types/_class_definition";
import {IInterfaceDefinition} from "../types/_interface_definition";
import {IFormDefinition} from "../types/_form_definition";
import {IScopeData, IScopeIdentifier, IScopeVariable, ISpaghettiScopeNode, ISpaghettiScope} from "./_spaghetti_scope";
import {ReferenceType} from "./_reference";
import {AssertError} from "./assert_error";
 
abstract class ScopeData {
  private readonly data: IScopeData;
 
  public constructor() {
    this.data = {
      vars: {},
      cdefs: {},
      idefs: {},
      forms: [], // todo, refactor to object
      types: {},
      extraLikeTypes: {},
      deferred: {},
      references: [],
      sqlConversion: [],
    };
  }
 
  public getData(): IScopeData {
    return this.data;
  }
}
 
export class SpaghettiScopeNode extends ScopeData implements ISpaghettiScopeNode {
  private readonly identifier: IScopeIdentifier;
  private readonly children: SpaghettiScopeNode[];
  private readonly parent: SpaghettiScopeNode | undefined;
  public [Symbol.for("debug.description")](){
    return `SpaghettiSN ${this.identifier.sname} ${this.identifier.stype}`;
  }
  public constructor(identifier: IScopeIdentifier, parent: SpaghettiScopeNode | undefined) {
    super();
    this.identifier = identifier;
    this.parent = parent;
    this.children = [];
  }
 
  public getParent(): SpaghettiScopeNode | undefined {
    return this.parent;
  }
 
  public addChild(node: SpaghettiScopeNode) {
    this.children.push(node);
  }
 
  public getChildren(): SpaghettiScopeNode[] {
    return this.children;
  }
 
  public getFirstChild(): SpaghettiScopeNode | undefined {
    return this.children[0];
  }
 
  public getIdentifier(): IScopeIdentifier {
    return this.identifier;
  }
 
  public calcCoverage(): {start: Position, end: Position} {
    if (this.identifier.end === undefined) {
      throw new AssertError("internal error, caclCoverage");
    }
    return {start: this.identifier.start, end: this.identifier.end};
  }
 
  public setEnd(end: Position): void {
    this.identifier.end = end;
  }
 
  public findDeferred(name: string): {id: Identifier | undefined, ooType: "CLAS" | "INTF"} | undefined {
    let search: SpaghettiScopeNode | undefined = this;
 
    while (search !== undefined) {
      const found = search.getData().deferred[name.toUpperCase()];
      if (found) {
        return {
          id: new Identifier(found.token, search.identifier.filename),
          ooType: found.ooType,
        };
      }
      search = search.getParent();
    }
 
    return undefined;
  }
 
  public findClassDefinition(name: string): IClassDefinition | undefined {
    let search: SpaghettiScopeNode | undefined = this;
 
    const upper = name.toUpperCase();
    while (search !== undefined) {
      const c = search.getData().cdefs[upper];
      if (c !== undefined) {
        return c;
      }
      search = search.getParent();
    }
 
    return undefined;
  }
 
  public listClassDefinitions(): IClassDefinition[] {
    let search: SpaghettiScopeNode | undefined = this;
    const ret: IClassDefinition[] = [];
 
    while (search !== undefined) {
      ret.push(...Object.values(search.getData().cdefs));
      search = search.getParent();
    }
 
    return ret;
  }
 
  public listInterfaceDefinitions(): IInterfaceDefinition[] {
    let search: SpaghettiScopeNode | undefined = this;
    const ret: IInterfaceDefinition[] = [];
 
    while (search !== undefined) {
      ret.push(...Object.values(search.getData().idefs));
      search = search.getParent();
    }
 
    return ret;
  }
 
  public findFormDefinition(name: string): IFormDefinition | undefined {
    let search: SpaghettiScopeNode | undefined = this;
 
    const upper = name.toUpperCase();
    while (search !== undefined) {
      for (const form of search.getData().forms) {
        if (form.getName().toUpperCase() === upper) {
          return form;
        }
      }
      search = search.getParent();
    }
 
    return undefined;
  }
 
  public findInterfaceDefinition(name: string): IInterfaceDefinition | undefined {
    let search: SpaghettiScopeNode | undefined = this;
 
    const upper = name.toUpperCase();
    while (search !== undefined) {
      const idef = search.getData().idefs[upper];
      if (idef) {
        return idef;
      }
      search = search.getParent();
    }
 
    return undefined;
  }
 
  public findType(name: string): TypedIdentifier | undefined {
    let search: SpaghettiScopeNode | undefined = this;
 
    const upper = name.toUpperCase();
    while (search !== undefined) {
      const found = search.getData().types[upper];
      if (found) {
        return found;
      }
      search = search.getParent();
    }
 
    return undefined;
  }
 
  public findExtraLikeType(name: string): TypedIdentifier | undefined {
    let search: SpaghettiScopeNode | undefined = this;
 
    const upper = name.toUpperCase();
    while (search !== undefined) {
      const data = search.getData();
      if (data.extraLikeTypes[upper]) {
        return data.extraLikeTypes[upper];
      }
      search = search.getParent();
    }
 
    return undefined;
  }
 
  public findVariable(name: string): TypedIdentifier | undefined {
    let search: SpaghettiScopeNode | undefined = this;
 
    const upper = name.toUpperCase();
    while (search !== undefined) {
      const data = search.getData();
      if (data.vars[upper]) {
        return data.vars[upper];
      }
      search = search.getParent();
    }
 
    return undefined;
  }
 
  public findWriteReference(pos: Position): TypedIdentifier | undefined {
    for (const r of this.getData().references) {
      if (r.referenceType === ReferenceType.DataWriteReference
          && r.position.getStart().equals(pos)) {
        if (r.resolved instanceof TypedIdentifier) {
          return r.resolved;
        }
      }
    }
 
    return undefined;
  }
 
  public findTableReference(pos: Position): string | undefined {
    for (const r of this.getData().references) {
      if (r.referenceType === ReferenceType.TableReference
          && r.position.getStart().equals(pos)
          && r.resolved) {
        return r.resolved.getName();
      }
    }
 
    return undefined;
  }
 
  public findTableVoidReference(pos: Position): boolean {
    for (const r of this.getData().references) {
      if (r.referenceType === ReferenceType.TableVoidReference
          && r.position.getStart().equals(pos)) {
        return true;
      }
    }
 
    return false;
  }
 
  // this method is used in the transpiler
  public findScopeForVariable(name: string): IScopeIdentifier | undefined {
    let search: SpaghettiScopeNode | undefined = this;
    const upper = name.toUpperCase();
 
    while (search !== undefined) {
      if (search.getData().vars[upper] !== undefined) {
        return search.getIdentifier();
      }
      search = search.getParent();
    }

    return undefined;
  }
 
}
 
export class SpaghettiScope implements ISpaghettiScope {
  private readonly node: SpaghettiScopeNode;
 
  public constructor(top: SpaghettiScopeNode) {
    this.node = top;
  }
 
  // list variable definitions across all nodes
  public listDefinitions(filename: string): IScopeVariable[] {
    const ret: IScopeVariable[] = [];
 
    for (const n of this.allNodes()) {
      if (n.getIdentifier().filename === filename) {
        const vars = n.getData().vars;
        for (const v in vars) {
          if (vars[v].getFilename() === filename) {
            ret.push({name: v, identifier: vars[v]});
          }
        }
      }
    }
 
    return ret;
  }
 
  public listReadPositions(filename: string): Identifier[] {
    const ret: Identifier[] = [];
 
    for (const n of this.allNodes()) {
      if (n.getIdentifier().filename === filename) {
        for (const v of n.getData().references) {
          if (v.referenceType === ReferenceType.DataReadReference && v.position.getFilename() === filename) {
            ret.push(v.position);
          }
        }
      }
    }
 
    return ret;
  }
 
  public listWritePositions(filename: string): Identifier[] {
    const ret: Identifier[] = [];
 
    for (const n of this.allNodes()) {
      if (n.getIdentifier().filename === filename) {
        for (const v of n.getData().references) {
          if (v.referenceType === ReferenceType.DataWriteReference && v.position.getFilename() === filename) {
            ret.push(v.position);
          }
        }
      }
    }
 
    return ret;
  }
 
  public lookupPosition(p: Position | undefined, filename: string | undefined): SpaghettiScopeNode | undefined {
    if (p === undefined || filename === undefined) {
      return undefined;
    }
    return this.lookupPositionTraverse(p, filename, this.node);
  }
 
  public getFirstChild() {
    return this.node.getFirstChild();
  }
 
  public getTop(): SpaghettiScopeNode {
    return this.node;
  }
 
/////////////////////////////
 
  private allNodes(): SpaghettiScopeNode[] {
    const ret: SpaghettiScopeNode[] = [];
    const stack: SpaghettiScopeNode[] = [this.node];
 
    while (stack.length > 0) {
      const current = stack.pop()!;
      ret.push(current);
      stack.push(...current.getChildren());
    }
 
    return ret;
  }
 
  private lookupPositionTraverse(p: Position, filename: string, node: SpaghettiScopeNode): SpaghettiScopeNode | undefined {
    const coverage = node.calcCoverage();
    if (node.getIdentifier().filename === filename && p.isBetween(coverage.start, coverage.end) === false) {
      return undefined;
    }
 
    // possible optimization: binary search the nodes
    for (const c of node.getChildren()) {
      const result = this.lookupPositionTraverse(p, filename, c);
      if (result !== undefined) {
        return result;
      }
    }
 
    if (node.getIdentifier().filename === filename
        && p.isBetween(coverage.start, coverage.end)) {
      return node;
    }
 
    return undefined;
  }
 
}