org.logicalcobwebs.asm.tree
Class TreeCodeAdapter

java.lang.Object
  org.logicalcobwebs.asm.CodeAdapter
      org.logicalcobwebs.asm.tree.TreeCodeAdapter

All Implemented Interfaces:

CodeVisitor

public class TreeCodeAdapter

extends CodeAdapter

A CodeAdapter that constructs a tree representation of the methods it vists. Each visitXXX method of this class constructs an XXXNode and adds it to the methodNode node.

Field Summary

MethodNode

methodNode A tree representation of the method that is being visited by this visitor.

Fields inherited from class org.logicalcobwebs.asm.CodeAdapter

cv

Constructor Summary

TreeCodeAdapter(MethodNode methodNode)
Constructs a new TreeCodeAdapter object.

Method Summary

void	visitAttribute(Attribute attr) Visits a non standard attribute of the code.
void	visitFieldInsn(int opcode, java.lang.String owner, java.lang.String name, java.lang.String desc) Visits a field instruction.
void	visitIincInsn(int var, int increment) Visits an IINC instruction.
void	visitInsn(int opcode) Visits a zero operand instruction.
void	visitIntInsn(int opcode, int operand) Visits an instruction with a single int operand.
void	visitJumpInsn(int opcode, Label label) Visits a jump instruction.
void	visitLabel(Label label) Visits a label.
void	visitLdcInsn(java.lang.Object cst) Visits a LDC instruction.
void	visitLineNumber(int line, Label start) Visits a line number declaration.
void	visitLocalVariable(java.lang.String name, java.lang.String desc, Label start, Label end, int index) Visits a local variable declaration.
void	visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels) Visits a LOOKUPSWITCH instruction.
void	visitMaxs(int maxStack, int maxLocals) Visits the maximum stack size and the maximum number of local variables of the method.
void	visitMethodInsn(int opcode, java.lang.String owner, java.lang.String name, java.lang.String desc) Visits a method instruction.
void	visitMultiANewArrayInsn(java.lang.String desc, int dims) Visits a MULTIANEWARRAY instruction.
void	visitTableSwitchInsn(int min, int max, Label dflt, Label[] labels) Visits a TABLESWITCH instruction.
void	visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type) Visits a try catch block.
void	visitTypeInsn(int opcode, java.lang.String desc) Visits a type instruction.
void	visitVarInsn(int opcode, int var) Visits a local variable instruction.

Methods inherited from class java.lang.Object

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

Field Detail

methodNode

public MethodNode methodNode

A tree representation of the method that is being visited by this visitor.

Constructor Detail

TreeCodeAdapter

public TreeCodeAdapter(MethodNode methodNode)

Constructs a new TreeCodeAdapter object.

Parameters:

methodNode - the method node to be used to store the tree representation constructed by this code visitor.

Method Detail

visitInsn

public void visitInsn(int opcode)

Description copied from interface: CodeVisitor

Visits a zero operand instruction.

Specified by:

visitInsn in interface CodeVisitor

Overrides:

visitInsn in class CodeAdapter

visitIntInsn

public void visitIntInsn(int opcode,
                         int operand)

Description copied from interface: CodeVisitor

Visits an instruction with a single int operand.

Specified by:

visitIntInsn in interface CodeVisitor

Overrides:

visitIntInsn in class CodeAdapter

visitVarInsn

public void visitVarInsn(int opcode,
                         int var)

Description copied from interface: CodeVisitor

Visits a local variable instruction. A local variable instruction is an instruction that loads or stores the value of a local variable.

Specified by:

visitVarInsn in interface CodeVisitor

Overrides:

visitVarInsn in class CodeAdapter

visitTypeInsn

public void visitTypeInsn(int opcode,
                          java.lang.String desc)

Description copied from interface: CodeVisitor

Visits a type instruction. A type instruction is an instruction that takes a type descriptor as parameter.

Specified by:

visitTypeInsn in interface CodeVisitor

Overrides:

visitTypeInsn in class CodeAdapter

visitFieldInsn

public void visitFieldInsn(int opcode,
                           java.lang.String owner,
                           java.lang.String name,
                           java.lang.String desc)

Description copied from interface: CodeVisitor

Visits a field instruction. A field instruction is an instruction that loads or stores the value of a field of an object.

Specified by:

visitFieldInsn in interface CodeVisitor

Overrides:

visitFieldInsn in class CodeAdapter

visitMethodInsn

public void visitMethodInsn(int opcode,
                            java.lang.String owner,
                            java.lang.String name,
                            java.lang.String desc)

Description copied from interface: CodeVisitor

Visits a method instruction. A method instruction is an instruction that invokes a method.

Specified by:

visitMethodInsn in interface CodeVisitor

Overrides:

visitMethodInsn in class CodeAdapter

visitJumpInsn

public void visitJumpInsn(int opcode,
                          Label label)

Description copied from interface: CodeVisitor

Visits a jump instruction. A jump instruction is an instruction that may jump to another instruction.

Specified by:

visitJumpInsn in interface CodeVisitor

Overrides:

visitJumpInsn in class CodeAdapter

visitLabel

public void visitLabel(Label label)

Description copied from interface: CodeVisitor

Visits a label. A label designates the instruction that will be visited just after it.

Specified by:

visitLabel in interface CodeVisitor

Overrides:

visitLabel in class CodeAdapter

visitLdcInsn

public void visitLdcInsn(java.lang.Object cst)

Description copied from interface: CodeVisitor

Visits a LDC instruction.

Specified by:

visitLdcInsn in interface CodeVisitor

Overrides:

visitLdcInsn in class CodeAdapter

visitIincInsn

public void visitIincInsn(int var,
                          int increment)

Description copied from interface: CodeVisitor

Visits an IINC instruction.

Specified by:

visitIincInsn in interface CodeVisitor

Overrides:

visitIincInsn in class CodeAdapter

visitTableSwitchInsn

public void visitTableSwitchInsn(int min,
                                 int max,
                                 Label dflt,
                                 Label[] labels)

Description copied from interface: CodeVisitor

Visits a TABLESWITCH instruction.

Specified by:

visitTableSwitchInsn in interface CodeVisitor

Overrides:

visitTableSwitchInsn in class CodeAdapter

visitLookupSwitchInsn

public void visitLookupSwitchInsn(Label dflt,
                                  int[] keys,
                                  Label[] labels)

Description copied from interface: CodeVisitor

Visits a LOOKUPSWITCH instruction.

Specified by:

visitLookupSwitchInsn in interface CodeVisitor

Overrides:

visitLookupSwitchInsn in class CodeAdapter

visitMultiANewArrayInsn

public void visitMultiANewArrayInsn(java.lang.String desc,
                                    int dims)

Description copied from interface: CodeVisitor

Visits a MULTIANEWARRAY instruction.

Specified by:

visitMultiANewArrayInsn in interface CodeVisitor

Overrides:

visitMultiANewArrayInsn in class CodeAdapter

visitTryCatchBlock

public void visitTryCatchBlock(Label start,
                               Label end,
                               Label handler,
                               java.lang.String type)

Description copied from interface: CodeVisitor

Visits a try catch block.

Specified by:

visitTryCatchBlock in interface CodeVisitor

Overrides:

visitTryCatchBlock in class CodeAdapter

visitMaxs

public void visitMaxs(int maxStack,
                      int maxLocals)

Description copied from interface: CodeVisitor

Visits the maximum stack size and the maximum number of local variables of the method.

Specified by:

visitMaxs in interface CodeVisitor

Overrides:

visitMaxs in class CodeAdapter

visitLocalVariable

public void visitLocalVariable(java.lang.String name,
                               java.lang.String desc,
                               Label start,
                               Label end,
                               int index)

Description copied from interface: CodeVisitor

Visits a local variable declaration.

Specified by:

visitLocalVariable in interface CodeVisitor

Overrides:

visitLocalVariable in class CodeAdapter

visitLineNumber

public void visitLineNumber(int line,
                            Label start)

Description copied from interface: CodeVisitor

Visits a line number declaration.

Specified by:

visitLineNumber in interface CodeVisitor

Overrides:

visitLineNumber in class CodeAdapter

visitAttribute

public void visitAttribute(Attribute attr)

Description copied from interface: CodeVisitor

Visits a non standard attribute of the code. This method must visit only the first attribute in the given attribute list.

Specified by:

visitAttribute in interface CodeVisitor

Overrides:

visitAttribute in class CodeAdapter