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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 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* 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 static extension org.eclipse.etrice.core.genmodel.fsm.FsmGenExtensions.*
import org.eclipse.etrice.core.genmodel.fsm.fsmgen.GraphContainer
import org.eclipse.etrice.core.fsm.fSM.State
import org.eclipse.etrice.generator.c.setup.GeneratorOptionsHelper
@Singleton
class StateMachineGen extends GenericStateMachineGenerator {
@Inject extension RoomExtensions
@Inject protected extension GeneratorOptionsHelper
def genHeaderConstants(ExpandedActorClass xpac) {
val ac = xpac.actorClass
// this is the C generator and thus we have all states and they are enumerated with non-leaf states first
// starting with the NUM_PREDEF_STATE_CONSTANTS for TOP and NO_STATE
val historySize = xpac.graphContainer.graph.allStateNodes.filter[!isLeaf].size + NUM_PREDEF_STATE_CONSTANTS
'''
/* 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);
'''
}
/**
* @param generateImplementation NOT used
*/
override genExtra(GraphContainer gc, boolean generateImplementation) {
val mc = gc.component
val allStates = gc.graph.allStateNodes.map[stateGraphNode].filter(typeof(State)).toList
val states = allStates.getLeafStatesLast
'''
«IF Main::settings.generateMSCInstrumentation»
/* state names */
static const 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 stateType() {
"etInt16"
}
override boolType() {
"etBool"
}
override markVariableUsed(String varname) {
'''
((void)trigger__et); /* avoids unused warning */
'''
}
override unreachableReturn() {
"/* return NO_STATE; // required by CDT but detected as unreachable by JDT because of while (true) */"
}
}
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