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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/parser/MethodSpecParser.java @ 16851:2db61eddcb97

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Truffle-DSL: argument syntax support for guards
author Christian Humer <christian.humer@gmail.com>
date Mon, 18 Aug 2014 18:41:16 +0200
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children 08aa0372dad4
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16851
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1 /*
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2 * Copyright (c) 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.dsl.processor.parser;
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24
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25 import static com.oracle.truffle.dsl.processor.java.ElementUtils.*;
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26
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27 import java.util.*;
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28
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29 import javax.lang.model.element.*;
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30 import javax.lang.model.type.*;
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31
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32 import com.oracle.truffle.dsl.processor.java.*;
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33 import com.oracle.truffle.dsl.processor.model.*;
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34
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35 public final class MethodSpecParser {
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36
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37 private boolean emitErrors = true;
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38 private boolean useVarArgs = false;
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39
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40 private final Template template;
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41
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42 public MethodSpecParser(Template template) {
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43 this.template = template;
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44 }
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45
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46 public Template getTemplate() {
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47 return template;
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48 }
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49
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50 public TypeSystemData getTypeSystem() {
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51 return template.getTypeSystem();
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52 }
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53
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54 public boolean isEmitErrors() {
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55 return emitErrors;
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56 }
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57
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58 public boolean isUseVarArgs() {
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59 return useVarArgs;
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60 }
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61
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62 public void setEmitErrors(boolean emitErrors) {
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63 this.emitErrors = emitErrors;
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64 }
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65
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66 public void setUseVarArgs(boolean useVarArgs) {
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67 this.useVarArgs = useVarArgs;
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68 }
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69
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70 public TemplateMethod parse(MethodSpec methodSpecification, ExecutableElement method, AnnotationMirror annotation, int naturalOrder) {
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71 if (methodSpecification == null) {
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72 return null;
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73 }
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74
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75 methodSpecification.applyTypeDefinitions("types");
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76
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77 String id = method.getSimpleName().toString();
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78 TypeMirror returnType = method.getReturnType();
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79 List<TypeMirror> parameterTypes = new ArrayList<>();
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80 for (VariableElement var : method.getParameters()) {
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81 parameterTypes.add(var.asType());
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82 }
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83
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84 return parseImpl(methodSpecification, naturalOrder, id, method, annotation, returnType, parameterTypes);
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85 }
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86
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87 public TemplateMethod parseImpl(MethodSpec methodSpecification, int naturalOrder, String id, ExecutableElement method, AnnotationMirror annotation, TypeMirror returnType,
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88 List<TypeMirror> parameterTypes) {
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89 ParameterSpec returnTypeSpec = methodSpecification.getReturnType();
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90 Parameter returnTypeMirror = matchParameter(returnTypeSpec, returnType, -1, -1);
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91 if (returnTypeMirror == null) {
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92 if (emitErrors) {
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93 TemplateMethod invalidMethod = new TemplateMethod(id, naturalOrder, template, methodSpecification, method, annotation, returnTypeMirror, Collections.<Parameter> emptyList());
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94 String expectedReturnType = returnTypeSpec.toSignatureString(true);
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95 String actualReturnType = ElementUtils.getSimpleName(returnType);
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96
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97 String message = String.format("The provided return type \"%s\" does not match expected return type \"%s\".\nExpected signature: \n %s", actualReturnType, expectedReturnType,
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98 methodSpecification.toSignatureString(method.getSimpleName().toString()));
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99 invalidMethod.addError(message);
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100 return invalidMethod;
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101 } else {
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102 return null;
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103 }
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104 }
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105
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106 List<Parameter> parameters = parseParameters(methodSpecification, parameterTypes, isUseVarArgs() && method != null ? method.isVarArgs() : false);
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107 if (parameters == null) {
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108 if (isEmitErrors() && method != null) {
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109 TemplateMethod invalidMethod = new TemplateMethod(id, naturalOrder, template, methodSpecification, method, annotation, returnTypeMirror, Collections.<Parameter> emptyList());
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110 String message = String.format("Method signature %s does not match to the expected signature: \n%s", createActualSignature(method),
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111 methodSpecification.toSignatureString(method.getSimpleName().toString()));
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112 invalidMethod.addError(message);
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113 return invalidMethod;
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114 } else {
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115 return null;
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116 }
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117 }
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118
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119 return new TemplateMethod(id, naturalOrder, template, methodSpecification, method, annotation, returnTypeMirror, parameters);
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120 }
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121
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122 private static String createActualSignature(ExecutableElement method) {
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123 StringBuilder b = new StringBuilder("(");
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124 String sep = "";
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125 if (method != null) {
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126 for (VariableElement var : method.getParameters()) {
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127 b.append(sep);
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128 b.append(ElementUtils.getSimpleName(var.asType()));
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129 sep = ", ";
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130 }
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131 }
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132 b.append(")");
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133 return b.toString();
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134 }
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135
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136 /*
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137 * Parameter parsing tries to parse required arguments starting from offset 0 with increasing
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138 * offset until it finds a signature end that matches the required specification. If there is no
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139 * end matching the required arguments, parsing fails. Parameters prior to the parsed required
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140 * ones are cut and used to parse the optional parameters.
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diff changeset
141 */
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diff changeset
142 private List<Parameter> parseParameters(MethodSpec spec, List<TypeMirror> parameterTypes, boolean varArgs) {
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parents:
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143 List<Parameter> parsedRequired = null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
144 int offset = 0;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
145 for (; offset <= parameterTypes.size(); offset++) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
146 List<TypeMirror> parameters = new ArrayList<>();
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
147 parameters.addAll(parameterTypes.subList(offset, parameterTypes.size()));
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
148 parsedRequired = parseParametersRequired(spec, parameters, varArgs);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
149 if (parsedRequired != null) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
150 break;
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
151 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
152 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
153
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parents:
diff changeset
154 if (parsedRequired == null) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
155 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
156 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
157
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
158 if (parsedRequired.isEmpty() && offset == 0) {
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
159 offset = parameterTypes.size();
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
160 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
161 List<TypeMirror> potentialOptionals = parameterTypes.subList(0, offset);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
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162 List<Parameter> parsedOptionals = parseParametersOptional(spec, potentialOptionals);
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
163 if (parsedOptionals == null) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
164 return null;
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
165 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
166
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
167 List<Parameter> finalParameters = new ArrayList<>();
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
168 finalParameters.addAll(parsedOptionals);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
169 finalParameters.addAll(parsedRequired);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
170 return finalParameters;
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parents:
diff changeset
171 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
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diff changeset
172
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diff changeset
173 private List<Parameter> parseParametersOptional(MethodSpec spec, List<TypeMirror> types) {
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174 List<Parameter> parsedParams = new ArrayList<>();
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
175
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parents:
diff changeset
176 int typeStartIndex = 0;
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
177 List<ParameterSpec> specifications = spec.getOptional();
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Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
178 outer: for (int specIndex = 0; specIndex < specifications.size(); specIndex++) {
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parents:
diff changeset
179 ParameterSpec specification = specifications.get(specIndex);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
180 for (int typeIndex = typeStartIndex; typeIndex < types.size(); typeIndex++) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
181 TypeMirror actualType = types.get(typeIndex);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
182 Parameter optionalParam = matchParameter(specification, actualType, -1, -1);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
183 if (optionalParam != null) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
184 parsedParams.add(optionalParam);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
185 typeStartIndex = typeIndex + 1;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
186 continue outer;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
187 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
188 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
189 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
190
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
191 if (typeStartIndex < types.size()) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
192 // not enough types found
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
193 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
194 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
195 return parsedParams;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
196 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
197
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
198 private List<Parameter> parseParametersRequired(MethodSpec spec, List<TypeMirror> types, boolean typeVarArgs) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
diff changeset
199 List<Parameter> parsedParams = new ArrayList<>();
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
200 List<ParameterSpec> specifications = spec.getRequired();
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
201 boolean specVarArgs = spec.isVariableRequiredParameters();
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
202 int typeIndex = 0;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
203 int specificationIndex = 0;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
204
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
205 ParameterSpec specification;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
206 while ((specification = nextSpecification(specifications, specificationIndex, specVarArgs)) != null) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
207 TypeMirror actualType = nextActualType(types, typeIndex, typeVarArgs);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
208 if (actualType == null) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
209 if (spec.isIgnoreAdditionalSpecifications()) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
210 break;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
211 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
212 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
213 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
214
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
215 int typeVarArgsIndex = typeVarArgs ? typeIndex - types.size() + 1 : -1;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
216 int specVarArgsIndex = specVarArgs ? specificationIndex - specifications.size() + 1 : -1;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
217
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
218 if (typeVarArgsIndex >= 0 && specVarArgsIndex >= 0) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
219 // both specifications and types have a variable number of arguments
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
220 // we would get into an endless loop if we would continue
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
221 break;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
222 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
223
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
224 Parameter resolvedParameter = matchParameter(specification, actualType, specVarArgsIndex, typeVarArgsIndex);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
225 if (resolvedParameter == null) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
226 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
227 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
228 parsedParams.add(resolvedParameter);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
229 typeIndex++;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
230 specificationIndex++;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
231 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
232
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
233 if (typeIndex < types.size()) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
234 // additional types available
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
235 if (spec.isIgnoreAdditionalParameters()) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
236 return parsedParams;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
237 } else {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
238 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
239 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
240 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
241
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
242 return parsedParams;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
243 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
244
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
245 private static ParameterSpec nextSpecification(List<ParameterSpec> specifications, int specIndex, boolean varArgs) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
246 if (varArgs && specIndex >= specifications.size() - 1 && !specifications.isEmpty()) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
247 return specifications.get(specifications.size() - 1);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
248 } else if (specIndex < specifications.size()) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
249 return specifications.get(specIndex);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
250 } else {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
251 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
252 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
253 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
254
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
255 private static TypeMirror nextActualType(List<TypeMirror> types, int typeIndex, boolean varArgs) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
256 if (varArgs && typeIndex >= types.size() - 1 && !types.isEmpty()) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
257 // unpack varargs array argument
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
258 TypeMirror actualType = types.get(types.size() - 1);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
259 if (actualType.getKind() == TypeKind.ARRAY) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
260 actualType = ((ArrayType) actualType).getComponentType();
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
261 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
262 return actualType;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
263 } else if (typeIndex < types.size()) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
264 return types.get(typeIndex);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
265 } else {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
266 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
267 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
268 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
269
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
270 private Parameter matchParameter(ParameterSpec specification, TypeMirror mirror, int specificationIndex, int varArgsIndex) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
271 TypeMirror resolvedType = mirror;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
272 if (hasError(resolvedType)) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
273 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
274 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
275
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
276 if (!specification.matches(resolvedType)) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
277 return null;
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
278 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
279
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
280 TypeData resolvedTypeData = getTypeSystem().findTypeData(resolvedType);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
281 if (resolvedTypeData != null) {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
282 return new Parameter(specification, resolvedTypeData, specificationIndex, varArgsIndex);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
283 } else {
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
diff changeset
284 return new Parameter(specification, resolvedType, specificationIndex, varArgsIndex);
2db61eddcb97 Truffle-DSL: argument syntax support for guards
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parents:
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285 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
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286 }
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
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287
2db61eddcb97 Truffle-DSL: argument syntax support for guards
Christian Humer <christian.humer@gmail.com>
parents:
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288 }