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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 5713x 5713x 1x 1x 369x 369x 61x 61x 308x 308x 369x 139x 139x 169x 369x 21x 21x 21x 21x 21x 21x 4x 4x 4x 4x 4x 4x 4x 4x 1x 1x 4x 4x 4x 4x 21x 17x 17x 17x 17x 17x 21x 369x 8x 8x 8x 8x 8x 8x 8x 8x 8x 1x 1x 8x 8x 8x 8x 8x 8x 140x 140x 369x 369x 1x 1x 139x 139x 369x 94x 94x 45x 45x 369x 45x 45x 45x 1x 1x 255x 255x 255x 255x 10x 10x 255x 6x 6x 255x 6x 6x 255x 6x 6x 255x 255x 255x 255x 255x 255x 255x 255x 255x 21x 255x 234x 234x 234x 234x 234x 150x 150x 150x 234x 234x 234x 234x 27x 27x 27x 234x 234x 208x 208x 234x 234x 26x 26x 8x 8x 8x 26x 26x 234x 234x 14x 14x 14x 220x 234x 115x 115x 115x 58x 4x 4x 115x 2x 2x 2x 57x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 55x 54x 3x 3x 54x 53x 53x 54x 54x 115x 216x 234x 11x 234x 205x 205x 2x 205x 203x 203x 234x 226x 255x 4x 4x 222x 222x 222x 1x 1x 1597x 1597x 1597x 1597x 1597x 7x 7x 1597x 1597x 1x 1x 4452x 4452x 4452x 38x 38x 4414x 4414x 4452x 200x 200x 4214x 4214x 4214x 4452x 2814x 2814x 1399x 1399x 4452x 874x 874x 874x 7x 7x 7x 7x 7x 7x 874x 874x 874x 874x 525x 4452x 4452x 2x 2x 2x 523x 523x 523x 523x 523x 523x 523x 360x 360x 523x 523x 523x 1x 1x 3329x 3329x 2275x 2275x 3329x 3329x 3329x 3x 3x 3329x 3329x 3329x 1054x 8x 1054x 1046x 1046x 1046x 436x 436x 1046x 3329x 3329x 3329x 3329x 3327x 3327x 1x 1x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 628x 733x 105x 36x 105x 69x 20x 20x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 731x 66x 66x 733x 2x 2x 733x 733x 733x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 11x 15x 15x 11x 11x 11x 733x 733x 733x 92x 733x 372x 372x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 733x 24x 24x 24x 24x 733x 709x 709x 709x 616x 616x 616x 616x 709x 93x 93x 93x 5x 5x 5x 5x 93x 88x 88x 88x 88x 88x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 22x 88x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 66x 39x 39x 24x 24x 24x 24x 1x 1x 1x 49x 49x 7x 6x 6x 6x 6x 7x 49x 38x 42x 1x 1x 3x 3x 1x 1x 4326x 4326x 4326x 4326x 985x 985x 4326x 430x 430x 1x 1x 430x 4326x 388x 388x 4326x 336x 336x 4326x 4326x 4326x 3x 3x 4326x 263x 263x 4326x 4326x 4326x 52x 4326x 95x 95x 95x 95x 4x 4x 95x 2x 2x 95x 1x 1x 1x 1x 95x 95x 95x 95x 95x 95x 82x 95x 11x 13x 2x 2x 93x 95x 1x 1x 1x 1x 92x 4274x 7x 7x 7x 7x 4179x 4172x 4172x 4172x 4172x 21x 4172x 129x 129x 19x 19x 129x 13x 13x 129x 9x 9x 129x 6x 6x 129x 129x 129x 5x 129x 1x 1x 4151x 2x 2x 2x 2x 2x 2x 4022x 373x 4020x 3647x 3647x 3647x 3647x 11x 3647x 5x 2x 5x 1x 3x 2x 2x 5x 3644x 3647x 38x 38x 38x 38x 11x 11x 11x 11x 11x 38x 38x 38x 1x 1x 38x 3647x 4146x 4326x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 4146x 4146x 4146x 1x 1x 1x 1x 3867x 3867x 18x 18x 3849x 3849x 1x 1x 49x 49x 49x 49x 10x 10x 39x 39x 39x 39x 39x 1x 1x 1x 49x 49x 1x 1x 42x 42x 1x 1x 56x 56x 1x 1x 4326x 4326x 4326x 4326x 1x 1x 1x 4414x 4414x 4414x 112x 112x 112x 3x 3x 3x 4414x 4214x 4214x 197x 197x 197x 4414x 94x 94x 94x 4414x 9x 9x 9x 9x 197x 197x 197x 4414x 94x 94x 94x 94x 94x 94x 94x 4x 4x 4x 4x 4x 4x 4x 94x 90x 90x 90x 9x 9x 9x 9x 90x 13x 13x 90x 90x 90x 90x 90x 90x 90x 90x 90x 1x 1x 67x 90x 90x 65x 65x 90x 4414x 9x 9x 9x 9x 9x 9x 9x 2x 2x 2x 2x 2x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 9x 103x 94x 94x 94x 64x 64x 1x 1x 1x 64x 64x 63x 63x 63x 63x 63x 63x 63x 63x 63x 64x 94x 30x 30x 94x 94x 51x 51x 94x 94x 123x 123x 4414x 52x 52x 1x 52x 51x 52x 1x 1x 50x 50x 121x 121x 121x 1x 1x 25x 25x 25x 25x 25x 25x 25x 10x 10x 10x 8x 8x 10x 1x 1x 2x 25x 15x 15x 15x 1x 1x 1x 1x 1x 1x 1x 1x 15x 14x 14x 7x 2x 7x 1x 5x 4x 4x 4x 4x 4x 7x 7x 14x 14x 14x 14x 7x 7x 7x 7x 6x 7x 1x 1x 1x 1x 1x 25x 1x 1x 397x 397x 397x 397x 395x 50x 50x 345x 395x 212x 212x 212x 212x 212x 395x 135x 135x 397x 55x 397x 61x 80x 19x 397x 1x 1x 18x 397x 18x 18x 18x 1x 1x 257x 257x 4x 4x 253x 257x 4x 4x 249x 249x 257x 226x 226x 2x 2x 2x 6x 2x 6x 4x 4x 6x 2x 226x 224x 224x 226x 23x 23x 23x 23x 23x 23x 2x 2x 2x 2x 21x 21x 1x 1x 3646x 3646x 16x 16x 3630x 3630x 1x 1x 3647x 3647x 3647x 3647x 1x 1x 3646x 3647x 135x 135x 135x 135x 135x 3511x 3647x 3141x 3141x 370x 370x 3647x 364x 364x 6x 6x 3647x 2x 2x 4x 4x 4x 4x 4x 4x 1x 1x 505x 1x 1x 504x 505x 1x 505x 1x 1x 504x 504x 504x 1x 1x | import {TypedIdentifier} from "../types/_typed_identifier";
import {StatementNode, ExpressionNode} from "../nodes";
import * as Expressions from "../2_statements/expressions";
import * as Statements from "../2_statements/statements";
import * as Types from "../types/basic";
import {AbstractType} from "../types/basic/_abstract_type";
import {ScopeType} from "./_scope_type";
import {ObjectOriented} from "./_object_oriented";
import {ClassConstant} from "../types/class_constant";
import {Identifier as TokenIdentifier} from "../1_lexer/tokens/identifier";
import {ReferenceType} from "./_reference";
import {CharacterType, ITableKey, ObjectReferenceType, StructureType, TableAccessType, TableType, VoidType} from "../types/basic";
import {FieldChain} from "./expressions/field_chain";
import {ClassDefinition, InterfaceDefinition} from "../types";
import {Field, FieldSub, TypeTableKey} from "../2_statements/expressions";
import {BuiltIn} from "./_builtin";
import {Position} from "../../position";
import {SyntaxInput, syntaxIssue} from "./_syntax_input";
import {IObjectAndToken} from "../../_iddic_references";
export class BasicTypes {
private readonly input: SyntaxInput;
public constructor(input: SyntaxInput) {
this.input = input;
}
public lookupQualifiedName(name: string | undefined): TypedIdentifier | undefined {
// argh, todo, rewrite this entire method, more argh, again argh
if (name === undefined) {
return undefined;
}
const found = this.input.scope.findType(name);
if (found) {
return found;
}
if (name.includes("=>")) {
const split = name.split("=>");
const ooName = split[0];
const typeName = split[1];
const oo = this.input.scope.findObjectDefinition(ooName);
if (oo) {
if (typeName.includes("-")) {
const split = typeName.split("-");
const subTypeName = split[0];
const fieldName = split[1];
const stru = oo.getTypeDefinitions().getByName(subTypeName);
const struType = stru?.getType();
if (stru && struType instanceof StructureType) {
let f = struType.getComponentByName(fieldName);
if (split[2] && f instanceof StructureType) {
f = f.getComponentByName(split[2]);
}
if (f) {
return new TypedIdentifier(stru.getToken(), stru.getFilename(), f);
}
}
} else {
const f = oo.getTypeDefinitions().getByName(typeName);
if (f) {
return f;
}
}
}
} else if (name.includes("-")) {
const split = name.split("-");
const typeName = split[0];
const fieldName = split[1];
const type = this.input.scope.findType(typeName);
if (type) {
const stru = type.getType();
if (stru instanceof StructureType) {
let f = stru.getComponentByName(fieldName);
if (split[2] && f instanceof StructureType) {
f = f.getComponentByName(split[2]);
}
if (f) {
return new TypedIdentifier(type.getToken(), type.getFilename(), f);
}
}
}
}
const lookup = this.input.scope.getDDIC().lookupNoVoid(name);
const id = lookup?.object?.getIdentifier();
if (id && lookup?.type) {
return new TypedIdentifier(id.getToken(), id.getFilename(), lookup.type);
}
const builtin = this.input.scope.getDDIC().lookupBuiltinType(name);
if (builtin) {
return new TypedIdentifier(new TokenIdentifier(new Position(1, 1), name), BuiltIn.filename, builtin);
}
const type = this.input.scope.findTypePoolType(name);
if (type) {
return type;
}
return undefined;
}
public resolveLikeName(node: ExpressionNode | StatementNode | undefined, headerLogic = true): AbstractType | undefined {
if (node === undefined) {
return undefined;
}
let chain = node.findFirstExpression(Expressions.FieldChain);
if (chain === undefined) {
chain = node.findFirstExpression(Expressions.TypeName);
}
if (chain === undefined) {
chain = node.findFirstExpression(Expressions.FieldSub);
}
if (chain === undefined) {
chain = node.findFirstExpression(Expressions.SimpleFieldChain);
}
if (chain === undefined) {
chain = node.findFirstExpression(Expressions.SimpleFieldChain2);
}
if (chain === undefined) {
throw new Error("resolveLikeName, chain undefined");
}
const fullName = chain.concatTokens();
let children = [...chain.getChildren()];
if (children.length === 0) {
return new Types.UnknownType("Type error, could not resolve \"" + fullName + "\", resolveLikeName1");
}
let type: AbstractType | undefined = undefined;
if (children[1] && (children[1].getFirstToken().getStr() === "=>" || children[1].getFirstToken().getStr() === "->")) {
type = FieldChain.runSyntax(chain, this.input, ReferenceType.TypeReference);
} else {
const name = children.shift()!.getFirstToken().getStr();
let found = this.input.scope.findVariable(name);
const full = this.input.scope.findVariable(fullName); // workaround for eg "sy-repid"
if (full) {
children = [];
found = full;
}
type = found?.getType();
if (found === undefined) {
found = this.input.scope.findExtraLikeType(name);
type = found?.getType();
}
if (found) {
this.input.scope.addReference(chain?.getFirstToken(), found, ReferenceType.TypeReference, this.input.filename);
}
if (type === undefined) {
const found = this.input.scope.getDDIC().lookupNoVoid(name);
if (found !== undefined) {
const using: IObjectAndToken = {filename: this.input.filename, token: chain.getFirstToken(), object: found.object};
this.input.scope.getDDICReferences().addUsing(this.input.scope.getParentObj(), using);
}
type = found?.type;
}
if (type === undefined && this.input.scope.isAnyOO() === false && this.input.scope.getDDIC().inErrorNamespace(name) === false) {
this.input.scope.addReference(chain.getChildren()[0].getFirstToken(), undefined, ReferenceType.VoidType, this.input.filename);
return Types.VoidType.get(name);
}
while (children.length > 0) {
const child = children.shift()!;
if (child.getFirstToken().getStr() === "-") {
if (type instanceof Types.VoidType) {
return type;
}
} else if (child.concatTokens() === "[]") {
if (type instanceof Types.TableType) {
type = new TableType(type.getRowType(), {withHeader: false, keyType: Types.TableKeyType.default});
}
} else if (child instanceof ExpressionNode && child.get() instanceof Expressions.FieldLength) {
const len = parseInt(child.concatTokens().replace("(", "").replace(")", ""), 10);
if (isNaN(len)) {
type = new Types.UnknownType("Type error, invalid field length");
} else {
if (type instanceof Types.DateType) {
if (len > 8) {
type = new Types.UnknownType("Type error, offset too long");
} else {
type = new Types.CharacterType(len);
}
} else if (type instanceof Types.CharacterType) {
if (len <= type.getLength()) {
type = new Types.CharacterType(len);
} else {
type = new Types.UnknownType("Type error, offset too long");
}
}
}
} else { // field name
if (type instanceof Types.TableType) {
type = type.getRowType();
}
if (type instanceof Types.StructureType) {
type = type.getComponentByName(child.getFirstToken().getStr());
if (type === undefined) {
return new Types.UnknownType("Type error, field not part of structure " + fullName);
}
} else if (!(type instanceof Types.VoidType)) {
return new Types.UnknownType("Type error, field not part of structure " + fullName);
}
}
}
if (type instanceof Types.VoidType) {
return type;
} else if (type instanceof TableType
&& type.isWithHeader()
&& headerLogic === true) {
type = type.getRowType();
} else if (type instanceof Types.TableType
&& type.isWithHeader() === true
&& type.getRowType() instanceof Types.VoidType) {
return type.getRowType();
}
}
if (!type) {
return new Types.UnknownType("Type error, could not resolve \"" + fullName + "\", resolveLikeName2");
}
return type;
}
private cloneType(type: AbstractType, qualifiedName?: string): AbstractType {
// nested types(containing "-") will inherit the qualified names if possible
// todo, this needs to be extended to all AbstractTypes instead of just CharacterType
if (type instanceof CharacterType
&& qualifiedName
&& qualifiedName.includes("-") === false) {
type = type.cloneType({qualifiedName});
}
return type;
}
public resolveTypeName(typeName: ExpressionNode | undefined,
length?: number, decimals?: number, qualifiedName?: string): AbstractType | undefined {
if (typeName === undefined) {
return undefined;
}
const chain = this.resolveTypeChain(typeName);
if (chain) {
return this.cloneType(chain, qualifiedName);
}
const chainText = typeName.concatTokens().toUpperCase();
const f = this.input.scope.getDDIC().lookupBuiltinType(chainText, length, decimals, qualifiedName);
if (f !== undefined) {
return f;
}
const typ = this.input.scope.findType(chainText);
if (typ) {
const token = typeName.getFirstToken();
if (chainText.includes("~")) {
const name = chainText.split("~")[0];
const idef = this.input.scope.findInterfaceDefinition(name);
if (idef) {
this.input.scope.addReference(token, idef, ReferenceType.ObjectOrientedReference, this.input.filename, {ooType: "INTF", ooName: name});
}
}
this.input.scope.addReference(token, typ, ReferenceType.TypeReference, this.input.filename);
return this.cloneType(typ.getType(), qualifiedName);
}
const type = this.input.scope.findTypePoolType(chainText)?.getType();
if (type) {
// this.scope.addReference(typeName.getFirstToken(), type, ReferenceType.TypeReference, this.filename);
return type;
}
const ddic = this.input.scope.getDDIC().lookup(chainText);
if (ddic) {
this.input.scope.getDDICReferences().addUsing(this.input.scope.getParentObj(),
{object: ddic.object, token: typeName.getFirstToken(), filename: this.input.filename});
if (ddic.type instanceof TypedIdentifier) {
this.input.scope.addReference(typeName.getFirstToken(), ddic.type, ReferenceType.TypeReference, this.input.filename);
} else if (ddic.type instanceof VoidType) {
this.input.scope.addReference(typeName.getFirstToken(), undefined, ReferenceType.VoidType, this.input.filename);
}
return this.cloneType(ddic.type, qualifiedName);
}
return undefined;
}
public simpleType(node: StatementNode | ExpressionNode, qualifiedNamePrefix?: string): TypedIdentifier | undefined {
let nameExpr = node.findFirstExpression(Expressions.NamespaceSimpleName);
if (nameExpr === undefined) {
nameExpr = node.findFirstExpression(Expressions.DefinitionName);
}
if (nameExpr === undefined) {
return undefined;
}
let name = nameExpr.getFirstToken();
if (nameExpr.countTokens() > 1) { // workaround for names with dashes
name = new TokenIdentifier(name.getStart(), nameExpr.concatTokens());
}
let qualifiedName: string | undefined = undefined;
if (node.get() instanceof Statements.Type) {
if (this.input.scope.isTypePool() === true) {
qualifiedName = name.getStr();
} else {
qualifiedName = (qualifiedNamePrefix || "") + name.getStr();
if (this.input.scope.getType() === ScopeType.ClassDefinition
|| this.input.scope.getType() === ScopeType.Interface) {
qualifiedName = this.input.scope.getName() + "=>" + qualifiedName;
}
}
} else if (qualifiedNamePrefix) {
qualifiedName = qualifiedNamePrefix + qualifiedName;
}
const found = this.parseType(node, qualifiedName);
if (found) {
return new TypedIdentifier(name, this.input.filename, found);
}
return undefined;
}
public parseTable(node: ExpressionNode | StatementNode, name?: string): AbstractType | undefined {
const typename = node.findFirstExpression(Expressions.TypeName) || node.findFirstExpression(Expressions.EntityAssociation);
const text = node.findFirstExpression(Expressions.TypeTable)?.concatTokens().toUpperCase();
if (text === undefined) {
return undefined;
}
let type: Types.TableAccessType | undefined = undefined;
if (text.startsWith("TYPE STANDARD TABLE ")
|| text.startsWith("TYPE TABLE ")
|| text.startsWith("LIKE TABLE ")
|| text.startsWith("LIKE STANDARD TABLE ")) {
type = TableAccessType.standard;
} else if (text.startsWith("TYPE SORTED TABLE ")
|| text.startsWith("LIKE SORTED TABLE ")) {
type = TableAccessType.sorted;
} else if (text.startsWith("TYPE HASHED TABLE ")
|| text.startsWith("LIKE HASHED TABLE ")) {
type = TableAccessType.hashed;
}
const typeTableKeys = node.findAllExpressions(TypeTableKey);
const firstKey = typeTableKeys[0];
const isNamed = firstKey?.findDirectExpression(Field) !== undefined
&& firstKey?.findDirectExpression(Field)?.concatTokens().toUpperCase() !== "PRIMARY_KEY";
const primaryKey: ITableKey = {
name: "primary_key",
type: type || TableAccessType.standard,
isUnique: isNamed ? false : firstKey?.concatTokens().toUpperCase().includes("WITH UNIQUE ") === true,
keyFields: [],
};
let start = 1;
if (isNamed === false) {
for (const k of firstKey?.findDirectExpressions(FieldSub) || []) {
primaryKey.keyFields.push(k.concatTokens().toUpperCase());
}
} else {
start = 0;
}
const secondaryKeys: ITableKey[] = [];
for (let i = start; i < typeTableKeys.length; i++) {
const row = typeTableKeys[i];
const name = row.findDirectExpression(Field)?.concatTokens();
if (name === undefined) {
continue;
}
const secondary: ITableKey = {
name: name,
type: row.findDirectTokenByText("SORTED") ? TableAccessType.sorted : TableAccessType.hashed,
isUnique: row?.concatTokens().toUpperCase().includes("WITH UNIQUE ") === true,
keyFields: [],
};
for (const k of row?.findDirectExpressions(FieldSub) || []) {
secondary.keyFields.push(k.concatTokens().toUpperCase());
}
secondaryKeys.push(secondary);
}
let keyType = Types.TableKeyType.user;
if (text.includes(" EMPTY KEY")) {
keyType = Types.TableKeyType.empty;
} else if (text.includes(" DEFAULT KEY")) {
keyType = Types.TableKeyType.default;
}
const options: Types.ITableOptions = {
withHeader: text.includes(" WITH HEADER LINE"),
keyType: keyType,
primaryKey: primaryKey,
secondary: secondaryKeys,
};
let found: AbstractType | undefined = undefined;
if (text.startsWith("TYPE TABLE OF REF TO ")
|| text.startsWith("TYPE STANDARD TABLE OF REF TO ")
|| text.startsWith("TYPE SORTED TABLE OF REF TO ")
|| text.startsWith("TYPE HASHED TABLE OF REF TO ")) {
found = this.resolveTypeRef(typename);
if (found) {
return new Types.TableType(found, options, name);
}
} else if (text.startsWith("TYPE TABLE OF ")
|| text.startsWith("TYPE STANDARD TABLE OF ")
|| text.startsWith("TYPE SORTED TABLE OF ")
|| text.startsWith("TYPE HASHED TABLE OF ")) {
found = this.resolveTypeName(typename);
if (found) {
return new Types.TableType(found, options, name);
}
} else if (text.startsWith("LIKE TABLE OF ")
|| text.startsWith("LIKE STANDARD TABLE OF ")
|| text.startsWith("LIKE SORTED TABLE OF ")
|| text.startsWith("LIKE HASHED TABLE OF ")) {
found = this.resolveLikeName(node);
if (found) {
return new Types.TableType(found, options, name);
}
} else if (text === "TYPE STANDARD TABLE"
|| text === "TYPE SORTED TABLE"
|| text === "TYPE HASHED TABLE"
|| text === "TYPE INDEX TABLE"
|| text === "TYPE ANY TABLE") {
return new Types.TableType(Types.AnyType.get(), options);
} else if (text.startsWith("TYPE RANGE OF ")) {
const sub = node.findFirstExpression(Expressions.TypeName);
found = this.resolveTypeName(sub);
if (found === undefined) {
return new Types.UnknownType("TYPE RANGE OF, could not resolve type");
}
const structure = new Types.StructureType([
{name: "sign", type: new Types.CharacterType(1)},
{name: "option", type: new Types.CharacterType(2)},
{name: "low", type: found},
{name: "high", type: found},
]);
options.primaryKey!.type = TableAccessType.standard;
return new Types.TableType(structure, options, name);
} else if (text.startsWith("LIKE RANGE OF ")) {
const sub = node.findFirstExpression(Expressions.FieldChain);
found = this.resolveLikeName(sub);
if (found === undefined) {
return new Types.UnknownType("LIKE RANGE OF, could not resolve type");
}
const structure = new Types.StructureType([
{name: "sign", type: new Types.CharacterType(1)},
{name: "option", type: new Types.CharacterType(2)},
{name: "low", type: found},
{name: "high", type: found},
], name);
options.primaryKey!.type = TableAccessType.standard;
return new Types.TableType(structure, options);
} else if (typename && this.isRAPTableFor(text)) {
return this.rapTableFor(typename.concatTokens(), options);
}
// fallback to old style syntax, OCCURS etc
return this.parseType(node, name);
}
/** type of a RAP derived table type, ie the "TABLE FOR LOCK zentity" part of a type */
public rapTableFor(entityName: string, options?: Types.ITableOptions): AbstractType {
const ddlsName = this.resolveRAPAlias(this.getRAPBaseEntityName(entityName));
if (this.input.scope.getDDIC().lookupDDLS(ddlsName)?.type) {
return new Types.TableType(VoidType.get("RAP-TODO"), options ?? {
withHeader: false,
keyType: Types.TableKeyType.user,
primaryKey: {name: "primary_key", type: TableAccessType.standard, isUnique: false, keyFields: []},
secondary: [],
});
} else if (this.isRAPDerivedEntityName(entityName)) {
return Types.VoidType.get(entityName);
} else if (this.input.scope.getDDIC().inErrorNamespace(ddlsName)) {
return new Types.UnknownType(`DDLS ${ddlsName} not found`);
}
return Types.VoidType.get(entityName);
}
public parseType(node: ExpressionNode | StatementNode, qualifiedName?: string): AbstractType | undefined {
const typeName = node.findFirstExpression(Expressions.TypeName);
let text = node.findFirstExpression(Expressions.Type)?.concatTokens().toUpperCase();
if (text === undefined) {
text = node.findFirstExpression(Expressions.TypeParam)?.concatTokens().toUpperCase();
}
if (text === undefined) {
text = node.findFirstExpression(Expressions.TypeTable)?.concatTokens().toUpperCase();
if (text?.startsWith("TYPE") === false && text?.startsWith("LIKE") === false) {
text = "TYPE";
}
}
if (text === undefined) {
text = node.findFirstExpression(Expressions.TypeStructure)?.concatTokens().toUpperCase();
}
if (text === undefined) {
text = node.findFirstExpression(Expressions.FormParamType)?.concatTokens().toUpperCase();
}
if (text === undefined
&& node.get() instanceof Statements.Parameter
&& node.findDirectTokenByText("LIKE")) {
text = "LIKE " + typeName?.concatTokens();
}
if (text === undefined) {
text = "TYPE";
}
let found: AbstractType | undefined = undefined;
if (this.isRAPTypeStructure(text)) {
return Types.VoidType.get(node.findFirstExpression(Expressions.TypeStructure)?.concatTokens());
} else if (text.startsWith("LIKE LINE OF ")) {
let name = node.findFirstExpression(Expressions.FieldChain)?.concatTokens();
let e = node.findFirstExpression(Expressions.Type);
if (e === undefined) {
e = node.findFirstExpression(Expressions.FormParamType);
}
if (e === undefined) {
e = node.findFirstExpression(Expressions.FieldChain);
}
if (e === undefined) {
// old style, eg "LIKE LINE OF tab OCCURS 0 WITH HEADER LINE", it is parsed as TypeName
e = typeName;
name = typeName?.concatTokens();
}
const type = this.resolveLikeName(e, false);
let row: AbstractType | undefined = undefined;
if (type === undefined) {
return new Types.UnknownType("Type error, could not resolve \"" + name + "\", parseType");
} else if (type instanceof Types.TableType) {
row = type.getRowType();
} else if (type instanceof Types.VoidType) {
row = type;
} else {
return new Types.UnknownType("Type error, not a table type " + name);
}
if (this.isOccurs(node)) {
return new Types.TableType(row, {
withHeader: text.includes(" WITH HEADER LINE"),
keyType: Types.TableKeyType.default}, qualifiedName);
}
return row;
} else if (text.startsWith("LIKE REF TO ")) {
const name = node.findFirstExpression(Expressions.FieldChain)?.concatTokens();
const type = this.resolveLikeName(node.findFirstExpression(Expressions.Type), false);
if (type === undefined) {
return new Types.UnknownType("Type error, could not resolve \"" + name + "\", parseType");
}
return new Types.DataReference(type, name);
} else if (text === "TYPE STANDARD TABLE"
|| text === "TYPE SORTED TABLE"
|| text === "TYPE HASHED TABLE"
|| text === "TYPE INDEX TABLE"
|| text === "TYPE ANY TABLE") {
return new Types.TableType(Types.AnyType.get(), {withHeader: node.concatTokens().toUpperCase().includes("WITH HEADER LINE"), keyType: Types.TableKeyType.user});
} else if (text.startsWith("LIKE ")) {
let sub = node.findFirstExpression(Expressions.Type);
if (sub === undefined) {
sub = node.findFirstExpression(Expressions.FormParamType);
}
if (sub === undefined) {
sub = node.findFirstExpression(Expressions.TypeParam);
}
if (sub === undefined) {
sub = node.findFirstExpression(Expressions.TypeName);
}
if (sub === undefined) {
sub = node.findFirstExpression(Expressions.FieldChain);
}
found = this.resolveLikeName(sub);
if (found && this.isOccurs(node)) {
found = new Types.TableType(found, {withHeader: text.includes("WITH HEADER LINE"), keyType: Types.TableKeyType.default}, qualifiedName);
} else if (text.endsWith(" WITH HEADER LINE") && found instanceof Types.TableType) {
found = new Types.TableType(found.getRowType(), {withHeader: true, keyType: Types.TableKeyType.default}, qualifiedName);
}
} else if (text.startsWith("TYPE LINE OF ")) {
const sub = node.findFirstExpression(Expressions.TypeName);
found = this.resolveTypeName(sub);
if (found instanceof TypedIdentifier) {
found = found.getType();
}
if (found instanceof Types.TableType) {
return found.getRowType();
} else if (found instanceof Types.VoidType) {
return found;
} else if (found instanceof Types.UnknownType) {
return new Types.UnknownType("TYPE LINE OF, unknown type, " + found.getError());
} else {
return new Types.UnknownType("TYPE LINE OF, unexpected type, " + found?.constructor.name);
}
} else if (text.startsWith("TYPE REF TO ")) {
found = this.resolveTypeRef(typeName);
} else if (text.startsWith("TYPE")) {
found = this.resolveTypeName(typeName, this.findLength(node), this.findDecimals(node), qualifiedName);
const concat = node.concatTokens().toUpperCase();
if (found && this.isOccurs(node)) {
found = new Types.TableType(found, {withHeader: concat.includes(" WITH HEADER LINE"), keyType: Types.TableKeyType.default}, qualifiedName);
} else if (found && concat.includes(" WITH HEADER LINE")) {
if (found instanceof Types.VoidType) {
found = new Types.TableType(found, {withHeader: true, keyType: Types.TableKeyType.default});
} else if (!(found instanceof Types.TableType)) {
throw new Error("WITH HEADER LINE can only be used with internal table");
} else {
found = new Types.TableType(found.getRowType(), {withHeader: true, keyType: Types.TableKeyType.default});
}
}
if (found === undefined && typeName === undefined) {
let length = 1;
const len = node.findDirectExpression(Expressions.ConstantFieldLength);
if (len) {
const int = len.findDirectExpression(Expressions.Integer);
if (int) {
length = parseInt(int.concatTokens(), 10);
}
}
found = new Types.CharacterType(length, {qualifiedName: qualifiedName}); // fallback
if (this.isOccurs(node)) {
found = new Types.TableType(found, {withHeader: concat.includes(" WITH HEADER LINE"), keyType: Types.TableKeyType.default}, qualifiedName);
}
}
}
if (text.includes(" WITH INDICATORS ")) {
const componentName = node.findFirstExpression(Expressions.Type)
?.findDirectExpression(Expressions.ComponentName)?.concatTokens().toUpperCase();
if (componentName === undefined) {
throw new Error("parseType, componentName expected");
}
if (found instanceof Types.StructureType) {
const newComponents = [...found.getComponents()];
newComponents.push({name: componentName, type: Types.VoidType.get("INDICATORStodo")});
found = new Types.StructureType(newComponents, qualifiedName);
}
}
return found;
}
/////////////////////
private isOccurs(node: ExpressionNode | StatementNode): boolean {
if (node.findDirectTokenByText("OCCURS")) {
return true;
} else if (node.findFirstExpression(Expressions.TypeTable)?.findDirectTokenByText("OCCURS")) {
return true;
}
return false;
}
private getRAPBaseEntityName(name: string): string {
const association = name.indexOf("\\_");
const path = name.indexOf("\\\\");
const action = name.indexOf("~");
if (association === -1 && path === -1 && action === -1) {
return name;
}
const candidates = [association, path, action].filter(i => i !== -1);
const splitAt = Math.min(...candidates);
return name.substring(0, splitAt);
}
/** inside a behavior pool the entities are referenced via the aliases defined in the BDEF */
private resolveRAPAlias(name: string): string {
return this.input.scope.findBehaviorDefinition()?.findEntityNameByAlias(name) ?? name;
}
private isRAPDerivedEntityName(name: string): boolean {
return name.includes("\\") || name.includes("~");
}
private isRAPTableFor(text: string): boolean {
return text.startsWith("TYPE TABLE FOR ");
}
private isRAPTypeStructure(text: string): boolean {
return text.startsWith("TYPE STRUCTURE FOR ")
|| text.startsWith("TYPE RESPONSE FOR ")
|| text.startsWith("TYPE REQUEST FOR ");
}
// todo, rewrite this method
private resolveTypeChain(expr: ExpressionNode): AbstractType | undefined {
const chainText = expr.concatTokens().toUpperCase();
if (chainText.includes("-")) {
// workaround for stuff like "sy-repid"
const built = this.input.scope.findType(chainText);
if (built) {
this.input.scope.addReference(expr.getFirstToken(), built, ReferenceType.TypeReference, this.input.filename);
return built.getType();
}
} else if (chainText.includes("=>") === false && chainText.includes("-") === false) {
return undefined;
}
let className: string | undefined;
let rest = chainText;
if (chainText.includes("=>")) {
const split = chainText.split("=>");
className = split[0];
rest = split[1];
} else if (chainText.includes("->")) {
const split = chainText.split("->");
className = split[0];
rest = split[1];
}
const subs = rest.split("-");
let foundType: AbstractType | undefined = undefined;
if (className && chainText.includes("=>")) {
const split = chainText.split("=>");
const className = split[0];
// the prefix might be itself
if ((this.input.scope.getType() === ScopeType.Interface
|| this.input.scope.getType() === ScopeType.ClassDefinition)
&& this.input.scope.getName().toUpperCase() === className.toUpperCase()) {
const foundId = this.input.scope.findType(subs[0]);
foundType = foundId?.getType();
if (foundType === undefined) {
return new Types.UnknownType("Could not resolve type " + chainText);
}
const token = expr.getChildren()[2]?.getFirstToken();
if (token) {
this.input.scope.addReference(token, foundId, ReferenceType.TypeReference, this.input.filename);
}
} else {
// lookup in local and global scope
const obj = this.input.scope.findObjectDefinition(className);
if (obj === undefined && this.input.scope.getDDIC().inErrorNamespace(className) === false) {
this.input.scope.addReference(
expr.getFirstToken(), undefined,
ReferenceType.ObjectOrientedVoidReference, this.input.filename, {ooName: className.toUpperCase()});
return Types.VoidType.get(className);
} else if (obj === undefined) {
return new Types.UnknownType("Could not resolve top " + className + ", resolveTypeChain");
}
const type = obj instanceof ClassDefinition ? "CLAS" : "INTF";
this.input.scope.addReference(
expr.getFirstToken(), obj, ReferenceType.ObjectOrientedReference, this.input.filename,
{ooType: type, ooName: className});
const byName = new ObjectOriented(this.input.scope).searchTypeName(obj, subs[0]);
foundType = byName?.getType();
if (byName === undefined || foundType === undefined) {
return new Types.UnknownType(subs[0] + " not found in class or interface");
}
const token = expr.getChildren()[2]?.getFirstToken();
if (token) {
this.input.scope.addReference(token, byName, ReferenceType.TypeReference, this.input.filename);
}
}
} else if (className && chainText.includes("->")) {
const varVar = this.input.scope.findVariable(className);
const foo = varVar?.getType();
if (foo instanceof ObjectReferenceType) {
const typeName = subs[0];
let id = foo.getIdentifier();
if (!(id instanceof ClassDefinition || id instanceof InterfaceDefinition)) {
const found = this.input.scope.findObjectDefinition(foo.getIdentifierName());
if (found) {
id = found;
} else {
return new Types.UnknownType(foo.getIdentifierName() + " not found in scope");
}
}
if (id instanceof ClassDefinition || id instanceof InterfaceDefinition) {
const type = id instanceof ClassDefinition ? "CLAS" : "INTF";
this.input.scope.addReference(
expr.getFirstToken(), id, ReferenceType.ObjectOrientedReference, this.input.filename,
{ooType: type, ooName: id.getName()});
const byName = new ObjectOriented(this.input.scope).searchTypeName(id, typeName);
foundType = byName?.getType();
if (byName === undefined || foundType === undefined) {
return new Types.UnknownType(typeName + " not found in class or interface");
}
const token = expr.getChildren()[2]?.getFirstToken();
if (token) {
this.input.scope.addReference(token, byName, ReferenceType.TypeReference, this.input.filename);
}
} else {
return new Types.UnknownType("Not an object reference, " + className + ", " + id.constructor.name);
}
} else if (foo === undefined) {
return new Types.UnknownType(className + " not found in scope");
} else {
return new Types.UnknownType("Not an object reference, " + className + ", " + foo.constructor.name);
}
} else {
const found = this.input.scope.findType(subs[0]);
foundType = found?.getType();
if (foundType === undefined) {
const typePoolType = this.input.scope.findTypePoolType(subs[0])?.getType();
if (typePoolType) {
// this.scope.addReference(typeName.getFirstToken(), typePoolType, ReferenceType.TypeReference, this.filename);
foundType = typePoolType;
}
if (foundType === undefined) {
const f = this.input.scope.getDDIC().lookupTableOrView(subs[0]);
this.input.scope.getDDICReferences().addUsing(
this.input.scope.getParentObj(),
{object: f.object, filename: this.input.filename, token: expr.getFirstToken()});
if (f.type instanceof TypedIdentifier) {
foundType = f.type.getType();
} else {
foundType = f.type;
}
}
} else {
this.input.scope.addReference(expr.getFirstToken(), found, ReferenceType.TypeReference, this.input.filename);
}
if (foundType === undefined && this.input.scope.getDDIC().inErrorNamespace(subs[0]) === false) {
this.input.scope.addReference(expr.getFirstToken(), undefined, ReferenceType.VoidType, this.input.filename);
return Types.VoidType.get(subs[0]);
} else if (foundType instanceof Types.VoidType) {
this.input.scope.addReference(expr.getFirstToken(), undefined, ReferenceType.VoidType, this.input.filename);
return foundType;
} else if (foundType === undefined) {
return new Types.UnknownType("Unknown type " + subs[0]);
}
}
subs.shift();
while (subs.length > 0) {
if (foundType instanceof Types.UnknownType
|| foundType instanceof Types.VoidType) {
return foundType;
} else if (!(foundType instanceof Types.StructureType)) {
return new Types.UnknownType("Not a structured type");
}
foundType = foundType.getComponentByName(subs[0]);
if (foundType === undefined) {
return new Types.UnknownType(`Field "${subs[0]}" not found in structure`);
}
subs.shift();
}
return foundType;
}
private resolveConstantValue(expr: ExpressionNode): string | undefined {
// todo: rewrite this method
if (!(expr.get() instanceof Expressions.SimpleFieldChain)) {
throw new Error("resolveConstantValue");
}
const firstNode = expr.getFirstChild()!;
const firstToken = firstNode.getFirstToken();
const firstName = firstToken.getStr();
if (firstNode.get() instanceof Expressions.Field) {
const found = this.input.scope.findVariable(firstName);
const val = found?.getValue();
if (typeof val === "string") {
this.input.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.input.filename);
return val;
} else if (found?.getType() instanceof StructureType) {
this.input.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.input.filename);
}
return undefined;
} else if (firstNode.get() instanceof Expressions.ClassName
&& firstName.toLowerCase() === this.input.scope.getName().toLowerCase()
&& (this.input.scope.getType() === ScopeType.Interface
|| this.input.scope.getType() === ScopeType.ClassDefinition)) {
const children = expr.getChildren();
const token = children[2]?.getFirstToken();
const found = this.input.scope.findVariable(token.getStr());
const val = found?.getValue();
if (typeof val === "string") {
this.input.scope.addReference(firstToken, found, ReferenceType.DataReadReference, this.input.filename);
return val;
}
return undefined;
} else if (firstNode.get() instanceof Expressions.ClassName) {
const obj = this.input.scope.findObjectDefinition(firstName);
if (obj === undefined) {
if (this.input.scope.existsObject(firstName) !== undefined) {
return undefined;
} else if (this.input.scope.getDDIC().inErrorNamespace(firstName) === true) {
throw new Error("resolveConstantValue, not found: " + firstName);
} else {
this.input.scope.addReference(
firstNode.getFirstToken(), undefined,
ReferenceType.ObjectOrientedVoidReference, this.input.filename, {ooName: firstName.toUpperCase()});
return undefined;
}
}
const children = expr.getChildren();
const token = children[2]?.getFirstToken();
const attr = token.getStr();
const c = new ObjectOriented(this.input.scope).searchConstantName(obj, attr);
if (c instanceof ClassConstant) {
this.input.scope.addReference(firstToken, obj, ReferenceType.ObjectOrientedReference, this.input.filename, {ooName: obj.getName()});
this.input.scope.addReference(token, c, ReferenceType.DataReadReference, this.input.filename);
const val = c.getValue();
if (typeof val === "string") {
return val;
} else if (typeof val === "object" && children[4]) {
const name = children[4].getFirstToken().getStr();
if (val[name] !== undefined) {
return val[name];
}
}
return undefined;
}
throw new Error("resolveConstantValue, constant not found " + attr);
} else {
throw new Error("resolveConstantValue, unexpected structure");
}
}
private resolveTypeRef(chain: ExpressionNode | undefined): AbstractType | undefined {
if (chain === undefined) {
return undefined;
}
const name = chain.getFirstToken().getStr();
if (chain.getChildren().length === 1) {
if (name.toUpperCase() === "OBJECT") {
return new Types.GenericObjectReferenceType();
}
const search = this.input.scope.existsObject(name);
if (search?.id) {
this.input.scope.addReference(
chain.getFirstToken(), search.id, ReferenceType.ObjectOrientedReference, this.input.filename,
{ooType: search.ooType, ooName: name});
return new Types.ObjectReferenceType(search.id, {qualifiedName: name, RTTIName: search.RTTIName});
}
}
const found = this.resolveTypeName(chain);
if (found && found instanceof Types.VoidType) {
return found;
} else if (found && !(found instanceof Types.UnknownType)) {
return new Types.DataReference(found);
} else if (chain.concatTokens().toUpperCase() === "DATA") {
return new Types.DataReference(new Types.DataType());
}
if (this.input.scope.isBadiDef(name) === true) {
return Types.VoidType.get(name);
}
if (this.input.scope.getDDIC()?.inErrorNamespace(name) === false) {
// this.scope.addReference(chain.getFirstToken(), undefined, ReferenceType.VoidType, this.filename);
return Types.VoidType.get(name);
}
return new Types.UnknownType("REF, unable to resolve " + name);
}
public findValue(node: StatementNode | ExpressionNode): string | undefined {
const val = node.findFirstExpression(Expressions.Value);
if (val === undefined) {
throw new Error("VALUE missing in expression");
}
if (val.concatTokens().toUpperCase() === "VALUE IS INITIAL") {
return undefined;
}
const constant = val.findFirstExpression(Expressions.Constant);
if (constant) {
const conc = val.findFirstExpression(Expressions.ConcatenatedConstant);
if (conc) {
const first = conc.getFirstToken().getStr().substring(0, 1);
let result = "";
for (const token of conc.getAllTokens()) {
if (token.getStr() === "&") {
continue;
} else {
result += token.getStr().substring(1, token.getStr().length - 1);
}
}
return first + result + first;
} else {
return constant.concatTokens();
}
}
const chain = val.findFirstExpression(Expressions.SimpleFieldChain);
if (chain) {
// todo, hardcoded for now, should be a generic check that the chain is a constant
const concat = chain.concatTokens().toUpperCase();
if (concat === "SY-DATUM" || concat === "SY-UZEIT") {
const message = "VALUE, " + concat.toLowerCase() + " is not a constant";
this.input.issues.push(syntaxIssue(this.input, chain.getFirstToken(), message));
return undefined;
}
return this.resolveConstantValue(chain);
}
throw new Error("findValue, unexpected");
}
private findDecimals(node: StatementNode | ExpressionNode): number | undefined {
const dec = node.findDirectExpression(Expressions.Decimals)?.findDirectExpression(Expressions.Integer)?.concatTokens();
if (dec) {
return parseInt(dec, 10);
}
return undefined;
}
private findLength(node: StatementNode | ExpressionNode): number | undefined {
const val = node.findFirstExpression(Expressions.Length);
const flen = node.findFirstExpression(Expressions.ConstantFieldLength);
if (val && flen) {
throw new Error("Only specify length once");
}
if (flen) {
const cintExpr = flen.findFirstExpression(Expressions.Integer);
if (cintExpr) {
return this.parseInt(cintExpr.concatTokens());
}
const cchain = flen.findFirstExpression(Expressions.SimpleFieldChain);
if (cchain) {
const val = this.resolveConstantValue(cchain);
return this.parseInt(val);
}
}
if (val === undefined) {
return undefined;
}
const intExpr = val.findFirstExpression(Expressions.Integer);
if (intExpr) {
return this.parseInt(intExpr.concatTokens());
}
const strExpr = val.findFirstExpression(Expressions.ConstantString);
if (strExpr) {
return this.parseInt(strExpr.concatTokens());
}
const chain = val.findFirstExpression(Expressions.SimpleFieldChain);
if (chain) {
const val = this.resolveConstantValue(chain);
return this.parseInt(val);
}
throw new Error("Unexpected, findLength");
}
private parseInt(text: string | undefined): number | undefined {
if (text === undefined) {
return undefined;
}
if (text.startsWith("'")) {
text = text.split("'")[1];
} else if (text.startsWith("`")) {
text = text.split("`")[1];
}
return parseInt(text, 10);
}
}
|