1 //===- NativeTypeArray.cpp - info about arrays ------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm/DebugInfo/PDB/Native/NativeTypeArray.h"
10 
11 #include "llvm/DebugInfo/CodeView/CodeView.h"
12 #include "llvm/DebugInfo/PDB/Native/NativeSession.h"
13 #include "llvm/DebugInfo/PDB/Native/SymbolCache.h"
14 #include "llvm/DebugInfo/PDB/PDBExtras.h"
15 
16 using namespace llvm;
17 using namespace llvm::codeview;
18 using namespace llvm::pdb;
19 
20 NativeTypeArray::NativeTypeArray(NativeSession &Session, SymIndexId Id,
21                                  codeview::TypeIndex TI,
22                                  codeview::ArrayRecord Record)
23     : NativeRawSymbol(Session, PDB_SymType::ArrayType, Id), Record(Record),
24       Index(TI) {}
25 NativeTypeArray::~NativeTypeArray() = default;
26 
27 void NativeTypeArray::dump(raw_ostream &OS, int Indent,
28                            PdbSymbolIdField ShowIdFields,
29                            PdbSymbolIdField RecurseIdFields) const {
30   NativeRawSymbol::dump(OS, Indent, ShowIdFields, RecurseIdFields);
31 
32   dumpSymbolField(OS, "arrayIndexTypeId", getArrayIndexTypeId(), Indent);
33   dumpSymbolIdField(OS, "elementTypeId", getTypeId(), Indent, Session,
34                     PdbSymbolIdField::Type, ShowIdFields, RecurseIdFields);
35 
36   dumpSymbolIdField(OS, "lexicalParentId", 0, Indent, Session,
37                     PdbSymbolIdField::LexicalParent, ShowIdFields,
38                     RecurseIdFields);
39   dumpSymbolField(OS, "length", getLength(), Indent);
40   dumpSymbolField(OS, "count", getCount(), Indent);
41   dumpSymbolField(OS, "constType", isConstType(), Indent);
42   dumpSymbolField(OS, "unalignedType", isUnalignedType(), Indent);
43   dumpSymbolField(OS, "volatileType", isVolatileType(), Indent);
44 }
45 
46 SymIndexId NativeTypeArray::getArrayIndexTypeId() const {
47   return Session.getSymbolCache().findSymbolByTypeIndex(Record.getIndexType());
48 }
49 
50 bool NativeTypeArray::isConstType() const { return false; }
51 
52 bool NativeTypeArray::isUnalignedType() const { return false; }
53 
54 bool NativeTypeArray::isVolatileType() const { return false; }
55 
56 uint32_t NativeTypeArray::getCount() const {
57   NativeRawSymbol &Element =
58       Session.getSymbolCache().getNativeSymbolById(getTypeId());
59   return getLength() / Element.getLength();
60 }
61 
62 SymIndexId NativeTypeArray::getTypeId() const {
63   return Session.getSymbolCache().findSymbolByTypeIndex(
64       Record.getElementType());
65 }
66 
67 uint64_t NativeTypeArray::getLength() const { return Record.Size; }
68