1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
51
52 class FieldType: public AllStatic {
53 private:
54 static void skip_optional_size(Symbol* signature, int* index);
55 static bool is_valid_array_signature(Symbol* signature);
56 public:
57
58 // Return basic type
59 static BasicType basic_type(Symbol* signature);
60
61 // Testing
62 static bool is_array(Symbol* signature) { return signature->utf8_length() > 1 && signature->byte_at(0) == '[' && is_valid_array_signature(signature); }
63
64 static bool is_obj(Symbol* signature) {
65 int sig_length = signature->utf8_length();
66 // Must start with 'L' and end with ';'
67 return (sig_length >= 2 &&
68 (signature->byte_at(0) == 'L') &&
69 (signature->byte_at(sig_length - 1) == ';'));
70 }
71
72 // MVT name mangling, VM derived value type naming Foo->Foo$Value
73 static bool is_dvt_postfix(Symbol* signature);
74 static char* dvt_unmangle_vcc(Symbol* signature);
75
76 // Parse field and extract array information. Works for T_ARRAY only.
77 static BasicType get_array_info(Symbol* signature, FieldArrayInfo& ai, TRAPS);
78 };
79
80 #endif // SHARE_VM_RUNTIME_FIELDTYPE_HPP
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1 /*
2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
51
52 class FieldType: public AllStatic {
53 private:
54 static void skip_optional_size(Symbol* signature, int* index);
55 static bool is_valid_array_signature(Symbol* signature);
56 public:
57
58 // Return basic type
59 static BasicType basic_type(Symbol* signature);
60
61 // Testing
62 static bool is_array(Symbol* signature) { return signature->utf8_length() > 1 && signature->byte_at(0) == '[' && is_valid_array_signature(signature); }
63
64 static bool is_obj(Symbol* signature) {
65 int sig_length = signature->utf8_length();
66 // Must start with 'L' and end with ';'
67 return (sig_length >= 2 &&
68 (signature->byte_at(0) == 'L') &&
69 (signature->byte_at(sig_length - 1) == ';'));
70 }
71
72 // Parse field and extract array information. Works for T_ARRAY only.
73 static BasicType get_array_info(Symbol* signature, FieldArrayInfo& ai, TRAPS);
74 };
75
76 #endif // SHARE_VM_RUNTIME_FIELDTYPE_HPP
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