Package javassist.bytecode.analysis

Class SubroutineScanner

java.lang.Object

javassist.bytecode.analysis.SubroutineScanner

All Implemented Interfaces:

Opcode

public class SubroutineScanner
extends Object
implements Opcode

Discovers the subroutines in a method, and tracks all callers.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) Set<Integer>	done
private Subroutine[]	subroutines
(package private) Map<Integer,Subroutine>	subTable

Fields inherited from interface javassist.bytecode.Opcode

AALOAD, AASTORE, ACONST_NULL, ALOAD, ALOAD_0, ALOAD_1, ALOAD_2, ALOAD_3, ANEWARRAY, ARETURN, ARRAYLENGTH, ASTORE, ASTORE_0, ASTORE_1, ASTORE_2, ASTORE_3, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DLOAD_0, DLOAD_1, DLOAD_2, DLOAD_3, DMUL, DNEG, DREM, DRETURN, DSTORE, DSTORE_0, DSTORE_1, DSTORE_2, DSTORE_3, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAD_0, FLOAD_1, FLOAD_2, FLOAD_3, FMUL, FNEG, FREM, FRETURN, FSTORE, FSTORE_0, FSTORE_1, FSTORE_2, FSTORE_3, FSUB, GETFIELD, GETSTATIC, GOTO, GOTO_W, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, IF_ACMPEQ, IF_ACMPNE, IF_ICMPEQ, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ICMPLT, IF_ICMPNE, IFEQ, IFGE, IFGT, IFLE, IFLT, IFNE, IFNONNULL, IFNULL, IINC, ILOAD, ILOAD_0, ILOAD_1, ILOAD_2, ILOAD_3, IMUL, INEG, INSTANCEOF, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISTORE_0, ISTORE_1, ISTORE_2, ISTORE_3, ISUB, IUSHR, IXOR, JSR, JSR_W, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDC_W, LDC2_W, LDIV, LLOAD, LLOAD_0, LLOAD_1, LLOAD_2, LLOAD_3, LMUL, LNEG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSTORE_0, LSTORE_1, LSTORE_2, LSTORE_3, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, STACK_GROW, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, WIDE

Constructor Summary

Constructors

Constructor	Description
SubroutineScanner()

Method Summary

Modifier and Type	Method	Description
private void	scan(int pos, CodeIterator iter, Subroutine sub)
Subroutine[]	scan(MethodInfo method)
private void	scanLookupSwitch(int pos, CodeIterator iter, Subroutine sub)
private boolean	scanOp(int pos, CodeIterator iter, Subroutine sub)
private void	scanTableSwitch(int pos, CodeIterator iter, Subroutine sub)

Methods inherited from class java.lang.Object

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

Field Details

subroutines

private Subroutine[] subroutines

subTable

Map<Integer,Subroutine> subTable

done

Set<Integer> done

Constructor Details

SubroutineScanner

public SubroutineScanner()

Method Details

scan

public Subroutine[] scan(MethodInfo method)
                  throws BadBytecode

Throws:

BadBytecode

scan

private void scan(int pos,
 CodeIterator iter,
 Subroutine sub)
           throws BadBytecode

Throws:

BadBytecode

scanOp

private boolean scanOp(int pos,
 CodeIterator iter,
 Subroutine sub)
                throws BadBytecode

Throws:

BadBytecode

scanLookupSwitch

private void scanLookupSwitch(int pos,
 CodeIterator iter,
 Subroutine sub)
                       throws BadBytecode

Throws:

BadBytecode

scanTableSwitch

private void scanTableSwitch(int pos,
 CodeIterator iter,
 Subroutine sub)
                      throws BadBytecode

Throws:

BadBytecode