/**
* Constructs a new <code>EncodedMethod</code> with the given values
*
* @param method The <code>MethodIdItem</code> that this <code>EncodedMethod</code> is
* associated with
* @param accessFlags The access flags for this method
* @param codeItem The <code>CodeItem</code> containing the code for this method, or null if
* there is no code for this method (i.e. an abstract method)
*/
public EncodedMethod(MethodIdItem method, int accessFlags, CodeItem codeItem) {
this.method = method;
this.accessFlags = accessFlags;
this.codeItem = codeItem;
if (codeItem != null) {
codeItem.setParent(this);
}
}
/**
* Calculates the size of this <code>EncodedMethod</code> and returns the offset immediately
* following it
*
* @param offset the offset of this <code>EncodedMethod</code> in the <code>DexFile</code>
* @param previousEncodedMethod The previous <code>EncodedMethod</code> in the list containing
* this <code>EncodedMethod</code>.
* @return the offset immediately following this <code>EncodedField</code>
*/
private int place(int offset, EncodedMethod previousEncodedMethod) {
int previousIndex =
previousEncodedMethod == null ? 0 : previousEncodedMethod.method.getIndex();
offset += Leb128Utils.unsignedLeb128Size(method.getIndex() - previousIndex);
offset += Leb128Utils.unsignedLeb128Size(accessFlags);
offset += codeItem == null ? 1 : Leb128Utils.unsignedLeb128Size(codeItem.getOffset());
return offset;
}
/**
* Writes the <code>EncodedMethod</code> to the given <code>AnnotatedOutput</code> object
*
* @param out the <code>AnnotatedOutput</code> object to write to
* @param previousEncodedMethod The previous <code>EncodedMethod</code> in the list containing
* this <code>EncodedMethod</code>.
*/
private void writeTo(AnnotatedOutput out, EncodedMethod previousEncodedMethod) {
int previousIndex =
previousEncodedMethod == null ? 0 : previousEncodedMethod.method.getIndex();
if (out.annotates()) {
out.annotate("method: " + method.getMethodString());
out.writeUnsignedLeb128(method.getIndex() - previousIndex);
out.annotate("access_flags: " + AccessFlags.formatAccessFlagsForMethod(accessFlags));
out.writeUnsignedLeb128(accessFlags);
if (codeItem != null) {
out.annotate("code_off: 0x" + Integer.toHexString(codeItem.getOffset()));
out.writeUnsignedLeb128(codeItem.getOffset());
} else {
out.annotate("code_off: 0x0");
out.writeUnsignedLeb128(0);
}
} else {
out.writeUnsignedLeb128(method.getIndex() - previousIndex);
out.writeUnsignedLeb128(accessFlags);
out.writeUnsignedLeb128(codeItem == null ? 0 : codeItem.getOffset());
}
}
/**
* This is used internally to construct a new <code>EncodedMethod</code> while reading in a
* <code>DexFile</code>
*
* @param dexFile The <code>DexFile</code> that is being read in
* @param readContext a <code>ReadContext</code> object to hold information that is only needed
* while reading in a file
* @param in the Input object to read the <code>EncodedMethod</code> from
* @param previousEncodedMethod The previous <code>EncodedMethod</code> in the list containing
* this <code>EncodedMethod</code>.
*/
public EncodedMethod(
DexFile dexFile, ReadContext readContext, Input in, EncodedMethod previousEncodedMethod) {
int previousIndex =
previousEncodedMethod == null ? 0 : previousEncodedMethod.method.getIndex();
method = dexFile.MethodIdsSection.getItemByIndex(in.readUnsignedLeb128() + previousIndex);
accessFlags = in.readUnsignedLeb128();
if (dexFile.skipInstructions()) {
in.readUnsignedLeb128();
codeItem = null;
} else {
codeItem =
(CodeItem)
readContext.getOptionalOffsettedItemByOffset(
ItemType.TYPE_CODE_ITEM, in.readUnsignedLeb128());
}
if (codeItem != null) {
codeItem.setParent(this);
}
}
