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1 /* |
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2 * Copyright (c) 2013, 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 |
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24 /* |
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25 * @test |
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26 * @bug 8011738 |
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27 * @author sogoel |
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28 * @summary Code translation test for Lambda expressions, method references |
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29 * @run main ByteCodeTest |
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30 */ |
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31 |
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32 import com.sun.tools.classfile.Attribute; |
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33 import com.sun.tools.classfile.BootstrapMethods_attribute; |
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34 import com.sun.tools.classfile.ClassFile; |
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35 import com.sun.tools.classfile.ConstantPool; |
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36 import com.sun.tools.classfile.ConstantPoolException; |
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37 import com.sun.tools.classfile.ConstantPool.*; |
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38 |
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39 import java.io.BufferedWriter; |
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40 import java.io.File; |
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41 import java.io.FileWriter; |
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42 import java.io.IOException; |
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43 import java.io.PrintWriter; |
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44 import java.util.ArrayList; |
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45 import java.util.Collections; |
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46 import java.util.HashMap; |
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47 import java.util.HashSet; |
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48 import java.util.List; |
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49 import java.util.Map; |
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50 |
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51 public class ByteCodeTest { |
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52 |
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53 static boolean IS_DEBUG = false; |
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54 public static void main(String[] args) { |
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55 File classFile = null; |
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56 int err = 0; |
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57 boolean verifyResult = false; |
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58 for(TestCases tc : TestCases.values()) { |
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59 classFile = getCompiledFile(tc.name(), tc.srcCode); |
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60 if(classFile == null) { // either testFile or classFile was not created |
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61 err++; |
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62 } else { |
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63 verifyResult = verifyClassFileAttributes(classFile, tc); |
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64 if(!verifyResult) |
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65 System.out.println("Bootstrap class file attributes did not match for " + tc.name()); |
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66 } |
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67 } |
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68 if(err > 0) |
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69 throw new RuntimeException("Found " + err + " found"); |
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70 else |
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71 System.out.println("Test passed"); |
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72 } |
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73 |
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74 private static boolean verifyClassFileAttributes(File classFile, TestCases tc) { |
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75 ClassFile c = null; |
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76 try { |
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77 c = ClassFile.read(classFile); |
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78 } catch (IOException | ConstantPoolException e) { |
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79 e.printStackTrace(); |
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80 } |
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81 ConstantPoolVisitor cpv = new ConstantPoolVisitor(c, c.constant_pool.size()); |
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82 Map<Integer, String> hm = cpv.getBSMMap(); |
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83 |
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84 List<String> expectedValList = tc.getExpectedArgValues(); |
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85 expectedValList.add(tc.bsmSpecifier.specifier); |
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86 if(!(hm.values().containsAll(new HashSet<String>(expectedValList)))) { |
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87 System.out.println("Values do not match"); |
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88 return false; |
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89 } |
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90 return true; |
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91 } |
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92 |
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93 private static File getCompiledFile(String fname, String srcString) { |
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94 File testFile = null, classFile = null; |
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95 boolean isTestFileCreated = true; |
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96 |
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97 try { |
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98 testFile = writeTestFile(fname+".java", srcString); |
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99 } catch(IOException ioe) { |
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100 isTestFileCreated = false; |
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101 System.err.println("fail to write" + ioe); |
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102 } |
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103 |
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104 if(isTestFileCreated) { |
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105 try { |
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106 classFile = compile(testFile); |
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107 } catch (Error err) { |
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108 System.err.println("fail compile. Source:\n" + srcString); |
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109 throw err; |
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110 } |
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111 } |
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112 return classFile; |
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113 } |
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114 |
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115 static File writeTestFile(String fname, String source) throws IOException { |
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116 File f = new File(fname); |
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117 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
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118 out.println(source); |
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119 out.close(); |
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120 return f; |
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121 } |
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122 |
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123 static File compile(File f) { |
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124 int rc = com.sun.tools.javac.Main.compile(new String[] { |
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125 "-source", "1.8", "-g", f.getPath() }); |
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126 if (rc != 0) |
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127 throw new Error("compilation failed. rc=" + rc); |
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128 String path = f.getPath(); |
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129 return new File(path.substring(0, path.length() - 5) + ".class"); |
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130 } |
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131 |
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132 static void debugln(String str) { |
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133 if(IS_DEBUG) |
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134 System.out.println(str); |
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135 } |
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136 |
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137 enum BSMSpecifier { |
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138 SPECIFIER1("REF_invokeStatic java/lang/invoke/LambdaMetafactory metaFactory " + |
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139 "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;" + |
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140 "Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)" + |
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141 "Ljava/lang/invoke/CallSite;"), |
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142 SPECIFIER2("REF_invokeStatic java/lang/invoke/LambdaMetafactory altMetaFactory " + |
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143 "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;" + |
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144 "[Ljava/lang/Object;)Ljava/lang/invoke/CallSite;"); |
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145 |
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146 String specifier; |
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147 private BSMSpecifier(String specifier) { |
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148 this.specifier = specifier; |
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149 } |
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150 } |
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151 |
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152 enum TestCases { |
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153 // Single line lambda expression |
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154 TC1("class TC1 {\n" + |
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155 " public static void main(String[] args) {\n" + |
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156 " Object o = (Runnable) () -> { System.out.println(\"hi\");};\n" + |
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157 " }\n"+ |
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158 "}", BSMSpecifier.SPECIFIER1) { |
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159 |
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160 @Override |
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161 List<String> getExpectedArgValues() { |
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162 List<String> valList = new ArrayList<>(); |
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163 valList.add("REF_invokeInterface java/lang/Runnable run ()V"); |
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164 valList.add("REF_invokeStatic TC1 lambda$0 ()V"); |
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165 valList.add("()V"); |
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166 return valList; |
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167 } |
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168 }, |
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169 |
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170 // Lambda expression in a for loop |
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171 TC2("import java.util.*;\n" + |
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172 "public class TC2 {\n" + |
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173 " void TC2_test() {\n" + |
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174 " List<String> list = new ArrayList<>();\n" + |
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175 " list.add(\"A\");\n" + |
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176 " list.add(\"B\");\n" + |
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177 " list.stream().forEach( s -> { System.out.println(s); } );\n" + |
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178 " }\n" + |
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179 " public static void main(String[] args) {\n" + |
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180 " new TC2().TC2_test();\n" + |
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181 " }\n" + |
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182 "}", BSMSpecifier.SPECIFIER1) { |
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183 |
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184 @Override |
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185 List<String> getExpectedArgValues() { |
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186 List<String> valList = new ArrayList<>(); |
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187 valList.add("REF_invokeInterface java/util/function/Consumer accept (Ljava/lang/Object;)V"); |
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188 valList.add("REF_invokeStatic TC2 lambda$0 (Ljava/lang/String;)V"); |
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189 valList.add("(Ljava/lang/String;)V"); |
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190 return valList; |
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191 } |
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192 }, |
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193 |
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194 // Lambda initializer |
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195 TC3("class TC3 {\n" + |
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196 " interface SAM {\n" + |
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197 " void m(int i);\n" + |
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198 " }\n" + |
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199 " SAM lambda_03 = (int pos) -> { };\n" + |
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200 "}", BSMSpecifier.SPECIFIER1) { |
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201 |
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202 @Override |
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203 List<String> getExpectedArgValues() { |
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204 List<String> valList = new ArrayList<>(); |
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205 valList.add("REF_invokeInterface TC3$SAM m (I)V"); |
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206 valList.add("REF_invokeStatic TC3 lambda$0 (I)V"); |
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207 valList.add("(I)V"); |
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208 return valList; |
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209 } |
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210 }, |
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211 |
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212 // Array initializer |
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213 TC4("class TC4 {\n" + |
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214 " interface Block<T> {\n" + |
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215 " void m(T t);\n" + |
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216 " }\n" + |
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217 " void test1() {\n" + |
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218 " Block<?>[] arr1 = { t -> { }, t -> { } };\n" + |
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219 " }\n" + |
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220 "}", BSMSpecifier.SPECIFIER1) { |
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221 |
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222 @Override |
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223 List<String> getExpectedArgValues() { |
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224 List<String> valList = new ArrayList<>(); |
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225 valList.add("REF_invokeInterface TC4$Block m (Ljava/lang/Object;)V"); |
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226 valList.add("REF_invokeStatic TC4 lambda$0 (Ljava/lang/Object;)V"); |
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227 valList.add("(Ljava/lang/Object;)V"); |
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228 valList.add("REF_invokeStatic TC4 lambda$1 (Ljava/lang/Object;)V"); |
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229 return valList; |
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230 } |
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231 }, |
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232 |
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233 //Lambda expression as a method arg |
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234 TC5("class TC5 {\n"+ |
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235 " interface MapFun<T,R> { R m( T n); }\n" + |
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236 " void meth( MapFun<String,Integer> mf ) {\n" + |
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237 " assert( mf.m(\"four\") == 4);\n" + |
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238 " }\n"+ |
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239 " void test(Integer i) {\n" + |
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240 " meth(s -> { Integer len = s.length(); return len; } );\n" + |
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241 " }\n"+ |
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242 "}", BSMSpecifier.SPECIFIER1) { |
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243 |
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244 @Override |
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245 List<String> getExpectedArgValues() { |
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246 List<String> valList = new ArrayList<>(); |
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247 valList.add("REF_invokeInterface TC5$MapFun m (Ljava/lang/Object;)Ljava/lang/Object;"); |
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248 valList.add("REF_invokeStatic TC5 lambda$0 (Ljava/lang/String;)Ljava/lang/Integer;"); |
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249 valList.add("(Ljava/lang/String;)Ljava/lang/Integer;"); |
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250 return valList; |
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251 } |
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252 }, |
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253 |
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254 //Inner class of Lambda expression |
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255 TC6("class TC6 {\n" + |
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256 " interface MapFun<T, R> { R m( T n); }\n" + |
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257 " MapFun<Class<?>,String> cs;\n" + |
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258 " void test() {\n" + |
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259 " cs = c -> {\n" + |
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260 " class innerClass {\n" + |
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261 " Class<?> icc;\n" + |
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262 " innerClass(Class<?> _c) { icc = _c; }\n" + |
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263 " String getString() { return icc.toString(); }\n" + |
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264 " }\n" + |
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265 " return new innerClass(c).getString();\n"+ |
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266 " };\n" + |
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267 " }\n" + |
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268 "}\n", BSMSpecifier.SPECIFIER1) { |
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269 |
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270 @Override |
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271 List<String> getExpectedArgValues() { |
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272 List<String> valList = new ArrayList<>(); |
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273 valList.add("REF_invokeInterface TC6$MapFun m (Ljava/lang/Object;)Ljava/lang/Object;"); |
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274 valList.add("REF_invokeSpecial TC6 lambda$0 (Ljava/lang/Class;)Ljava/lang/String;"); |
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275 valList.add("(Ljava/lang/Class;)Ljava/lang/String;"); |
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276 return valList; |
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277 } |
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278 }, |
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279 |
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280 // Method reference |
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281 TC7("class TC7 {\n" + |
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282 " static interface SAM {\n" + |
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283 " void m(Integer i);\n" + |
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284 " }\n" + |
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285 " void m(Integer i) {}\n" + |
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286 " SAM s = this::m;\n" + |
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287 "}\n", BSMSpecifier.SPECIFIER1) { |
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288 |
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289 @Override |
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290 List<String> getExpectedArgValues() { |
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291 List<String> valList = new ArrayList<>(); |
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292 valList.add("REF_invokeInterface TC7$SAM m (Ljava/lang/Integer;)V"); |
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293 valList.add("REF_invokeVirtual TC7 m (Ljava/lang/Integer;)V"); |
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294 valList.add("(Ljava/lang/Integer;)V"); |
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295 return valList; |
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296 } |
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297 }, |
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298 |
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299 // Constructor reference |
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300 TC8("public class TC8 {\n" + |
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301 " static interface A {Fee<String> m();}\n" + |
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302 " static class Fee<T> {\n" + |
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303 " private T t;\n" + |
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304 " public Fee() {}\n" + |
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305 " }\n" + |
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306 " public static void main(String[] args) {\n" + |
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307 " A a = Fee<String>::new; \n" + |
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308 " }\n" + |
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309 "}\n", BSMSpecifier.SPECIFIER1) { |
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310 |
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311 @Override |
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312 List<String> getExpectedArgValues() { |
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313 List<String> valList = new ArrayList<>(); |
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314 valList.add("REF_invokeInterface TC8$A m ()LTC8$Fee;"); |
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315 valList.add("REF_newInvokeSpecial TC8$Fee <init> ()V"); |
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316 valList.add("()LTC8$Fee;"); |
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317 return valList; |
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318 } |
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319 }, |
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320 |
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321 // Recursive lambda expression |
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322 TC9("class TC9 {\n" + |
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323 " interface Recursive<T, R> { T apply(R n); };\n" + |
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324 " Recursive<Integer,Integer> factorial;\n" + |
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325 " void test(Integer j) {\n" + |
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326 " factorial = i -> { return i == 0 ? 1 : i * factorial.apply( i - 1 ); };\n" + |
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327 " }\n" + |
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328 "}\n", BSMSpecifier.SPECIFIER1) { |
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329 |
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330 @Override |
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331 List<String> getExpectedArgValues() { |
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332 List<String> valList = new ArrayList<>(); |
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333 valList.add("REF_invokeInterface TC9$Recursive apply (Ljava/lang/Object;)Ljava/lang/Object;"); |
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334 valList.add("REF_invokeSpecial TC9 lambda$0 (Ljava/lang/Integer;)Ljava/lang/Integer;"); |
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335 valList.add("(Ljava/lang/Integer;)Ljava/lang/Integer;"); |
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336 return valList; |
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337 } |
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338 }, |
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339 |
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340 //Serializable Lambda |
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341 TC10("import java.io.Serializable;\n" + |
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342 "class TC10 {\n" + |
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343 " interface Foo { int m(); }\n" + |
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344 " public static void main(String[] args) {\n" + |
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345 " Foo f1 = (Foo & Serializable)() -> 3;\n" + |
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346 " }\n" + |
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347 "}\n", BSMSpecifier.SPECIFIER2) { |
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348 |
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349 @Override |
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350 List<String> getExpectedArgValues() { |
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351 List<String> valList = new ArrayList<>(); |
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352 valList.add("REF_invokeStatic java/lang/invoke/LambdaMetafactory altMetaFactory (Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;[Ljava/lang/Object;)Ljava/lang/invoke/CallSite;"); |
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353 valList.add("REF_invokeInterface TC10$Foo m ()I"); |
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354 valList.add("REF_invokeStatic TC10 lambda$main$3231c38a$0 ()I"); |
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355 valList.add("()I"); |
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356 valList.add("1"); |
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357 return valList; |
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358 } |
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359 }; |
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360 |
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361 String srcCode; |
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362 BSMSpecifier bsmSpecifier; |
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363 |
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364 TestCases(String src, BSMSpecifier bsmSpecifier) { |
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365 this.srcCode = src; |
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366 // By default, all test cases will have bootstrap method specifier as Lambda.MetaFactory |
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367 // For serializable lambda test cases, bootstrap method specifier changed to altMetaFactory |
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368 this.bsmSpecifier = bsmSpecifier; |
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369 } |
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370 |
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371 List<String> getExpectedArgValues() { |
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372 return null; |
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373 } |
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374 |
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375 void setSrcCode(String src) { |
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376 srcCode = src; |
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377 } |
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378 } |
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379 |
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380 static class ConstantPoolVisitor implements ConstantPool.Visitor<String, Integer> { |
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381 final List<String> slist; |
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382 final ClassFile cf; |
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383 final ConstantPool cfpool; |
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384 final Map<Integer, String> bsmMap; |
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385 |
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386 |
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387 public ConstantPoolVisitor(ClassFile cf, int size) { |
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388 slist = new ArrayList<>(size); |
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389 for (int i = 0 ; i < size; i++) { |
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390 slist.add(null); |
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391 } |
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392 this.cf = cf; |
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393 this.cfpool = cf.constant_pool; |
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394 bsmMap = readBSM(); |
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395 } |
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396 |
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397 public Map<Integer, String> getBSMMap() { |
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398 return Collections.unmodifiableMap(bsmMap); |
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399 } |
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400 |
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401 public String visit(CPInfo c, int index) { |
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402 return c.accept(this, index); |
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403 } |
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404 |
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405 private Map<Integer, String> readBSM() { |
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406 BootstrapMethods_attribute bsmAttr = |
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407 (BootstrapMethods_attribute) cf.getAttribute(Attribute.BootstrapMethods); |
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408 if (bsmAttr != null) { |
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409 Map<Integer, String> out = |
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410 new HashMap<>(bsmAttr.bootstrap_method_specifiers.length); |
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411 for (BootstrapMethods_attribute.BootstrapMethodSpecifier bsms : |
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412 bsmAttr.bootstrap_method_specifiers) { |
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413 int index = bsms.bootstrap_method_ref; |
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414 try { |
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415 String value = slist.get(index); |
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416 if (value == null) { |
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417 value = visit(cfpool.get(index), index); |
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418 debugln("[SG]: index " + index); |
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419 debugln("[SG]: value " + value); |
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420 slist.set(index, value); |
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421 out.put(index, value); |
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422 } |
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423 for (int idx : bsms.bootstrap_arguments) { |
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424 value = slist.get(idx); |
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425 if (value == null) { |
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426 value = visit(cfpool.get(idx), idx); |
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427 debugln("[SG]: idx " + idx); |
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428 debugln("[SG]: value " + value); |
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429 slist.set(idx, value); |
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430 out.put(idx, value); |
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431 } |
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432 } |
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433 } catch (InvalidIndex ex) { |
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434 ex.printStackTrace(); |
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435 } |
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436 } |
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437 return out; |
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438 } |
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439 return new HashMap<>(0); |
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440 } |
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441 |
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442 @Override |
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443 public String visitClass(CONSTANT_Class_info c, Integer p) { |
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444 |
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445 String value = slist.get(p); |
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446 if (value == null) { |
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447 try { |
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448 value = visit(cfpool.get(c.name_index), c.name_index); |
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449 slist.set(p, value); |
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450 } catch (ConstantPoolException ex) { |
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451 ex.printStackTrace(); |
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452 } |
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453 } |
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454 return value; |
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455 } |
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456 |
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457 @Override |
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458 public String visitDouble(CONSTANT_Double_info c, Integer p) { |
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459 |
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460 String value = slist.get(p); |
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461 if (value == null) { |
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462 value = Double.toString(c.value); |
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463 slist.set(p, value); |
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464 } |
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465 return value; |
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466 } |
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467 |
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468 @Override |
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469 public String visitFieldref(CONSTANT_Fieldref_info c, Integer p) { |
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470 |
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471 String value = slist.get(p); |
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472 if (value == null) { |
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473 try { |
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474 value = visit(cfpool.get(c.class_index), c.class_index); |
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475 value = value.concat(" " + visit(cfpool.get(c.name_and_type_index), |
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476 c.name_and_type_index)); |
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477 slist.set(p, value); |
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478 } catch (ConstantPoolException ex) { |
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479 ex.printStackTrace(); |
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480 } |
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481 } |
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482 return value; |
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483 } |
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484 |
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485 @Override |
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486 public String visitFloat(CONSTANT_Float_info c, Integer p) { |
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487 |
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488 String value = slist.get(p); |
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489 if (value == null) { |
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490 value = Float.toString(c.value); |
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491 slist.set(p, value); |
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492 } |
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493 return value; |
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494 } |
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495 |
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496 @Override |
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497 public String visitInteger(CONSTANT_Integer_info cnstnt, Integer p) { |
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498 |
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499 String value = slist.get(p); |
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500 if (value == null) { |
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501 value = Integer.toString(cnstnt.value); |
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502 slist.set(p, value); |
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503 } |
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504 return value; |
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505 } |
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506 |
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507 @Override |
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508 public String visitInterfaceMethodref(CONSTANT_InterfaceMethodref_info c, |
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509 Integer p) { |
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510 |
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511 String value = slist.get(p); |
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512 if (value == null) { |
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513 try { |
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514 value = visit(cfpool.get(c.class_index), c.class_index); |
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515 value = value.concat(" " + |
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516 visit(cfpool.get(c.name_and_type_index), |
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517 c.name_and_type_index)); |
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518 slist.set(p, value); |
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519 } catch (ConstantPoolException ex) { |
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520 ex.printStackTrace(); |
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521 } |
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522 } |
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523 return value; |
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524 } |
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525 |
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526 @Override |
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527 public String visitInvokeDynamic(CONSTANT_InvokeDynamic_info c, Integer p) { |
|
528 |
|
529 String value = slist.get(p); |
|
530 if (value == null) { |
|
531 try { |
|
532 value = bsmMap.get(c.bootstrap_method_attr_index) + " " |
|
533 + visit(cfpool.get(c.name_and_type_index), c.name_and_type_index); |
|
534 slist.set(p, value); |
|
535 } catch (ConstantPoolException ex) { |
|
536 ex.printStackTrace(); |
|
537 } |
|
538 } |
|
539 return value; |
|
540 } |
|
541 |
|
542 @Override |
|
543 public String visitLong(CONSTANT_Long_info c, Integer p) { |
|
544 |
|
545 String value = slist.get(p); |
|
546 if (value == null) { |
|
547 value = Long.toString(c.value); |
|
548 slist.set(p, value); |
|
549 } |
|
550 return value; |
|
551 } |
|
552 |
|
553 @Override |
|
554 public String visitNameAndType(CONSTANT_NameAndType_info c, Integer p) { |
|
555 |
|
556 String value = slist.get(p); |
|
557 if (value == null) { |
|
558 try { |
|
559 value = visit(cfpool.get(c.name_index), c.name_index); |
|
560 value = value.concat(" " + |
|
561 visit(cfpool.get(c.type_index), c.type_index)); |
|
562 slist.set(p, value); |
|
563 } catch (InvalidIndex ex) { |
|
564 ex.printStackTrace(); |
|
565 } |
|
566 } |
|
567 return value; |
|
568 } |
|
569 |
|
570 @Override |
|
571 public String visitMethodref(CONSTANT_Methodref_info c, Integer p) { |
|
572 |
|
573 String value = slist.get(p); |
|
574 if (value == null) { |
|
575 try { |
|
576 value = visit(cfpool.get(c.class_index), c.class_index); |
|
577 value = value.concat(" " + |
|
578 visit(cfpool.get(c.name_and_type_index), |
|
579 c.name_and_type_index)); |
|
580 slist.set(p, value); |
|
581 } catch (ConstantPoolException ex) { |
|
582 ex.printStackTrace(); |
|
583 } |
|
584 } |
|
585 return value; |
|
586 } |
|
587 |
|
588 @Override |
|
589 public String visitMethodHandle(CONSTANT_MethodHandle_info c, Integer p) { |
|
590 |
|
591 String value = slist.get(p); |
|
592 if (value == null) { |
|
593 try { |
|
594 value = c.reference_kind.name(); |
|
595 value = value.concat(" " |
|
596 + visit(cfpool.get(c.reference_index), c.reference_index)); |
|
597 slist.set(p, value); |
|
598 } catch (ConstantPoolException ex) { |
|
599 ex.printStackTrace(); |
|
600 } |
|
601 } |
|
602 return value; |
|
603 } |
|
604 |
|
605 @Override |
|
606 public String visitMethodType(CONSTANT_MethodType_info c, Integer p) { |
|
607 |
|
608 String value = slist.get(p); |
|
609 if (value == null) { |
|
610 try { |
|
611 value = visit(cfpool.get(c.descriptor_index), c.descriptor_index); |
|
612 slist.set(p, value); |
|
613 } catch (ConstantPoolException ex) { |
|
614 ex.printStackTrace(); |
|
615 } |
|
616 } |
|
617 return value; |
|
618 } |
|
619 |
|
620 @Override |
|
621 public String visitString(CONSTANT_String_info c, Integer p) { |
|
622 |
|
623 try { |
|
624 String value = slist.get(p); |
|
625 if (value == null) { |
|
626 value = c.getString(); |
|
627 slist.set(p, value); |
|
628 } |
|
629 return value; |
|
630 } catch (ConstantPoolException ex) { |
|
631 throw new RuntimeException("Fatal error", ex); |
|
632 } |
|
633 } |
|
634 |
|
635 @Override |
|
636 public String visitUtf8(CONSTANT_Utf8_info cnstnt, Integer p) { |
|
637 |
|
638 String value = slist.get(p); |
|
639 if (value == null) { |
|
640 value = cnstnt.value; |
|
641 slist.set(p, value); |
|
642 } |
|
643 return value; |
|
644 } |
|
645 } |
|
646 } |
|
647 |