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/*
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* Copyright 2003-2008 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package com.sun.tools.javac.code;
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import com.sun.tools.javac.util.*;
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/** A type annotation position.
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*
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* <p><b>This is NOT part of any API supported by Sun Microsystems. If
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* you write code that depends on this, you do so at your own risk.
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* This code and its internal interfaces are subject to change or
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* deletion without notice.</b>
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*/
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public class TypeAnnotationPosition {
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public TargetType type = TargetType.UNKNOWN;
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// For generic/array types.
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public List<Integer> location = List.nil();
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// Tree position.
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public int pos = -1;
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// For typecasts, type tests, new (and locals, as start_pc).
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public int offset = -1;
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// For locals. arrays same length
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public int[] lvarOffset = new int[] { -1 };
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public int[] lvarLength = new int[] { -1 };
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public int[] lvarIndex = new int[] { -1 };
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// For type parameter bound
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public int bound_index = -1;
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// For type parameter and method parameter
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public int parameter_index = -1;
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// For class extends, implements, and throws classes
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public int type_index = -2;
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// For wildcards
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public TypeAnnotationPosition wildcard_position = null;
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@Override
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public String toString() {
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StringBuilder sb = new StringBuilder();
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sb.append('[');
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sb.append(type);
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switch (type) {
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// type case
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case TYPECAST:
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case TYPECAST_GENERIC_OR_ARRAY:
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// object creation
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case INSTANCEOF:
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case INSTANCEOF_GENERIC_OR_ARRAY:
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// new expression
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case NEW:
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case NEW_GENERIC_OR_ARRAY:
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case NEW_TYPE_ARGUMENT:
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case NEW_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
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sb.append(", offset = ");
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sb.append(offset);
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break;
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// local variable
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case LOCAL_VARIABLE:
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case LOCAL_VARIABLE_GENERIC_OR_ARRAY:
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sb.append(", {");
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for (int i = 0; i < lvarOffset.length; ++i) {
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if (i != 0) sb.append("; ");
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sb.append(", start_pc = ");
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sb.append(lvarOffset[i]);
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sb.append(", length = ");
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sb.append(lvarLength[i]);
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sb.append(", index = ");
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sb.append(lvarIndex[i]);
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}
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sb.append("}");
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break;
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// method receiver
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case METHOD_RECEIVER:
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// Do nothing
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break;
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// type parameters
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case CLASS_TYPE_PARAMETER:
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case METHOD_TYPE_PARAMETER:
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sb.append(", param_index = ");
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sb.append(parameter_index);
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break;
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// type parameters bound
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case CLASS_TYPE_PARAMETER_BOUND:
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case CLASS_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
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case METHOD_TYPE_PARAMETER_BOUND:
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case METHOD_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
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sb.append(", param_index = ");
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sb.append(parameter_index);
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sb.append(", bound_index = ");
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sb.append(bound_index);
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break;
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// wildcard
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case WILDCARD_BOUND:
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case WILDCARD_BOUND_GENERIC_OR_ARRAY:
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sb.append(", wild_card = ");
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sb.append(wildcard_position);
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break;
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// Class extends and implements clauses
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case CLASS_EXTENDS:
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case CLASS_EXTENDS_GENERIC_OR_ARRAY:
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sb.append(", type_index = ");
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sb.append(type_index);
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break;
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// throws
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case THROWS:
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sb.append(", type_index = ");
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sb.append(type_index);
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break;
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case CLASS_LITERAL:
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sb.append(", offset = ");
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sb.append(offset);
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break;
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// method parameter: not specified
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case METHOD_PARAMETER_GENERIC_OR_ARRAY:
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sb.append(", param_index = ");
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sb.append(parameter_index);
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break;
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// method type argument: wasn't specified
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case METHOD_TYPE_ARGUMENT:
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case METHOD_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
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sb.append(", offset = ");
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sb.append(offset);
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sb.append(", type_index = ");
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sb.append(type_index);
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break;
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// We don't need to worry abut these
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case METHOD_RETURN_GENERIC_OR_ARRAY:
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case FIELD_GENERIC_OR_ARRAY:
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break;
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case UNKNOWN:
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break;
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default:
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// throw new AssertionError("unknown type: " + type);
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}
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// Append location data for generics/arrays.
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if (type.hasLocation()) {
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sb.append(", location = (");
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sb.append(location);
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sb.append(")");
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}
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sb.append(", pos = ");
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sb.append(pos);
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sb.append(']');
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return sb.toString();
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}
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}
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