Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/FrameUtil.java @ 9258:07f8d136a05e
Truffle API changes for the Frame API. Introduction of Assumptions class.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 23 Apr 2013 15:34:06 +0200 |
parents | |
children | cd1a1d92b3e3 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.api/src/com/oracle/truffle/api/frame/FrameUtil.java Tue Apr 23 15:34:06 2013 +0200 @@ -0,0 +1,140 @@ +/* + * Copyright (c) 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. + * + * 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 com.oracle.truffle.api.frame; + +public final class FrameUtil { + + /** + * Write access to a local variable of type {@link Object}. + * + * Sets the frame slot type to {@link Object} if it isn't already. + * + * @param slot the slot of the local variable + * @param value the new value of the local variable + */ + public static void setObjectSafe(Frame frame, FrameSlot slot, Object value) { + if (slot.getType() != Object.class) { + slot.setType(Object.class); + } + try { + frame.setObject(slot, value); + } catch (FrameSlotTypeException e) { + throw new IllegalStateException(); + } + } + + /** + * Write access to a local variable of type {@code boolean}. + * + * Sets the frame slot type to {@code boolean} if it isn't already. + * + * @param slot the slot of the local variable + * @param value the new value of the local variable + */ + public static void setBooleanSafe(Frame frame, FrameSlot slot, boolean value) { + if (slot.getType() != boolean.class) { + slot.setType(boolean.class); + } + try { + frame.setBoolean(slot, value); + } catch (FrameSlotTypeException e) { + throw new IllegalStateException(); + } + } + + /** + * Write access to a local variable of type {@code int}. + * + * Sets the frame slot type to {@code int} if it isn't already. + * + * @param slot the slot of the local variable + * @param value the new value of the local variable + */ + public static void setIntSafe(Frame frame, FrameSlot slot, int value) { + if (slot.getType() != int.class) { + slot.setType(int.class); + } + try { + frame.setInt(slot, value); + } catch (FrameSlotTypeException e) { + throw new IllegalStateException(); + } + } + + /** + * Write access to a local variable of type {@code long}. + * + * Sets the frame slot type to {@code long} if it isn't already. + * + * @param slot the slot of the local variable + * @param value the new value of the local variable + */ + public static void setLongSafe(Frame frame, FrameSlot slot, long value) { + if (slot.getType() != long.class) { + slot.setType(long.class); + } + try { + frame.setLong(slot, value); + } catch (FrameSlotTypeException e) { + throw new IllegalStateException(); + } + } + + /** + * Write access to a local variable of type {@code float}. + * + * Sets the frame slot type to {@code float} if it isn't already. + * + * @param slot the slot of the local variable + * @param value the new value of the local variable + */ + public static void setFloatSafe(Frame frame, FrameSlot slot, float value) { + if (slot.getType() != float.class) { + slot.setType(float.class); + } + try { + frame.setFloat(slot, value); + } catch (FrameSlotTypeException e) { + throw new IllegalStateException(); + } + } + + /** + * Write access to a local variable of type {@code double}. + * + * Sets the frame slot type to {@code double} if it isn't already. + * + * @param slot the slot of the local variable + * @param value the new value of the local variable + */ + public static void setDoubleSafe(Frame frame, FrameSlot slot, double value) { + if (slot.getType() != double.class) { + slot.setType(double.class); + } + try { + frame.setDouble(slot, value); + } catch (FrameSlotTypeException e) { + throw new IllegalStateException(); + } + } +}