SymbolDocument[] ReadDocuments()
{
Debug.Assert(module is not null);
var docTbl = pdbMetadata.TablesStream.DocumentTable;
var docs = new SymbolDocument[docTbl.Rows];
var nameReader = new DocumentNameReader(pdbMetadata.BlobStream);
var custInfos = ListCache <PdbCustomDebugInfo> .AllocList();
var gpContext = new GenericParamContext();
for (int i = 0; i < docs.Length; i++)
{
bool b = pdbMetadata.TablesStream.TryReadDocumentRow((uint)i + 1, out var row);
Debug.Assert(b);
var url = nameReader.ReadDocumentName(row.Name);
var language = pdbMetadata.GuidStream.Read(row.Language) ?? Guid.Empty;
var languageVendor = GetLanguageVendor(language);
var documentType = PdbDocumentConstants.DocumentTypeText;
var checkSumAlgorithmId = pdbMetadata.GuidStream.Read(row.HashAlgorithm) ?? Guid.Empty;
var checkSum = pdbMetadata.BlobStream.ReadNoNull(row.Hash);
var token = new MDToken(Table.Document, i + 1).ToInt32();
custInfos.Clear();
GetCustomDebugInfos(token, gpContext, custInfos);
var custInfosArray = custInfos.Count == 0 ? Array2.Empty <PdbCustomDebugInfo>() : custInfos.ToArray();
docs[i] = new SymbolDocumentImpl(url, language, languageVendor, documentType, checkSumAlgorithmId, checkSum, custInfosArray);
}
ListCache <PdbCustomDebugInfo> .Free(ref custInfos);
return(docs);
}
SymbolScopeImpl ReadScope(uint methodRid, GenericParamContext gpContext)
{
var scopesRidList = pdbMetadata.GetLocalScopeRidList(methodRid);
SymbolScopeImpl rootScopeOrNull = null;
if (scopesRidList.Count != 0)
{
var custInfos = ListCache <PdbCustomDebugInfo> .AllocList();
var stack = ListCache <SymbolScopeImpl> .AllocList();
var importScopeBlobReader = new ImportScopeBlobReader(module, pdbMetadata.BlobStream);
for (int i = 0; i < scopesRidList.Count; i++)
{
var rid = scopesRidList[i];
int token = new MDToken(Table.LocalScope, rid).ToInt32();
bool b = pdbMetadata.TablesStream.TryReadLocalScopeRow(rid, out var row);
Debug.Assert(b);
uint startOffset = row.StartOffset;
uint endOffset = startOffset + row.Length;
SymbolScopeImpl parent = null;
while (stack.Count > 0)
{
var nextParent = stack[stack.Count - 1];
if (startOffset >= nextParent.StartOffset && endOffset <= nextParent.EndOffset)
{
parent = nextParent;
break;
}
stack.RemoveAt(stack.Count - 1);
}
Debug.Assert(parent is not null || rootScopeOrNull is null);
custInfos.Clear();
GetCustomDebugInfos(token, gpContext, custInfos);
var customDebugInfos = custInfos.Count == 0 ? Array2.Empty <PdbCustomDebugInfo>() : custInfos.ToArray();
var scope = new SymbolScopeImpl(this, parent, (int)startOffset, (int)endOffset, customDebugInfos);
if (rootScopeOrNull is null)
{
rootScopeOrNull = scope;
}
stack.Add(scope);
if (parent is not null)
{
parent.childrenList.Add(scope);
}
scope.importScope = ReadPdbImportScope(ref importScopeBlobReader, row.ImportScope, gpContext);
GetEndOfLists(rid, out uint variableListEnd, out uint constantListEnd);
ReadVariables(scope, gpContext, row.VariableList, variableListEnd);
ReadConstants(scope, row.ConstantList, constantListEnd);
}
ListCache <SymbolScopeImpl> .Free(ref stack);
ListCache <PdbCustomDebugInfo> .Free(ref custInfos);
}
return(rootScopeOrNull ?? new SymbolScopeImpl(this, null, 0, int.MaxValue, Array2.Empty <PdbCustomDebugInfo>()));
}
SymbolDocument[] ReadDocuments()
{
Debug.Assert(module != null);
var docTbl = pdbMetaData.TablesStream.DocumentTable;
var docs = new SymbolDocument[docTbl.Rows];
var nameReader = new DocumentNameReader(pdbMetaData.BlobStream);
var custInfos = ListCache <PdbCustomDebugInfo> .AllocList();
var gpContext = new GenericParamContext();
for (int i = 0; i < docs.Length; i++)
{
uint nameOffset, hashAlgorithmIndex, hashOffset;
uint languageIndex = pdbMetaData.TablesStream.ReadDocumentRow2((uint)i + 1, out nameOffset, out hashAlgorithmIndex, out hashOffset);
var url = nameReader.ReadDocumentName(nameOffset);
var language = pdbMetaData.GuidStream.Read(languageIndex) ?? Guid.Empty;
var languageVendor = GetLanguageVendor(language);
var documentType = PdbDocumentConstants.DocumentTypeText;
var checkSumAlgorithmId = pdbMetaData.GuidStream.Read(hashAlgorithmIndex) ?? Guid.Empty;
var checkSum = pdbMetaData.BlobStream.ReadNoNull(hashOffset);
var token = new MDToken(Table.Document, i + 1).ToInt32();
custInfos.Clear();
GetCustomDebugInfos(token, gpContext, custInfos);
var custInfosArray = custInfos.Count == 0 ? emptyPdbCustomDebugInfos : custInfos.ToArray();
docs[i] = new SymbolDocumentImpl(url, language, languageVendor, documentType, checkSumAlgorithmId, checkSum, custInfosArray);
}
ListCache <PdbCustomDebugInfo> .Free(ref custInfos);
return(docs);
}
void ReadVariables(SymbolScopeImpl scope, GenericParamContext gpContext, uint variableList, uint variableListEnd)
{
if (variableList == 0)
{
return;
}
Debug.Assert(variableList <= variableListEnd);
if (variableList >= variableListEnd)
{
return;
}
var table = pdbMetadata.TablesStream.LocalVariableTable;
Debug.Assert(table.IsValidRID(variableListEnd - 1));
if (!table.IsValidRID(variableListEnd - 1))
{
return;
}
Debug.Assert(table.IsValidRID(variableList));
if (!table.IsValidRID(variableList))
{
return;
}
var custInfos = ListCache <PdbCustomDebugInfo> .AllocList();
for (uint rid = variableList; rid < variableListEnd; rid++)
{
int token = new MDToken(Table.LocalVariable, rid).ToInt32();
custInfos.Clear();
GetCustomDebugInfos(token, gpContext, custInfos);
var customDebugInfos = custInfos.Count == 0 ? Array2.Empty <PdbCustomDebugInfo>() : custInfos.ToArray();
bool b = pdbMetadata.TablesStream.TryReadLocalVariableRow(rid, out var row);
Debug.Assert(b);
var name = pdbMetadata.StringsStream.Read(row.Name);
scope.localsList.Add(new SymbolVariableImpl(name, ToSymbolVariableAttributes(row.Attributes), row.Index, customDebugInfos));
}
ListCache <PdbCustomDebugInfo> .Free(ref custInfos);
}
void ReadVariables(SymbolScopeImpl scope, GenericParamContext gpContext, uint variableList, uint variableListEnd)
{
if (variableList == 0)
{
return;
}
Debug.Assert(variableList <= variableListEnd);
if (variableList >= variableListEnd)
{
return;
}
var table = pdbMetaData.TablesStream.LocalVariableTable;
Debug.Assert(table.IsValidRID(variableListEnd - 1));
if (!table.IsValidRID(variableListEnd - 1))
{
return;
}
Debug.Assert(table.IsValidRID(variableList));
if (!table.IsValidRID(variableList))
{
return;
}
var custInfos = ListCache <PdbCustomDebugInfo> .AllocList();
for (uint rid = variableList; rid < variableListEnd; rid++)
{
int token = new MDToken(Table.LocalVariable, rid).ToInt32();
custInfos.Clear();
GetCustomDebugInfos(token, gpContext, custInfos);
var customDebugInfos = custInfos.Count == 0 ? emptyPdbCustomDebugInfos : custInfos.ToArray();
ushort attributes, index;
var nameOffset = pdbMetaData.TablesStream.ReadLocalVariableRow2(rid, out attributes, out index);
var name = pdbMetaData.StringsStream.Read(nameOffset);
scope.localsList.Add(new SymbolVariableImpl(name, ToSymbolVariableAttributes(attributes), index, customDebugInfos));
}
ListCache <PdbCustomDebugInfo> .Free(ref custInfos);
}
void ReadVariables(SymbolScopeImpl scope, GenericParamContext gpContext, RidList rids)
{
if (rids.Count == 0)
{
return;
}
var table = pdbMetadata.TablesStream.LocalVariableTable;
var custInfos = ListCache <PdbCustomDebugInfo> .AllocList();
for (int i = 0; i < rids.Count; i++)
{
var rid = rids[i];
int token = new MDToken(Table.LocalVariable, rid).ToInt32();
custInfos.Clear();
GetCustomDebugInfos(token, gpContext, custInfos);
var customDebugInfos = custInfos.Count == 0 ? Array2.Empty <PdbCustomDebugInfo>() : custInfos.ToArray();
bool b = pdbMetadata.TablesStream.TryReadLocalVariableRow(rid, out var row);
Debug.Assert(b);
var name = pdbMetadata.StringsStream.Read(row.Name);
scope.localsList.Add(new SymbolVariableImpl(name, ToSymbolVariableAttributes(row.Attributes), row.Index, customDebugInfos));
}
ListCache <PdbCustomDebugInfo> .Free(ref custInfos);
}