runtime_interface.hpp

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#pragma once
#include <vector>
#include <memory>
 
namespace IR {
  struct Module;
}
 
namespace sysio { namespace chain {
 
class apply_context;
 
class wasm_instantiated_module_interface {
   public:
      virtual void apply(apply_context& context) = 0;
      virtual void fast_shutdown() {}
 
      virtual ~wasm_instantiated_module_interface();
};
 
class wasm_runtime_interface {
   public:
      virtual std::unique_ptr<wasm_instantiated_module_interface> instantiate_module(const char* code_bytes, size_t code_size, std::vector<uint8_t> initial_memory,
                                                                                     const digest_type& code_hash, const uint8_t& vm_type, const uint8_t& vm_version) = 0;
 
      //immediately exit the currently running wasm_instantiated_module_interface. Yep, this assumes only one can possibly run at a time.
      virtual void immediately_exit_currently_running_module() = 0;
 
      virtual ~wasm_runtime_interface();
};
 
}}