1/*
2 * Copyright (c) 2015, 2015, 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 */
23package org.graalvm.compiler.lir.stackslotalloc;
24
25import org.graalvm.compiler.lir.VirtualStackSlot;
26import org.graalvm.compiler.lir.debug.IntervalDumper;
27
28import jdk.vm.ci.meta.Value;
29
30class StackIntervalDumper implements IntervalDumper {
31    private final StackInterval[] intervals;
32
33    StackIntervalDumper(StackInterval[] intervals) {
34        this.intervals = intervals;
35    }
36
37    @Override
38    public void visitIntervals(IntervalVisitor visitor) {
39        for (StackInterval interval : intervals) {
40            if (interval != null) {
41                printInterval(interval, visitor);
42            }
43        }
44    }
45
46    private static void printInterval(StackInterval interval, IntervalVisitor visitor) {
47        Value hint = interval.locationHint() != null ? interval.locationHint().getOperand() : null;
48        VirtualStackSlot operand = interval.getOperand();
49        String type = operand.getValueKind().getPlatformKind().toString();
50        visitor.visitIntervalStart(operand, operand, interval.location(), hint, type);
51
52        // print ranges
53        visitor.visitRange(interval.from(), interval.to());
54
55        // no use positions
56
57        visitor.visitIntervalEnd("NOT_SUPPORTED");
58    }
59
60}
61