/// <summary>
/// Generates the code for a ListConstant node.
/// </summary>
/// <param name="lc">The ListConstant node.</param>
/// <returns>String containing C# code for ListConstant lc.</returns>
private void GenerateListConstant(ListConstant lc, StringBuilder sb)
{
Generate(String.Format("new {0}(", lc.Type), lc, sb);
foreach (SYMBOL kid in lc.kids)
{
GenerateNodeToSB(lc, kid, sb);
}
Generate(")", sb);
}
/// <summary>
/// Generates the code for a ListConstant node.
/// </summary>
/// <param name="lc">The ListConstant node.</param>
/// <returns>String containing C# code for ListConstant lc.</returns>
private string GenerateListConstant(ListConstant lc)
{
string retstr = String.Empty;
retstr += Generate(String.Format("new {0}(", lc.Type), lc);
foreach (SYMBOL kid in lc.kids)
{
retstr += GenerateNode(kid);
}
retstr += Generate(")");
return(retstr);
}
/// <summary>
/// Recursively called to transform each type of node. Will transform this
/// node, then all it's children.
/// </summary>
/// <param name="s">The current node to transform.</param>
/// <param name="GlobalMethods"> </param>
/// <param name="MethodArguements"> </param>
/// <param name="scopesParent"> </param>
/// <param name="scopeCurrent"> </param>
private void TransformNode(SYMBOL s, Dictionary <string, string> GlobalMethods,
Dictionary <string, ObjectList> MethodArguements, List <int> scopesParent,
int scopeCurrent)
{
// make sure to put type lower in the inheritance hierarchy first
// ie: since IdentConstant and StringConstant inherit from Constant,
// put IdentConstant and StringConstant before Constant
if (s is Declaration)
{
Declaration dec = (Declaration)s;
dec.Datatype = m_datatypeLSL2OpenSim[dec.Datatype];
}
else if (s is Constant)
{
((Constant)s).Type = m_datatypeLSL2OpenSim[((Constant)s).Type];
}
else if (s is TypecastExpression)
{
((TypecastExpression)s).TypecastType = m_datatypeLSL2OpenSim[((TypecastExpression)s).TypecastType];
}
else if (s is GlobalFunctionDefinition)
{
GlobalFunctionDefinition fun = (GlobalFunctionDefinition)s;
if ("void" == fun.ReturnType) // we don't need to translate "void"
{
if (GlobalMethods != null && !GlobalMethods.ContainsKey(fun.Name))
{
GlobalMethods.Add(fun.Name, "void");
}
}
else
{
fun.ReturnType =
m_datatypeLSL2OpenSim[fun.ReturnType];
if (GlobalMethods != null && !GlobalMethods.ContainsKey(fun.Name))
{
GlobalMethods.Add(fun.Name, fun.ReturnType);
MethodArguements.Add(fun.Name, (s).kids);
}
}
//Reset the variables, we changed events
m_currentEvent = fun.Name;
m_localVariableValues.Add("global_function_" + fun.Name, new Dictionary <string, SYMBOL>());
m_localVariableValuesStr.Add("global_function_" + fun.Name, new Dictionary <string, string>());
m_duplicatedLocalVariableValues.Add("global_function_" + fun.Name, new Dictionary <string, SYMBOL>());
m_localVariableScope.Add("global_function_" + fun.Name, new Dictionary <string, int>());
// this is a new function, lets clear the parent scopes and set the current scope to this
scopesParent.Clear();
scopeCurrent = s.pos;
scopesParent.Add(scopeCurrent);
}
else if (s is State)
{
//Reset the variables, we changed events
State evt = (State)s;
m_currentState = evt.Name;
}
else if (s is StateEvent)
{
//Reset the variables, we changed events
StateEvent evt = (StateEvent)s;
m_currentEvent = evt.Name;
m_localVariableValues.Add(m_currentState + "_" + evt.Name, new Dictionary <string, SYMBOL>());
m_localVariableValuesStr.Add(m_currentState + "_" + evt.Name, new Dictionary <string, string>());
m_duplicatedLocalVariableValues.Add(m_currentState + "_" + evt.Name, new Dictionary <string, SYMBOL>());
m_localVariableScope.Add(m_currentState + "_" + evt.Name, new Dictionary <string, int>());
// this is a new state event, lets clear the parent scopes and set the current scope to this
scopesParent.Clear();
scopeCurrent = s.pos;
scopesParent.Add(scopeCurrent);
}
else if (s is ArgumentDeclarationList)
{
ArgumentDeclarationList adl = (ArgumentDeclarationList)s;
foreach (SYMBOL child in adl.kids)
{
Declaration d = child as Declaration;
if (d != null)
{
m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()][d.Id] = null;
}
}
//m_duplicatedLocalVariableValues.Add(m_currentState + "_" + evt.Name, new Dictionary<string, SYMBOL>());
}
else if (s is GlobalVariableDeclaration)
{
GlobalVariableDeclaration gvd = (GlobalVariableDeclaration)s;
foreach (SYMBOL child in gvd.kids)
{
if (child is Assignment)
{
bool isDeclaration = false;
string decID = "";
foreach (SYMBOL assignmentChild in child.kids)
{
if (assignmentChild is Declaration)
{
Declaration d = (Declaration)assignmentChild;
decID = d.Id;
isDeclaration = true;
}
else if (assignmentChild is IdentExpression)
{
IdentExpression identEx = (IdentExpression)assignmentChild;
if (isDeclaration)
{
if (m_globalVariableValues.ContainsKey(decID))
{
m_duplicatedGlobalVariableValues[decID] = identEx;
}
m_globalVariableValues[decID] = identEx.Name;
}
}
else if (assignmentChild is ListConstant)
{
ListConstant listConst = (ListConstant)assignmentChild;
foreach (SYMBOL listChild in listConst.kids)
{
if (listChild is ArgumentList)
{
ArgumentList argList = (ArgumentList)listChild;
int i = 0;
bool changed = false;
object[] p = new object[argList.kids.Count];
foreach (SYMBOL objChild in argList.kids)
{
p[i] = objChild;
if (objChild is IdentExpression)
{
IdentExpression identEx = (IdentExpression)objChild;
if (m_globalVariableValues.ContainsKey(identEx.Name))
{
changed = true;
p[i] = new IdentExpression(identEx.yyps,
m_globalVariableValues[identEx.Name])
{
pos = objChild.pos,
m_dollar = objChild.m_dollar
};
}
}
i++;
}
if (changed)
{
argList.kids = new ObjectList();
foreach (object o in p)
{
argList.kids.Add(o);
}
}
if (isDeclaration)
{
if (m_globalVariableValues.ContainsKey(decID))
{
m_duplicatedGlobalVariableValues[decID] = listConst;
}
m_globalVariableValues[decID] = listConst.Value;
}
}
}
}
else if (assignmentChild is VectorConstant || assignmentChild is RotationConstant)
{
Constant listConst = (Constant)assignmentChild;
int i = 0;
bool changed = false;
object[] p = new object[listConst.kids.Count];
foreach (SYMBOL objChild in listConst.kids)
{
p[i] = objChild;
if (objChild is IdentExpression)
{
IdentExpression identEx = (IdentExpression)objChild;
if (m_globalVariableValues.ContainsKey(identEx.Name))
{
changed = true;
p[i] = new IdentExpression(identEx.yyps,
m_globalVariableValues[identEx.Name])
{
pos = objChild.pos,
m_dollar = objChild.m_dollar
};
}
}
i++;
}
if (changed)
{
listConst.kids = new ObjectList();
foreach (object o in p)
{
listConst.kids.Add(o);
}
}
if (isDeclaration)
{
if (m_globalVariableValues.ContainsKey(decID))
{
m_duplicatedGlobalVariableValues[decID] = listConst;
}
m_globalVariableValues[decID] = listConst.Value;
}
}
else if (assignmentChild is Constant)
{
Constant identEx = (Constant)assignmentChild;
if (isDeclaration)
{
if (m_globalVariableValues.ContainsKey(decID))
{
m_duplicatedGlobalVariableValues[decID] = identEx;
}
m_globalVariableValues[decID] = identEx.Value;
}
}
}
}
}
}
else if (s is Assignment && m_currentEvent != "")
{
Assignment ass = (Assignment)s;
bool isDeclaration = false;
string decID = "";
foreach (SYMBOL assignmentChild in ass.kids)
{
if (assignmentChild is Declaration)
{
Declaration d = (Declaration)assignmentChild;
decID = d.Id;
isDeclaration = true;
}
else if (assignmentChild is IdentExpression)
{
IdentExpression identEx = (IdentExpression)assignmentChild;
if (isDeclaration)
{
if (m_localVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(decID) &&
!m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(decID) &&
scopesParent.Contains(m_localVariableScope[GetLocalVariableDictionaryKey()][decID]))
{
m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()][decID] =
m_localVariableValues[GetLocalVariableDictionaryKey()][decID];
}
m_localVariableValues[GetLocalVariableDictionaryKey()][decID] = identEx;
m_localVariableValuesStr[GetLocalVariableDictionaryKey()][decID] = identEx.Name;
m_localVariableScope[GetLocalVariableDictionaryKey()][decID] = scopeCurrent;
}
}
else if (assignmentChild is ListConstant)
{
ListConstant listConst = (ListConstant)assignmentChild;
foreach (SYMBOL listChild in listConst.kids)
{
if (listChild is ArgumentList)
{
ArgumentList argList = (ArgumentList)listChild;
int i = 0;
bool changed = false;
object[] p = new object[argList.kids.Count];
foreach (SYMBOL objChild in argList.kids)
{
p[i] = objChild;
if (objChild is IdentExpression)
{
IdentExpression identEx = (IdentExpression)objChild;
if (
m_localVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(
identEx.Name))
{
changed = true;
p[i] = new IdentExpression(identEx.yyps,
m_localVariableValuesStr[
GetLocalVariableDictionaryKey()][identEx.Name
])
{
pos = objChild.pos,
m_dollar = objChild.m_dollar
};
}
}
i++;
}
if (changed)
{
argList.kids = new ObjectList();
foreach (object o in p)
{
argList.kids.Add(o);
}
}
if (isDeclaration)
{
if (m_localVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(decID) &&
!m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(
decID) &&
scopesParent.Contains(
m_localVariableScope[GetLocalVariableDictionaryKey()][decID]))
{
m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()][decID] =
m_localVariableValues[GetLocalVariableDictionaryKey()][decID];
}
m_localVariableValues[GetLocalVariableDictionaryKey()][decID] = listConst;
m_localVariableValuesStr[GetLocalVariableDictionaryKey()][decID] = listConst.Value;
m_localVariableScope[GetLocalVariableDictionaryKey()][decID] = scopeCurrent;
}
}
}
}
else if (assignmentChild is VectorConstant || assignmentChild is RotationConstant)
{
Constant listConst = (Constant)assignmentChild;
int i = 0;
bool changed = false;
object[] p = new object[listConst.kids.Count];
foreach (SYMBOL objChild in listConst.kids)
{
p[i] = objChild;
if (objChild is IdentExpression)
{
IdentExpression identEx = (IdentExpression)objChild;
if (m_localVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(identEx.Name))
{
changed = true;
p[i] = new IdentExpression(identEx.yyps,
m_localVariableValuesStr[GetLocalVariableDictionaryKey()]
[identEx.Name])
{
pos = objChild.pos,
m_dollar = objChild.m_dollar
};
}
}
i++;
}
if (changed)
{
listConst.kids = new ObjectList();
foreach (object o in p)
{
listConst.kids.Add(o);
}
}
if (isDeclaration)
{
if (m_localVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(decID) &&
!m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(decID) &&
scopesParent.Contains(m_localVariableScope[GetLocalVariableDictionaryKey()][decID]))
{
m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()][decID] =
m_localVariableValues[GetLocalVariableDictionaryKey()][decID];
}
m_localVariableValues[GetLocalVariableDictionaryKey()][decID] = listConst;
m_localVariableValuesStr[GetLocalVariableDictionaryKey()][decID] = listConst.Value;
m_localVariableScope[GetLocalVariableDictionaryKey()][decID] = scopeCurrent;
}
}
else if (assignmentChild is Constant)
{
Constant identEx = (Constant)assignmentChild;
if (isDeclaration)
{
if (m_localVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(decID) &&
!m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()].ContainsKey(decID) &&
scopesParent.Contains(m_localVariableScope[GetLocalVariableDictionaryKey()][decID]))
{
m_duplicatedLocalVariableValues[GetLocalVariableDictionaryKey()][decID] =
m_localVariableValues[GetLocalVariableDictionaryKey()][decID];
}
m_localVariableValues[GetLocalVariableDictionaryKey()][decID] = identEx;
m_localVariableValuesStr[GetLocalVariableDictionaryKey()][decID] = identEx.Value;
m_localVariableScope[GetLocalVariableDictionaryKey()][decID] = scopeCurrent;
}
}
}
}
/*if(s is Statement)
* {
* if(s.kids.Count == 1 && s.kids[0] is Assignment)
* {
* Assignment assignment = (Assignment)s.kids[0];
* object[] p = new object[assignment.kids.Count];
* int i = 0;
* int toRemove = -1;
* foreach(SYMBOL assignmentChild in assignment.kids)
* {
* p[i] = assignmentChild;
* if(assignmentChild is Declaration)
* {
* Declaration d = (Declaration)assignmentChild;
* if(m_allVariableValues.Contains(d.Id))
* toRemove = i;
* else
* m_allVariableValues.Add(d.Id);
* }
* i++;
* }
* if(toRemove != -1)
* {
* List<object> ps = new List<object>();
* foreach(object obj in p)
* ps.Add(obj);
* ps[toRemove] = new IDENT(null)
* {
* kids = new ObjectList(),
* pos = ((SYMBOL)ps[toRemove]).pos,
* m_dollar = ((SYMBOL)ps[toRemove]).m_dollar,
* yylval = ((SYMBOL)ps[toRemove]).yylval,
* yylx = ((SYMBOL)ps[toRemove]).yylx,
* yyps = ((SYMBOL)ps[toRemove]).yyps,
* yytext = ps[toRemove] is Declaration ?
* ((Declaration)ps[toRemove]).Id
* : ((SYMBOL)ps[toRemove]).yyname,
* };
* ((SYMBOL)s.kids[0]).kids = new ObjectList();
* foreach(object obj in ps)
* if(obj != null)
* ((SYMBOL)s.kids[0]).kids.Add(obj);
* }
* }
* }*/
for (int i = 0; i < s.kids.Count; i++)
{
// It's possible that a child is null, for instance when the
// assignment part in a for-loop is left out, ie:
//
// for (; i < 10; i++)
// {
// ...
// }
//
// We need to check for that here.
if (null == s.kids[i])
{
continue;
}
bool scopeAdded = false;
// we need to keep track of the scope for dulicate variables
if ((s is IfStatement) || (s is WhileStatement) || (s is ForLoopStatement) || (s is DoWhileStatement))
{
scopeCurrent = ((SYMBOL)s.kids[i]).pos;
scopesParent.Add(scopeCurrent);
scopeAdded = true;
}
if (!(s is Assignment || s is ArgumentDeclarationList) && s.kids[i] is Declaration)
{
AddImplicitInitialization(s, i);
}
TransformNode((SYMBOL)s.kids[i], null, null, scopesParent, scopeCurrent);
// we need to remove the current scope from the parent since we are no longer in that scope
if (scopeAdded)
{
scopesParent.Remove(scopeCurrent);
}
}
}
/// <summary>
/// Generates the code for a ListConstant node.
/// </summary>
/// <param name="lc">The ListConstant node.</param>
/// <returns>String containing C# code for ListConstant lc.</returns>
private string GenerateListConstant(ListConstant lc)
{
StringBuilder retVal = new StringBuilder();
retVal.Append(Generate(String.Format("new {0}(", lc.Type), lc));
foreach (SYMBOL kid in lc.kids)
retVal.Append(GenerateNode(kid));
retVal.Append(Generate(")"));
return retVal.ToString();
}
/// <summary>
/// Recursively called to transform each type of node. Will transform this
/// node, then all it's children.
/// </summary>
/// <param name = "s">The current node to transform.</param>
private void TransformNode(SYMBOL s, Dictionary <string, string> GlobalMethods,
Dictionary <string, ObjectList> MethodArguements)
{
// make sure to put type lower in the inheritance hierarchy first
// ie: since IdentConstant and StringConstant inherit from Constant,
// put IdentConstant and StringConstant before Constant
if (s is Declaration)
{
((Declaration)s).Datatype = m_datatypeLSL2OpenSim[((Declaration)s).Datatype];
}
else if (s is Constant)
{
((Constant)s).Type = m_datatypeLSL2OpenSim[((Constant)s).Type];
}
else if (s is TypecastExpression)
{
((TypecastExpression)s).TypecastType = m_datatypeLSL2OpenSim[((TypecastExpression)s).TypecastType];
}
else if (s is GlobalFunctionDefinition)
{
if ("void" == ((GlobalFunctionDefinition)s).ReturnType) // we don't need to translate "void"
{
if (GlobalMethods != null && !GlobalMethods.ContainsKey(((GlobalFunctionDefinition)s).Name))
{
GlobalMethods.Add(((GlobalFunctionDefinition)s).Name, "void");
}
}
else
{
((GlobalFunctionDefinition)s).ReturnType =
m_datatypeLSL2OpenSim[((GlobalFunctionDefinition)s).ReturnType];
if (GlobalMethods != null && !GlobalMethods.ContainsKey(((GlobalFunctionDefinition)s).Name))
{
GlobalMethods.Add(((GlobalFunctionDefinition)s).Name, ((GlobalFunctionDefinition)s).ReturnType);
MethodArguements.Add(((GlobalFunctionDefinition)s).Name, (s).kids);
}
}
//Reset the variables, we changed events
/*m_allVariableValues = new List<string>();
* foreach(SYMBOL child in s.kids)
* {
* if(child is ArgumentDeclarationList)
* {
* foreach(SYMBOL assignmentChild in child.kids)
* {
* if(assignmentChild is Declaration)
* {
* Declaration d = (Declaration)assignmentChild;
* m_allVariableValues.Add(d.Id);
* }
* }
* }
* }*/
}
else if (s is GlobalVariableDeclaration)
{
GlobalVariableDeclaration gvd = (GlobalVariableDeclaration)s;
foreach (SYMBOL child in gvd.kids)
{
if (child is Assignment)
{
bool isDeclaration = false;
string decID = "";
foreach (SYMBOL assignmentChild in child.kids)
{
if (assignmentChild is Declaration)
{
Declaration d = (Declaration)assignmentChild;
decID = d.Id;
isDeclaration = true;
}
else if (assignmentChild is IdentExpression)
{
IdentExpression identEx = (IdentExpression)assignmentChild;
if (isDeclaration)
{
m_globalVariableValues[decID] = identEx.Name;
}
}
else if (assignmentChild is ListConstant)
{
ListConstant listConst = (ListConstant)assignmentChild;
foreach (SYMBOL listChild in listConst.kids)
{
if (listChild is ArgumentList)
{
ArgumentList argList = (ArgumentList)listChild;
int i = 0;
bool changed = false;
object[] p = new object[argList.kids.Count];
foreach (SYMBOL objChild in argList.kids)
{
p[i] = objChild;
if (objChild is IdentExpression)
{
IdentExpression identEx = (IdentExpression)objChild;
if (m_globalVariableValues.ContainsKey(identEx.Name))
{
changed = true;
p[i] = new IdentExpression(identEx.yyps,
m_globalVariableValues[identEx.Name])
{
pos = objChild.pos,
m_dollar = objChild.m_dollar
};
}
}
i++;
}
if (changed)
{
argList.kids = new ObjectList();
foreach (object o in p)
{
argList.kids.Add(o);
}
}
}
}
}
else if (assignmentChild is Constant)
{
Constant identEx = (Constant)assignmentChild;
if (isDeclaration)
{
m_globalVariableValues[decID] = identEx.Value;
}
}
}
}
}
}
/*if(s is StateEvent)
* {
* //Reset the variables, we changed events
* m_allVariableValues = new List<string>();
* }
* if(s is Statement)
* {
* if(s.kids.Count == 1 && s.kids[0] is Assignment)
* {
* Assignment assignment = (Assignment)s.kids[0];
* object[] p = new object[assignment.kids.Count];
* int i = 0;
* int toRemove = -1;
* foreach(SYMBOL assignmentChild in assignment.kids)
* {
* p[i] = assignmentChild;
* if(assignmentChild is Declaration)
* {
* Declaration d = (Declaration)assignmentChild;
* if(m_allVariableValues.Contains(d.Id))
* toRemove = i;
* else
* m_allVariableValues.Add(d.Id);
* }
* i++;
* }
* if(toRemove != -1)
* {
* List<object> ps = new List<object>();
* foreach(object obj in p)
* ps.Add(obj);
* ps[toRemove] = new IDENT(null)
* {
* kids = new ObjectList(),
* pos = ((SYMBOL)ps[toRemove]).pos,
* m_dollar = ((SYMBOL)ps[toRemove]).m_dollar,
* yylval = ((SYMBOL)ps[toRemove]).yylval,
* yylx = ((SYMBOL)ps[toRemove]).yylx,
* yyps = ((SYMBOL)ps[toRemove]).yyps,
* yytext = ps[toRemove] is Declaration ?
* ((Declaration)ps[toRemove]).Id
* : ((SYMBOL)ps[toRemove]).yyname,
* };
* ((SYMBOL)s.kids[0]).kids = new ObjectList();
* foreach(object obj in ps)
* if(obj != null)
* ((SYMBOL)s.kids[0]).kids.Add(obj);
* }
* }
* }*/
for (int i = 0; i < s.kids.Count; i++)
{
// It's possible that a child is null, for instance when the
// assignment part in a for-loop is left out, ie:
//
// for (; i < 10; i++)
// {
// ...
// }
//
// We need to check for that here.
if (null != s.kids[i])
{
if (!(s is Assignment || s is ArgumentDeclarationList) && s.kids[i] is Declaration)
{
AddImplicitInitialization(s, i);
}
TransformNode((SYMBOL)s.kids[i], null, null);
}
}
}
/// <summary>
/// Generates the code for a ListConstant node.
/// </summary>
/// <param name = "lc">The ListConstant node.</param>
/// <returns>String containing C# code for ListConstant lc.</returns>
private string GenerateListConstant(ListConstant lc)
{
string retstr = "";
retstr += Generate(String.Format("new {0}(", lc.Type), lc);
foreach (SYMBOL kid in lc.kids)
retstr += GenerateNode(kid);
retstr += Generate(")");
return retstr;
}
