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Simplify logic for Thread status

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This commit is contained in:
Tim Mickel 2016-06-30 17:12:16 -04:00
parent ab6e0d3839
commit ec4567aa8a
2 changed files with 15 additions and 16 deletions
src/engine
thread.js

9
src/engine/thread.js
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@ -32,22 +32,23 @@ function Thread (firstBlock) {
/**
* Thread status for initialized or running thread.
* Threads are in this state when the primitive is called for the first time.
* This is the default state for a thread - execution should run normally,
* stepping from block to block.
* @const
*/
Thread.STATUS_RUNNING = 0;
/**
* Thread status for a yielded thread.
* Threads are in this state when a primitive has yielded.
* Threads are in this state when a primitive has yielded; execution is paused
* until the relevant primitive unyields.
* @const
*/
Thread.STATUS_YIELD = 1;
/**
* Thread status for a finished/done thread.
* Thread is moved to this state when the interpreter
* can proceed with execution.
* Thread is in this state when there are no more blocks to execute.
* @const
*/
Thread.STATUS_DONE = 2;