org.logicalcobwebs.cglib.core
Class EmitUtils

java.lang.Object
  org.logicalcobwebs.cglib.core.EmitUtils

public class EmitUtils
extends java.lang.Object

Nested Class Summary

static class	EmitUtils.ArrayDelimiters
private static interface	EmitUtils.ParameterTyper

Field Summary

private static Signature	APPEND_BOOLEAN
private static Signature	APPEND_CHAR
private static Signature	APPEND_DOUBLE
private static Signature	APPEND_FLOAT
private static Signature	APPEND_INT
private static Signature	APPEND_LONG
private static Signature	APPEND_STRING
private static Signature	CSTRUCT_NULL
private static Signature	CSTRUCT_THROWABLE
static EmitUtils.ArrayDelimiters	DEFAULT_DELIMITERS
private static Signature	DOUBLE_TO_LONG_BITS
private static Signature	EQUALS
private static Signature	FLOAT_TO_INT_BITS
private static Signature	FOR_NAME
private static Signature	GET_DECLARED_METHOD
private static Signature	GET_NAME
private static Signature	HASH_CODE
private static Signature	LENGTH
private static Signature	SET_LENGTH
private static Signature	STRING_CHAR_AT
private static Signature	STRING_LENGTH
private static Signature	TO_STRING

Constructor Summary

private

EmitUtils()

Method Summary

static void	add_properties(ClassEmitter ce, java.lang.String[] names, Type[] types)
static void	add_property(ClassEmitter ce, java.lang.String name, Type type, java.lang.String fieldName)
private static void	append_string_helper(CodeEmitter e, Type type, EmitUtils.ArrayDelimiters delims, Customizer customizer, ProcessArrayCallback callback)
static void	append_string(CodeEmitter e, Type type, EmitUtils.ArrayDelimiters delims, Customizer customizer)
static void	constructor_switch(CodeEmitter e, java.lang.reflect.Constructor[] cstructs, ObjectSwitchCallback callback)
private static java.lang.String	escapeType(java.lang.String s)
static void	factory_method(ClassEmitter ce, Signature sig)
private static java.lang.String	getFieldName(java.lang.String typeName)
(package private) static int[]	getSwitchKeys(java.util.Map buckets)
private static void	hash_array(CodeEmitter e, Type type, int multiplier, Customizer customizer)
static void	hash_code(CodeEmitter e, Type type, int multiplier, Customizer customizer)
private static void	hash_long(CodeEmitter e)
private static void	hash_object(CodeEmitter e, Type type, Customizer customizer)
private static void	hash_primitive(CodeEmitter e, Type type)
private static void	load_class_helper(CodeEmitter e, Type type)
static void	load_class_this(CodeEmitter e)
static void	load_class(CodeEmitter e, Type type)
static void	load_method(CodeEmitter e, java.lang.reflect.Method method)
private static void	member_helper_size(CodeEmitter e, java.util.List members, ObjectSwitchCallback callback, EmitUtils.ParameterTyper typer, Label def, Label end)
private static void	member_helper_type(CodeEmitter e, java.util.List members, ObjectSwitchCallback callback, EmitUtils.ParameterTyper typer, Label def, Label end, java.util.BitSet checked)
private static void	member_switch_helper(CodeEmitter e, java.util.List members, ObjectSwitchCallback callback, boolean useName, EmitUtils.ParameterTyper typer)
static void	method_switch(CodeEmitter e, java.lang.reflect.Method[] methods, ObjectSwitchCallback callback)
private static void	not_equals_helper(CodeEmitter e, Type type, Label notEquals, Customizer customizer, ProcessArrayCallback callback)
static void	not_equals(CodeEmitter e, Type type, Label notEquals, Customizer customizer) Branches to the specified label if the top two items on the stack are not equal.
static void	null_constructor(ClassEmitter ce)
private static void	nullcmp(CodeEmitter e, Label oneNull, Label bothNull) If both objects on the top of the stack are non-null, does nothing.
static void	process_array(CodeEmitter e, Type type, ProcessArrayCallback callback) Process an array on the stack.
static void	process_arrays(CodeEmitter e, Type type, ProcessArrayCallback callback) Process two arrays on the stack in parallel.
static void	push_array(CodeEmitter e, java.lang.Object[] array)
static void	push_object(CodeEmitter e, java.lang.Object obj)
private static void	shrinkStringBuffer(CodeEmitter e, int amt)
private static void	string_switch_hash(CodeEmitter e, java.lang.String[] strings, ObjectSwitchCallback callback, boolean skipEquals)
private static void	string_switch_trie(CodeEmitter e, java.lang.String[] strings, ObjectSwitchCallback callback)
static void	string_switch(CodeEmitter e, java.lang.String[] strings, int switchStyle, ObjectSwitchCallback callback)
private static void	stringSwitchHelper(CodeEmitter e, java.util.List strings, ObjectSwitchCallback callback, Label def, Label end, int index)
static void	wrap_throwable(Block block, Type wrapper)

Methods inherited from class java.lang.Object

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

Field Detail

CSTRUCT_NULL

private static final Signature CSTRUCT_NULL

CSTRUCT_THROWABLE

private static final Signature CSTRUCT_THROWABLE

GET_NAME

private static final Signature GET_NAME

HASH_CODE

private static final Signature HASH_CODE

EQUALS

private static final Signature EQUALS

STRING_LENGTH

private static final Signature STRING_LENGTH

STRING_CHAR_AT

private static final Signature STRING_CHAR_AT

FOR_NAME

private static final Signature FOR_NAME

DOUBLE_TO_LONG_BITS

private static final Signature DOUBLE_TO_LONG_BITS

FLOAT_TO_INT_BITS

private static final Signature FLOAT_TO_INT_BITS

TO_STRING

private static final Signature TO_STRING

APPEND_STRING

private static final Signature APPEND_STRING

APPEND_INT

private static final Signature APPEND_INT

APPEND_DOUBLE

private static final Signature APPEND_DOUBLE

APPEND_FLOAT

private static final Signature APPEND_FLOAT

APPEND_CHAR

private static final Signature APPEND_CHAR

APPEND_LONG

private static final Signature APPEND_LONG

APPEND_BOOLEAN

private static final Signature APPEND_BOOLEAN

LENGTH

private static final Signature LENGTH

SET_LENGTH

private static final Signature SET_LENGTH

GET_DECLARED_METHOD

private static final Signature GET_DECLARED_METHOD

DEFAULT_DELIMITERS

public static final EmitUtils.ArrayDelimiters DEFAULT_DELIMITERS

Constructor Detail

EmitUtils

private EmitUtils()

Method Detail

factory_method

public static void factory_method(ClassEmitter ce,
                                  Signature sig)

null_constructor

public static void null_constructor(ClassEmitter ce)

process_array

public static void process_array(CodeEmitter e,
                                 Type type,
                                 ProcessArrayCallback callback)

Process an array on the stack. Assumes the top item on the stack is an array of the specified type. For each element in the array, puts the element on the stack and triggers the callback.

Parameters:

type - the type of the array (type.isArray() must be true)

callback - the callback triggered for each element

process_arrays

public static void process_arrays(CodeEmitter e,
                                  Type type,
                                  ProcessArrayCallback callback)

Process two arrays on the stack in parallel. Assumes the top two items on the stack are arrays of the specified class. The arrays must be the same length. For each pair of elements in the arrays, puts the pair on the stack and triggers the callback.

Parameters:

type - the type of the arrays (type.isArray() must be true)

callback - the callback triggered for each pair of elements

string_switch

public static void string_switch(CodeEmitter e,
                                 java.lang.String[] strings,
                                 int switchStyle,
                                 ObjectSwitchCallback callback)

string_switch_trie

private static void string_switch_trie(CodeEmitter e,
                                       java.lang.String[] strings,
                                       ObjectSwitchCallback callback)
                                throws java.lang.Exception

Throws:

java.lang.Exception

stringSwitchHelper

private static void stringSwitchHelper(CodeEmitter e,
                                       java.util.List strings,
                                       ObjectSwitchCallback callback,
                                       Label def,
                                       Label end,
                                       int index)
                                throws java.lang.Exception

Throws:

java.lang.Exception

getSwitchKeys

static int[] getSwitchKeys(java.util.Map buckets)

string_switch_hash

private static void string_switch_hash(CodeEmitter e,
                                       java.lang.String[] strings,
                                       ObjectSwitchCallback callback,
                                       boolean skipEquals)
                                throws java.lang.Exception

Throws:

java.lang.Exception

load_class_this

public static void load_class_this(CodeEmitter e)

load_class

public static void load_class(CodeEmitter e,
                              Type type)

load_class_helper

private static void load_class_helper(CodeEmitter e,
                                      Type type)

getFieldName

private static java.lang.String getFieldName(java.lang.String typeName)

escapeType

private static java.lang.String escapeType(java.lang.String s)

push_array

public static void push_array(CodeEmitter e,
                              java.lang.Object[] array)

push_object

public static void push_object(CodeEmitter e,
                               java.lang.Object obj)

hash_code

public static void hash_code(CodeEmitter e,
                             Type type,
                             int multiplier,
                             Customizer customizer)

hash_array

private static void hash_array(CodeEmitter e,
                               Type type,
                               int multiplier,
                               Customizer customizer)

hash_object

private static void hash_object(CodeEmitter e,
                                Type type,
                                Customizer customizer)

hash_primitive

private static void hash_primitive(CodeEmitter e,
                                   Type type)

hash_long

private static void hash_long(CodeEmitter e)

not_equals

public static void not_equals(CodeEmitter e,
                              Type type,
                              Label notEquals,
                              Customizer customizer)

Branches to the specified label if the top two items on the stack are not equal. The items must both be of the specified class. Equality is determined by comparing primitive values directly and by invoking the equals method for Objects. Arrays are recursively processed in the same manner.

not_equals_helper

private static void not_equals_helper(CodeEmitter e,
                                      Type type,
                                      Label notEquals,
                                      Customizer customizer,
                                      ProcessArrayCallback callback)

nullcmp

private static void nullcmp(CodeEmitter e,
                            Label oneNull,
                            Label bothNull)

If both objects on the top of the stack are non-null, does nothing. If one is null, or both are null, both are popped off and execution branches to the respective label.

Parameters:

oneNull - label to branch to if only one of the objects is null

bothNull - label to branch to if both of the objects are null

append_string

public static void append_string(CodeEmitter e,
                                 Type type,
                                 EmitUtils.ArrayDelimiters delims,
                                 Customizer customizer)

append_string_helper

private static void append_string_helper(CodeEmitter e,
                                         Type type,
                                         EmitUtils.ArrayDelimiters delims,
                                         Customizer customizer,
                                         ProcessArrayCallback callback)

shrinkStringBuffer

private static void shrinkStringBuffer(CodeEmitter e,
                                       int amt)

load_method

public static void load_method(CodeEmitter e,
                               java.lang.reflect.Method method)

method_switch

public static void method_switch(CodeEmitter e,
                                 java.lang.reflect.Method[] methods,
                                 ObjectSwitchCallback callback)

constructor_switch

public static void constructor_switch(CodeEmitter e,
                                      java.lang.reflect.Constructor[] cstructs,
                                      ObjectSwitchCallback callback)

member_switch_helper

private static void member_switch_helper(CodeEmitter e,
                                         java.util.List members,
                                         ObjectSwitchCallback callback,
                                         boolean useName,
                                         EmitUtils.ParameterTyper typer)

member_helper_size

private static void member_helper_size(CodeEmitter e,
                                       java.util.List members,
                                       ObjectSwitchCallback callback,
                                       EmitUtils.ParameterTyper typer,
                                       Label def,
                                       Label end)
                                throws java.lang.Exception

Throws:

java.lang.Exception

member_helper_type

private static void member_helper_type(CodeEmitter e,
                                       java.util.List members,
                                       ObjectSwitchCallback callback,
                                       EmitUtils.ParameterTyper typer,
                                       Label def,
                                       Label end,
                                       java.util.BitSet checked)
                                throws java.lang.Exception

Throws:

java.lang.Exception

wrap_throwable

public static void wrap_throwable(Block block,
                                  Type wrapper)

add_properties

public static void add_properties(ClassEmitter ce,
                                  java.lang.String[] names,
                                  Type[] types)

add_property

public static void add_property(ClassEmitter ce,
                                java.lang.String name,
                                Type type,
                                java.lang.String fieldName)