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annotate graal/com.oracle.truffle.codegen.processor/src/com/oracle/truffle/codegen/processor/typesystem/TypeCheckParser.java @ 8252:0905d796944a

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Refactored codegen error model to make error redirection a lot easier.
author Christian Humer <christian.humer@gmail.com>
date Wed, 13 Mar 2013 19:58:28 +0100
parents 703c09f8640c
children a80bf36c6a1e
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1 /*
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2 * Copyright (c) 2012, 2012, 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 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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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.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.codegen.processor.typesystem;
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25 import java.lang.annotation.*;
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26 import java.util.*;
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28 import javax.lang.model.element.*;
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29 import javax.lang.model.type.*;
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31 import com.oracle.truffle.api.codegen.*;
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32 import com.oracle.truffle.codegen.processor.*;
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33 import com.oracle.truffle.codegen.processor.template.*;
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34 import com.oracle.truffle.codegen.processor.template.ParameterSpec.Cardinality;
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36 class TypeCheckParser extends TypeSystemMethodParser<TypeCheckData> {
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38 public TypeCheckParser(ProcessorContext context, TypeSystemData typeSystem) {
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39 super(context, typeSystem);
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40 }
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41
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42 @Override
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43 public MethodSpec createSpecification(ExecutableElement method, AnnotationMirror mirror) {
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44 TypeData targetType = findTypeByMethodName(method.getSimpleName().toString(), "is");
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45 if (targetType == null) {
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46 return null;
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47 }
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48 List<ParameterSpec> specs = new ArrayList<>();
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49 specs.add(new ParameterSpec("value", getTypeSystem(), false, Cardinality.ONE));
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50 ParameterSpec returnTypeSpec = new ParameterSpec("returnType", getContext().getType(boolean.class), false);
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51 MethodSpec spec = new MethodSpec(Collections.<TypeMirror> emptyList(), returnTypeSpec, specs);
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52 return spec;
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53 }
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55 @Override
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56 public TypeCheckData create(TemplateMethod method) {
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57 TypeData checkedType = findTypeByMethodName(method, "is");
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58 assert checkedType != null;
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59 ActualParameter parameter = method.findParameter("valueValue");
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60 assert parameter != null;
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61 return new TypeCheckData(method, checkedType, parameter.getActualTypeData(getTypeSystem()));
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62 }
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63
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64 @Override
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65 public Class<? extends Annotation> getAnnotationType() {
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66 return TypeCheck.class;
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67 }
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68 }