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1
54 package org.logicalcobwebs.cglib.util;
55
56 import java.lang.reflect.Method  ;
57 import java.lang.reflect.Modifier ;
58 import org.logicalcobwebs.cglib.core.*;
59 import org.logicalcobwebs.asm.ClassVisitor;
60 import org.logicalcobwebs.asm.Type;
61
62 class ParallelSorterEmitter extends ClassEmitter {
63 private static final Signature CSTRUCT_OBJECT_ARRAY =
64 TypeUtils.parseConstructor("Object[]");
65 private static final Signature NEW_INSTANCE =
66 TypeUtils.parseSignature("org.logicalcobwebs.cglib.util.ParallelSorter newInstance(Object[])");
67 private static final Signature SWAP =
68 TypeUtils.parseSignature("void swap(int, int)");
69 private static final Type PARALLEL_SORTER =
70 TypeUtils.parseType("org.logicalcobwebs.cglib.util.ParallelSorter");
71
72 public ParallelSorterEmitter(ClassVisitor v, String className, Object [] arrays) {
73 super(v);
74 begin_class(Constants.ACC_PUBLIC, className, PARALLEL_SORTER, null, Constants.SOURCE_FILE);
75 EmitUtils.null_constructor(this);
76 EmitUtils.factory_method(this, NEW_INSTANCE);
77 generateConstructor(arrays);
78 generateSwap(arrays);
79 end_class();
80 }
81
82 private String getFieldName(int index) {
83 return "FIELD_" + index;
84 }
85
86 private void generateConstructor(Object [] arrays) {
87 CodeEmitter e = begin_method(Constants.ACC_PUBLIC, CSTRUCT_OBJECT_ARRAY, null, null);
88 e.load_this();
89 e.super_invoke_constructor();
90 e.load_this();
91 e.load_arg(0);
92 e.super_putfield("a", Constants.TYPE_OBJECT_ARRAY);
93 for (int i = 0; i < arrays.length; i++) {
94 Type type = Type.getType(arrays[i].getClass());
95 declare_field(Constants.ACC_PRIVATE, getFieldName(i), type, null, null);
96 e.load_this();
97 e.load_arg(0);
98 e.push(i);
99 e.aaload();
100 e.checkcast(type);
101 e.putfield(getFieldName(i));
102 }
103 e.return_value();
104 e.end_method();
105 }
106
107 private void generateSwap(final Object [] arrays) {
108 CodeEmitter e = begin_method(Constants.ACC_PUBLIC, SWAP, null, null);
109 for (int i = 0; i < arrays.length; i++) {
110 Type type = Type.getType(arrays[i].getClass());
111 Type component = TypeUtils.getComponentType(type);
112 Local T = e.make_local(type);
113
114 e.load_this();
115 e.getfield(getFieldName(i));
116 e.store_local(T);
117
118 e.load_local(T);
119 e.load_arg(0);
120
121 e.load_local(T);
122 e.load_arg(1);
123 e.array_load(component);
124
125 e.load_local(T);
126 e.load_arg(1);
127
128 e.load_local(T);
129 e.load_arg(0);
130 e.array_load(component);
131
132 e.array_store(component);
133 e.array_store(component);
134 }
135 e.return_value();
136 e.end_method();
137 }
138 }
139 |
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