private void ReadLineNumbers(MethodEntry entry, MethodSymbols symbols)
{
LineNumberTable table = entry.GetLineNumberTable();
LineNumberEntry[] lines = table.LineNumbers;
Collection <InstructionSymbol> instructions = symbols.instructions = new Collection <InstructionSymbol>(lines.Length);
for (int i = 0; i < lines.Length; i++)
{
LineNumberEntry line = lines[i];
instructions.Add(new InstructionSymbol(line.Offset, new SequencePoint(this.GetDocument(entry.CompileUnit.SourceFile))
{
StartLine = line.Row,
EndLine = line.Row
}));
}
}
void ReadLineNumbers(MethodEntry entry, IDictionary instructions)
{
LineNumberTable lnt = entry.GetLineNumberTable();
foreach (LineNumberEntry line in lnt.LineNumbers)
{
Instruction instr = instructions [line.Offset] as Instruction;
if (instr == null)
{
continue;
}
Document doc = GetDocument(entry.CompileUnit.SourceFile);
instr.SequencePoint = new SequencePoint(doc);
instr.SequencePoint.StartLine = line.Row;
instr.SequencePoint.EndLine = line.Row;
}
}
public static AttributeInfo Read(ClassReader classReader, ConstantPool constantPool)
{
ushort attributeNameIndex = classReader.ReadU2();
string attributeName = Encoding.UTF8.GetString(((ConstantUtf8)constantPool.ConstantPoolInfo[attributeNameIndex]).Bytes);
AttributeInfo attributeInfo = null;
switch (attributeName)
{
case "ConstantValue":
attributeInfo = new ConstantValue(); break;
case "Code":
attributeInfo = new Code(); break;
case "Deprecated":
attributeInfo = new Deprecated(); break;
case "LineNumberTable":
attributeInfo = new LineNumberTable(); break;
case "LocalVariableTable":
attributeInfo = new LocalVariableTable(); break;
case "SourceFile":
attributeInfo = new SourceFile(); break;
case "Synthetic":
attributeInfo = new Synthetic(); break;
case "Exceptions":
attributeInfo = new Exceptions(); break;
case "Signature":
attributeInfo = new Signature(); break;
//case "StackMapTable":
// attributeInfo = null;
default:
throw new Exception("no such attribute error");
}
attributeInfo.AttributeName = attributeName;
attributeInfo.ReadAttributeInfo(classReader, constantPool);
return(attributeInfo);
}
/// <summary>
/// Provides the method mapping for the specified MDB method.
/// </summary>
/// <param name="mdbMethod">The MDB MethodEntry to get the mapping for.</param>
private MethodMapping GetMapping(MethodEntry mdbMethod)
{
var methodMapping = new MethodMapping()
{
MethodToken = (uint)mdbMethod.Token,
SourceFile = mdbMethod.CompileUnit.SourceFile.FileName
};
LineNumberTable lineNumberTable = mdbMethod.GetLineNumberTable();
if (lineNumberTable != null)
{
LineNumberEntry[] lines = lineNumberTable.LineNumbers;
if (lines != null && lines.Length > 0)
{
methodMapping.StartLine = (uint)lines[0].Row;
methodMapping.EndLine = (uint)lines[lines.Length - 1].Row;
}
}
return(methodMapping);
}
private void ReadLineNumbers(MethodEntry entry, InstructionMapper mapper)
{
Document document = null;
LineNumberTable table = entry.GetLineNumberTable();
LineNumberEntry[] lineNumbers = table.LineNumbers;
for (int i = 0; i < lineNumbers.Length; i++)
{
LineNumberEntry line = lineNumbers[i];
Instruction instruction = mapper(line.Offset);
if (instruction != null)
{
if (document == null)
{
document = this.GetDocument(entry.CompileUnit.SourceFile);
}
instruction.SequencePoint = new SequencePoint(document)
{
StartLine = line.Row,
EndLine = line.Row
};
}
}
}
private void GenerateDebugInfo(int prologSize)
{
Messages.Verbose(" Generating debug info...");
sourceFileNameCounter = new Counter <string>();
Messages.Verbose(" Generating LocalVariableTable...");
#region LocalVariableTable
LocalVariableTable varTable = new LocalVariableTable();
for (int i = 0; i < nextVarIndex; i++)
{
LocalVariableTable.LocalVariable varDesc = new LocalVariableTable.LocalVariable();
varDesc.Index = (ushort)i;
ILVariable ilVar = var2Index.Where(K => K.Value == i).FirstOrDefault().Key;
if ((ilVar != null) && (ilVar.Name != ClassNames.VarArgParamName))
{
varDesc.Name = null;
if (ilVar.IsGenerated)
{
varDesc.Name = "gen_" + i.ToString();
}
else if (ilVar.IsParameter)
{
varDesc.Name = ilVar.OriginalParameter.Name;
}
else if (ilVar.OriginalVariable != null)
{
varDesc.Name = ilVar.OriginalVariable.Name;
}
if ((varDesc.Name == null) || (varDesc.Name.Length == 0))
{
varDesc.Name = ilVar.Name ?? "unknown_" + i.ToString();
}
if (ilVar.Name == "this")
{
if (thisMethod.DeclaringType.IsPrimitive)
{
varDesc.Descriptor = "L" + namesController.TypeNameToJava(thisMethod.DeclaringType.CILBoxType) + ";";
}
else
{
varDesc.Descriptor = namesController.GetFieldDescriptor(thisMethod.DeclaringType);
}
}
else
{
varDesc.Descriptor = namesController.GetFieldDescriptor(resolver.Resolve(ilVar.Type, thisMethod.FullGenericArguments));
}
varDesc.StartPC = 0;
varDesc.Length = (ushort)resultCode.CodeBytes.Length;
varTable.Table.Add(varDesc);
}
else if ((ilVar != null) && (ilVar.Name == ClassNames.VarArgParamName))
{
varDesc.Name = ClassNames.VarArgParamName;
varDesc.Descriptor = "Ljava/lang/Object;";
varDesc.StartPC = 0;
varDesc.Length = (ushort)resultCode.CodeBytes.Length;
varTable.Table.Add(varDesc);
}
else
{
var tmpVarsList = tempVars.Where(TV => TV.index == i);
int additionalIndex = 0;
foreach (var tmpVar in tmpVarsList)
{
varDesc.Name = "temp_" + i.ToString() + "_" + (additionalIndex++).ToString();
switch (tmpVar.type)
{
case JavaPrimitiveType.Bool: varDesc.Descriptor = "Z"; break;
case JavaPrimitiveType.Byte: varDesc.Descriptor = "B"; break;
case JavaPrimitiveType.Char: varDesc.Descriptor = "C"; break;
case JavaPrimitiveType.Double: varDesc.Descriptor = "D"; break;
case JavaPrimitiveType.Float: varDesc.Descriptor = "F"; break;
case JavaPrimitiveType.Int: varDesc.Descriptor = "I"; break;
case JavaPrimitiveType.Long: varDesc.Descriptor = "J"; break;
case JavaPrimitiveType.Short: varDesc.Descriptor = "S"; break;
default: varDesc.Descriptor = "Ljava/lang/Object;"; break;
}
int start = oldCodeGenerator.GetInstructionOffset(tmpVar.startInstr) + prologSize;
int end = resultCode.CodeBytes.Length;
if (tmpVar.endInstr >= 0)
{
end = oldCodeGenerator.GetInstructionOffset(tmpVar.endInstr) + prologSize;
}
varDesc.StartPC = (ushort)(start);
varDesc.Length = (ushort)(end - start);
varTable.Table.Add(varDesc);
}
}
}
resultCode.Attributes.Add(varTable);
#endregion
Messages.Verbose(" Generating LineNumberTable...");
#region LineNumberTable
LineNumberTable linesTable = new LineNumberTable();
int lastLine = -1;
var methodInstructions = thisMethod.Body.Instructions;
foreach (var i in oldCodeGenerator.EnumerateInstructions())
{
ILExpression tag = i.Item2.Tag as ILExpression;
if (tag == null)
{
continue;
}
if ((tag.ILRanges == null) || (tag.ILRanges.Count == 0))
{
continue;
}
int minRange = tag.ILRanges.Min(R => R.From);
int maxRange = tag.ILRanges.Max(R => R.To);
var ilInstruction = methodInstructions.Where(I => I.Offset >= minRange && I.Offset < maxRange).LastOrDefault();
if (ilInstruction == null)
{
continue;
}
if (ilInstruction.SequencePoint == null)
{
continue;
}
int line = ilInstruction.SequencePoint.StartLine;
sourceFileNameCounter.Add(ilInstruction.SequencePoint.Document.Url);
if (line == lastLine)
{
continue;
}
linesTable.Table.Add(new LineNumberTable.LineNumber((ushort)(i.Item1 + prologSize), (ushort)line));
lastLine = line;
}
resultCode.Attributes.Add(linesTable);
#endregion
}
protected void CheckMethod(MethodEntry method)
{
Cecil.MethodDefinition mdef = (Cecil.MethodDefinition)Assembly.MainModule.LookupToken(
new Cecil.MetadataToken(Cecil.TokenType.Method, method.Token & 0xffffff));
if ((mdef == null) || (mdef.Body == null))
{
throw new MonoSymbolFileException("Method {0} (token {1:x}) not found in assembly.",
method.Index, method.Token);
}
string name = String.Format("{0} ({1})", method.Index, GetMethodName(mdef));
Debug("[Method {0} - {1} - {2}]", method.Index, method.CompileUnit.SourceFile.FileName,
GetMethodName(mdef));
LineNumberTable lnt = method.GetLineNumberTable();
if (lnt == null)
{
throw new MonoSymbolFileException("Cannot get LNT from method {0}.", name);
}
if (lnt.LineNumbers == null)
{
throw new MonoSymbolFileException("Cannot get LNT from method {0}.", name);
}
LineNumberEntry start, end;
if (lnt.GetMethodBounds(out start, out end))
{
Debug(" Bounds: {0} {1}", start, end);
}
foreach (LineNumberEntry line in lnt.LineNumbers)
{
Debug(" Line: {0}", line);
}
CodeBlockEntry[] blocks = method.GetCodeBlocks() ?? new CodeBlockEntry [0];
foreach (CodeBlockEntry block in blocks)
{
if ((block.Parent >= 0) && (block.Parent >= blocks.Length))
{
throw new MonoSymbolFileException(
"Code block {0} in method {1} has invalid parent index {2} (valid is 0..{3}).",
block, name, block.Parent, blocks.Length);
}
}
LocalVariableEntry[] locals = method.GetLocals() ?? new LocalVariableEntry [0];
foreach (LocalVariableEntry local in locals)
{
if ((local.BlockIndex < 0) || ((local.BlockIndex > 0) && (local.BlockIndex > blocks.Length)))
{
throw new MonoSymbolFileException(
"Local variable {0} in method {1} has invalid block index {2} (valid is 0..{3}).",
local, name, local.BlockIndex, blocks.Length);
}
Debug(" Local: {0}", local);
}
int num_locals = mdef.Body.Variables.Count;
ScopeVariable[] scope_vars = method.GetScopeVariables() ?? new ScopeVariable [0];
foreach (ScopeVariable var in scope_vars)
{
Debug(" Scope var: {0}", var);
if ((mdef.IsStatic) && (var.Index < 0))
{
throw new MonoSymbolFileException(
"Method {0} has invalid scope variable {1} (referencing `this' in static method).",
name, var);
}
if ((var.Index >= 0) && (var.Index >= num_locals))
{
throw new MonoSymbolFileException(
"Method {0} has invalid scope variable {1} (index out of bounds: {2} / {3}).",
name, var, var.Index, num_locals);
}
if ((var.Scope > 0) && (File.GetAnonymousScope(var.Scope) == null))
{
throw new MonoSymbolFileException(
"Method {0} has invalid scope variable {1} (can't find scope {2}).",
name, var, var.Scope);
}
}
}
public void PrintLineNumberTables()
{
Message("Reading {0}, version {1}.{2}.", File.FileName, File.MajorVersion,
File.MinorVersion);
for (int i = 0; i < File.MethodCount; i++)
{
if (LineNumberTables.Count > 0)
{
if (!LineNumberTables.ContainsKey(i + 1))
{
continue;
}
}
MethodEntry method = File.GetMethod(i + 1);
if (method == null)
{
throw new MonoSymbolFileException("Cannot get method {0}.", i + 1);
}
Cecil.MethodDefinition mdef = (Cecil.MethodDefinition)Assembly.MainModule.LookupToken(
new Cecil.MetadataToken(Cecil.TokenType.Method, method.Token & 0xffffff));
if ((mdef == null) || (mdef.Body == null))
{
throw new MonoSymbolFileException("Method {0} (token {1:x}) not found in assembly.",
method.Index, method.Token);
}
string name = String.Format("{0} ({1})", method.Index, GetMethodName(mdef));
Message("Method {0} - {1}", method.Index, GetMethodName(mdef));
LineNumberTable lnt = method.GetLineNumberTable();
if (lnt == null)
{
throw new MonoSymbolFileException("Cannot get LNT from method {0}.", name);
}
if (lnt.LineNumbers == null)
{
throw new MonoSymbolFileException("Cannot get LNT from method {0}.", name);
}
Dictionary <int, bool> seen_files = new Dictionary <int, bool> ();
LineNumberEntry start, end;
if (lnt.GetMethodBounds(out start, out end))
{
Message(" Bounds: {0} {1}", start, end);
}
foreach (LineNumberEntry line in lnt.LineNumbers)
{
if (!line.IsHidden && !seen_files.ContainsKey(line.File))
{
SourceFileEntry file = File.GetSourceFile(line.File);
Message(" File {0}{2}: {1}", file.Index, file.FileName,
file.AutoGenerated ? " (auto-generated)" : "");
seen_files.Add(line.File, true);
}
string range = "";
if (line.SourceRange != null)
{
SourceRangeEntry sre = (SourceRangeEntry)line.SourceRange;
range = String.Format(" - {0} {1} {2} {3}", sre.StartLine, sre.EndLine,
sre.StartColumn, sre.EndColumn);
}
Message(" Line {0}:{1}:{2:x}{3}{4}", line.File, line.Row, line.Offset,
line.IsHidden ? " (hidden)" : "", range);
}
}
}
