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annotate graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLParenExpressionNode.java @ 16675:0fc43b066eee

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SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
author Michael Van De Vanter <michael.van.de.vanter@oracle.com>
date Fri, 01 Aug 2014 16:30:22 -0700
parents
children c0455554d45b
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16675
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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1 /*
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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5 * This code is free software; you can redistribute it and/or modify it
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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6 * under the terms of the GNU General Public License version 2 only, as
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
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7 * published by the Free Software Foundation.
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8 *
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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12 * version 2 for more details (a copy is included in the LICENSE file that
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
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13 * accompanied this code).
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
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14 *
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15 * You should have received a copy of the GNU General Public License version
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
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20 * or visit www.oracle.com if you need additional information or have any
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
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21 * questions.
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22 */
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23 package com.oracle.truffle.sl.nodes.expression;
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24
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25 import java.math.*;
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26
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27 import com.oracle.truffle.api.frame.*;
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28 import com.oracle.truffle.api.nodes.*;
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29 import com.oracle.truffle.api.source.*;
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30 import com.oracle.truffle.sl.nodes.*;
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31 import com.oracle.truffle.sl.runtime.*;
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32
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33 /**
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34 * A {@link SLExpressionNode} that represents a parenthesized expression; it simply returns the
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35 * value of the enclosed (child) expression. It is represented separately in the AST for the purpose
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36 * of correct source attribution; this preserves the lexical relationship between the two
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
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37 * parentheses and allows a tool to describe the expression as distinct from its contents.
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38 */
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39 @NodeInfo(description = "A parenthesized expression")
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40 public class SLParenExpressionNode extends SLExpressionNode {
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41
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42 private final SLExpressionNode expression;
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43
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44 public SLParenExpressionNode(SourceSection src, SLExpressionNode expression) {
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45 super(src);
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46 this.expression = insert(expression);
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47 }
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48
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49 @Override
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50 public Object executeGeneric(VirtualFrame frame) {
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51 return expression.executeGeneric(frame);
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52 }
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53
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54 @Override
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55 public long executeLong(VirtualFrame frame) throws UnexpectedResultException {
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56 return expression.executeLong(frame);
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57 }
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58
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59 @Override
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60 public BigInteger executeBigInteger(VirtualFrame frame) throws UnexpectedResultException {
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61 return expression.executeBigInteger(frame);
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62 }
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63
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64 @Override
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65 public boolean executeBoolean(VirtualFrame frame) throws UnexpectedResultException {
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66 return expression.executeBoolean(frame);
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67 }
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68
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69 @Override
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70 public String executeString(VirtualFrame frame) throws UnexpectedResultException {
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71 return expression.executeString(frame);
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72 }
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73
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74 @Override
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
75 public SLFunction executeFunction(VirtualFrame frame) throws UnexpectedResultException {
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
76 return expression.executeFunction(frame);
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
77 }
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
78
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
79 @Override
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
80 public SLNull executeNull(VirtualFrame frame) throws UnexpectedResultException {
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
81 return expression.executeNull(frame);
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
82 }
0fc43b066eee SL/SourceAttribution: correct some omissions, and in particular add new node SLParenExpressionNode to represent a parenthesized expression; this is semantically neutral of course, but needed to account correctly for the text of such an expression (as opposed to its contents).
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
parents:
diff changeset
83 }