com.android.dx.cf.attrib.AttLineNumberTable Java Examples
The following examples show how to use
com.android.dx.cf.attrib.AttLineNumberTable.
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Example #1
| Source File: StdAttributeFactory.java From Box with Apache License 2.0 | 5 votes |
|
/**
* Parses a {@code LineNumberTable} attribute.
*/
private Attribute lineNumberTable(DirectClassFile cf, int offset,
int length, ParseObserver observer) {
if (length < 2) {
return throwSeverelyTruncated();
}
ByteArray bytes = cf.getBytes();
int count = bytes.getUnsignedShort(offset); // line_number_table_length
if (observer != null) {
observer.parsed(bytes, offset, 2,
"line_number_table_length: " + Hex.u2(count));
}
offset += 2;
length -= 2;
if (length != (count * 4)) {
throwBadLength((count * 4) + 2);
}
LineNumberList list = new LineNumberList(count);
for (int i = 0; i < count; i++) {
int startPc = bytes.getUnsignedShort(offset);
int lineNumber = bytes.getUnsignedShort(offset + 2);
list.set(i, startPc, lineNumber);
if (observer != null) {
observer.parsed(bytes, offset, 4,
Hex.u2(startPc) + " " + lineNumber);
}
offset += 4;
}
list.setImmutable();
return new AttLineNumberTable(list);
}
Example #2
| Source File: StdAttributeFactory.java From Box with Apache License 2.0 | 5 votes |
|
/**
* Parses a {@code LineNumberTable} attribute.
*/
private Attribute lineNumberTable(DirectClassFile cf, int offset,
int length, ParseObserver observer) {
if (length < 2) {
return throwSeverelyTruncated();
}
ByteArray bytes = cf.getBytes();
int count = bytes.getUnsignedShort(offset); // line_number_table_length
if (observer != null) {
observer.parsed(bytes, offset, 2,
"line_number_table_length: " + Hex.u2(count));
}
offset += 2;
length -= 2;
if (length != (count * 4)) {
throwBadLength((count * 4) + 2);
}
LineNumberList list = new LineNumberList(count);
for (int i = 0; i < count; i++) {
int startPc = bytes.getUnsignedShort(offset);
int lineNumber = bytes.getUnsignedShort(offset + 2);
list.set(i, startPc, lineNumber);
if (observer != null) {
observer.parsed(bytes, offset, 4,
Hex.u2(startPc) + " " + lineNumber);
}
offset += 4;
}
list.setImmutable();
return new AttLineNumberTable(list);
}
Example #3
| Source File: StdAttributeFactory.java From J2ME-Loader with Apache License 2.0 | 5 votes |
|
/**
* Parses a {@code LineNumberTable} attribute.
*/
private Attribute lineNumberTable(DirectClassFile cf, int offset,
int length, ParseObserver observer) {
if (length < 2) {
return throwSeverelyTruncated();
}
ByteArray bytes = cf.getBytes();
int count = bytes.getUnsignedShort(offset); // line_number_table_length
if (observer != null) {
observer.parsed(bytes, offset, 2,
"line_number_table_length: " + Hex.u2(count));
}
offset += 2;
length -= 2;
if (length != (count * 4)) {
throwBadLength((count * 4) + 2);
}
LineNumberList list = new LineNumberList(count);
for (int i = 0; i < count; i++) {
int startPc = bytes.getUnsignedShort(offset);
int lineNumber = bytes.getUnsignedShort(offset + 2);
list.set(i, startPc, lineNumber);
if (observer != null) {
observer.parsed(bytes, offset, 4,
Hex.u2(startPc) + " " + lineNumber);
}
offset += 4;
}
list.setImmutable();
return new AttLineNumberTable(list);
}
Example #4
| Source File: StdAttributeFactory.java From buck with Apache License 2.0 | 5 votes |
|
/**
* Parses a {@code LineNumberTable} attribute.
*/
private Attribute lineNumberTable(DirectClassFile cf, int offset,
int length, ParseObserver observer) {
if (length < 2) {
return throwSeverelyTruncated();
}
ByteArray bytes = cf.getBytes();
int count = bytes.getUnsignedShort(offset); // line_number_table_length
if (observer != null) {
observer.parsed(bytes, offset, 2,
"line_number_table_length: " + Hex.u2(count));
}
offset += 2;
length -= 2;
if (length != (count * 4)) {
throwBadLength((count * 4) + 2);
}
LineNumberList list = new LineNumberList(count);
for (int i = 0; i < count; i++) {
int startPc = bytes.getUnsignedShort(offset);
int lineNumber = bytes.getUnsignedShort(offset + 2);
list.set(i, startPc, lineNumber);
if (observer != null) {
observer.parsed(bytes, offset, 4,
Hex.u2(startPc) + " " + lineNumber);
}
offset += 4;
}
list.setImmutable();
return new AttLineNumberTable(list);
}
Example #5
| Source File: ConcreteMethod.java From Box with Apache License 2.0 | 4 votes |
|
/**
* Constructs an instance.
*
* @param method {@code non-null;} the method to be based on
* @param classFile {@code non-null;} the class file that contains this method
* @param keepLines whether to keep the line number information
* (if any)
* @param keepLocals whether to keep the local variable
* information (if any)
*/
public ConcreteMethod(Method method, ClassFile classFile,
boolean keepLines, boolean keepLocals) {
this.method = method;
this.classFile = classFile;
AttributeList attribs = method.getAttributes();
this.attCode = (AttCode) attribs.findFirst(AttCode.ATTRIBUTE_NAME);
AttributeList codeAttribs = attCode.getAttributes();
/*
* Combine all LineNumberTable attributes into one, with the
* combined result saved into the instance. The following code
* isn't particularly efficient for doing merges, but as far
* as I know, this situation rarely occurs "in the
* wild," so there's not much point in optimizing for it.
*/
LineNumberList lnl = LineNumberList.EMPTY;
if (keepLines) {
for (AttLineNumberTable lnt = (AttLineNumberTable)
codeAttribs.findFirst(AttLineNumberTable.ATTRIBUTE_NAME);
lnt != null;
lnt = (AttLineNumberTable) codeAttribs.findNext(lnt)) {
lnl = LineNumberList.concat(lnl, lnt.getLineNumbers());
}
}
this.lineNumbers = lnl;
LocalVariableList lvl = LocalVariableList.EMPTY;
if (keepLocals) {
/*
* Do likewise (and with the same caveat) for
* LocalVariableTable and LocalVariableTypeTable attributes.
* This combines both of these kinds of attribute into a
* single LocalVariableList.
*/
for (AttLocalVariableTable lvt = (AttLocalVariableTable)
codeAttribs.findFirst(
AttLocalVariableTable.ATTRIBUTE_NAME);
lvt != null;
lvt = (AttLocalVariableTable) codeAttribs.findNext(lvt)) {
lvl = LocalVariableList.concat(lvl, lvt.getLocalVariables());
}
LocalVariableList typeList = LocalVariableList.EMPTY;
for (AttLocalVariableTypeTable lvtt = (AttLocalVariableTypeTable)
codeAttribs.findFirst(
AttLocalVariableTypeTable.ATTRIBUTE_NAME);
lvtt != null;
lvtt = (AttLocalVariableTypeTable) codeAttribs.findNext(lvtt)) {
typeList = LocalVariableList.concat(typeList, lvtt.getLocalVariables());
}
if (typeList.size() != 0) {
lvl = LocalVariableList.mergeDescriptorsAndSignatures(lvl, typeList);
}
}
this.localVariables = lvl;
}
Example #6
| Source File: ConcreteMethod.java From Box with Apache License 2.0 | 4 votes |
|
/**
* Constructs an instance.
*
* @param method {@code non-null;} the method to be based on
* @param classFile {@code non-null;} the class file that contains this method
* @param keepLines whether to keep the line number information
* (if any)
* @param keepLocals whether to keep the local variable
* information (if any)
*/
public ConcreteMethod(Method method, ClassFile classFile,
boolean keepLines, boolean keepLocals) {
this.method = method;
this.classFile = classFile;
AttributeList attribs = method.getAttributes();
this.attCode = (AttCode) attribs.findFirst(AttCode.ATTRIBUTE_NAME);
AttributeList codeAttribs = attCode.getAttributes();
/*
* Combine all LineNumberTable attributes into one, with the
* combined result saved into the instance. The following code
* isn't particularly efficient for doing merges, but as far
* as I know, this situation rarely occurs "in the
* wild," so there's not much point in optimizing for it.
*/
LineNumberList lnl = LineNumberList.EMPTY;
if (keepLines) {
for (AttLineNumberTable lnt = (AttLineNumberTable)
codeAttribs.findFirst(AttLineNumberTable.ATTRIBUTE_NAME);
lnt != null;
lnt = (AttLineNumberTable) codeAttribs.findNext(lnt)) {
lnl = LineNumberList.concat(lnl, lnt.getLineNumbers());
}
}
this.lineNumbers = lnl;
LocalVariableList lvl = LocalVariableList.EMPTY;
if (keepLocals) {
/*
* Do likewise (and with the same caveat) for
* LocalVariableTable and LocalVariableTypeTable attributes.
* This combines both of these kinds of attribute into a
* single LocalVariableList.
*/
for (AttLocalVariableTable lvt = (AttLocalVariableTable)
codeAttribs.findFirst(
AttLocalVariableTable.ATTRIBUTE_NAME);
lvt != null;
lvt = (AttLocalVariableTable) codeAttribs.findNext(lvt)) {
lvl = LocalVariableList.concat(lvl, lvt.getLocalVariables());
}
LocalVariableList typeList = LocalVariableList.EMPTY;
for (AttLocalVariableTypeTable lvtt = (AttLocalVariableTypeTable)
codeAttribs.findFirst(
AttLocalVariableTypeTable.ATTRIBUTE_NAME);
lvtt != null;
lvtt = (AttLocalVariableTypeTable) codeAttribs.findNext(lvtt)) {
typeList = LocalVariableList.concat(typeList, lvtt.getLocalVariables());
}
if (typeList.size() != 0) {
lvl = LocalVariableList.mergeDescriptorsAndSignatures(lvl, typeList);
}
}
this.localVariables = lvl;
}
Example #7
| Source File: ConcreteMethod.java From J2ME-Loader with Apache License 2.0 | 4 votes |
|
public ConcreteMethod(Method method, CstString sourceFile,
boolean keepLines, boolean keepLocals) {
this.method = method;
this.sourceFile = sourceFile;
AttributeList attribs = method.getAttributes();
this.attCode = (AttCode) attribs.findFirst(AttCode.ATTRIBUTE_NAME);
AttributeList codeAttribs = attCode.getAttributes();
/*
* Combine all LineNumberTable attributes into one, with the
* combined result saved into the instance. The following code
* isn't particularly efficient for doing merges, but as far
* as I know, this situation rarely occurs "in the
* wild," so there's not much point in optimizing for it.
*/
LineNumberList lineNumbers = LineNumberList.EMPTY;
if (keepLines) {
for (AttLineNumberTable lnt = (AttLineNumberTable)
codeAttribs.findFirst(AttLineNumberTable.ATTRIBUTE_NAME);
lnt != null;
lnt = (AttLineNumberTable) codeAttribs.findNext(lnt)) {
lineNumbers = LineNumberList.concat(lineNumbers,
lnt.getLineNumbers());
}
}
this.lineNumbers = lineNumbers;
LocalVariableList localVariables = LocalVariableList.EMPTY;
if (keepLocals) {
/*
* Do likewise (and with the same caveat) for
* LocalVariableTable and LocalVariableTypeTable attributes.
* This combines both of these kinds of attribute into a
* single LocalVariableList.
*/
for (AttLocalVariableTable lvt = (AttLocalVariableTable)
codeAttribs.findFirst(
AttLocalVariableTable.ATTRIBUTE_NAME);
lvt != null;
lvt = (AttLocalVariableTable) codeAttribs.findNext(lvt)) {
localVariables =
LocalVariableList.concat(localVariables,
lvt.getLocalVariables());
}
LocalVariableList typeList = LocalVariableList.EMPTY;
for (AttLocalVariableTypeTable lvtt = (AttLocalVariableTypeTable)
codeAttribs.findFirst(
AttLocalVariableTypeTable.ATTRIBUTE_NAME);
lvtt != null;
lvtt =
(AttLocalVariableTypeTable) codeAttribs.findNext(lvtt)) {
typeList =
LocalVariableList.concat(typeList,
lvtt.getLocalVariables());
}
if (typeList.size() != 0) {
localVariables =
LocalVariableList.mergeDescriptorsAndSignatures(
localVariables, typeList);
}
}
this.localVariables = localVariables;
}
Example #8
| Source File: ConcreteMethod.java From buck with Apache License 2.0 | 4 votes |
|
public ConcreteMethod(Method method, int accessFlags, CstString sourceFile,
boolean keepLines, boolean keepLocals) {
this.method = method;
this.accSuper = (accessFlags & AccessFlags.ACC_SUPER) != 0;
this.sourceFile = sourceFile;
AttributeList attribs = method.getAttributes();
this.attCode = (AttCode) attribs.findFirst(AttCode.ATTRIBUTE_NAME);
AttributeList codeAttribs = attCode.getAttributes();
/*
* Combine all LineNumberTable attributes into one, with the
* combined result saved into the instance. The following code
* isn't particularly efficient for doing merges, but as far
* as I know, this situation rarely occurs "in the
* wild," so there's not much point in optimizing for it.
*/
LineNumberList lineNumbers = LineNumberList.EMPTY;
if (keepLines) {
for (AttLineNumberTable lnt = (AttLineNumberTable)
codeAttribs.findFirst(AttLineNumberTable.ATTRIBUTE_NAME);
lnt != null;
lnt = (AttLineNumberTable) codeAttribs.findNext(lnt)) {
lineNumbers = LineNumberList.concat(lineNumbers,
lnt.getLineNumbers());
}
}
this.lineNumbers = lineNumbers;
LocalVariableList localVariables = LocalVariableList.EMPTY;
if (keepLocals) {
/*
* Do likewise (and with the same caveat) for
* LocalVariableTable and LocalVariableTypeTable attributes.
* This combines both of these kinds of attribute into a
* single LocalVariableList.
*/
for (AttLocalVariableTable lvt = (AttLocalVariableTable)
codeAttribs.findFirst(
AttLocalVariableTable.ATTRIBUTE_NAME);
lvt != null;
lvt = (AttLocalVariableTable) codeAttribs.findNext(lvt)) {
localVariables =
LocalVariableList.concat(localVariables,
lvt.getLocalVariables());
}
LocalVariableList typeList = LocalVariableList.EMPTY;
for (AttLocalVariableTypeTable lvtt = (AttLocalVariableTypeTable)
codeAttribs.findFirst(
AttLocalVariableTypeTable.ATTRIBUTE_NAME);
lvtt != null;
lvtt =
(AttLocalVariableTypeTable) codeAttribs.findNext(lvtt)) {
typeList =
LocalVariableList.concat(typeList,
lvtt.getLocalVariables());
}
if (typeList.size() != 0) {
localVariables =
LocalVariableList.mergeDescriptorsAndSignatures(
localVariables, typeList);
}
}
this.localVariables = localVariables;
}
