private void EmitFunctionDefinitionNode(AssociativeNode node, ref ProtoCore.Type inferedType, ProtoCore.DSASM.AssociativeSubCompilePass subPass = ProtoCore.DSASM.AssociativeSubCompilePass.kNone)
{
bool parseGlobalFunctionBody = null == localProcedure && ProtoCore.DSASM.AssociativeCompilePass.kGlobalFuncBody == compilePass;
bool parseMemberFunctionBody = ProtoCore.DSASM.Constants.kGlobalScope != globalClassIndex && ProtoCore.DSASM.AssociativeCompilePass.kClassMemFuncBody == compilePass;
FunctionDefinitionNode funcDef = node as FunctionDefinitionNode;
bool hasReturnStatement = false;
codeBlock.blockType = ProtoCore.DSASM.CodeBlockType.kFunction;
if (IsParsingGlobalFunctionSig() || IsParsingMemberFunctionSig())
{
Debug.Assert(null == localProcedure);
localProcedure = new ProtoCore.DSASM.ProcedureNode();
localProcedure.name = funcDef.Name;
localProcedure.pc = ProtoCore.DSASM.Constants.kInvalidIndex;
localProcedure.localCount = 0; // Defer till all locals are allocated
localProcedure.returntype.Name = funcDef.ReturnType.Name;
localProcedure.returntype.UID = core.TypeSystem.GetType(funcDef.ReturnType.Name);
if (localProcedure.returntype.UID == ProtoCore.DSASM.Constants.kInvalidIndex)
localProcedure.returntype.UID = (int)PrimitiveType.kTypeVar;
localProcedure.returntype.Name = core.TypeSystem.GetType(localProcedure.returntype.UID);
localProcedure.returntype.IsIndexable = funcDef.ReturnType.IsIndexable;
localProcedure.returntype.rank = funcDef.ReturnType.rank;
localProcedure.isConstructor = false;
localProcedure.isStatic = funcDef.IsStatic;
localProcedure.runtimeIndex = codeBlock.codeBlockId;
localProcedure.access = funcDef.access;
localProcedure.isExternal = funcDef.IsExternLib;
localProcedure.isAutoGenerated = funcDef.IsAutoGenerated;
localProcedure.classScope = globalClassIndex;
localProcedure.isAssocOperator = funcDef.IsAssocOperator;
int peekFunctionindex = ProtoCore.DSASM.Constants.kInvalidIndex;
if (ProtoCore.DSASM.Constants.kInvalidIndex == globalClassIndex)
{
peekFunctionindex = codeBlock.procedureTable.procList.Count;
}
else
{
peekFunctionindex = core.ClassTable.ClassNodes[globalClassIndex].vtable.procList.Count;
}
if (IsParsingMemberFunctionSig() && !funcDef.IsExternLib)
CodeRangeTable.AddClassBlockFunctionEntry(globalClassIndex,
peekFunctionindex,
funcDef.FunctionBody.line,
funcDef.FunctionBody.col,
funcDef.FunctionBody.endLine,
funcDef.FunctionBody.endCol,
core.CurrentDSFileName);
else if (!funcDef.IsExternLib)
CodeRangeTable.AddCodeBlockFunctionEntry(codeBlock.codeBlockId,
peekFunctionindex,
funcDef.FunctionBody.line,
funcDef.FunctionBody.col,
funcDef.FunctionBody.endLine,
funcDef.FunctionBody.endCol,
core.CurrentDSFileName);
// Append arg symbols
List<KeyValuePair<string, ProtoCore.Type>> argsToBeAllocated = new List<KeyValuePair<string, ProtoCore.Type>>();
if (null != funcDef.Singnature)
{
int argNumber = 0;
foreach (VarDeclNode argNode in funcDef.Singnature.Arguments)
{
++argNumber;
IdentifierNode paramNode = null;
bool aIsDefault = false;
ProtoCore.AST.Node aDefaultExpression = null;
if (argNode.NameNode is IdentifierNode)
{
paramNode = argNode.NameNode as IdentifierNode;
}
else if (argNode.NameNode is BinaryExpressionNode)
{
BinaryExpressionNode bNode = argNode.NameNode as BinaryExpressionNode;
paramNode = bNode.LeftNode as IdentifierNode;
aIsDefault = true;
aDefaultExpression = bNode;
//buildStatus.LogSemanticError("Defualt parameters are not supported");
//throw new BuildHaltException();
}
else
{
Debug.Assert(false, "Check generated AST");
}
ProtoCore.Type argType = new ProtoCore.Type();
argType.UID = core.TypeSystem.GetType(argNode.ArgumentType.Name);
if (argType.UID == ProtoCore.DSASM.Constants.kInvalidIndex)
argType.UID = (int)PrimitiveType.kTypeVar;
argType.Name = core.TypeSystem.GetType(argType.UID);
argType.IsIndexable = argNode.ArgumentType.IsIndexable;
argType.rank = argNode.ArgumentType.rank;
// We dont directly allocate arguments now
argsToBeAllocated.Add(new KeyValuePair<string, ProtoCore.Type>(paramNode.Value, argType));
localProcedure.argTypeList.Add(argType);
ProtoCore.DSASM.ArgumentInfo argInfo = new ProtoCore.DSASM.ArgumentInfo { isDefault = aIsDefault, defaultExpression = aDefaultExpression, Name = paramNode.Name };
localProcedure.argInfoList.Add(argInfo);
}
}
if (ProtoCore.DSASM.Constants.kInvalidIndex == globalClassIndex)
{
globalProcIndex = codeBlock.procedureTable.Append(localProcedure);
}
else
{
globalProcIndex = core.ClassTable.ClassNodes[globalClassIndex].vtable.Append(localProcedure);
}
// Comment Jun: Catch this assert given the condition as this type of mismatch should never occur
if (ProtoCore.DSASM.Constants.kInvalidIndex != globalProcIndex)
{
Debug.Assert(peekFunctionindex == localProcedure.procId);
argsToBeAllocated.ForEach(arg =>
{
int symbolIndex = AllocateArg(arg.Key, globalProcIndex, arg.Value);
if (ProtoCore.DSASM.Constants.kInvalidIndex == symbolIndex)
{
throw new BuildHaltException();
}
});
ExceptionRegistration registration = core.ExceptionHandlingManager.ExceptionTable.GetExceptionRegistration(codeBlock.codeBlockId, globalProcIndex, globalClassIndex);
if (registration == null)
{
registration = core.ExceptionHandlingManager.ExceptionTable.Register(codeBlock.codeBlockId, globalProcIndex, globalClassIndex);
Debug.Assert(registration != null);
}
}
}
else if (parseGlobalFunctionBody || parseMemberFunctionBody)
{
// Build arglist for comparison
List<ProtoCore.Type> argList = new List<ProtoCore.Type>();
if (null != funcDef.Singnature)
{
foreach (VarDeclNode argNode in funcDef.Singnature.Arguments)
{
int argType = core.TypeSystem.GetType(argNode.ArgumentType.Name);
bool isArray = argNode.ArgumentType.IsIndexable;
int rank = argNode.ArgumentType.rank;
argList.Add(core.TypeSystem.BuildTypeObject(argType, isArray, rank));
}
}
// Get the exisitng procedure that was added on the previous pass
if (ProtoCore.DSASM.Constants.kInvalidIndex == globalClassIndex)
{
globalProcIndex = codeBlock.procedureTable.IndexOfExact(funcDef.Name, argList);
localProcedure = codeBlock.procedureTable.procList[globalProcIndex];
}
else
{
globalProcIndex = core.ClassTable.ClassNodes[globalClassIndex].vtable.IndexOfExact(funcDef.Name, argList);
localProcedure = core.ClassTable.ClassNodes[globalClassIndex].vtable.procList[globalProcIndex];
}
Debug.Assert(null != localProcedure);
// Its only on the parse body pass where the real pc is determined. Update this procedures' pc
//Debug.Assert(ProtoCore.DSASM.Constants.kInvalidIndex == localProcedure.pc);
// Copy the active function to the core so nested language blocks can refer to it
core.ProcNode = localProcedure;
ProtoCore.FunctionEndPoint fep = null;
if (!funcDef.IsExternLib)
{
foreach (ProtoCore.DSASM.ArgumentInfo argNode in localProcedure.argInfoList)
{
if (!argNode.isDefault)
{
continue;
}
BinaryExpressionNode bNode = argNode.defaultExpression as BinaryExpressionNode;
// build a temporay node for statement : temp = defaultarg;
IdentifierNode iNodeTemp = new IdentifierNode()
{
Value = ProtoCore.DSASM.Constants.kTempDefaultArg,
Name = ProtoCore.DSASM.Constants.kTempDefaultArg,
datatype = core.TypeSystem.BuildTypeObject(PrimitiveType.kTypeVar, false)
};
BinaryExpressionNode bNodeTemp = new BinaryExpressionNode();
bNodeTemp.LeftNode = iNodeTemp;
bNodeTemp.Optr = ProtoCore.DSASM.Operator.assign;
bNodeTemp.RightNode = bNode.LeftNode;
EmitBinaryExpressionNode(bNodeTemp, ref inferedType);
////duild an inline conditional node for statement: defaultarg = (temp == DefaultArgNode) ? defaultValue : temp;
//InlineConditionalNode icNode = new InlineConditionalNode();
//BinaryExpressionNode cExprNode = new BinaryExpressionNode();
//cExprNode.Optr = ProtoCore.DSASM.Operator.eq;
//cExprNode.LeftNode = iNodeTemp;
//cExprNode.RightNode = new DefaultArgNode();
//icNode.ConditionExpression = cExprNode;
//icNode.TrueExpression = bNode.RightNode;
//icNode.FalseExpression = iNodeTemp;
//bNodeTemp.LeftNode = bNode.LeftNode;
//bNodeTemp.RightNode = icNode;
//EmitBinaryExpressionNode(bNodeTemp, ref inferedType);
}
// Traverse definition
foreach (AssociativeNode bnode in funcDef.FunctionBody.Body)
{
//
// TODO Jun: Handle stand alone language blocks
// Integrate the subPass into a proper pass
//
ProtoCore.Type itype = new ProtoCore.Type();
itype.UID = (int)PrimitiveType.kTypeVar;
if (bnode is LanguageBlockNode)
{
// Build a binaryn node with a temporary lhs for every stand-alone language block
IdentifierNode iNode = new IdentifierNode()
{
Value = ProtoCore.DSASM.Constants.kTempLangBlock,
Name = ProtoCore.DSASM.Constants.kTempLangBlock,
datatype = core.TypeSystem.BuildTypeObject(PrimitiveType.kTypeVar, false)
};
BinaryExpressionNode langBlockNode = new BinaryExpressionNode();
langBlockNode.LeftNode = iNode;
langBlockNode.Optr = ProtoCore.DSASM.Operator.assign;
langBlockNode.RightNode = bnode;
//DfsTraverse(bnode, ref itype, false, null, ProtoCore.DSASM.AssociativeSubCompilePass.kNone);
DfsTraverse(langBlockNode, ref itype, false, null, subPass);
}
else
{
DfsTraverse(bnode, ref itype, false, null, subPass);
}
BinaryExpressionNode binaryNode = bnode as BinaryExpressionNode;
hasReturnStatement = hasReturnStatement || ((binaryNode != null) && (binaryNode.LeftNode.Name == ProtoCore.DSDefinitions.Kw.kw_return));
}
// All locals have been stack allocated, update the local count of this function
localProcedure.localCount = core.BaseOffset;
if (ProtoCore.DSASM.Constants.kInvalidIndex == globalClassIndex)
{
localProcedure.localCount = core.BaseOffset;
// Update the param stack indices of this function
foreach (ProtoCore.DSASM.SymbolNode symnode in codeBlock.symbolTable.symbolList.Values)
{
if (symnode.functionIndex == localProcedure.procId && symnode.isArgument)
{
symnode.index -= localProcedure.localCount;
}
}
}
else
{
core.ClassTable.ClassNodes[globalClassIndex].vtable.procList[localProcedure.procId].localCount = core.BaseOffset;
// Update the param stack indices of this function
foreach (ProtoCore.DSASM.SymbolNode symnode in core.ClassTable.ClassNodes[globalClassIndex].symbols.symbolList.Values)
{
if (symnode.functionIndex == localProcedure.procId && symnode.isArgument)
{
symnode.index -= localProcedure.localCount;
}
}
}
ProtoCore.Lang.JILActivationRecord record = new ProtoCore.Lang.JILActivationRecord();
record.pc = localProcedure.pc;
record.locals = localProcedure.localCount;
record.classIndex = globalClassIndex;
record.funcIndex = localProcedure.procId;
fep = new ProtoCore.Lang.JILFunctionEndPoint(record);
}
else
{
ProtoCore.Lang.JILActivationRecord jRecord = new ProtoCore.Lang.JILActivationRecord();
jRecord.pc = localProcedure.pc;
jRecord.locals = localProcedure.localCount;
jRecord.classIndex = globalClassIndex;
jRecord.funcIndex = localProcedure.procId;
// TODO Jun/Luke: Wrap this into Core.Options and extend if needed
/*bool isCSFFI = false;
if (isCSFFI)
{
ProtoCore.Lang.CSFFIActivationRecord record = new ProtoCore.Lang.CSFFIActivationRecord();
record.JILRecord = jRecord;
record.FunctionName = funcDef.Name;
record.ModuleName = funcDef.ExternLibName;
record.ModuleType = "dll";
record.IsDNI = funcDef.IsDNI;
record.ReturnType = funcDef.ReturnType;
record.ParameterTypes = localProcedure.argTypeList;
fep = new ProtoCore.Lang.CSFFIFunctionEndPoint(record);
}
else
{*/
ProtoCore.Lang.FFIActivationRecord record = new ProtoCore.Lang.FFIActivationRecord();
record.JILRecord = jRecord;
record.FunctionName = funcDef.Name;
record.ModuleName = funcDef.ExternLibName;
record.ModuleType = "dll";
record.IsDNI = funcDef.IsDNI;
record.ReturnType = funcDef.ReturnType;
record.ParameterTypes = localProcedure.argTypeList;
fep = new ProtoCore.Lang.FFIFunctionEndPoint(record);
//}
}
// Construct the fep arguments
fep.FormalParams = new ProtoCore.Type[localProcedure.argTypeList.Count];
fep.BlockScope = this.codeBlock.codeBlockId;
localProcedure.argTypeList.CopyTo(fep.FormalParams, 0);
// TODO Jun: 'classIndexAtCallsite' is the class index as it is stored at the callsite function tables
// Determine whether this still needs to be aligned to the actual 'classIndex' variable
// The factors that will affect this is whether the 2 function tables (compiler and callsite) need to be merged
int classIndexAtCallsite = globalClassIndex + 1;
core.FunctionTable.AddFunctionEndPointer(classIndexAtCallsite, funcDef.Name, fep);
}
core.ProcNode = localProcedure = null;
globalProcIndex = ProtoCore.DSASM.Constants.kGlobalScope;
core.BaseOffset = 0;
argOffset = 0;
}
private void EmitFunctionDefinitionNode(ImperativeNode node, ref ProtoCore.Type inferedType)
{
bool parseGlobalFunctionSig = null == localProcedure && ProtoCore.DSASM.ImperativeCompilePass.kGlobalFuncSig == compilePass;
bool parseGlobalFunctionBody = null == localProcedure && ProtoCore.DSASM.ImperativeCompilePass.kGlobalFuncBody == compilePass;
FunctionDefinitionNode funcDef = node as FunctionDefinitionNode;
ProtoCore.DSASM.CodeBlockType originalBlockType = codeBlock.blockType;
codeBlock.blockType = ProtoCore.DSASM.CodeBlockType.kFunction;
if (parseGlobalFunctionSig)
{
Debug.Assert(null == localProcedure);
// TODO jun: Add semantics for checking overloads (different parameter types)
localProcedure = new ProtoCore.DSASM.ProcedureNode();
localProcedure.name = funcDef.Name;
localProcedure.localCount = funcDef.localVars;
localProcedure.returntype.UID = compileState.TypeSystem.GetType(funcDef.ReturnType.Name);
if (localProcedure.returntype.UID == ProtoCore.DSASM.Constants.kInvalidIndex)
localProcedure.returntype.UID = (int)PrimitiveType.kTypeVar;
localProcedure.returntype.Name = compileState.TypeSystem.GetType(localProcedure.returntype.UID);
localProcedure.returntype.IsIndexable = funcDef.ReturnType.IsIndexable;
localProcedure.returntype.rank = funcDef.ReturnType.rank;
localProcedure.runtimeIndex = codeBlock.codeBlockId;
globalProcIndex = codeBlock.procedureTable.Append(localProcedure);
compileState.ProcNode = localProcedure;
CodeRangeTable.AddCodeBlockFunctionEntry(codeBlock.codeBlockId,
globalProcIndex,
funcDef.FunctionBody.line,
funcDef.FunctionBody.col,
funcDef.FunctionBody.endLine,
funcDef.FunctionBody.endCol,
compileState.CurrentDSFileName);
// Append arg symbols
if (null != funcDef.Signature)
{
foreach (VarDeclNode argNode in funcDef.Signature.Arguments)
{
IdentifierNode paramNode = null;
bool aIsDefault = false;
ProtoCore.AST.Node aDefaultExpression = null;
if (argNode.NameNode is IdentifierNode)
{
paramNode = argNode.NameNode as IdentifierNode;
}
else if (argNode.NameNode is BinaryExpressionNode)
{
BinaryExpressionNode bNode = argNode.NameNode as BinaryExpressionNode;
paramNode = bNode.LeftNode as IdentifierNode;
aIsDefault = true;
aDefaultExpression = bNode;
//buildStatus.LogSemanticError("Defualt parameters are not supported");
//throw new BuildHaltException();
}
else
{
Debug.Assert(false, "Check generated AST");
}
ProtoCore.Type argType = new ProtoCore.Type();
argType.UID = compileState.TypeSystem.GetType(argNode.ArgumentType.Name);
if (argType.UID == ProtoCore.DSASM.Constants.kInvalidIndex)
argType.UID = (int)PrimitiveType.kTypeVar;
argType.Name = compileState.TypeSystem.GetType(argType.UID);
argType.IsIndexable = argNode.ArgumentType.IsIndexable;
argType.rank = argNode.ArgumentType.rank;
int symbolIndex = AllocateArg(paramNode.Value, localProcedure.procId, argType);
if (ProtoCore.DSASM.Constants.kInvalidIndex == symbolIndex)
{
throw new BuildHaltException();
}
localProcedure.argTypeList.Add(argType);
ProtoCore.DSASM.ArgumentInfo argInfo = new ProtoCore.DSASM.ArgumentInfo { isDefault = aIsDefault, defaultExpression = aDefaultExpression, Name = paramNode.Name };
localProcedure.argInfoList.Add(argInfo);
}
}
ExceptionRegistration registration = compileState.ExceptionHandlingManager.ExceptionTable.GetExceptionRegistration(codeBlock.codeBlockId, globalProcIndex, globalClassIndex);
if (registration == null)
{
registration = compileState.ExceptionHandlingManager.ExceptionTable.Register(codeBlock.codeBlockId, globalProcIndex, globalClassIndex);
Debug.Assert(registration != null);
}
}
else if (parseGlobalFunctionBody)
{
// Build arglist for comparison
List<ProtoCore.Type> argList = new List<ProtoCore.Type>();
if (null != funcDef.Signature)
{
foreach (VarDeclNode argNode in funcDef.Signature.Arguments)
{
int argType = compileState.TypeSystem.GetType(argNode.ArgumentType.Name);
bool isArray = argNode.ArgumentType.IsIndexable;
int rank = argNode.ArgumentType.rank;
argList.Add(compileState.TypeSystem.BuildTypeObject(argType, isArray, rank));
}
}
// Get the exisitng procedure that was added on the previous pass
globalProcIndex = codeBlock.procedureTable.IndexOfExact(funcDef.Name, argList);
localProcedure = codeBlock.procedureTable.procList[globalProcIndex];
Debug.Assert(null != localProcedure);
// Copy the active function to the core so nested language blocks can refer to it
compileState.ProcNode = localProcedure;
// Arguments have been allocated, update the baseOffset
localProcedure.localCount = compileState.BaseOffset;
ProtoCore.FunctionEndPoint fep = null;
//Traverse default argument
foreach (ProtoCore.DSASM.ArgumentInfo argNode in localProcedure.argInfoList)
{
if (!argNode.isDefault)
{
continue;
}
BinaryExpressionNode bNode = argNode.defaultExpression as BinaryExpressionNode;
// build a temporay node for statement : temp = defaultarg;
IdentifierNode iNodeTemp = new IdentifierNode()
{
Value = ProtoCore.DSASM.Constants.kTempDefaultArg,
Name = ProtoCore.DSASM.Constants.kTempDefaultArg,
datatype = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, false)
};
BinaryExpressionNode bNodeTemp = new BinaryExpressionNode();
bNodeTemp.LeftNode = iNodeTemp;
bNodeTemp.Optr = ProtoCore.DSASM.Operator.assign;
bNodeTemp.RightNode = bNode.LeftNode;
EmitBinaryExpressionNode(bNodeTemp, ref inferedType);
////duild an inline conditional node for statement: defaultarg = (temp == DefaultArgNode) ? defaultValue : temp;
//InlineConditionalNode icNode = new InlineConditionalNode();
//BinaryExpressionNode cExprNode = new BinaryExpressionNode();
//cExprNode.Optr = ProtoCore.DSASM.Operator.eq;
//cExprNode.LeftNode = iNodeTemp;
//cExprNode.RightNode = new DefaultArgNode();
//icNode.ConditionExpression = cExprNode;
//icNode.TrueExpression = bNode.RightNode;
//icNode.FalseExpression = iNodeTemp;
//bNodeTemp.LeftNode = bNode.LeftNode;
//bNodeTemp.RightNode = icNode;
//EmitBinaryExpressionNode(bNodeTemp, ref inferedType);
}
// Traverse definition
bool hasReturnStatement = false;
foreach (ImperativeNode bnode in funcDef.FunctionBody.Body)
{
DfsTraverse(bnode, ref inferedType);
BinaryExpressionNode binaryNode = bnode as BinaryExpressionNode;
hasReturnStatement = hasReturnStatement || ((binaryNode != null) && (binaryNode.LeftNode.Name == ProtoCore.DSDefinitions.Keyword.Return));
}
// All locals have been stack allocated, update the local count of this function
localProcedure.localCount = compileState.BaseOffset;
// Update the param stack indices of this function
foreach (ProtoCore.DSASM.SymbolNode symnode in codeBlock.symbolTable.symbolList.Values)
{
if (symnode.functionIndex == localProcedure.procId && symnode.isArgument)
{
symnode.index -= localProcedure.localCount;
}
}
ProtoCore.Lang.JILActivationRecord record = new ProtoCore.Lang.JILActivationRecord();
record.pc = localProcedure.pc;
record.locals = localProcedure.localCount;
record.classIndex = ProtoCore.DSASM.Constants.kInvalidIndex;
record.funcIndex = localProcedure.procId;
fep = new ProtoCore.Lang.JILFunctionEndPoint(record);
// Construct the fep arguments
fep.FormalParams = new ProtoCore.Type[localProcedure.argTypeList.Count];
fep.BlockScope = this.codeBlock.codeBlockId;
localProcedure.argTypeList.CopyTo(fep.FormalParams, 0);
// TODO Jun: 'classIndexAtCallsite' is the class index as it is stored at the callsite function tables
// Determine whether this still needs to be aligned to the actual 'classIndex' variable
// The factors that will affect this is whether the 2 function tables (compiler and callsite) need to be merged
int classIndexAtCallsite = ProtoCore.DSASM.Constants.kInvalidIndex + 1;
compileState.FunctionTable.AddFunctionEndPointer(classIndexAtCallsite, funcDef.Name, fep);
//Fuqiang: return is already done in traversing the function body
//// function return
//EmitInstrConsole(ProtoCore.DSASM.kw.ret);
//EmitReturn();
}
compileState.ProcNode = localProcedure = null;
globalProcIndex = ProtoCore.DSASM.Constants.kGlobalScope;
argOffset = 0;
compileState.BaseOffset = 0;
codeBlock.blockType = originalBlockType;
}
private void EmitConstructorDefinitionNode(AssociativeNode node, ref ProtoCore.Type inferedType, ProtoCore.DSASM.AssociativeSubCompilePass subPass = ProtoCore.DSASM.AssociativeSubCompilePass.kNone)
{
ConstructorDefinitionNode funcDef = node as ConstructorDefinitionNode;
ProtoCore.DSASM.CodeBlockType originalBlockType = codeBlock.blockType;
codeBlock.blockType = ProtoCore.DSASM.CodeBlockType.kFunction;
if (IsParsingMemberFunctionSig())
{
Debug.Assert(null == localProcedure);
localProcedure = new ProtoCore.DSASM.ProcedureNode();
localProcedure.name = funcDef.Name;
localProcedure.pc = ProtoCore.DSASM.Constants.kInvalidIndex;
localProcedure.localCount = 0;// Defer till all locals are allocated
localProcedure.returntype.UID = core.TypeSystem.GetType(funcDef.ReturnType.Name);
if (localProcedure.returntype.UID == ProtoCore.DSASM.Constants.kInvalidIndex)
localProcedure.returntype.UID = (int)PrimitiveType.kTypeVar;
localProcedure.returntype.Name = core.TypeSystem.GetType(localProcedure.returntype.UID);
localProcedure.returntype.IsIndexable = false;
localProcedure.isConstructor = true;
localProcedure.runtimeIndex = 0;
Debug.Assert(ProtoCore.DSASM.Constants.kInvalidIndex != globalClassIndex, "A constructor node must be associated with class");
localProcedure.localCount = 0;
int peekFunctionindex = core.ClassTable.ClassNodes[globalClassIndex].vtable.procList.Count;
if (!funcDef.IsExternLib)
CodeRangeTable.AddClassBlockFunctionEntry(globalClassIndex,
peekFunctionindex,
funcDef.FunctionBody.line,
funcDef.FunctionBody.col,
funcDef.FunctionBody.endLine,
funcDef.FunctionBody.endCol,
core.CurrentDSFileName);
// Append arg symbols
List<KeyValuePair<string, ProtoCore.Type>> argsToBeAllocated = new List<KeyValuePair<string, ProtoCore.Type>>();
if (null != funcDef.Signature)
{
int argNumber = 0;
foreach (VarDeclNode argNode in funcDef.Signature.Arguments)
{
++argNumber;
IdentifierNode paramNode = null;
bool aIsDefault = false;
ProtoCore.AST.Node aDefaultExpression = null;
if (argNode.NameNode is IdentifierNode)
{
paramNode = argNode.NameNode as IdentifierNode;
}
else if (argNode.NameNode is BinaryExpressionNode)
{
BinaryExpressionNode bNode = argNode.NameNode as BinaryExpressionNode;
paramNode = bNode.LeftNode as IdentifierNode;
aIsDefault = true;
aDefaultExpression = bNode;
//buildStatus.LogSemanticError("Default parameters are not supported");
//throw new BuildHaltException();
}
else
{
Debug.Assert(false, "Check generated AST");
}
ProtoCore.Type argType = new ProtoCore.Type();
argType.UID = core.TypeSystem.GetType(argNode.ArgumentType.Name);
if (argType.UID == ProtoCore.DSASM.Constants.kInvalidIndex)
argType.UID = (int)PrimitiveType.kTypeVar;
argType.Name = core.TypeSystem.GetType(argType.UID);
argType.IsIndexable = argNode.ArgumentType.IsIndexable;
argType.rank = argNode.ArgumentType.rank;
argsToBeAllocated.Add(new KeyValuePair<string, ProtoCore.Type>(paramNode.Value, argType));
localProcedure.argTypeList.Add(argType);
ProtoCore.DSASM.ArgumentInfo argInfo = new ProtoCore.DSASM.ArgumentInfo { isDefault = aIsDefault, defaultExpression = aDefaultExpression, Name = paramNode.Name };
localProcedure.argInfoList.Add(argInfo);
}
}
int findex = core.ClassTable.ClassNodes[globalClassIndex].vtable.Append(localProcedure);
// Comment Jun: Catch this assert given the condition as this type of mismatch should never occur
if (ProtoCore.DSASM.Constants.kInvalidIndex != findex)
{
Debug.Assert(peekFunctionindex == localProcedure.procId);
argsToBeAllocated.ForEach(arg =>
{
int symbolIndex = AllocateArg(arg.Key, findex, arg.Value);
if (ProtoCore.DSASM.Constants.kInvalidIndex == symbolIndex)
{
throw new BuildHaltException();
}
});
}
}
else if (IsParsingMemberFunctionBody())
{
// Build arglist for comparison
List<ProtoCore.Type> argList = new List<ProtoCore.Type>();
if (null != funcDef.Signature)
{
foreach (VarDeclNode argNode in funcDef.Signature.Arguments)
{
int argType = core.TypeSystem.GetType(argNode.ArgumentType.Name);
bool isArray = argNode.ArgumentType.IsIndexable;
int rank = argNode.ArgumentType.rank;
argList.Add(core.TypeSystem.BuildTypeObject(argType, isArray, rank));
}
}
globalProcIndex = core.ClassTable.ClassNodes[globalClassIndex].vtable.IndexOfExact(funcDef.Name, argList);
Debug.Assert(null == localProcedure);
localProcedure = core.ClassTable.ClassNodes[globalClassIndex].vtable.procList[globalProcIndex];
Debug.Assert(null != localProcedure);
if (null == localProcedure)
return;
if (-1 == localProcedure.classScope && (localProcedure.classScope != globalClassIndex))
localProcedure.classScope = globalClassIndex; // Assign class index if it's not done.
ProtoCore.FunctionEndPoint fep = null;
if (!funcDef.IsExternLib)
{
// Traverse default assignment for the class
foreach (BinaryExpressionNode bNode in core.ClassTable.ClassNodes[globalClassIndex].defaultArgExprList)
{
EmitBinaryExpressionNode(bNode, ref inferedType, false, null, subPass);
UpdateType(bNode.LeftNode.Name, ProtoCore.DSASM.Constants.kInvalidIndex, inferedType);
}
//Traverse default argument for the constructor
foreach (ProtoCore.DSASM.ArgumentInfo argNode in localProcedure.argInfoList)
{
if (!argNode.isDefault)
{
continue;
}
BinaryExpressionNode bNode = argNode.defaultExpression as BinaryExpressionNode;
// build a temporay node for statement : temp = defaultarg;
IdentifierNode iNodeTemp = new IdentifierNode()
{
Value = ProtoCore.DSASM.Constants.kTempDefaultArg,
Name = ProtoCore.DSASM.Constants.kTempDefaultArg,
datatype = core.TypeSystem.BuildTypeObject(PrimitiveType.kTypeVar, false)
};
BinaryExpressionNode bNodeTemp = new BinaryExpressionNode();
bNodeTemp.LeftNode = iNodeTemp;
bNodeTemp.Optr = ProtoCore.DSASM.Operator.assign;
bNodeTemp.RightNode = bNode.LeftNode;
EmitBinaryExpressionNode(bNodeTemp, ref inferedType);
//duild an inline conditional node for statement: defaultarg = (temp == DefaultArgNode) ? defaultValue : temp;
InlineConditionalNode icNode = new InlineConditionalNode();
BinaryExpressionNode cExprNode = new BinaryExpressionNode();
cExprNode.Optr = ProtoCore.DSASM.Operator.eq;
cExprNode.LeftNode = iNodeTemp;
cExprNode.RightNode = new DefaultArgNode();
icNode.ConditionExpression = cExprNode;
icNode.TrueExpression = bNode.RightNode;
icNode.FalseExpression = iNodeTemp;
bNodeTemp.LeftNode = bNode.LeftNode;
bNodeTemp.RightNode = icNode;
EmitBinaryExpressionNode(bNodeTemp, ref inferedType);
}
// Traverse definition
foreach (AssociativeNode bnode in funcDef.FunctionBody.Body)
{
inferedType.UID = (int)PrimitiveType.kTypeVoid;
inferedType.rank = 0;
DfsTraverse(bnode, ref inferedType, false, null, subPass);
}
// All locals have been stack allocated, update the local count of this function
localProcedure.localCount = core.BaseOffset;
core.ClassTable.ClassNodes[globalClassIndex].vtable.procList[globalProcIndex].localCount = core.BaseOffset;
// Update the param stack indices of this function
foreach (ProtoCore.DSASM.SymbolNode symnode in core.ClassTable.ClassNodes[globalClassIndex].symbols.symbolList.Values)
{
if (symnode.functionIndex == globalProcIndex && symnode.isArgument)
{
symnode.index -= localProcedure.localCount;
}
}
// JIL FEP
ProtoCore.Lang.JILActivationRecord record = new ProtoCore.Lang.JILActivationRecord();
record.pc = localProcedure.pc;
record.locals = localProcedure.localCount;
record.classIndex = globalClassIndex;
record.funcIndex = globalProcIndex;
// Construct the fep arguments
fep = new ProtoCore.Lang.JILFunctionEndPoint(record);
}
else
{
ProtoCore.Lang.JILActivationRecord jRecord = new ProtoCore.Lang.JILActivationRecord();
jRecord.pc = localProcedure.pc;
jRecord.locals = localProcedure.localCount;
jRecord.classIndex = globalClassIndex;
jRecord.funcIndex = localProcedure.procId;
ProtoCore.Lang.FFIActivationRecord record = new ProtoCore.Lang.FFIActivationRecord();
record.JILRecord = jRecord;
record.FunctionName = funcDef.Name;
record.ModuleName = funcDef.ExternLibName;
record.ModuleType = "dll";
record.IsDNI = false;
record.ReturnType = funcDef.ReturnType;
record.ParameterTypes = localProcedure.argTypeList;
fep = new ProtoCore.Lang.FFIFunctionEndPoint(record);
}
// Construct the fep arguments
fep.FormalParams = new ProtoCore.Type[localProcedure.argTypeList.Count];
localProcedure.argTypeList.CopyTo(fep.FormalParams, 0);
// TODO Jun: 'classIndexAtCallsite' is the class index as it is stored at the callsite function tables
// Determine whether this still needs to be aligned to the actual 'classIndex' variable
// The factors that will affect this is whether the 2 function tables (compiler and callsite) need to be merged
int classIndexAtCallsite = globalClassIndex + 1;
core.FunctionTable.AddFunctionEndPointer(classIndexAtCallsite, funcDef.Name, fep);
// Build and append a graphnode for this return statememt
ProtoCore.DSASM.SymbolNode returnNode = new ProtoCore.DSASM.SymbolNode();
returnNode.name = "return";
}
// Constructors have no return statemetns, reset variables here
core.ProcNode = localProcedure = null;
globalProcIndex = ProtoCore.DSASM.Constants.kGlobalScope;
core.BaseOffset = 0;
argOffset = 0;
classOffset = 0;
codeBlock.blockType = originalBlockType;
}