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java.lang.Objectorg.objectweb.asm.tree.analysis.DataflowInterpreter
public class DataflowInterpreter
An Interpreter
for DataflowValue
values.
Field Summary |
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Constructor Summary | |
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DataflowInterpreter()
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Method Summary | |
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Value |
binaryOperation(AbstractInsnNode insn,
Value value1,
Value value2)
Interprets a bytecode instruction with two arguments. |
Value |
copyOperation(AbstractInsnNode insn,
Value value)
Interprets a bytecode instruction that moves a value on the stack or to or from local variables. |
Value |
merge(Value v,
Value w)
Merges two values. |
Value |
naryOperation(AbstractInsnNode insn,
List values)
Interprets a bytecode instruction with a variable number of arguments. |
Value |
newOperation(AbstractInsnNode insn)
Interprets a bytecode instruction without arguments. |
Value |
newValue(Type type)
Creates a new value that represents the given type. |
Value |
ternaryOperation(AbstractInsnNode insn,
Value value1,
Value value2,
Value value3)
Interprets a bytecode instruction with three arguments. |
Value |
unaryOperation(AbstractInsnNode insn,
Value value)
Interprets a bytecode instruction with a single argument. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public DataflowInterpreter()
Method Detail |
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public Value newValue(Type type)
Interpreter
newValue
in interface Interpreter
type
- a primitive or reference type, or null to represent an
uninitialized value.
public Value newOperation(AbstractInsnNode insn)
Interpreter
newOperation
in interface Interpreter
insn
- the bytecode instruction to be interpreted.
public Value copyOperation(AbstractInsnNode insn, Value value)
Interpreter
copyOperation
in interface Interpreter
insn
- the bytecode instruction to be interpreted.value
- the value that must be moved by the instruction.
equal
to the given
value.public Value unaryOperation(AbstractInsnNode insn, Value value)
Interpreter
unaryOperation
in interface Interpreter
insn
- the bytecode instruction to be interpreted.value
- the argument of the instruction to be interpreted.
public Value binaryOperation(AbstractInsnNode insn, Value value1, Value value2)
Interpreter
binaryOperation
in interface Interpreter
insn
- the bytecode instruction to be interpreted.value1
- the first argument of the instruction to be interpreted.value2
- the second argument of the instruction to be interpreted.
public Value ternaryOperation(AbstractInsnNode insn, Value value1, Value value2, Value value3)
Interpreter
ternaryOperation
in interface Interpreter
insn
- the bytecode instruction to be interpreted.value1
- the first argument of the instruction to be interpreted.value2
- the second argument of the instruction to be interpreted.value3
- the third argument of the instruction to be interpreted.
public Value naryOperation(AbstractInsnNode insn, List values)
Interpreter
naryOperation
in interface Interpreter
insn
- the bytecode instruction to be interpreted.values
- the arguments of the instruction to be interpreted.
public Value merge(Value v, Value w)
Interpreter
merge
in interface Interpreter
v
- a value.w
- another value.
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