org.apache.flex.abc.semantics

Class FrameCountVisitor

java.lang.Object

org.apache.flex.abc.semantics.FrameCountVisitor

All Implemented Interfaces:

IFlowGraphVisitor

public class FrameCountVisitor
extends Object
implements IFlowGraphVisitor

A FrameCountVisitor tracks the stack, scope, local, and slot numbers encountered in a method body, so that the MethodBodyInfo can set its max_stack, max_scope, max_local, and max_slot values.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	hasNewclassInstruction()
boolean	visitBlock(IBasicBlock b) Visit a new Block.
void	visitEnd(IBasicBlock b) Finish visiting a Block.
void	visitInstruction(Instruction i) Visit an Instruction within the most recently-visited Block.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

visitBlock

public boolean visitBlock(IBasicBlock b)

Visit a new Block.

Specified by:

visitBlock in interface IFlowGraphVisitor

Parameters:

b - - the Block to visit.

Returns:

true if the walker should continue visiting the block.

visitInstruction

public void visitInstruction(Instruction i)

Visit an Instruction within the most recently-visited Block.

Specified by:

visitInstruction in interface IFlowGraphVisitor

Parameters:

i - - the Instruction.

visitEnd

public void visitEnd(IBasicBlock b)

Description copied from interface: IFlowGraphVisitor

Finish visiting a Block.

Specified by:

visitEnd in interface IFlowGraphVisitor

Parameters:

b - - the Block. It must be the same block last visited by visitBlock() where that call returned true.

hasNewclassInstruction

public boolean hasNewclassInstruction()