public void Import(Instruction instruction, ImportContext context, IILImporterProxy importer)
{
int index = GetIndex(instruction);
var localNumber = importer.ParameterCount + index;
var localVariable = importer.LocalVariableTable[localNumber];
var node = new LocalVariableEntry(localNumber, localVariable.Kind, localVariable.ExactSize);
importer.PushExpression(node);
}
public void Import(Instruction instruction, ImportContext context, IILImporterProxy importer)
{
var index = GetIndex(instruction);
var lclNum = MapIlArgNum(index, importer.ReturnBufferArgIndex);
var argument = importer.LocalVariableTable[lclNum];
var node = new LocalVariableEntry(lclNum, argument.Kind, argument.ExactSize);
importer.PushExpression(node);
}
private static void ReadLocalVariables(MethodEntry entry, MethodSymbols symbols)
{
LocalVariableEntry[] locals = entry.GetLocals();
for (int i = 0; i < locals.Length; i++)
{
LocalVariableEntry local = locals[i];
VariableDefinition variable = symbols.Variables[local.Index];
variable.Name = local.Name;
}
}
public LocalVariableEntry[] GetLocalVars()
{
System.IO.MemoryStream str = new System.IO.MemoryStream();
int i = 0;
int num_locals = ((Hashtable)named_local_tables [current_scope_depth]).Count;
LocalVariableEntry[] locals = new LocalVariableEntry[num_locals];
foreach (Local local in local_list)
{
if (local.Name != null) // only named variables
{
locals[i++] = new LocalVariableEntry(local.Slot, local.Name, 0);
}
}
return(locals);
}
public void Import(Instruction instruction, ImportContext context, IILImporterProxy importer)
{
var methodDefOrRef = instruction.Operand as IMethodDefOrRef;
var methodToCall = methodDefOrRef.ResolveMethodDefThrow();
var declType = methodToCall.DeclaringType;
var objType = declType.ToTypeSig();
var objKind = objType.GetStackValueKind();
var objSize = objType.GetExactSize();
if (declType.IsValueType)
{
// Allocate memory on the stack for the value type as a temp local variable
var lclNum = importer.GrabTemp(objKind, objSize);
var newObjThisPtr = new LocalVariableAddressEntry(lclNum);
// Call the valuetype constructor
CallImporter.ImportCall(instruction, context, importer, newObjThisPtr);
var node = new LocalVariableEntry(lclNum, objKind, objSize);
importer.PushExpression(node);
}
else
{
// Allocate memory for object
var op1 = new AllocObjEntry((int)declType.ClassSize, objKind);
// Store allocated memory address into a temp local variable
var lclNum = importer.GrabTemp(objKind, objSize);
var asg = new StoreLocalVariableEntry(lclNum, false, op1);
importer.ImportAppendTree(asg);
// Call the constructor
var newObjThisPtr = new LocalVariableEntry(lclNum, objKind, objSize);
CallImporter.ImportCall(instruction, context, importer, newObjThisPtr);
// Push a local variable entry corresponding to the object here
var node = new LocalVariableEntry(lclNum, objKind, objSize);
importer.PushExpression(node);
}
}
private static void ReadLocalVariables(MethodEntry entry, MethodBody body, Scope[] scopes)
{
LocalVariableEntry[] locals = entry.GetLocals();
LocalVariableEntry[] array = locals;
for (int i = 0; i < array.Length; i++)
{
LocalVariableEntry local = array[i];
VariableDefinition variable = body.Variables[local.Index];
variable.Name = local.Name;
int index = local.BlockIndex;
if (index >= 0 && index < scopes.Length)
{
Scope scope = scopes[index];
if (scope != null)
{
scope.Variables.Add(variable);
}
}
}
}
public void Visit(LocalVariableEntry entry)
{
_sb.AppendLine($"t{entry.TreeID,-3} = lclVar {entry.Kind} V{entry.LocalNumber}");
}
public void Visit(LocalVariableEntry entry)
{
_genericStackEntryVisitor.Visit <LocalVariableEntry>(entry);
}
public void Visit(LocalVariableEntry entry)
{
SetNext(entry);
}
public static void ImportCall(Instruction instruction, ImportContext context, IILImporterProxy importer, StackEntry?newObjThis = null)
{
var methodDefOrRef = instruction.Operand as IMethodDefOrRef;
var methodToCall = methodDefOrRef.ResolveMethodDefThrow();
var arguments = new List <StackEntry>();
var firstArgIndex = newObjThis != null ? 1 : 0;
for (var i = firstArgIndex; i < methodToCall.Parameters.Count; i++)
{
var argument = importer.PopExpression();
arguments.Add(argument);
}
// Add the this pointer if required, e.g. if part of newobj
if (newObjThis != null)
{
arguments.Add(newObjThis);
}
arguments.Reverse();
// Intrinsic calls
if (methodToCall.IsIntrinsic())
{
if (!ImportIntrinsicCall(methodToCall, arguments, importer))
{
throw new NotSupportedException("Unknown intrinsic");
}
return;
}
string targetMethod;
if (methodToCall.IsPinvokeImpl)
{
targetMethod = methodToCall.ImplMap.Name;
}
else
{
targetMethod = context.NameMangler.GetMangledMethodName(methodToCall);
}
int returnBufferArgIndex = 0;
var returnType = methodToCall.ReturnType;
if (methodToCall.HasReturnType)
{
if (returnType.IsStruct())
{
returnBufferArgIndex = FixupCallStructReturn(returnType, arguments, importer, methodToCall.HasThis);
}
}
int?returnTypeSize = methodToCall.HasReturnType ? returnType.GetExactSize() : null;
var callNode = new CallEntry(targetMethod, arguments, returnType.GetStackValueKind(), returnTypeSize);
if (!methodToCall.HasReturnType)
{
importer.ImportAppendTree(callNode);
}
else
{
if (returnType.IsStruct())
{
importer.ImportAppendTree(callNode);
// Load return buffer to stack
var loadTemp = new LocalVariableEntry(returnBufferArgIndex, returnType.GetStackValueKind(), returnType.GetExactSize());
importer.PushExpression(loadTemp);
}
else
{
importer.PushExpression(callNode);
}
}
}
public MethodEntry DefineMethod(CompileUnitEntry comp_unit, int token,
ScopeVariable[] scope_vars, LocalVariableEntry[] locals,
LineNumberEntry[] lines, CodeBlockEntry[] code_blocks,
string real_name, MethodEntry.Flags flags,
int namespace_id)
{
if (reader != null)
throw new InvalidOperationException ();
MethodEntry method = new MethodEntry (
this, comp_unit, token, scope_vars, locals, lines, code_blocks,
real_name, flags, namespace_id);
AddMethod (method);
return method;
}
public void Visit(LocalVariableEntry entry)
{
Print($"LCL_VAR {entry.Kind} V{entry.LocalNumber}");
}
