src/share/vm/runtime/fieldType.hpp

Tue, 23 Nov 2010 13:22:55 -0800

author
stefank
date
Tue, 23 Nov 2010 13:22:55 -0800
changeset 2314
f95d63e2154a
parent 1907
c18cbe5936b8
child 2497
3582bf76420e
permissions
-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

duke@435 1 /*
stefank@2314 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #ifndef SHARE_VM_RUNTIME_FIELDTYPE_HPP
stefank@2314 26 #define SHARE_VM_RUNTIME_FIELDTYPE_HPP
stefank@2314 27
stefank@2314 28 #include "memory/allocation.hpp"
stefank@2314 29 #include "oops/symbolOop.hpp"
stefank@2314 30
duke@435 31 // Note: FieldType should be based on the SignatureIterator (or vice versa).
duke@435 32 // In any case, this structure should be re-thought at some point.
duke@435 33
duke@435 34 // A FieldType is used to determine the type of a field from a signature string.
duke@435 35
duke@435 36 class FieldType: public AllStatic {
duke@435 37 private:
duke@435 38 static void skip_optional_size(symbolOop signature, int* index);
duke@435 39 static bool is_valid_array_signature(symbolOop signature);
duke@435 40 public:
duke@435 41
duke@435 42 // Return basic type
duke@435 43 static BasicType basic_type(symbolOop signature);
duke@435 44
duke@435 45 // Testing
duke@435 46 static bool is_array(symbolOop signature) { return signature->utf8_length() > 1 && signature->byte_at(0) == '[' && is_valid_array_signature(signature); }
duke@435 47
duke@435 48 static bool is_obj(symbolOop signature) {
duke@435 49 int sig_length = signature->utf8_length();
duke@435 50 // Must start with 'L' and end with ';'
duke@435 51 return (sig_length >= 2 &&
duke@435 52 (signature->byte_at(0) == 'L') &&
duke@435 53 (signature->byte_at(sig_length - 1) == ';'));
duke@435 54 }
duke@435 55
duke@435 56 // Parse field and extract array information. Works for T_ARRAY only.
duke@435 57 static BasicType get_array_info(symbolOop signature, jint* dimension, symbolOop *object_key, TRAPS);
duke@435 58 };
stefank@2314 59
stefank@2314 60 #endif // SHARE_VM_RUNTIME_FIELDTYPE_HPP

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