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comparison graal/com.oracle.max.graal.compiler/src/com/sun/c1x/debug/BlockPrinter.java @ 2872:0341b6424579

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Project renaming.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 08 Jun 2011 08:42:25 +0200
parents graal/GraalCompiler/src/com/sun/c1x/debug/BlockPrinter.java@2af109bec0c0
children
comparison
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2871:d704eb526603 2872:0341b6424579
1 /*
2 * Copyright (c) 2009, 2010, 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.sun.c1x.debug;
24
25 import com.oracle.graal.graph.*;
26 import com.oracle.max.graal.schedule.*;
27 import com.sun.c1x.graph.*;
28 import com.sun.c1x.ir.*;
29 import com.sun.c1x.util.*;
30 import com.sun.c1x.value.*;
31
32 /**
33 * Prints a listing for a {@linkplain Merge block}.
34 */
35 public class BlockPrinter implements BlockClosure {
36
37 private final InstructionPrinter ip;
38 private final boolean cfgOnly;
39
40 public BlockPrinter(IR ir, InstructionPrinter ip, boolean cfgOnly) {
41 this.ip = ip;
42 this.cfgOnly = cfgOnly;
43 }
44
45 public void apply(Block block) {
46 if (cfgOnly) {
47 if (block.getInstructions().size() > 0) {
48 ip.printInstruction((Instruction) block.getInstructions().get(0));
49 } else {
50 ip.out().println("Empty block");
51 }
52 ip.out().println();
53 } else {
54 printBlock(block);
55 }
56 }
57
58 public void printBlock(Block block) {
59 LogStream out = ip.out();
60 out.println();
61
62 ip.printInstructionListingHeader();
63
64 for (Node i : block.getInstructions()) {
65 if (i instanceof Instruction) {
66 ip.printInstructionListing((Instruction) i);
67 }
68 }
69 out.println();
70
71 }
72
73 private static void printFrameState(FrameState newFrameState, LogStream out) {
74 int startPosition = out.position();
75 if (newFrameState.stackSize() == 0) {
76 out.print("empty stack");
77 } else {
78 out.print("stack [");
79 int i = 0;
80 while (i < newFrameState.stackSize()) {
81 if (i > 0) {
82 out.print(", ");
83 }
84 Value value = newFrameState.stackAt(i);
85 out.print(i + ":" + Util.valueString(value));
86 if (value == null) {
87 i++;
88 } else {
89 i += value.kind.sizeInSlots();
90 if (value instanceof Phi) {
91 Phi phi = (Phi) value;
92 if (phi.operand() != null) {
93 out.print(" ");
94 out.print(phi.operand().toString());
95 }
96 }
97 }
98 }
99 out.print(']');
100 }
101 if (newFrameState.locksSize() != 0) {
102 // print out the lines on the line below this
103 // one at the same indentation level.
104 out.println();
105 out.fillTo(startPosition, ' ');
106 out.print("locks [");
107 for (int i = 0; i < newFrameState.locksSize(); i++) {
108 Value value = newFrameState.lockAt(i);
109 if (i > 0) {
110 out.print(", ");
111 }
112 out.print(i + ":");
113 if (value == null) {
114 // synchronized methods push null on the lock stack
115 out.print("this");
116 } else {
117 out.print(Util.valueString(value));
118 }
119 }
120 out.print("]");
121 }
122 }
123 }