/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.flex.compiler.internal.targets;
import java.io.File;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import java.util.Vector;
import org.apache.flex.abc.ABCConstants;
import org.apache.flex.abc.ABCEmitter;
import org.apache.flex.abc.ABCLinker;
import org.apache.flex.abc.ABCParser;
import org.apache.flex.abc.EntryOrderedStore;
import org.apache.flex.abc.ABCEmitter.EmitterClassVisitor;
import org.apache.flex.abc.Pool;
import org.apache.flex.abc.semantics.Metadata;
import org.apache.flex.abc.semantics.MethodInfo;
import org.apache.flex.abc.semantics.Name;
import org.apache.flex.abc.semantics.Namespace;
import org.apache.flex.abc.semantics.Trait;
import org.apache.flex.compiler.config.RSLSettings;
import org.apache.flex.compiler.constants.IASLanguageConstants;
import org.apache.flex.compiler.constants.IMetaAttributeConstants;
import org.apache.flex.compiler.definitions.IDefinition;
import org.apache.flex.compiler.definitions.references.IResolvedQualifiersReference;
import org.apache.flex.compiler.definitions.references.ReferenceFactory;
import org.apache.flex.compiler.exceptions.BuildCanceledException;
import org.apache.flex.compiler.internal.caches.SWFCache;
import org.apache.flex.compiler.internal.definitions.ClassDefinition;
import org.apache.flex.compiler.internal.projects.CompilerProject;
import org.apache.flex.compiler.internal.projects.FlexProject;
import org.apache.flex.compiler.internal.scopes.ASProjectScope;
import org.apache.flex.compiler.internal.units.SWCCompilationUnit;
import org.apache.flex.compiler.problems.ICompilerProblem;
import org.apache.flex.compiler.problems.UnexpectedExceptionProblem;
import org.apache.flex.compiler.targets.ISWFTarget;
import org.apache.flex.compiler.targets.ITargetProgressMonitor;
import org.apache.flex.compiler.targets.ITargetReport;
import org.apache.flex.compiler.targets.ITargetSettings;
import org.apache.flex.compiler.units.ICompilationUnit;
import org.apache.flex.compiler.units.ICompilationUnit.UnitType;
import org.apache.flex.compiler.units.requests.ISWFTagsRequestResult;
import org.apache.flex.swc.ISWC;
import org.apache.flex.swc.ISWCLibrary;
import org.apache.flex.swf.ISWF;
import org.apache.flex.swf.SWF;
import org.apache.flex.swf.SWFFrame;
import org.apache.flex.swf.ISWFConstants;
import org.apache.flex.swf.tags.DoABCTag;
import org.apache.flex.swf.tags.IManagedTag;
import org.apache.flex.swf.tags.ITag;
import org.apache.flex.swf.tags.ScriptLimitsTag;
import org.apache.flex.swf.tags.SymbolClassTag;
import org.apache.flex.swf.types.RGB;
import org.apache.flex.swf.types.Rect;
import com.google.common.base.Function;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
/**
* Concrete implementation of ITarget for building a collection of source files
* into a SWF.
*/
public abstract class SWFTarget extends Target implements ISWFTarget
{
protected static final class SWFFrameInfo
{
public static final boolean EXTERNS_ALLOWED = true;
public static final boolean EXTERNS_DISALLOWED = false;
public SWFFrameInfo(String frameLabel, boolean allowExternals, Set<ICompilationUnit> rootedUnits, Iterable<ICompilerProblem> problems)
{
// character replaced came from the old compiler, so copy to match behavior
this.frameLabel = frameLabel != null ? frameLabel.replaceAll( "[^A-Za-z0-9]", "_" ) : null;
this.allowExternals = allowExternals;
this.rootedUnits = rootedUnits;
this.problems = problems;
}
public SWFFrameInfo(Set<ICompilationUnit> rootedUnits, Iterable<ICompilerProblem> problems)
{
this(null, EXTERNS_ALLOWED, rootedUnits, problems);
}
public final String frameLabel;
public final boolean allowExternals;
public final Set<ICompilationUnit> rootedUnits;
public final Iterable<ICompilerProblem> problems;
}
public SWFTarget(CompilerProject project, ITargetSettings targetSettings, ITargetProgressMonitor progressMonitor)
{
super(project, targetSettings, progressMonitor);
}
private Collection<ICompilerProblem> problemCollection;
private Target.RootedCompilationUnits rootedCompilationUnits;
protected Set<String> metadataDonators = new HashSet<String>();
protected boolean isLibrary = false;
/**
* Cached list of compilation units. This is a performance optimization to keep us from
* making redundant calls to topologicalSort.
*
* Note that this optimization only gives a small boost in observed cases.
*
* if non-null, this is the results of calling project.getReachableCompilationUnitsInSWFOrder(rootedCU);
* We will assume it doesn't change
*/
private List<ICompilationUnit> rootedCompilationUnitsAndDependenciesInSWFOrder;
/**
* Cached information about all the frames in the SWF.
*/
private FramesInformation framesInformation;
/**
* Cached {@link RGB} value for the SWF's background color.
*/
private RGB swfBackgroundColor;
/**
* Cached {@link ITargetAttributes} for the SWF
*/
private ITargetAttributes _targetAttributes;
/**
* Gets the set of {@link ICompilationUnit}s that are the roots of the graph of
* {@link ICompilationUnit}s whose output will be in the generate SWF.
* @return The set of {@link ICompilationUnit}s that are the roots of the graph of
* {@link ICompilationUnit}s whose output will be in the generate SWF
*/
@Override
public RootedCompilationUnits getRootedCompilationUnits() throws InterruptedException
{
if (rootedCompilationUnits == null)
rootedCompilationUnits = computeRootedCompilationUnits();
return rootedCompilationUnits;
}
/**
* Same as project.getReachableCompilationUnitsInSWFOrder(), but with a cache for the case of rooted compilation units
* @throws InterruptedException
*/
List<ICompilationUnit> getReachableCompilationUnitsInSWFOrder( Collection<ICompilationUnit> roots ) throws InterruptedException
{
List<ICompilationUnit> ret = null;
final RootedCompilationUnits rootedCompilationUnits = getRootedCompilationUnits();
// Determine if the "roots" in this call are the rooted compilation units for this target.
// We only cached the results for this case
boolean passedInRootedCompilationUnits = false;
if (roots.size() == rootedCompilationUnits.getUnits().size())
{
passedInRootedCompilationUnits = true;
for (ICompilationUnit cu : roots)
{
if (!rootedCompilationUnits.getUnits().contains(cu))
passedInRootedCompilationUnits = false;
}
}
// If this is the case that is cached, then get/make the cache
if (passedInRootedCompilationUnits)
{
if (rootedCompilationUnitsAndDependenciesInSWFOrder == null)
{
rootedCompilationUnitsAndDependenciesInSWFOrder = project.getReachableCompilationUnitsInSWFOrder(roots);
}
ret = rootedCompilationUnitsAndDependenciesInSWFOrder;
}
else
{
// If not the cached case, just call the function directly
ret = project.getReachableCompilationUnitsInSWFOrder(roots);
}
assert ret != null;
return ret;
}
/**
* Absolute path of the path that contains the reference to Object.
* We use this to determine which SWC contains native code so that
* we always exclude all of the definitions from that SWC.
*/
private String pathContainingObject;
@Override
public ISWF build(Collection<ICompilerProblem> problems)
{
buildStarted();
try
{
Iterable<ICompilerProblem> fatalProblems = getFatalProblems();
if (!Iterables.isEmpty(fatalProblems))
{
Iterables.addAll(problems, fatalProblems);
return null;
}
Set<ICompilationUnit> compilationUnitSet = new HashSet<ICompilationUnit>();
Target.RootedCompilationUnits rootedCompilationUnits = getRootedCompilationUnits();
// no rooted compilation could be found, but still create an empty SWF
// in this error case
if (rootedCompilationUnits.getUnits().isEmpty())
return buildEmptySWF();
compilationUnitSet.addAll(rootedCompilationUnits.getUnits());
this.problemCollection = problems;
FramesInformation frames = getFramesInformation();
BuiltCompilationUnitSet builtCompilationUnits =
getBuiltCompilationUnitSet();
Iterables.addAll(problems, builtCompilationUnits.problems);
doPostBuildWork(builtCompilationUnits.compilationUnits, problems);
ISWF swf = initializeSWF(getReachableCompilationUnitsInSWFOrder(rootedCompilationUnits.getUnits()));
// now that everything is built, the dependency graph is populated enough to do a topological sort on
// all compilation units needed by this target.
// The compilation units that define bases classes must occurs in the swf before
// compilation units that define classes that subclass those classes ( see
// inheritance dependencies in the {@link DependencyGraph} ).
Set<ICompilationUnit> emittedCompilationUnits = new HashSet<ICompilationUnit>();
frames.createFrames(this, swf, builtCompilationUnits.compilationUnits, emittedCompilationUnits, problems);
createLinkReport(problems);
// "Link" the resulting swf, if the optimize flag is set
return linkSWF(swf);
}
catch (BuildCanceledException bce)
{
return null;
}
catch (InterruptedException ie)
{
return null;
}
finally
{
buildFinished();
}
}
@Override
public TargetType getTargetType()
{
return TargetType.SWF;
}
protected final ITargetAttributes getTargetAttributes() throws InterruptedException
{
// if already computed, just return the cached value
if (_targetAttributes == null)
{
// first time - delegate to subclass to compute
_targetAttributes = computeTargetAttributes();
}
return _targetAttributes;
}
/**
* round-up user specified target attributes
* All derived classes must provide one, but they are free to provide "do nothing" implementations
* (like NilTargetAttributes)
*/
protected abstract ITargetAttributes computeTargetAttributes() throws InterruptedException;
/**
* Create the {@link FramesInformation} which contains the skeleton for the frames
* of this SWF. The actual frames will be create in doCreateFrames().
* @throws InterruptedException
*/
protected abstract FramesInformation computeFramesInformation() throws InterruptedException;
protected final FramesInformation getFramesInformation() throws InterruptedException
{
if (framesInformation != null)
return framesInformation;
framesInformation = computeFramesInformation();
return framesInformation;
}
/**
* Check the build and analyze the results before the SWF target is
* initialized.
*
* @param compilationUnits The set of compilation units after
* buildAndCollectProblems() has run.
* @param problems A collection where discovered problems are appended.
*/
protected void doPostBuildWork(ImmutableSet<ICompilationUnit> compilationUnits,
Collection<ICompilerProblem> problems) throws InterruptedException
{
}
/**
* Creates a new instance of a SWF.
*
* @return a new instance of a SWF.
*/
protected SWF buildEmptySWF()
{
return new SWF();
}
/**
* Add to the collection of compiler problems.
*
* @param problem
*/
protected void reportProblem(ICompilerProblem problem)
{
assert problemCollection != null;
problemCollection.add(problem);
}
/**
* Add a set of root classes and its dependencies to a new frame or to an existing
* frame.
* @param frame if null a new frame will be created for the classes. Otherwise the
* classes will be added to the existing frame.
* @param frameRootClasses
* @param projectScope
* @param allowExternals
* @param emittedCompilationUnits
* @return The SWF frame.
* @throws InterruptedException
*/
protected SWFFrame createWithClassesAndItsDependencies(SWFFrame frame,
Collection<ClassDefinition> frameRootClasses, ASProjectScope projectScope,
boolean allowExternals,
Set<ICompilationUnit> emittedCompilationUnits) throws InterruptedException
{
final List<ICompilationUnit> rootedUnitsForFrame = new LinkedList<ICompilationUnit>();
for (ClassDefinition frameRootClass : frameRootClasses)
{
final Collection<IDefinition> extraDefinitions = frameRootClass.resolveExtraClasses(project);
final ICompilationUnit frameFactoryClassCompilationUnit = projectScope.getCompilationUnitForDefinition(frameRootClass);
assert frameFactoryClassCompilationUnit != null;
rootedUnitsForFrame.add(frameFactoryClassCompilationUnit);
for (IDefinition extraDef : extraDefinitions)
{
if (!extraDef.isImplicit())
{
ICompilationUnit extraDefCompilationUnit = projectScope.getCompilationUnitForDefinition(extraDef);
assert extraDefCompilationUnit != null;
rootedUnitsForFrame.add(extraDefCompilationUnit);
}
}
}
if (frame == null)
frame = new SWFFrame();
if (!addCompilationUnitsAndDependenciesToFrame(frame, rootedUnitsForFrame, allowExternals, emittedCompilationUnits))
return null;
return frame;
}
protected boolean addCompilationUnitsAndDependenciesToFrame(SWFFrame frame,
Collection<ICompilationUnit> rootedUnitsForFrame,
boolean allowExternals,
Set<ICompilationUnit> emittedCompilationUnits) throws InterruptedException
{
List<ICompilationUnit> unitsForFrame = this.getReachableCompilationUnitsInSWFOrder(rootedUnitsForFrame);
for (ICompilationUnit cu : unitsForFrame)
{
if (emittedCompilationUnits.add(cu))
{
boolean includeCu = testCompilationUnitLinkage(cu, allowExternals);
doAddMetadataNamesToTarget(cu, includeCu);
if (includeCu)
{
ISWFTagsRequestResult swfTags = cu.getSWFTagsRequest().get();
if (targetSettings.allowSubclassOverrides() && !isLibrary)
{
// scan the ABC in each CU for overrides that need fixing.
// the override needs to be put back to the base override
// otherwise you will get a verify error at runtime
boolean changedABC = false;
final DoABCTag doABC = swfTags.getDoABCTag();
ABCParser parser = new ABCParser(doABC.getABCData());
ABCEmitter emitter = new ABCEmitter();
try {
parser.parseABC(emitter);
Collection<EmitterClassVisitor> classes = emitter.getDefinedClasses();
for (EmitterClassVisitor clazz : classes)
{
System.out.println("scanning for overrides: " + clazz.getInstanceInfo().name.getBaseName());
Iterator<Trait> instanceTraits = clazz.instanceTraits.iterator();
while (instanceTraits.hasNext())
{
Trait trait = instanceTraits.next();
Vector<Metadata> metas = trait.getMetadata();
metas:
for (Metadata meta : metas)
{
if (meta.getName().equals(IMetaAttributeConstants.ATTRIBUTE_SWFOVERRIDE))
{
EntryOrderedStore<MethodInfo> methods = emitter.getMethodInfos();
for (MethodInfo method : methods)
{
String methodName = method.getMethodName();
if (methodName == null) continue;
if (methodName.equals(trait.getName().getBaseName()))
{
String[] keys = meta.getKeys();
int n = keys.length;
for (int i = 0; i < n; i++)
{
if (keys[i].equals(IMetaAttributeConstants.NAME_SWFOVERRIDE_RETURNS))
{
String returnString = meta.getValues()[i];
int c = returnString.lastIndexOf(".");
String packageName = "";
String baseName = returnString;
if (c != -1)
{
packageName = returnString.substring(0, c);
baseName = returnString.substring(c + 1);
}
Pool<Name> namePool = emitter.getNamePool();
List<Name> nameList = namePool.getValues();
boolean foundName = false;
for (Name name : nameList)
{
String base = name.getBaseName();
if (base == null) continue;
Namespace ns = name.getSingleQualifier();
if (ns == null) continue;
String nsName = ns.getName();
if (nsName == null) continue;
if (base.equals(baseName) &&
nsName.equals(packageName))
{
method.setReturnType(name);
foundName = true;
changedABC = true;
break metas;
}
}
if (!foundName)
{
Pool<String> stringPool = emitter.getStringPool();
stringPool.add(packageName);// theoretically, it won't be added if already there
stringPool.add(baseName); // theoretically, it won't be added if already there
Namespace ns = new Namespace(ABCConstants.CONSTANT_PackageNs, packageName);
Pool<Namespace> nsPool = emitter.getNamespacePool();
nsPool.add(ns);
Name name = new Name(ns, baseName);
namePool.add(name);
method.setReturnType(name);
changedABC = true;
break metas;
}
}
else if (keys[i].equals(IMetaAttributeConstants.NAME_SWFOVERRIDE_PARAMS))
{
String paramList = meta.getValues()[i];
String[] parts;
if (paramList.contains(","))
parts = paramList.split(",");
else
{
parts = new String[1];
parts[0] = paramList;
}
Vector<Name> newList = new Vector<Name>();
for (String part : parts)
{
int c = part.lastIndexOf(".");
String packageName = "";
String baseName = part;
if (c != -1)
{
packageName = part.substring(0, c);
baseName = part.substring(c + 1);
}
Pool<Name> namePool = emitter.getNamePool();
List<Name> nameList = namePool.getValues();
boolean foundName = false;
for (Name name : nameList)
{
String base = name.getBaseName();
if (base == null) continue;
Namespace ns = name.getSingleQualifier();
if (ns == null) continue;
String nsName = ns.getName();
if (nsName == null) continue;
if (base.equals(baseName) &&
nsName.equals(packageName))
{
newList.add(name);
foundName = true;
changedABC = true;
break;
}
}
if (!foundName)
{
Pool<String> stringPool = emitter.getStringPool();
stringPool.add(packageName);// theoretically, it won't be added if already there
stringPool.add(baseName); // theoretically, it won't be added if already there
Namespace ns = new Namespace(ABCConstants.CONSTANT_PackageNs, packageName);
Pool<Namespace> nsPool = emitter.getNamespacePool();
nsPool.add(ns);
Name name = new Name(ns, baseName);
namePool.add(name);
newList.add(name);
changedABC = true;
}
}
method.setParamTypes(newList);
break metas;
}
}
}
}
}
}
}
}
}
catch (Exception ee) {}
if (changedABC)
{
try {
doABC.setABCData(emitter.emit());
} catch (Exception e) {
reportProblem(new UnexpectedExceptionProblem(e));
return false;
}
}
}
boolean tagsAdded = swfTags.addToFrame(frame);
if (!tagsAdded)
return false;
}
}
}
return true;
}
/**
* Add metadata names to the target for this compilation unit.
*
* @param cu
* @param linkedIn true if the compilation unit is linked in, false if
* external.
*/
protected void doAddMetadataNamesToTarget(ICompilationUnit cu, boolean linkedIn)
{
if (shouldAddMetadataNamesToTarget(cu, linkedIn))
{
if (metadataDonators.add(cu.getAbsoluteFilename()))
{
ISWC swc = project.getWorkspace().getSWCManager().
get(new File(cu.getAbsoluteFilename()));
for (ISWCLibrary library : swc.getLibraries())
{
addASMetadataNames(library.getKeepAS3MetadataSet());
}
}
}
}
/**
* Test if any metadata names associated with the compilation unit should be
* added to the target.
*
* @param cu
* @param linkedIn true if the compilation unit is linked in, false if
* external.
* @return true if the metadata names should be included, false otherwise.
*/
protected boolean shouldAddMetadataNamesToTarget(ICompilationUnit cu, boolean linkedIn)
{
return (cu.getCompilationUnitType() == UnitType.SWC_UNIT &&
!isLinkageAlwaysExternal(cu));
}
/**
* Test if a compilation unit should be include in this target.
*
* @param cu
* @param allowExternals
* @return True if the compilation should be included, false otherwise.
* @throws InterruptedException
*/
protected boolean testCompilationUnitLinkage(ICompilationUnit cu, boolean allowExternals) throws InterruptedException
{
boolean includeCu = true;
if (!allowExternals)
includeCu = !isLinkageAlwaysExternal(cu);
else if (isLinkageExternal(cu, targetSettings))
includeCu = false;
return includeCu;
}
/**
* Test if this compilation unit should always be externalized. Native code
* cannot be included in an application. We for test native code by checking
* for the SWC that contains the definition of Object and externalize all of
* the classes in that SWC. Compilation units that come from an ANE are also
* always externalized.
*
* @param cu
* @return true if the compilation unit should always be externalized, false
* otherwise.
*/
private boolean isLinkageAlwaysExternal(ICompilationUnit cu)
{
if (cu.getCompilationUnitType() != UnitType.SWC_UNIT)
return false;
// Find the SWC that contains Object.
if (pathContainingObject == null)
{
IResolvedQualifiersReference objectReference = ReferenceFactory.packageQualifiedReference(
project.getWorkspace(),
IASLanguageConstants.Object);
Set<ICompilationUnit> units = project.getScope().
getCompilationUnitsForReferences(Collections.singletonList(objectReference));
assert units.size() == 1;
pathContainingObject = units.iterator().next().getAbsoluteFilename();
assert pathContainingObject != null;
}
// If this compilation unit comes from the same SWC as the SWC that
// contains Object then we must always extern the class.
if (pathContainingObject.equals(cu.getAbsoluteFilename()))
return true;
// Test if the compilation unit is from an ANE file.
if (cu instanceof SWCCompilationUnit)
return ((SWCCompilationUnit)cu).isANE();
return false;
}
protected abstract void addLinkedABCToFrame(SWFFrame targetFrame, Iterable<DoABCTag> inputABCs, ABCLinker.ABCLinkerSettings linkSettings) throws Exception;
protected abstract void setKeepAS3MetadataLinkerSetting(ABCLinker.ABCLinkerSettings linkSettings);
/**
* Link the swf - this handles merging the DoABC tags inside each frame, and will
* also handle stripping debug opcodes, optimizing the abcs, and/or stripping metadata
* @param unLinked the SWF to process
* @return A SWF that is the resulting of merging, optimizing, etc.
*/
protected ISWF linkSWF(ISWF unLinked)
{
SWF result = new SWF();
if( unLinked.getBackgroundColor() != null )
result.setBackgroundColor(unLinked.getBackgroundColor());
result.setEnableDebugger2(unLinked.getEnableDebugger2());
result.setFrameRate(unLinked.getFrameRate());
result.setFrameSize(unLinked.getFrameSize());
result.setMetadata(unLinked.getMetadata());
ScriptLimitsTag scriptLimits = unLinked.getScriptLimits();
if (scriptLimits != null)
result.setScriptLimits(scriptLimits.getMaxRecursionDepth(), scriptLimits.getScriptTimeoutSeconds());
result.setTopLevelClass(unLinked.getTopLevelClass());
result.setUseAS3(unLinked.getUseAS3());
result.setUseDirectBlit(unLinked.getUseDirectBlit());
result.setUseGPU(unLinked.getUseGPU());
result.setUseNetwork(unLinked.getUseNetwork());
result.setVersion(unLinked.getVersion());
result.setProductInfo(unLinked.getProductInfo());
ITargetSettings settings = getTargetSettings();
ABCLinker.ABCLinkerSettings linkSettings = new ABCLinker.ABCLinkerSettings();
linkSettings.setOptimize(settings.isOptimized());
linkSettings.setEnableInlining(project.isInliningEnabled());
linkSettings.setStripDebugOpcodes(!settings.isDebugEnabled());
linkSettings.setStripGotoDefinitionHelp(!settings.isDebugEnabled());
linkSettings.setStripFileAttributeFromGotoDefinitionHelp(settings.isOptimized());
linkSettings.setProblemsCollection(this.problemCollection);
linkSettings.setRemoveDeadCode(settings.getRemoveDeadCode());
Collection<String> metadataNames = getASMetadataNames();
if (settings.isDebugEnabled() && metadataNames != null)
{
Collection<String> names = new ArrayList<String>(metadataNames);
names.add(IMetaAttributeConstants.ATTRIBUTE_GOTODEFINITIONHELP);
names.add(IMetaAttributeConstants.ATTRIBUTE_GOTODEFINITION_CTOR_HELP);
metadataNames = names;
}
setKeepAS3MetadataLinkerSetting(linkSettings);
for (int i = 0; i < unLinked.getFrameCount(); ++i)
{
SWFFrame unlinkedFrame = unLinked.getFrameAt(i);
SWFFrame resultFrame = new SWFFrame();
if( unlinkedFrame.getName() != null )
resultFrame.setName(unlinkedFrame.getName(), unlinkedFrame.hasNamedAnchor());
LinkedList<DoABCTag> accumulatedABC = new LinkedList<DoABCTag>();
for (ITag unlinkedTag : unlinkedFrame)
{
if (unlinkedTag instanceof DoABCTag)
{
final DoABCTag abcTag = (DoABCTag)unlinkedTag;
accumulatedABC.add(abcTag);
}
else
{
if (!accumulatedABC.isEmpty())
{
try
{
addLinkedABCToFrame(resultFrame, accumulatedABC, linkSettings);
}
catch (Exception e)
{
return unLinked;
}
accumulatedABC.clear();
}
if (!(unlinkedTag instanceof IManagedTag))
{
resultFrame.addTag(unlinkedTag);
}
else if( unlinkedTag instanceof SymbolClassTag )
{
SymbolClassTag s = (SymbolClassTag)unlinkedTag;
for( String symbol_name : s.getSymbolNames() )
{
resultFrame.defineSymbol(s.getSymbol(symbol_name), symbol_name);
}
}
}
}
if (!accumulatedABC.isEmpty())
{
try
{
addLinkedABCToFrame(resultFrame, accumulatedABC, linkSettings);
}
catch (Exception e)
{
return unLinked;
}
accumulatedABC.clear();
}
result.addFrame(resultFrame);
}
return result;
}
/**
* {@inheritDoc}
* <p>
* For {@link SWFTarget}'s the set of rooted {@link ICompilationUnit}s is computed
* by enumerating all the frames and collecting all the {@link ICompilationUnit}s assigned
* to each of the frames.
*/
@Override
protected RootedCompilationUnits computeRootedCompilationUnits() throws InterruptedException
{
final FramesInformation framesInfo = getFramesInformation();
final RootedCompilationUnits rootedCompilationUnits =
new RootedCompilationUnits(ImmutableSet.copyOf(framesInfo.getAllCompilationUnits()), framesInfo.getProblems());
return rootedCompilationUnits;
}
/**
* Initialize SWF model with default header values from the target settings
* when not overridden by the target attributes.
*
* @return SWF model.
* @throws InterruptedException
*/
protected ISWF initializeSWF(List<ICompilationUnit> reachableCompilationUnits) throws InterruptedException
{
int swfVersion = targetSettings.getSWFVersion();
int swfWidth = targetSettings.getDefaultWidth();
ITargetAttributes targetAttributes = getTargetAttributes();
Float attrWidth = targetAttributes.getWidth();
if (attrWidth != null)
swfWidth = attrWidth.intValue();
int swfHeight = targetSettings.getDefaultHeight();
Float attrHeight = targetAttributes.getHeight();
if (attrHeight != null)
swfHeight = attrHeight.intValue();
Rect swfFrameSize = new Rect(ISWFConstants.TWIPS_PER_PIXEL * swfWidth,
ISWFConstants.TWIPS_PER_PIXEL * swfHeight);
float swfFrameRate = targetSettings.getDefaultFrameRate();
Float attrFrameRate = targetAttributes.getFrameRate();
if (attrFrameRate != null)
swfFrameRate = attrFrameRate.floatValue();
boolean swfUseDirectBlit = targetSettings.useDirectBlit();
Boolean attrUseDirectBlit = targetAttributes.getUseDirectBlit();
if (attrUseDirectBlit != null)
swfUseDirectBlit = attrUseDirectBlit.booleanValue();
boolean swfUseGPU = targetSettings.useGPU();
Boolean attrUseGPU = targetAttributes.getUseGPU();
if (attrUseGPU != null)
swfUseGPU = attrUseGPU.booleanValue();
final RGB swfBackgroundColorRGB = getBackgroundColor();
SWF swf = new SWF();
swf.setVersion(swfVersion);
swf.setFrameSize(swfFrameSize);
swf.setFrameRate(swfFrameRate);
swf.setUseDirectBlit(swfUseDirectBlit);
swf.setUseGPU(swfUseGPU);
swf.setBackgroundColor(swfBackgroundColorRGB);
swf.setUseAS3(swfVersion >= 9);
swf.setUseNetwork(targetSettings.useNetwork());
swf.setMetadata(targetSettings.getSWFMetadata());
// Apply the ScriptLimits tag, but only if limits have been specified
// either in the targetSettings or targetAttributes
Integer attrScriptRecursionLimit = targetAttributes.getScriptRecursionLimit();
Integer attrScriptTimeLimit = targetAttributes.getScriptTimeLimit();
if (targetSettings.areDefaultScriptLimitsSet() || attrScriptRecursionLimit != null || attrScriptTimeLimit != null)
{
int swfMaxRecursionDepth = targetSettings.getDefaultScriptRecursionLimit();
if (attrScriptRecursionLimit != null)
swfMaxRecursionDepth = attrScriptRecursionLimit.intValue();
int swfScriptTimeoutSeconds = targetSettings.getDefaultScriptTimeLimit();
if (attrScriptTimeLimit != null)
swfScriptTimeoutSeconds = attrScriptTimeLimit.intValue();
swf.setScriptLimits(swfMaxRecursionDepth, swfScriptTimeoutSeconds);
}
return swf;
}
protected final RGB getBackgroundColor() throws InterruptedException
{
if (swfBackgroundColor != null)
return swfBackgroundColor;
int swfBackgroundColorInt = targetSettings.getDefaultBackgroundColor();
String attrBackgroundColorString = getTargetAttributes().getBackgroundColor();
if (!Strings.isNullOrEmpty(attrBackgroundColorString))
{
if (project instanceof FlexProject)
swfBackgroundColorInt = ((FlexProject)project).getColorAsInt(attrBackgroundColorString);
else
swfBackgroundColorInt = Integer.decode(attrBackgroundColorString).intValue();
}
swfBackgroundColor = new RGB(swfBackgroundColorInt);
return swfBackgroundColor;
}
@Override
protected ITargetReport computeTargetReport() throws InterruptedException
{
BuiltCompilationUnitSet builtCompilationUnits = getBuiltCompilationUnitSet();
return new TargetReport(project, builtCompilationUnits.compilationUnits, Collections.<RSLSettings>emptyList(),
getBackgroundColor(), targetSettings, getTargetAttributes(), getLinkageChecker());
}
/**
* Contains information about the skeleton of a SWF that is being built by
* a {@link SWFTarget} and provides methods to create {@link SWFFrame}s and add them
* to a {@link ISWF}.
*/
protected static class FramesInformation
{
public FramesInformation(Iterable<SWFFrameInfo> frameInfos)
{
this.frameInfos = frameInfos;
}
/**
* {@link Iterable} of {@link SWFFrameInfo}s which represents the
* skeleton of a SWF being built by a {@link SWFTarget}.
*/
public final Iterable<SWFFrameInfo> frameInfos;
/**
* @return An {@link Iterable} of {@link ICompilerProblem}s that can be
* used to iterate all the {@link ICompilerProblem}s found while
* building the skeleton of a SWF being built by a {@link SWFTarget}.
*/
final Iterable<ICompilerProblem> getProblems()
{
Iterable<Iterable<ICompilerProblem>> problemIterables =
Iterables.transform(frameInfos, new Function<SWFFrameInfo, Iterable<ICompilerProblem>>() {
@Override
public Iterable<ICompilerProblem> apply(SWFFrameInfo frame)
{
return frame.problems;
}});
return Iterables.concat(problemIterables);
}
/**
* @return An {@link Iterable} of {@link ICompilationUnit}s that are rooted by
* the skeleton of a SWF buing built by a {@link SWFTarget}.
*/
final Iterable<ICompilationUnit> getAllCompilationUnits()
{
Iterable<Iterable<ICompilationUnit>> compilationUnitIterables =
Iterables.transform(frameInfos, new Function<SWFFrameInfo, Iterable<ICompilationUnit>>() {
@Override
public Iterable<ICompilationUnit> apply(SWFFrameInfo frame)
{
return frame.rootedUnits;
}});
return Iterables.concat(compilationUnitIterables);
}
/**
* Creates a {@link SWFFrame} for a {@link SWFFrameInfo}.
*
* @param swfTarget The {@link SWFTarget} that is building the SWF to
* which the newly created {@link SWFFrame} will be added.
* @param frameInfo The {@link SWFFrameInfo} that represents the skeleton
* of the SWF frame to create.
* @param builtCompilationUnits The {@link ImmutableSet} of
* {@link ICompilationUnit}s that have been built to create the SWF
* being built by the specified {@link SWFTarget}. This {@link Set} is
* used to write an assert.
* @param emittedCompilationUnits The {@link Set} of
* {@link ICompilationUnit}s that any {@link ICompilationUnit}s added to
* this frame should be added to. This {@link Set} is used to ensure
* that each {@link ICompilationUnit} is only added to a single frame in
* a SWF.
* @param problems {@link Collection} of {@link ICompilerProblem}s that
* any {@link ICompilerProblem}s from any {@link ICompilationUnit} added
* to the new {@link SWFFrame} should be added to.
* @return A new {@link SWFFrame}.
* @throws InterruptedException
*/
protected final SWFFrame createFrame(SWFTarget swfTarget, SWFFrameInfo frameInfo, ImmutableSet<ICompilationUnit> builtCompilationUnits, Set<ICompilationUnit> emittedCompilationUnits, Collection<ICompilerProblem> problems) throws InterruptedException
{
Iterables.addAll(problems, frameInfo.problems);
final SWFFrame swfFrame = new SWFFrame();
if (frameInfo.frameLabel != null)
swfFrame.setName(frameInfo.frameLabel, true);
assert Sets.difference(frameInfo.rootedUnits, builtCompilationUnits).isEmpty()
: "All compilation units to emit on this frame should have been built!";
if (!swfTarget.addCompilationUnitsAndDependenciesToFrame(swfFrame, frameInfo.rootedUnits,
frameInfo.allowExternals, emittedCompilationUnits))
{
return null;
}
return swfFrame;
}
/**
* Creates all the {@link SWFFrame}s for the SWF skeleton represented by
* this {@link FramesInformation} and adds them to the specified
* {@link ISWF}.
* <p>
* This method is overridden by sub-classes of {@link FramesInformation}.
*
* @param swfTarget The {@link SWFTarget} that is building the SWF to
* which the newly created {@link SWFFrame}s will be added.
* @param swf The {@link ISWF} to which the new created {@link SWFFrame}
* s will be added.
* @param builtCompilationUnits The {@link ImmutableSet} of
* {@link ICompilationUnit}s that have been built to create the SWF
* being built by the specified {@link SWFTarget}. Sub-classes use this
* set to generate code that supports startup of the Flex framework.
* @param emittedCompilationUnits The {@link Set} of
* {@link ICompilationUnit}s that any {@link ICompilationUnit}s added to
* this frame should be added to. This {@link Set} is used to ensure
* that each {@link ICompilationUnit} is only added to a single frame in
* a SWF.
* @param problems {@link Collection} of {@link ICompilerProblem}s that
* any {@link ICompilerProblem}s from any {@link ICompilationUnit} added
* to the new {@link SWFFrame}s should be added to.
* @throws InterruptedException
*/
protected void createFrames(SWFTarget swfTarget, ISWF swf, ImmutableSet<ICompilationUnit> builtCompilationUnits, Set<ICompilationUnit> emittedCompilationUnits, Collection<ICompilerProblem> problems) throws InterruptedException
{
for (final SWFFrameInfo frameInfo : frameInfos)
{
SWFFrame swfFrame = createFrame(swfTarget, frameInfo, builtCompilationUnits, emittedCompilationUnits, problems);
swf.addFrame(swfFrame);
}
}
}
}