Advanced Preprocessor Meta- Programming with Boost ...

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Variability Points • What could be different: – CPU and Compilers – Hardware Vendors – Platform – Resources – Features Confidential ©NDS Ltd 2009. All rights reserved.
Multi-dimensional Structure VP1= {v 1,1 , v 1,2 , …} VP2= {v 2,1 , v 2,2 , …} VP3= {v 3,1 , v 3,2 , …} VP4= {v 4,1 , v 4,2 , …} VP5= {v 5,1 , v 5,2 , …} CPU = {Intel, …} NVM = {ST, …} Endianess = {BE, LE} Target = {Test, Production} Debug = {DEBUG, NDEBUG} Some variability points are mutually dependent (e.g. CPU -> Endianess). In general case variability points could be modeled using a sparse multi-dimensional matrix. Confidential ©NDS Ltd 2009. All rights reserved.
Page 1 and 2: Advanced Preprocessor Meta- Program
Page 3 and 4: Objectives • Typical applications
Page 5 and 6: Why macros, anyhow • Not all comp
Page 7 and 8: How Does Duplication Arise • Impo
Page 9: Confidential ©NDS Ltd 2009. All ri
Page 13 and 14: When Macros Preprocessor macros are
Page 15 and 16: Using PP_ASSERT_EQUAL #include #in
Page 17 and 18: Problem Statement • Need to popul
Page 19 and 20: How to reflect this variability poi
Page 21 and 22: #include #include #include "Modul
Page 23 and 24: How about this #define TlvProcessor
Page 25 and 26: Using Tuples and Sequences #include
Page 27 and 28: Automatic Table Generation #include
Page 29 and 30: Putting „Em Together #undef __DEC
Page 31 and 32: Problem Statement • C/C++ bit fie
Page 33 and 34: Defining Sequence Elements #define
Page 35 and 36: Calculate the total size #include
Page 37 and 38: Select underlying type #include #i
Page 39 and 40: Generate Assessors #include #inclu
Page 41 and 42: Generate Bit Fields #include #incl
Page 43 and 44: Too much duplication! Need to refac
Page 45 and 46: Byte Macro BMOCK_TEST(bit_field_tes
Page 47 and 48: typedef unsigned char byte; typedef
Page 49 and 50: Byte Macro #define __GENERATE_BIT_F
Page 51 and 52: Final Test BMOCK_TEST(bit_field_tes
Page 53 and 54: Problem Statement • Want to use a
Page 55 and 56: Argument List Processing Argument L
Page 57 and 58: Function Declaration #define __BMOC
Page 59 and 60: Processing One Argument #define __B
Page 61 and 62:
Normally set once per project Dispa
Page 63 and 64:
Dispatching Decorator Type #define
Page 65:
Future Directions • Integration w
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Advanced Preprocessor Meta- Programming with Boost ...

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