public TableSet(int line, Expression table, Expression index, Expression @value, bool isTable, int timestamp) : base(line)
{
this.table = table;
this.index = index;
this.value = @value;
this.isTable = isTable;
this.timestamp = timestamp;
}
public TableSet(int line, Expression table, Expression index, Expression @value, bool isTable, int timestamp) : base(line)
{
this.table = table;
this.index = index;
this.value = @value;
this.isTable = isTable;
this.timestamp = timestamp;
}
public RegisterSet(int line, int register, Expression @value) : base(line)
{
this.register = register;
this.value = @value;
//
// if(value.isMultiple()) {
// System.out.println("-- multiple @" + register);
// }
//
}
public RegisterSet(int line, int register, Expression @value) : base(line)
{
this.register = register;
this.value = @value;
//
// if(value.isMultiple()) {
// System.out.println("-- multiple @" + register);
// }
//
}
public virtual void addLast(Target target, Expression @value)
{
if(targets.Contains(target))
{
int index = targets.IndexOf(target);
targets.RemoveAt(index);
@value = values[index];
values.RemoveAt(index);
}
targets.Add(target);
values.Add(@value);
allnil = allnil && @value.isNil();
}
public override Expression asExpression(Registers r)
{
bool transpose = false;
Expression leftExpression = r.getKExpression(left, line);
Expression rightExpression = r.getKExpression(right, line);
if (((left | right) & 256) == 0)
{
transpose = r.getUpdated(left, line) > r.getUpdated(right, line);
}
else
{
transpose = rightExpression.getConstantIndex() < leftExpression.getConstantIndex();
}
string op = !transpose ? "<=" : ">=";
Expression rtn = new BinaryExpression(op, !transpose ? leftExpression : rightExpression, !transpose ? rightExpression : leftExpression, Expression.PRECEDENCE_COMPARE, Expression.ASSOCIATIVITY_LEFT);
if (_invert)
{
rtn = new UnaryExpression("not ", rtn, Expression.PRECEDENCE_UNARY);
}
return(rtn);
}
public UpvalueSet(int line, string upvalue, Expression @value) : base(line)
{
target = new UpvalueTarget(upvalue);
this.value = @value;
}
public virtual void setValue(int register, int line, Expression expression)
{
values[register,line] = expression;
updated[register,line] = line;
}
public IfThenEndBlockOperation(int line, Assignment _assign, Expression _expr)
: base(line)
{
assign = _assign;
expr = _expr;
}
public ReturnOperation(int line, Expression[] values) : base(line)
{
this.values = values;
}
public TableTarget(Expression table, Expression index)
{
this.table = table;
this.index = index;
}
abstract public void useExpression(Expression expression);
public TableTarget(Expression table, Expression index)
{
this.table = table;
this.index = index;
}
public override void useExpression(Expression expression)
{
left.useExpression(expression);
right.useExpression(expression);
}
public UpvalueSet(int line, string upvalue, Expression @value) : base(line)
{
target = new UpvalueTarget(upvalue);
this.value = @value;
}
public virtual void addFirst(Target target, Expression @value)
{
targets.Insert(0, target);
values.Insert(0, @value);
allnil = allnil && @value.isNil();
}
public Assignment(Target target, Expression @value)
{
targets.Add(target);
values.Add(@value);
allnil = allnil && @value.isNil();
}
public ReturnOperation(int line, Expression @value) : base(line)
{
values = new Expression[1];
values[0] = @value;
}
public SetBlockOperation(int line, Target target, Expression value)
: base(line)
{
_target = target;
_value = value;
}
public override void useExpression(Expression expression)
{
// Do nothing
}
public abstract void useExpression(Expression expression);
public GlobalSet(int line, string global, Expression @value) : base(line)
{
this.global = global;
this.value = @value;
}
public ReturnOperation(int line, Expression @value) : base(line)
{
values = new Expression[1];
values[0] = @value;
}
public override void useExpression(Expression expression)
{
left.useExpression(expression);
right.useExpression(expression);
}
private List<Operation> processLine(int line)
{
List<Operation> operations = new List<Operation>();
int A = code.A(line);
int B = code.B(line);
int C = code.C(line);
int Bx = code.Bx(line);
switch(code.op(line))
{
case Op.MOVE:
operations.Add(new RegisterSet(line, A, r.getExpression(B, line)));
break;
case Op.LOADK:
operations.Add(new RegisterSet(line, A, f.getConstantExpression(Bx)));
break;
case Op.LOADBOOL:
operations.Add(new RegisterSet(line, A, new ConstantExpression(new Constant(B != 0 ? LBoolean.LTRUE : LBoolean.LFALSE), -1)));
break;
case Op.LOADNIL:
{
int maximum;
if(function.header.version.usesOldLoadNilEncoding())
{
maximum = B;
}
else
{
maximum = A + B;
}
while(A <= maximum)
{
operations.Add(new RegisterSet(line, A, Expression.NIL));
A++;
}
break;
}
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case Op.GETUPVAL:
operations.Add(new RegisterSet(line, A, upvalues.getExpression(B)));
break;
case Op.GETTABUP:
if(B == 0 && (C & 0x100) != 0)
{
operations.Add(new RegisterSet(line, A, f.getGlobalExpression(C & 0xFF))); //TODO: check
}
else
{
operations.Add(new RegisterSet(line, A, new TableReference(upvalues.getExpression(B), r.getKExpression(C, line))));
}
break;
case Op.GETGLOBAL:
operations.Add(new RegisterSet(line, A, f.getGlobalExpression(Bx)));
break;
case Op.GETTABLE:
operations.Add(new RegisterSet(line, A, new TableReference(r.getExpression(B, line), r.getKExpression(C, line))));
break;
case Op.SETUPVAL:
operations.Add(new UpvalueSet(line, upvalues.getName(B), r.getExpression(A, line)));
break;
case Op.SETTABUP:
if(A == 0 && (B & 0x100) != 0)
{
operations.Add(new GlobalSet(line, f.getGlobalName(B & 0xFF), r.getKExpression(C, line))); //TODO: check
}
else
{
operations.Add(new TableSet(line, upvalues.getExpression(A), r.getKExpression(B, line), r.getKExpression(C, line), true, line));
}
break;
case Op.SETGLOBAL:
operations.Add(new GlobalSet(line, f.getGlobalName(Bx), r.getExpression(A, line)));
break;
case Op.SETTABLE:
operations.Add(new TableSet(line, r.getExpression(A, line), r.getKExpression(B, line), r.getKExpression(C, line), true, line));
break;
case Op.NEWTABLE:
operations.Add(new RegisterSet(line, A, new TableLiteral(B, C)));
break;
case Op.SELF:
{
// We can later determine is : syntax was used by comparing subexpressions with ==
Expression common = r.getExpression(B, line);
operations.Add(new RegisterSet(line, A + 1, common));
operations.Add(new RegisterSet(line, A, new TableReference(common, r.getKExpression(C, line))));
break;
}
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case Op.ADD:
operations.Add(new RegisterSet(line, A, Expression.makeADD(r.getKExpression(B, line), r.getKExpression(C, line))));
break;
case Op.SUB:
operations.Add(new RegisterSet(line, A, Expression.makeSUB(r.getKExpression(B, line), r.getKExpression(C, line))));
break;
case Op.MUL:
operations.Add(new RegisterSet(line, A, Expression.makeMUL(r.getKExpression(B, line), r.getKExpression(C, line))));
break;
case Op.DIV:
operations.Add(new RegisterSet(line, A, Expression.makeDIV(r.getKExpression(B, line), r.getKExpression(C, line))));
break;
case Op.MOD:
operations.Add(new RegisterSet(line, A, Expression.makeMOD(r.getKExpression(B, line), r.getKExpression(C, line))));
break;
case Op.POW:
operations.Add(new RegisterSet(line, A, Expression.makePOW(r.getKExpression(B, line), r.getKExpression(C, line))));
break;
case Op.UNM:
operations.Add(new RegisterSet(line, A, Expression.makeUNM(r.getExpression(B, line))));
break;
case Op.NOT:
operations.Add(new RegisterSet(line, A, Expression.makeNOT(r.getExpression(B, line))));
break;
case Op.LEN:
operations.Add(new RegisterSet(line, A, Expression.makeLEN(r.getExpression(B, line))));
break;
case Op.CONCAT:
Expression @value1 = r.getExpression(C, line);
//Remember that CONCAT is right associative.
while(C-- > B)
{
@value1 = Expression.makeCONCAT(r.getExpression(C, line), @value1);
}
operations.Add(new RegisterSet(line, A, @value1));
break;
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case Op.JMP:
case Op.EQ:
case Op.LT:
case Op.LE:
case Op.TEST:
case Op.TESTSET:
// Do nothing... handled with branches
break;
case Op.CALL:
{
bool multiple = (C >= 3 || C == 0);
if(B == 0)
B = registers - A;
if(C == 0)
C = registers - A + 1;
Expression function2 = r.getExpression(A, line);
Expression[] arguments = new Expression[B - 1];
for(int register = A + 1; register <= A + B - 1; register++)
{
arguments[register - A - 1] = r.getExpression(register, line);
}
FunctionCall @value = new FunctionCall(function2, arguments, multiple);
if(C == 1)
{
operations.Add(new CallOperation(line, @value));
}
else
{
if(C == 2 && !multiple)
{
operations.Add(new RegisterSet(line, A, @value));
}
else
{
for(int register = A; register <= A + C - 2; register++)
{
operations.Add(new RegisterSet(line, register, @value));
}
}
}
break;
}
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case Op.TAILCALL:
{
if(B == 0)
B = registers - A;
Expression function1 = r.getExpression(A, line);
Expression[] arguments = new Expression[B - 1];
for(int register = A + 1; register <= A + B - 1; register++)
{
arguments[register - A - 1] = r.getExpression(register, line);
}
FunctionCall @value2 = new FunctionCall(function1, arguments, true);
operations.Add(new ReturnOperation(line, @value2));
skip[line + 1] = true;
break;
}
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case Op.RETURN:
{
if(B == 0)
B = registers - A + 1;
Expression[] values = new Expression[B - 1];
for(int register = A; register <= A + B - 2; register++)
{
values[register - A] = r.getExpression(register, line);
}
operations.Add(new ReturnOperation(line, values));
break;
}
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case Op.FORLOOP:
case Op.FORPREP:
case Op.TFORCALL:
case Op.TFORLOOP:
// Do nothing... handled with branches
break;
case Op.SETLIST:
if(C == 0)
{
C = code.codepoint(line + 1);
skip[line + 1] = true;
}
if(B == 0)
{
B = registers - A - 1;
}
Expression table = r.getValue(A, line);
for(int i = 1; i <= B; i++)
{
operations.Add(new TableSet(line, table, new ConstantExpression(new Constant((C - 1) * 50 + i), -1), r.getExpression(A + i, line), false, r.getUpdated(A + i, line)));
}
break;
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case Op.CLOSE:
break;
case Op.CLOSURE:
LFunction f2 = functions[Bx];
operations.Add(new RegisterSet(line, A, new ClosureExpression(f2, declList, line + 1)));
if(function.header.version.usesInlineUpvalueDeclarations())
{
// Skip upvalue declarations
for(int i = 0; i < f2.numUpvalues; i++)
{
skip[line + 1 + i] = true;
}
}
break;
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
case Op.VARARG:
bool multiple1 = (B != 2);
if(B == 1)
throw new Exception();
if(B == 0)
B = registers - A + 1;
Expression @value3 = new Vararg(B - 1, multiple1);
for(int register = A; register <= A + B - 2; register++)
{
operations.Add(new RegisterSet(line, register, @value3));
}
break;
//JAVA TO VB & C# CONVERTER TODO TASK: C# does not allow fall-through from a non-empty 'case':
default:
throw new Exception("Illegal instruction: " + code.op(line));
}
return operations;
}
public override void useExpression(Expression expression)
{
// Do nothing
}
public GlobalSet(int line, string global, Expression @value) : base(line)
{
this.global = global;
this.value = @value;
}