hello_driver.cpp File Reference

#include <sysio/vm/backend.hpp>
#include <sysio/vm/error_codes.hpp>
#include <sysio/vm/host_function.hpp>
#include <sysio/vm/watchdog.hpp>
#include <iostream>
#include <string>
#include "hello.wasm.hpp"

Include dependency graph for hello_driver.cpp:

Go to the source code of this file.

Classes
struct	example_host_methods
struct	cnv

Typedefs
using	rhf_t = sysio::vm::registered_host_functions<example_host_methods, execution_interface, cnv>
using	backend_t = sysio::vm::backend<rhf_t>

Functions
	SYS_VM_PRECONDITION (test_name, SYS_VM_INVOKE_ON(const char *, [&](auto &&nm, auto &&... rest) { std::string s=nm;if(s=="sys-vm2") throw "failure";})) int main(int argc
	rhf_t::add<&example_host_methods::print_num > ("env", "print_num")
	rhf_t::add<&example_host_methods::sysio_assert > ("env", "sysio_assert")
	rhf_t::add<&example_host_methods::print_name, test_name > ("env", "print_name")
	rhf_t::add<&example_host_methods::memset > ("env", "memset")
	rhf_t::add<&example_host_methods::print_span > ("env", "print_span")
backend_t	bkend (hello_wasm, ehm, &wa)
	bkend (ehm, "env", "apply",(uint64_t) std::atoi(argv[1]),(uint64_t) std::atoi(argv[2]),(uint64_t) std::atoi(argv[3]))
	catch (...)

Variables
char **	argv
watchdog	wd {std::chrono::seconds(3)}
	try
ehm	field = "testing"
	return

Typedef Documentation

backend_t

using backend_t = sysio::vm::backend<rhf_t>

Definition at line 61 of file hello_driver.cpp.

rhf_t

using rhf_t = sysio::vm::registered_host_functions<example_host_methods, execution_interface, cnv>

Definition at line 60 of file hello_driver.cpp.

Function Documentation

bkend() [1/2]

bkend	(	ehm	,
		"env"	,
		"apply"	,
		(uint64_t) std::atoi(argv[1])	,
		(uint64_t) std::atoi(argv[2])	,
		(uint64_t) std::atoi(argv[3])	)

bkend() [2/2]

backend_t bkend	(	hello_wasm	,
		ehm	,
		&	wa )

catch()

catch

(

...

)

Definition at line 85 of file hello_driver.cpp.

{ std::cerr << "sys-vm interpreter error\n"; }

Here is the caller graph for this function:

rhf_t::add<&example_host_methods::memset >()

rhf_t::add<&example_host_methods::memset >	(	"env"	,
		"memset"	)

rhf_t::add<&example_host_methods::print_name, test_name >()

rhf_t::add<&example_host_methods::print_name, test_name >	(	"env"	,
		"print_name"	)

rhf_t::add<&example_host_methods::print_num >()

rhf_t::add<&example_host_methods::print_num >	(	"env"	,
		"print_num"	)

rhf_t::add<&example_host_methods::print_span >()

rhf_t::add<&example_host_methods::print_span >	(	"env"	,
		"print_span"	)

rhf_t::add<&example_host_methods::sysio_assert >()

rhf_t::add<&example_host_methods::sysio_assert >	(	"env"	,
		"sysio_assert"	)

SYS_VM_PRECONDITION()

SYS_VM_PRECONDITION	(	test_name	,
		SYS_VM_INVOKE_ON(const char *,[&](auto &&nm, auto &&... rest) { std::string s=nm; if(s=="sys-vm2") throw "failure"; })	)

Simple implementation of an interpreter using sys-vm.

Variable Documentation

argv

char** argv

Initial value:

{
   if (argc < 4) {
      std::cerr << "Please enter three numbers\n";
      return -1;
   }
   
   wasm_allocator wa

Definition at line 52 of file hello_driver.cpp.

                                {
   if (argc < 4) {
      std::cerr << "Please enter three numbers\n";
      return -1;
   }

field

ehm field = "testing"

Definition at line 80 of file hello_driver.cpp.

return

return

Definition at line 86 of file hello_driver.cpp.

try

try

Initial value:

{
      example_host_methods ehm

Definition at line 74 of file hello_driver.cpp.

wd

watchdog wd {std::chrono::seconds(3)}

Definition at line 73 of file hello_driver.cpp.

{std::chrono::seconds(3)};