1// Copyright (c) 2018 Google LLC.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#include "source/val/validate.h"
16
17#include "source/opcode.h"
18#include "source/spirv_target_env.h"
19#include "source/val/instruction.h"
20#include "source/val/validation_state.h"
21
22namespace spvtools {
23namespace val {
24namespace {
25
26spv_result_t ValidateMemberName(ValidationState_t& _, const Instruction* inst) {
27 const auto type_id = inst->GetOperandAs<uint32_t>(0);
28 const auto type = _.FindDef(type_id);
29 if (!type || SpvOpTypeStruct != type->opcode()) {
30 return _.diag(SPV_ERROR_INVALID_ID, inst)
31 << "OpMemberName Type <id> '" << _.getIdName(type_id)
32 << "' is not a struct type.";
33 }
34 const auto member_id = inst->GetOperandAs<uint32_t>(1);
35 const auto member_count = (uint32_t)(type->words().size() - 2);
36 if (member_count <= member_id) {
37 return _.diag(SPV_ERROR_INVALID_ID, inst)
38 << "OpMemberName Member <id> '" << _.getIdName(member_id)
39 << "' index is larger than Type <id> '" << _.getIdName(type->id())
40 << "'s member count.";
41 }
42 return SPV_SUCCESS;
43}
44
45spv_result_t ValidateLine(ValidationState_t& _, const Instruction* inst) {
46 const auto file_id = inst->GetOperandAs<uint32_t>(0);
47 const auto file = _.FindDef(file_id);
48 if (!file || SpvOpString != file->opcode()) {
49 return _.diag(SPV_ERROR_INVALID_ID, inst)
50 << "OpLine Target <id> '" << _.getIdName(file_id)
51 << "' is not an OpString.";
52 }
53 return SPV_SUCCESS;
54}
55
56} // namespace
57
58spv_result_t DebugPass(ValidationState_t& _, const Instruction* inst) {
59 switch (inst->opcode()) {
60 case SpvOpMemberName:
61 if (auto error = ValidateMemberName(_, inst)) return error;
62 break;
63 case SpvOpLine:
64 if (auto error = ValidateLine(_, inst)) return error;
65 break;
66 default:
67 break;
68 }
69
70 return SPV_SUCCESS;
71}
72
73} // namespace val
74} // namespace spvtools
75