new Parallelization library

libraries/LIBRARIES

@@ -20,3 +20,4 @@ audioComp_module.xml	Audio Comp	analyze, manipulate and generate sound samples.
 atomic_HOFs_module.xml	"Bigger" Data	[EXPERIMENTAL] crunch large lists very fast
 make-variables.xml	create variables in program	declare global or sprite-local variables in a script
 json.xml	Deal with JSON data	Turn JSON strings into lists with the listify block, then retrieve data out of them by using the value at key block.
+parallel_module.xml    Parallelization    Run several scripts in parallel and wait until all are done.

libraries/parallel_module.xml

@@ -0,0 +1 @@
+<blocks app="Snap! 4.2, http://snap.berkeley.edu" version="1"><block-definition s="do in parallel %&apos;actions&apos; and wait" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%mult%cs"></input></inputs><script><block s="doDeclareVariables"><list><l>threads</l></list></block><block s="doSetVar"><l>threads</l><custom-block s="map %repRing over %l"><block s="reifyReporter"><autolambda><block s="evaluate"><block s="reifyScript"><script><block s="doDeclareVariables"><list><l>is running?</l></list></block><block s="doSetVar"><l>is running?</l><block s="reportBoolean"><l><bool>true</bool></l></block></block><block s="fork"><block s="reifyScript"><script><block s="doRun"><block var="each script"/><list></list></block><block s="doSetVar"><l>is running?</l><block s="reportBoolean"><l><bool>false</bool></l></block></block></script><list></list></block><list></list></block><block s="doReport"><block s="reifyScript"><script><block s="doReport"><block var="is running?"/></block></script><list></list></block></block></script><list></list></block><list></list></block></autolambda><list><l>each script</l></list></block><block var="actions"/></custom-block></block><block s="doWaitUntil"><custom-block s="empty? %l"><custom-block s="keep items such that %predRing from %l"><block s="reifyPredicate"><autolambda><block s="evaluate"><block var="test"/><list></list></block></autolambda><list><l>test</l></list></block><block var="threads"/></custom-block></custom-block></block></script></block-definition><block-definition s="empty? %&apos;data&apos;" type="predicate" category="lists"><header></header><code></code><translations>de:ist _ leer?&#xD;</translations><inputs><input type="%l"></input></inputs><script><block s="doReport"><block s="reportEquals"><block var="data"/><block s="reportNewList"><list></list></block></block></block></script></block-definition><block-definition s="keep items such that %&apos;pred&apos; from %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations>de:behalte Elemente, die _ aus _&#xD;</translations><inputs><input type="%predRing"></input><input type="%l"></input></inputs><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doIfElse"><block s="evaluate"><block var="pred"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><script><block s="doReport"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></block></script><script><block s="doReport"><custom-block s="keep items such that %predRing from %l"><block var="pred"/><block s="reportCDR"><block var="data"/></block></custom-block></block></script></block></script></block-definition><block-definition s="map %&apos;func&apos; over %&apos;data&apos;" type="reporter" category="lists"><header></header><code></code><translations>de:wende _ an auf _&#xD;</translations><inputs><input type="%repRing"></input><input type="%l"></input></inputs><script><block s="doIf"><custom-block s="empty? %l"><block var="data"/></custom-block><script><block s="doReport"><block var="data"/></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="func"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><custom-block s="map %repRing over %l"><block var="func"/><block s="reportCDR"><block var="data"/></block></custom-block></block></block></script></block-definition><block-definition s="do in parallel %&apos;actions&apos;" type="command" category="control"><header></header><code></code><translations></translations><inputs><input type="%mult%cs"></input></inputs><script><block s="doIf"><block s="reportGreaterThan"><block s="reportListLength"><block var="actions"/></block><l>0</l></block><script><block s="fork"><block s="reportListItem"><l>1</l><block var="actions"/></block><list></list></block><custom-block s="do in parallel %mult%cs"><block s="reportCDR"><block var="actions"/></block></custom-block></script></block></script></block-definition></blocks>