public override bool Visit(FunctionCall node)
{
if (FunctionCallHelper.IsLowLevelCall(node) || FunctionCallHelper.isDelegateCall(node))
{
worklist.Clear();
foreach (FunctionDefinition def in context.FunctionToContractMap.Keys)
{
fnDeps.Add(def);
}
}
else if (isBuiltinFn(node))
{
return(true);
}
else
{
string fnName = TransUtils.GetFuncNameFromFuncCall(node);
if (nameToFn.ContainsKey(fnName))
{
foreach (FunctionDefinition fnDef in nameToFn[fnName])
{
if (!seenFns.Contains(fnDef))
{
worklist.AddLast(fnDef);
seenFns.Add(fnDef);
}
}
}
}
return(true);
}
public static bool isSend(FunctionCall node)
{
var functionName = TransUtils.GetFuncNameFromFuncCall(node);
return(functionName.Equals("send"));
}
public static bool isDelegateCall(FunctionCall node)
{
var functionName = TransUtils.GetFuncNameFromFuncCall(node);
return(functionName.Equals("delegatecall"));
}
public static bool IsLowLevelCall(FunctionCall node)
{
var functionName = TransUtils.GetFuncNameFromFuncCall(node);
return(functionName.Equals("call"));
}
public static bool IsRevert(FunctionCall node)
{
var functionName = TransUtils.GetFuncNameFromFuncCall(node);
return(functionName.Equals("revert"));
}
private bool isBuiltinFn(FunctionCall call)
{
return(FunctionCallHelper.IsLowLevelCall(call) || FunctionCallHelper.isSend(call) ||
FunctionCallHelper.IsAssert(call) || FunctionCallHelper.isDelegateCall(call) ||
FunctionCallHelper.IsRequire(call) || FunctionCallHelper.IsRevert(call) ||
FunctionCallHelper.IsKeccakFunc(call) || FunctionCallHelper.IsAbiEncodePackedFunc(call) ||
FunctionCallHelper.IsTypeCast(call) || FunctionCallHelper.IsBuiltInTransferFunc(TransUtils.GetFuncNameFromFuncCall(call), call));
}