blob: e9ada2eb87a1ec7e1e7ad6bfa39fd0dfd511efa9 [file] [log] [blame]
// Copyright 2023 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto2";
package fuzzing;
{% for type in by_category["enum"] %}
enum {{as_cppType(type.name)}} {
{% for value in type.values %}
{{ as_cppType(type.name) }}{{as_cppEnum(value.name)}} = {{ value.value }};
{% endfor %}
};
{% endfor %}
{% for type in by_category["bitmask"] %}
enum {{as_cppType(type.name)}} {
{% for value in type.values %}
{{ as_cppType(type.name) }}{{as_cppEnum(value.name)}} = {{ value.value }};
{% endfor %}
};
{% endfor %}
{% macro lift_string_proto_member(member, count) -%}
required string {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{%- endmacro %}
{% macro lift_float_array_proto_member(member, count) -%}
repeated float {{ as_varName(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{%- endmacro %}
{% macro lift_varlength_proto_member(member, count) -%}
{% if member.type in by_category["object"] %}
repeated uint32 {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% elif member.type.name.get() == "object id" %}
repeated uint32 {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% elif member.type.name.get() == "uint8_t" %}
// Skip over byte arrays in protobuf, handled by DawnSerializer
{% else %}
repeated {{ as_protobufTypeLPM(member) }} {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% endif %}
{%- endmacro %}
{% macro lift_dawn_member_pass_by_value(record, name, member, count) %}
{% if member.type in by_category["structure"] %}
required {{ as_protobufTypeLPM(member) }} {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% elif member.type in by_category["bitmask"] %}
repeated {{ as_protobufTypeLPM(member) }} {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% elif member.type in by_category["enum"] %}
required {{ as_protobufTypeLPM(member) }} {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% elif member.type in by_category["object"] %}
required uint32 {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% elif member.type.name.get() == "ObjectId" %}
required uint32 {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% elif member.type.name.get() == "ObjectHandle" %}
// Skips object handles while lifting dawn.json to protobuf because
// ObjectHandles are created and managed in DawnLPMSerializer. Passing
// arbitrary ObjectHandles from the fuzzer's bytestream isn't the
// strategy for this fuzzer.
{% else %}
required {{ as_protobufTypeLPM(member) }} {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% endif %}
{% endmacro %}
{% macro lift_dawn_member_pass_by_pointer(record, name, member, count) %}
{% if member.type in by_category["structure"] and member.length == "constant" and member.constant_length == 1 %}
required {{ as_protobufTypeLPM(member) }} {{ as_protobufNameLPM(member.name) }} = {{ count.value }};
{% set count.value = count.value + 1 %}
{% elif member.type.name.get() == "char" and member.length == 'strlen' %}
{{ lift_string_proto_member(member, count) }}
{% elif member.type.name.get() == "float" %}
{{ lift_float_array_proto_member(member, count) }}
{% elif member.type.name.get() == "uint8_t" %}
// Skip over byte arrays in protobuf, handled by DawnLPMSerializer
// with a hardcoded bytes and length.
{% elif member.length != 'constant' %}
{{ lift_varlength_proto_member(member, count) }}
{% else %}
// There shouldn't be any other pass-by-pointer types in
// dawn*.json, if any are added we would like to know at compile time
{{ unreachable_code }}
{% endif %}
{% endmacro %}
{% macro lift_proto_members_helper(record, name, members) %}
{% set count = namespace(value=1) %}
{% for member in members %}
{% if member.skip_serialize == True %}
// {{ member.name.camelCase()}}.skip_serialize
{% elif member.annotation == 'value' %}
{{ lift_dawn_member_pass_by_value(record, name, member, count) }}
{% elif member.annotation == 'const*' %}
{{ lift_dawn_member_pass_by_pointer(record, name, member, count) }}
{% endif %}
{% endfor %}
{% endmacro %}
{% for structure in by_category["structure"] %}
message {{structure.name.CamelCase()}} {
{{ lift_proto_members_helper(structure, structure.name, structure.members) }}
}
{% endfor %}
{% for command in cmd_records["proto_all_commands"] %}
{% if command not in cmd_records["proto_generated_commands"] %}
message {{command.name.CamelCase()}} {}
{% else %}
message {{command.name.CamelCase()}} {
{{ lift_proto_members_helper(command, command.name, command.members) }}
}
{% endif %}
{% endfor %}
message Command {
oneof command {
{% for command in cmd_records["proto_all_commands"] %}
{{command.name.CamelCase()}} {{command.name.camelCase()}} = {{ loop.index }};
{% endfor %}
}
}
message Program {
repeated Command commands = 1;
}