Last change
on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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Property mode
set to
100644
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File size:
1.2 KB
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1 | var TYPE = require('../tokenizer').TYPE;
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2 | var WHITESPACE = TYPE.WhiteSpace;
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3 | var COMMENT = TYPE.Comment;
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4 |
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5 | module.exports = function readSequence(recognizer) {
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6 | var children = this.createList();
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7 | var child = null;
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8 | var context = {
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9 | recognizer: recognizer,
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10 | space: null,
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11 | ignoreWS: false,
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12 | ignoreWSAfter: false
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13 | };
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14 |
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15 | this.scanner.skipSC();
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16 |
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17 | while (!this.scanner.eof) {
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18 | switch (this.scanner.tokenType) {
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19 | case COMMENT:
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20 | this.scanner.next();
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21 | continue;
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22 |
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23 | case WHITESPACE:
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24 | if (context.ignoreWS) {
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25 | this.scanner.next();
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26 | } else {
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27 | context.space = this.WhiteSpace();
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28 | }
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29 | continue;
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30 | }
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31 |
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32 | child = recognizer.getNode.call(this, context);
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33 |
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34 | if (child === undefined) {
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35 | break;
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36 | }
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37 |
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38 | if (context.space !== null) {
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39 | children.push(context.space);
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40 | context.space = null;
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41 | }
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42 |
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43 | children.push(child);
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44 |
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45 | if (context.ignoreWSAfter) {
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46 | context.ignoreWSAfter = false;
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47 | context.ignoreWS = true;
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48 | } else {
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49 | context.ignoreWS = false;
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50 | }
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51 | }
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52 |
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53 | return children;
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54 | };
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