com.github.fge.grappa.transform.hash

Class InstructionGroupHasher

java.lang.Object

org.objectweb.asm.MethodVisitor

com.github.fge.grappa.transform.hash.InstructionGroupHasher

@NotThreadSafe
public final class InstructionGroupHasher
extends MethodVisitor

Hashing for an InstructionGroup

Not very pretty, that one.

The only entry point, hash(InstructionGroup, String), will hash the entire instructions and field out of the instruction group, then set the name of the instruction group appropriately.

See Also:

InstructionGroupPreparer

Field Summary

Fields inherited from class org.objectweb.asm.MethodVisitor

api, mv

Method Summary

Methods

Modifier and Type	Method and Description
static void	hash(InstructionGroup group, String className) Generate a hash of the group, use it to name it
void	visitFieldInsn(int opcode, String owner, String name, String desc)
void	visitIincInsn(int var, int increment)
void	visitInsn(int opcode)
void	visitIntInsn(int opcode, int operand)
void	visitJumpInsn(int opcode, Label label)
void	visitLabel(Label label)
void	visitLdcInsn(Object cst)
void	visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
void	visitMethodInsn(int opcode, String owner, String name, String desc, boolean itf)
void	visitMultiANewArrayInsn(String desc, int dims)
void	visitTableSwitchInsn(int min, int max, Label dflt, Label... labels)
void	visitTryCatchBlock(Label start, Label end, Label handler, String type)
void	visitTypeInsn(int opcode, String type)
void	visitVarInsn(int opcode, int var)

Methods inherited from class org.objectweb.asm.MethodVisitor

visitAnnotation, visitAnnotationDefault, visitAttribute, visitCode, visitEnd, visitFrame, visitInsnAnnotation, visitInvokeDynamicInsn, visitLineNumber, visitLocalVariable, visitLocalVariableAnnotation, visitMaxs, visitMethodInsn, visitParameter, visitParameterAnnotation, visitTryCatchAnnotation, visitTypeAnnotation

Methods inherited from class java.lang.Object

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

Method Detail

hash

public static void hash(@Nonnull
        InstructionGroup group,
        @Nonnull
        String className)

Generate a hash of the group, use it to name it

Parameters:

group - the instruction group

className - this group's parent class name

visitInsn

public void visitInsn(int opcode)

Overrides:

visitInsn in class MethodVisitor

visitIntInsn

public void visitIntInsn(int opcode,
                int operand)

Overrides:

visitIntInsn in class MethodVisitor

visitVarInsn

public void visitVarInsn(int opcode,
                int var)

Overrides:

visitVarInsn in class MethodVisitor

visitTypeInsn

public void visitTypeInsn(int opcode,
                 String type)

Overrides:

visitTypeInsn in class MethodVisitor

visitFieldInsn

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

Overrides:

visitFieldInsn in class MethodVisitor

visitMethodInsn

public void visitMethodInsn(int opcode,
                   String owner,
                   String name,
                   String desc,
                   boolean itf)

Overrides:

visitMethodInsn in class MethodVisitor

visitJumpInsn

public void visitJumpInsn(int opcode,
                 Label label)

Overrides:

visitJumpInsn in class MethodVisitor

visitLabel

public void visitLabel(Label label)

Overrides:

visitLabel in class MethodVisitor

visitLdcInsn

public void visitLdcInsn(Object cst)

Overrides:

visitLdcInsn in class MethodVisitor

visitIincInsn

public void visitIincInsn(int var,
                 int increment)

Overrides:

visitIincInsn in class MethodVisitor

visitTableSwitchInsn

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

Overrides:

visitTableSwitchInsn in class MethodVisitor

visitLookupSwitchInsn

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

Overrides:

visitLookupSwitchInsn in class MethodVisitor

visitMultiANewArrayInsn

public void visitMultiANewArrayInsn(String desc,
                           int dims)

Overrides:

visitMultiANewArrayInsn in class MethodVisitor

visitTryCatchBlock

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

Overrides:

visitTryCatchBlock in class MethodVisitor