interp.cpp File Reference

#include <sysio/vm/backend.hpp>
#include <sysio/vm/error_codes.hpp>
#include <sysio/vm/watchdog.hpp>
#include <iostream>

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Functions
int	main (int argc, char **argv)

Function Documentation

main()

int main	(	int	argc,
		char **	argv )

Simple implementation of an interpreter using sys-vm.

Definition at line 13 of file interp.cpp.

                                {
   // Thread specific `allocator` used for wasm linear memory.
   wasm_allocator wa;
 
   if (argc < 2) {
      std::cerr << "Error, no wasm file provided\n";
      return -1;
   }
 
   std::string filename = argv[1];
 
   watchdog wd{std::chrono::seconds(3)};
 
   try {
      // Read the wasm into memory.
      auto code = read_wasm( filename );
 
      // Instaniate a new backend using the wasm provided.
      backend<std::nullptr_t, interpreter, default_options> bkend( code, &wa );
 
      // Execute any exported functions provided by the wasm.
      bkend.execute_all(wd);
 
   } catch ( const sysio::vm::exception& ex ) {
      std::cerr << "sys-vm interpreter error\n";
      std::cerr << ex.what() << " : " << ex.detail() << "\n";
   }
   return 0;
}

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