Mercurial > hg > graal-compiler
view src/share/vm/utilities/constantTag.hpp @ 8125:0026a2e70695
Merge fixes.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 05 Mar 2013 23:58:57 +0100 |
parents | f16e75e0cf11 |
children | 28ca974cc21a |
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/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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. * * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_UTILITIES_CONSTANTTAG_HPP #define SHARE_VM_UTILITIES_CONSTANTTAG_HPP #include "prims/jvm.h" #include "utilities/top.hpp" // constant tags in Java .class files enum { // See jvm.h for shared JVM_CONSTANT_XXX tags // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/utilities/ConstantTag.java // Hotspot specific tags JVM_CONSTANT_Invalid = 0, // For bad value initialization JVM_CONSTANT_InternalMin = 100, // First implementation tag (aside from bad value of course) JVM_CONSTANT_UnresolvedClass = 100, // Temporary tag until actual use JVM_CONSTANT_ClassIndex = 101, // Temporary tag while constructing constant pool JVM_CONSTANT_StringIndex = 102, // Temporary tag while constructing constant pool JVM_CONSTANT_UnresolvedClassInError = 103, // Error tag due to resolution error JVM_CONSTANT_MethodHandleInError = 104, // Error tag due to resolution error JVM_CONSTANT_MethodTypeInError = 105, // Error tag due to resolution error JVM_CONSTANT_InternalMax = 105 // Last implementation tag }; class constantTag VALUE_OBJ_CLASS_SPEC { private: jbyte _tag; public: bool is_klass() const { return _tag == JVM_CONSTANT_Class; } bool is_field () const { return _tag == JVM_CONSTANT_Fieldref; } bool is_method() const { return _tag == JVM_CONSTANT_Methodref; } bool is_interface_method() const { return _tag == JVM_CONSTANT_InterfaceMethodref; } bool is_string() const { return _tag == JVM_CONSTANT_String; } bool is_int() const { return _tag == JVM_CONSTANT_Integer; } bool is_float() const { return _tag == JVM_CONSTANT_Float; } bool is_long() const { return _tag == JVM_CONSTANT_Long; } bool is_double() const { return _tag == JVM_CONSTANT_Double; } bool is_name_and_type() const { return _tag == JVM_CONSTANT_NameAndType; } bool is_utf8() const { return _tag == JVM_CONSTANT_Utf8; } bool is_invalid() const { return _tag == JVM_CONSTANT_Invalid; } bool is_unresolved_klass() const { return _tag == JVM_CONSTANT_UnresolvedClass || _tag == JVM_CONSTANT_UnresolvedClassInError; } bool is_unresolved_klass_in_error() const { return _tag == JVM_CONSTANT_UnresolvedClassInError; } bool is_method_handle_in_error() const { return _tag == JVM_CONSTANT_MethodHandleInError; } bool is_method_type_in_error() const { return _tag == JVM_CONSTANT_MethodTypeInError; } bool is_klass_index() const { return _tag == JVM_CONSTANT_ClassIndex; } bool is_string_index() const { return _tag == JVM_CONSTANT_StringIndex; } bool is_klass_reference() const { return is_klass_index() || is_unresolved_klass(); } bool is_klass_or_reference() const{ return is_klass() || is_klass_reference(); } bool is_field_or_method() const { return is_field() || is_method() || is_interface_method(); } bool is_symbol() const { return is_utf8(); } bool is_method_type() const { return _tag == JVM_CONSTANT_MethodType; } bool is_method_handle() const { return _tag == JVM_CONSTANT_MethodHandle; } bool is_invoke_dynamic() const { return _tag == JVM_CONSTANT_InvokeDynamic; } bool is_loadable_constant() const { return ((_tag >= JVM_CONSTANT_Integer && _tag <= JVM_CONSTANT_String) || is_method_type() || is_method_handle() || is_unresolved_klass()); } constantTag() { _tag = JVM_CONSTANT_Invalid; } constantTag(jbyte tag) { assert((tag >= 0 && tag <= JVM_CONSTANT_NameAndType) || (tag >= JVM_CONSTANT_MethodHandle && tag <= JVM_CONSTANT_InvokeDynamic) || (tag >= JVM_CONSTANT_InternalMin && tag <= JVM_CONSTANT_InternalMax), "Invalid constant tag"); _tag = tag; } jbyte value() { return _tag; } BasicType basic_type() const; // if used with ldc, what kind of value gets pushed? const char* internal_name() const; // for error reporting void print_on(outputStream* st) const PRODUCT_RETURN; }; #endif // SHARE_VM_UTILITIES_CONSTANTTAG_HPP