public static JProgram construct(
TreeLogger logger, CompilationState state, Properties properties, String... entryPoints)
throws UnableToCompleteException {
PrecompileTaskOptions options = new PrecompileTaskOptionsImpl();
options.setEnableAssertions(true);
JProgram jprogram = AstConstructor.construct(logger, state, options, properties);
// Add entry methods for entry points.
for (String entryPoint : entryPoints) {
JDeclaredType entryType = jprogram.getFromTypeMap(entryPoint);
for (JMethod method : entryType.getMethods()) {
if (method.isStatic() && JProgram.isClinit(method)) {
jprogram.addEntryMethod(method);
}
}
}
// Tree is now ready to optimize.
return jprogram;
}
private JMethodCall createClinitCall(JMethodCall x) {
JDeclaredType targetType = x.getTarget().getEnclosingType().getClinitTarget();
if (!getCurrentMethod().getEnclosingType().checkClinitTo(targetType)) {
// Access from this class to the target class won't trigger a clinit
return null;
}
if (program.isStaticImpl(x.getTarget()) && !x.getTarget().getEnclosingType().isJsoType()) {
// No clinit needed; target is really a non-jso instance method.
return null;
}
if (JProgram.isClinit(x.getTarget())) {
// This is a clinit call, doesn't need another clinit
return null;
}
JMethod clinit = targetType.getClinitMethod();
// If the clinit is a non-native, empty body we can optimize it out here
if (!clinit.isNative() && (((JMethodBody) clinit.getBody())).getStatements().size() == 0) {
return null;
}
return new JMethodCall(x.getSourceInfo(), null, clinit);
}