org.jruby.internal.runtime.methods

Class InvokeDynamicMethodFactory

java.lang.Object

org.jruby.runtime.MethodFactory

org.jruby.internal.runtime.methods.InvocationMethodFactory

org.jruby.internal.runtime.methods.InvokeDynamicMethodFactory

All Implemented Interfaces:

org.objectweb.asm.Opcodes

public class InvokeDynamicMethodFactory
extends InvocationMethodFactory

In order to avoid the overhead with reflection-based method handles, this MethodFactory uses ASM to generate tiny invoker classes. This allows for better performance and more specialization per-handle than can be supported via reflection. It also allows optimizing away many conditionals that can be determined once ahead of time. When running in secured environments, this factory may not function. When this can be detected, MethodFactory will fall back on the reflection-based factory instead.

See Also:

MethodFactory

Field Summary

Fields

Modifier and Type	Field and Description
static com.headius.invokebinder.Signature[]	SPECIFIC_ARITY_SIGNATURES
static com.headius.invokebinder.Signature	VARIABLE_ARITY_SIGNATURE

Fields inherited from class org.jruby.internal.runtime.methods.InvocationMethodFactory

ARGS_INDEX, BLOCK_INDEX, CLASS_INDEX, classLoader, NAME_INDEX, RECEIVER_INDEX, syncObject, THIS_INDEX, THREADCONTEXT_INDEX

Fields inherited from interface org.objectweb.asm.Opcodes

AALOAD, AASTORE, ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_DEPRECATED, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_MANDATED, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_STRICT, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VARARGS, ACC_VOLATILE, ACONST_NULL, ALOAD, ANEWARRAY, ARETURN, ARRAYLENGTH, ASM4, ASM5, ASTORE, ATHROW, BALOAD, BASTORE, BIPUSH, CALOAD, CASTORE, CHECKCAST, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DLOAD, DMUL, DNEG, DOUBLE, DREM, DRETURN, DSTORE, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F_APPEND, F_CHOP, F_FULL, F_NEW, F_SAME, F_SAME1, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FLOAD, FLOAT, FMUL, FNEG, FREM, FRETURN, FSTORE, FSUB, GETFIELD, GETSTATIC, GOTO, H_GETFIELD, H_GETSTATIC, H_INVOKEINTERFACE, H_INVOKESPECIAL, H_INVOKESTATIC, H_INVOKEVIRTUAL, H_NEWINVOKESPECIAL, H_PUTFIELD, H_PUTSTATIC, 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, IMUL, INEG, INSTANCEOF, INTEGER, INVOKEDYNAMIC, INVOKEINTERFACE, INVOKESPECIAL, INVOKESTATIC, INVOKEVIRTUAL, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE, ISUB, IUSHR, IXOR, JSR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDC, LDIV, LLOAD, LMUL, LNEG, LONG, LOOKUPSWITCH, LOR, LREM, LRETURN, LSHL, LSHR, LSTORE, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, MULTIANEWARRAY, NEW, NEWARRAY, NOP, NULL, POP, POP2, PUTFIELD, PUTSTATIC, RET, RETURN, SALOAD, SASTORE, SIPUSH, SWAP, T_BOOLEAN, T_BYTE, T_CHAR, T_DOUBLE, T_FLOAT, T_INT, T_LONG, T_SHORT, TABLESWITCH, TOP, UNINITIALIZED_THIS, V1_1, V1_2, V1_3, V1_4, V1_5, V1_6, V1_7, V1_8

Constructor Summary

Constructors

Constructor and Description
InvokeDynamicMethodFactory(ClassLoader classLoader)

Method Summary

Methods

Modifier and Type	Method and Description
DynamicMethod	getAnnotatedMethod(RubyModule implementationClass, JavaMethodDescriptor desc) Use code generation to provide a method handle based on an annotated Java method.
DynamicMethod	getAnnotatedMethod(RubyModule implementationClass, List<JavaMethodDescriptor> descs) Use code generation to provide a method handle based on an annotated Java method.

Methods inherited from class org.jruby.internal.runtime.methods.InvocationMethodFactory

endClass, getAnnotatedMethodClass, getPostMethod, safeFixedSignature

Methods inherited from class org.jruby.runtime.MethodFactory

createFactory

Methods inherited from class java.lang.Object

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

Field Detail

VARIABLE_ARITY_SIGNATURE

public static final com.headius.invokebinder.Signature VARIABLE_ARITY_SIGNATURE

SPECIFIC_ARITY_SIGNATURES

public static final com.headius.invokebinder.Signature[] SPECIFIC_ARITY_SIGNATURES

Constructor Detail

InvokeDynamicMethodFactory

public InvokeDynamicMethodFactory(ClassLoader classLoader)

Method Detail

getAnnotatedMethod

public DynamicMethod getAnnotatedMethod(RubyModule implementationClass,
                               List<JavaMethodDescriptor> descs)

Description copied from class: InvocationMethodFactory

Use code generation to provide a method handle based on an annotated Java method.

Overrides:

getAnnotatedMethod in class InvocationMethodFactory

Parameters:

implementationClass - The target class or module on which the method will be bound.

Returns:

A method handle for the target object.

See Also:

MethodFactory.getAnnotatedMethod(org.jruby.RubyModule, java.util.List<org.jruby.anno.JavaMethodDescriptor>)

getAnnotatedMethod

public DynamicMethod getAnnotatedMethod(RubyModule implementationClass,
                               JavaMethodDescriptor desc)

Use code generation to provide a method handle based on an annotated Java method.

Overrides:

getAnnotatedMethod in class InvocationMethodFactory

Parameters:

implementationClass - The target class or module on which the method will be bound.

desc - A JavaMethodDescriptor describing the target method

Returns:

A method handle for the target object.

See Also:

MethodFactory.getAnnotatedMethod(org.jruby.RubyModule, java.util.List<org.jruby.anno.JavaMethodDescriptor>)