sysio::chain::basic_type_converter< Interface > Struct Template Reference

#include <common.hpp>

Inheritance diagram for sysio::chain::basic_type_converter< Interface >:

Collaboration diagram for sysio::chain::basic_type_converter< Interface >:

Public Types
using	base_type = sysio::vm::type_converter<webassembly::interface, Interface>
Public Types inherited from sysio::vm::type_converter< webassembly::interface, Interface >
using	base_type
using	elem_type
Public Types inherited from sysio::vm::running_context< webassembly::interface, Interface >
using	running_context_t

Public Member Functions
	SYS_VM_FROM_WASM (bool,(uint32_t value))
	SYS_VM_FROM_WASM (memcpy_params,(vm::wasm_ptr_t dst, vm::wasm_ptr_t src, vm::wasm_size_t size))
	SYS_VM_FROM_WASM (memcmp_params,(vm::wasm_ptr_t lhs, vm::wasm_ptr_t rhs, vm::wasm_size_t size))
	SYS_VM_FROM_WASM (memset_params,(vm::wasm_ptr_t dst, int32_t val, vm::wasm_size_t size))
template<typename T >
auto	from_wasm (vm::wasm_ptr_t ptr) const -> std::enable_if_t< std::is_pointer_v< T >, vm::argument_proxy< T > >
template<typename T >
auto	from_wasm (vm::wasm_ptr_t ptr, vm::tag< T >={}) const -> std::enable_if_t< vm::is_argument_proxy_type_v< T > &&std::is_pointer_v< typename T::proxy_type >, T >
	SYS_VM_FROM_WASM (null_terminated_ptr,(vm::wasm_ptr_t ptr))
	SYS_VM_FROM_WASM (name,(uint64_t e))
uint64_t	to_wasm (name &&n)
	SYS_VM_FROM_WASM (float32_t,(float f))
	SYS_VM_FROM_WASM (float64_t,(double f))
Public Member Functions inherited from sysio::vm::type_converter< webassembly::interface, Interface >
	SYS_VM_FROM_WASM (bool,(uint32_t value))
	SYS_VM_FROM_WASM (bool,(uint32_t value))
uint32_t	to_wasm (bool &&value)
no_match_t	to_wasm (T &&)
uint32_t	to_wasm (bool &&value)
no_match_t	to_wasm (T &&)
auto	from_wasm (wasm_ptr_t ptr, wasm_size_t len, tag< T >={}) const -> std::enable_if_t< is_span_type_v< T >, T >
auto	from_wasm (wasm_ptr_t ptr, wasm_size_t len, tag< T >={}) const -> std::enable_if_t< is_argument_proxy_type_v< T > &&is_span_type_v< typename T::proxy_type >, T >
auto	from_wasm (wasm_ptr_t ptr, tag< T >={}) const -> std::enable_if_t< is_argument_proxy_type_v< T > &&std::is_pointer_v< typename T::proxy_type >, T >
auto	from_wasm (wasm_ptr_t ptr, wasm_size_t len, tag< T >={}) const -> std::enable_if_t< is_span_type_v< T >, T >
auto	from_wasm (wasm_ptr_t ptr, wasm_size_t len, tag< T >={}) const -> std::enable_if_t< is_argument_proxy_type_v< T > &&is_span_type_v< typename T::proxy_type >, T >
auto	from_wasm (wasm_ptr_t ptr, tag< T >={}) const -> std::enable_if_t< is_argument_proxy_type_v< T > &&std::is_pointer_v< typename T::proxy_type >, T >
decltype(auto)	as_value (const elem_type &val) const
decltype(auto)	as_value (const elem_type &val) const
constexpr auto	as_result (T &&val) const
constexpr auto	as_result (T &&val) const
	running_context (Host_Type *host, const Interface &ei)
	running_context (Host_Type *host, Interface &&ei)
decltype(auto)	get_host ()
Public Member Functions inherited from sysio::vm::running_context< webassembly::interface, Interface >
	running_context (webassembly::interface *host, const Interface &ei)
	running_context (webassembly::interface *host, Interface &&ei)
	running_context (webassembly::interface *host, const Interface &ei)
	running_context (webassembly::interface *host, Interface &&ei)
void *	access (wasm_ptr_t addr=0) const
void *	access (wasm_ptr_t addr=0) const
Interface &	get_interface ()
const Interface &	get_interface () const
Interface &	get_interface ()
const Interface &	get_interface () const
decltype(auto)	get_host ()
decltype(auto)	get_host ()
auto	validate_pointer (U ptr, wasm_size_t len) const
auto	validate_pointer (U ptr, wasm_size_t len) const
auto	validate_null_terminated_pointer (T ptr) const
auto	validate_null_terminated_pointer (T ptr) const

Additional Inherited Members
Public Attributes inherited from sysio::vm::running_context< webassembly::interface, Interface >
webassembly::interface *	host
Interface	interface

Detailed Description

template<typename Interface>
struct sysio::chain::basic_type_converter< Interface >

Definition at line 60 of file common.hpp.

Member Typedef Documentation

base_type

template<typename Interface >

using sysio::chain::basic_type_converter< Interface >::base_type = sysio::vm::type_converter<webassembly::interface, Interface>

Definition at line 61 of file common.hpp.

Member Function Documentation

from_wasm() [1/2]

template<typename Interface >

template<typename T >

auto sysio::chain::basic_type_converter< Interface >::from_wasm ( vm::wasm_ptr_t ptr ) const -> std::enable_if_t< std::is_pointer_v<T>, vm::argument_proxy<T> >

inline

Definition at line 88 of file common.hpp.

                                                    {
         auto p = this->template validate_pointer<std::remove_pointer_t<T>>(ptr, 1);
         return {p};
      }

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from_wasm() [2/2]

template<typename Interface >

template<typename T >

auto sysio::chain::basic_type_converter< Interface >::from_wasm ( vm::wasm_ptr_t ptr, vm::tag< T > = {} ) const -> std::enable_if_t< vm::is_argument_proxy_type_v<T> && std::is_pointer_v<typename T::proxy_type>, T>

inline

Definition at line 96 of file common.hpp.

                                                  {}) const
         -> std::enable_if_t< vm::is_argument_proxy_type_v<T> &&
                              std::is_pointer_v<typename T::proxy_type>, T> {
         if constexpr(T::is_legacy()) {
            SYS_ASSERT(ptr != 0, wasm_execution_error, "references cannot be created for null pointers");
         }
         auto p = this->template validate_pointer<typename T::pointee_type>(ptr, 1);
         return {p};
      }

SYS_VM_FROM_WASM() [1/8]

template<typename Interface >

sysio::chain::basic_type_converter< Interface >::SYS_VM_FROM_WASM ( bool , (uint32_t value)  )

inline

Definition at line 66 of file common.hpp.

{ return value ? 1 : 0; }

SYS_VM_FROM_WASM() [2/8]

template<typename Interface >

sysio::chain::basic_type_converter< Interface >::SYS_VM_FROM_WASM ( float32_t , (float f)  )

inline

Definition at line 112 of file common.hpp.

{ return ::to_softfloat32(f); }

SYS_VM_FROM_WASM() [3/8]

template<typename Interface >

sysio::chain::basic_type_converter< Interface >::SYS_VM_FROM_WASM ( float64_t , (double f)  )

inline

Definition at line 113 of file common.hpp.

{ return ::to_softfloat64(f); }

SYS_VM_FROM_WASM() [4/8]

template<typename Interface >

sysio::chain::basic_type_converter< Interface >::SYS_VM_FROM_WASM ( memcmp_params , (vm::wasm_ptr_t lhs, vm::wasm_ptr_t rhs, vm::wasm_size_t size)  )

inline

Definition at line 75 of file common.hpp.

                                                                                                {
         auto l = this->template validate_pointer<char>(lhs, size);
         auto r = this->template validate_pointer<char>(rhs, size);
         return { l, r, size };
      }

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SYS_VM_FROM_WASM() [5/8]

template<typename Interface >

sysio::chain::basic_type_converter< Interface >::SYS_VM_FROM_WASM ( memcpy_params , (vm::wasm_ptr_t dst, vm::wasm_ptr_t src, vm::wasm_size_t size)  )

inline

Definition at line 68 of file common.hpp.

                                                                                                {
         auto d = this->template validate_pointer<char>(dst, size);
         auto s = this->template validate_pointer<char>(src, size);
         this->template validate_pointer<char>(dst, 1);
         return { d, s, size };
      }

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SYS_VM_FROM_WASM() [6/8]

template<typename Interface >

sysio::chain::basic_type_converter< Interface >::SYS_VM_FROM_WASM ( memset_params , (vm::wasm_ptr_t dst, int32_t val, vm::wasm_size_t size)  )

inline

Definition at line 81 of file common.hpp.

                                                                                           {
         auto d = this->template validate_pointer<char>(dst, size);
         this->template validate_pointer<char>(dst, 1);
         return { d, val, size };
      }

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SYS_VM_FROM_WASM() [7/8]

template<typename Interface >

sysio::chain::basic_type_converter< Interface >::SYS_VM_FROM_WASM ( name , (uint64_t e)  )

inline

Definition at line 110 of file common.hpp.

{ return name{e}; }

SYS_VM_FROM_WASM() [8/8]

template<typename Interface >

sysio::chain::basic_type_converter< Interface >::SYS_VM_FROM_WASM ( null_terminated_ptr , (vm::wasm_ptr_t ptr)  )

inline

Definition at line 106 of file common.hpp.

                                                                {
         auto p = this->validate_null_terminated_pointer(ptr);
         return {static_cast<const char*>(p)};
      }

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to_wasm()

template<typename Interface >

uint64_t sysio::chain::basic_type_converter< Interface >::to_wasm ( name && n )

inline

Definition at line 111 of file common.hpp.

{ return n.to_uint64_t(); }

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The documentation for this struct was generated from the following file:

• libraries/chain/include/sysio/chain/webassembly/common.hpp