133 lines
4.8 KiB
C++
133 lines
4.8 KiB
C++
//* Copyright 2021 The Dawn Authors
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//*
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//* Licensed under the Apache License, Version 2.0 (the "License");
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//* you may not use this file except in compliance with the License.
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//* You may obtain a copy of the License at
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//*
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//* http://www.apache.org/licenses/LICENSE-2.0
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//*
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//* Unless required by applicable law or agreed to in writing, software
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//* distributed under the License is distributed on an "AS IS" BASIS,
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//* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//* See the License for the specific language governing permissions and
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//* limitations under the License.
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{% set impl_dir = metadata.impl_dir + "/" if metadata.impl_dir else "" %}
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{% set namespace_name = Name(metadata.native_namespace) %}
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{% set native_namespace = namespace_name.namespace_case() %}
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{% set native_dir = impl_dir + namespace_name.snake_case() %}
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{% set api = metadata.api.lower() %}
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#include "{{native_dir}}/{{api}}_absl_format_autogen.h"
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#include "{{native_dir}}/ObjectType_autogen.h"
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namespace {{native_namespace}} {
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//
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// Descriptors
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//
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{% for type in by_category["structure"] %}
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{% for member in type.members %}
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{% if member.name.canonical_case() == "label" %}
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absl::FormatConvertResult<absl::FormatConversionCharSet::kString>
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AbslFormatConvert(const {{as_cppType(type.name)}}* value,
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const absl::FormatConversionSpec& spec,
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absl::FormatSink* s) {
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if (value == nullptr) {
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s->Append("[null]");
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return {true};
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}
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s->Append("[{{as_cppType(type.name)}}");
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if (value->label != nullptr) {
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s->Append(absl::StrFormat(" \"%s\"", value->label));
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}
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s->Append("]");
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return {true};
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}
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{% endif %}
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{% endfor %}
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{% endfor %}
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} // namespace {{native_namespace}}
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{% set namespace = metadata.namespace %}
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namespace {{namespace}} {
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//
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// Enums
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//
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{% for type in by_category["enum"] %}
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absl::FormatConvertResult<absl::FormatConversionCharSet::kString>
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AbslFormatConvert({{as_cppType(type.name)}} value,
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const absl::FormatConversionSpec& spec,
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absl::FormatSink* s) {
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s->Append("{{as_cppType(type.name)}}::");
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switch (value) {
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{% for value in type.values %}
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case {{as_cppType(type.name)}}::{{as_cppEnum(value.name)}}:
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s->Append("{{as_cppEnum(value.name)}}");
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break;
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{% endfor %}
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default:
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s->Append(absl::StrFormat("%x", static_cast<typename std::underlying_type<{{as_cppType(type.name)}}>::type>(value)));
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}
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return {true};
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}
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{% endfor %}
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//
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// Bitmasks
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//
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{% for type in by_category["bitmask"] %}
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absl::FormatConvertResult<absl::FormatConversionCharSet::kString>
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AbslFormatConvert({{as_cppType(type.name)}} value,
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const absl::FormatConversionSpec& spec,
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absl::FormatSink* s) {
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s->Append("{{as_cppType(type.name)}}::");
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if (!static_cast<bool>(value)) {
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{% for value in type.values if value.value == 0 %}
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// 0 is often explicitly declared as None.
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s->Append("{{as_cppEnum(value.name)}}");
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{% else %}
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s->Append(absl::StrFormat("{{as_cppType(type.name)}}::%x", 0));
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{% endfor %}
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return {true};
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}
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bool moreThanOneBit = !HasZeroOrOneBits(value);
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if (moreThanOneBit) {
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s->Append("(");
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}
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bool first = true;
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{% for value in type.values if value.value != 0 %}
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if (value & {{as_cppType(type.name)}}::{{as_cppEnum(value.name)}}) {
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if (!first) {
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s->Append("|");
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}
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first = false;
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s->Append("{{as_cppEnum(value.name)}}");
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value &= ~{{as_cppType(type.name)}}::{{as_cppEnum(value.name)}};
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}
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{% endfor %}
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if (static_cast<bool>(value)) {
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if (!first) {
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s->Append("|");
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}
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s->Append(absl::StrFormat("{{as_cppType(type.name)}}::%x", static_cast<typename std::underlying_type<{{as_cppType(type.name)}}>::type>(value)));
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}
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if (moreThanOneBit) {
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s->Append(")");
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}
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return {true};
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}
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{% endfor %}
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} // namespace {{namespace}}
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