sandmark.obfuscate.boolsplitter.dtree
Class LocalExpr
java.lang.Object
|
+--sandmark.obfuscate.boolsplitter.dtree.Node
|
+--sandmark.obfuscate.boolsplitter.dtree.Expr
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+--sandmark.obfuscate.boolsplitter.dtree.DefExpr
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+--sandmark.obfuscate.boolsplitter.dtree.MemExpr
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+--sandmark.obfuscate.boolsplitter.dtree.VarExpr
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+--sandmark.obfuscate.boolsplitter.dtree.LocalExpr
- All Implemented Interfaces:
- java.lang.Cloneable, LeafExpr
- public class LocalExpr
- extends VarExpr
- implements LeafExpr
LocalExpr represents an expression that accesses a variable in a
method's local variable table. Note that during register
allocation the index becomes the color that the LocalExpr
(variable) is assigned.
- See Also:
Tree.newStackLocal(int, EDU.purdue.cs.bloat.editor.Type)
,
Tree.newLocal(int, EDU.purdue.cs.bloat.editor.Type)
Field Summary |
(package private) boolean |
fromStack
|
Fields inherited from class sandmark.obfuscate.boolsplitter.dtree.VarExpr |
index |
Constructor Summary |
LocalExpr(int index,
boolean fromStack,
EDU.purdue.cs.bloat.editor.Type type)
Constructor. |
LocalExpr(int index,
EDU.purdue.cs.bloat.editor.Type type)
Constructor. |
Methods inherited from class sandmark.obfuscate.boolsplitter.dtree.Node |
block, cleanup, copyInto, hasParent, key, parent, replaceWith, replaceWith, setKey, setParent, setValueNumber, toString, valueNumber, visitChildren, visitOnly |
Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
fromStack
boolean fromStack
LocalExpr
public LocalExpr(int index,
boolean fromStack,
EDU.purdue.cs.bloat.editor.Type type)
- Constructor.
- Parameters:
index
- Index into the local variable table for this expression.fromStack
- Is the local allocated on the stack?type
- The type of this expression
LocalExpr
public LocalExpr(int index,
EDU.purdue.cs.bloat.editor.Type type)
- Constructor. LocalExpr is not allocated on the stack.
- Parameters:
index
- Index into the local variable table for this expression.type
- The type of this expression.
fromStack
public boolean fromStack()
isReturnAddress
public boolean isReturnAddress()
- Returns true if the type of this expression is a return address.
visitForceChildren
public void visitForceChildren(TreeVisitor visitor)
- Description copied from class:
Node
- Visit the children of this node. Not all Nodes will have children to
visit.
- Specified by:
visitForceChildren
in class Node
visit
public void visit(TreeVisitor visitor)
- Specified by:
visit
in class Node
equalsExpr
public boolean equalsExpr(Expr other)
- Description copied from class:
Expr
- Compares this expression to another.
- Specified by:
equalsExpr
in class Expr
- Parameters:
other
- The other expression to compare against.
exprHashCode
public int exprHashCode()
- Description copied from class:
Expr
- Returns the hash code for this expresion.
- Specified by:
exprHashCode
in class Expr
clone
public java.lang.Object clone()
- Specified by:
clone
in class Expr