private static bool HandleBranching(string opcodeStr, int offset,
MetaMidRepresentationOperationFactory operationFactory)
{
#region Branching
if (opcodeStr == OpcodeBranchNames.Leave ||
opcodeStr == OpcodeBranchNames.LeaveS
)
{
operationFactory.AlwaysBranch(offset);
operationFactory.LeaveTo(offset);
operationFactory.ClearStack();
return(true);
}
if (opcodeStr == OpcodeBranchNames.BrTrueS ||
opcodeStr == OpcodeBranchNames.BrTrue ||
opcodeStr == OpcodeBranchNames.BrInstS ||
opcodeStr == OpcodeBranchNames.BrInst)
{
operationFactory.BranchIfTrue(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.BrFalseS ||
opcodeStr == OpcodeBranchNames.BrFalse ||
opcodeStr == OpcodeBranchNames.BrNullS ||
opcodeStr == OpcodeBranchNames.BrNull ||
opcodeStr == OpcodeBranchNames.BrZeroS ||
opcodeStr == OpcodeBranchNames.BrZero)
{
operationFactory.BranchIfFalse(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.Beq || opcodeStr == OpcodeBranchNames.BeqS)
{
operationFactory.BranchIfEqual(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.BgeUn || opcodeStr == OpcodeBranchNames.BgeUnS) //Todo: Fix this cannot treat unsigned as signed
{
operationFactory.BranchIfGreaterOrEqual(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.Bge || opcodeStr == OpcodeBranchNames.BgeS)
{
operationFactory.BranchIfGreaterOrEqual(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.BgtUn || opcodeStr == OpcodeBranchNames.BgtUnS) //Todo: Fix this cannot treat unsigned as signed
{
operationFactory.BranchIfGreater(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.Bgt || opcodeStr == OpcodeBranchNames.BgtS)
{
operationFactory.BranchIfGreater(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.Ble || opcodeStr == OpcodeBranchNames.BleS)
{
operationFactory.BranchIfLessOrEqual(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.BleUn || opcodeStr == OpcodeBranchNames.BleUnS) //Todo: Fix this cannot treat unsigned as signed
{
operationFactory.BranchIfLessOrEqual(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.BltUn || opcodeStr == OpcodeBranchNames.BltUnS) //Todo: Fix this cannot treat unsigned as signed
{
operationFactory.BranchIfLess(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.Blt || opcodeStr == OpcodeBranchNames.BltS)
{
operationFactory.BranchIfLess(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.Bne ||
opcodeStr == OpcodeBranchNames.BneUn ||
opcodeStr == OpcodeBranchNames.BneUnS ||
opcodeStr == OpcodeBranchNames.BneS)
{
operationFactory.BranchIfNotEqual(offset);
return(true);
}
if (opcodeStr == OpcodeBranchNames.BrS || opcodeStr == OpcodeBranchNames.Br)
{
operationFactory.AlwaysBranch(offset);
return(true);
}
#endregion
return(false);
}
