public void testOneDimensionPermWithCollapse() {
ModuleDef md = new ModuleDef("testOneDimensionPerm");
Properties properties = md.getProperties();
{
BindingProperty bindingProperty = properties.createBinding("debug");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "false");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "true");
bindingProperty.addCollapsedValues("true", "false");
}
// Permutations and their values are in stable alphabetical order.
//
PropertyCombinations permutations =
new PropertyCombinations(md.getProperties(), md.getActiveLinkerNames());
List<PropertyCombinations> collapsed = permutations.collapseProperties();
assertEquals("size", 1, collapsed.size());
permutations = collapsed.get(0);
String[] permutation;
Iterator<String[]> it = permutations.iterator();
assertTrue(it.hasNext());
permutation = it.next();
assertEquals("false", permutation[0]);
assertTrue(it.hasNext());
permutation = it.next();
assertEquals("true", permutation[0]);
}
public void testTwoDimensionPermWithExtension() {
// This is what you'd get with a conditional <extend-property>
ModuleDef md = new ModuleDef("testTwoDimensionsWithConditions");
Properties properties = md.getProperties();
{
BindingProperty bindingProperty = properties.createBinding("user.agent");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "moz");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "ie6");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "ie8");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "opera");
}
{
BindingProperty bindingProperty = properties.createBinding("stackTraces");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "false");
ConditionAny cond = new ConditionAny();
cond.getConditions().add(new ConditionWhenPropertyIs("user.agent", "ie6"));
cond.getConditions().add(new ConditionWhenPropertyIs("user.agent", "ie8"));
bindingProperty.addDefinedValue(cond, "true");
}
validateTwoDimensionPerm(properties, md.getActiveLinkerNames());
}
private static String chooseDefault(BindingProperty property, String... candidates) {
for (String candidate : candidates) {
if (property.isAllowedValue(candidate)) {
return candidate;
}
}
return property.getFirstAllowedValue();
}
/** Sets a binding even if it's set to a different value in the GWT application. */
private static void overrideBinding(ModuleDef module, String propName, String newValue) {
BindingProperty binding = module.getProperties().findBindingProp(propName);
if (binding != null) {
// This sets both allowed and generated values, which is needed since the module
// might have explicitly disallowed the value.
// It persists over multiple compiles but that's okay since we set it the same way
// every time.
binding.setValues(binding.getRootCondition(), newValue);
}
}
/** Make sure that a cycle doesn't cause an infinite loop. */
public void testCycle() {
// This is what you'd get with a conditional <set-property value="false">
ModuleDef md = new ModuleDef("testCycle");
Properties properties = md.getProperties();
{
BindingProperty bindingProperty = properties.createBinding("A");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "a1");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "a2");
bindingProperty.addDefinedValue(new ConditionWhenPropertyIs("B", "b3"), "a3");
}
{
BindingProperty bindingProperty = properties.createBinding("B");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "b1");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "b2");
bindingProperty.addDefinedValue(new ConditionWhenPropertyIs("A", "a3"), "b3");
}
try {
new PropertyCombinations(properties, md.getActiveLinkerNames());
fail();
} catch (IllegalStateException e) {
// OK
}
}
public void testTwoDimensionPerm() {
ModuleDef md = new ModuleDef("testTwoDimensionPerm");
Properties properties = md.getProperties();
{
BindingProperty bindingProperty = properties.createBinding("user.agent");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "moz");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "ie6");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "opera");
}
{
BindingProperty bindingProperty = properties.createBinding("debug");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "false");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "true");
}
// String[]s and their values are in stable alphabetical order.
//
PropertyCombinations permutations =
new PropertyCombinations(md.getProperties(), md.getActiveLinkerNames());
String[] permutation;
Iterator<String[]> it = permutations.iterator();
assertTrue(it.hasNext());
permutation = it.next();
assertEquals("false", permutation[0]);
assertEquals("ie6", permutation[1]);
assertTrue(it.hasNext());
permutation = it.next();
assertEquals("false", permutation[0]);
assertEquals("moz", permutation[1]);
assertTrue(it.hasNext());
permutation = it.next();
assertEquals("false", permutation[0]);
assertEquals("opera", permutation[1]);
assertTrue(it.hasNext());
permutation = it.next();
assertEquals("true", permutation[0]);
assertEquals("ie6", permutation[1]);
assertTrue(it.hasNext());
permutation = it.next();
assertEquals("true", permutation[0]);
assertEquals("moz", permutation[1]);
assertTrue(it.hasNext());
permutation = it.next();
assertEquals("true", permutation[0]);
assertEquals("opera", permutation[1]);
}
public void testTwoDimensionPermWithCollapse() {
ModuleDef md = new ModuleDef("testTwoDimensionPerm");
Properties properties = md.getProperties();
{
BindingProperty bindingProperty = properties.createBinding("user.agent");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "moz");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "ie6");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "opera");
bindingProperty.addCollapsedValues("moz", "ie6", "opera");
}
{
BindingProperty bindingProperty = properties.createBinding("debug");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "false");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "true");
}
// String[]s and their values are in stable alphabetical order.
//
PropertyCombinations permutations =
new PropertyCombinations(md.getProperties(), md.getActiveLinkerNames());
List<PropertyCombinations> collapsed = permutations.collapseProperties();
assertEquals("size", 2, collapsed.size());
Iterator<String[]> it = collapsed.get(0).iterator();
assertEquals(Arrays.asList("false", "ie6"), Arrays.asList(it.next()));
assertEquals(Arrays.asList("false", "moz"), Arrays.asList(it.next()));
assertEquals(Arrays.asList("false", "opera"), Arrays.asList(it.next()));
assertFalse(it.hasNext());
it = collapsed.get(1).iterator();
assertEquals(Arrays.asList("true", "ie6"), Arrays.asList(it.next()));
assertEquals(Arrays.asList("true", "moz"), Arrays.asList(it.next()));
assertEquals(Arrays.asList("true", "opera"), Arrays.asList(it.next()));
assertFalse(it.hasNext());
}
/**
* Attempts to set a binding property to the given value. If the value is not allowed, see if we
* can find a value that will work. There is a special case for "locale".
*
* @return the value actually set, or null if unable to set the property
*/
private static String maybeSetBinding(
TreeLogger logger, ModuleDef module, String propName, String newValue) {
logger = logger.branch(TreeLogger.Type.INFO, "binding: " + propName + "=" + newValue);
BindingProperty binding = module.getProperties().findBindingProp(propName);
if (binding == null) {
logger.log(TreeLogger.Type.WARN, "undefined property: '" + propName + "'");
return null;
}
if (!binding.isAllowedValue(newValue)) {
String[] allowedValues = binding.getAllowedValues(binding.getRootCondition());
logger.log(
TreeLogger.Type.WARN, "property '" + propName + "' cannot be set to '" + newValue + "'");
logger.log(TreeLogger.Type.INFO, "allowed values: " + Joiner.on(", ").join(allowedValues));
// See if we can fall back on a reasonable default.
if (allowedValues.length == 1) {
// There is only one possibility, so use it.
newValue = allowedValues[0];
} else if (binding.getName().equals("locale")) {
// TODO: come up with a more general solution. Perhaps fail
// the compile and give the user a way to override the property?
newValue = chooseDefault(binding, "default", "en", "en_US");
} else {
// There is more than one. Continue and possibly compile multiple permutations.
logger.log(
TreeLogger.Type.INFO, "continuing without " + propName + ". Sourcemaps may not work.");
return null;
}
logger.log(TreeLogger.Type.INFO, "recovered with " + propName + "=" + newValue);
}
binding.setRootGeneratedValues(newValue);
return newValue;
}
/**
* Given the source code to a Java class named <code>test.EntryPoint</code>, compiles it with
* emulated stack traces turned on and returns the JavaScript.
*/
private JsProgram compileClass(String... lines) throws UnableToCompleteException {
// Gather the Java source code to compile.
final String code = Joiner.on("\n").join(lines);
MockResourceOracle sourceOracle = new MockResourceOracle();
sourceOracle.addOrReplace(
new MockJavaResource("test.EntryPoint") {
@Override
public CharSequence getContent() {
return code;
}
});
sourceOracle.add(JavaAstConstructor.getCompilerTypes());
PrecompileTaskOptions options = new PrecompileTaskOptionsImpl();
options.setOutput(JsOutputOption.PRETTY);
options.setRunAsyncEnabled(false);
CompilerContext context =
new CompilerContext.Builder()
.options(options)
.minimalRebuildCache(new MinimalRebuildCache())
.build();
ConfigurationProperties config =
new ConfigurationProperties(Arrays.asList(recordFileNamesProp, recordLineNumbersProp));
CompilationState state =
CompilationStateBuilder.buildFrom(logger, context, sourceOracle.getResources(), null);
JProgram jProgram = AstConstructor.construct(logger, state, options, config);
jProgram.addEntryMethod(findMethod(jProgram, "onModuleLoad"));
if (inline) {
MethodInliner.exec(jProgram);
}
CatchBlockNormalizer.exec(jProgram);
// Construct the JavaScript AST.
// These passes are needed by GenerateJavaScriptAST.
ComputeCastabilityInformation.exec(jProgram, false);
ImplementCastsAndTypeChecks.exec(jProgram, false);
ArrayNormalizer.exec(jProgram);
StringTypeMapper typeMapper = new StringTypeMapper(jProgram);
ResolveRuntimeTypeReferences.exec(jProgram, typeMapper, TypeOrder.FREQUENCY);
Map<StandardSymbolData, JsName> symbolTable =
new TreeMap<StandardSymbolData, JsName>(new SymbolData.ClassIdentComparator());
BindingProperty stackMode = new BindingProperty("compiler.stackMode");
stackMode.addDefinedValue(new ConditionNone(), "EMULATED");
PermutationProperties properties =
new PermutationProperties(
Arrays.asList(
new BindingProperties(
new BindingProperty[] {stackMode}, new String[] {"EMULATED"}, config)));
JsProgram jsProgram = new JsProgram();
JavaToJavaScriptMap jjsmap =
GenerateJavaScriptAST.exec(
logger, jProgram, jsProgram, context, typeMapper, symbolTable, properties)
.getLeft();
// Finally, run the pass we care about.
JsStackEmulator.exec(jProgram, jsProgram, properties, jjsmap);
return jsProgram;
}
public void testTwoDimensionPermWithExpansion() {
ModuleDef md = new ModuleDef("testTwoDimensionsWithExpansion");
Properties properties = md.getProperties();
{
BindingProperty bindingProperty = properties.createBinding("user.agent");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "moz");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "ie6");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "ie8");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "opera");
}
{
BindingProperty bindingProperty = properties.createBinding("stackTraces");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "false");
bindingProperty.addDefinedValue(bindingProperty.getRootCondition(), "true");
// <set-property name="stackTraces" value="false" />
bindingProperty.setValues(bindingProperty.getRootCondition(), "false");
/*
* <set-property name="stackTraces" value="true,false"> <when user.agent
* is ie6 or ie 8> </set-property>
*/
ConditionAny cond = new ConditionAny();
cond.getConditions().add(new ConditionWhenPropertyIs("user.agent", "ie6"));
cond.getConditions().add(new ConditionWhenPropertyIs("user.agent", "ie8"));
bindingProperty.setValues(cond, "true", "false");
}
validateTwoDimensionPerm(properties, md.getActiveLinkerNames());
}
/** Loads the module and configures it for SuperDevMode. (Does not restrict permutations.) */
private ModuleDef loadModule(TreeLogger logger) throws UnableToCompleteException {
// make sure we get the latest version of any modified jar
ZipFileClassPathEntry.clearCache();
ResourceOracleImpl.clearCache();
ResourceLoader resources = ResourceLoaders.forClassLoader(Thread.currentThread());
resources = ResourceLoaders.forPathAndFallback(options.getSourcePath(), resources);
this.resourceLoader.set(resources);
// ModuleDefLoader.loadFromResources() checks for modified .gwt.xml files.
ModuleDef moduleDef =
ModuleDefLoader.loadFromResources(
logger, compilerContext, inputModuleName, resources, true);
compilerContext = compilerContextBuilder.module(moduleDef).build();
// Undo all permutation restriction customizations from previous compiles.
for (BindingProperty bindingProperty : moduleDef.getProperties().getBindingProperties()) {
String[] allowedValues = bindingProperty.getAllowedValues(bindingProperty.getRootCondition());
bindingProperty.setRootGeneratedValues(allowedValues);
}
// A snapshot of the module's configuration before we modified it.
ConfigProps config = new ConfigProps(moduleDef);
// We need a cross-site linker. Automatically replace the default linker.
if (IFrameLinker.class.isAssignableFrom(moduleDef.getActivePrimaryLinker())) {
moduleDef.addLinker("xsiframe");
}
// Check that we have a compatible linker.
Class<? extends Linker> linker = moduleDef.getActivePrimaryLinker();
if (!CrossSiteIframeLinker.class.isAssignableFrom(linker)) {
logger.log(
TreeLogger.ERROR,
"linkers other than CrossSiteIFrameLinker aren't supported. Found: " + linker.getName());
throw new UnableToCompleteException();
}
// Deactivate precompress linker.
if (moduleDef.deactivateLinker("precompress")) {
logger.log(TreeLogger.WARN, "Deactivated PrecompressLinker");
}
// Print a nice error if the superdevmode hook isn't present
if (config.getStrings("devModeRedirectEnabled").isEmpty()) {
throw new RuntimeException(
"devModeRedirectEnabled isn't set for module: " + moduleDef.getName());
}
// Disable the redirect hook here to make sure we don't have an infinite loop.
// (There is another check in the JavaScript, but just in case.)
overrideConfig(moduleDef, "devModeRedirectEnabled", "false");
// Turn off "installCode" if it's on because it makes debugging harder.
// (If it's already off, don't change anything.)
if (config.getBoolean("installCode", true)) {
overrideConfig(moduleDef, "installCode", "false");
// Make sure installScriptJs is set to the default for compiling without installCode.
overrideConfig(
moduleDef,
"installScriptJs",
"com/google/gwt/core/ext/linker/impl/installScriptDirect.js");
}
// override computeScriptBase.js to enable the "Compile" button
overrideConfig(
moduleDef, "computeScriptBaseJs", "com/google/gwt/dev/codeserver/computeScriptBase.js");
// Fix bug with SDM and Chrome 24+ where //@ sourceURL directives cause X-SourceMap header to be
// ignored
// Frustratingly, Chrome won't canonicalize a relative URL
overrideConfig(
moduleDef,
"includeSourceMapUrl",
"http://" + serverPrefix + SourceHandler.sourceMapLocationTemplate(moduleDef.getName()));
// If present, set some config properties back to defaults.
// (Needed for Google's server-side linker.)
maybeOverrideConfig(moduleDef, "includeBootstrapInPrimaryFragment", "false");
maybeOverrideConfig(
moduleDef, "permutationsJs", "com/google/gwt/core/ext/linker/impl/permutations.js");
maybeOverrideConfig(
moduleDef, "propertiesJs", "com/google/gwt/core/ext/linker/impl/properties.js");
if (options.isIncrementalCompileEnabled()) {
// CSSResourceGenerator needs to produce stable, unique naming for its input.
// Currently on default settings CssResourceGenerator's obfuscation depends on
// whole world knowledge and thus will produce collision in obfuscated mode, since in
// incremental compiles that information is not available.
//
// TODO(dankurka): Once we do proper stable hashing of classes in CssResourceGenerator, we
// can probably replace / remove this.
maybeOverrideConfig(moduleDef, "CssResource.style", "stable");
}
overrideBinding(moduleDef, "compiler.useSourceMaps", "true");
overrideBinding(moduleDef, "compiler.useSymbolMaps", "false");
overrideBinding(moduleDef, "superdevmode", "on");
return moduleDef;
}