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java.lang.Objectorg.objectweb.asm.tree.analysis.Interpreter<BasicValue>
org.objectweb.asm.tree.analysis.BasicInterpreter
public class BasicInterpreter
An Interpreter
for BasicValue
values.
Field Summary |
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Fields inherited from class org.objectweb.asm.tree.analysis.Interpreter |
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api |
Constructor Summary | |
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BasicInterpreter()
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protected |
BasicInterpreter(int api)
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Method Summary | |
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BasicValue |
binaryOperation(AbstractInsnNode insn,
BasicValue value1,
BasicValue value2)
Interprets a bytecode instruction with two arguments. |
BasicValue |
copyOperation(AbstractInsnNode insn,
BasicValue value)
Interprets a bytecode instruction that moves a value on the stack or to or from local variables. |
BasicValue |
merge(BasicValue v,
BasicValue w)
Merges two values. |
BasicValue |
naryOperation(AbstractInsnNode insn,
List<? extends BasicValue> values)
Interprets a bytecode instruction with a variable number of arguments. |
BasicValue |
newOperation(AbstractInsnNode insn)
Interprets a bytecode instruction without arguments. |
BasicValue |
newValue(Type type)
Creates a new value that represents the given type. |
void |
returnOperation(AbstractInsnNode insn,
BasicValue value,
BasicValue expected)
Interprets a bytecode return instruction. |
BasicValue |
ternaryOperation(AbstractInsnNode insn,
BasicValue value1,
BasicValue value2,
BasicValue value3)
Interprets a bytecode instruction with three arguments. |
BasicValue |
unaryOperation(AbstractInsnNode insn,
BasicValue 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 BasicInterpreter()
protected BasicInterpreter(int api)
Method Detail |
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public BasicValue newValue(Type type)
Interpreter
this
), exception
handler variable and with null
type for variables reserved
by long and double types.
newValue
in class Interpreter<BasicValue>
type
- a primitive or reference type, or null to represent
an uninitialized value.
public BasicValue newOperation(AbstractInsnNode insn) throws AnalyzerException
Interpreter
newOperation
in class Interpreter<BasicValue>
insn
- the bytecode instruction to be interpreted.
AnalyzerException
- if an error occured during the interpretation.public BasicValue copyOperation(AbstractInsnNode insn, BasicValue value) throws AnalyzerException
Interpreter
copyOperation
in class Interpreter<BasicValue>
insn
- the bytecode instruction to be interpreted.value
- the value that must be moved by the instruction.
AnalyzerException
- if an error occured during the interpretation.public BasicValue unaryOperation(AbstractInsnNode insn, BasicValue value) throws AnalyzerException
Interpreter
unaryOperation
in class Interpreter<BasicValue>
insn
- the bytecode instruction to be interpreted.value
- the argument of the instruction to be interpreted.
AnalyzerException
- if an error occured during the interpretation.public BasicValue binaryOperation(AbstractInsnNode insn, BasicValue value1, BasicValue value2) throws AnalyzerException
Interpreter
binaryOperation
in class Interpreter<BasicValue>
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.
AnalyzerException
- if an error occured during the interpretation.public BasicValue ternaryOperation(AbstractInsnNode insn, BasicValue value1, BasicValue value2, BasicValue value3) throws AnalyzerException
Interpreter
ternaryOperation
in class Interpreter<BasicValue>
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.
AnalyzerException
- if an error occured during the interpretation.public BasicValue naryOperation(AbstractInsnNode insn, List<? extends BasicValue> values) throws AnalyzerException
Interpreter
naryOperation
in class Interpreter<BasicValue>
insn
- the bytecode instruction to be interpreted.values
- the arguments of the instruction to be interpreted.
AnalyzerException
- if an error occured during the interpretation.public void returnOperation(AbstractInsnNode insn, BasicValue value, BasicValue expected) throws AnalyzerException
Interpreter
returnOperation
in class Interpreter<BasicValue>
insn
- the bytecode instruction to be interpreted.value
- the argument of the instruction to be interpreted.expected
- the expected return type of the analyzed method.
AnalyzerException
- if an error occured during the interpretation.public BasicValue merge(BasicValue v, BasicValue w)
Interpreter
merge
in class Interpreter<BasicValue>
v
- a value.w
- another value.
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