Interface StackMapFrameInfo
public sealed interface StackMapFrameInfo
Models a stack map frame in a 
StackMapTable
 attribute (JVMS 4.7.4).  A stack map frame must appear at the
 beginning of each basic block in a method (JVMS 4.10.1).- API Note:
- In general, a stack map frame should be defined for each target of a
 BranchInstruction, or unreachable code right after an unconditional branch instruction likegoto. The automatic stack map generation cannot handle unreachable code right after an unconditional jump; TheClassFile.DeadCodeOptionallows substituting such code, or advanced users can provide their own stack maps for dead code.
- See Java Virtual Machine Specification:
- 
4.7.4 The StackMapTableAttribute
 4.10.1 Verification by Type Checking
- Since:
- 24
- See Also:
- 
Nested Class SummaryNested ClassesModifier and TypeInterfaceDescriptionstatic interfaceA stack value for an object type.static enumA simple stack value.static interfaceAn uninitialized stack value.static interfaceThe type of a stack or local variable value.
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Method SummaryModifier and TypeMethodDescriptionintReturns the rawu1 frame_type.locals()Returns the expanded local variable types.static StackMapFrameInfoof(Label target, List<StackMapFrameInfo.VerificationTypeInfo> locals, List<StackMapFrameInfo.VerificationTypeInfo> stack) Returns a new stack map frame.stack()Returns the expanded operand stack types.target()Returns the frame target label.
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Method Details- 
frameTypeint frameType()Returns the rawu1 frame_type.- Returns:
- the raw u1 frame_type
 
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target
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localsList<StackMapFrameInfo.VerificationTypeInfo> locals()Returns the expanded local variable types.- Returns:
- the expanded local variable types
 
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stackReturns the expanded operand stack types.- Returns:
- the expanded operand stack types
 
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ofstatic StackMapFrameInfo of(Label target, List<StackMapFrameInfo.VerificationTypeInfo> locals, List<StackMapFrameInfo.VerificationTypeInfo> stack) Returns a new stack map frame.- Parameters:
- target- the location of the frame
- locals- the complete list of frame locals
- stack- the complete frame stack
- Returns:
- a new stack map frame
 
 
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