private void branch(Expr condition, BasicBlock consequentBlock, BasicBlock alternativeBlock) {
Statement consequent = generateJumpStatement(consequentBlock);
Statement alternative = generateJumpStatement(alternativeBlock);
statements.add(
Statement.cond(
condition,
consequent != null ? Arrays.asList(consequent) : Collections.emptyList(),
alternative != null ? Arrays.asList(alternative) : Collections.emptyList()));
}
private List<Instruction> transformInvoke(InvokeInstruction insn) {
if (insn.getType() != InvocationType.VIRTUAL) {
return null;
}
MethodReference method = insn.getMethod();
if (method.getClassName().equals(ResourceArray.class.getName())
|| method.getClassName().equals(ResourceMap.class.getName())) {
if (method.getName().equals("keys")) {
return transformKeys(insn);
}
InvokeInstruction accessInsn = new InvokeInstruction();
accessInsn.setType(InvocationType.SPECIAL);
ValueType[] types = new ValueType[method.getDescriptor().parameterCount() + 2];
types[0] = ValueType.object("java.lang.Object");
System.arraycopy(
method.getDescriptor().getSignature(),
0,
types,
1,
method.getDescriptor().parameterCount() + 1);
accessInsn.setMethod(
new MethodReference(ResourceAccessor.class.getName(), method.getName(), types));
accessInsn.getArguments().add(insn.getInstance());
accessInsn.getArguments().addAll(insn.getArguments());
accessInsn.setReceiver(insn.getReceiver());
return Arrays.asList(accessInsn);
}
ClassReader iface = innerSource.get(method.getClassName());
if (iface == null
|| !innerSource.isSuperType(Resource.class.getName(), iface.getName()).orElse(false)) {
return null;
}
if (method.getName().startsWith("get")) {
if (method.getName().length() > 3) {
return transformGetterInvocation(insn, getPropertyName(method.getName().substring(3)));
}
} else if (method.getName().startsWith("is")) {
if (method.getName().length() > 2) {
return transformGetterInvocation(insn, getPropertyName(method.getName().substring(2)));
}
} else if (method.getName().startsWith("set")) {
if (method.getName().length() > 3) {
return transformSetterInvocation(insn, getPropertyName(method.getName().substring(3)));
}
}
return null;
}
private List<Instruction> transformKeys(InvokeInstruction insn) {
Variable tmp = program.createVariable();
InvokeInstruction keysInsn = new InvokeInstruction();
keysInsn.setType(InvocationType.SPECIAL);
keysInsn.setMethod(
new MethodReference(ResourceAccessor.class, "keys", Object.class, Object.class));
keysInsn.getArguments().add(insn.getInstance());
keysInsn.setReceiver(tmp);
InvokeInstruction transformInsn = new InvokeInstruction();
transformInsn.setType(InvocationType.SPECIAL);
transformInsn.setMethod(
new MethodReference(ResourceAccessor.class, "keysToStrings", Object.class, String[].class));
transformInsn.getArguments().add(tmp);
transformInsn.setReceiver(insn.getReceiver());
return Arrays.asList(keysInsn, transformInsn);
}