src/share/classes/jdk/internal/org/objectweb/asm/tree/analysis/BasicVerifier.java
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@@ -74,21 +74,20 @@
* @author Bing Ran
*/
public class BasicVerifier extends BasicInterpreter {
public BasicVerifier() {
- super(ASM4);
+ super(ASM5);
}
protected BasicVerifier(final int api) {
super(api);
}
@Override
- public BasicValue copyOperation(final AbstractInsnNode insn, final BasicValue value)
- throws AnalyzerException
- {
+ public BasicValue copyOperation(final AbstractInsnNode insn,
+ final BasicValue value) throws AnalyzerException {
Value expected;
switch (insn.getOpcode()) {
case ILOAD:
case ISTORE:
expected = BasicValue.INT_VALUE;
@@ -105,24 +104,19 @@
case DSTORE:
expected = BasicValue.DOUBLE_VALUE;
break;
case ALOAD:
if (!value.isReference()) {
- throw new AnalyzerException(insn,
- null,
- "an object reference",
+ throw new AnalyzerException(insn, null, "an object reference",
value);
}
return value;
case ASTORE:
if (!value.isReference()
- && !BasicValue.RETURNADDRESS_VALUE.equals(value))
- {
- throw new AnalyzerException(insn,
- null,
- "an object reference or a return address",
- value);
+ && !BasicValue.RETURNADDRESS_VALUE.equals(value)) {
+ throw new AnalyzerException(insn, null,
+ "an object reference or a return address", value);
}
return value;
default:
return value;
}
@@ -131,13 +125,12 @@
}
return value;
}
@Override
- public BasicValue unaryOperation(final AbstractInsnNode insn, final BasicValue value)
- throws AnalyzerException
- {
+ public BasicValue unaryOperation(final AbstractInsnNode insn,
+ final BasicValue value) throws AnalyzerException {
BasicValue expected;
switch (insn.getOpcode()) {
case INEG:
case IINC:
case I2F:
@@ -179,25 +172,22 @@
case D2L:
case DRETURN:
expected = BasicValue.DOUBLE_VALUE;
break;
case GETFIELD:
- expected = newValue(Type.getObjectType(((FieldInsnNode) insn).owner));
+ expected = newValue(Type
+ .getObjectType(((FieldInsnNode) insn).owner));
break;
case CHECKCAST:
if (!value.isReference()) {
- throw new AnalyzerException(insn,
- null,
- "an object reference",
+ throw new AnalyzerException(insn, null, "an object reference",
value);
}
return super.unaryOperation(insn, value);
case ARRAYLENGTH:
if (!isArrayValue(value)) {
- throw new AnalyzerException(insn,
- null,
- "an array reference",
+ throw new AnalyzerException(insn, null, "an array reference",
value);
}
return super.unaryOperation(insn, value);
case ARETURN:
case ATHROW:
@@ -205,13 +195,11 @@
case MONITORENTER:
case MONITOREXIT:
case IFNULL:
case IFNONNULL:
if (!value.isReference()) {
- throw new AnalyzerException(insn,
- null,
- "an object reference",
+ throw new AnalyzerException(insn, null, "an object reference",
value);
}
return super.unaryOperation(insn, value);
case PUTSTATIC:
expected = newValue(Type.getType(((FieldInsnNode) insn).desc));
@@ -224,15 +212,13 @@
}
return super.unaryOperation(insn, value);
}
@Override
- public BasicValue binaryOperation(
- final AbstractInsnNode insn,
- final BasicValue value1,
- final BasicValue value2) throws AnalyzerException
- {
+ public BasicValue binaryOperation(final AbstractInsnNode insn,
+ final BasicValue value1, final BasicValue value2)
+ throws AnalyzerException {
BasicValue expected1;
BasicValue expected2;
switch (insn.getOpcode()) {
case IALOAD:
expected1 = newValue(Type.getType("[I"));
@@ -340,28 +326,27 @@
break;
default:
throw new Error("Internal error.");
}
if (!isSubTypeOf(value1, expected1)) {
- throw new AnalyzerException(insn, "First argument", expected1, value1);
+ throw new AnalyzerException(insn, "First argument", expected1,
+ value1);
} else if (!isSubTypeOf(value2, expected2)) {
- throw new AnalyzerException(insn, "Second argument", expected2, value2);
+ throw new AnalyzerException(insn, "Second argument", expected2,
+ value2);
}
if (insn.getOpcode() == AALOAD) {
return getElementValue(value1);
} else {
return super.binaryOperation(insn, value1, value2);
}
}
@Override
- public BasicValue ternaryOperation(
- final AbstractInsnNode insn,
- final BasicValue value1,
- final BasicValue value2,
- final BasicValue value3) throws AnalyzerException
- {
+ public BasicValue ternaryOperation(final AbstractInsnNode insn,
+ final BasicValue value1, final BasicValue value2,
+ final BasicValue value3) throws AnalyzerException {
BasicValue expected1;
BasicValue expected3;
switch (insn.getOpcode()) {
case IASTORE:
expected1 = newValue(Type.getType("[I"));
@@ -401,88 +386,77 @@
break;
default:
throw new Error("Internal error.");
}
if (!isSubTypeOf(value1, expected1)) {
- throw new AnalyzerException(insn, "First argument", "a " + expected1
- + " array reference", value1);
+ throw new AnalyzerException(insn, "First argument", "a "
+ + expected1 + " array reference", value1);
} else if (!BasicValue.INT_VALUE.equals(value2)) {
throw new AnalyzerException(insn, "Second argument",
- BasicValue.INT_VALUE,
- value2);
+ BasicValue.INT_VALUE, value2);
} else if (!isSubTypeOf(value3, expected3)) {
- throw new AnalyzerException(insn, "Third argument", expected3, value3);
+ throw new AnalyzerException(insn, "Third argument", expected3,
+ value3);
}
return null;
}
@Override
- public BasicValue naryOperation(final AbstractInsnNode insn, final List<? extends BasicValue> values)
- throws AnalyzerException
- {
+ public BasicValue naryOperation(final AbstractInsnNode insn,
+ final List<? extends BasicValue> values) throws AnalyzerException {
int opcode = insn.getOpcode();
if (opcode == MULTIANEWARRAY) {
for (int i = 0; i < values.size(); ++i) {
if (!BasicValue.INT_VALUE.equals(values.get(i))) {
- throw new AnalyzerException(insn,
- null,
- BasicValue.INT_VALUE,
- values.get(i));
+ throw new AnalyzerException(insn, null,
+ BasicValue.INT_VALUE, values.get(i));
}
}
} else {
int i = 0;
int j = 0;
if (opcode != INVOKESTATIC && opcode != INVOKEDYNAMIC) {
Type owner = Type.getObjectType(((MethodInsnNode) insn).owner);
if (!isSubTypeOf(values.get(i++), newValue(owner))) {
throw new AnalyzerException(insn, "Method owner",
- newValue(owner),
- values.get(0));
+ newValue(owner), values.get(0));
}
}
- String desc = (opcode == INVOKEDYNAMIC)?
- ((InvokeDynamicInsnNode) insn).desc:
- ((MethodInsnNode) insn).desc;
+ String desc = (opcode == INVOKEDYNAMIC) ? ((InvokeDynamicInsnNode) insn).desc
+ : ((MethodInsnNode) insn).desc;
Type[] args = Type.getArgumentTypes(desc);
while (i < values.size()) {
BasicValue expected = newValue(args[j++]);
BasicValue encountered = values.get(i++);
if (!isSubTypeOf(encountered, expected)) {
- throw new AnalyzerException(insn,
- "Argument " + j,
- expected,
- encountered);
+ throw new AnalyzerException(insn, "Argument " + j,
+ expected, encountered);
}
}
}
return super.naryOperation(insn, values);
}
@Override
- public void returnOperation(
- final AbstractInsnNode insn,
- final BasicValue value,
- final BasicValue expected) throws AnalyzerException
- {
+ public void returnOperation(final AbstractInsnNode insn,
+ final BasicValue value, final BasicValue expected)
+ throws AnalyzerException {
if (!isSubTypeOf(value, expected)) {
- throw new AnalyzerException(insn,
- "Incompatible return type",
- expected,
- value);
+ throw new AnalyzerException(insn, "Incompatible return type",
+ expected, value);
}
}
protected boolean isArrayValue(final BasicValue value) {
return value.isReference();
}
protected BasicValue getElementValue(final BasicValue objectArrayValue)
- throws AnalyzerException
- {
+ throws AnalyzerException {
return BasicValue.REFERENCE_VALUE;
}
- protected boolean isSubTypeOf(final BasicValue value, final BasicValue expected) {
+ protected boolean isSubTypeOf(final BasicValue value,
+ final BasicValue expected) {
return value.equals(expected);
}
}