public class InstructionFactory extends Object implements InstructionConstants
Note: The static createXXX methods return singleton instances
from the InstructionConst
class.
Const
,
InstructionConst
InstructionConstants.Clinit
Modifier and Type | Field and Description |
---|---|
protected ClassGen |
cg
Deprecated.
(since 6.0) will be made private; do not access directly, use getter/setter
|
protected ConstantPoolGen |
cp
Deprecated.
(since 6.0) will be made private; do not access directly, use getter/setter
|
AALOAD, AASTORE, ACONST_NULL, ALOAD_0, ALOAD_1, ALOAD_2, ARETURN, ARRAYLENGTH, ASTORE_0, ASTORE_1, ASTORE_2, ATHROW, BALOAD, BASTORE, bla, CALOAD, CASTORE, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DMUL, DNEG, DREM, DRETURN, 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, FMUL, FNEG, FREM, FRETURN, FSUB, 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, ILOAD_0, ILOAD_1, ILOAD_2, IMUL, INEG, INSTRUCTIONS, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE_0, ISTORE_1, ISTORE_2, ISUB, IUSHR, IXOR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDIV, LMUL, LNEG, LOR, LREM, LRETURN, LSHL, LSHR, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, NOP, POP, POP2, RETURN, SALOAD, SASTORE, SWAP, THIS
Constructor and Description |
---|
InstructionFactory(ClassGen cg)
Initialize with ClassGen object
|
InstructionFactory(ClassGen cg,
ConstantPoolGen cp) |
InstructionFactory(ConstantPoolGen cp)
Initialize just with ConstantPoolGen object
|
Modifier and Type | Method and Description |
---|---|
Instruction |
createAppend(Type type) |
static ArrayInstruction |
createArrayLoad(Type type) |
static ArrayInstruction |
createArrayStore(Type type) |
static ArithmeticInstruction |
createBinaryOperation(String op,
Type type)
Create binary operation for simple basic types, such as int and float.
|
static BranchInstruction |
createBranchInstruction(short opcode,
InstructionHandle target)
Create branch instruction by given opcode, except LOOKUPSWITCH and TABLESWITCH.
|
Instruction |
createCast(Type src_type,
Type dest_type)
Create conversion operation for two stack operands, this may be an I2C, instruction, e.g.,
if the operands are basic types and CHECKCAST if they are reference types.
|
CHECKCAST |
createCheckCast(ReferenceType t) |
Instruction |
createConstant(Object value)
Uses PUSH to push a constant value onto the stack.
|
static StackInstruction |
createDup_1(int size) |
static StackInstruction |
createDup_2(int size) |
static StackInstruction |
createDup(int size) |
FieldInstruction |
createFieldAccess(String class_name,
String name,
Type type,
short kind)
Create a field instruction.
|
GETFIELD |
createGetField(String class_name,
String name,
Type t) |
GETSTATIC |
createGetStatic(String class_name,
String name,
Type t) |
INSTANCEOF |
createInstanceOf(ReferenceType t) |
InvokeInstruction |
createInvoke(String class_name,
String name,
Type ret_type,
Type[] arg_types,
short kind)
Create an invoke instruction.
|
static LocalVariableInstruction |
createLoad(Type type,
int index) |
NEW |
createNew(ObjectType t) |
NEW |
createNew(String s) |
Instruction |
createNewArray(Type t,
short dim)
Create new array of given size and type.
|
static Instruction |
createNull(Type type)
Create "null" value for reference types, 0 for basic types like int
|
static StackInstruction |
createPop(int size) |
InstructionList |
createPrintln(String s)
Create a call to the most popular System.out.println() method.
|
PUTFIELD |
createPutField(String class_name,
String name,
Type t) |
PUTSTATIC |
createPutStatic(String class_name,
String name,
Type t) |
static ReturnInstruction |
createReturn(Type type)
Create typed return
|
static LocalVariableInstruction |
createStore(Type type,
int index) |
static Instruction |
createThis()
Create reference to `this'
|
ClassGen |
getClassGen() |
ConstantPoolGen |
getConstantPool() |
void |
setClassGen(ClassGen c) |
void |
setConstantPool(ConstantPoolGen c) |
@Deprecated protected ClassGen cg
@Deprecated protected ConstantPoolGen cp
public InstructionFactory(ClassGen cg, ConstantPoolGen cp)
public InstructionFactory(ClassGen cg)
public InstructionFactory(ConstantPoolGen cp)
public InvokeInstruction createInvoke(String class_name, String name, Type ret_type, Type[] arg_types, short kind)
class_name
- name of the called classname
- name of the called methodret_type
- return type of methodarg_types
- argument types of methodkind
- how to invoke, i.e., INVOKEINTERFACE, INVOKESTATIC, INVOKEVIRTUAL,
or INVOKESPECIALConst
public InstructionList createPrintln(String s)
s
- the string to printpublic Instruction createConstant(Object value)
value
- must be of type Number, Boolean, Character or Stringpublic Instruction createAppend(Type type)
public FieldInstruction createFieldAccess(String class_name, String name, Type type, short kind)
class_name
- name of the accessed classname
- name of the referenced fieldtype
- type of fieldkind
- how to access, i.e., GETFIELD, PUTFIELD, GETSTATIC, PUTSTATICConst
public static Instruction createThis()
public static ReturnInstruction createReturn(Type type)
public static ArithmeticInstruction createBinaryOperation(String op, Type type)
op
- operation, such as "+", "*", "<<", etc.public static StackInstruction createPop(int size)
size
- size of operand, either 1 (int, e.g.) or 2 (double)public static StackInstruction createDup(int size)
size
- size of operand, either 1 (int, e.g.) or 2 (double)public static StackInstruction createDup_2(int size)
size
- size of operand, either 1 (int, e.g.) or 2 (double)public static StackInstruction createDup_1(int size)
size
- size of operand, either 1 (int, e.g.) or 2 (double)public static LocalVariableInstruction createStore(Type type, int index)
index
- index of local variablepublic static LocalVariableInstruction createLoad(Type type, int index)
index
- index of local variablepublic static ArrayInstruction createArrayLoad(Type type)
type
- type of elements of array, i.e., array.getElementType()public static ArrayInstruction createArrayStore(Type type)
type
- type of elements of array, i.e., array.getElementType()public Instruction createCast(Type src_type, Type dest_type)
public CHECKCAST createCheckCast(ReferenceType t)
public INSTANCEOF createInstanceOf(ReferenceType t)
public NEW createNew(ObjectType t)
public Instruction createNewArray(Type t, short dim)
public static Instruction createNull(Type type)
public static BranchInstruction createBranchInstruction(short opcode, InstructionHandle target)
public void setClassGen(ClassGen c)
public ClassGen getClassGen()
public void setConstantPool(ConstantPoolGen c)
public ConstantPoolGen getConstantPool()
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