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Annotation of objc/Test/msgTest/rettest.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.0 (the 'License').  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License."
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: /* rettest.h:
        !            25:  * Definitions used in classes which test correct operation
        !            26:  * for methods of all possible return types
        !            27:  */
        !            28: 
        !            29: /* structure types */
        !            30: 
        !            31: /* structure which is 16 bits wide */
        !            32: struct S_BITS_16 { char buf[2]; };
        !            33: 
        !            34: /* structure which is 32 bits wide */
        !            35: struct S_BITS_32 { char buf[4]; };
        !            36: 
        !            37: /* structure which is 64 bits wide */
        !            38: struct S_BITS_64 { char buf[8]; };
        !            39: 
        !            40: /* structure wider than 64 bits */
        !            41: struct S_BITS_BIG { char buf[64]; };
        !            42: 
        !            43: /* union which is 16 bits wide */
        !            44: union U_BITS_16 { struct S_BITS_16 mem; short int s; };
        !            45: 
        !            46: /* union which is 32 bits wide */
        !            47: union U_BITS_32 { struct S_BITS_32 mem; long int i; };
        !            48: 
        !            49: /* union which is 64 bits wide */
        !            50: union U_BITS_64 { struct S_BITS_64 mem; double d; };
        !            51: 
        !            52: /* union wider than 64 bits */
        !            53: union U_BITS_BIG { struct S_BITS_BIG mem; char buf[64]; };
        !            54: 
        !            55: /* enum which only needs 8 bits to represent values */
        !            56: enum E_BITS_8 { e8_one=0, e8_two=127 };
        !            57: 
        !            58: /* enum which only needs 16 bits to represent values */
        !            59: enum E_BITS_16 { e16_one=0, e16_two=32767 };
        !            60: 
        !            61: #ifdef INT_32
        !            62: /* enum which needs 32 bits to represent values
        !            63:  * only use this if 'INT_32' is defined
        !            64:  * really need 'sizeof' operator in preprocessor!!!!
        !            65:  */
        !            66: enum E_BITS_32 { e32_one=0, e32_two=100000L };
        !            67: typedef enum E_BITS_32 E_BITS_32_t;
        !            68: #endif
        !            69: 
        !            70: /* macros to generate methods testing various return types
        !            71:  * These macros require V7 preprocessor abilities: formal
        !            72:  * expansion inside string literals, token concatenation
        !            73:  * by elimination of comments.
        !            74:  */
        !            75: 
        !            76: /* Define a method to return value <VAL> as type <TYP>,
        !            77:  * with optional local declarations <DECLS>.  This expects
        !            78:  * the macro <THIS_CLASS> has already been defined as the
        !            79:  * factory id for the current class.
        !            80:  */
        !            81: #define makeMethod(TYP,VAL,DECLS) \
        !            82: - (TYP) ret_ ## TYP:(TYP*)retRef { \
        !            83:        DECLS ; \
        !            84:        doArgCheck((Class)THIS_CLASS,@selector(ret_ ## TYP:),self,_cmd);\
        !            85:        *retRef = VAL; return VAL; }
        !            86: 
        !            87: /* Define a method to return a value of type <TYP>
        !            88:  * gotten by passing the message on to "super"
        !            89:  */
        !            90: #define makeSuperMethod(TYP) \
        !            91: - (TYP) ret_ ## TYP:(TYP*)retRef { \
        !            92:        doArgCheck((Class)THIS_CLASS,@selector(ret_ ## TYP:),self,_cmd);\
        !            93:        return [super ret_ ## TYP:retRef]; }
        !            94: 
        !            95: /* Macro to print a diagnostic complaining about
        !            96:  * a return value other than expected.
        !            97:  */
        !            98: #define RETERR(FMT,V1,V2) \
        !            99:        retError(FMT,__FILE__,__LINE__,V1,V2)
        !           100: #define RETERR4(FMT,V1,V2,V3,V4) \
        !           101:        retError(FMT,__FILE__,__LINE__,V1,V2,V3,V4)
        !           102: 
        !           103: /* Macro to declare instances of various types
        !           104:  * for return value testing.
        !           105:  */
        !           106: #if 0
        !           107: #define RETDECL(TYP)   TYP TYP/**/_value, TYP/**/_refValue
        !           108: #endif
        !           109: 
        !           110: #define RETDECL(TYP)   TYP TYP ## _value, TYP ## _refValue
        !           111: 
        !           112: /* Macro to call a method and test the return
        !           113:  */
        !           114: #if 0
        !           115: #define RETTEST(CLS,TYP) \
        !           116:        ((TYP/**/_value = [CLS ret_/**/TYP:&TYP/**/_refValue]), \
        !           117:                (TYP/**/_value != TYP/**/_refValue))
        !           118: 
        !           119: #define SRETTEST(CLS,TYP) \
        !           120:        ((TYP/**/_value = [CLS ret_/**/TYP:&TYP/**/_refValue]), \
        !           121:                retCompare(&TYP/**/_value, &TYP/**/_refValue, sizeof(TYP)))
        !           122: #endif
        !           123: #define RETTEST(CLS,TYP) \
        !           124:        ((TYP ## _value = [CLS ret_ ## TYP:&TYP ## _refValue]), \
        !           125:                (TYP ## _value != TYP ## _refValue))
        !           126: 
        !           127: #define SRETTEST(CLS,TYP) \
        !           128:        ((TYP ## _value = [CLS ret_ ## TYP:&TYP ## _refValue]), \
        !           129:                retCompare(&TYP ## _value, &TYP ## _refValue, sizeof(TYP)))
        !           130: 
        !           131: /* Macro to set what we're about to test for fault recovery */
        !           132: extern char* currentTest, *currentFile;
        !           133: extern int currentLine;
        !           134: #define NEXTTEST(STR) \
        !           135:        (currentTest = STR, currentFile = __FILE__, currentLine = __LINE__)
        !           136: 
        !           137: 
        !           138: /* typedefs for multi-word C type names */
        !           139: typedef unsigned char uchar_t;
        !           140: typedef unsigned short ushort_t;
        !           141: typedef unsigned long ulong_t;
        !           142: 
        !           143: typedef struct S_BITS_16 S_BITS_16_t;
        !           144: typedef struct S_BITS_32 S_BITS_32_t;
        !           145: typedef struct S_BITS_64 S_BITS_64_t;
        !           146: typedef struct S_BITS_BIG S_BITS_BIG_t;
        !           147: 
        !           148: typedef union U_BITS_16 U_BITS_16_t;
        !           149: typedef union U_BITS_32 U_BITS_32_t;
        !           150: typedef union U_BITS_64 U_BITS_64_t;
        !           151: typedef union U_BITS_BIG U_BITS_BIG_t;
        !           152: 
        !           153: typedef enum E_BITS_8 E_BITS_8_t;
        !           154: typedef enum E_BITS_16 E_BITS_16_t;

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