/**
* recursive method to get all conditions from "condition tree"
*
* @param conds - at the beginning root conditions, at lower level conditions under
* CompoundCondition
* @param op - at the beginning null, at lower level operator of Compound Condition
* @return group of its subgroups and of conditions
*/
private GenPredicGroup getGroupConditions(Conditions conds, GenPredicGroup.EOperator op) {
GenPredicGroup myConds = new GenPredicGroup();
myConds.setOperator((op != null) ? op : GenPredicGroup.EOperator.ALL);
Iterator<Condition> it = conds.iterator();
while (it.hasNext()) {
Condition cond = it.next();
// if true, a new condition group is created and filled
if (cond instanceof CompoundCondition) {
// set group operator
GenPredicGroup.EOperator actualOp = null;
if (cond instanceof ConditionAll) {
actualOp = GenPredicGroup.EOperator.ALL;
} else if (cond instanceof ConditionAny) {
actualOp = GenPredicGroup.EOperator.ANY;
} else if (cond instanceof ConditionNone) {
actualOp = GenPredicGroup.EOperator.NONE;
}
if (myConds.getMyGroups() == null) {
myConds.setMyGroups(new ArrayList<GenPredicGroup>());
}
// call recursively to get conditions of actual group
myConds
.getMyGroups()
.add(getGroupConditions(((CompoundCondition) cond).getConditions(), actualOp));
} else {
// get condition
if (myConds.getGeneratorPredicts() == null) {
myConds.setGeneratorPredicts(new ArrayList<GeneratorPredicate>());
}
myConds.getGeneratorPredicts().add(getGP(cond));
}
}
return myConds;
}
/**
* according to .gwt.xml files generates a LinkedMap which has interfaces as keys array of
* generators as values keys are sorted according order of <generate-with> elements in .gwt.xml
* files
*
* @param context
* @throws UnableToCompleteException
*/
private void fillUpGeneratorChainMap(TreeLogger logger, GeneratorContext context)
throws UnableToCompleteException {
GeneratorChain.customGenerators = new LinkedList<AbstractGenerator>();
GeneratorChain.replacers = new LinkedList<AbstractGenerator>();
GeneratorChain.thirdPartyGenerators = new LinkedHashMap<Generator, AbstractGenerator>();
ModuleDef moduleDef =
((CompilerContext) getPrivateField(context, "compilerContext")).getModule();
Rules rules = moduleDef.getRules();
Iterator<Rule> rulesIter = rules.iterator();
while (rulesIter.hasNext()) {
Rule rul = rulesIter.next();
Generator gen = null;
// =================replace with
if (rul instanceof RuleReplaceWith) {
String replaceClass = (String) getPrivateField(rul, "replacementTypeName");
gen = new ReplaceByGenerator(replaceClass);
// gen = null;
// =================generate with
} else if (rul instanceof RuleGenerateWith) {
Class<? extends Generator> generatorClass =
(Class<? extends Generator>) getPrivateField(rul, "generatorClass");
Constructor<?> constructor;
try {
constructor = generatorClass.getDeclaredConstructor();
} catch (Exception e) {
logger.log(
Type.ERROR, "Unable to obtain default constructor of generator " + generatorClass);
throw new UnableToCompleteException();
}
constructor.setAccessible(true);
try {
gen = (Generator) constructor.newInstance();
} catch (Exception e) {
logger.log(Type.ERROR, "Unable to create instance of generator " + generatorClass);
throw new UnableToCompleteException();
}
}
if (gen != null) {
if (gen instanceof AbstractGenerator) {
GenPredicGroup newGroup = null;
AbstractGenerator myGen = (AbstractGenerator) gen;
if (GeneratorChain.customGenerators.contains(gen)
|| GeneratorChain.replacers.contains(gen)) {
newGroup = addPredicsToExisting(rul, myGen.getConditions());
myGen.setConditions(newGroup);
} else {
newGroup = getGroupConditions(rul.getRootCondition().getConditions(), null);
myGen.setConditions(newGroup);
if (gen instanceof ReplaceByGenerator) {
GeneratorChain.replacers.addFirst(myGen);
} else {
GeneratorChain.customGenerators.addFirst(myGen);
}
}
} else {
if (GeneratorChain.thirdPartyGenerators.containsKey(gen)) {
AbstractGenerator myGen = GeneratorChain.thirdPartyGenerators.get(gen);
GenPredicGroup newGroup = addPredicsToExisting(rul, myGen.getConditions());
myGen.setConditions(newGroup);
GeneratorChain.thirdPartyGenerators.put(gen, myGen);
} else {
AbstractGenerator myGen =
new AbstractGenerator() {
@Override
public String doGenerate(
TreeLogger logger, GeneratorContext context, String typeName)
throws UnableToCompleteException {
return null;
}
};
myGen.setConditions(getGroupConditions(rul.getRootCondition().getConditions(), null));
GeneratorChain.thirdPartyGenerators.put(gen, myGen);
}
}
}
}
}