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From jbe...@apache.org
Subject svn commit: r954058 - in /commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt: AbstractStatechartGenerator.xsl StatePatternStatechartGenerator.xsl
Date Sat, 12 Jun 2010 19:34:57 GMT
Author: jbeard
Date: Sat Jun 12 19:34:57 2010
New Revision: 954058

URL: http://svn.apache.org/viewvc?rev=954058&view=rev
Log:
Intermediate commit. May be done porting state pattern generator to xsl.

Modified:
    commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/AbstractStatechartGenerator.xsl
    commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/StatePatternStatechartGenerator.xsl

Modified: commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/AbstractStatechartGenerator.xsl
URL: http://svn.apache.org/viewvc/commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/AbstractStatechartGenerator.xsl?rev=954058&r1=954057&r2=954058&view=diff
==============================================================================
--- commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/AbstractStatechartGenerator.xsl (original)
+++ commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/AbstractStatechartGenerator.xsl Sat
Jun 12 19:34:57 2010
@@ -14,7 +14,7 @@
 	<param name="dispatchInvocation"/>
 	<param name="currentConfigurationExpression"/>
 	<param name="defaultEventLiteral"/>
-
+	<!-- TODO: refactor these names-->
 	<param name="genHistoryTriggerDispatcherCurrentConfigurationAssignmentRHS"/>
 	<param name="genHistoryTriggerDispatcherInnerForEachStateReference"/>
 	<param name="genNonBasicTriggerDispatcherExitBlockIteratorExpression"/>
@@ -439,6 +439,197 @@
 		//end static boilerplate code
 	</template>
 
+
+	<variable name="deepHistoryEnterAction">
+		<text>
+			var topState;
+			while(topState = statesEntered.pop()){
+				topState.enterAction();
+			}
+		</text>
+	</template>
+
+	<variable name="shallowHistoryEnterAction">
+		<text>
+			var topState = statesEntered.pop();
+
+			topState.enterAction();
+
+			newConfiguration.push(topState.initial ? topState.initial : topState );	
+		</text>
+	</template>
+
+	<variable name="genNonBasicTriggerDispatcherExitBlockInnerForEach">
+		<text>
+			{
+				do{
+					statesExited.push(state);
+				}while((state = state.parent) &amp;&amp;
+					state != lca &amp;&amp; 
+					statesExited.indexOf(state) == -1)
+			}
+		</text>
+	</variable>
+
+	<template name="genHistoryTriggerDispatcher">
+		<param name="s"/>
+		<param name="t"/>
+
+		<variable name="isDeep" select="$s/@type = 'deep'"/>
+		<variable name="historyStateReference">
+			<call-template name="genHistoryTriggerDispatcherHistoryStateReference">
+				<with-param name="s" select="$s"/>
+			</call-template>
+		</variable>
+
+
+		//history state semantics
+		if(<value-of select="$historyStateReference"/>.lastConfiguration){
+
+			//transition action
+			<if test="$log">
+				<choose>
+					<when test="$isDeep">
+						console.log("return to last deep configuration");
+					</when>
+					<otherwise>
+						console.log("return to last shallow configuration");')
+					</otherwise>
+				</choose>
+					
+				
+			<!--gen executable content for t-->
+			<apply-templates select="$t/*"/>
+
+			var historyState = <value-of select="$historyStateReference"/>;
+
+			<if test="isDeep">
+				var newConfiguration = [];
+			</if>
+
+			<value-of select="$historyStateReference"/>.lastConfiguration.forEach(function(state){
+				<call-template name="genHistoryTriggerDispatcherInnerForEach">
+					<with-param name="isDeep" select="$isDeep"/>
+				</call-template>
+			});
+			
+			<choose>
+				<when test="$isDeep">
+					currentConfiguration =  <value-of select="$historyStateReference"/>.lastConfiguration.slice();
+				</when>
+				<otherwise>
+					currentConfiguration = <value-of select="$genHistoryTriggerDispatcherCurrentConfigurationAssignmentRHS"/>;
+				</otherwise>
+			</choose>
+			
+		}else{
+			<call-template name="genTriggerDispatcherContents">
+				<with-param name="s" select="$s"/>
+				<with-param name="t" select="$t"/>
+			</call-template>
+		}
+	}
+
+	<template name="genHistoryTriggerDispatcherInnerForEach">
+		<param name="isDeep"/>
+
+		var statesEntered = [<value-of select="$genHistoryTriggerDispatcherInnerForEachStateReference"/>];

+
+		for(var parent = {<value-of select="$genHistoryTriggerDispatcherInnerForEachStateReference"/>.parent;

+			parent != historyState.parent &amp;&amp; parent != null; 
+			parent = parent.parent){
+			statesEntered.push(parent);
+		}
+
+		
+		<choose>
+			<when test="$isDeep">
+				<value-of select="$deepHistoryEnterAction"/>
+			</when>
+			<otherwise>
+				<value-of select="$shallowHistoryEnterAction"/>
+			</otherwise>
+		</choose>
+	</template>
+
+	<template name="genNonBasicTriggerDispatcherExitBlock">
+		<param name="t"/> 
+
+		var statesExited = [];
+		var lca = {t.msdl::lca.text()};
+
+		<value-of select="$genNonBasicTriggerDispatcherExitBlockIteratorExpression"/>.forEach(function(state){
+			<value-of select="$genNonBasicTriggerDispatcherExitBlockInnerForEach"/>
+		});
+
+		//sort by depth
+		statesExited.sort(sortByDepthDeepToShallow);
+
+		//execute actions for each of these states
+		statesExited.forEach(function(state){
+			state.exitAction();
+		});
+	</template>
+
+	<template name="genTriggerDispatcherContents"> 
+		<param name="s"/>
+		<param name="t"/>
+	
+		<if test="not($t/@event)>
+			hasTakenDefaultTransition = true;
+		</if>
+
+
+		//exit states
+
+		<choose>
+			<when test="local-name($s) = 'initial' or local-name($s) = 'history' or 
+						( $s/@isBasic and 
+							( not($s/@isParallelSubstate) or 
+								$s/@isParallelSubstateAndTransitionDoesNotExitParallelRegion))">
+				<for-each select="$t/c:exitpath/c:state">
+					<value-of select="."/>.exitAction();
+				</for-each>
+			</when>
+			<otherwise>
+				<call-template name="genNonBasicTriggerDispatcherExitBlock">
+					<param name="t" select="$t"/>
+				</call-template>
+			</otherwise>
+		</choose>
+
+		//transition action
+		<apply-templates select="$t/*"/>
+
+		//enter states
+		<for-each select="$t/c:targets/c:target/c:enterpath/c:state"> 
+			<value-of select="."/>.enterAction();
+		</for-each>
+
+		//update configuration
+		<choose>
+			<when test="$s/@isParallelSubstateAndTransitionDoesNotExitParallelRegion">
+				<call-template name="genParallelSubstateConfigurationSetString">
+					<with-param name="s" select="$s"/>
+					<with-param name="t" select="$t"/>
+				</call-template>
+			</when>
+			<otherwise>
+				<call-template name="genNonParallelSubstateConfigurationSetString">
+					<with-param name="s" select="$s"/>
+					<with-param name="t" select="$t"/>
+				</call-template>
+			</otherwise>
+		</choose>
+
+
+		//set whether preempted
+		<if test="$t/@isPreempted">
+			isPreempted = true;
+		</if>
+	</template>
+
+
 	<template name="genContextHooks"/>
 	<template name="genStateHooks"/>
 	<template name="genExternalTriggerDispatcher"/>

Modified: commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/StatePatternStatechartGenerator.xsl
URL: http://svn.apache.org/viewvc/commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/StatePatternStatechartGenerator.xsl?rev=954058&r1=954057&r2=954058&view=diff
==============================================================================
--- commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/StatePatternStatechartGenerator.xsl
(original)
+++ commons/sandbox/gsoc/2010/scxml-js/trunk/test/xslt/StatePatternStatechartGenerator.xsl
Sat Jun 12 19:34:57 2010
@@ -18,9 +18,9 @@
 	<template name="genStateHooks">
 		<param name="state"/>
 		<for-each select="$state/s:transition">
-			<call-template name="genStateTriggerDispatcher">
-				<with-param name="state" select="$state"/>
-				<with-param name="transition" select="."/>
+			<call-template name="genTriggerDispatcherContext">
+				<with-param name="s" select="$state"/>
+				<with-param name="t" select="."/>
 			</call-template>
 		</for-each>
 	</template>



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