Mercurial > hg > graal-compiler
comparison graal/com.oracle.max.cri/src/com/oracle/max/cri/xir/XirSnippet.java @ 4199:aaac4894175c
Renamed cri packages from sun to oracle.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 03 Jan 2012 16:29:28 +0100 |
parents | graal/com.oracle.max.cri/src/com/sun/cri/xir/XirSnippet.java@bc8527f3071c |
children | 1aaf3592e516 |
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4198:8c9c0e1eaab1 | 4199:aaac4894175c |
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1 /* | |
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 package com.oracle.max.cri.xir; | |
24 | |
25 import java.util.*; | |
26 | |
27 import com.oracle.max.cri.ci.*; | |
28 import com.oracle.max.cri.ci.CiTargetMethod.*; | |
29 import com.oracle.max.cri.xir.CiXirAssembler.*; | |
30 | |
31 /** | |
32 * Represents a {@link XirTemplate template of XIR} along with the {@link XirArgument arguments} to be passed to the | |
33 * template. The runtime generates such snippets for each bytecode being compiled at the request of the compiler, and | |
34 * the compiler can generate machine code for the XIR snippet. | |
35 */ | |
36 public class XirSnippet { | |
37 | |
38 public final XirArgument[] arguments; | |
39 public final XirTemplate template; | |
40 public final Map<XirMark, Mark> marks; | |
41 | |
42 public XirSnippet(XirTemplate template, XirArgument... inputs) { | |
43 assert template != null; | |
44 this.template = template; | |
45 this.arguments = inputs; | |
46 this.marks = (template.marks != null && template.marks.length > 0) ? new HashMap<XirMark, Mark>() : null; | |
47 assert assertArgumentsCorrect(); | |
48 } | |
49 | |
50 private boolean assertArgumentsCorrect() { | |
51 int argLength = arguments == null ? 0 : arguments.length; | |
52 int paramLength = template.parameters == null ? 0 : template.parameters.length; | |
53 assert argLength == paramLength : "expected param count: " + paramLength + ", actual: " + argLength; | |
54 for (int i = 0; i < arguments.length; i++) { | |
55 assert assertArgumentCorrect(template.parameters[i], arguments[i]) : "mismatch in parameter " + i + ": " + arguments[i] + " instead of " + template.parameters[i]; | |
56 } | |
57 return true; | |
58 } | |
59 | |
60 private static boolean assertArgumentCorrect(XirParameter param, XirArgument arg) { | |
61 if (param.kind == CiKind.Illegal || param.kind == CiKind.Void) { | |
62 if (arg != null) { | |
63 return false; | |
64 } | |
65 } else { | |
66 if (arg == null) { | |
67 return false; | |
68 } | |
69 if (arg.constant != null) { | |
70 if (arg.constant != null && arg.constant.kind != param.kind) { | |
71 return false; | |
72 } | |
73 } | |
74 } | |
75 return true; | |
76 } | |
77 | |
78 @Override | |
79 public String toString() { | |
80 | |
81 StringBuffer sb = new StringBuffer(); | |
82 | |
83 sb.append(template.toString()); | |
84 sb.append("("); | |
85 for (XirArgument a : arguments) { | |
86 sb.append(" "); | |
87 sb.append(a); | |
88 } | |
89 | |
90 sb.append(" )"); | |
91 | |
92 return sb.toString(); | |
93 } | |
94 } |