use of com.taobao.android.dx.cf.code.ByteBlock in project atlas by alibaba.
the class BlockDumper method regularDump.
/**
* Does a regular basic block dump.
*
* @param meth {@code non-null;} method data to dump
*/
private void regularDump(ConcreteMethod meth) {
BytecodeArray code = meth.getCode();
ByteArray bytes = code.getBytes();
ByteBlockList list = BasicBlocker.identifyBlocks(meth);
int sz = list.size();
CodeObserver codeObserver = new CodeObserver(bytes, BlockDumper.this);
// Reset the dump cursor to the start of the bytecode.
setAt(bytes, 0);
suppressDump = false;
int byteAt = 0;
for (int i = 0; i < sz; i++) {
ByteBlock bb = list.get(i);
int start = bb.getStart();
int end = bb.getEnd();
if (byteAt < start) {
parsed(bytes, byteAt, start - byteAt, "dead code " + Hex.u2(byteAt) + ".." + Hex.u2(start));
}
parsed(bytes, start, 0, "block " + Hex.u2(bb.getLabel()) + ": " + Hex.u2(start) + ".." + Hex.u2(end));
changeIndent(1);
int len;
for (int j = start; j < end; j += len) {
len = code.parseInstruction(j, codeObserver);
codeObserver.setPreviousOffset(j);
}
IntList successors = bb.getSuccessors();
int ssz = successors.size();
if (ssz == 0) {
parsed(bytes, end, 0, "returns");
} else {
for (int j = 0; j < ssz; j++) {
int succ = successors.get(j);
parsed(bytes, end, 0, "next " + Hex.u2(succ));
}
}
ByteCatchList catches = bb.getCatches();
int csz = catches.size();
for (int j = 0; j < csz; j++) {
ByteCatchList.Item one = catches.get(j);
CstType exceptionClass = one.getExceptionClass();
parsed(bytes, end, 0, "catch " + ((exceptionClass == CstType.OBJECT) ? "<any>" : exceptionClass.toHuman()) + " -> " + Hex.u2(one.getHandlerPc()));
}
changeIndent(-1);
byteAt = end;
}
int end = bytes.size();
if (byteAt < end) {
parsed(bytes, byteAt, end - byteAt, "dead code " + Hex.u2(byteAt) + ".." + Hex.u2(end));
}
suppressDump = true;
}
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