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comparison src/share/vm/utilities/constantTag.hpp @ 8104:f16e75e0cf11

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8000797: NPG: is_pseudo_string_at() doesn't work Summary: Zero Symbol* for constant pool strings to indicate pseudo_strings (objects that aren't strings). Clean up JVM_CONSTANT_Object and unused flags. Reviewed-by: sspitsyn, jrose
author coleenp
date Fri, 22 Feb 2013 08:36:42 -0500
parents da91efe96a93
children 28ca974cc21a
comparison
equal deleted inserted replaced
8103:5ed317b25e23 8104:f16e75e0cf11
1 /* 1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
41 JVM_CONSTANT_ClassIndex = 101, // Temporary tag while constructing constant pool 41 JVM_CONSTANT_ClassIndex = 101, // Temporary tag while constructing constant pool
42 JVM_CONSTANT_StringIndex = 102, // Temporary tag while constructing constant pool 42 JVM_CONSTANT_StringIndex = 102, // Temporary tag while constructing constant pool
43 JVM_CONSTANT_UnresolvedClassInError = 103, // Error tag due to resolution error 43 JVM_CONSTANT_UnresolvedClassInError = 103, // Error tag due to resolution error
44 JVM_CONSTANT_MethodHandleInError = 104, // Error tag due to resolution error 44 JVM_CONSTANT_MethodHandleInError = 104, // Error tag due to resolution error
45 JVM_CONSTANT_MethodTypeInError = 105, // Error tag due to resolution error 45 JVM_CONSTANT_MethodTypeInError = 105, // Error tag due to resolution error
46 JVM_CONSTANT_Object = 106, // Required for BoundMethodHandle arguments. 46 JVM_CONSTANT_InternalMax = 105 // Last implementation tag
47 JVM_CONSTANT_InternalMax = 106 // Last implementation tag
48 }; 47 };
49 48
50 49
51 class constantTag VALUE_OBJ_CLASS_SPEC { 50 class constantTag VALUE_OBJ_CLASS_SPEC {
52 private: 51 private:
82 } 81 }
83 82
84 bool is_klass_index() const { return _tag == JVM_CONSTANT_ClassIndex; } 83 bool is_klass_index() const { return _tag == JVM_CONSTANT_ClassIndex; }
85 bool is_string_index() const { return _tag == JVM_CONSTANT_StringIndex; } 84 bool is_string_index() const { return _tag == JVM_CONSTANT_StringIndex; }
86 85
87 bool is_object() const { return _tag == JVM_CONSTANT_Object; }
88
89 bool is_klass_reference() const { return is_klass_index() || is_unresolved_klass(); } 86 bool is_klass_reference() const { return is_klass_index() || is_unresolved_klass(); }
90 bool is_klass_or_reference() const{ return is_klass() || is_klass_reference(); } 87 bool is_klass_or_reference() const{ return is_klass() || is_klass_reference(); }
91 bool is_field_or_method() const { return is_field() || is_method() || is_interface_method(); } 88 bool is_field_or_method() const { return is_field() || is_method() || is_interface_method(); }
92 bool is_symbol() const { return is_utf8(); } 89 bool is_symbol() const { return is_utf8(); }
93 90
96 bool is_invoke_dynamic() const { return _tag == JVM_CONSTANT_InvokeDynamic; } 93 bool is_invoke_dynamic() const { return _tag == JVM_CONSTANT_InvokeDynamic; }
97 94
98 bool is_loadable_constant() const { 95 bool is_loadable_constant() const {
99 return ((_tag >= JVM_CONSTANT_Integer && _tag <= JVM_CONSTANT_String) || 96 return ((_tag >= JVM_CONSTANT_Integer && _tag <= JVM_CONSTANT_String) ||
100 is_method_type() || is_method_handle() || 97 is_method_type() || is_method_handle() ||
101 is_unresolved_klass() || is_object()); 98 is_unresolved_klass());
102 } 99 }
103 100
104 constantTag() { 101 constantTag() {
105 _tag = JVM_CONSTANT_Invalid; 102 _tag = JVM_CONSTANT_Invalid;
106 } 103 }