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#
pragma
once
namespace
cppwinrt
{
struct
finish_with
{
writer& w;
std::function<
void
(writer&)> finisher;
finish_with
(writer& w, std::function<
void
(writer&)> finisher) : w(w), finisher(std::move(finisher)) {}
finish_with
(finish_with
const
&)=
delete
;
void
operator
=(finish_with
const
&) =
delete
;
~finish_with
() {
finisher
(w); }
};
static
void
write_nothing
(writer&)
{
}
static
void
write_preamble
(writer& w)
{
if
(settings.
license
)
{
w.
write
(
R"(
// C++/WinRT v%
%
)"
,
CPPWINRT_VERSION_STRING
, settings.
license_template
);
}
else
{
w.
write
(
R"(
// WARNING: Please don't edit this file. It was generated by C++/WinRT v%
)"
,
CPPWINRT_VERSION_STRING
);
}
}
static
void
write_endif
(writer& w, std::string_view macro = {})
{
if
(macro.
empty
())
{
w.
write
(
"
#endif
\n
"
);
}
else
{
w.
write
(
"
#endif // %
\n
"
, macro);
}
}
//
When modules are enabled, wraps a block of #include directives in
//
#ifndef WINRT_IMPL_BUILD_MODULE ... #endif so that in module builds (where
//
WINRT_IMPL_BUILD_MODULE is defined in the global module fragment), textual
//
includes are suppressed — dependencies come via import instead.
[[nodiscard]]
static
finish_with
wrap_module_aware_includes_guard
(writer& w,
bool
modules_enabled)
{
if
(modules_enabled)
{
w.
write
(
"
#ifndef WINRT_IMPL_BUILD_MODULE
\n
"
);
return
{ w, [](writer& w) {
write_endif
(w,
"
WINRT_IMPL_BUILD_MODULE
"
); } };
}
else
{
return
{ w, write_nothing };
}
}
static
void
write_version_assert
(writer& w)
{
w.
write_root_include
(
"
base
"
);
auto
format =
R"(
static_assert(winrt::check_version(CPPWINRT_VERSION, "%"), "Mismatched C++/WinRT headers.");
#define CPPWINRT_VERSION "%"
)"
;
w.
write
(format,
CPPWINRT_VERSION_STRING
,
CPPWINRT_VERSION_STRING
);
}
static
void
write_include_guard
(writer& w)
{
auto
format =
R"(
#pragma once
)"
;
w.
write
(format);
}
static
void
write_close_file_guard
(writer& w)
{
write_endif
(w);
}
static
void
write_open_file_guard
(writer& w, std::string_view
const
& file_name,
char
impl =
0
)
{
write_include_guard
(w);
std::string mangled_name;
for
(
auto
&& c : file_name)
{
mangled_name += c ==
'
.
'
?
'
_
'
: c;
}
if
(impl)
{
mangled_name +=
'
_
'
;
mangled_name += impl;
}
auto
format =
R"(
#ifndef WINRT_%_H
#define WINRT_%_H
)"
;
w.
write
(format, mangled_name, mangled_name);
}
template
<
typename
... Args>
[[nodiscard]]
static
finish_with
wrap_open_file_guard
(writer& w, Args&&... args)
{
write_open_file_guard
(w, std::forward<Args>(args)...);
return
{ w, write_close_file_guard };
}
[[nodiscard]]
static
finish_with
wrap_lean_and_mean
(writer& w,
bool
is_lean_and_mean =
true
)
{
if
(is_lean_and_mean)
{
auto
format =
R"(
#ifndef WINRT_LEAN_AND_MEAN
)"
;
w.
write
(format);
return
{ w, [](writer& w) {
write_endif
(w,
"
WINRT_LEAN_AND_MEAN
"
); } };
}
else
{
return
{ w, write_nothing };
}
}
[[nodiscard]]
static
finish_with
wrap_ifdef
(writer& w, std::string_view macro)
{
auto
format =
R"(
#ifdef %
)"
;
w.
write
(format, macro);
return
{ w, [macro =
std::string
(macro)](writer& w) {
write_endif
(w, macro); } };
}
[[nodiscard]]
static
finish_with
wrap_ifndef
(writer& w, std::string_view macro)
{
auto
format =
R"(
#ifndef %
)"
;
w.
write
(format, macro);
return
{ w, [macro =
std::string
(macro)](writer& w) {
write_endif
(w, macro); } };
}
static
void
write_parent_depends
(writer& w, cache
const
& c, std::string_view
const
& type_namespace)
{
auto
pos = type_namespace.
rfind
(
'
.
'
);
if
(pos == std::string::npos)
{
return
;
}
auto
parent = type_namespace.
substr
(
0
, pos);
auto
found = c.
namespaces
().
find
(parent);
if
(found != c.
namespaces
().
end
() &&
has_projected_types
(found->
second
))
{
w.
write_root_include
(parent);
}
else
{
write_parent_depends
(w, c, parent);
}
}
static
void
write_pch
(writer& w)
{
auto
format =
R"(
#include "%"
)"
;
if
(!settings.
component_pch
.
empty
())
{
w.
write
(format, settings.
component_pch
);
}
}
static
void
write_close_namespace
(writer& w)
{
auto
format =
R"(
}
)"
;
w.
write
(format);
}
[[nodiscard]]
static
finish_with
wrap_impl_namespace
(writer& w)
{
auto
format =
R"(
WINRT_EXPORT namespace winrt::impl
{
)"
;
w.
write
(format);
return
{ w, write_close_namespace };
}
[[nodiscard]]
static
finish_with
wrap_std_namespace
(writer& w)
{
w.
write
(
R"(
namespace std
{
)"
);
return
{ w, write_close_namespace };
}
[[nodiscard]]
static
finish_with
wrap_type_namespace
(writer& w, std::string_view
const
& ns)
{
auto
format =
R"(
WINRT_EXPORT namespace winrt::@
{
)"
;
w.
write
(format, ns);
return
{ w, write_close_namespace };
}
static
void
write_enum_field
(writer& w, Field
const
& field)
{
auto
format =
R"(
% = %,
)"
;
if
(
auto
constant = field.
Constant
())
{
w.
write
(format, field.
Name
(), *constant);
}
}
static
void
write_enum
(writer& w, TypeDef
const
& type)
{
auto
format =
R"(
enum class % : %
{
% };
)"
;
auto
fields = type.
FieldList
();
w.
write
(format, type.
TypeName
(), fields.
first
.
Signature
().
Type
(), bind_each<write_enum_field>(fields));
}
static
void
write_enum_operators
(writer& w, TypeDef
const
& type)
{
if
(!
has_attribute
(type,
"
System
"
,
"
FlagsAttribute
"
))
{
return
;
}
auto
name = type.
TypeName
();
auto
format =
R"(
constexpr auto operator|(% const left, % const right) noexcept
{
return static_cast<%>(impl::to_underlying_type(left) | impl::to_underlying_type(right));
}
constexpr auto operator|=(%& left, % const right) noexcept
{
left = left | right;
return left;
}
constexpr auto operator&(% const left, % const right) noexcept
{
return static_cast<%>(impl::to_underlying_type(left) & impl::to_underlying_type(right));
}
constexpr auto operator&=(%& left, % const right) noexcept
{
left = left & right;
return left;
}
constexpr auto operator~(% const value) noexcept
{
return static_cast<%>(~impl::to_underlying_type(value));
}
constexpr auto operator^^(% const left, % const right) noexcept
{
return static_cast<%>(impl::to_underlying_type(left) ^^ impl::to_underlying_type(right));
}
constexpr auto operator^^=(%& left, % const right) noexcept
{
left = left ^^ right;
return left;
}
)"
;
w.
write
(format, name, name, name, name, name, name, name, name, name, name, name, name, name, name, name, name, name);
}
static
void
write_generic_typenames
(writer& w, std::pair<GenericParam, GenericParam>
const
& params)
{
separator s{ w };
for
(
auto
&& param : params)
{
s
();
w.
write
(
"
typename %
"
, param);
}
}
static
void
write_generic_asserts
(writer& w, std::pair<GenericParam, GenericParam>
const
& params)
{
for
(
auto
&& param : params)
{
auto
format =
R"(
static_assert(impl::has_category_v<%>, "% must be WinRT type.");
)"
;
w.
write
(format, param, param);
}
}
static
void
write_comma_generic_typenames
(writer& w, std::pair<GenericParam, GenericParam>
const
& params)
{
for
(
auto
&& param : params)
{
w.
write
(
"
, typename %
"
, param);
}
}
static
void
write_comma_generic_types
(writer& w, std::pair<GenericParam, GenericParam>
const
& params)
{
for
(
auto
&& param : params)
{
w.
write
(
"
, %
"
, param);
}
}
static
void
write_forward
(writer& w, TypeDef
const
& type)
{
type_name
type_name
(type);
if
(
get_category
(type) == category::enum_type)
{
auto
format =
R"(
enum class % : %;
)"
;
w.
write
(format, type_name.
name
, type.
FieldList
().
first
.
Signature
().
Type
());
return
;
}
if
(type_name ==
"
Windows.Foundation.DateTime
"
||
type_name ==
"
Windows.Foundation.TimeSpan
"
)
{
//
Don't forward declare these since they're not structs.
return
;
}
if
(type_name.
name_space
==
"
Windows.Foundation.Numerics
"
)
{
if
(type_name.
name
==
"
Matrix3x2
"
||
type_name.
name
==
"
Matrix4x4
"
||
type_name.
name
==
"
Plane
"
||
type_name.
name
==
"
Quaternion
"
||
type_name.
name
==
"
Vector2
"
||
type_name.
name
==
"
Vector3
"
||
type_name.
name
==
"
Vector4
"
)
{
//
Don't forward declare these since they're already defined with different names.
return
;
}
}
auto
generics = type.
GenericParam
();
if
(
empty
(generics))
{
auto
format =
R"(
struct %;
)"
;
w.
write
(format, type_name.
name
);
return
;
}
auto
format =
R"(
template <%> struct WINRT_IMPL_EMPTY_BASES %;
)"
;
w.
write
(format,
bind<write_generic_typenames>(generics),
remove_tick
(type_name.
name
));
}
static
void
write_guid_value
(writer& w, std::vector<FixedArgSig>
const
& args)
{
using
std::get;
w.
write_printf
(
"
0x%08X,0x%04X,0x%04X,{ 0x%02X,0x%02X,0x%02X,0x%02X,0x%02X,0x%02X,0x%02X,0x%02X }
"
,
get<std::
uint32_t
>(get<ElemSig>(args[
0
].
value
).
value
),
get<std::
uint16_t
>(get<ElemSig>(args[
1
].
value
).
value
),
get<std::
uint16_t
>(get<ElemSig>(args[
2
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
3
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
4
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
5
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
6
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
7
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
8
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
9
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
10
].
value
).
value
));
}
static
void
write_guid_comment
(writer& w, std::vector<FixedArgSig>
const
& args)
{
using
std::get;
w.
write_printf
(
"
%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X
"
,
get<std::
uint32_t
>(get<ElemSig>(args[
0
].
value
).
value
),
get<std::
uint16_t
>(get<ElemSig>(args[
1
].
value
).
value
),
get<std::
uint16_t
>(get<ElemSig>(args[
2
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
3
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
4
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
5
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
6
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
7
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
8
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
9
].
value
).
value
),
get<std::
uint8_t
>(get<ElemSig>(args[
10
].
value
).
value
));
}
static
void
write_category
(writer& w, TypeDef
const
& type, std::string_view
const
& category)
{
auto
generics = type.
GenericParam
();
if
(
empty
(generics))
{
auto
format =
R"(
template <> struct category<%>{ using type = %; };
)"
;
w.
write
(format, type, category);
}
else
{
auto
format =
R"(
template <%> struct category<%>{ using type = generic_category<%>; };
)"
;
w.
write
(format,
bind<write_generic_typenames>(generics),
type,
bind_list
(
"
,
"
, generics));
}
}
static
void
write_generic_names
(writer& w, std::pair<GenericParam, GenericParam>
const
& params)
{
bool
first =
true
;
for
(
auto
&& param : params)
{
if
(first)
{
first =
false
;
}
else
{
w.
write
(
R"(
, L", "
)"
);
}
w.
write
(
"
, name_v<%>
"
, param.
Name
());
}
}
static
void
write_name
(writer& w, TypeDef
const
& type)
{
type_name
type_name
(type);
auto
generics = type.
GenericParam
();
if
(
empty
(generics))
{
auto
format =
R"(
template <> inline constexpr auto& name_v<%> = L"%.%";
)"
;
w.
write
(format, type, type_name.
name_space
, type_name.
name
);
}
else
{
auto
format =
R"(
template <%> inline constexpr auto name_v<%> = zcombine(L"%.%<"%, L">");
)"
;
w.
write
(format,
bind<write_generic_typenames>(generics),
type,
type_name.
name_space
,
type_name.
name
,
bind<write_generic_names>(generics));
}
}
static
void
write_guid
(writer& w, TypeDef
const
& type)
{
auto
attribute =
get_attribute
(type,
"
Windows.Foundation.Metadata
"
,
"
GuidAttribute
"
);
if
(!attribute)
{
throw_invalid
(
"
'Windows.Foundation.Metadata.GuidAttribute' attribute for type '
"
, type.
TypeNamespace
(),
"
.
"
, type.
TypeName
(),
"
' not found
"
);
}
auto
generics = type.
GenericParam
();
auto
guid = attribute.
Value
().
FixedArgs
();
if
(
empty
(generics))
{
auto
format =
R"(
template <> inline constexpr guid guid_v<%>{ % }; // %
)"
;
w.
write
(format,
type,
bind<write_guid_value>(guid),
bind<write_guid_comment>(guid));
}
else
{
auto
format =
R"(
template <%> inline constexpr guid guid_v<%>{ pinterface_guid<%>::value };
template <%> inline constexpr guid generic_guid_v<%>{ % }; // %
)"
;
w.
write
(format,
bind<write_generic_typenames>(generics),
type,
type,
bind<write_generic_typenames>(generics),
type,
bind<write_guid_value>(guid),
bind<write_guid_comment>(guid));
}
}
static
void
write_default_interface
(writer& w, TypeDef
const
& type)
{
if
(
auto
default_interface =
get_default_interface
(type))
{
auto
format =
R"(
template <> struct default_interface<%>{ using type = %; };
)"
;
w.
write
(format, type, default_interface);
}
}
static
void
write_struct_category
(writer& w, TypeDef
const
& type)
{
auto
format =
R"(
template <> struct category<%>{ using type = struct_category<%>; };
)"
;
w.
write
(format, type,
bind_list
(
"
,
"
, type.
FieldList
()));
}
static
void
write_array_size_name
(writer& w, Param
const
& param)
{
if
(w.
param_names
)
{
w.
write
(
"
__%Size
"
, param.
Name
());
}
}
static
void
write_abi_arg_in
(writer& w, TypeSig
const
& type)
{
if
(std::holds_alternative<GenericTypeIndex>(type.
Type
()))
{
w.
write
(
"
arg_in<%>
"
, type);
}
else
{
w.
write
(type);
}
}
static
void
write_abi_arg_out
(writer& w, TypeSig
const
& type)
{
if
(std::holds_alternative<GenericTypeIndex>(type.
Type
()))
{
w.
write
(
"
arg_out<%>
"
, type);
}
else
{
w.
write
(
"
%*
"
, type);
}
}
static
void
write_abi_params
(writer& w, method_signature
const
& method_signature)
{
auto
abi_guard = w.
push_abi_types
(
true
);
separator s{ w };
for
(
auto
&& [param, param_signature] : method_signature.
params
())
{
s
();
if
(param_signature->
Type
().
is_szarray
())
{
std::string_view format;
if
(param.
Flags
().
In
())
{
format =
"
std::uint32_t%, %
"
;
}
else
if
(param_signature->
ByRef
())
{
format =
"
std::uint32_t*%, %*
"
;
}
else
{
format =
"
std::uint32_t%, %
"
;
}
w.
write
(format, bind<write_array_size_name>(param), bind<write_abi_arg_out>(param_signature->
Type
()));
}
else
{
if
(param.
Flags
().
In
())
{
write_abi_arg_in
(w, param_signature->
Type
());
if
(
is_const
(*param_signature))
{
w.
write
(
"
const&
"
);
}
}
else
{
write_abi_arg_out
(w, param_signature->
Type
());
}
}
if
(w.
param_names
)
{
w.
write
(
"
%
"
, param.
Name
());
}
}
if
(method_signature.
return_signature
())
{
s
();
auto
const
& type = method_signature.
return_signature
().
Type
();
if
(type.
is_szarray
())
{
w.
write
(
"
std::uint32_t* __%Size, %**
"
, method_signature.
return_param_name
(), type);
}
else
{
write_abi_arg_out
(w, type);
}
if
(w.
param_names
)
{
w.
write
(
"
%
"
, method_signature.
return_param_name
());
}
}
}
static
void
write_abi_args
(writer& w, method_signature
const
& method_signature,
bool
start_comma)
{
separator s{ w };
if
(start_comma)
{
s
();
}
for
(
auto
&& [param, param_signature] : method_signature.
params
())
{
s
();
auto
param_name = param.
Name
();
TypeDef signature_type;
auto
category =
get_category
(param_signature->
Type
(), &signature_type);
if
(param.
Flags
().
In
())
{
switch
(category)
{
case
param_category::object_type:
case
param_category::string_type:
w.
write
(
"
*(void**)(&%)
"
, param_name);
break
;
case
param_category::generic_type:
case
param_category::struct_type:
w.
write
(
"
impl::bind_in(%)
"
, param_name);
break
;
case
param_category::enum_type:
w.
write
(
"
static_cast<%>(%)
"
, signature_type.
FieldList
().
first
.
Signature
().
Type
(), param_name);
break
;
case
param_category::fundamental_type:
w.
write
(param_name);
break
;
case
param_category::array_type:
w.
write
(
"
%.size(), get_abi(%)
"
, param_name, param_name);
break
;
}
}
else
{
switch
(category)
{
case
param_category::fundamental_type:
w.
write
(
"
&%
"
, param_name);
break
;
case
param_category::enum_type:
w.
write
(
"
reinterpret_cast<%*>(&%)
"
, signature_type.
FieldList
().
first
.
Signature
().
Type
(), param_name);
break
;
case
param_category::array_type:
if
(param_signature->
ByRef
())
{
w.
write
(
"
impl::put_size_abi(%), put_abi(%)
"
, param_name, param_name);
}
else
{
w.
write
(
"
%.size(), put_abi(%)
"
, param_name, param_name);
}
break
;
default
:
w.
write
(
"
impl::bind_out(%)
"
, param_name);
break
;
}
}
}
if
(method_signature.
return_signature
())
{
s
();
auto
param_name = method_signature.
return_param_name
();
TypeDef signature_type;
auto
category =
get_category
(method_signature.
return_signature
().
Type
(), &signature_type);
if
(category == param_category::array_type)
{
w.
write
(
"
&%_impl_size, &%
"
, param_name, param_name);
}
else
if
(category == param_category::struct_type || category == param_category::generic_type)
{
w.
write
(
"
put_abi(%)
"
, param_name);
}
else
if
(category == param_category::enum_type)
{
w.
write
(
"
reinterpret_cast<%*>(&%)
"
, signature_type.
FieldList
().
first
.
Signature
().
Type
(), param_name);
}
else
{
w.
write
(
"
&%
"
, param_name);
}
}
}
static
void
write_fast_interface_abi
(writer& w, TypeDef
const
& default_interface)
{
if
(!settings.
fastabi
)
{
return
;
}
auto
pair = settings.
fastabi_cache
.
find
(default_interface);
if
(pair == settings.
fastabi_cache
.
end
())
{
return
;
}
auto
bases =
get_bases
(pair->
second
);
std::for_each
(bases.
rbegin
(), bases.
rend
(), [&](
auto
&& base)
{
auto
format =
R"(
virtual void* __stdcall base_%() noexcept = 0;
)"
;
w.
write
(format, base.
TypeName
());
});
for
(
auto
&& [name, info] :
get_interfaces
(w, pair->
second
))
{
if
(info.
is_default
)
{
continue
;
}
if
(!info.
fastabi
)
{
break
;
}
auto
format =
R"(
virtual std::int32_t __stdcall %(%) noexcept = 0;
)"
;
for
(
auto
&& method : info.
type
.
MethodList
())
{
method_signature signature{ method };
w.
write
(format,
get_abi_name
(method), bind<write_abi_params>(signature));
}
}
}
static
void
write_interface_abi
(writer& w, TypeDef
const
& type)
{
auto
generics = type.
GenericParam
();
auto
guard{ w.
push_generic_params
(generics) };
if
(
empty
(generics))
{
auto
format =
R"(
template <> struct abi<%>
{
struct WINRT_IMPL_ABI_DECL type : inspectable_abi
{
)"
;
w.
write
(format, type);
}
else
{
auto
format =
R"(
template <%> struct abi<%>
{
struct WINRT_IMPL_ABI_DECL type : inspectable_abi
{
)"
;
w.
write
(format,
bind<write_generic_typenames>(generics),
type);
}
auto
format =
R"(
virtual std::int32_t __stdcall %(%) noexcept = 0;
)"
;
auto
abi_guard = w.
push_abi_types
(
true
);
for
(
auto
&& method : type.
MethodList
())
{
try
{
method_signature signature{ method };
w.
write
(format,
get_abi_name
(method), bind<write_abi_params>(signature));
}
catch
(std::exception
const
& e)
{
throw_invalid
(e.
what
(),
"
\n
method:
"
,
get_name
(method),
"
\n
type:
"
, type.
TypeNamespace
(),
"
.
"
, type.
TypeName
(),
"
\n
database:
"
, type.
get_database
().
path
());
}
}
write_fast_interface_abi
(w, type);
w.
write
(
R"(
};
};
)"
);
}
static
void
write_delegate_abi
(writer& w, TypeDef
const
& type)
{
auto
format =
R"(
template <%> struct abi<%>
{
struct WINRT_IMPL_ABI_DECL type : unknown_abi
{
virtual std::int32_t __stdcall Invoke(%) noexcept = 0;
};
};
)"
;
auto
generics = type.
GenericParam
();
auto
guard{ w.
push_generic_params
(generics) };
auto
method =
get_delegate_method
(type);
method_signature signature{ method };
w.
write
(format,
bind<write_generic_typenames>(generics),
type,
bind<write_abi_params>(signature));
}
static
void
write_field_abi
(writer& w, Field
const
& field)
{
w.
write
(
"
% %;
\n
"
,
get_field_abi
(w, field), field.
Name
());
}
static
void
write_struct_abi
(writer& w, TypeDef
const
& type)
{
auto
abi_guard = w.
push_abi_types
(
true
);
auto
format =
R"(
struct struct_%
{
% };
template <> struct abi<@::%>
{
using type = struct_%;
};
)"
;
type_name
type_name
(type);
auto
impl_name =
get_impl_name
(type_name.
name_space
, type_name.
name
);
w.
write
(format,
impl_name,
bind_each<write_field_abi>(type.
FieldList
()),
type_name.
name_space
, type_name.
name
,
impl_name);
}
static
void
write_consume_params
(writer& w, method_signature
const
& signature)
{
separator s{ w };
for
(
auto
&& [param, param_signature] : signature.
params
())
{
s
();
if
(param_signature->
Type
().
is_szarray
())
{
std::string_view format;
if
(param.
Flags
().
In
())
{
format =
"
array_view<% const>
"
;
}
else
if
(param_signature->
ByRef
())
{
format =
"
com_array<%>&
"
;
}
else
{
format =
"
array_view<%>
"
;
}
w.
write
(format, param_signature->
Type
().
Type
());
}
else
{
if
(param.
Flags
().
In
())
{
assert
(!param.
Flags
().
Out
());
w.
consume_types
=
true
;
auto
param_type = std::get_if<ElementType>(¶m_signature->
Type
().
Type
());
if
(param_type && *param_type != ElementType::String && *param_type != ElementType::Object)
{
w.
write
(
"
%
"
, param_signature->
Type
());
}
else
if
(std::holds_alternative<GenericTypeIndex>(param_signature->
Type
().
Type
()))
{
w.
write
(
"
impl::param_type<%> const&
"
, param_signature->
Type
());
}
else
{
w.
write
(
"
% const&
"
, param_signature->
Type
());
}
w.
consume_types
=
false
;
}
else
{
assert
(!param.
Flags
().
In
());
assert
(param.
Flags
().
Out
());
w.
write
(
"
%&
"
, param_signature->
Type
());
}
}
w.
write
(
"
%
"
, param.
Name
());
}
}
static
void
write_implementation_params
(writer& w, method_signature
const
& method_signature)
{
separator s{ w };
for
(
auto
&& [param, param_signature] : method_signature.
params
())
{
s
();
if
(param_signature->
Type
().
is_szarray
())
{
std::string_view format;
if
(param.
Flags
().
In
())
{
format =
"
array_view<% const>
"
;
}
else
if
(param_signature->
ByRef
())
{
format =
"
com_array<%>&
"
;
}
else
{
format =
"
array_view<%>
"
;
}
w.
write
(format, param_signature->
Type
().
Type
());
}
else
{
if
(param.
Flags
().
In
())
{
assert
(!param.
Flags
().
Out
());
auto
param_type = std::get_if<ElementType>(¶m_signature->
Type
().
Type
());
if
((!
is_put_overload
(method_signature.
method
()) && w.
async_types
) ||
(param_type && *param_type != ElementType::String && *param_type != ElementType::Object))
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