1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.nashorn.internal.codegen.types;
import jdk.internal.org.objectweb.asm.MethodVisitor;
/**
* Numeric operations, not supported by all types
*/
interface BytecodeNumericOps {
/**
* Pop and negate the value on top of the stack and push the result
*
* @param method method visitor
*
* @return result type
*/
Type neg(MethodVisitor method);
/**
* Pop two values on top of the stack and subtract the first from the
* second, pushing the result on the stack
*
* @param method method visitor
*
* @return result type
*/
Type sub(MethodVisitor method);
/**
* Pop and multiply the two values on top of the stack and push the result
* on the stack
*
* @param method method visitor
*
* @return result type
*/
Type mul(MethodVisitor method);
/**
* Pop two values on top of the stack and divide the first with the second,
* pushing the result on the stack
*
* @param method method visitor
*
* @return result type
*/
Type div(MethodVisitor method);
/**
* Pop two values on top of the stack and compute the modulo of the first
* with the second, pushing the result on the stack
*
* @param method method visitor
*
* @return result type
*/
Type rem(MethodVisitor method);
/**
* Comparison with int return value, e.g. LCMP, DCMP.
*
* @param method the method visitor
* @param isCmpG is this a double style cmpg
*
* @return int return value
*/
Type cmp(MethodVisitor method, boolean isCmpG);
}
|
