public BuildResultStatus rebuild(TreeLogger logger) {
logger = logger.branch(TreeLogger.INFO, "Performing an incremental rebuild");
ResourceOracleImpl.clearCache();
ZipFileClassPathEntry.clearCache();
ModuleDefLoader.clearModuleCache();
ResourceGeneratorUtilImpl.clearGeneratedFilesByName();
long beforeComputeOutputFreshnessMs = System.currentTimeMillis();
forgetAllOutputFreshness();
rootBuildTarget.computeOutputFreshness(logger);
long computeOutputFreshnessDurationMs =
System.currentTimeMillis() - beforeComputeOutputFreshnessMs;
logger.log(
TreeLogger.INFO,
String.format(
"%.3fs -- Computing per-target output freshness",
computeOutputFreshnessDurationMs / 1000d));
if (rootBuildTarget.isOutputFreshAndGood()) {
logger.log(TreeLogger.INFO, NO_FILES_HAVE_CHANGED);
return BuildResultStatus.SUCCESS_NO_CHANGES;
}
TreeLogger branch = logger.branch(TreeLogger.INFO, "Compiling target graph");
boolean success = rootBuildTarget.link(branch);
return BuildResultStatus.get(success);
}
/** 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;
}