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annotate graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/ResolvedJavaMethod.java @ 5541:b4c406861c33

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More renamings to drop Ri* prefix completely. Deleted graph.BitMap class and replaced with java.util.BitSet.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 09 Jun 2012 16:52:12 +0200
parents graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/RiResolvedMethod.java@1c4af0e7517f
children 65f832e7476b
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1 /*
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2 * Copyright (c) 2009, 2011, 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.graal.api.meta;
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24
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25 import java.lang.annotation.*;
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26 import java.lang.reflect.*;
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27 import java.util.*;
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28
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29 /**
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30 * Represents resolved Java methods. Methods, like fields and types, are resolved through
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31 * {@link ConstantPool constant pools}.
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32 */
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33 public interface ResolvedJavaMethod extends JavaMethod {
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34
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35 /**
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36 * Gets the bytecode of the method, if the method {@linkplain #isResolved()} and has code.
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37 * The returned byte array does not contain breakpoints or non-Java bytecodes.
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38 * @return the bytecode of the method or {@code null} if none is available
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39 */
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40 byte[] code();
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41
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42 /**
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43 * Gets the size of the bytecode of the method, if the method {@linkplain #isResolved()} and has code.
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44 * @return the size of the bytecode in bytes, or 0 if no bytecode is available
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45 */
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46 int codeSize();
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47
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48 /**
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49 * Gets the size of the compiled machine code.
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50 * @return the size of the compiled machine code in bytes, or 0 if no compiled code exists.
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51 */
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52 int compiledCodeSize();
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53
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54 /**
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55 * Gets an estimate how complex it is to compile this method.
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56 * @return A value >= 0, where higher means more complex.
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57 */
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58 int compilationComplexity();
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59
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60 /**
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61 * Gets the symbol used to link this method if it is native, otherwise {@code null}.
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62 */
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63 String jniSymbol();
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64
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65 /**
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66 * Gets the type in which this method is declared.
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67 * @return the type in which this method is declared
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68 */
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69 ResolvedJavaType holder();
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70
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71 /**
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72 * Gets the maximum number of locals used in this method's bytecode.
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73 * @return the maximum number of locals
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74 */
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75 int maxLocals();
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76
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77 /**
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78 * Gets the maximum number of stack slots used in this method's bytecode.
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79 * @return the maximum number of stack slots
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80 */
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81 int maxStackSize();
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82
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83 /**
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84 * Checks whether this method has balanced monitor operations.
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85 * @return {@code true} if the method has balanced monitor operations
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86 */
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87 boolean hasBalancedMonitors();
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88
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89 /**
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90 * Gets the access flags for this method. Only the flags specified in the JVM specification
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91 * will be included in the returned mask. The utility methods in the {@link Modifier} class
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92 * should be used to query the returned mask for the presence/absence of individual flags.
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93 * @return the mask of JVM defined method access flags defined for this method
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94 */
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95 int accessFlags();
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96
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97 /**
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98 * Checks whether this method is a leaf method.
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99 * @return {@code true} if the method is a leaf method (that is, is final or private)
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100 */
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101 boolean isLeafMethod();
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102
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103 /**
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104 * Checks whether this method is a class initializer.
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105 * @return {@code true} if the method is a class initializer
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106 */
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107 boolean isClassInitializer();
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108
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109 /**
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110 * Checks whether this method is a constructor.
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111 * @return {@code true} if the method is a constructor
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112 */
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113 boolean isConstructor();
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114
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115 /**
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116 * Checks whether this method has been overridden. Decisions made based
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117 * on a method being overridden must be registered as dependencies.
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118 * @return {@code true} if the method has been overridden
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119 */
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120 boolean isOverridden();
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121
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122 /**
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123 * Checks whether the compiler can insert safepoint polls in this method.
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124 * @return {@code true} if the method cannot have safepoint polls inserted
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125 */
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126 boolean noSafepointPolls();
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127
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128 /**
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129 * Checks whether this method can be statically bound (that is, it is final or private or static).
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130 * @return {@code true} if this method can be statically bound
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131 */
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132 boolean canBeStaticallyBound();
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133
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134 /**
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135 * Gets the list of exception handlers for this method.
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136 * @return the list of exception handlers
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137 */
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138 ExceptionHandler[] exceptionHandlers();
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139
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140 /**
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141 * Gets a stack trace element for this method and a given bytecode index.
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142 */
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143 StackTraceElement toStackTraceElement(int bci);
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144
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145 /**
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146 * Temporary work-around to support the @ACCESSOR Maxine annotation.
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147 * Non-Maxine VMs should just return {@code null}.
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148 */
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149 ResolvedJavaType accessor();
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150
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151 /**
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152 * Gets the intrinsic id of this method.
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153 */
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154 String intrinsic();
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155
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156 /**
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157 * Provides an estimate of how often this method has been executed.
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158 * @return The number of invocations, or -1 if this information isn't available.
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159 */
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160 int invocationCount();
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161
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162 /**
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163 * Returns an object that provides access to the method's profiling information.
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164 * @return The profiling information recorded for this method.
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165 */
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166 ProfilingInfo profilingInfo();
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167
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168 /**
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169 * Returns a map that the compiler can use to store objects that should survive the current compilation.
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170 */
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171 Map<Object, Object> compilerStorage();
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172
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173 /**
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174 * Returns a pointer to the method's constant pool.
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175 * @return the constant pool
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176 */
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177 ConstantPool getConstantPool();
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178
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179 /**
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180 * Returns this method's annotation of a specified type.
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181 *
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182 * @param annotationClass the Class object corresponding to the annotation type
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183 * @return the annotation of type {@code annotationClass} for this method if present, else null
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184 */
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185 <T extends Annotation> T getAnnotation(Class<T> annotationClass);
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186
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187 /**
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188 * Returns an array of arrays that represent the annotations on the formal
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189 * parameters, in declaration order, of this method.
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190 *
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191 * @see Method#getParameterAnnotations()
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192 * @see CiUtil#getParameterAnnotation(int, JavaResolvedMethod)
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193 */
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194 Annotation[][] getParameterAnnotations();
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195
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196 /**
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197 * Returns an array of {@link Type} objects that represent the formal
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198 * parameter types, in declaration order, of this method.
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199 *
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200 * @see Method#getGenericParameterTypes()
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201 */
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202 Type[] getGenericParameterTypes();
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203
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204 /**
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205 * Returns a {@link Type} object that represents the formal return type of this method.
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206 *
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207 * @see Method#getGenericReturnType()
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208 */
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209 Type getGenericReturnType();
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210
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211 /**
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212 * @return {@code true} if this method can be inlined
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213 */
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214 boolean canBeInlined();
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215 }