Function echo_component

crates/c-api/tests/component/values.cc:20–61

using wasmtime::Store;

static std::string echo_component(std::string_view type, std::string_view func,
                                  std::string_view host_params) {
  return std::format(
      R"END(
(component
	(type $Foo' {})
	(import "foo" (type $Foo (eq $Foo')))
	(import "do" (func $do (param "a" $Foo) (result $Foo)))
	(core module $libc
		(memory (export "memory") 1)
		{}
	)
	(core instance $libc (instantiate $libc))
	(core func $do_lower (canon lower (func $do) (memory $libc "memory") (realloc (func $libc "realloc"))))

	(core module $doer
		(import "host" "do" (func $do {}))
		(import "libc" "memory" (memory 1))
		(import "libc" "realloc" (func $realloc (param i32 i32 i32 i32) (result i32)))

		(func (export "call")
			{})
	)
	(core instance $doer (instantiate $doer
		(with "host" (instance (export "do" (func $do_lower))))
		(with "libc" (instance $libc))
	))

	(func $call
		(param "a" $Foo)
		(result $Foo)
		(canon lift
			(core func $doer "call")
			(memory $libc "memory")
			(realloc (func $libc "realloc")))
	)

	(export "call" (func $call))
)
		  )END",
      type, REALLOC_AND_FREE, host_params, func);
}

struct Context {
  Store store;