public JDynamicInvokeExpr(
SootMethodRef bootstrapMethodRef,
List<Value> bootstrapArgs,
SootMethodRef methodRef,
List<Value> methodArgs) {
if (!methodRef.getSignature().startsWith("<" + SootClass.INVOKEDYNAMIC_DUMMY_CLASS_NAME + ": "))
throw new IllegalArgumentException(
"Receiver type of JDynamicInvokeExpr must be "
+ SootClass.INVOKEDYNAMIC_DUMMY_CLASS_NAME
+ "!");
if (!bootstrapMethodRef.returnType().equals(RefType.v("java.lang.invoke.CallSite"))) {
throw new IllegalArgumentException(
"Return type of bootstrap method must be java.lang.invoke.CallSite!");
}
this.bsmRef = bootstrapMethodRef;
this.methodRef = methodRef;
this.bsmArgBoxes = new ValueBox[bootstrapArgs.size()];
this.argBoxes = new ValueBox[methodArgs.size()];
for (int i = 0; i < bootstrapArgs.size(); i++) {
// RoboVM note: Changed to handle InvokeExpr values in bootstrap args
Value v = bootstrapArgs.get(i);
if (v instanceof InvokeExpr) {
this.bsmArgBoxes[i] = Jimple.v().newInvokeExprBox(v);
} else {
this.bsmArgBoxes[i] = Jimple.v().newImmediateBox(v);
}
}
for (int i = 0; i < methodArgs.size(); i++) {
this.argBoxes[i] = Jimple.v().newImmediateBox((Value) methodArgs.get(i));
}
}
public String toString() {
StringBuffer buffer = new StringBuffer();
buffer.append(Jimple.DYNAMICINVOKE);
buffer.append(" \"");
buffer.append(methodRef.name()); // quoted method name (can be any UTF8 string)
buffer.append("\" <");
buffer.append(
SootMethod.getSubSignature(
"" /* no method name here*/, methodRef.parameterTypes(), methodRef.returnType()));
buffer.append(">(");
for (int i = 0; i < argBoxes.length; i++) {
if (i != 0) buffer.append(", ");
buffer.append(argBoxes[i].getValue().toString());
}
buffer.append(") ");
buffer.append(bsmRef.getSignature());
buffer.append("(");
for (int i = 0; i < bsmArgBoxes.length; i++) {
if (i != 0) buffer.append(", ");
buffer.append(bsmArgBoxes[i].getValue().toString());
}
buffer.append(")");
return buffer.toString();
}
/** Dumps out the call chain in json format * */
public void dump_json(PrintStream fp, String indent) {
fp.printf("%s{ %s,\n", indent, json_field("type", type));
fp.printf("%s %s,\n", indent, json_field("link", link));
String sig = method.getSignature();
fp.printf("%s %s,\n", indent, json_field("signature", sig));
if (stmt != null) {
SootMethodRef invoke = stmt.getInvokeExpr().getMethodRef();
String invokeSig;
try {
SootMethod concrete = SootUtils.resolve(stmt.getInvokeExpr().getMethodRef());
invokeSig = concrete.getSignature();
} catch (CannotFindMethodException e1) {
logger.debug("Cannot find concrete method for {} in SourceCallChainInfo.dump_json()", stmt);
invokeSig = invoke.getSignature();
}
if (!invokeSig.equals(sig)) {
fp.printf("%s %s,\n", indent, json_field("source-signature", invokeSig));
}
}
SourceLocationTag slt =
(stmt == null) ? SootUtils.getMethodLocation(method) : getSourceLocation(stmt);
if (slt != null) {
fp.printf("%s %s", indent, json_field("src-loc"));
fp.printf(
"{ %s, %s},\n", json_field("class", slt.getClz()), json_field("line", slt.getLine()));
}
fp.printf("%s %s,\n", indent, json_field("syscalls", syscalls));
fp.printf("%s %s,\n", indent, json_field("calls", calls));
if ((contents != null) && (contents.length > 0)) {
fp.printf("%s %s,\n", indent, json_field("score", score));
fp.printf("%s %s [\n", indent, json_field("contents"));
String delim = "";
for (SourceCallChainInfo cci : contents) {
fp.print(delim);
delim = ",\n";
cci.dump_json(fp, indent + " ");
}
fp.printf("\n%s]}", indent);
} else {
fp.printf("%s %s\n", indent, json_field("score", score));
fp.printf("%s}", indent);
}
}