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Merge pull request #361 from thisandagain/bugfix/360

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Fix hat blocks in horizontal grammar
This commit is contained in:
Andrew Sliwinski 2017-01-03 09:37:42 -05:00 committed by GitHub
commit bc60fa13ce
1 changed files with 13 additions and 0 deletions
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13
src/engine/runtime.js
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@ -435,12 +435,24 @@ Runtime.prototype.startHats = function (requestedHatOpcode,
// Not the right hat.
return;
}
// Match any requested fields.
// For example: ensures that broadcasts match.
// This needs to happen before the block is evaluated
// (i.e., before the predicate can be run) because "broadcast and wait"
// needs to have a precise collection of started threads.
var hatFields = target.blocks.getFields(topBlockId);
// If no fields are present, check inputs (horizontal blocks)
if (Object.keys(hatFields).length === 0) {
var hatInputs = target.blocks.getInputs(topBlockId);
for (var input in hatInputs) {
var id = hatInputs[input].block;
var fields = target.blocks.getFields(id);
hatFields = Object.assign(fields, hatFields);
}
}
if (optMatchFields) {
for (var matchField in optMatchFields) {
if (hatFields[matchField].value !==
@ -450,6 +462,7 @@ Runtime.prototype.startHats = function (requestedHatOpcode,
}
}
}
// Look up metadata for the relevant hat.
var hatMeta = instance._hats[requestedHatOpcode];
if (hatMeta.restartExistingThreads) {