104 lines
3.2 KiB
JavaScript
104 lines
3.2 KiB
JavaScript
/*global plt*/
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/*jslint browser: true, unparam: true, vars: true, white: true, maxerr: 50, indent: 4 , plusplus: true */
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// Continuation marks
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(function(baselib) {
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'use strict';
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var exports = {};
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baselib.contmarks = exports;
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var ContinuationMarkSet = function(kvlists) {
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this.kvlists = kvlists;
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};
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ContinuationMarkSet.prototype.shift = function() {
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this.kvlists.shift();
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};
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ContinuationMarkSet.prototype.toDomNode = function(params) {
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var dom = document.createElement("span");
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dom.appendChild(document.createTextNode('#<continuation-mark-set>'));
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return dom;
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};
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ContinuationMarkSet.prototype.toWrittenString = function(cache) {
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return '#<continuation-mark-set>';
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};
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ContinuationMarkSet.prototype.toDisplayedString = function(cache) {
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return '#<continuation-mark-set>';
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};
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ContinuationMarkSet.prototype.ref = function(key, promptTag) {
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// FIXME: ref needs to watch the promptTag as well and capture up to it.
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var i, j;
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var result = [];
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var kvlist;
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for (i = 0; i < this.kvlists.length; i++) {
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kvlist = this.kvlists[i];
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for (j = 0; j < kvlist.length; j++) {
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if (baselib.equality.equals(kvlist[j][0], key)) {
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result.push(kvlist[j][1]);
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}
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}
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}
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return baselib.lists.arrayToList(result);
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};
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// Returns an approximate stack trace.
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// getContext: MACHINE -> (arrayof (U Procedure (Vector source line column position span)))
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ContinuationMarkSet.prototype.getContext = function(MACHINE) {
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var i, j;
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var result = [];
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var kvlist;
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var tracedAppKey = plt.runtime.getTracedAppKey(MACHINE);
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var tracedCalleeKey = plt.runtime.getTracedCalleeKey(MACHINE);
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var proc, locationVector;
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for (i = 0; i < this.kvlists.length; i++) {
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kvlist = this.kvlists[i];
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for (j = 0; j < kvlist.length; j++) {
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if (kvlist[j][0] === tracedAppKey) {
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locationVector = kvlist[j][1];
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result.push(locationVector);
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} else if (kvlist[j][0] === tracedCalleeKey) {
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proc = kvlist[j][1];
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if (proc !== null) {
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result.push(proc);
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}
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}
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}
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}
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return result;
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};
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var isContinuationMarkSet = baselib.makeClassPredicate(ContinuationMarkSet);
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// A continuation prompt tag labels a prompt frame.
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var ContinuationPromptTag = function(name) {
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this.name = name; // String
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};
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var isContinuationPromptTag = baselib.makeClassPredicate(ContinuationPromptTag);
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var DEFAULT_CONTINUATION_PROMPT_TAG =
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new ContinuationPromptTag("default-continuation-prompt-tag");
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exports.ContinuationMarkSet = ContinuationMarkSet;
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exports.isContinuationMarkSet = isContinuationMarkSet;
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exports.ContinuationPromptTag = ContinuationPromptTag;
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exports.isContinuationPromptTag = isContinuationPromptTag;
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exports.DEFAULT_CONTINUATION_PROMPT_TAG = DEFAULT_CONTINUATION_PROMPT_TAG;
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}(this.plt.baselib)); |