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// Copyright (c) 2018 Google LLC.
//
// 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.
#include "source/val/validate.h"
#include "source/opcode.h"
#include "source/spirv_target_env.h"
#include "source/val/instruction.h"
#include "source/val/validation_state.h"
namespace spvtools {
namespace val {
namespace {
spv_result_t ValidateMemberName(ValidationState_t& _, const Instruction* inst) {
const auto type_id = inst->GetOperandAs<uint32_t>(0);
const auto type = _.FindDef(type_id);
if (!type || SpvOpTypeStruct != type->opcode()) {
return _.diag(SPV_ERROR_INVALID_ID, inst)
<< "OpMemberName Type <id> '" << _.getIdName(type_id)
<< "' is not a struct type.";
}
const auto member_id = inst->GetOperandAs<uint32_t>(1);
const auto member_count = (uint32_t)(type->words().size() - 2);
if (member_count <= member_id) {
return _.diag(SPV_ERROR_INVALID_ID, inst)
<< "OpMemberName Member <id> '" << _.getIdName(member_id)
<< "' index is larger than Type <id> '" << _.getIdName(type->id())
<< "'s member count.";
}
return SPV_SUCCESS;
}
spv_result_t ValidateLine(ValidationState_t& _, const Instruction* inst) {
const auto file_id = inst->GetOperandAs<uint32_t>(0);
const auto file = _.FindDef(file_id);
if (!file || SpvOpString != file->opcode()) {
return _.diag(SPV_ERROR_INVALID_ID, inst)
<< "OpLine Target <id> '" << _.getIdName(file_id)
<< "' is not an OpString.";
}
return SPV_SUCCESS;
}
} // namespace
spv_result_t DebugPass(ValidationState_t& _, const Instruction* inst) {
switch (inst->opcode()) {
case SpvOpMemberName:
if (auto error = ValidateMemberName(_, inst)) return error;
break;
case SpvOpLine:
if (auto error = ValidateLine(_, inst)) return error;
break;
default:
break;
}
return SPV_SUCCESS;
}
} // namespace val
} // namespace spvtools