00001 /* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.4 $ */ 00002 /* Copyright (c) 2006, Sun Microsystems, Inc. 00003 All rights reserved. 00004 00005 Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 00006 following conditions are met: 00007 00008 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 00010 disclaimer in the documentation and/or other materials provided with the distribution. 00011 * Neither the name of Sun Microsystems nor the names of its contributors may be used to endorse or promote products derived 00012 from this software without specific prior written permission. 00013 00014 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT 00015 NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 00016 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00017 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00018 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 00019 OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE 00020 00021 00022 */ 00023 00024 /* 00025 ** CONC(a,b) Concatenates a and b (which are not macro-expanded) 00026 ** CONC3(a,b,c) Concatentates a, b, and c (which are not macro-expanded) 00027 ** STR(a) Makes a string of the argument (which is not macro-expanded) 00028 ** STR(a) Makes a character of the argument (which is not macro-expanded) 00029 ** XCONC(a,b) Concatenates the macro expansions of a and b 00030 ** XSTR(b) Makes a string of the macro expansion of a 00031 ** XCHAR(b) Makes a character of the macro expansion of a 00032 */ 00033 00034 # define CONC(a,b) a##b 00035 # define CONC3(a,b,c) a##b##c 00036 # define STR(a) #a 00037 # define CHAR(a) ((#a)[0]) 00038 00039 # define XCONC(a,b) CONC(a,b) 00040 # define XSTR(a) STR(a) 00041 # define XCHAR(a) CHAR(a) 00042 00043 00044 // ------------------------ Type and value checking macros -------------------- 00045 00046 // Macro to verify the type of an oop, and create a requalified oop. 00047 // E.g. CHECKOOPTYPE(host, is_byteArray, byteArrayOop, host1) expands to: 00048 // if(!host->is_byteArray()) return prim_error(BADTYPEERROR); 00049 // byteArrayOop host1 = byteArrayOop(host); 00050 // Warning: does not wrap in '{' and '}'! 00051 # define CHECKOOPTYPE(ref, typePredicate, newType, newRef) \ 00052 if (!ref->typePredicate()) \ 00053 return prim_error(BADTYPEERROR); \ 00054 newType newRef = newType(ref); 00055 00056 00057 // Check that ref is a smiOop, and set up variable to hold value. 00058 // Warning: does not wrap in '{' and '}'! 00059 # define CHECKOOPSMI(ref, val) \ 00060 if (!ref->is_smi()) \ 00061 return prim_error(BADTYPEERROR); \ 00062 smi val = smiOop(ref)->value(); 00063 00064 00065 // Check that ref is either trueObj or falseObj. Set up boolean var corresp. 00066 // Warning: does not wrap in '{' and '}'! 00067 # define CHECKOOPBOOL(ref, val) \ 00068 bool val; \ 00069 if (ref == falseObj) \ 00070 val = false; \ 00071 else if (ref == trueObj) \ 00072 val = true; \ 00073 else \ 00074 return prim_error(BADTYPEERROR); 00075 00076
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