// Load the local variable information.
private void LoadVariables()
{
SymInfoEnumerator e;
int nameIndex, index;
int start, end;
SymScope childScope;
e = new SymInfoEnumerator(reader, token);
while (e.MoveNext())
{
if (e.Type == SymReader.DataType_LocalVariables)
{
// Local variables within the root scope.
while ((nameIndex = e.GetNextInt()) != -1)
{
index = e.GetNextInt();
rootScope.AddLocal
(reader.ReadString(nameIndex), index);
}
}
else if (e.Type == SymReader.DataType_LocalVariablesOffsets)
{
// Local variables within a child scope.
start = e.GetNextInt();
end = e.GetNextInt();
childScope = rootScope.FindScope(end, start);
while ((nameIndex = e.GetNextInt()) != -1)
{
index = e.GetNextInt();
childScope.AddLocal
(reader.ReadString(nameIndex), index);
}
}
}
}
internal SymReader(String filename, byte[] data)
{
// Store the parameters for later.
this.filename = filename;
this.data = data;
// We need the UTF8 encoding object to decode strings.
utf8 = Encoding.UTF8;
// Read and validate the header.
if (data.Length < 24)
{
throw new ArgumentException();
}
if (data[0] != (byte)'I' ||
data[1] != (byte)'L' ||
data[2] != (byte)'D' ||
data[3] != (byte)'B' ||
data[4] != (byte)0x01 ||
data[5] != (byte)0x00 ||
data[6] != (byte)0x00 ||
data[7] != (byte)0x00)
{
throw new ArgumentException();
}
indexOffset = Utils.ReadInt32(data, 8);
numIndexEntries = Utils.ReadInt32(data, 12);
stringOffset = Utils.ReadInt32(data, 16);
stringLength = Utils.ReadInt32(data, 20);
if (indexOffset < 24 || indexOffset >= data.Length)
{
throw new ArgumentException();
}
if (numIndexEntries < 0 ||
((data.Length - indexOffset) / 8) < numIndexEntries)
{
throw new ArgumentException();
}
if (stringOffset < 24 || stringOffset >= data.Length)
{
throw new ArgumentException();
}
if (stringLength <= 0 ||
stringLength > (data.Length - stringOffset) ||
data[stringOffset + stringLength - 1] != 0)
{
throw new ArgumentException();
}
// Get the link directory, if specified.
SymInfoEnumerator e = new SymInfoEnumerator(this, "LDIR");
if (e.MoveNext())
{
linkDirectory = ReadString(e.GetNextInt());
}
}
public virtual ISymbolDocument[] GetDocuments()
{
// Bail out early if we already loaded the document list.
if (documents != null)
{
return(documents);
}
// Read the document information list from the symbol data.
ArrayList list = new ArrayList();
SymInfoEnumerator e = new SymInfoEnumerator(this);
String filename;
ISymbolDocument doc;
while (e.MoveNext())
{
if (e.Type == DataType_LineColumn ||
e.Type == DataType_LineOffsets ||
e.Type == DataType_LineColumnOffsets)
{
filename = ReadString(e.GetNextInt());
doc = GetDocument(filename);
if (doc != null && !list.Contains(doc))
{
list.Add(doc);
}
}
}
// Return the final document list.
documents = new ISymbolDocument [list.Count];
int index = 0;
foreach (ISymbolDocument d in list)
{
documents[index++] = d;
}
return(documents);
}
// Load the sequence point information.
private void LoadSequencePoints()
{
SymInfoEnumerator e;
String filename;
ISymbolDocument document;
int line, column, offset;
// Bail out if we have already loaded the sequence points.
if(sequencePoints != null)
{
return;
}
// Create the sequence point list.
sequencePoints = new ArrayList();
// Load the sequence point information.
e = new SymInfoEnumerator(reader, token);
while(e.MoveNext())
{
if(e.Type == SymReader.DataType_LineColumn)
{
// Block contains line and column values only.
filename = reader.ReadString(e.GetNextInt());
document = reader.GetDocument(filename);
while((line = e.GetNextInt()) != -1)
{
column = e.GetNextInt();
sequencePoints.Add
(new SequencePoint(0, document, line, column));
}
}
else if(e.Type == SymReader.DataType_LineOffsets)
{
// Block contains line and offset values only.
filename = reader.ReadString(e.GetNextInt());
document = reader.GetDocument(filename);
while((line = e.GetNextInt()) != -1)
{
offset = e.GetNextInt();
sequencePoints.Add
(new SequencePoint(offset, document, line, 0));
}
}
else if(e.Type == SymReader.DataType_LineColumnOffsets)
{
// Block contains line, column, and offset values.
filename = reader.ReadString(e.GetNextInt());
document = reader.GetDocument(filename);
while((line = e.GetNextInt()) != -1)
{
column = e.GetNextInt();
offset = e.GetNextInt();
sequencePoints.Add
(new SequencePoint
(offset, document, line, column));
}
}
}
// Sort the sequence points on ascending offset.
sequencePoints.Sort(new SequencePointComparer());
}
// Load the local variable information.
private void LoadVariables()
{
SymInfoEnumerator e;
int nameIndex, index;
int start, end;
SymScope childScope;
e = new SymInfoEnumerator(reader, token);
while(e.MoveNext())
{
if(e.Type == SymReader.DataType_LocalVariables)
{
// Local variables within the root scope.
while((nameIndex = e.GetNextInt()) != -1)
{
index = e.GetNextInt();
rootScope.AddLocal
(reader.ReadString(nameIndex), index);
}
}
else if(e.Type == SymReader.DataType_LocalVariablesOffsets)
{
// Local variables within a child scope.
start = e.GetNextInt();
end = e.GetNextInt();
childScope = rootScope.FindScope(end, start);
while((nameIndex = e.GetNextInt()) != -1)
{
index = e.GetNextInt();
childScope.AddLocal
(reader.ReadString(nameIndex), index);
}
}
}
}
// Load the sequence point information.
private void LoadSequencePoints()
{
SymInfoEnumerator e;
String filename;
ISymbolDocument document;
int line, column, offset;
// Bail out if we have already loaded the sequence points.
if (sequencePoints != null)
{
return;
}
// Create the sequence point list.
sequencePoints = new ArrayList();
// Load the sequence point information.
e = new SymInfoEnumerator(reader, token);
while (e.MoveNext())
{
if (e.Type == SymReader.DataType_LineColumn)
{
// Block contains line and column values only.
filename = reader.ReadString(e.GetNextInt());
document = reader.GetDocument(filename);
while ((line = e.GetNextInt()) != -1)
{
column = e.GetNextInt();
sequencePoints.Add
(new SequencePoint(0, document, line, column));
}
}
else if (e.Type == SymReader.DataType_LineOffsets)
{
// Block contains line and offset values only.
filename = reader.ReadString(e.GetNextInt());
document = reader.GetDocument(filename);
while ((line = e.GetNextInt()) != -1)
{
offset = e.GetNextInt();
sequencePoints.Add
(new SequencePoint(offset, document, line, 0));
}
}
else if (e.Type == SymReader.DataType_LineColumnOffsets)
{
// Block contains line, column, and offset values.
filename = reader.ReadString(e.GetNextInt());
document = reader.GetDocument(filename);
while ((line = e.GetNextInt()) != -1)
{
column = e.GetNextInt();
offset = e.GetNextInt();
sequencePoints.Add
(new SequencePoint
(offset, document, line, column));
}
}
}
// Sort the sequence points on ascending offset.
sequencePoints.Sort(new SequencePointComparer());
}
public virtual ISymbolMethod GetMethodFromDocumentPosition
(ISymbolDocument document, int line, int column)
{
if (document == null || document.URL == null)
{
return(null);
}
SymInfoEnumerator e = new SymInfoEnumerator(this);
String filename;
ISymbolDocument doc;
int tempLine, tempColumn, tempOffset;
int closestBelow = 0;
int closestBelowToken = 0;
while (e.MoveNext())
{
// We only check on line because column values
// are likely to be inaccurate.
if (e.Type == DataType_LineColumn)
{
filename = ReadString(e.GetNextInt());
doc = GetDocument(filename);
if (doc != null && doc.URL == document.URL)
{
while ((tempLine = e.GetNextInt()) != -1)
{
tempColumn = e.GetNextInt();
if (tempLine == line)
{
return(GetMethod(new SymbolToken(e.Token)));
}
else if (tempLine < line &&
tempLine > closestBelow)
{
closestBelow = tempLine;
closestBelowToken = e.Token;
}
}
}
}
else if (e.Type == DataType_LineOffsets)
{
filename = ReadString(e.GetNextInt());
doc = GetDocument(filename);
if (doc != null && doc.URL == document.URL)
{
while ((tempLine = e.GetNextInt()) != -1)
{
tempOffset = e.GetNextInt();
if (tempLine == line)
{
return(GetMethod(new SymbolToken(e.Token)));
}
else if (tempLine < line &&
tempLine > closestBelow)
{
closestBelow = tempLine;
closestBelowToken = e.Token;
}
}
}
}
else if (e.Type == DataType_LineColumnOffsets)
{
filename = ReadString(e.GetNextInt());
doc = GetDocument(filename);
if (doc != null && doc.URL == document.URL)
{
while ((tempLine = e.GetNextInt()) != -1)
{
tempColumn = e.GetNextInt();
tempOffset = e.GetNextInt();
if (tempLine == line)
{
return(GetMethod(new SymbolToken(e.Token)));
}
else if (tempLine < line &&
tempLine > closestBelow)
{
closestBelow = tempLine;
closestBelowToken = e.Token;
}
}
}
}
}
if (closestBelowToken != 0)
{
// Return the closest match that we found in the
// document that is below the specified line.
return(GetMethod(new SymbolToken(closestBelowToken)));
}
return(null);
}
internal SymReader(String filename, byte[] data)
{
// Store the parameters for later.
this.filename = filename;
this.data = data;
// We need the UTF8 encoding object to decode strings.
utf8 = Encoding.UTF8;
// Read and validate the header.
if(data.Length < 24)
{
throw new ArgumentException();
}
if(data[0] != (byte)'I' ||
data[1] != (byte)'L' ||
data[2] != (byte)'D' ||
data[3] != (byte)'B' ||
data[4] != (byte)0x01 ||
data[5] != (byte)0x00 ||
data[6] != (byte)0x00 ||
data[7] != (byte)0x00)
{
throw new ArgumentException();
}
indexOffset = Utils.ReadInt32(data, 8);
numIndexEntries = Utils.ReadInt32(data, 12);
stringOffset = Utils.ReadInt32(data, 16);
stringLength = Utils.ReadInt32(data, 20);
if(indexOffset < 24 || indexOffset >= data.Length)
{
throw new ArgumentException();
}
if(numIndexEntries < 0 ||
((data.Length - indexOffset) / 8) < numIndexEntries)
{
throw new ArgumentException();
}
if(stringOffset < 24 || stringOffset >= data.Length)
{
throw new ArgumentException();
}
if(stringLength <= 0 ||
stringLength > (data.Length - stringOffset) ||
data[stringOffset + stringLength - 1] != 0)
{
throw new ArgumentException();
}
// Get the link directory, if specified.
SymInfoEnumerator e = new SymInfoEnumerator(this, "LDIR");
if(e.MoveNext())
{
linkDirectory = ReadString(e.GetNextInt());
}
}
public virtual ISymbolMethod GetMethodFromDocumentPosition
(ISymbolDocument document, int line, int column)
{
if(document == null || document.URL == null)
{
return null;
}
SymInfoEnumerator e = new SymInfoEnumerator(this);
String filename;
ISymbolDocument doc;
int tempLine, tempColumn, tempOffset;
int closestBelow = 0;
int closestBelowToken = 0;
while(e.MoveNext())
{
// We only check on line because column values
// are likely to be inaccurate.
if(e.Type == DataType_LineColumn)
{
filename = ReadString(e.GetNextInt());
doc = GetDocument(filename);
if(doc != null && doc.URL == document.URL)
{
while((tempLine = e.GetNextInt()) != -1)
{
tempColumn = e.GetNextInt();
if(tempLine == line)
{
return GetMethod(new SymbolToken(e.Token));
}
else if(tempLine < line &&
tempLine > closestBelow)
{
closestBelow = tempLine;
closestBelowToken = e.Token;
}
}
}
}
else if(e.Type == DataType_LineOffsets)
{
filename = ReadString(e.GetNextInt());
doc = GetDocument(filename);
if(doc != null && doc.URL == document.URL)
{
while((tempLine = e.GetNextInt()) != -1)
{
tempOffset = e.GetNextInt();
if(tempLine == line)
{
return GetMethod(new SymbolToken(e.Token));
}
else if(tempLine < line &&
tempLine > closestBelow)
{
closestBelow = tempLine;
closestBelowToken = e.Token;
}
}
}
}
else if(e.Type == DataType_LineColumnOffsets)
{
filename = ReadString(e.GetNextInt());
doc = GetDocument(filename);
if(doc != null && doc.URL == document.URL)
{
while((tempLine = e.GetNextInt()) != -1)
{
tempColumn = e.GetNextInt();
tempOffset = e.GetNextInt();
if(tempLine == line)
{
return GetMethod(new SymbolToken(e.Token));
}
else if(tempLine < line &&
tempLine > closestBelow)
{
closestBelow = tempLine;
closestBelowToken = e.Token;
}
}
}
}
}
if(closestBelowToken != 0)
{
// Return the closest match that we found in the
// document that is below the specified line.
return GetMethod(new SymbolToken(closestBelowToken));
}
return null;
}
public virtual ISymbolDocument[] GetDocuments()
{
// Bail out early if we already loaded the document list.
if(documents != null)
{
return documents;
}
// Read the document information list from the symbol data.
ArrayList list = new ArrayList();
SymInfoEnumerator e = new SymInfoEnumerator(this);
String filename;
ISymbolDocument doc;
while(e.MoveNext())
{
if(e.Type == DataType_LineColumn ||
e.Type == DataType_LineOffsets ||
e.Type == DataType_LineColumnOffsets)
{
filename = ReadString(e.GetNextInt());
doc = GetDocument(filename);
if(doc != null && !list.Contains(doc))
{
list.Add(doc);
}
}
}
// Return the final document list.
documents = new ISymbolDocument [list.Count];
int index = 0;
foreach(ISymbolDocument d in list)
{
documents[index++] = d;
}
return documents;
}
