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java.lang.Objectedu.umd.cs.findbugs.ba.bcp.PatternElement
edu.umd.cs.findbugs.ba.bcp.Opcode
public class Opcode
PatternElement to match instructions with a particular opcode.
PatternElement
Constructor Summary | |
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Opcode(int opcode)
Constructor. |
Method Summary | |
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boolean |
acceptBranch(Edge edge,
org.apache.bcel.generic.InstructionHandle source)
Return whether or not it is acceptable to take the given branch. |
MatchResult |
match(org.apache.bcel.generic.InstructionHandle handle,
org.apache.bcel.generic.ConstantPoolGen cpg,
ValueNumberFrame before,
ValueNumberFrame after,
BindingSet bindingSet)
Return whether or not this element matches the given instruction with the given Bindings in effect. |
int |
maxOccur()
Return the maximum number of instructions this PatternElement must match in the ByteCodePattern. |
int |
minOccur()
Return the minimum number of instructions this PatternElement must match in the ByteCodePattern. |
Methods inherited from class edu.umd.cs.findbugs.ba.bcp.PatternElement |
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addOrCheckDefinition, allowTrailingEdges, dominatedBy, getDominatedBy, getLabel, getNext, label, lookup, setAllowTrailingEdges, setIndex, setNext, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Opcode(int opcode)
opcode
- the opcode to matchMethod Detail |
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public MatchResult match(org.apache.bcel.generic.InstructionHandle handle, org.apache.bcel.generic.ConstantPoolGen cpg, ValueNumberFrame before, ValueNumberFrame after, BindingSet bindingSet) throws DataflowAnalysisException
PatternElement
match
in class PatternElement
handle
- the instructioncpg
- the ConstantPoolGen from the methodbefore
- the ValueNumberFrame representing values in the Java stack frame
just before the execution of the instructionafter
- the ValueNumberFrame representing values in the Java stack frame
just after the execution of the instructionbindingSet
- the set of Bindings
DataflowAnalysisException
public boolean acceptBranch(Edge edge, org.apache.bcel.generic.InstructionHandle source)
PatternElement
acceptBranch
in class PatternElement
edge
- the Edge representing the branchsource
- the source instruction of the branch
public int minOccur()
PatternElement
minOccur
in class PatternElement
public int maxOccur()
PatternElement
maxOccur
in class PatternElement
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