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[llvm-pdbutil] Add a function for iterating over debug subsections.
NFC, just adds a helper function to reduce boilerplate. llvm-svn: 305531
This commit is contained in:
Zachary Turner
parent
ae9029243d
commit
c17ab3eddf
@ -16,6 +16,7 @@
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#include "StreamUtil.h"
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#include "llvm-pdbutil.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/DebugInfo/CodeView/CVSymbolVisitor.h"
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#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
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#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
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@ -338,32 +339,6 @@ static std::string formatChecksumKind(FileChecksumKind Kind) {
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return formatUnknownEnum(Kind);
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}
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template <typename Callback>
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static void iterateModules(PDBFile &File, LinePrinter &P, uint32_t IndentLevel,
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Callback Fn) {
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AutoIndent Indent(P);
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if (!File.hasPDBDbiStream()) {
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P.formatLine("DBI Stream not present");
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return;
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}
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ExitOnError Err("Unexpected error processing modules");
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auto &Stream = Err(File.getPDBDbiStream());
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const DbiModuleList &Modules = Stream.modules();
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uint32_t Count = Modules.getModuleCount();
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uint32_t Digits = NumDigits(Count);
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for (uint32_t I = 0; I < Count; ++I) {
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auto Modi = Modules.getModuleDescriptor(I);
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P.formatLine("Mod {0:4} | `{1}`: ", fmt_align(I, AlignStyle::Right, Digits),
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Modi.getModuleName());
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AutoIndent Indent2(P, IndentLevel);
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Fn(I, Modi);
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}
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}
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namespace {
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class StringsAndChecksumsPrinter {
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const DebugStringTableSubsectionRef &extractStringTable(PDBFile &File) {
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@ -452,6 +427,63 @@ public:
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};
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} // namespace
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template <typename CallbackT>
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static void iterateModules(PDBFile &File, LinePrinter &P, uint32_t IndentLevel,
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CallbackT Callback) {
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AutoIndent Indent(P);
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if (!File.hasPDBDbiStream()) {
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P.formatLine("DBI Stream not present");
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return;
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}
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ExitOnError Err("Unexpected error processing modules");
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auto &Stream = Err(File.getPDBDbiStream());
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const DbiModuleList &Modules = Stream.modules();
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uint32_t Count = Modules.getModuleCount();
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uint32_t Digits = NumDigits(Count);
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for (uint32_t I = 0; I < Count; ++I) {
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auto Modi = Modules.getModuleDescriptor(I);
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P.formatLine("Mod {0:4} | `{1}`: ", fmt_align(I, AlignStyle::Right, Digits),
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Modi.getModuleName());
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StringsAndChecksumsPrinter Strings(File, I);
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AutoIndent Indent2(P, IndentLevel);
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Callback(I, Strings);
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}
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}
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template <typename SubsectionT>
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static void iterateModuleSubsections(
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PDBFile &File, LinePrinter &P, uint32_t IndentLevel,
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llvm::function_ref<void(uint32_t, StringsAndChecksumsPrinter &,
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SubsectionT &)>
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Callback) {
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iterateModules(
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File, P, IndentLevel,
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[&File, &Callback](uint32_t Modi, StringsAndChecksumsPrinter &Strings) {
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auto MDS = getModuleDebugStream(File, Modi);
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if (!MDS) {
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consumeError(MDS.takeError());
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return;
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}
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for (const auto &SS : MDS->subsections()) {
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SubsectionT Subsection;
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if (SS.kind() != Subsection.kind())
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continue;
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BinaryStreamReader Reader(SS.getRecordData());
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if (auto EC = Subsection.initialize(Reader))
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continue;
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Callback(Modi, Strings, Subsection);
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}
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});
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}
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Error RawOutputStyle::dumpModules() {
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printHeader(P, "Modules");
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@ -485,16 +517,16 @@ Error RawOutputStyle::dumpModuleFiles() {
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ExitOnError Err("Unexpected error processing modules");
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iterateModules(File, P, 11,
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[this, &Err](uint32_t I, const DbiModuleDescriptor &Modi) {
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auto &Stream = Err(File.getPDBDbiStream());
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StringsAndChecksumsPrinter Strings(File, I);
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iterateModules(
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File, P, 11,
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[this, &Err](uint32_t Modi, StringsAndChecksumsPrinter &Strings) {
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auto &Stream = Err(File.getPDBDbiStream());
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const DbiModuleList &Modules = Stream.modules();
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for (const auto &F : Modules.source_files(I)) {
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Strings.formatFromFileName(P, F);
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}
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});
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const DbiModuleList &Modules = Stream.modules();
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for (const auto &F : Modules.source_files(Modi)) {
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Strings.formatFromFileName(P, F);
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}
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});
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return Error::success();
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}
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@ -536,49 +568,33 @@ Error RawOutputStyle::dumpLines() {
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printHeader(P, "Lines");
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ExitOnError Err("Unexpected error processing modules");
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iterateModules(
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File, P, 4, [this](uint32_t I, const DbiModuleDescriptor &Modi) {
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auto MDS = getModuleDebugStream(File, I);
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if (!MDS) {
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consumeError(MDS.takeError());
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return;
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}
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StringsAndChecksumsPrinter Strings(File, I);
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uint32_t LastNameIndex = UINT32_MAX;
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for (const auto &SS : MDS->subsections()) {
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if (SS.kind() != DebugSubsectionKind::Lines)
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continue;
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DebugLinesSubsectionRef Lines;
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BinaryStreamReader Reader(SS.getRecordData());
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if (auto EC = Lines.initialize(Reader)) {
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P.formatLine("Line information not present");
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continue;
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uint32_t LastModi = UINT32_MAX;
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uint32_t LastNameIndex = UINT32_MAX;
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iterateModuleSubsections<DebugLinesSubsectionRef>(
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File, P, 4,
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[this, &LastModi, &LastNameIndex](uint32_t Modi,
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StringsAndChecksumsPrinter &Strings,
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DebugLinesSubsectionRef &Lines) {
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uint16_t Segment = Lines.header()->RelocSegment;
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uint32_t Begin = Lines.header()->RelocOffset;
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uint32_t End = Begin + Lines.header()->CodeSize;
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for (const auto &Block : Lines) {
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if (LastModi != Modi || LastNameIndex != Block.NameIndex) {
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LastModi = Modi;
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LastNameIndex = Block.NameIndex;
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Strings.formatFromChecksumsOffset(P, Block.NameIndex);
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}
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uint16_t Segment = Lines.header()->RelocSegment;
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uint32_t Begin = Lines.header()->RelocOffset;
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uint32_t End = Begin + Lines.header()->CodeSize;
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for (const auto &Block : Lines) {
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if (Block.NameIndex != LastNameIndex) {
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Strings.formatFromChecksumsOffset(P, Block.NameIndex);
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LastNameIndex = Block.NameIndex;
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}
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AutoIndent Indent(P, 2);
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P.formatLine("{0:X-4}:{1:X-8}-{2:X-8}, ", Segment, Begin, End);
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uint32_t Count = Block.LineNumbers.size();
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if (Lines.hasColumnInfo())
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P.format("line/column/addr entries = {0}", Count);
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else
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P.format("line/addr entries = {0}", Count);
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AutoIndent Indent(P, 2);
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P.formatLine("{0:X-4}:{1:X-8}-{2:X-8}, ", Segment, Begin, End);
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uint32_t Count = Block.LineNumbers.size();
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if (Lines.hasColumnInfo())
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P.format("line/column/addr entries = {0}", Count);
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else
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P.format("line/addr entries = {0}", Count);
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P.NewLine();
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typesetLinesAndColumns(File, P, Begin, Block);
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}
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P.NewLine();
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typesetLinesAndColumns(File, P, Begin, Block);
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}
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});
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@ -589,35 +605,17 @@ Error RawOutputStyle::dumpInlineeLines() {
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printHeader(P, "Inlinee Lines");
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ExitOnError Err("Unexpected error processing modules");
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iterateModules(
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File, P, 2, [this](uint32_t I, const DbiModuleDescriptor &Modi) {
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auto MDS = getModuleDebugStream(File, I);
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if (!MDS) {
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consumeError(MDS.takeError());
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return;
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}
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StringsAndChecksumsPrinter Strings(File, I);
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for (const auto &SS : MDS->subsections()) {
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if (SS.kind() != DebugSubsectionKind::InlineeLines)
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continue;
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DebugInlineeLinesSubsectionRef Lines;
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BinaryStreamReader Reader(SS.getRecordData());
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if (auto EC = Lines.initialize(Reader)) {
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continue;
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}
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P.formatLine("{0,+8} | {1,+5} | {2}", "Inlinee", "Line",
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"Source File");
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for (const auto &Entry : Lines) {
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P.formatLine("{0,+8} | {1,+5} | ", Entry.Header->Inlinee,
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fmtle(Entry.Header->SourceLineNum));
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Strings.formatFromChecksumsOffset(P, Entry.Header->FileID, true);
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}
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P.NewLine();
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iterateModuleSubsections<DebugInlineeLinesSubsectionRef>(
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File, P, 2,
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[this](uint32_t Modi, StringsAndChecksumsPrinter &Strings,
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DebugInlineeLinesSubsectionRef &Lines) {
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P.formatLine("{0,+8} | {1,+5} | {2}", "Inlinee", "Line", "Source File");
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for (const auto &Entry : Lines) {
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P.formatLine("{0,+8} | {1,+5} | ", Entry.Header->Inlinee,
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fmtle(Entry.Header->SourceLineNum));
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Strings.formatFromChecksumsOffset(P, Entry.Header->FileID, true);
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}
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P.NewLine();
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});
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return Error::success();
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