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Oracle Fusion Middleware Java API Reference for Oracle TopLink 11g Release 1 (11.1.1) B32476-02 |
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java.lang.Object
oracle.toplink.libraries.asm.CodeAdapter
public class CodeAdapter
An empty CodeVisitor
that delegates to another CodeVisitor
. This class can be used as a super class to quickly implement usefull code adapter classes, just by overriding the necessary methods.
Constructor Summary | |
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CodeAdapter(CodeVisitor cv) Constructs a new CodeAdapter object. |
Method Summary | |
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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 |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public CodeAdapter(CodeVisitor cv)
CodeAdapter
object.
cv
- the code visitor to which this adapter must delegate calls.Method Detail |
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public void visitInsn(int opcode)
visitInsn
in interface CodeVisitor
opcode
- the opcode of the instruction to be visited. This opcode is either NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, or MONITOREXIT.public void visitIntInsn(int opcode, int operand)
visitIntInsn
in interface CodeVisitor
opcode
- the opcode of the instruction to be visited. This opcode is either BIPUSH, SIPUSH or NEWARRAY.operand
- the operand of the instruction to be visited.public void visitVarInsn(int opcode, int var)
visitVarInsn
in interface CodeVisitor
opcode
- the opcode of the local variable instruction to be visited. This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET.var
- the operand of the instruction to be visited. This operand is the index of a local variable.public void visitTypeInsn(int opcode, java.lang.String desc)
visitTypeInsn
in interface CodeVisitor
opcode
- the opcode of the type instruction to be visited. This opcode is either NEW, ANEWARRAY, CHECKCAST or INSTANCEOF.desc
- the operand of the instruction to be visited. This operand is must be a fully qualified class name in internal form, or the type descriptor of an array type (see Type
).public void visitFieldInsn(int opcode, java.lang.String owner, java.lang.String name, java.lang.String desc)
visitFieldInsn
in interface CodeVisitor
opcode
- the opcode of the type instruction to be visited. This opcode is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD.owner
- the internal name of the field's owner class (see getInternalName
).name
- the field's name.desc
- the field's descriptor (see Type
).public void visitMethodInsn(int opcode, java.lang.String owner, java.lang.String name, java.lang.String desc)
visitMethodInsn
in interface CodeVisitor
opcode
- the opcode of the type instruction to be visited. This opcode is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE.owner
- the internal name of the method's owner class (see getInternalName
).name
- the method's name.desc
- the method's descriptor (see Type
).public void visitJumpInsn(int opcode, Label label)
visitJumpInsn
in interface CodeVisitor
opcode
- the opcode of the type instruction to be visited. This opcode is either IFEQ, IFNE, IFLT, IFGE, IFGT, IFLE, IF_ICMPEQ, IF_ICMPNE, IF_ICMPLT, IF_ICMPGE, IF_ICMPGT, IF_ICMPLE, IF_ACMPEQ, IF_ACMPNE, GOTO, JSR, IFNULL or IFNONNULL.label
- the operand of the instruction to be visited. This operand is a label that designates the instruction to which the jump instruction may jump.public void visitLabel(Label label)
visitLabel
in interface CodeVisitor
label
- a Label
object.public void visitLdcInsn(java.lang.Object cst)
visitLdcInsn
in interface CodeVisitor
cst
- the constant to be loaded on the stack. This parameter must be a non null Integer
, a Float
, a Long
, a Double
a String
(or a Type
for .class constants, for classes whose version is 49.0 or more).public void visitIincInsn(int var, int increment)
visitIincInsn
in interface CodeVisitor
var
- index of the local variable to be incremented.increment
- amount to increment the local variable by.public void visitTableSwitchInsn(int min, int max, Label dflt, Label[] labels)
visitTableSwitchInsn
in interface CodeVisitor
min
- the minimum key value.max
- the maximum key value.dflt
- beginning of the default handler block.labels
- beginnings of the handler blocks. labels[i] is the beginning of the handler block for the min + i key.public void visitLookupSwitchInsn(Label dflt, int[] keys, Label[] labels)
visitLookupSwitchInsn
in interface CodeVisitor
dflt
- beginning of the default handler block.keys
- the values of the keys.labels
- beginnings of the handler blocks. labels[i] is the beginning of the handler block for the keys[i] key.public void visitMultiANewArrayInsn(java.lang.String desc, int dims)
visitMultiANewArrayInsn
in interface CodeVisitor
desc
- an array type descriptor (see Type
).dims
- number of dimensions of the array to allocate.public void visitTryCatchBlock(Label start, Label end, Label handler, java.lang.String type)
visitTryCatchBlock
in interface CodeVisitor
start
- beginning of the exception handler's scope (inclusive).end
- end of the exception handler's scope (exclusive).handler
- beginning of the exception handler's code.type
- internal name of the type of exceptions handled by the handler, or null to catch any exceptions (for "finally" blocks).public void visitMaxs(int maxStack, int maxLocals)
visitMaxs
in interface CodeVisitor
maxStack
- maximum stack size of the method.maxLocals
- maximum number of local variables for the method.public void visitLocalVariable(java.lang.String name, java.lang.String desc, Label start, Label end, int index)
visitLocalVariable
in interface CodeVisitor
name
- the name of a local variable.desc
- the type descriptor of this local variable.start
- the first instruction corresponding to the scope of this local variable (inclusive).end
- the last instruction corresponding to the scope of this local variable (exclusive).index
- the local variable's index.public void visitLineNumber(int line, Label start)
visitLineNumber
in interface CodeVisitor
line
- a line number. This number refers to the source file from which the class was compiled.start
- the first instruction corresponding to this line number.public void visitAttribute(Attribute attr)
visitAttribute
in interface CodeVisitor
attr
- a non standard code attribute. Must not be null.
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