langtools/src/share/classes/com/sun/tools/javac/code/TypeAnnotationPosition.java
changeset 3150 a783d225c3e1
child 3151 41800a86aad3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/src/share/classes/com/sun/tools/javac/code/TypeAnnotationPosition.java	Fri Jun 26 19:12:41 2009 -0700
@@ -0,0 +1,180 @@
+/*
+ * Copyright 2003-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.code;
+
+import com.sun.tools.javac.util.*;
+
+/** A type annotation position.
+*
+*  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
+*  you write code that depends on this, you do so at your own risk.
+*  This code and its internal interfaces are subject to change or
+*  deletion without notice.</b>
+*/
+public class TypeAnnotationPosition {
+
+    public TargetType type = TargetType.UNKNOWN;
+
+    // For generic/array types.
+    public List<Integer> location = List.nil();
+
+    // Tree position.
+    public int pos = -1;
+
+    // For typecasts, type tests, new (and locals, as start_pc).
+    public int offset = -1;
+
+    // For locals. arrays same length
+    public int[] lvarOffset = new int[] { -1 };
+    public int[] lvarLength = new int[] { -1 };
+    public int[] lvarIndex = new int[] { -1 };
+
+    // For type parameter bound
+    public int bound_index = -1;
+
+    // For type parameter and method parameter
+    public int parameter_index = -1;
+
+    // For class extends, implements, and throws classes
+    public int type_index = -2;
+
+    // For wildcards
+    public TypeAnnotationPosition wildcard_position = null;
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append('[');
+        sb.append(type);
+
+        switch (type) {
+        // type case
+        case TYPECAST:
+        case TYPECAST_GENERIC_OR_ARRAY:
+            // object creation
+        case INSTANCEOF:
+        case INSTANCEOF_GENERIC_OR_ARRAY:
+            // new expression
+        case NEW:
+        case NEW_GENERIC_OR_ARRAY:
+        case NEW_TYPE_ARGUMENT:
+        case NEW_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
+            sb.append(", offset = ");
+            sb.append(offset);
+            break;
+            // local variable
+        case LOCAL_VARIABLE:
+        case LOCAL_VARIABLE_GENERIC_OR_ARRAY:
+            sb.append(", {");
+            for (int i = 0; i < lvarOffset.length; ++i) {
+                if (i != 0) sb.append("; ");
+                sb.append(", start_pc = ");
+                sb.append(lvarOffset[i]);
+                sb.append(", length = ");
+                sb.append(lvarLength[i]);
+                sb.append(", index = ");
+                sb.append(lvarIndex[i]);
+            }
+            sb.append("}");
+            break;
+            // method receiver
+        case METHOD_RECEIVER:
+            // Do nothing
+            break;
+            // type parameters
+        case CLASS_TYPE_PARAMETER:
+        case METHOD_TYPE_PARAMETER:
+            sb.append(", param_index = ");
+            sb.append(parameter_index);
+            break;
+            // type parameters bound
+        case CLASS_TYPE_PARAMETER_BOUND:
+        case CLASS_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
+        case METHOD_TYPE_PARAMETER_BOUND:
+        case METHOD_TYPE_PARAMETER_BOUND_GENERIC_OR_ARRAY:
+            sb.append(", param_index = ");
+            sb.append(parameter_index);
+            sb.append(", bound_index = ");
+            sb.append(bound_index);
+            break;
+            // wildcard
+        case WILDCARD_BOUND:
+        case WILDCARD_BOUND_GENERIC_OR_ARRAY:
+            sb.append(", wild_card = ");
+            sb.append(wildcard_position);
+            break;
+            // Class extends and implements clauses
+        case CLASS_EXTENDS:
+        case CLASS_EXTENDS_GENERIC_OR_ARRAY:
+            sb.append(", type_index = ");
+            sb.append(type_index);
+            break;
+            // throws
+        case THROWS:
+            sb.append(", type_index = ");
+            sb.append(type_index);
+            break;
+        case CLASS_LITERAL:
+            sb.append(", offset = ");
+            sb.append(offset);
+            break;
+            // method parameter: not specified
+        case METHOD_PARAMETER_GENERIC_OR_ARRAY:
+            sb.append(", param_index = ");
+            sb.append(parameter_index);
+            break;
+            // method type argument: wasn't specified
+        case METHOD_TYPE_ARGUMENT:
+        case METHOD_TYPE_ARGUMENT_GENERIC_OR_ARRAY:
+            sb.append(", offset = ");
+            sb.append(offset);
+            sb.append(", type_index = ");
+            sb.append(type_index);
+            break;
+            // We don't need to worry abut these
+        case METHOD_RETURN_GENERIC_OR_ARRAY:
+        case FIELD_GENERIC_OR_ARRAY:
+            break;
+        case UNKNOWN:
+            break;
+        default:
+            //                throw new AssertionError("unknown type: " + type);
+        }
+
+        // Append location data for generics/arrays.
+        if (type.hasLocation()) {
+            sb.append(", location = (");
+            sb.append(location);
+            sb.append(")");
+        }
+
+        sb.append(", pos = ");
+        sb.append(pos);
+
+        sb.append(']');
+        return sb.toString();
+    }
+}