private TreeLogger makeCompileLogger(CompileDir compileDir, TreeLogger parent)
throws UnableToCompleteException {
try {
PrintWriterTreeLogger fileLogger = new PrintWriterTreeLogger(compileDir.getLogFile());
fileLogger.setMaxDetail(options.getLogLevel());
return new CompositeTreeLogger(parent, fileLogger);
} catch (IOException e) {
parent.log(TreeLogger.ERROR, "unable to open log file: " + compileDir.getLogFile(), e);
throw new UnableToCompleteException();
}
}
/**
* Prepares a stub compile directory. It will include all "public" resources and a nocache.js file
* that invokes the compiler.
*/
private void setUpCompileDir(CompileDir compileDir, ModuleDef module, TreeLogger compileLogger)
throws UnableToCompleteException {
try {
String currentModuleName = module.getName();
// Create the directory.
File outputDir =
new File(compileDir.getWarDir().getCanonicalPath() + "/" + currentModuleName);
if (!outputDir.exists()) {
if (!outputDir.mkdir()) {
compileLogger.log(Type.WARN, "cannot create directory: " + outputDir);
}
}
LauncherDir.writePublicResources(outputDir, module, compileLogger);
// write no cache that will inject recompile.nocache.js
String stub = LauncherDir.generateStubNocacheJs(module.getName(), options);
File noCacheJs = new File(outputDir.getCanonicalPath(), module.getName() + ".nocache.js");
Files.write(stub, noCacheJs, Charsets.UTF_8);
// Create a "module_name.recompile.nocache.js" that calculates the permutation
// and forces a recompile.
String recompileNoCache = generateModuleRecompileJs(module, compileLogger);
writeRecompileNoCacheJs(outputDir, currentModuleName, recompileNoCache, compileLogger);
} catch (IOException e) {
compileLogger.log(Type.ERROR, "Error creating stub compile directory.", e);
UnableToCompleteException wrapped = new UnableToCompleteException();
wrapped.initCause(e);
throw wrapped;
}
}
@Override
public File getGenDir() {
return compileDir.getGenDir();
}
@Override
public File getExtraDir() {
return compileDir.getExtraDir();
}
@Override
public File getDeployDir() {
return compileDir.getDeployDir();
}
@Override
public File getWorkDir() {
return compileDir.getWorkDir();
}
private boolean doCompile(TreeLogger compileLogger, CompileDir compileDir, Job job)
throws UnableToCompleteException {
job.onProgress("Loading modules");
CompilerOptions loadOptions = new CompilerOptionsImpl(compileDir, inputModuleName, options);
compilerContext = compilerContextBuilder.options(loadOptions).build();
ModuleDef module = loadModule(compileLogger);
if (!Compiler.maybeRestrictProperties(compileLogger, module, loadOptions.getProperties())) {
return false;
}
// We need to generate the stub before restricting permutations
String recompileJs = generateModuleRecompileJs(module, compileLogger);
Map<String, String> bindingProperties =
restrictPermutations(compileLogger, module, job.getBindingProperties());
// Propagates module rename.
String newModuleName = module.getName();
outputModuleName.set(newModuleName);
// Check if we can skip the compile altogether.
InputSummary input = new InputSummary(bindingProperties, module);
if (input.equals(lastBuildInput)) {
compileLogger.log(Type.INFO, "skipped compile because no input files have changed");
job.setCompileStrategy(CompileStrategy.SKIPPED);
return true;
}
// Force a recompile if we don't succeed.
lastBuildInput = null;
job.onProgress("Compiling");
// TODO: use speed tracer to get more compiler events?
CompilerOptions runOptions = new CompilerOptionsImpl(compileDir, newModuleName, options);
compilerContext = compilerContextBuilder.options(runOptions).build();
MinimalRebuildCache minimalRebuildCache = new NullRebuildCache();
if (options.isIncrementalCompileEnabled()) {
// Returns a copy of the intended cache, which is safe to modify in this compile.
minimalRebuildCache = minimalRebuildCacheManager.getCache(inputModuleName, bindingProperties);
}
job.setCompileStrategy(
minimalRebuildCache.isPopulated() ? CompileStrategy.INCREMENTAL : CompileStrategy.FULL);
boolean success = new Compiler(runOptions, minimalRebuildCache).run(compileLogger, module);
if (success) {
publishedCompileDir = compileDir;
lastBuildInput = input;
if (options.isIncrementalCompileEnabled()) {
minimalRebuildCacheManager.putCache(
inputModuleName, bindingProperties, minimalRebuildCache);
}
String moduleName = outputModuleName.get();
writeRecompileNoCacheJs(
new File(publishedCompileDir.getWarDir(), moduleName),
moduleName,
recompileJs,
compileLogger);
if (launcherDir != null) {
launcherDir.update(module, compileDir, compileLogger);
}
}
return success;
}