// TODO Jun: Merge TraverseFunctionCall with the associative version and implement in a codegen utils file
//Fuqiang: Cannot merge the two functions. They are different. eg. Associative has "emitReplicationGuide = false;"
public override void TraverseFunctionCall(ProtoCore.AST.Node node, ProtoCore.AST.Node parentNode, int lefttype, int depth, ref ProtoCore.Type inferedType, ProtoCore.AssociativeGraph.GraphNode graphNode = null, ProtoCore.DSASM.AssociativeSubCompilePass subPass = ProtoCore.DSASM.AssociativeSubCompilePass.kNone)
{
Debug.Assert(null == graphNode);
FunctionCallNode funcCall = node as FunctionCallNode;
string procName = funcCall.Function.Name;
List<ProtoCore.Type> arglist = new List<ProtoCore.Type>();
foreach (ImperativeNode paramNode in funcCall.FormalArguments)
{
ProtoCore.Type paramType = new ProtoCore.Type();
paramType.UID = (int)ProtoCore.PrimitiveType.kTypeVoid;
paramType.IsIndexable = false;
// If it's a binary node then continue type check, otherwise disable type check and just take the type of paramNode itself
// f(1+2.0) -> type check enabled - param is typed as double
// f(2) -> type check disabled - param is typed as int
enforceTypeCheck = !(paramNode is BinaryExpressionNode);
DfsTraverse(paramNode, ref paramType);
enforceTypeCheck = true;
arglist.Add(paramType);
}
ProtoCore.DSASM.ProcedureNode procNode = null;
int type = ProtoCore.DSASM.Constants.kInvalidIndex;
bool isConstructor = false;
bool isStatic = false;
bool hasLogError = false;
int refClassIndex = ProtoCore.DSASM.Constants.kInvalidIndex;
if (parentNode != null && parentNode is ProtoCore.AST.AssociativeAST.IdentifierListNode)
{
ProtoCore.AST.Node leftnode = (parentNode as ProtoCore.AST.AssociativeAST.IdentifierListNode).LeftNode;
if (leftnode != null && leftnode is ProtoCore.AST.AssociativeAST.IdentifierNode)
{
refClassIndex = compileState.ClassTable.IndexOf(leftnode.Name);
}
}
// If lefttype is a valid class then check if calling a constructor
if ((int)ProtoCore.PrimitiveType.kInvalidType != inferedType.UID && (int)ProtoCore.PrimitiveType.kTypeVoid != inferedType.UID)
{
bool isAccessible;
int realType;
if (inferedType.UID > (int)PrimitiveType.kMaxPrimitives)
{
//check if it is function pointer
ProtoCore.DSASM.SymbolNode symbolnode = null;
bool isAllocated = VerifyAllocation(procName, inferedType.UID, out symbolnode, out isAccessible);
if (isAllocated)
{
procName = ProtoCore.DSASM.Constants.kFunctionPointerCall;
}
}
if (procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)
{
procNode = compileState.ClassTable.ClassNodes[inferedType.UID].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out realType);
if (procNode != null)
{
Debug.Assert(realType != ProtoCore.DSASM.Constants.kInvalidIndex);
isConstructor = procNode.isConstructor;
isStatic = procNode.isStatic;
type = lefttype = realType;
if ((refClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex) && !procNode.isStatic && !procNode.isConstructor)
{
return;
}
if (!isAccessible)
{
type = lefttype = realType;
hasLogError = true;
}
}
}
}
if (!isConstructor && !isStatic && procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)
{
//check if it is function pointer
bool isAccessibleFp;
ProtoCore.DSASM.SymbolNode symbolnode = null;
bool isAllocated = VerifyAllocation(procName, globalClassIndex, out symbolnode, out isAccessibleFp);
if (isAllocated) // not checking the type against function pointer, as the type could be var
{
procName = ProtoCore.DSASM.Constants.kFunctionPointerCall;
}
else
{
procNode = compileState.GetFirstVisibleProcedure(procName, arglist, codeBlock);
if (null != procNode)
{
if ((int)ProtoCore.DSASM.Constants.kInvalidIndex != procNode.procId)
{
// A global function
if (compileState.TypeSystem.IsHigherRank((int)procNode.returntype.UID, inferedType.UID))
{
inferedType = procNode.returntype;
}
}
else
{
procNode = null;
}
}
else
{
type = (lefttype != ProtoCore.DSASM.Constants.kInvalidIndex) ? lefttype : globalClassIndex;
if (type != ProtoCore.DSASM.Constants.kInvalidIndex)
{
int realType;
bool isAccessible;
ProtoCore.DSASM.ProcedureNode memProcNode = compileState.ClassTable.ClassNodes[type].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out realType);
if (memProcNode != null)
{
Debug.Assert(realType != ProtoCore.DSASM.Constants.kInvalidIndex);
procNode = memProcNode;
inferedType = procNode.returntype;
type = realType;
if ((refClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex) && !procNode.isStatic && !procNode.isConstructor)
{
inferedType.UID = (int)PrimitiveType.kTypeNull;
return;
}
if (!isAccessible)
{
procNode = null;
if (!hasLogError)
{
hasLogError = true;
}
}
}
}
}
}
}
if (null != procNode)
{
//if call is replication call
if (procNode.isThisCallReplication)
{
inferedType.IsIndexable = true;
inferedType.rank++;
}
}
else
{
if (depth <= 0 && procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)
{
inferedType.UID = (int)PrimitiveType.kTypeNull;
}
else
{
if (procName == ProtoCore.DSASM.Constants.kFunctionPointerCall && depth == 0)
{
ProtoCore.DSASM.DynamicFunctionNode dynamicFunctionNode = new ProtoCore.DSASM.DynamicFunctionNode(procName, arglist, lefttype);
compileState.DynamicFunctionTable.functionTable.Add(dynamicFunctionNode);
IdentifierNode iNode = new IdentifierNode()
{
Value = funcCall.Function.Name,
Name = funcCall.Function.Name,
datatype = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, false)
};
EmitIdentifierNode(iNode, ref inferedType);
}
else
{
ProtoCore.DSASM.DynamicFunctionNode dynamicFunctionNode = new ProtoCore.DSASM.DynamicFunctionNode(funcCall.Function.Name, arglist, lefttype);
compileState.DynamicFunctionTable.functionTable.Add(dynamicFunctionNode);
}
//assign inferedType to var
inferedType.UID = (int)PrimitiveType.kTypeVar;
}
}
}
public override void TraverseFunctionCall(ProtoCore.AST.Node node, ProtoCore.AST.Node parentNode, int lefttype, int depth, ref ProtoCore.Type inferedType, ProtoCore.AssociativeGraph.GraphNode graphNode = null, ProtoCore.DSASM.AssociativeSubCompilePass subPass = ProtoCore.DSASM.AssociativeSubCompilePass.kNone)
{
FunctionCallNode funcCall = node as FunctionCallNode;
string procName = funcCall.Function.Name;
List<ProtoCore.Type> arglist = new List<ProtoCore.Type>();
ProtoCore.Type dotCallType = new ProtoCore.Type();
dotCallType.UID = (int)PrimitiveType.kTypeVar;
dotCallType.IsIndexable = false;
if (procName == "%dot")
{
if (funcCall.FormalArguments[0] is IdentifierNode)
{
int ci = core.ClassTable.IndexOf((funcCall.FormalArguments[0] as IdentifierNode).Name);
if (ci != ProtoCore.DSASM.Constants.kInvalidIndex)
{
funcCall.FormalArguments[0] = new IntNode() { value = ci.ToString() };
dotCallType.UID = ci;
}
if (funcCall.FormalArguments.Count > 4)
{
int dynamicRhsIndex = int.Parse((funcCall.FormalArguments[1] as IntNode).value);
core.DynamicFunctionTable.functionTable[dynamicRhsIndex].classIndex = globalClassIndex;
}
else if (subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier)
{
ProtoCore.DSASM.SymbolNode symbolnode = null;
bool isAccessible = false;
bool isAllocated = VerifyAllocation((funcCall.FormalArguments[0] as IdentifierNode).Name, globalClassIndex, out symbolnode, out isAccessible);
if (isAllocated && symbolnode.datatype.UID != (int)PrimitiveType.kTypeVar)
{
int rhsIndex = int.Parse((funcCall.FormalArguments[1] as IntNode).value);
string rhsName = core.DynamicVariableTable.variableTable[rhsIndex].variableName;
isAllocated = VerifyAllocation(rhsName, symbolnode.datatype.UID, out symbolnode, out isAccessible);
if (null == symbolnode) //unbound identifier
{
if (isAllocated && !isAccessible)
{
ProtoCore.Type leftType = new ProtoCore.Type();
leftType.UID = (int)PrimitiveType.kInvalidType;
leftType.IsIndexable = false;
bool isFirstIdent = true;
DfsEmitIdentList(funcCall.FormalArguments[0], null, globalClassIndex, ref leftType, ref depth, ref inferedType, false, ref isFirstIdent, graphNode, subPass);
inferedType.UID = (int)PrimitiveType.kTypeNull;
return;
}
}
}
}
}
else if (funcCall.FormalArguments[0] is IntNode)
{
dotCallType.UID = int.Parse((funcCall.FormalArguments[0] as IntNode).value);
}
}
foreach (AssociativeNode paramNode in funcCall.FormalArguments)
{
ProtoCore.Type paramType = new ProtoCore.Type();
paramType.UID = (int)ProtoCore.PrimitiveType.kTypeVoid;
paramType.IsIndexable = false;
//emitReplicationGuide = paramNode is IdentifierNode || paramNode is ExprListNode;
// If it's a binary node then continue type check, otherwise disable type check and just take the type of paramNode itself
// f(1+2.0) -> type check enabled - param is typed as double
// f(2) -> type check disabled - param is typed as int
enforceTypeCheck = !(paramNode is BinaryExpressionNode);
DfsTraverse(paramNode, ref paramType, false, graphNode, subPass);
enforceTypeCheck = true;
arglist.Add(paramType);
}
if (subPass == ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier)
{
return;
}
ProtoCore.DSASM.ProcedureNode procNode = null;
int type = ProtoCore.DSASM.Constants.kInvalidIndex;
bool isConstructor = false;
bool isStatic = false;
bool hasLogError = false;
int refClassIndex = ProtoCore.DSASM.Constants.kInvalidIndex;
if (parentNode != null && parentNode is ProtoCore.AST.AssociativeAST.IdentifierListNode)
{
ProtoCore.AST.Node leftnode = (parentNode as ProtoCore.AST.AssociativeAST.IdentifierListNode).LeftNode;
if (leftnode != null && leftnode is ProtoCore.AST.AssociativeAST.IdentifierNode)
{
refClassIndex = core.ClassTable.IndexOf(leftnode.Name);
}
}
// If lefttype is a valid class then check if calling a constructor
if ((int)ProtoCore.PrimitiveType.kInvalidType != inferedType.UID && (int)ProtoCore.PrimitiveType.kTypeVoid != inferedType.UID)
{
bool isAccessible;
int realType;
if (inferedType.UID > (int)PrimitiveType.kMaxPrimitives)
{
//check if it is function pointer
ProtoCore.DSASM.SymbolNode symbolnode = null;
bool isAllocated = VerifyAllocation(procName, inferedType.UID, out symbolnode, out isAccessible);
if (isAllocated)
{
procName = ProtoCore.DSASM.Constants.kFunctionPointerCall;
}
}
if (procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)
{
procNode = core.ClassTable.ClassNodes[inferedType.UID].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out realType);
if (procNode != null)
{
Debug.Assert(realType != ProtoCore.DSASM.Constants.kInvalidIndex);
isConstructor = procNode.isConstructor;
isStatic = procNode.isStatic;
type = lefttype = realType;
if ((refClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex) && !procNode.isStatic && !procNode.isConstructor)
{
inferedType.UID = (int)PrimitiveType.kTypeNull;
return;
}
if (!isAccessible)
{
type = lefttype = realType;
procNode = null;
hasLogError = true;
}
}
}
}
if (!isConstructor && !isStatic && procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)
{
//check if it is function pointer
bool isAccessibleFp;
ProtoCore.DSASM.SymbolNode symbolnode = null;
bool isAllocated = VerifyAllocation(procName, globalClassIndex, out symbolnode, out isAccessibleFp);
if (isAllocated) // not checking the type against function pointer, as the type could be var
{
procName = ProtoCore.DSASM.Constants.kFunctionPointerCall;
}
else
{
procNode = core.GetFirstVisibleProcedure(procName, arglist, codeBlock);
if (null != procNode)
{
if ((int)ProtoCore.DSASM.Constants.kInvalidIndex != procNode.procId)
{
// A global function
if (core.TypeSystem.IsHigherRank((int)procNode.returntype.UID, inferedType.UID))
{
inferedType = procNode.returntype;
}
}
else
{
procNode = null;
}
}
else
{
type = (lefttype != ProtoCore.DSASM.Constants.kInvalidIndex) ? lefttype : globalClassIndex;
if (type != ProtoCore.DSASM.Constants.kInvalidIndex)
{
int realType;
bool isAccessible;
ProtoCore.DSASM.ProcedureNode memProcNode = core.ClassTable.ClassNodes[type].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out realType);
if (memProcNode != null)
{
Debug.Assert(realType != ProtoCore.DSASM.Constants.kInvalidIndex);
procNode = memProcNode;
inferedType = procNode.returntype;
type = realType;
if ((refClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex) && !procNode.isStatic && !procNode.isConstructor)
{
inferedType.UID = (int)PrimitiveType.kTypeNull;
return;
}
if (!isAccessible)
{
procNode = null;
if (!hasLogError)
{
hasLogError = true;
}
}
}
}
}
}
}
if (null != procNode)
{
//if call is replication call
if (procNode.isThisCallReplication)
{
inferedType.IsIndexable = true;
inferedType.rank++;
}
if ((int)ProtoCore.DSASM.Constants.kInvalidIndex != procNode.procId)
{
if (dotCallType.UID != (int)PrimitiveType.kTypeVar)
{
inferedType.UID = dotCallType.UID;
}
}
}
else
{
if (depth <= 0 && procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)
{
// At compile time we only check if function name and the number of parameter are
// both matched, so if it is a global function call but we still can't get procNode,
// it is hopeless to resolve that at run-time. Then we should return null. -yu ke
inferedType.UID = (int)PrimitiveType.kTypeNull;
}
else
{
if (procName == ProtoCore.DSASM.Constants.kFunctionPointerCall && depth == 0)
{
ProtoCore.DSASM.DynamicFunctionNode dynamicFunctionNode = new ProtoCore.DSASM.DynamicFunctionNode(procName, arglist, lefttype);
core.DynamicFunctionTable.functionTable.Add(dynamicFunctionNode);
IdentifierNode iNode = new IdentifierNode()
{
Value = funcCall.Function.Name,
Name = funcCall.Function.Name,
datatype = core.TypeSystem.BuildTypeObject(PrimitiveType.kTypeVar, false)
};
EmitIdentifierNode(iNode, ref inferedType);
}
else
{
ProtoCore.DSASM.DynamicFunctionNode dynamicFunctionNode = new ProtoCore.DSASM.DynamicFunctionNode(funcCall.Function.Name, arglist, lefttype);
core.DynamicFunctionTable.functionTable.Add(dynamicFunctionNode);
}
inferedType.UID = (int)PrimitiveType.kTypeVar;
}
}
}