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src/share/vm/ci/ciConstant.hpp@f95d63e2154a (annotated)

src/share/vm/ci/ciConstant.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 3099

c124e2e7463e

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) 1999, 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_CI_CICONSTANT_HPP
stefank@2314	26	#define SHARE_VM_CI_CICONSTANT_HPP
stefank@2314	27
stefank@2314	28	#include "ci/ciClassList.hpp"
stefank@2314	29	#include "ci/ciNullObject.hpp"
stefank@2314	30
duke@435	31	// ciConstant
duke@435	32	//
duke@435	33	// This class represents a constant value.
duke@435	34	class ciConstant VALUE_OBJ_CLASS_SPEC {
duke@435	35	private:
duke@435	36	friend class ciEnv;
duke@435	37	friend class ciField;
duke@435	38
duke@435	39	BasicType _type;
duke@435	40	union {
duke@435	41	jint _int;
duke@435	42	jlong _long;
duke@435	43	jint _long_half[2];
duke@435	44	jfloat _float;
duke@435	45	jdouble _double;
duke@435	46	ciObject* _object;
duke@435	47	} _value;
duke@435	48
duke@435	49	// Implementation of the print method.
duke@435	50	void print_impl(outputStream* st);
duke@435	51
duke@435	52	public:
duke@435	53
duke@435	54	ciConstant() {
duke@435	55	_type = T_ILLEGAL; _value._long = -1;
duke@435	56	}
duke@435	57	ciConstant(BasicType type, jint value) {
duke@435	58	assert(type != T_LONG && type != T_DOUBLE && type != T_FLOAT,
duke@435	59	"using the wrong ciConstant constructor");
duke@435	60	_type = type; _value._int = value;
duke@435	61	}
duke@435	62	ciConstant(jlong value) {
duke@435	63	_type = T_LONG; _value._long = value;
duke@435	64	}
duke@435	65	ciConstant(jfloat value) {
duke@435	66	_type = T_FLOAT; _value._float = value;
duke@435	67	}
duke@435	68	ciConstant(jdouble value) {
duke@435	69	_type = T_DOUBLE; _value._double = value;
duke@435	70	}
duke@435	71	ciConstant(BasicType type, ciObject* p) {
duke@435	72	_type = type; _value._object = p;
duke@435	73	}
duke@435	74
duke@435	75	BasicType basic_type() const { return _type; }
duke@435	76
duke@435	77	jboolean as_boolean() {
duke@435	78	assert(basic_type() == T_BOOLEAN, "wrong type");
duke@435	79	return (jboolean)_value._int;
duke@435	80	}
duke@435	81	jchar as_char() {
duke@435	82	assert(basic_type() == T_CHAR, "wrong type");
duke@435	83	return (jchar)_value._int;
duke@435	84	}
duke@435	85	jbyte as_byte() {
duke@435	86	assert(basic_type() == T_BYTE, "wrong type");
duke@435	87	return (jbyte)_value._int;
duke@435	88	}
duke@435	89	jshort as_short() {
duke@435	90	assert(basic_type() == T_SHORT, "wrong type");
duke@435	91	return (jshort)_value._int;
duke@435	92	}
duke@435	93	jint as_int() {
duke@435	94	assert(basic_type() == T_BOOLEAN || basic_type() == T_CHAR ||
duke@435	95	basic_type() == T_BYTE || basic_type() == T_SHORT ||
duke@435	96	basic_type() == T_INT, "wrong type");
duke@435	97	return _value._int;
duke@435	98	}
duke@435	99	jlong as_long() {
duke@435	100	assert(basic_type() == T_LONG, "wrong type");
duke@435	101	return _value._long;
duke@435	102	}
duke@435	103	jfloat as_float() {
duke@435	104	assert(basic_type() == T_FLOAT, "wrong type");
duke@435	105	return _value._float;
duke@435	106	}
duke@435	107	jdouble as_double() {
duke@435	108	assert(basic_type() == T_DOUBLE, "wrong type");
duke@435	109	return _value._double;
duke@435	110	}
duke@435	111	ciObject* as_object() const {
duke@435	112	assert(basic_type() == T_OBJECT || basic_type() == T_ARRAY, "wrong type");
duke@435	113	return _value._object;
duke@435	114	}
duke@435	115
duke@435	116	// Debugging output
duke@435	117	void print();
duke@435	118	};
stefank@2314	119
stefank@2314	120	#endif // SHARE_VM_CI_CICONSTANT_HPP