private ScriptToken GetFinalPartOfExpression(int currentPos, out ScriptStruct memberOfStruct, bool functionsOnly)
{
string charactersAfterDot;
bool staticAccess;
bool isThis;
ScriptStruct foundType = ParsePreviousExpression(currentPos, out charactersAfterDot, out staticAccess, out isThis);
memberOfStruct = foundType;
ScriptToken functionTyped = null;
if (charactersAfterDot.IndexOf('(') > 0)
{
charactersAfterDot = charactersAfterDot.Substring(0, charactersAfterDot.IndexOf('('));
}
if (foundType != null)
{
foreach (ScriptStruct thisStruct in GetAllStructsWithMatchingName(foundType.Name))
{
functionTyped = thisStruct.FindMemberFunction(charactersAfterDot);
if ((!functionsOnly) && (functionTyped == null))
{
functionTyped = thisStruct.FindMemberVariable(charactersAfterDot);
}
if (functionTyped != null)
{
break;
}
}
}
else
{
functionTyped = FindGlobalFunction(charactersAfterDot);
if (functionTyped == null)
{
functionTyped = FindLocalVariableWithName(currentPos, charactersAfterDot);
}
}
return functionTyped;
}
private string ConstructFunctionCalltipText(ScriptFunction func, ScriptStruct owningStruct, int selectedParameter, out int selectionStart, out int selectionEnd)
{
string callTip = func.Type + " ";
if (owningStruct != null)
{
callTip += owningStruct.Name + ".";
}
callTip += func.FunctionName + "(";
selectionStart = 0;
selectionEnd = 0;
string[] paramList = func.ParamList.Split(',');
for (int i = 0; i < paramList.Length; i++)
{
string thisParam = paramList[i].Trim();
if (thisParam.IndexOf('=') > 0)
{
thisParam = "optional " + thisParam.Substring(0, thisParam.IndexOf('='));
}
if (i == selectedParameter)
{
selectionStart = callTip.Length;
selectionEnd = callTip.Length + thisParam.Length;
if (ShowEnumForParameterIfAppropriate(thisParam))
{
// showing enum list rather than calltip
return null;
}
}
callTip += thisParam;
if (i < paramList.Length - 1)
{
callTip += ", ";
}
}
callTip += ")";
return callTip;
}
private string ConstructVariableCalltipText(ScriptVariable variable, ScriptStruct owningStruct)
{
string callTip = variable.Type;
if (variable.IsArray)
{
callTip += "[ ]";
}
callTip += " ";
if (owningStruct != null)
{
callTip += owningStruct.Name + ".";
}
callTip += variable.VariableName;
return callTip;
}
private void ConstructAndShowCalltip(int currentPos, int selectedParameter, ScriptStruct owningStruct, ScriptToken func)
{
int selectionStart = 0, selectionEnd = 0;
string callTip;
if (func is ScriptFunction)
{
callTip = ConstructFunctionCalltipText((ScriptFunction)func, owningStruct, selectedParameter, out selectionStart, out selectionEnd);
}
else
{
callTip = ConstructVariableCalltipText((ScriptVariable)func, owningStruct);
}
if (callTip != null)
{
if (!string.IsNullOrEmpty(func.Description))
{
callTip += "\n" + func.Description;
}
this.scintillaControl1.CallTipShow(currentPos, callTip);
this.scintillaControl1.CallTipSetHlt(selectionStart, selectionEnd);
}
}
