1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/classes/com/sun/tools/javac/code/TypeAnnotationPosition.java Fri Jun 26 19:12:41 2009 -0700
1.3 @@ -0,0 +1,180 @@
1.4 +/*
1.5 + * Copyright 2003-2008 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Sun designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Sun in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.25 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.26 + * have any questions.
1.27 + */
1.28 +
1.29 +package com.sun.tools.javac.code;
1.30 +
1.31 +import com.sun.tools.javac.util.*;
1.32 +
1.33 +/** A type annotation position.
1.34 +*
1.35 +* <p><b>This is NOT part of any API supported by Sun Microsystems. If
1.36 +* you write code that depends on this, you do so at your own risk.
1.37 +* This code and its internal interfaces are subject to change or
1.38 +* deletion without notice.</b>
1.39 +*/
1.40 +public class TypeAnnotationPosition {
1.41 +
1.42 + public TargetType type = TargetType.UNKNOWN;
1.43 +
1.44 + // For generic/array types.
1.45 + public List<Integer> location = List.nil();
1.46 +
1.47 + // Tree position.
1.48 + public int pos = -1;
1.49 +
1.50 + // For typecasts, type tests, new (and locals, as start_pc).
1.51 + public int offset = -1;
1.52 +
1.53 + // For locals. arrays same length
1.54 + public int[] lvarOffset = new int[] { -1 };
1.55 + public int[] lvarLength = new int[] { -1 };
1.56 + public int[] lvarIndex = new int[] { -1 };
1.57 +
1.58 + // For type parameter bound
1.59 + public int bound_index = -1;
1.60 +
1.61 + // For type parameter and method parameter
1.62 + public int parameter_index = -1;
1.63 +
1.64 + // For class extends, implements, and throws classes
1.65 + public int type_index = -2;
1.66 +
1.67 + // For wildcards
1.68 + public TypeAnnotationPosition wildcard_position = null;
1.69 +
1.70 + @Override
1.71 + public String toString() {
1.72 + StringBuilder sb = new StringBuilder();
1.73 + sb.append('[');
1.74 + sb.append(type);
1.75 +
1.76 + switch (type) {
1.77 + // type case
1.78 + case TYPECAST:
1.79 + case TYPECAST_GENERIC_OR_ARRAY:
1.80 + // object creation
1.81 + case INSTANCEOF:
1.82 + case INSTANCEOF_GENERIC_OR_ARRAY:
1.83 + // new expression
1.84 + case NEW:
1.85 + case NEW_GENERIC_OR_ARRAY:
1.86 + case NEW_TYPE_ARGUMENT:
1.87 + case NEW_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
1.88 + sb.append(", offset = ");
1.89 + sb.append(offset);
1.90 + break;
1.91 + // local variable
1.92 + case LOCAL_VARIABLE:
1.93 + case LOCAL_VARIABLE_GENERIC_OR_ARRAY:
1.94 + sb.append(", {");
1.95 + for (int i = 0; i < lvarOffset.length; ++i) {
1.96 + if (i != 0) sb.append("; ");
1.97 + sb.append(", start_pc = ");
1.98 + sb.append(lvarOffset[i]);
1.99 + sb.append(", length = ");
1.100 + sb.append(lvarLength[i]);
1.101 + sb.append(", index = ");
1.102 + sb.append(lvarIndex[i]);
1.103 + }
1.104 + sb.append("}");
1.105 + break;
1.106 + // method receiver
1.107 + case METHOD_RECEIVER:
1.108 + // Do nothing
1.109 + break;
1.110 + // type parameters
1.111 + case CLASS_TYPE_PARAMETER:
1.112 + case METHOD_TYPE_PARAMETER:
1.113 + sb.append(", param_index = ");
1.114 + sb.append(parameter_index);
1.115 + break;
1.116 + // type parameters bound
1.117 + case CLASS_TYPE_PARAMETER_BOUND:
1.118 + case CLASS_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
1.119 + case METHOD_TYPE_PARAMETER_BOUND:
1.120 + case METHOD_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
1.121 + sb.append(", param_index = ");
1.122 + sb.append(parameter_index);
1.123 + sb.append(", bound_index = ");
1.124 + sb.append(bound_index);
1.125 + break;
1.126 + // wildcard
1.127 + case WILDCARD_BOUND:
1.128 + case WILDCARD_BOUND_GENERIC_OR_ARRAY:
1.129 + sb.append(", wild_card = ");
1.130 + sb.append(wildcard_position);
1.131 + break;
1.132 + // Class extends and implements clauses
1.133 + case CLASS_EXTENDS:
1.134 + case CLASS_EXTENDS_GENERIC_OR_ARRAY:
1.135 + sb.append(", type_index = ");
1.136 + sb.append(type_index);
1.137 + break;
1.138 + // throws
1.139 + case THROWS:
1.140 + sb.append(", type_index = ");
1.141 + sb.append(type_index);
1.142 + break;
1.143 + case CLASS_LITERAL:
1.144 + sb.append(", offset = ");
1.145 + sb.append(offset);
1.146 + break;
1.147 + // method parameter: not specified
1.148 + case METHOD_PARAMETER_GENERIC_OR_ARRAY:
1.149 + sb.append(", param_index = ");
1.150 + sb.append(parameter_index);
1.151 + break;
1.152 + // method type argument: wasn't specified
1.153 + case METHOD_TYPE_ARGUMENT:
1.154 + case METHOD_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
1.155 + sb.append(", offset = ");
1.156 + sb.append(offset);
1.157 + sb.append(", type_index = ");
1.158 + sb.append(type_index);
1.159 + break;
1.160 + // We don't need to worry abut these
1.161 + case METHOD_RETURN_GENERIC_OR_ARRAY:
1.162 + case FIELD_GENERIC_OR_ARRAY:
1.163 + break;
1.164 + case UNKNOWN:
1.165 + break;
1.166 + default:
1.167 + // throw new AssertionError("unknown type: " + type);
1.168 + }
1.169 +
1.170 + // Append location data for generics/arrays.
1.171 + if (type.hasLocation()) {
1.172 + sb.append(", location = (");
1.173 + sb.append(location);
1.174 + sb.append(")");
1.175 + }
1.176 +
1.177 + sb.append(", pos = ");
1.178 + sb.append(pos);
1.179 +
1.180 + sb.append(']');
1.181 + return sb.toString();
1.182 + }
1.183 +}
