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/*******************************************************************************
* Copyright (c) 2011 protos software gmbh (http://www.protos.de).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* CONTRIBUTORS:
* Henrik Rentz-Reichert (initial contribution)
*
*******************************************************************************/
package org.eclipse.etrice.generator.c.gen
import com.google.inject.Inject
import com.google.inject.Singleton
import org.eclipse.etrice.core.genmodel.etricegen.ExpandedActorClass
import org.eclipse.etrice.generator.c.Main
import org.eclipse.etrice.generator.generic.GenericStateMachineGenerator
import org.eclipse.etrice.generator.generic.RoomExtensions
import org.eclipse.etrice.core.genmodel.fsm.fsmgen.ExpandedModelComponent
@Singleton
class StateMachineGen extends GenericStateMachineGenerator {
@Inject extension RoomExtensions
def genHeaderConstants(ExpandedActorClass xpac) {
val ac = xpac.actorClass
/* TODO: can save one entry if NO_STATE=-1 but influences Java */
val historySize = xpac.stateMachine.baseStateList.size - xpac.stateMachine.leafStateList.size + 2
'''
/* constant for state machine data */
#define «ac.name.toUpperCase»_HISTORY_SIZE «historySize»
'''
}
def genDataMembers(ExpandedActorClass xpac) {
val ac = xpac.actorClass
'''
/* state machine variables */
etInt16 state;
etInt16 history[«ac.name.toUpperCase»_HISTORY_SIZE];
'''
}
def genInitialization(ExpandedActorClass xpac) {
val ac = xpac.actorClass
'''
self->state = STATE_TOP;
{
int i;
for (i=0; i<«ac.name.toUpperCase»_HISTORY_SIZE; ++i)
self->history[i] = NO_STATE;
}
«langExt.operationScope(ac.name, false)»executeInitTransition(self);
'''
}
override public genExtra(ExpandedModelComponent xpmc) {
val mc = xpmc.modelComponent
val states = xpmc.stateMachine.baseStateList.getLeafStatesLast
'''
«IF Main::settings.generateMSCInstrumentation»
/* state names */
static char* stateStrings[] = {"<no state>","<top>",«FOR state : states SEPARATOR ","»"«state.genStatePathName»"
«ENDFOR»};
«ENDIF»
«langExt.accessLevelPrivate»void setState(«mc.componentName»* self, «stateType» new_state) {
self->state = new_state;
«IF Main::settings.generateMSCInstrumentation»
ET_MSC_LOGGER_CHANGE_STATE(self->constData->instName, stateStrings[new_state])
«ENDIF»
}
«langExt.accessLevelPrivate»«stateType» getState(«mc.componentName»* self) {
return self->state;
}
'''
}
override public stateType() {
"etInt16"
}
override markVariableUsed(String varname) {
'''
((void)trigger__et); /* avoids unused warning */
'''
}
override public unreachableReturn() {
"/* return NO_STATE; // required by CDT but detected as unreachable by JDT because of while (true) */"
}
}
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