01: /*
02: * $Id: DynamicCallNode.java,v 1.16 2002/09/16 08:05:04 jkl Exp $
03: *
04: * Copyright (c) 2002 Njet Communications Ltd. All Rights Reserved.
05: *
06: * Use is subject to license terms, as defined in
07: * Anvil Sofware License, Version 1.1. See LICENSE
08: * file, or http://njet.org/license-1.1.txt
09: */
10: package anvil.script.expression;
11:
12: import anvil.core.Any;
13: import anvil.core.runtime.AnyFunction;
14: import anvil.codec.Code;
15: import anvil.script.compiler.ByteCompiler;
16: import anvil.script.Context;
17: import anvil.script.Function;
18: import java.io.IOException;
19:
20: /**
21: * class DynamicCallNode
22: *
23: * @author: Jani Lehtimäki
24: */
25: public class DynamicCallNode extends MultiParent {
26:
27: public DynamicCallNode(Node self, Parent parameters) {
28: super (1 + parameters.childs());
29: int n = parameters.childs();
30: setChild(0, self);
31: for (int i = 0; i < n; i++) {
32: setChild(i + 1, parameters.getChild(i));
33: }
34: }
35:
36: public int typeOf() {
37: return Node.EXPR_CALL;
38: }
39:
40: public boolean isConstant() {
41: return false;
42: }
43:
44: private static final String[] SIGNATURES = {
45: "(Lanvil/script/Context;)Lanvil/core/Any;",
46: "(Lanvil/script/Context;Lanvil/core/Any;)Lanvil/core/Any;",
47: "(Lanvil/script/Context;Lanvil/core/Any;Lanvil/core/Any;)Lanvil/core/Any;",
48: "(Lanvil/script/Context;Lanvil/core/Any;Lanvil/core/Any;Lanvil/core/Any;)Lanvil/core/Any;",
49: "(Lanvil/script/Context;Lanvil/core/Any;Lanvil/core/Any;Lanvil/core/Any;Lanvil/core/Any;)Lanvil/core/Any;" };
50:
51: public void compile(ByteCompiler context, int operation) {
52: getChild(0).compile(context, GET);
53: Code code = context.getCode();
54: code.aload_first();
55: int n = childs() - 1;
56: if (!hasSplices() && n <= 4) {
57: for (int i = 0; i < n; i++) {
58: getChild(1 + i).compile(context, GET);
59: }
60: code.invokevirtual(code.getPool().addMethodRef(
61: context.TYPE_ANY, "execute", SIGNATURES[n]));
62: } else {
63: context.compileArgumentList(getChilds(1));
64: code
65: .invokevirtual(code
66: .getPool()
67: .addMethodRef(context.TYPE_ANY, "execute",
68: "(Lanvil/script/Context;[Lanvil/core/Any;)Lanvil/core/Any;"));
69: }
70: if (operation == GET_BOOLEAN) {
71: context.any2boolean();
72: }
73: }
74:
75: }
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