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//* Copyright 2017 The Dawn & Tint Authors
//*
//* Redistribution and use in source and binary forms, with or without
//* modification, are permitted provided that the following conditions are met:
//*
//* 1. Redistributions of source code must retain the above copyright notice, this
//* list of conditions and the following disclaimer.
//*
//* 2. Redistributions in binary form must reproduce the above copyright notice,
//* this list of conditions and the following disclaimer in the documentation
//* and/or other materials provided with the distribution.
//*
//* 3. Neither the name of the copyright holder nor the names of its
//* contributors may be used to endorse or promote products derived from
//* this software without specific prior written permission.
//*
//* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
//* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
//* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
//* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
//* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
//* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
//* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
//* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
//* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <utility>
{% set api = metadata.api.lower() %}
{% if 'dawn' in enabled_tags %}
#include "dawn/{{api}}_cpp.h"
{% else %}
#include "{{api}}/{{api}}_cpp.h"
{% endif %}
#if defined(__GNUC__) || defined(__clang__)
// error: 'offsetof' within non-standard-layout type '{{metadata.namespace}}::XXX' is conditionally-supported
#pragma GCC diagnostic ignored "-Winvalid-offsetof"
#endif
namespace {{metadata.namespace}} {
{% for type in by_category["enum"] %}
{% set CppType = as_cppType(type.name) %}
{% set CType = as_cType(type.name) %}
// {{CppType}}
static_assert(sizeof({{CppType}}) == sizeof({{CType}}), "sizeof mismatch for {{CppType}}");
static_assert(alignof({{CppType}}) == alignof({{CType}}), "alignof mismatch for {{CppType}}");
{% for value in type.values %}
static_assert(static_cast<uint32_t>({{CppType}}::{{as_cppEnum(value.name)}}) == {{as_cEnum(type.name, value.name)}}, "value mismatch for {{CppType}}::{{as_cppEnum(value.name)}}");
{% endfor %}
{% endfor -%}
{% for type in by_category["bitmask"] %}
{% set CppType = as_cppType(type.name) %}
{% set CType = as_cType(type.name) + "Flags" %}
// {{CppType}}
static_assert(sizeof({{CppType}}) == sizeof({{CType}}), "sizeof mismatch for {{CppType}}");
static_assert(alignof({{CppType}}) == alignof({{CType}}), "alignof mismatch for {{CppType}}");
{% for value in type.values %}
static_assert(static_cast<uint32_t>({{CppType}}::{{as_cppEnum(value.name)}}) == {{as_cEnum(type.name, value.name)}}, "value mismatch for {{CppType}}::{{as_cppEnum(value.name)}}");
{% endfor %}
{% endfor %}
// ChainedStruct
{% set c_prefix = metadata.c_prefix %}
static_assert(sizeof(ChainedStruct) == sizeof({{c_prefix}}ChainedStruct),
"sizeof mismatch for ChainedStruct");
static_assert(alignof(ChainedStruct) == alignof({{c_prefix}}ChainedStruct),
"alignof mismatch for ChainedStruct");
static_assert(offsetof(ChainedStruct, nextInChain) == offsetof({{c_prefix}}ChainedStruct, next),
"offsetof mismatch for ChainedStruct::nextInChain");
static_assert(offsetof(ChainedStruct, sType) == offsetof({{c_prefix}}ChainedStruct, sType),
"offsetof mismatch for ChainedStruct::sType");
{% for type in by_category["structure"] %}
{% set CppType = as_cppType(type.name) %}
{% set CType = as_cType(type.name) %}
// {{CppType}}
static_assert(sizeof({{CppType}}) == sizeof({{CType}}), "sizeof mismatch for {{CppType}}");
static_assert(alignof({{CppType}}) == alignof({{CType}}), "alignof mismatch for {{CppType}}");
{% if type.extensible %}
static_assert(offsetof({{CppType}}, nextInChain) == offsetof({{CType}}, nextInChain),
"offsetof mismatch for {{CppType}}::nextInChain");
{% endif %}
{% for member in type.members %}
{% set memberName = member.name.camelCase() %}
static_assert(offsetof({{CppType}}, {{memberName}}) == offsetof({{CType}}, {{memberName}}),
"offsetof mismatch for {{CppType}}::{{memberName}}");
{% endfor %}
{% endfor -%}
{%- macro render_c_actual_arg(arg) -%}
{%- if arg.annotation == "value" -%}
{%- if arg.type.category == "object" -%}
{{as_varName(arg.name)}}.Get()
{%- elif arg.type.category == "enum" or arg.type.category == "bitmask" -%}
static_cast<{{as_cType(arg.type.name)}}>({{as_varName(arg.name)}})
{%- elif arg.type.category == "structure" -%}
*reinterpret_cast<{{as_cType(arg.type.name)}} const*>(&{{as_varName(arg.name)}})
{%- elif arg.type.category in ["function pointer", "native"] -%}
{{as_varName(arg.name)}}
{%- else -%}
UNHANDLED
{%- endif -%}
{%- else -%}
reinterpret_cast<{{decorate("", as_cType(arg.type.name), arg)}}>({{as_varName(arg.name)}})
{%- endif -%}
{%- endmacro -%}
template <typename T>
static T& AsNonConstReference(const T& value) {
return const_cast<T&>(value);
}
{% for type in by_category["structure"] if type.has_free_members_function %}
// {{as_cppType(type.name)}}
{{as_cppType(type.name)}}::~{{as_cppType(type.name)}}() {
if (
{%- for member in type.members if member.annotation != 'value' %}
{% if not loop.first %} || {% endif -%}
this->{{member.name.camelCase()}} != nullptr
{%- endfor -%}
) {
{{as_cMethod(type.name, Name("free members"))}}(
*reinterpret_cast<{{as_cType(type.name)}}*>(this));
}
}
static void Reset({{as_cppType(type.name)}}& value) {
{{as_cppType(type.name)}} defaultValue{};
{% for member in type.members %}
AsNonConstReference(value.{{member.name.camelCase()}}) = defaultValue.{{member.name.camelCase()}};
{% endfor %}
}
{{as_cppType(type.name)}}::{{as_cppType(type.name)}}({{as_cppType(type.name)}}&& rhs)
: {% for member in type.members %}
{%- set memberName = member.name.camelCase() -%}
{{memberName}}(rhs.{{memberName}}){% if not loop.last %},{{"\n "}}{% endif %}
{% endfor -%}
{
Reset(rhs);
}
{{as_cppType(type.name)}}& {{as_cppType(type.name)}}::operator=({{as_cppType(type.name)}}&& rhs) {
if (&rhs == this) {
return *this;
}
this->~{{as_cppType(type.name)}}();
{% for member in type.members %}
AsNonConstReference(this->{{member.name.camelCase()}}) = std::move(rhs.{{member.name.camelCase()}});
{% endfor %}
Reset(rhs);
return *this;
}
{% endfor %}
{% for type in by_category["object"] %}
{% set CppType = as_cppType(type.name) %}
{% set CType = as_cType(type.name) %}
// {{CppType}}
static_assert(sizeof({{CppType}}) == sizeof({{CType}}), "sizeof mismatch for {{CppType}}");
static_assert(alignof({{CppType}}) == alignof({{CType}}), "alignof mismatch for {{CppType}}");
{% macro render_cpp_method_declaration(type, method) -%}
{% set CppType = as_cppType(type.name) %}
{{as_cppType(method.return_type.name)}} {{CppType}}::{{method.name.CamelCase()}}(
{%- for arg in method.arguments -%}
{%- if not loop.first %}, {% endif -%}
{%- if arg.type.category == "object" and arg.annotation == "value" -%}
{{as_cppType(arg.type.name)}} const& {{as_varName(arg.name)}}
{%- else -%}
{{as_annotated_cppType(arg)}}
{%- endif -%}
{%- endfor -%}
) const
{%- endmacro -%}
{%- macro render_cpp_to_c_method_call(type, method) -%}
{{as_cMethod(type.name, method.name)}}(Get()
{%- for arg in method.arguments -%},{{" "}}{{render_c_actual_arg(arg)}}
{%- endfor -%}
)
{%- endmacro -%}
{% for method in type.methods -%}
{{render_cpp_method_declaration(type, method)}} {
{% for arg in method.arguments if arg.type.has_free_members_function and arg.annotation == '*' %}
*{{as_varName(arg.name)}} = {{as_cppType(arg.type.name)}}();
{% endfor %}
{% if method.return_type.name.concatcase() == "void" %}
{{render_cpp_to_c_method_call(type, method)}};
{% else %}
auto result = {{render_cpp_to_c_method_call(type, method)}};
return {{convert_cType_to_cppType(method.return_type, 'value', 'result') | indent(8)}};
{% endif %}
}
{% endfor %}
void {{CppType}}::{{c_prefix}}Reference({{CType}} handle) {
if (handle != nullptr) {
{{as_cMethod(type.name, Name("reference"))}}(handle);
}
}
void {{CppType}}::{{c_prefix}}Release({{CType}} handle) {
if (handle != nullptr) {
{{as_cMethod(type.name, Name("release"))}}(handle);
}
}
{% endfor %}
// Function
{% for function in by_category["function"] if not function.no_cpp %}
{%- macro render_function_call(function) -%}
{{as_cMethod(None, function.name)}}(
{%- for arg in function.arguments -%}
{% if not loop.first %}, {% endif %}{{render_c_actual_arg(arg)}}
{%- endfor -%}
)
{%- endmacro -%}
{{as_cppType(function.return_type.name) | indent(4, true) }} {{as_cppType(function.name) }}(
{%- for arg in function.arguments -%}
{% if not loop.first %}, {% endif %}{{as_annotated_cppType(arg)}}
{%- endfor -%}
) {
{% if function.return_type.name.concatcase() == "void" %}
{{render_function_call(function)}};
{% else %}
auto result = {{render_function_call(function)}};
return {{convert_cType_to_cppType(function.return_type, 'value', 'result')}};
{% endif %}
}
{% endfor %}
}