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  1. #include <iostream>
  2. #include <functional> 
  3. #include <vector>
  4. using namespace std;
  5.  
  6. using word = unsigned;  
  7. const word DD_MASK=100; 
  8. struct Cpu {
  9. 	void Clr(word x) { std::cout<<"Clr "<<x<<endl; }; 
  10. 	void Com(word x) { std::cout<<"Com "<<x<<endl; }; 
  11. }; 
  12.  
  13. using InstrFunc = void (Cpu::*)(word);
  14. //using InstrFunc = std::function<void(Cpu*, word)>; 
  15. struct InstructionDescription
  16. {
  17.     std::string name;
  18.     word mask;
  19.     word code;
  20.     InstrFunc func;
  21.     word flags;
  22. };
  23.  
  24.  
  25. int main() {
  26.   vector<InstructionDescription> instructions {
  27.     {"clr",     DD_MASK,        0005000,    &Cpu::Clr},
  28.     {"clrb",    DD_MASK,        0105000,    &Cpu::Clr},
  29.     {"com",     DD_MASK,        0005100,    &Cpu::Com}
  30.   };	
  31.   Cpu cpu;  
  32.   for (auto& i:instructions) {
  33. //      i.func(&cpu, i.code);   // as simple as that with std::function
  34.       (cpu.*i.func)(i.code);
  35.   }
  36. }
Success #stdin #stdout 0s 4372KB
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stdin
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Standard input is empty
stdout
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Clr 2560
Clr 35328
Com 2624
https://ideone.com/6KbZkj
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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