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1 package gnu.kawa.reflect;
2 import gnu.bytecode.*;
3 import gnu.mapping.*;
4 import gnu.expr.*;
5 import java.io.*;
6
7 public class ArrayNew extends Procedure1 implements Inlineable, Externalizable
8 {
9 Type element_type;
10
11 public ArrayNew (Type element_type)
12 {
13 this.element_type = element_type;
14 }
15
16 public Object  apply1 (Object count)
17 {
18 return java.lang.reflect.Array.newInstance(element_type.getReflectClass(),
19 ((Number ) count).intValue());
20 }
21
22 public void compile (ApplyExp exp, Compilation comp, Target target)
23 {
24 exp.getArgs()[0].compile(comp, Type.int_type);
25 CodeAttr code = comp.getCode();
26 code.emitNewArray(element_type);
27 target.compileFromStack(comp, ArrayType.make(element_type));
28 }
29
30 public gnu.bytecode.Type getReturnType (Expression[] args)
31 {
32 return ArrayType.make(element_type);
33 }
34
35 public void writeExternal(ObjectOutput out) throws IOException
36 {
37 out.writeObject(element_type);
38 }
39
40 public void readExternal(ObjectInput in)
41 throws IOException, ClassNotFoundException
42 {
43 element_type = (Type) in.readObject();
44 }
45 }
46 |
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Java API By Example, From Geeks To Geeks.