org.apache.jdo.impl.enhancer.classfile
Class InsnUtils

java.lang.Object
  extended by org.apache.jdo.impl.enhancer.classfile.InsnUtils
All Implemented Interfaces:
VMConstants

public class InsnUtils
extends java.lang.Object
implements VMConstants

InsnUtils provides a set of static methods which serve to select vm instructions during code annotation.


Field Summary
 
Fields inherited from interface org.apache.jdo.impl.enhancer.classfile.VMConstants
ACCAbstract, ACCFinal, ACCInterface, ACCNative, ACCPrivate, ACCProtected, ACCPublic, ACCStatic, ACCSuper, ACCSynchronized, ACCTransient, ACCVolatile, CONSTANTClass, CONSTANTDouble, CONSTANTFieldRef, CONSTANTFloat, CONSTANTInteger, CONSTANTInterfaceMethodRef, CONSTANTLong, CONSTANTMethodRef, CONSTANTNameAndType, CONSTANTString, CONSTANTUnicode, CONSTANTUtf8, opc_aaload, opc_aastore, opc_aconst_null, opc_aload, opc_aload_0, opc_aload_1, opc_aload_2, opc_aload_3, opc_anewarray, opc_areturn, opc_arraylength, opc_astore, opc_astore_0, opc_astore_1, opc_astore_2, opc_astore_3, opc_athrow, opc_baload, opc_bastore, opc_bipush, opc_caload, opc_castore, opc_checkcast, opc_d2f, opc_d2i, opc_d2l, opc_dadd, opc_daload, opc_dastore, opc_dcmpg, opc_dcmpl, opc_dconst_0, opc_dconst_1, opc_ddiv, opc_dload, opc_dload_0, opc_dload_1, opc_dload_2, opc_dload_3, opc_dmul, opc_dneg, opc_drem, opc_dreturn, opc_dstore, opc_dstore_0, opc_dstore_1, opc_dstore_2, opc_dstore_3, opc_dsub, opc_dup, opc_dup_x1, opc_dup_x2, opc_dup2, opc_dup2_x1, opc_dup2_x2, opc_f2d, opc_f2i, opc_f2l, opc_fadd, opc_faload, opc_fastore, opc_fcmpg, opc_fcmpl, opc_fconst_0, opc_fconst_1, opc_fconst_2, opc_fdiv, opc_fload, opc_fload_0, opc_fload_1, opc_fload_2, opc_fload_3, opc_fmul, opc_fneg, opc_frem, opc_freturn, opc_fstore, opc_fstore_0, opc_fstore_1, opc_fstore_2, opc_fstore_3, opc_fsub, opc_getfield, opc_getstatic, opc_goto, opc_goto_w, opc_i2b, opc_i2c, opc_i2d, opc_i2f, opc_i2l, opc_i2s, opc_iadd, opc_iaload, opc_iand, opc_iastore, opc_iconst_0, opc_iconst_1, opc_iconst_2, opc_iconst_3, opc_iconst_4, opc_iconst_5, opc_iconst_m1, opc_idiv, opc_if_acmpeq, opc_if_acmpne, opc_if_icmpeq, opc_if_icmpge, opc_if_icmpgt, opc_if_icmple, opc_if_icmplt, opc_if_icmpne, opc_ifeq, opc_ifge, opc_ifgt, opc_ifle, opc_iflt, opc_ifne, opc_ifnonnull, opc_ifnull, opc_iinc, opc_iload, opc_iload_0, opc_iload_1, opc_iload_2, opc_iload_3, opc_imul, opc_ineg, opc_instanceof, opc_invokeinterface, opc_invokespecial, opc_invokestatic, opc_invokevirtual, opc_ior, opc_irem, opc_ireturn, opc_ishl, opc_ishr, opc_istore, opc_istore_0, opc_istore_1, opc_istore_2, opc_istore_3, opc_isub, opc_iushr, opc_ixor, opc_jsr, opc_jsr_w, opc_l2d, opc_l2f, opc_l2i, opc_ladd, opc_laload, opc_land, opc_lastore, opc_lcmp, opc_lconst_0, opc_lconst_1, opc_ldc, opc_ldc_w, opc_ldc2_w, opc_ldiv, opc_lload, opc_lload_0, opc_lload_1, opc_lload_2, opc_lload_3, opc_lmul, opc_lneg, opc_lookupswitch, opc_lor, opc_lrem, opc_lreturn, opc_lshl, opc_lshr, opc_lstore, opc_lstore_0, opc_lstore_1, opc_lstore_2, opc_lstore_3, opc_lsub, opc_lushr, opc_lxor, opc_monitorenter, opc_monitorexit, opc_multianewarray, opc_new, opc_newarray, opc_nop, opc_pop, opc_pop2, opc_putfield, opc_putstatic, opc_ret, opc_return, opc_saload, opc_sastore, opc_sipush, opc_swap, opc_tableswitch, opc_wide, opc_xxxunusedxxx, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, T_TWOWORD, T_UNKNOWN, T_WORD, TC_INTERFACE, TC_OBJECT, TC_STRING
 
Constructor Summary
InsnUtils()
           
 
Method Summary
static Insn aLoad(int i, ConstantPool pool)
          Return the best instruction for loading a reference from a local variable slot
static Insn aStore(int i, ConstantPool pool)
          Return the best instruction for storing a reference to a local variable slot
static Insn constantValue(ConstValue value)
          Return the best instruction for loading a value from the constant pool onto the stack - hopefully use short form
static Insn dLoad(int i, ConstantPool pool)
          Return the best instruction for loading a double from a local variable slot
static Insn doubleConstant(double d, ConstantPool pool)
          Return the best instruction for loading the specified double constant onto the stack.
static Insn dStore(int i, ConstantPool pool)
          Return the best instruction for storing a double to a local variable slot
static Insn fLoad(int i, ConstantPool pool)
          Return the best instruction for loading a float from a local variable slot
static Insn floatConstant(float f, ConstantPool pool)
          Return the best instruction for loading the specified float constant onto the stack.
static Insn fStore(int i, ConstantPool pool)
          Return the best instruction for storing a float to a local variable slot
static Insn iLoad(int i, ConstantPool pool)
          Return the best instruction for loading an int from a local variable slot
static Insn integerConstant(int i, ConstantPool pool)
          Return the best instruction for loading the specified integer constant onto the stack - hopefully use short form
static Insn iStore(int i, ConstantPool pool)
          Return the best instruction for storing an int to a local variable slot
static Insn lLoad(int i, ConstantPool pool)
          Return the best instruction for loading a long from a local variable slot
static Insn load(int tp, int i, ConstantPool pool)
          Return the best instruction for loading a value from a local variable slot
static Insn longConstant(long l, ConstantPool pool)
          Return the best instruction for loading the specified long constant onto the stack.
static Insn lStore(int i, ConstantPool pool)
          Return the best instruction for storing a long to a local variable slot
static Insn store(int tp, int i, ConstantPool pool)
          Return the best instruction for storing a value to a local variable slot
static Insn stringConstant(java.lang.String s, ConstantPool pool)
          Return the best instruction for loading the specified String constant onto the stack - hopefully use short form
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

InsnUtils

public InsnUtils()
Method Detail

constantValue

public static Insn constantValue(ConstValue value)
Return the best instruction for loading a value from the constant pool onto the stack - hopefully use short form


stringConstant

public static Insn stringConstant(java.lang.String s,
                                  ConstantPool pool)
Return the best instruction for loading the specified String constant onto the stack - hopefully use short form


integerConstant

public static Insn integerConstant(int i,
                                   ConstantPool pool)
Return the best instruction for loading the specified integer constant onto the stack - hopefully use short form


longConstant

public static Insn longConstant(long l,
                                ConstantPool pool)
Return the best instruction for loading the specified long constant onto the stack.


floatConstant

public static Insn floatConstant(float f,
                                 ConstantPool pool)
Return the best instruction for loading the specified float constant onto the stack.


doubleConstant

public static Insn doubleConstant(double d,
                                  ConstantPool pool)
Return the best instruction for loading the specified double constant onto the stack.


aStore

public static Insn aStore(int i,
                          ConstantPool pool)
Return the best instruction for storing a reference to a local variable slot


iStore

public static Insn iStore(int i,
                          ConstantPool pool)
Return the best instruction for storing an int to a local variable slot


fStore

public static Insn fStore(int i,
                          ConstantPool pool)
Return the best instruction for storing a float to a local variable slot


lStore

public static Insn lStore(int i,
                          ConstantPool pool)
Return the best instruction for storing a long to a local variable slot


dStore

public static Insn dStore(int i,
                          ConstantPool pool)
Return the best instruction for storing a double to a local variable slot


aLoad

public static Insn aLoad(int i,
                         ConstantPool pool)
Return the best instruction for loading a reference from a local variable slot


iLoad

public static Insn iLoad(int i,
                         ConstantPool pool)
Return the best instruction for loading an int from a local variable slot


fLoad

public static Insn fLoad(int i,
                         ConstantPool pool)
Return the best instruction for loading a float from a local variable slot


lLoad

public static Insn lLoad(int i,
                         ConstantPool pool)
Return the best instruction for loading a long from a local variable slot


dLoad

public static Insn dLoad(int i,
                         ConstantPool pool)
Return the best instruction for loading a double from a local variable slot


load

public static Insn load(int tp,
                        int i,
                        ConstantPool pool)
Return the best instruction for loading a value from a local variable slot


store

public static Insn store(int tp,
                         int i,
                         ConstantPool pool)
Return the best instruction for storing a value to a local variable slot



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