1 | import _extends from "@babel/runtime/helpers/extends";
|
2 | import { factory } from '../utils/factory.js';
|
3 | import { isAccessorNode, isConstantNode, isFunctionNode, isOperatorNode, isSymbolNode } from '../utils/is.js';
|
4 | import { deepMap } from '../utils/collection.js';
|
5 | import { hasOwnProperty } from '../utils/object.js';
|
6 | var name = 'parse';
|
7 | var dependencies = ['typed', 'numeric', 'config', 'AccessorNode', 'ArrayNode', 'AssignmentNode', 'BlockNode', 'ConditionalNode', 'ConstantNode', 'FunctionAssignmentNode', 'FunctionNode', 'IndexNode', 'ObjectNode', 'OperatorNode', 'ParenthesisNode', 'RangeNode', 'RelationalNode', 'SymbolNode'];
|
8 | export var createParse = factory(name, dependencies, _ref => {
|
9 | var {
|
10 | typed,
|
11 | numeric,
|
12 | config,
|
13 | AccessorNode,
|
14 | ArrayNode,
|
15 | AssignmentNode,
|
16 | BlockNode,
|
17 | ConditionalNode,
|
18 | ConstantNode,
|
19 | FunctionAssignmentNode,
|
20 | FunctionNode,
|
21 | IndexNode,
|
22 | ObjectNode,
|
23 | OperatorNode,
|
24 | ParenthesisNode,
|
25 | RangeNode,
|
26 | RelationalNode,
|
27 | SymbolNode
|
28 | } = _ref;
|
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 | var parse = typed(name, {
|
70 | string: function string(expression) {
|
71 | return parseStart(expression, {});
|
72 | },
|
73 | 'Array | Matrix': function ArrayMatrix(expressions) {
|
74 | return parseMultiple(expressions, {});
|
75 | },
|
76 | 'string, Object': function stringObject(expression, options) {
|
77 | var extraNodes = options.nodes !== undefined ? options.nodes : {};
|
78 | return parseStart(expression, extraNodes);
|
79 | },
|
80 | 'Array | Matrix, Object': parseMultiple
|
81 | });
|
82 |
|
83 | function parseMultiple(expressions) {
|
84 | var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
|
85 | var extraNodes = options.nodes !== undefined ? options.nodes : {};
|
86 |
|
87 | return deepMap(expressions, function (elem) {
|
88 | if (typeof elem !== 'string') throw new TypeError('String expected');
|
89 | return parseStart(elem, extraNodes);
|
90 | });
|
91 | }
|
92 |
|
93 |
|
94 | var TOKENTYPE = {
|
95 | NULL: 0,
|
96 | DELIMITER: 1,
|
97 | NUMBER: 2,
|
98 | SYMBOL: 3,
|
99 | UNKNOWN: 4
|
100 | };
|
101 |
|
102 | var DELIMITERS = {
|
103 | ',': true,
|
104 | '(': true,
|
105 | ')': true,
|
106 | '[': true,
|
107 | ']': true,
|
108 | '{': true,
|
109 | '}': true,
|
110 | '"': true,
|
111 | '\'': true,
|
112 | ';': true,
|
113 | '+': true,
|
114 | '-': true,
|
115 | '*': true,
|
116 | '.*': true,
|
117 | '/': true,
|
118 | './': true,
|
119 | '%': true,
|
120 | '^': true,
|
121 | '.^': true,
|
122 | '~': true,
|
123 | '!': true,
|
124 | '&': true,
|
125 | '|': true,
|
126 | '^|': true,
|
127 | '=': true,
|
128 | ':': true,
|
129 | '?': true,
|
130 | '==': true,
|
131 | '!=': true,
|
132 | '<': true,
|
133 | '>': true,
|
134 | '<=': true,
|
135 | '>=': true,
|
136 | '<<': true,
|
137 | '>>': true,
|
138 | '>>>': true
|
139 | };
|
140 |
|
141 | var NAMED_DELIMITERS = {
|
142 | mod: true,
|
143 | to: true,
|
144 | in: true,
|
145 | and: true,
|
146 | xor: true,
|
147 | or: true,
|
148 | not: true
|
149 | };
|
150 | var CONSTANTS = {
|
151 | true: true,
|
152 | false: false,
|
153 | null: null,
|
154 | undefined
|
155 | };
|
156 | var NUMERIC_CONSTANTS = ['NaN', 'Infinity'];
|
157 |
|
158 | function initialState() {
|
159 | return {
|
160 | extraNodes: {},
|
161 |
|
162 | expression: '',
|
163 |
|
164 | comment: '',
|
165 |
|
166 | index: 0,
|
167 |
|
168 | token: '',
|
169 |
|
170 | tokenType: TOKENTYPE.NULL,
|
171 |
|
172 | nestingLevel: 0,
|
173 |
|
174 | conditionalLevel: null
|
175 |
|
176 | };
|
177 | }
|
178 | |
179 |
|
180 |
|
181 |
|
182 |
|
183 |
|
184 |
|
185 |
|
186 |
|
187 |
|
188 | function currentString(state, length) {
|
189 | return state.expression.substr(state.index, length);
|
190 | }
|
191 | |
192 |
|
193 |
|
194 |
|
195 |
|
196 |
|
197 |
|
198 |
|
199 |
|
200 | function currentCharacter(state) {
|
201 | return currentString(state, 1);
|
202 | }
|
203 | |
204 |
|
205 |
|
206 |
|
207 |
|
208 |
|
209 |
|
210 |
|
211 | function next(state) {
|
212 | state.index++;
|
213 | }
|
214 | |
215 |
|
216 |
|
217 |
|
218 |
|
219 |
|
220 |
|
221 | function prevCharacter(state) {
|
222 | return state.expression.charAt(state.index - 1);
|
223 | }
|
224 | |
225 |
|
226 |
|
227 |
|
228 |
|
229 |
|
230 |
|
231 | function nextCharacter(state) {
|
232 | return state.expression.charAt(state.index + 1);
|
233 | }
|
234 | |
235 |
|
236 |
|
237 |
|
238 |
|
239 |
|
240 |
|
241 | function getToken(state) {
|
242 | state.tokenType = TOKENTYPE.NULL;
|
243 | state.token = '';
|
244 | state.comment = '';
|
245 |
|
246 | while (true) {
|
247 |
|
248 | if (currentCharacter(state) === '#') {
|
249 | while (currentCharacter(state) !== '\n' && currentCharacter(state) !== '') {
|
250 | state.comment += currentCharacter(state);
|
251 | next(state);
|
252 | }
|
253 | }
|
254 |
|
255 |
|
256 | if (parse.isWhitespace(currentCharacter(state), state.nestingLevel)) {
|
257 | next(state);
|
258 | } else {
|
259 | break;
|
260 | }
|
261 | }
|
262 |
|
263 |
|
264 | if (currentCharacter(state) === '') {
|
265 |
|
266 | state.tokenType = TOKENTYPE.DELIMITER;
|
267 | return;
|
268 | }
|
269 |
|
270 |
|
271 | if (currentCharacter(state) === '\n' && !state.nestingLevel) {
|
272 | state.tokenType = TOKENTYPE.DELIMITER;
|
273 | state.token = currentCharacter(state);
|
274 | next(state);
|
275 | return;
|
276 | }
|
277 |
|
278 | var c1 = currentCharacter(state);
|
279 | var c2 = currentString(state, 2);
|
280 | var c3 = currentString(state, 3);
|
281 |
|
282 | if (c3.length === 3 && DELIMITERS[c3]) {
|
283 | state.tokenType = TOKENTYPE.DELIMITER;
|
284 | state.token = c3;
|
285 | next(state);
|
286 | next(state);
|
287 | next(state);
|
288 | return;
|
289 | }
|
290 |
|
291 |
|
292 | if (c2.length === 2 && DELIMITERS[c2]) {
|
293 | state.tokenType = TOKENTYPE.DELIMITER;
|
294 | state.token = c2;
|
295 | next(state);
|
296 | next(state);
|
297 | return;
|
298 | }
|
299 |
|
300 |
|
301 | if (DELIMITERS[c1]) {
|
302 | state.tokenType = TOKENTYPE.DELIMITER;
|
303 | state.token = c1;
|
304 | next(state);
|
305 | return;
|
306 | }
|
307 |
|
308 |
|
309 | if (parse.isDigitDot(c1)) {
|
310 | state.tokenType = TOKENTYPE.NUMBER;
|
311 |
|
312 | var _c = currentString(state, 2);
|
313 |
|
314 | if (_c === '0b' || _c === '0o' || _c === '0x') {
|
315 | state.token += currentCharacter(state);
|
316 | next(state);
|
317 | state.token += currentCharacter(state);
|
318 | next(state);
|
319 |
|
320 | while (parse.isHexDigit(currentCharacter(state))) {
|
321 | state.token += currentCharacter(state);
|
322 | next(state);
|
323 | }
|
324 |
|
325 | if (currentCharacter(state) === '.') {
|
326 |
|
327 | state.token += '.';
|
328 | next(state);
|
329 |
|
330 | while (parse.isHexDigit(currentCharacter(state))) {
|
331 | state.token += currentCharacter(state);
|
332 | next(state);
|
333 | }
|
334 | } else if (currentCharacter(state) === 'i') {
|
335 |
|
336 | state.token += 'i';
|
337 | next(state);
|
338 |
|
339 | while (parse.isDigit(currentCharacter(state))) {
|
340 | state.token += currentCharacter(state);
|
341 | next(state);
|
342 | }
|
343 | }
|
344 |
|
345 | return;
|
346 | }
|
347 |
|
348 |
|
349 | if (currentCharacter(state) === '.') {
|
350 | state.token += currentCharacter(state);
|
351 | next(state);
|
352 |
|
353 | if (!parse.isDigit(currentCharacter(state))) {
|
354 |
|
355 | state.tokenType = TOKENTYPE.DELIMITER;
|
356 | return;
|
357 | }
|
358 | } else {
|
359 | while (parse.isDigit(currentCharacter(state))) {
|
360 | state.token += currentCharacter(state);
|
361 | next(state);
|
362 | }
|
363 |
|
364 | if (parse.isDecimalMark(currentCharacter(state), nextCharacter(state))) {
|
365 | state.token += currentCharacter(state);
|
366 | next(state);
|
367 | }
|
368 | }
|
369 |
|
370 | while (parse.isDigit(currentCharacter(state))) {
|
371 | state.token += currentCharacter(state);
|
372 | next(state);
|
373 | }
|
374 |
|
375 |
|
376 | if (currentCharacter(state) === 'E' || currentCharacter(state) === 'e') {
|
377 | if (parse.isDigit(nextCharacter(state)) || nextCharacter(state) === '-' || nextCharacter(state) === '+') {
|
378 | state.token += currentCharacter(state);
|
379 | next(state);
|
380 |
|
381 | if (currentCharacter(state) === '+' || currentCharacter(state) === '-') {
|
382 | state.token += currentCharacter(state);
|
383 | next(state);
|
384 | }
|
385 |
|
386 |
|
387 | if (!parse.isDigit(currentCharacter(state))) {
|
388 | throw createSyntaxError(state, 'Digit expected, got "' + currentCharacter(state) + '"');
|
389 | }
|
390 |
|
391 | while (parse.isDigit(currentCharacter(state))) {
|
392 | state.token += currentCharacter(state);
|
393 | next(state);
|
394 | }
|
395 |
|
396 | if (parse.isDecimalMark(currentCharacter(state), nextCharacter(state))) {
|
397 | throw createSyntaxError(state, 'Digit expected, got "' + currentCharacter(state) + '"');
|
398 | }
|
399 | } else if (nextCharacter(state) === '.') {
|
400 | next(state);
|
401 | throw createSyntaxError(state, 'Digit expected, got "' + currentCharacter(state) + '"');
|
402 | }
|
403 | }
|
404 |
|
405 | return;
|
406 | }
|
407 |
|
408 |
|
409 | if (parse.isAlpha(currentCharacter(state), prevCharacter(state), nextCharacter(state))) {
|
410 | while (parse.isAlpha(currentCharacter(state), prevCharacter(state), nextCharacter(state)) || parse.isDigit(currentCharacter(state))) {
|
411 | state.token += currentCharacter(state);
|
412 | next(state);
|
413 | }
|
414 |
|
415 | if (hasOwnProperty(NAMED_DELIMITERS, state.token)) {
|
416 | state.tokenType = TOKENTYPE.DELIMITER;
|
417 | } else {
|
418 | state.tokenType = TOKENTYPE.SYMBOL;
|
419 | }
|
420 |
|
421 | return;
|
422 | }
|
423 |
|
424 |
|
425 | state.tokenType = TOKENTYPE.UNKNOWN;
|
426 |
|
427 | while (currentCharacter(state) !== '') {
|
428 | state.token += currentCharacter(state);
|
429 | next(state);
|
430 | }
|
431 |
|
432 | throw createSyntaxError(state, 'Syntax error in part "' + state.token + '"');
|
433 | }
|
434 | |
435 |
|
436 |
|
437 |
|
438 |
|
439 | function getTokenSkipNewline(state) {
|
440 | do {
|
441 | getToken(state);
|
442 | } while (state.token === '\n');
|
443 |
|
444 | }
|
445 | |
446 |
|
447 |
|
448 |
|
449 |
|
450 |
|
451 | function openParams(state) {
|
452 | state.nestingLevel++;
|
453 | }
|
454 | |
455 |
|
456 |
|
457 |
|
458 |
|
459 |
|
460 | function closeParams(state) {
|
461 | state.nestingLevel--;
|
462 | }
|
463 | |
464 |
|
465 |
|
466 |
|
467 |
|
468 |
|
469 |
|
470 |
|
471 |
|
472 |
|
473 |
|
474 |
|
475 |
|
476 |
|
477 |
|
478 |
|
479 |
|
480 |
|
481 |
|
482 |
|
483 | parse.isAlpha = function isAlpha(c, cPrev, cNext) {
|
484 | return parse.isValidLatinOrGreek(c) || parse.isValidMathSymbol(c, cNext) || parse.isValidMathSymbol(cPrev, c);
|
485 | };
|
486 | |
487 |
|
488 |
|
489 |
|
490 |
|
491 |
|
492 |
|
493 | parse.isValidLatinOrGreek = function isValidLatinOrGreek(c) {
|
494 | return /^[a-zA-Z_$\u00C0-\u02AF\u0370-\u03FF\u2100-\u214F]$/.test(c);
|
495 | };
|
496 | |
497 |
|
498 |
|
499 |
|
500 |
|
501 |
|
502 |
|
503 |
|
504 |
|
505 |
|
506 |
|
507 |
|
508 |
|
509 |
|
510 |
|
511 |
|
512 |
|
513 | parse.isValidMathSymbol = function isValidMathSymbol(high, low) {
|
514 | return /^[\uD835]$/.test(high) && /^[\uDC00-\uDFFF]$/.test(low) && /^[^\uDC55\uDC9D\uDCA0\uDCA1\uDCA3\uDCA4\uDCA7\uDCA8\uDCAD\uDCBA\uDCBC\uDCC4\uDD06\uDD0B\uDD0C\uDD15\uDD1D\uDD3A\uDD3F\uDD45\uDD47-\uDD49\uDD51\uDEA6\uDEA7\uDFCC\uDFCD]$/.test(low);
|
515 | };
|
516 | |
517 |
|
518 |
|
519 |
|
520 |
|
521 |
|
522 |
|
523 |
|
524 | parse.isWhitespace = function isWhitespace(c, nestingLevel) {
|
525 |
|
526 | return c === ' ' || c === '\t' || c === '\n' && nestingLevel > 0;
|
527 | };
|
528 | |
529 |
|
530 |
|
531 |
|
532 |
|
533 |
|
534 |
|
535 |
|
536 |
|
537 | parse.isDecimalMark = function isDecimalMark(c, cNext) {
|
538 | return c === '.' && cNext !== '/' && cNext !== '*' && cNext !== '^';
|
539 | };
|
540 | |
541 |
|
542 |
|
543 |
|
544 |
|
545 |
|
546 |
|
547 | parse.isDigitDot = function isDigitDot(c) {
|
548 | return c >= '0' && c <= '9' || c === '.';
|
549 | };
|
550 | |
551 |
|
552 |
|
553 |
|
554 |
|
555 |
|
556 |
|
557 | parse.isDigit = function isDigit(c) {
|
558 | return c >= '0' && c <= '9';
|
559 | };
|
560 | |
561 |
|
562 |
|
563 |
|
564 |
|
565 |
|
566 |
|
567 | parse.isHexDigit = function isHexDigit(c) {
|
568 | return c >= '0' && c <= '9' || c >= 'a' && c <= 'f' || c >= 'A' && c <= 'F';
|
569 | };
|
570 | |
571 |
|
572 |
|
573 |
|
574 |
|
575 |
|
576 |
|
577 | function parseStart(expression, extraNodes) {
|
578 | var state = initialState();
|
579 |
|
580 | _extends(state, {
|
581 | expression,
|
582 | extraNodes
|
583 | });
|
584 |
|
585 | getToken(state);
|
586 | var node = parseBlock(state);
|
587 |
|
588 |
|
589 | if (state.token !== '') {
|
590 | if (state.tokenType === TOKENTYPE.DELIMITER) {
|
591 |
|
592 |
|
593 | throw createError(state, 'Unexpected operator ' + state.token);
|
594 | } else {
|
595 | throw createSyntaxError(state, 'Unexpected part "' + state.token + '"');
|
596 | }
|
597 | }
|
598 |
|
599 | return node;
|
600 | }
|
601 | |
602 |
|
603 |
|
604 |
|
605 |
|
606 |
|
607 |
|
608 |
|
609 |
|
610 | function parseBlock(state) {
|
611 | var node;
|
612 | var blocks = [];
|
613 | var visible;
|
614 |
|
615 | if (state.token !== '' && state.token !== '\n' && state.token !== ';') {
|
616 | node = parseAssignment(state);
|
617 | node.comment = state.comment;
|
618 | }
|
619 |
|
620 |
|
621 | while (state.token === '\n' || state.token === ';') {
|
622 |
|
623 | if (blocks.length === 0 && node) {
|
624 | visible = state.token !== ';';
|
625 | blocks.push({
|
626 | node,
|
627 | visible
|
628 | });
|
629 | }
|
630 |
|
631 | getToken(state);
|
632 |
|
633 | if (state.token !== '\n' && state.token !== ';' && state.token !== '') {
|
634 | node = parseAssignment(state);
|
635 | node.comment = state.comment;
|
636 | visible = state.token !== ';';
|
637 | blocks.push({
|
638 | node,
|
639 | visible
|
640 | });
|
641 | }
|
642 | }
|
643 |
|
644 | if (blocks.length > 0) {
|
645 | return new BlockNode(blocks);
|
646 | } else {
|
647 | if (!node) {
|
648 | node = new ConstantNode(undefined);
|
649 | node.comment = state.comment;
|
650 | }
|
651 |
|
652 | return node;
|
653 | }
|
654 | }
|
655 | |
656 |
|
657 |
|
658 |
|
659 |
|
660 |
|
661 |
|
662 |
|
663 |
|
664 |
|
665 | function parseAssignment(state) {
|
666 | var name, args, value, valid;
|
667 | var node = parseConditional(state);
|
668 |
|
669 | if (state.token === '=') {
|
670 | if (isSymbolNode(node)) {
|
671 |
|
672 | name = node.name;
|
673 | getTokenSkipNewline(state);
|
674 | value = parseAssignment(state);
|
675 | return new AssignmentNode(new SymbolNode(name), value);
|
676 | } else if (isAccessorNode(node)) {
|
677 |
|
678 | getTokenSkipNewline(state);
|
679 | value = parseAssignment(state);
|
680 | return new AssignmentNode(node.object, node.index, value);
|
681 | } else if (isFunctionNode(node) && isSymbolNode(node.fn)) {
|
682 |
|
683 | valid = true;
|
684 | args = [];
|
685 | name = node.name;
|
686 | node.args.forEach(function (arg, index) {
|
687 | if (isSymbolNode(arg)) {
|
688 | args[index] = arg.name;
|
689 | } else {
|
690 | valid = false;
|
691 | }
|
692 | });
|
693 |
|
694 | if (valid) {
|
695 | getTokenSkipNewline(state);
|
696 | value = parseAssignment(state);
|
697 | return new FunctionAssignmentNode(name, args, value);
|
698 | }
|
699 | }
|
700 |
|
701 | throw createSyntaxError(state, 'Invalid left hand side of assignment operator =');
|
702 | }
|
703 |
|
704 | return node;
|
705 | }
|
706 | |
707 |
|
708 |
|
709 |
|
710 |
|
711 |
|
712 |
|
713 |
|
714 |
|
715 |
|
716 |
|
717 |
|
718 | function parseConditional(state) {
|
719 | var node = parseLogicalOr(state);
|
720 |
|
721 | while (state.token === '?') {
|
722 |
|
723 |
|
724 |
|
725 | var prev = state.conditionalLevel;
|
726 | state.conditionalLevel = state.nestingLevel;
|
727 | getTokenSkipNewline(state);
|
728 | var condition = node;
|
729 | var trueExpr = parseAssignment(state);
|
730 | if (state.token !== ':') throw createSyntaxError(state, 'False part of conditional expression expected');
|
731 | state.conditionalLevel = null;
|
732 | getTokenSkipNewline(state);
|
733 | var falseExpr = parseAssignment(state);
|
734 |
|
735 | node = new ConditionalNode(condition, trueExpr, falseExpr);
|
736 |
|
737 | state.conditionalLevel = prev;
|
738 | }
|
739 |
|
740 | return node;
|
741 | }
|
742 | |
743 |
|
744 |
|
745 |
|
746 |
|
747 |
|
748 |
|
749 | function parseLogicalOr(state) {
|
750 | var node = parseLogicalXor(state);
|
751 |
|
752 | while (state.token === 'or') {
|
753 |
|
754 | getTokenSkipNewline(state);
|
755 | node = new OperatorNode('or', 'or', [node, parseLogicalXor(state)]);
|
756 | }
|
757 |
|
758 | return node;
|
759 | }
|
760 | |
761 |
|
762 |
|
763 |
|
764 |
|
765 |
|
766 |
|
767 | function parseLogicalXor(state) {
|
768 | var node = parseLogicalAnd(state);
|
769 |
|
770 | while (state.token === 'xor') {
|
771 |
|
772 | getTokenSkipNewline(state);
|
773 | node = new OperatorNode('xor', 'xor', [node, parseLogicalAnd(state)]);
|
774 | }
|
775 |
|
776 | return node;
|
777 | }
|
778 | |
779 |
|
780 |
|
781 |
|
782 |
|
783 |
|
784 |
|
785 | function parseLogicalAnd(state) {
|
786 | var node = parseBitwiseOr(state);
|
787 |
|
788 | while (state.token === 'and') {
|
789 |
|
790 | getTokenSkipNewline(state);
|
791 | node = new OperatorNode('and', 'and', [node, parseBitwiseOr(state)]);
|
792 | }
|
793 |
|
794 | return node;
|
795 | }
|
796 | |
797 |
|
798 |
|
799 |
|
800 |
|
801 |
|
802 |
|
803 | function parseBitwiseOr(state) {
|
804 | var node = parseBitwiseXor(state);
|
805 |
|
806 | while (state.token === '|') {
|
807 |
|
808 | getTokenSkipNewline(state);
|
809 | node = new OperatorNode('|', 'bitOr', [node, parseBitwiseXor(state)]);
|
810 | }
|
811 |
|
812 | return node;
|
813 | }
|
814 | |
815 |
|
816 |
|
817 |
|
818 |
|
819 |
|
820 |
|
821 | function parseBitwiseXor(state) {
|
822 | var node = parseBitwiseAnd(state);
|
823 |
|
824 | while (state.token === '^|') {
|
825 |
|
826 | getTokenSkipNewline(state);
|
827 | node = new OperatorNode('^|', 'bitXor', [node, parseBitwiseAnd(state)]);
|
828 | }
|
829 |
|
830 | return node;
|
831 | }
|
832 | |
833 |
|
834 |
|
835 |
|
836 |
|
837 |
|
838 |
|
839 | function parseBitwiseAnd(state) {
|
840 | var node = parseRelational(state);
|
841 |
|
842 | while (state.token === '&') {
|
843 |
|
844 | getTokenSkipNewline(state);
|
845 | node = new OperatorNode('&', 'bitAnd', [node, parseRelational(state)]);
|
846 | }
|
847 |
|
848 | return node;
|
849 | }
|
850 | |
851 |
|
852 |
|
853 |
|
854 |
|
855 |
|
856 | function parseRelational(state) {
|
857 | var params = [parseShift(state)];
|
858 | var conditionals = [];
|
859 | var operators = {
|
860 | '==': 'equal',
|
861 | '!=': 'unequal',
|
862 | '<': 'smaller',
|
863 | '>': 'larger',
|
864 | '<=': 'smallerEq',
|
865 | '>=': 'largerEq'
|
866 | };
|
867 |
|
868 | while (hasOwnProperty(operators, state.token)) {
|
869 |
|
870 | var cond = {
|
871 | name: state.token,
|
872 | fn: operators[state.token]
|
873 | };
|
874 | conditionals.push(cond);
|
875 | getTokenSkipNewline(state);
|
876 | params.push(parseShift(state));
|
877 | }
|
878 |
|
879 | if (params.length === 1) {
|
880 | return params[0];
|
881 | } else if (params.length === 2) {
|
882 | return new OperatorNode(conditionals[0].name, conditionals[0].fn, params);
|
883 | } else {
|
884 | return new RelationalNode(conditionals.map(c => c.fn), params);
|
885 | }
|
886 | }
|
887 | |
888 |
|
889 |
|
890 |
|
891 |
|
892 |
|
893 |
|
894 | function parseShift(state) {
|
895 | var node, name, fn, params;
|
896 | node = parseConversion(state);
|
897 | var operators = {
|
898 | '<<': 'leftShift',
|
899 | '>>': 'rightArithShift',
|
900 | '>>>': 'rightLogShift'
|
901 | };
|
902 |
|
903 | while (hasOwnProperty(operators, state.token)) {
|
904 | name = state.token;
|
905 | fn = operators[name];
|
906 | getTokenSkipNewline(state);
|
907 | params = [node, parseConversion(state)];
|
908 | node = new OperatorNode(name, fn, params);
|
909 | }
|
910 |
|
911 | return node;
|
912 | }
|
913 | |
914 |
|
915 |
|
916 |
|
917 |
|
918 |
|
919 |
|
920 | function parseConversion(state) {
|
921 | var node, name, fn, params;
|
922 | node = parseRange(state);
|
923 | var operators = {
|
924 | to: 'to',
|
925 | in: 'to'
|
926 |
|
927 | };
|
928 |
|
929 | while (hasOwnProperty(operators, state.token)) {
|
930 | name = state.token;
|
931 | fn = operators[name];
|
932 | getTokenSkipNewline(state);
|
933 |
|
934 | if (name === 'in' && state.token === '') {
|
935 |
|
936 | node = new OperatorNode('*', 'multiply', [node, new SymbolNode('in')], true);
|
937 | } else {
|
938 |
|
939 | params = [node, parseRange(state)];
|
940 | node = new OperatorNode(name, fn, params);
|
941 | }
|
942 | }
|
943 |
|
944 | return node;
|
945 | }
|
946 | |
947 |
|
948 |
|
949 |
|
950 |
|
951 |
|
952 |
|
953 | function parseRange(state) {
|
954 | var node;
|
955 | var params = [];
|
956 |
|
957 | if (state.token === ':') {
|
958 |
|
959 | node = new ConstantNode(1);
|
960 | } else {
|
961 |
|
962 | node = parseAddSubtract(state);
|
963 | }
|
964 |
|
965 | if (state.token === ':' && state.conditionalLevel !== state.nestingLevel) {
|
966 |
|
967 | params.push(node);
|
968 |
|
969 | while (state.token === ':' && params.length < 3) {
|
970 |
|
971 | getTokenSkipNewline(state);
|
972 |
|
973 | if (state.token === ')' || state.token === ']' || state.token === ',' || state.token === '') {
|
974 |
|
975 | params.push(new SymbolNode('end'));
|
976 | } else {
|
977 |
|
978 | params.push(parseAddSubtract(state));
|
979 | }
|
980 | }
|
981 |
|
982 | if (params.length === 3) {
|
983 |
|
984 | node = new RangeNode(params[0], params[2], params[1]);
|
985 | } else {
|
986 |
|
987 |
|
988 | node = new RangeNode(params[0], params[1]);
|
989 | }
|
990 | }
|
991 |
|
992 | return node;
|
993 | }
|
994 | |
995 |
|
996 |
|
997 |
|
998 |
|
999 |
|
1000 |
|
1001 | function parseAddSubtract(state) {
|
1002 | var node, name, fn, params;
|
1003 | node = parseMultiplyDivide(state);
|
1004 | var operators = {
|
1005 | '+': 'add',
|
1006 | '-': 'subtract'
|
1007 | };
|
1008 |
|
1009 | while (hasOwnProperty(operators, state.token)) {
|
1010 | name = state.token;
|
1011 | fn = operators[name];
|
1012 | getTokenSkipNewline(state);
|
1013 | var rightNode = parseMultiplyDivide(state);
|
1014 |
|
1015 | if (rightNode.isPercentage) {
|
1016 | params = [node, new OperatorNode('*', 'multiply', [node, rightNode])];
|
1017 | } else {
|
1018 | params = [node, rightNode];
|
1019 | }
|
1020 |
|
1021 | node = new OperatorNode(name, fn, params);
|
1022 | }
|
1023 |
|
1024 | return node;
|
1025 | }
|
1026 | |
1027 |
|
1028 |
|
1029 |
|
1030 |
|
1031 |
|
1032 |
|
1033 | function parseMultiplyDivide(state) {
|
1034 | var node, last, name, fn;
|
1035 | node = parseImplicitMultiplication(state);
|
1036 | last = node;
|
1037 | var operators = {
|
1038 | '*': 'multiply',
|
1039 | '.*': 'dotMultiply',
|
1040 | '/': 'divide',
|
1041 | './': 'dotDivide'
|
1042 | };
|
1043 |
|
1044 | while (true) {
|
1045 | if (hasOwnProperty(operators, state.token)) {
|
1046 |
|
1047 | name = state.token;
|
1048 | fn = operators[name];
|
1049 | getTokenSkipNewline(state);
|
1050 | last = parseImplicitMultiplication(state);
|
1051 | node = new OperatorNode(name, fn, [node, last]);
|
1052 | } else {
|
1053 | break;
|
1054 | }
|
1055 | }
|
1056 |
|
1057 | return node;
|
1058 | }
|
1059 | |
1060 |
|
1061 |
|
1062 |
|
1063 |
|
1064 |
|
1065 |
|
1066 | function parseImplicitMultiplication(state) {
|
1067 | var node, last;
|
1068 | node = parseRule2(state);
|
1069 | last = node;
|
1070 |
|
1071 | while (true) {
|
1072 | if (state.tokenType === TOKENTYPE.SYMBOL || state.token === 'in' && isConstantNode(node) || state.tokenType === TOKENTYPE.NUMBER && !isConstantNode(last) && (!isOperatorNode(last) || last.op === '!') || state.token === '(') {
|
1073 |
|
1074 |
|
1075 |
|
1076 |
|
1077 |
|
1078 | last = parseRule2(state);
|
1079 | node = new OperatorNode('*', 'multiply', [node, last], true
|
1080 |
|
1081 | );
|
1082 | } else {
|
1083 | break;
|
1084 | }
|
1085 | }
|
1086 |
|
1087 | return node;
|
1088 | }
|
1089 | |
1090 |
|
1091 |
|
1092 |
|
1093 |
|
1094 |
|
1095 |
|
1096 |
|
1097 |
|
1098 | function parseRule2(state) {
|
1099 | var node = parsePercentage(state);
|
1100 | var last = node;
|
1101 | var tokenStates = [];
|
1102 |
|
1103 | while (true) {
|
1104 |
|
1105 | if (state.token === '/' && isConstantNode(last)) {
|
1106 |
|
1107 | tokenStates.push(_extends({}, state));
|
1108 | getTokenSkipNewline(state);
|
1109 |
|
1110 | if (state.tokenType === TOKENTYPE.NUMBER) {
|
1111 |
|
1112 | tokenStates.push(_extends({}, state));
|
1113 | getTokenSkipNewline(state);
|
1114 |
|
1115 | if (state.tokenType === TOKENTYPE.SYMBOL || state.token === '(') {
|
1116 |
|
1117 |
|
1118 | _extends(state, tokenStates.pop());
|
1119 |
|
1120 | tokenStates.pop();
|
1121 | last = parsePercentage(state);
|
1122 | node = new OperatorNode('/', 'divide', [node, last]);
|
1123 | } else {
|
1124 |
|
1125 | tokenStates.pop();
|
1126 |
|
1127 | _extends(state, tokenStates.pop());
|
1128 |
|
1129 | break;
|
1130 | }
|
1131 | } else {
|
1132 |
|
1133 | _extends(state, tokenStates.pop());
|
1134 |
|
1135 | break;
|
1136 | }
|
1137 | } else {
|
1138 | break;
|
1139 | }
|
1140 | }
|
1141 |
|
1142 | return node;
|
1143 | }
|
1144 | |
1145 |
|
1146 |
|
1147 |
|
1148 |
|
1149 |
|
1150 |
|
1151 | function parsePercentage(state) {
|
1152 | var node, name, fn, params;
|
1153 | node = parseUnary(state);
|
1154 | var operators = {
|
1155 | '%': 'mod',
|
1156 | mod: 'mod'
|
1157 | };
|
1158 |
|
1159 | while (hasOwnProperty(operators, state.token)) {
|
1160 | name = state.token;
|
1161 | fn = operators[name];
|
1162 | getTokenSkipNewline(state);
|
1163 |
|
1164 | if (name === '%' && state.tokenType === TOKENTYPE.DELIMITER && state.token !== '(') {
|
1165 |
|
1166 | node = new OperatorNode('/', 'divide', [node, new ConstantNode(100)], false, true);
|
1167 | } else {
|
1168 | params = [node, parseUnary(state)];
|
1169 | node = new OperatorNode(name, fn, params);
|
1170 | }
|
1171 | }
|
1172 |
|
1173 | return node;
|
1174 | }
|
1175 | |
1176 |
|
1177 |
|
1178 |
|
1179 |
|
1180 |
|
1181 |
|
1182 | function parseUnary(state) {
|
1183 | var name, params, fn;
|
1184 | var operators = {
|
1185 | '-': 'unaryMinus',
|
1186 | '+': 'unaryPlus',
|
1187 | '~': 'bitNot',
|
1188 | not: 'not'
|
1189 | };
|
1190 |
|
1191 | if (hasOwnProperty(operators, state.token)) {
|
1192 | fn = operators[state.token];
|
1193 | name = state.token;
|
1194 | getTokenSkipNewline(state);
|
1195 | params = [parseUnary(state)];
|
1196 | return new OperatorNode(name, fn, params);
|
1197 | }
|
1198 |
|
1199 | return parsePow(state);
|
1200 | }
|
1201 | |
1202 |
|
1203 |
|
1204 |
|
1205 |
|
1206 |
|
1207 |
|
1208 |
|
1209 | function parsePow(state) {
|
1210 | var node, name, fn, params;
|
1211 | node = parseLeftHandOperators(state);
|
1212 |
|
1213 | if (state.token === '^' || state.token === '.^') {
|
1214 | name = state.token;
|
1215 | fn = name === '^' ? 'pow' : 'dotPow';
|
1216 | getTokenSkipNewline(state);
|
1217 | params = [node, parseUnary(state)];
|
1218 |
|
1219 | node = new OperatorNode(name, fn, params);
|
1220 | }
|
1221 |
|
1222 | return node;
|
1223 | }
|
1224 | |
1225 |
|
1226 |
|
1227 |
|
1228 |
|
1229 |
|
1230 |
|
1231 | function parseLeftHandOperators(state) {
|
1232 | var node, name, fn, params;
|
1233 | node = parseCustomNodes(state);
|
1234 | var operators = {
|
1235 | '!': 'factorial',
|
1236 | '\'': 'ctranspose'
|
1237 | };
|
1238 |
|
1239 | while (hasOwnProperty(operators, state.token)) {
|
1240 | name = state.token;
|
1241 | fn = operators[name];
|
1242 | getToken(state);
|
1243 | params = [node];
|
1244 | node = new OperatorNode(name, fn, params);
|
1245 | node = parseAccessors(state, node);
|
1246 | }
|
1247 |
|
1248 | return node;
|
1249 | }
|
1250 | |
1251 |
|
1252 |
|
1253 |
|
1254 |
|
1255 |
|
1256 |
|
1257 |
|
1258 |
|
1259 |
|
1260 |
|
1261 |
|
1262 |
|
1263 |
|
1264 |
|
1265 |
|
1266 |
|
1267 |
|
1268 |
|
1269 |
|
1270 |
|
1271 |
|
1272 |
|
1273 |
|
1274 |
|
1275 |
|
1276 |
|
1277 |
|
1278 |
|
1279 |
|
1280 | function parseCustomNodes(state) {
|
1281 | var params = [];
|
1282 |
|
1283 | if (state.tokenType === TOKENTYPE.SYMBOL && hasOwnProperty(state.extraNodes, state.token)) {
|
1284 | var CustomNode = state.extraNodes[state.token];
|
1285 | getToken(state);
|
1286 |
|
1287 | if (state.token === '(') {
|
1288 | params = [];
|
1289 | openParams(state);
|
1290 | getToken(state);
|
1291 |
|
1292 | if (state.token !== ')') {
|
1293 | params.push(parseAssignment(state));
|
1294 |
|
1295 | while (state.token === ',') {
|
1296 |
|
1297 | getToken(state);
|
1298 | params.push(parseAssignment(state));
|
1299 | }
|
1300 | }
|
1301 |
|
1302 | if (state.token !== ')') {
|
1303 | throw createSyntaxError(state, 'Parenthesis ) expected');
|
1304 | }
|
1305 |
|
1306 | closeParams(state);
|
1307 | getToken(state);
|
1308 | }
|
1309 |
|
1310 |
|
1311 |
|
1312 | return new CustomNode(params);
|
1313 | }
|
1314 |
|
1315 | return parseSymbol(state);
|
1316 | }
|
1317 | |
1318 |
|
1319 |
|
1320 |
|
1321 |
|
1322 |
|
1323 |
|
1324 | function parseSymbol(state) {
|
1325 | var node, name;
|
1326 |
|
1327 | if (state.tokenType === TOKENTYPE.SYMBOL || state.tokenType === TOKENTYPE.DELIMITER && state.token in NAMED_DELIMITERS) {
|
1328 | name = state.token;
|
1329 | getToken(state);
|
1330 |
|
1331 | if (hasOwnProperty(CONSTANTS, name)) {
|
1332 |
|
1333 | node = new ConstantNode(CONSTANTS[name]);
|
1334 | } else if (NUMERIC_CONSTANTS.indexOf(name) !== -1) {
|
1335 |
|
1336 | node = new ConstantNode(numeric(name, 'number'));
|
1337 | } else {
|
1338 | node = new SymbolNode(name);
|
1339 | }
|
1340 |
|
1341 |
|
1342 | node = parseAccessors(state, node);
|
1343 | return node;
|
1344 | }
|
1345 |
|
1346 | return parseDoubleQuotesString(state);
|
1347 | }
|
1348 | |
1349 |
|
1350 |
|
1351 |
|
1352 |
|
1353 |
|
1354 |
|
1355 |
|
1356 |
|
1357 |
|
1358 |
|
1359 |
|
1360 |
|
1361 |
|
1362 |
|
1363 |
|
1364 | function parseAccessors(state, node, types) {
|
1365 | var params;
|
1366 |
|
1367 | while ((state.token === '(' || state.token === '[' || state.token === '.') && (!types || types.indexOf(state.token) !== -1)) {
|
1368 |
|
1369 | params = [];
|
1370 |
|
1371 | if (state.token === '(') {
|
1372 | if (isSymbolNode(node) || isAccessorNode(node)) {
|
1373 |
|
1374 | openParams(state);
|
1375 | getToken(state);
|
1376 |
|
1377 | if (state.token !== ')') {
|
1378 | params.push(parseAssignment(state));
|
1379 |
|
1380 | while (state.token === ',') {
|
1381 |
|
1382 | getToken(state);
|
1383 | params.push(parseAssignment(state));
|
1384 | }
|
1385 | }
|
1386 |
|
1387 | if (state.token !== ')') {
|
1388 | throw createSyntaxError(state, 'Parenthesis ) expected');
|
1389 | }
|
1390 |
|
1391 | closeParams(state);
|
1392 | getToken(state);
|
1393 | node = new FunctionNode(node, params);
|
1394 | } else {
|
1395 |
|
1396 |
|
1397 |
|
1398 | return node;
|
1399 | }
|
1400 | } else if (state.token === '[') {
|
1401 |
|
1402 | openParams(state);
|
1403 | getToken(state);
|
1404 |
|
1405 | if (state.token !== ']') {
|
1406 | params.push(parseAssignment(state));
|
1407 |
|
1408 | while (state.token === ',') {
|
1409 |
|
1410 | getToken(state);
|
1411 | params.push(parseAssignment(state));
|
1412 | }
|
1413 | }
|
1414 |
|
1415 | if (state.token !== ']') {
|
1416 | throw createSyntaxError(state, 'Parenthesis ] expected');
|
1417 | }
|
1418 |
|
1419 | closeParams(state);
|
1420 | getToken(state);
|
1421 | node = new AccessorNode(node, new IndexNode(params));
|
1422 | } else {
|
1423 |
|
1424 | getToken(state);
|
1425 |
|
1426 | if (state.tokenType !== TOKENTYPE.SYMBOL) {
|
1427 | throw createSyntaxError(state, 'Property name expected after dot');
|
1428 | }
|
1429 |
|
1430 | params.push(new ConstantNode(state.token));
|
1431 | getToken(state);
|
1432 | var dotNotation = true;
|
1433 | node = new AccessorNode(node, new IndexNode(params, dotNotation));
|
1434 | }
|
1435 | }
|
1436 |
|
1437 | return node;
|
1438 | }
|
1439 | |
1440 |
|
1441 |
|
1442 |
|
1443 |
|
1444 |
|
1445 |
|
1446 | function parseDoubleQuotesString(state) {
|
1447 | var node, str;
|
1448 |
|
1449 | if (state.token === '"') {
|
1450 | str = parseDoubleQuotesStringToken(state);
|
1451 |
|
1452 | node = new ConstantNode(str);
|
1453 |
|
1454 | node = parseAccessors(state, node);
|
1455 | return node;
|
1456 | }
|
1457 |
|
1458 | return parseSingleQuotesString(state);
|
1459 | }
|
1460 | |
1461 |
|
1462 |
|
1463 |
|
1464 |
|
1465 |
|
1466 | function parseDoubleQuotesStringToken(state) {
|
1467 | var str = '';
|
1468 |
|
1469 | while (currentCharacter(state) !== '' && currentCharacter(state) !== '"') {
|
1470 | if (currentCharacter(state) === '\\') {
|
1471 |
|
1472 |
|
1473 | str += currentCharacter(state);
|
1474 | next(state);
|
1475 | }
|
1476 |
|
1477 | str += currentCharacter(state);
|
1478 | next(state);
|
1479 | }
|
1480 |
|
1481 | getToken(state);
|
1482 |
|
1483 | if (state.token !== '"') {
|
1484 | throw createSyntaxError(state, 'End of string " expected');
|
1485 | }
|
1486 |
|
1487 | getToken(state);
|
1488 | return JSON.parse('"' + str + '"');
|
1489 | }
|
1490 | |
1491 |
|
1492 |
|
1493 |
|
1494 |
|
1495 |
|
1496 |
|
1497 | function parseSingleQuotesString(state) {
|
1498 | var node, str;
|
1499 |
|
1500 | if (state.token === '\'') {
|
1501 | str = parseSingleQuotesStringToken(state);
|
1502 |
|
1503 | node = new ConstantNode(str);
|
1504 |
|
1505 | node = parseAccessors(state, node);
|
1506 | return node;
|
1507 | }
|
1508 |
|
1509 | return parseMatrix(state);
|
1510 | }
|
1511 | |
1512 |
|
1513 |
|
1514 |
|
1515 |
|
1516 |
|
1517 | function parseSingleQuotesStringToken(state) {
|
1518 | var str = '';
|
1519 |
|
1520 | while (currentCharacter(state) !== '' && currentCharacter(state) !== '\'') {
|
1521 | if (currentCharacter(state) === '\\') {
|
1522 |
|
1523 |
|
1524 | str += currentCharacter(state);
|
1525 | next(state);
|
1526 | }
|
1527 |
|
1528 | str += currentCharacter(state);
|
1529 | next(state);
|
1530 | }
|
1531 |
|
1532 | getToken(state);
|
1533 |
|
1534 | if (state.token !== '\'') {
|
1535 | throw createSyntaxError(state, 'End of string \' expected');
|
1536 | }
|
1537 |
|
1538 | getToken(state);
|
1539 | return JSON.parse('"' + str + '"');
|
1540 | }
|
1541 | |
1542 |
|
1543 |
|
1544 |
|
1545 |
|
1546 |
|
1547 |
|
1548 | function parseMatrix(state) {
|
1549 | var array, params, rows, cols;
|
1550 |
|
1551 | if (state.token === '[') {
|
1552 |
|
1553 | openParams(state);
|
1554 | getToken(state);
|
1555 |
|
1556 | if (state.token !== ']') {
|
1557 |
|
1558 | var row = parseRow(state);
|
1559 |
|
1560 | if (state.token === ';') {
|
1561 |
|
1562 | rows = 1;
|
1563 | params = [row];
|
1564 |
|
1565 | while (state.token === ';') {
|
1566 |
|
1567 | getToken(state);
|
1568 | params[rows] = parseRow(state);
|
1569 | rows++;
|
1570 | }
|
1571 |
|
1572 | if (state.token !== ']') {
|
1573 | throw createSyntaxError(state, 'End of matrix ] expected');
|
1574 | }
|
1575 |
|
1576 | closeParams(state);
|
1577 | getToken(state);
|
1578 |
|
1579 | cols = params[0].items.length;
|
1580 |
|
1581 | for (var r = 1; r < rows; r++) {
|
1582 | if (params[r].items.length !== cols) {
|
1583 | throw createError(state, 'Column dimensions mismatch ' + '(' + params[r].items.length + ' !== ' + cols + ')');
|
1584 | }
|
1585 | }
|
1586 |
|
1587 | array = new ArrayNode(params);
|
1588 | } else {
|
1589 |
|
1590 | if (state.token !== ']') {
|
1591 | throw createSyntaxError(state, 'End of matrix ] expected');
|
1592 | }
|
1593 |
|
1594 | closeParams(state);
|
1595 | getToken(state);
|
1596 | array = row;
|
1597 | }
|
1598 | } else {
|
1599 |
|
1600 | closeParams(state);
|
1601 | getToken(state);
|
1602 | array = new ArrayNode([]);
|
1603 | }
|
1604 |
|
1605 | return parseAccessors(state, array);
|
1606 | }
|
1607 |
|
1608 | return parseObject(state);
|
1609 | }
|
1610 | |
1611 |
|
1612 |
|
1613 |
|
1614 |
|
1615 |
|
1616 | function parseRow(state) {
|
1617 | var params = [parseAssignment(state)];
|
1618 | var len = 1;
|
1619 |
|
1620 | while (state.token === ',') {
|
1621 |
|
1622 | getToken(state);
|
1623 |
|
1624 | params[len] = parseAssignment(state);
|
1625 | len++;
|
1626 | }
|
1627 |
|
1628 | return new ArrayNode(params);
|
1629 | }
|
1630 | |
1631 |
|
1632 |
|
1633 |
|
1634 |
|
1635 |
|
1636 |
|
1637 | function parseObject(state) {
|
1638 | if (state.token === '{') {
|
1639 | openParams(state);
|
1640 | var key;
|
1641 | var properties = {};
|
1642 |
|
1643 | do {
|
1644 | getToken(state);
|
1645 |
|
1646 | if (state.token !== '}') {
|
1647 |
|
1648 | if (state.token === '"') {
|
1649 | key = parseDoubleQuotesStringToken(state);
|
1650 | } else if (state.token === '\'') {
|
1651 | key = parseSingleQuotesStringToken(state);
|
1652 | } else if (state.tokenType === TOKENTYPE.SYMBOL || state.tokenType === TOKENTYPE.DELIMITER && state.token in NAMED_DELIMITERS) {
|
1653 | key = state.token;
|
1654 | getToken(state);
|
1655 | } else {
|
1656 | throw createSyntaxError(state, 'Symbol or string expected as object key');
|
1657 | }
|
1658 |
|
1659 |
|
1660 | if (state.token !== ':') {
|
1661 | throw createSyntaxError(state, 'Colon : expected after object key');
|
1662 | }
|
1663 |
|
1664 | getToken(state);
|
1665 |
|
1666 | properties[key] = parseAssignment(state);
|
1667 | }
|
1668 | } while (state.token === ',');
|
1669 |
|
1670 |
|
1671 | if (state.token !== '}') {
|
1672 | throw createSyntaxError(state, 'Comma , or bracket } expected after object value');
|
1673 | }
|
1674 |
|
1675 | closeParams(state);
|
1676 | getToken(state);
|
1677 | var node = new ObjectNode(properties);
|
1678 |
|
1679 | node = parseAccessors(state, node);
|
1680 | return node;
|
1681 | }
|
1682 |
|
1683 | return parseNumber(state);
|
1684 | }
|
1685 | |
1686 |
|
1687 |
|
1688 |
|
1689 |
|
1690 |
|
1691 |
|
1692 | function parseNumber(state) {
|
1693 | var numberStr;
|
1694 |
|
1695 | if (state.tokenType === TOKENTYPE.NUMBER) {
|
1696 |
|
1697 | numberStr = state.token;
|
1698 | getToken(state);
|
1699 | return new ConstantNode(numeric(numberStr, config.number));
|
1700 | }
|
1701 |
|
1702 | return parseParentheses(state);
|
1703 | }
|
1704 | |
1705 |
|
1706 |
|
1707 |
|
1708 |
|
1709 |
|
1710 |
|
1711 | function parseParentheses(state) {
|
1712 | var node;
|
1713 |
|
1714 | if (state.token === '(') {
|
1715 |
|
1716 | openParams(state);
|
1717 | getToken(state);
|
1718 | node = parseAssignment(state);
|
1719 |
|
1720 | if (state.token !== ')') {
|
1721 | throw createSyntaxError(state, 'Parenthesis ) expected');
|
1722 | }
|
1723 |
|
1724 | closeParams(state);
|
1725 | getToken(state);
|
1726 | node = new ParenthesisNode(node);
|
1727 | node = parseAccessors(state, node);
|
1728 | return node;
|
1729 | }
|
1730 |
|
1731 | return parseEnd(state);
|
1732 | }
|
1733 | |
1734 |
|
1735 |
|
1736 |
|
1737 |
|
1738 |
|
1739 |
|
1740 | function parseEnd(state) {
|
1741 | if (state.token === '') {
|
1742 |
|
1743 | throw createSyntaxError(state, 'Unexpected end of expression');
|
1744 | } else {
|
1745 | throw createSyntaxError(state, 'Value expected');
|
1746 | }
|
1747 | }
|
1748 | |
1749 |
|
1750 |
|
1751 |
|
1752 |
|
1753 |
|
1754 | |
1755 |
|
1756 |
|
1757 |
|
1758 |
|
1759 |
|
1760 | |
1761 |
|
1762 |
|
1763 |
|
1764 |
|
1765 |
|
1766 |
|
1767 | function col(state) {
|
1768 | return state.index - state.token.length + 1;
|
1769 | }
|
1770 | |
1771 |
|
1772 |
|
1773 |
|
1774 |
|
1775 |
|
1776 |
|
1777 |
|
1778 |
|
1779 | function createSyntaxError(state, message) {
|
1780 | var c = col(state);
|
1781 | var error = new SyntaxError(message + ' (char ' + c + ')');
|
1782 | error.char = c;
|
1783 | return error;
|
1784 | }
|
1785 | |
1786 |
|
1787 |
|
1788 |
|
1789 |
|
1790 |
|
1791 |
|
1792 |
|
1793 |
|
1794 | function createError(state, message) {
|
1795 | var c = col(state);
|
1796 | var error = new SyntaxError(message + ' (char ' + c + ')');
|
1797 | error.char = c;
|
1798 | return error;
|
1799 | }
|
1800 |
|
1801 | return parse;
|
1802 | }); |
\ | No newline at end of file |