protected override void EmitReturnNull() { int startpc = pc; EmitPushNull(); EmitReturnToRegister(); // Build and append a graphnode for this return statememt ProtoCore.DSASM.SymbolNode returnNode = new ProtoCore.DSASM.SymbolNode(); returnNode.name = ProtoCore.DSDefinitions.Keyword.Return; ProtoCore.AssociativeGraph.GraphNode retNode = new ProtoCore.AssociativeGraph.GraphNode(); //retNode.symbol = returnNode; retNode.PushSymbolReference(returnNode); retNode.procIndex = globalProcIndex; retNode.classIndex = globalClassIndex; retNode.updateBlock.startpc = startpc; retNode.updateBlock.endpc = pc - 1; retNode.isReturn = true; PushGraphNode(retNode); }
private void EmitConstructorDefinitionNode(AssociativeNode node, ref ProtoCore.Type inferedType, ProtoCore.CompilerDefinitions.Associative.SubCompilePass subPass = ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kNone, GraphNode gNode = null) { ConstructorDefinitionNode funcDef = node as ConstructorDefinitionNode; ProtoCore.DSASM.CodeBlockType originalBlockType = codeBlock.blockType; codeBlock.blockType = ProtoCore.DSASM.CodeBlockType.kFunction; if (IsParsingMemberFunctionSig()) { Validity.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 ProtoCore.Type returnType = localProcedure.ReturnType; if (globalClassIndex != -1) returnType.Name = core.ClassTable.ClassNodes[globalClassIndex].Name; returnType.UID = globalClassIndex; returnType.rank = 0; localProcedure.ReturnType = returnType; localProcedure.IsConstructor = true; localProcedure.RuntimeIndex = 0; localProcedure.IsExternal = funcDef.IsExternLib; Validity.Assert(ProtoCore.DSASM.Constants.kInvalidIndex != globalClassIndex, "A constructor node must be associated with class"); localProcedure.LocalCount = 0; localProcedure.ClassID = globalClassIndex; localProcedure.MethodAttribute = funcDef.MethodAttributes; int peekFunctionindex = core.ClassTable.ClassNodes[globalClassIndex].ProcTable.Procedures.Count; // Append arg symbols List<KeyValuePair<string, ProtoCore.Type>> argsToBeAllocated = new List<KeyValuePair<string, ProtoCore.Type>>(); if (null != funcDef.Signature) { foreach (VarDeclNode argNode in funcDef.Signature.Arguments) { var argInfo = BuildArgumentInfoFromVarDeclNode(argNode); localProcedure.ArgumentInfos.Add(argInfo); var argType = BuildArgumentTypeFromVarDeclNode(argNode, gNode); localProcedure.ArgumentTypes.Add(argType); argsToBeAllocated.Add(new KeyValuePair<string, ProtoCore.Type>(argInfo.Name, argType)); } localProcedure.IsVarArg = funcDef.Signature.IsVarArg; } int findex = core.ClassTable.ClassNodes[globalClassIndex].ProcTable.Append(localProcedure); // Comment Jun: Catch this assert given the condition as this type of mismatch should never occur if (ProtoCore.DSASM.Constants.kInvalidIndex != findex) { Validity.Assert(peekFunctionindex == localProcedure.ID); argsToBeAllocated.ForEach(arg => { int symbolIndex = AllocateArg(arg.Key, findex, arg.Value); if (ProtoCore.DSASM.Constants.kInvalidIndex == symbolIndex) { throw new BuildHaltException("44B557F1"); } }); } else { string message = String.Format(ProtoCore.Properties.Resources.kMethodAlreadyDefined, localProcedure.Name); buildStatus.LogWarning(WarningID.kFunctionAlreadyDefined, message, core.CurrentDSFileName, funcDef.line, funcDef.col, gNode); funcDef.skipMe = true; } } else if (IsParsingMemberFunctionBody()) { EmitCompileLogFunctionStart(GetFunctionSignatureString(funcDef.Name, funcDef.ReturnType, funcDef.Signature, true)); // Build arglist for comparison List<ProtoCore.Type> argList = new List<ProtoCore.Type>(); if (null != funcDef.Signature) { foreach (VarDeclNode argNode in funcDef.Signature.Arguments) { ProtoCore.Type argType = BuildArgumentTypeFromVarDeclNode(argNode, gNode); argList.Add(argType); } } var procNode = core.ClassTable.ClassNodes[globalClassIndex].ProcTable.GetFunctionBySignature(funcDef.Name, argList); globalProcIndex = procNode == null ? Constants.kInvalidIndex : procNode.ID; Validity.Assert(null == localProcedure); localProcedure = core.ClassTable.ClassNodes[globalClassIndex].ProcTable.Procedures[globalProcIndex]; Validity.Assert(null != localProcedure); localProcedure.Attributes = PopulateAttributes(funcDef.Attributes); // Its only on the parse body pass where the real pc is determined. Update this procedures' pc //Validity.Assert(ProtoCore.DSASM.Constants.kInvalidIndex == localProcedure.pc); localProcedure.PC = pc; EmitInstrConsole(ProtoCore.DSASM.kw.allocc, localProcedure.Name); EmitAllocc(globalClassIndex); setConstructorStartPC = true; EmitCallingForBaseConstructor(globalClassIndex, funcDef.BaseConstructor); ProtoCore.FunctionEndPoint fep = null; if (!funcDef.IsExternLib) { // Traverse default assignment for the class emitDebugInfo = false; List<AssociativeNode> defaultArgList = core.ClassTable.ClassNodes[globalClassIndex].DefaultArgExprList; defaultArgList = BuildSSA(defaultArgList, context); foreach (BinaryExpressionNode bNode in defaultArgList) { ProtoCore.AssociativeGraph.GraphNode graphNode = new ProtoCore.AssociativeGraph.GraphNode(); graphNode.exprUID = bNode.ExpressionUID; graphNode.ssaExpressionUID = bNode.SSAExpressionUID; graphNode.procIndex = globalProcIndex; graphNode.classIndex = globalClassIndex; graphNode.languageBlockId = codeBlock.codeBlockId; graphNode.isAutoGenerated = true; bNode.IsProcedureOwned = graphNode.ProcedureOwned = true; EmitBinaryExpressionNode(bNode, ref inferedType, false, graphNode, subPass); } //Traverse default argument for the constructor foreach (ProtoCore.DSASM.ArgumentInfo argNode in localProcedure.ArgumentInfos) { if (!argNode.IsDefault) { continue; } BinaryExpressionNode bNode = argNode.DefaultExpression as BinaryExpressionNode; // build a temporay node for statement : temp = defaultarg; var iNodeTemp =AstFactory.BuildIdentifier(Constants.kTempDefaultArg); 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(); icNode.IsAutoGenerated = true; 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); } emitDebugInfo = true; EmitCodeBlock(funcDef.FunctionBody.Body, ref inferedType, subPass, true); // Build dependency within the function ProtoCore.AssociativeEngine.Utils.BuildGraphNodeDependencies( codeBlock.instrStream.dependencyGraph.GetGraphNodesAtScope(globalClassIndex, globalProcIndex)); // All locals have been stack allocated, update the local count of this function localProcedure.LocalCount = core.BaseOffset; core.ClassTable.ClassNodes[globalClassIndex].ProcTable.Procedures[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.ID; 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.ArgumentTypes; fep = new ProtoCore.Lang.FFIFunctionEndPoint(record); } // Construct the fep arguments fep.FormalParams = new ProtoCore.Type[localProcedure.ArgumentTypes.Count]; fep.procedureNode = localProcedure; localProcedure.ArgumentTypes.CopyTo(fep.FormalParams, 0); // 'classIndexAtCallsite' is the class index as it is stored at the callsite function tables int classIndexAtCallsite = globalClassIndex + 1; core.FunctionTable.InitGlobalFunctionEntry(classIndexAtCallsite); Dictionary<string, FunctionGroup> fgroup = core.FunctionTable.GlobalFuncTable[classIndexAtCallsite]; if (!fgroup.ContainsKey(funcDef.Name)) { // Create a new function group in this class ProtoCore.FunctionGroup funcGroup = new ProtoCore.FunctionGroup(); funcGroup.FunctionEndPoints.Add(fep); // Add this group to the class function tables core.FunctionTable.GlobalFuncTable[classIndexAtCallsite].Add(funcDef.Name, funcGroup); } else { // Add this fep into the exisitng function group core.FunctionTable.GlobalFuncTable[classIndexAtCallsite][funcDef.Name].FunctionEndPoints.Add(fep); } int startpc = pc; // Constructors auto return EmitInstrConsole(ProtoCore.DSASM.kw.retc); // Stepping out of a constructor body will have the execution cursor // placed right at the closing curly bracket of the constructor definition. // int closeCurlyBracketLine = 0, closeCurlyBracketColumn = -1; if (null != funcDef.FunctionBody) { closeCurlyBracketLine = funcDef.FunctionBody.endLine; closeCurlyBracketColumn = funcDef.FunctionBody.endCol; } // The execution cursor covers exactly one character -- the closing // curly bracket. Note that we decrement the start-column by one here // because end-column of "FunctionBody" here is *after* the closing // curly bracket, so we want one before that. // EmitRetc(closeCurlyBracketLine, closeCurlyBracketColumn - 1, closeCurlyBracketLine, closeCurlyBracketColumn); // Build and append a graphnode for this return statememt ProtoCore.DSASM.SymbolNode returnNode = new ProtoCore.DSASM.SymbolNode(); returnNode.name = ProtoCore.DSDefinitions.Keyword.Return; ProtoCore.AssociativeGraph.GraphNode retNode = new ProtoCore.AssociativeGraph.GraphNode(); //retNode.symbol = returnNode; retNode.PushSymbolReference(returnNode); retNode.procIndex = globalProcIndex; retNode.classIndex = globalClassIndex; retNode.updateBlock.startpc = startpc; retNode.updateBlock.endpc = pc - 1; PushGraphNode(retNode); EmitCompileLogFunctionEnd(); } // 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; }
private void EmitBinaryExpressionNode(AssociativeNode node, ref ProtoCore.Type inferedType, bool isBooleanOp = false, ProtoCore.AssociativeGraph.GraphNode graphNode = null, ProtoCore.CompilerDefinitions.Associative.SubCompilePass subPass = ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kNone, bool isTempExpression = false) { BinaryExpressionNode bnode = null; if (!IsParsingGlobal() && !IsParsingGlobalFunctionBody() && !IsParsingMemberFunctionBody()) return; bool isBooleanOperation = false; bnode = node as BinaryExpressionNode; ProtoCore.Type leftType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, 0); ProtoCore.Type rightType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, 0); DebugProperties.BreakpointOptions oldOptions = core.DebuggerProperties.breakOptions; // If this is an assignment statement, setup the top level graph node bool isGraphInScope = false; if (ProtoCore.DSASM.Operator.assign == bnode.Optr) { if (null == graphNode) { isGraphInScope = true; EmitCompileLog("==============Start Node==============\n"); graphNode = new ProtoCore.AssociativeGraph.GraphNode(); graphNode.AstID = bnode.ID; graphNode.OriginalAstID = bnode.OriginalAstID; graphNode.exprUID = bnode.ExpressionUID; graphNode.ssaSubExpressionID = bnode.SSASubExpressionID; graphNode.ssaExpressionUID = bnode.SSAExpressionUID; graphNode.IsModifier = bnode.IsModifier; graphNode.guid = bnode.guid; graphNode.procIndex = globalProcIndex; graphNode.classIndex = globalClassIndex; graphNode.languageBlockId = codeBlock.codeBlockId; graphNode.ProcedureOwned = bnode.IsProcedureOwned; // // Comment Jun: // If the expression ID of the assignment node in the context execDirtyFlag list is false, // it means that it was already executed. This needs to be marked as not dirty if (core.Options.IsDeltaExecution) { if (context.exprExecutionFlags.ContainsKey(bnode.ExpressionUID)) { graphNode.isDirty = context.exprExecutionFlags[bnode.ExpressionUID]; } } } if (bnode.isSSAFirstAssignment) { firstSSAGraphNode = graphNode; } HandlePointerList(bnode); if (bnode.LeftNode is IdentifierListNode) { // If the lhs is an identifierlist then emit the entire expression here // This also handles the dependencies of expressions where the lhs is a member variable (this.x = y) EmitLHSIdentifierListForBinaryExpr(bnode, ref inferedType, isBooleanOp, graphNode, subPass); if (isGraphInScope) { EmitCompileLog("==============End Node==============\n"); } return; } else if (bnode.LeftNode is IdentifierNode) { if (bnode.LeftNode.Name.Equals(ProtoCore.DSDefinitions.Keyword.This)) { string errorMessage = ProtoCore.Properties.Resources.kInvalidThis; if (localProcedure != null) { if (localProcedure.IsStatic) { errorMessage = ProtoCore.Properties.Resources.kUsingThisInStaticFunction; } else if (localProcedure.ClassID == Constants.kGlobalScope) { errorMessage = ProtoCore.Properties.Resources.kInvalidThis; } else { errorMessage = ProtoCore.Properties.Resources.kAssingToThis; } } core.BuildStatus.LogWarning(WarningID.kInvalidThis, errorMessage, core.CurrentDSFileName, bnode.line, bnode.col, graphNode); if (isGraphInScope) { EmitCompileLog("==============End Node==============\n"); } return; } if (EmitLHSThisDotProperyForBinaryExpr(bnode, ref inferedType, isBooleanOp, graphNode, subPass)) { if (isGraphInScope) { EmitCompileLog("==============End Node==============\n"); } return; } } } else //(ProtoCore.DSASM.Operator.assign != b.Optr) { // Traversing the left node if this binary expression is not an assignment // isBooleanOperation = ProtoCore.DSASM.Operator.lt == bnode.Optr || ProtoCore.DSASM.Operator.gt == bnode.Optr || ProtoCore.DSASM.Operator.le == bnode.Optr || ProtoCore.DSASM.Operator.ge == bnode.Optr || ProtoCore.DSASM.Operator.eq == bnode.Optr || ProtoCore.DSASM.Operator.nq == bnode.Optr || ProtoCore.DSASM.Operator.and == bnode.Optr || ProtoCore.DSASM.Operator.or == bnode.Optr; DfsTraverse(bnode.LeftNode, ref inferedType, isBooleanOperation, graphNode, subPass); if (inferedType.UID == (int)PrimitiveType.kTypeFunctionPointer && subPass != ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kUnboundIdentifier && emitDebugInfo) { buildStatus.LogSemanticError(Resources.FunctionPointerNotAllowedAtBinaryExpression, core.CurrentDSFileName, bnode.LeftNode.line, bnode.LeftNode.col); } leftType.UID = inferedType.UID; leftType.rank = inferedType.rank; } int startpc = ProtoCore.DSASM.Constants.kInvalidIndex; if ((ProtoCore.DSASM.Operator.assign == bnode.Optr) && (bnode.RightNode is LanguageBlockNode)) { inferedType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, 0); } if (null != localProcedure && localProcedure.IsConstructor && setConstructorStartPC) { startpc -= 1; setConstructorStartPC = false; } if (bnode.RightNode == null && bnode.Optr == Operator.assign && bnode.LeftNode is IdentifierNode) { DebugProperties.BreakpointOptions newOptions = oldOptions; newOptions |= DebugProperties.BreakpointOptions.SuppressNullVarDeclarationBreakpoint; core.DebuggerProperties.breakOptions = newOptions; IdentifierNode t = bnode.LeftNode as IdentifierNode; ProtoCore.DSASM.SymbolNode symbolnode = null; bool isAccessible = false; bool hasAllocated = VerifyAllocation(t.Value, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); if (hasAllocated) { bool allowDependent = graphNode.allowDependents; graphNode.allowDependents = false; bnode.RightNode =AstFactory.BuildIdentifier(t.Value); graphNode.allowDependents = false; } else { bnode.RightNode = new NullNode(); } } // Keep track of current pc, because when travese right node it // may generate null assignment ( x = null; if x hasn't been defined // yet - Yu Ke startpc = pc; DfsTraverse(bnode.RightNode, ref inferedType, isBooleanOperation, graphNode, subPass, node); rightType.UID = inferedType.UID; rightType.rank = inferedType.rank; BinaryExpressionNode rightNode = bnode.RightNode as BinaryExpressionNode; if ((rightNode != null) && (ProtoCore.DSASM.Operator.assign == rightNode.Optr)) { DfsTraverse(rightNode.LeftNode, ref inferedType, false, graphNode); } if (bnode.Optr != ProtoCore.DSASM.Operator.assign) { if (subPass == ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kUnboundIdentifier) { return; } if (inferedType.UID == (int)PrimitiveType.kTypeFunctionPointer && emitDebugInfo) { buildStatus.LogSemanticError(Resources.FunctionPointerNotAllowedAtBinaryExpression, core.CurrentDSFileName, bnode.RightNode.line, bnode.RightNode.col); } EmitBinaryOperation(leftType, rightType, bnode.Optr); isBooleanOp = false; return; } Validity.Assert(null != graphNode); if (!isTempExpression) { graphNode.updateBlock.startpc = pc; } currentBinaryExprUID = bnode.ExpressionUID; // These have been integrated into "EmitGetterSetterForIdentList" so // that stepping through class properties can be supported. Setting // these values here will cause issues with statements like this to // be highlighted in its entirety (all the way up to closing bracket // without highlighting the semi-colon). // // x = foo(a, b); // // bnode.RightNode.line = bnode.line; // bnode.RightNode.col = bnode.col; // bnode.RightNode.endLine = bnode.endLine; // bnode.RightNode.endCol = bnode.endCol; // Traverse the entire RHS expression DfsTraverse(bnode.RightNode, ref inferedType, isBooleanOperation, graphNode, ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kNone, bnode); subPass = ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kUnboundIdentifier; if (bnode.LeftNode is IdentifierNode) { // TODO Jun: Cleansify this block where the lhs is being handled. // For one, make the return as a return node IdentifierNode t = bnode.LeftNode as IdentifierNode; ProtoCore.DSASM.SymbolNode symbolnode = null; ProtoCore.AssociativeGraph.UpdateNodeRef leftNodeGlobalRef = null; string s = t.Value; if (s == ProtoCore.DSDefinitions.Keyword.Return) { Validity.Assert(null == symbolnode); symbolnode = new ProtoCore.DSASM.SymbolNode(); symbolnode.name = s; symbolnode.isTemp = s.StartsWith("%"); symbolnode.functionIndex = globalProcIndex; symbolnode.classScope = globalClassIndex; EmitReturnStatement(node, inferedType); // Comment Jun: The inline conditional holds a graphnode and traversing its body will set isReturn = true // Resolve that here as an inline conditional is obviosuly not a return graphnode if (!graphNode.isInlineConditional) { graphNode.isReturn = true; } } else { leftNodeGlobalRef = GetUpdatedNodeRef(bnode.LeftNode); // check whether the variable name is a function name if (globalClassIndex != ProtoCore.DSASM.Constants.kGlobalScope) { bool isAccessibleFp; int realType; var procNode = core.ClassTable.ClassNodes[globalClassIndex].GetMemberFunction(t.Name, null, globalClassIndex, out isAccessibleFp, out realType); if (procNode != null && procNode.ID != Constants.kInvalidIndex && emitDebugInfo) { buildStatus.LogSemanticError(String.Format(Resources.FunctionAsVariableError, t.Name), core.CurrentDSFileName, t.line, t.col); } } //int type = (int)ProtoCore.PrimitiveType.kTypeVoid; bool isLocalDeclaration = t.IsLocal; bool isAccessible = false; bool isAllocated = false; if (isLocalDeclaration) { isAllocated = VerifyAllocationInScope(t.Name, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); } else { isAllocated = VerifyAllocation(t.Name, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); } int runtimeIndex = (!isAllocated || !isAccessible) ? codeBlock.symbolTable.RuntimeIndex : symbolnode.runtimeTableIndex; if (isAllocated && !isAccessible) { string message = String.Format(ProtoCore.Properties.Resources.kPropertyIsInaccessible, t.Name); buildStatus.LogWarning(WarningID.kAccessViolation, message, core.CurrentDSFileName, t.line, t.col, graphNode); } int dimensions = 0; if (null != t.ArrayDimensions) { graphNode.isIndexingLHS = true; dimensions = DfsEmitArrayIndexHeap(t.ArrayDimensions, graphNode, bnode); } // Comment Jun: Attempt to get the modified argument arrays in the current method // Comment Jun: As of R1 - arrays are copy constructed and cannot propagate update unless explicitly returned ProtoCore.Type castType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, Constants.kArbitraryRank); var tident = bnode.LeftNode as TypedIdentifierNode; if (tident != null) { int castUID = core.ClassTable.IndexOf(tident.datatype.Name); if ((int)PrimitiveType.kInvalidType == castUID) { castType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kInvalidType, 0); castType.Name = tident.datatype.Name; castType.rank = tident.datatype.rank; } else { castType = core.TypeSystem.BuildTypeObject(castUID, tident.datatype.rank); } } if (ProtoCore.DSASM.Constants.kInvalidIndex != globalClassIndex) { // In a class if (ProtoCore.DSASM.Constants.kInvalidIndex == globalProcIndex) { string message = "A binary assignment inside a class must be inside a function (AB5E3EC1)"; buildStatus.LogSemanticError(message, core.CurrentDSFileName, bnode.line, bnode.col); throw new BuildHaltException(message); } // TODO Jun: refactor this by having symbol table functions for retrieval of node index int symbol = ProtoCore.DSASM.Constants.kInvalidIndex; bool isMemVar = false; if (symbolnode != null) { if (symbolnode.classScope != ProtoCore.DSASM.Constants.kInvalidIndex && symbolnode.functionIndex == ProtoCore.DSASM.Constants.kGlobalScope) { isMemVar = true; } symbol = symbolnode.symbolTableIndex; } if (!isMemVar) { // This is local variable // TODO Jun: If this local var exists globally, should it allocate a local copy? if (!isAllocated || !isAccessible) { symbolnode = Allocate(globalClassIndex, globalClassIndex, globalProcIndex, t.Name, inferedType, ProtoCore.DSASM.Constants.kPrimitiveSize, false, ProtoCore.CompilerDefinitions.AccessModifier.kPublic, ProtoCore.DSASM.MemoryRegion.kMemStack, bnode.line, bnode.col); // Add the symbols during watching process to the watch symbol list. if (core.Options.RunMode == ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter) { core.watchSymbolList.Add(symbolnode); } Validity.Assert(symbolnode != null); } else { symbolnode.datatype = inferedType; } if (bnode.LeftNode is TypedIdentifierNode) { symbolnode.SetStaticType(castType); } castType = symbolnode.staticType; EmitPushVarData(dimensions, castType.UID, castType.rank); symbol = symbolnode.symbolTableIndex; if (t.Name == ProtoCore.DSASM.Constants.kTempArg) { EmitInstrConsole(ProtoCore.DSASM.kw.pop, t.Name); EmitPopForSymbol(symbolnode, runtimeIndex); } else { if (core.Options.RunMode != ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter) { EmitInstrConsole(ProtoCore.DSASM.kw.pop, t.Name); EmitPopForSymbol(symbolnode, runtimeIndex, node.line, node.col, node.endLine, node.endCol); } else { EmitInstrConsole(ProtoCore.DSASM.kw.popw, t.Name); EmitPopForSymbolW(symbolnode, runtimeIndex, node.line, node.col, node.endLine, node.endCol); } } } else { if (bnode.LeftNode is TypedIdentifierNode) { symbolnode.SetStaticType(castType); } castType = symbolnode.staticType; EmitPushVarData(dimensions, castType.UID, castType.rank); EmitInstrConsole(ProtoCore.DSASM.kw.popm, t.Name); if (symbolnode.isStatic) { var op = StackValue.BuildStaticMemVarIndex(symbol); EmitPopm(op, runtimeIndex, node.line, node.col, node.endLine, node.endCol); } else { var op = StackValue.BuildMemVarIndex(symbol); EmitPopm(op, runtimeIndex, node.line, node.col, node.endLine, node.endCol); } } //if (t.Name[0] != '%') { AutoGenerateUpdateReference(bnode.LeftNode, graphNode); } // Dependency if (!isTempExpression) { // Dependency graph top level symbol graphNode.PushSymbolReference(symbolnode); EmitDependency(bnode.ExpressionUID, bnode.modBlkUID, bnode.isSSAAssignment); functionCallStack.Clear(); } } else { if (!isAllocated) { symbolnode = Allocate(globalClassIndex, globalClassIndex, globalProcIndex, t.Name, inferedType, ProtoCore.DSASM.Constants.kPrimitiveSize, false, ProtoCore.CompilerDefinitions.AccessModifier.kPublic, ProtoCore.DSASM.MemoryRegion.kMemStack, bnode.line, bnode.col); if (core.Options.RunMode == ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter) { core.watchSymbolList.Add(symbolnode); } if (dimensions > 0) { symbolnode.datatype.rank = dimensions; } } else if (dimensions == 0) { symbolnode.datatype = inferedType; } // // Jun Comment: // Update system uses the following registers: // _ex stores prev value of ident 't' - VM assigned // _fx stores new value - VM assigned // if (bnode.LeftNode is TypedIdentifierNode) { symbolnode.SetStaticType(castType); } castType = symbolnode.staticType; if (bnode.IsInputExpression) { StackValue regLX = StackValue.BuildRegister(Registers.LX); EmitInstrConsole(ProtoCore.DSASM.kw.pop, ProtoCore.DSASM.kw.regLX); EmitPop(regLX, globalClassIndex); graphNode.updateBlock.updateRegisterStartPC = pc; EmitInstrConsole(ProtoCore.DSASM.kw.push, ProtoCore.DSASM.kw.regLX); EmitPush(regLX); } EmitPushVarData(dimensions, castType.UID, castType.rank); if (core.Options.RunMode != ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter) { EmitInstrConsole(ProtoCore.DSASM.kw.pop, symbolnode.name); EmitPopForSymbol(symbolnode, runtimeIndex, node.line, node.col, node.endLine, node.endCol); } else { EmitInstrConsole(ProtoCore.DSASM.kw.popw, symbolnode.name); EmitPopForSymbolW(symbolnode, runtimeIndex, node.line, node.col, node.endLine, node.endCol); } AutoGenerateUpdateReference(bnode.LeftNode, graphNode); // Dependency if (!isTempExpression) { // Dependency graph top level symbol graphNode.PushSymbolReference(symbolnode); EmitDependency(bnode.ExpressionUID, bnode.modBlkUID, bnode.isSSAAssignment); functionCallStack.Clear(); } } } // Dependency graph top level symbol //graphNode.symbol = symbolnode; // Assign the end pc to this graph node's update block // Dependency graph construction is complete for this expression if (!isTempExpression) { if (null != leftNodeGlobalRef) { if (null != localProcedure) { // Track for updated globals only in user defined functions if (!localProcedure.IsAssocOperator && !localProcedure.IsAutoGenerated) { localProcedure.UpdatedGlobalVariables.Push(leftNodeGlobalRef); } } } { if (!graphNode.IsSSANode() && !ProtoCore.AssociativeEngine.Utils.IsTempVarLHS(graphNode)) { // This is the last expression in the SSA'd expression // Backtrack and assign the this last final assignment graphnode to its associated SSA graphnodes for (int n = codeBlock.instrStream.dependencyGraph.GraphList.Count - 1; n >= 0; --n) { GraphNode currentNode = codeBlock.instrStream.dependencyGraph.GraphList[n]; bool isWithinSameScope = currentNode.classIndex == graphNode.classIndex && currentNode.procIndex == graphNode.procIndex; bool isWithinSameExpressionID = currentNode.exprUID == graphNode.exprUID; if (isWithinSameScope && isWithinSameExpressionID) { graphNode.IsLastNodeInSSA = true; if (null == codeBlock.instrStream.dependencyGraph.GraphList[n].lastGraphNode) { codeBlock.instrStream.dependencyGraph.GraphList[n].lastGraphNode = graphNode; } } } } } graphNode.ResolveLHSArrayIndex(); graphNode.updateBlock.endpc = pc - 1; PushGraphNode(graphNode); if (core.InlineConditionalBodyGraphNodes.Count > 0) { core.InlineConditionalBodyGraphNodes.Last().Add(graphNode); } SymbolNode cyclicSymbol1 = null; SymbolNode cyclicSymbol2 = null; if (core.Options.staticCycleCheck) { if (!CyclicDependencyTest(graphNode, ref cyclicSymbol1, ref cyclicSymbol2)) { Validity.Assert(null != cyclicSymbol1); Validity.Assert(null != cyclicSymbol2); // // Set the first symbol that triggers the cycle to null ProtoCore.AssociativeGraph.GraphNode nullAssignGraphNode1 = new ProtoCore.AssociativeGraph.GraphNode(); nullAssignGraphNode1.updateBlock.startpc = pc; EmitPushNull(); EmitPushVarData(0); EmitInstrConsole(ProtoCore.DSASM.kw.pop, cyclicSymbol1.name); EmitPopForSymbol(cyclicSymbol1, cyclicSymbol1.runtimeTableIndex, node.line, node.col, node.endLine, node.endCol); nullAssignGraphNode1.PushSymbolReference(cyclicSymbol1); nullAssignGraphNode1.procIndex = globalProcIndex; nullAssignGraphNode1.classIndex = globalClassIndex; nullAssignGraphNode1.updateBlock.endpc = pc - 1; PushGraphNode(nullAssignGraphNode1); EmitDependency(ProtoCore.DSASM.Constants.kInvalidIndex, ProtoCore.DSASM.Constants.kInvalidIndex, false); // // Set the second symbol that triggers the cycle to null ProtoCore.AssociativeGraph.GraphNode nullAssignGraphNode2 = new ProtoCore.AssociativeGraph.GraphNode(); nullAssignGraphNode2.updateBlock.startpc = pc; EmitPushNull(); EmitPushVarData(0); EmitInstrConsole(ProtoCore.DSASM.kw.pop, cyclicSymbol2.name); EmitPopForSymbol(cyclicSymbol2, cyclicSymbol2.runtimeTableIndex, node.line, node.col, node.endLine, node.endCol); nullAssignGraphNode2.PushSymbolReference(cyclicSymbol2); nullAssignGraphNode2.procIndex = globalProcIndex; nullAssignGraphNode2.classIndex = globalClassIndex; nullAssignGraphNode2.updateBlock.endpc = pc - 1; PushGraphNode(nullAssignGraphNode2); EmitDependency(ProtoCore.DSASM.Constants.kInvalidIndex, ProtoCore.DSASM.Constants.kInvalidIndex, false); } } if (isGraphInScope) { EmitCompileLog("==============End Node==============\n"); } } // Jun Comment: If it just so happens that the inline conditional is in the return statement if (graphNode.isInlineConditional) { graphNode.isReturn = false; if (0 == graphNode.updateNodeRefList.Count) { graphNode.isReturn = true; } } } else { string message = "Illegal assignment (90787393)"; buildStatus.LogSemanticError(message, core.CurrentDSFileName, bnode.line, bnode.col); throw new BuildHaltException(message); } core.DebuggerProperties.breakOptions = oldOptions; }
/// <summary> /// Pushes the symbol as a dependent to graphNode if codegeneration semantic conditions are met /// </summary> /// <param name="symbol"></param> /// <param name="graphNode"></param> private ProtoCore.AssociativeGraph.GraphNode PushSymbolAsDependent(SymbolNode symbol, ProtoCore.AssociativeGraph.GraphNode graphNode) { // Check for symbols that need to be pushed as dependents // Temporary properties and default args are autogenerated and are not part of the assocaitve behavior // For temp properties, refer to: EmitGettersForRHSIdentList // For default arg temp vars, refer to usage of: Constants.kTempDefaultArg if (CoreUtils.IsPropertyTemp(symbol.name) || CoreUtils.IsDefaultArgTemp(symbol.name)) { return null; } ProtoCore.AssociativeGraph.GraphNode dependentNode = new ProtoCore.AssociativeGraph.GraphNode(); dependentNode.PushSymbolReference(symbol, UpdateNodeType.kSymbol); graphNode.PushDependent(dependentNode); return dependentNode; }
private void EmitIdentifierNode(AssociativeNode node, ref ProtoCore.Type inferedType, bool isBooleanOp = false, ProtoCore.AssociativeGraph.GraphNode graphNode = null, ProtoCore.CompilerDefinitions.Associative.SubCompilePass subPass = ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kNone, BinaryExpressionNode parentNode = null) { IdentifierNode t = node as IdentifierNode; if (t.Name.Equals(ProtoCore.DSDefinitions.Keyword.This)) { if (subPass != ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kNone) { return; } if (localProcedure != null) { if (localProcedure.IsStatic) { string message = ProtoCore.Properties.Resources.kUsingThisInStaticFunction; core.BuildStatus.LogWarning(ProtoCore.BuildData.WarningID.kInvalidThis, message, core.CurrentDSFileName, t.line, t.col, graphNode); EmitPushNull(); return; } else if (localProcedure.ClassID == Constants.kGlobalScope) { string message = ProtoCore.Properties.Resources.kInvalidThis; core.BuildStatus.LogWarning(ProtoCore.BuildData.WarningID.kInvalidThis, message, core.CurrentDSFileName, t.line, t.col, graphNode); EmitPushNull(); return; } else { EmitThisPointerNode(subPass); return; } } else { string message = ProtoCore.Properties.Resources.kInvalidThis; core.BuildStatus.LogWarning(ProtoCore.BuildData.WarningID.kInvalidThis, message, core.CurrentDSFileName, t.line, t.col, graphNode); EmitPushNull(); return; } } int dimensions = 0; ProtoCore.DSASM.SymbolNode symbolnode = null; int runtimeIndex = codeBlock.symbolTable.RuntimeIndex; ProtoCore.Type type = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, 0); bool isAccessible = false; bool isAllocated = VerifyAllocation(t.Name, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); if (!isAllocated && null == t.ArrayDimensions) { //check if it is a function instance ProtoCore.DSASM.ProcedureNode procNode = null; procNode = CoreUtils.GetFunctionByName(t.Name, codeBlock); if (null != procNode) { if (ProtoCore.DSASM.Constants.kInvalidIndex != procNode.ID) { // A global function inferedType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeFunctionPointer, 0); if (ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kUnboundIdentifier != subPass) { int fptr = core.FunctionPointerTable.functionPointerDictionary.Count; var fptrNode = new FunctionPointerNode(procNode); core.FunctionPointerTable.functionPointerDictionary.TryAdd(fptr, fptrNode); core.FunctionPointerTable.functionPointerDictionary.TryGetBySecond(fptrNode, out fptr); EmitPushVarData(0); EmitInstrConsole(ProtoCore.DSASM.kw.push, t.Name); StackValue opFunctionPointer = StackValue.BuildFunctionPointer(fptr); EmitPush(opFunctionPointer, runtimeIndex, t.line, t.col); } return; } } } if (ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kUnboundIdentifier == subPass) { if (symbolnode == null) { // The variable is unbound ProtoCore.DSASM.SymbolNode unboundVariable = null; if (ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter != core.Options.RunMode) { inferedType.UID = (int)ProtoCore.PrimitiveType.kTypeNull; // Jun Comment: Specification // If resolution fails at this point a com.Design-Script.Imperative.Core.UnboundIdentifier // warning is emitted during pre-execute phase, and at the ID is bound to null. (R1 - Feb) // Set the first symbol that triggers the cycle to null ProtoCore.AssociativeGraph.GraphNode nullAssignGraphNode = new ProtoCore.AssociativeGraph.GraphNode(); nullAssignGraphNode.updateBlock.startpc = pc; EmitPushNull(); // Push the identifier local block dimensions = 0; EmitPushVarData(dimensions); ProtoCore.Type varType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, 0); // TODO Jun: Refactor Allocate() to just return the symbol node itself unboundVariable = Allocate(globalClassIndex, globalClassIndex, globalProcIndex, t.Value, varType, ProtoCore.DSASM.Constants.kPrimitiveSize, false, ProtoCore.CompilerDefinitions.AccessModifier.kPublic, ProtoCore.DSASM.MemoryRegion.kMemStack, t.line, t.col, graphNode); Validity.Assert(unboundVariable != null); int symbolindex = unboundVariable.symbolTableIndex; if (ProtoCore.DSASM.Constants.kInvalidIndex != globalClassIndex) { symbolnode = core.ClassTable.ClassNodes[globalClassIndex].Symbols.symbolList[symbolindex]; } else { symbolnode = codeBlock.symbolTable.symbolList[symbolindex]; } EmitInstrConsole(ProtoCore.DSASM.kw.pop, t.Value); EmitPopForSymbol(unboundVariable, runtimeIndex); nullAssignGraphNode.PushSymbolReference(symbolnode); nullAssignGraphNode.procIndex = globalProcIndex; nullAssignGraphNode.classIndex = globalClassIndex; nullAssignGraphNode.updateBlock.endpc = pc - 1; PushGraphNode(nullAssignGraphNode); EmitDependency(ProtoCore.DSASM.Constants.kInvalidIndex, ProtoCore.DSASM.Constants.kInvalidIndex, false); } if (isAllocated) { string message = String.Format(ProtoCore.Properties.Resources.kPropertyIsInaccessible, t.Value); if (localProcedure != null && localProcedure.IsStatic) { SymbolNode tempSymbolNode; VerifyAllocation( t.Name, globalClassIndex, Constants.kGlobalScope, out tempSymbolNode, out isAccessible); if (tempSymbolNode != null && !tempSymbolNode.isStatic && isAccessible) { message = String.Format(ProtoCore.Properties.Resources.kUsingNonStaticMemberInStaticContext, t.Value); } } buildStatus.LogWarning( WarningID.kAccessViolation, message, core.CurrentDSFileName, t.line, t.col, graphNode); } else { string message = String.Format(ProtoCore.Properties.Resources.kUnboundIdentifierMsg, t.Value); buildStatus.LogUnboundVariableWarning(unboundVariable, message, core.CurrentDSFileName, t.line, t.col, graphNode); } } if (null != t.ArrayDimensions) { dimensions = DfsEmitArrayIndexHeap(t.ArrayDimensions, graphNode, parentNode, subPass); } } else { if (core.Options.RunMode == ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter && !isAllocated) { // It happens when the debugger try to watch a variable // which has been out of scope (as watch is done through // execute an expression "t = v;" where v is the variable // to be watched. EmitPushNull(); return; } Validity.Assert(isAllocated); if (graphNode != null && IsAssociativeArrayIndexing && !CoreUtils.IsAutoGeneratedVar(symbolnode.name)) { UpdateNode updateNode = new UpdateNode(); updateNode.symbol = symbolnode; updateNode.nodeType = UpdateNodeType.kSymbol; if (graphNode.isIndexingLHS) { graphNode.dimensionNodeList.Add(updateNode); } else { int curDepIndex = graphNode.dependentList.Count - 1; if (curDepIndex >= 0) { var curDep = graphNode.dependentList[curDepIndex].updateNodeRefList[0].nodeList[0]; curDep.dimensionNodeList.Add(updateNode); if (core.Options.GenerateSSA) { if (null != firstSSAGraphNode) { curDepIndex = firstSSAGraphNode.dependentList.Count - 1; if (curDepIndex >= 0) { ProtoCore.AssociativeGraph.UpdateNode firstSSAUpdateNode = firstSSAGraphNode.dependentList[curDepIndex].updateNodeRefList[0].nodeList[0]; firstSSAUpdateNode.dimensionNodeList.Add(updateNode); } } } } } } // If it is a property, replaced it with getter: %get_prop() if (symbolnode.classScope != ProtoCore.DSASM.Constants.kInvalidIndex && symbolnode.functionIndex == ProtoCore.DSASM.Constants.kGlobalScope && localProcedure != null) { string getterName = ProtoCore.DSASM.Constants.kGetterPrefix + t.Name; if (!string.Equals(localProcedure.Name, getterName)) { var thisNode =AstFactory.BuildIdentifier(ProtoCore.DSDefinitions.Keyword.This); var identListNode = AstFactory.BuildIdentList(thisNode, t); EmitIdentifierListNode(identListNode, ref inferedType, false, graphNode, ProtoCore.CompilerDefinitions.Associative.SubCompilePass.kNone); if (null != graphNode) { PushSymbolAsDependent(symbolnode, graphNode); } return; } } type = symbolnode.datatype; runtimeIndex = symbolnode.runtimeTableIndex; // The graph node always depends on this identifier GraphNode dependendNode = null; if (null != graphNode) { dependendNode = PushSymbolAsDependent(symbolnode, graphNode); } // Flags if the variable is allocated in the current scope bool isAllocatedWithinCurrentBlock = symbolnode.codeBlockId == codeBlock.codeBlockId; bool isValidDependent = dependendNode != null && !CoreUtils.IsSSATemp(symbolnode.name); if (!isAllocatedWithinCurrentBlock && isValidDependent) { /* a = 1; i = [Associative] { // In an inner language block: // Add all rhs to the parent graphnode dependency list if the rhs was not allocated at the current scope // Only those not allocated are added to the parent. // This is because external nodes should not be able to update the local block if the affected variable is local to the block // Variable 'x' is local and the outer block statement x = 2 (where x is allocated globally), should not update this inner block x = 10; b = x + 1; return = a + b + 10; } x = 2; a = 2; */ context.DependentVariablesInScope.Add(dependendNode); } bool emitReplicationGuideFlag = emitReplicationGuide; emitReplicationGuide = false; if (null != t.ArrayDimensions) { dimensions = DfsEmitArrayIndexHeap(t.ArrayDimensions, graphNode, parentNode, subPass); } emitReplicationGuide = emitReplicationGuideFlag; //fix type's rank if (type.rank >= 0) { type.rank -= dimensions; if (type.rank < 0) { //throw new Exception("Exceed maximum rank!"); type.rank = 0; } } EmitPushVarData(dimensions); if (ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter == core.Options.RunMode) { EmitInstrConsole(ProtoCore.DSASM.kw.pushw, t.Value); EmitPushForSymbolW(symbolnode, runtimeIndex, t.line, t.col); } else { EmitInstrConsole(ProtoCore.DSASM.kw.push, t.Value); EmitPushForSymbol(symbolnode, runtimeIndex, t); if (emitReplicationGuide) { EmitAtLevel(t.AtLevel); EmitReplicationGuides(t.ReplicationGuides); } } if (core.TypeSystem.IsHigherRank(type.UID, inferedType.UID)) { inferedType = type; } // We need to get inferedType for boolean variable so that we can perform type check inferedType.UID = (isBooleanOp || (type.UID == (int)PrimitiveType.kTypeBool)) ? (int)PrimitiveType.kTypeBool : inferedType.UID; } }
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 = globalClassIndex; localProcedure.returntype.IsIndexable = false; localProcedure.isConstructor = true; localProcedure.runtimeIndex = 0; localProcedure.isExternal = funcDef.IsExternLib; Debug.Assert(ProtoCore.DSASM.Constants.kInvalidIndex != globalClassIndex, "A constructor node must be associated with class"); localProcedure.localCount = 0; localProcedure.classScope = globalClassIndex; int peekFunctionindex = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].vtable.procList.Count; // 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 = BuildArgumentTypeFromVarDeclNode(argNode); argsToBeAllocated.Add(new KeyValuePair<string, ProtoCore.Type>(paramNode.Value, argType)); localProcedure.argTypeList.Add(argType); ProtoCore.DSASM.ArgumentInfo argInfo = new ProtoCore.DSASM.ArgumentInfo { Name = paramNode.Value, isDefault = aIsDefault, defaultExpression = aDefaultExpression }; localProcedure.argInfoList.Add(argInfo); } } int findex = compileStateTracker.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("44B557F1"); } }); } else { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodAlreadyDefined, localProcedure.name); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kFunctionAlreadyDefined, message, compileStateTracker.CurrentDSFileName, funcDef.line, funcDef.col); funcDef.skipMe = true; } } else if (IsParsingMemberFunctionBody()) { EmitCompileLogFunctionStart(GetFunctionSignatureString(funcDef.Name, funcDef.ReturnType, funcDef.Signature, true)); // Build arglist for comparison List<ProtoCore.Type> argList = new List<ProtoCore.Type>(); if (null != funcDef.Signature) { foreach (VarDeclNode argNode in funcDef.Signature.Arguments) { ProtoCore.Type argType = BuildArgumentTypeFromVarDeclNode(argNode); argList.Add(argType); } } globalProcIndex = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].vtable.IndexOfExact(funcDef.Name, argList); Debug.Assert(null == localProcedure); localProcedure = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].vtable.procList[globalProcIndex]; Debug.Assert(null != localProcedure); localProcedure.Attributes = PopulateAttributes(funcDef.Attributes); // 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); localProcedure.pc = pc; EmitInstrConsole(ProtoCore.DSASM.kw.allocc, localProcedure.name); EmitAllocc(globalClassIndex); setConstructorStartPC = true; EmitCallingForBaseConstructor(globalClassIndex, funcDef.baseConstr); ProtoCore.FunctionEndPoint fep = null; if (!funcDef.IsExternLib) { // Traverse default assignment for the class emitDebugInfo = false; foreach (BinaryExpressionNode bNode in compileStateTracker.ClassTable.ClassNodes[globalClassIndex].defaultArgExprList) { ProtoCore.AssociativeGraph.GraphNode graphNode = new ProtoCore.AssociativeGraph.GraphNode(); graphNode.isParent = true; graphNode.exprUID = bNode.exprUID; graphNode.modBlkUID = bNode.modBlkUID; graphNode.procIndex = globalProcIndex; graphNode.classIndex = globalClassIndex; graphNode.isAutoGenerated = true; EmitBinaryExpressionNode(bNode, ref inferedType, false, graphNode, subPass); } //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; var iNodeTemp = nodeBuilder.BuildIdentfier(Constants.kTempDefaultArg); 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(); icNode.IsAutoGenerated = true; 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); } emitDebugInfo = true; // Traverse definition foreach (AssociativeNode bnode in funcDef.FunctionBody.Body) { inferedType.UID = (int)PrimitiveType.kTypeVoid; inferedType.rank = 0; if (bnode is LanguageBlockNode) { // Build a binaryn node with a temporary lhs for every stand-alone language block var iNode = nodeBuilder.BuildIdentfier(compileStateTracker.GenerateTempLangageVar()); BinaryExpressionNode langBlockNode = new BinaryExpressionNode(); langBlockNode.LeftNode = iNode; langBlockNode.Optr = ProtoCore.DSASM.Operator.assign; langBlockNode.RightNode = bnode; DfsTraverse(langBlockNode, ref inferedType, false, null, subPass); } else { DfsTraverse(bnode, ref inferedType, false, null, subPass); } } // All locals have been stack allocated, update the local count of this function localProcedure.localCount = compileStateTracker.BaseOffset; compileStateTracker.ClassTable.ClassNodes[globalClassIndex].vtable.procList[globalProcIndex].localCount = compileStateTracker.BaseOffset; // Update the param stack indices of this function foreach (ProtoCore.DSASM.SymbolNode symnode in compileStateTracker.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]; fep.procedureNode = localProcedure; 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; compileStateTracker.FunctionTable.AddFunctionEndPointer(classIndexAtCallsite, funcDef.Name, fep); int startpc = pc; // Constructors auto return EmitInstrConsole(ProtoCore.DSASM.kw.retc); // Stepping out of a constructor body will have the execution cursor // placed right at the closing curly bracket of the constructor definition. // int closeCurlyBracketLine = 0, closeCurlyBracketColumn = -1; if (null != funcDef.FunctionBody) { closeCurlyBracketLine = funcDef.FunctionBody.endLine; closeCurlyBracketColumn = funcDef.FunctionBody.endCol; } // The execution cursor covers exactly one character -- the closing // curly bracket. Note that we decrement the start-column by one here // because end-column of "FunctionBody" here is *after* the closing // curly bracket, so we want one before that. // EmitRetc(closeCurlyBracketLine, closeCurlyBracketColumn - 1, closeCurlyBracketLine, closeCurlyBracketColumn); // Build and append a graphnode for this return statememt ProtoCore.DSASM.SymbolNode returnNode = new ProtoCore.DSASM.SymbolNode(); returnNode.name = ProtoCore.DSDefinitions.Keyword.Return; ProtoCore.AssociativeGraph.GraphNode retNode = new ProtoCore.AssociativeGraph.GraphNode(); //retNode.symbol = returnNode; retNode.PushSymbolReference(returnNode); retNode.procIndex = globalProcIndex; retNode.classIndex = globalClassIndex; retNode.updateBlock.startpc = startpc; retNode.updateBlock.endpc = pc - 1; codeBlock.instrStream.dependencyGraph.Push(retNode); EmitCompileLogFunctionEnd(); } // Constructors have no return statemetns, reset variables here compileStateTracker.ProcNode = localProcedure = null; globalProcIndex = ProtoCore.DSASM.Constants.kGlobalScope; compileStateTracker.BaseOffset = 0; argOffset = 0; classOffset = 0; codeBlock.blockType = originalBlockType; }
/* proc EmitIdentNode(identnode, graphnode) if ssa // Check an if this identifier is array indexed // The array index is a secondary property and is not the original array property of the AST. this is required because this array index is meant only to resolve graphnode dependency with arrays if node.arrayindex.secondary is valid dimension = traverse(node.arrayindex.secondary) // Create a new dependent with the array indexing dependent = new GraphNode(identnode.name, dimension) graphnode.pushdependent(dependent) end end end */ private void EmitIdentifierNode(AssociativeNode node, ref ProtoCore.Type inferedType, bool isBooleanOp = false, ProtoCore.AssociativeGraph.GraphNode graphNode = null, ProtoCore.DSASM.AssociativeSubCompilePass subPass = ProtoCore.DSASM.AssociativeSubCompilePass.kNone, BinaryExpressionNode parentNode = null) { IdentifierNode t = node as IdentifierNode; if (t.Name.Equals(ProtoCore.DSDefinitions.Keyword.This)) { if (subPass != AssociativeSubCompilePass.kNone) { return; } if (localProcedure != null) { if (localProcedure.isStatic) { string message = ProtoCore.BuildData.WarningMessage.kUsingThisInStaticFunction; compileStateTracker.BuildStatus.LogWarning(ProtoCore.BuildData.WarningID.kInvalidThis, message, compileStateTracker.CurrentDSFileName, t.line, t.col); EmitPushNull(); return; } else if (localProcedure.classScope == Constants.kGlobalScope) { string message = ProtoCore.BuildData.WarningMessage.kInvalidThis; compileStateTracker.BuildStatus.LogWarning(ProtoCore.BuildData.WarningID.kInvalidThis, message, compileStateTracker.CurrentDSFileName, t.line, t.col); EmitPushNull(); return; } else { EmitThisPointerNode(subPass); return; } } else { string message = ProtoCore.BuildData.WarningMessage.kInvalidThis; compileStateTracker.BuildStatus.LogWarning(ProtoCore.BuildData.WarningID.kInvalidThis, message, compileStateTracker.CurrentDSFileName, t.line, t.col); EmitPushNull(); return; } } int dimensions = 0; ProtoCore.DSASM.SymbolNode symbolnode = null; int runtimeIndex = codeBlock.symbolTable.runtimeIndex; ProtoCore.Type type = new ProtoCore.Type(); type.UID = (int)ProtoCore.PrimitiveType.kTypeVoid; type.IsIndexable = false; bool isAccessible = false; if (null == t.ArrayDimensions) { //check if it is a function instance ProtoCore.DSASM.ProcedureNode procNode = null; procNode = compileStateTracker.GetFirstVisibleProcedure(t.Name, null, codeBlock); if (null != procNode) { if (ProtoCore.DSASM.Constants.kInvalidIndex != procNode.procId) { // A global function inferedType.IsIndexable = false; inferedType.UID = (int)PrimitiveType.kTypeFunctionPointer; if (ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier != subPass) { int fptr = compileStateTracker.FunctionPointerTable.functionPointerDictionary.Count; ProtoCore.DSASM.FunctionPointerNode fptrNode = new ProtoCore.DSASM.FunctionPointerNode(procNode.procId, procNode.runtimeIndex); compileStateTracker.FunctionPointerTable.functionPointerDictionary.TryAdd(fptr, fptrNode); compileStateTracker.FunctionPointerTable.functionPointerDictionary.TryGetBySecond(fptrNode, out fptr); EmitPushVarData(runtimeIndex, 0); EmitInstrConsole(ProtoCore.DSASM.kw.push, t.Name); ProtoCore.DSASM.StackValue opFunctionPointer = new ProtoCore.DSASM.StackValue(); opFunctionPointer.optype = ProtoCore.DSASM.AddressType.FunctionPointer; opFunctionPointer.opdata = fptr; opFunctionPointer.opdata_d = fptr; EmitPush(opFunctionPointer, t.line, t.col); } return; } } } bool isAllocated = VerifyAllocation(t.Name, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); // If its executing in interpreter mode - attempt to find and anubond identifer in a child block // Remove this, because if we are watching cases like: //c1 = [Imperative] //{ // a = 1; // b = 2; //} // //c2 = [Associative] //{ // a = 3; // b = 4; //} //After c2 is executed, the watch value for a, b will be 1, 2. //if (ProtoCore.DSASM.ExecutionMode.kExpressionInterpreter == core.ExecMode) //{ // if (!isAllocated) // { // isAllocated = VerifyAllocationIncludingChildBlock(t.Name, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); // } //} if (AssociativeSubCompilePass.kUnboundIdentifier == subPass) { if (symbolnode == null) { if (isAllocated) { string message = String.Format(WarningMessage.kPropertyIsInaccessible, t.Value); if (localProcedure != null && localProcedure.isStatic) { SymbolNode tempSymbolNode; VerifyAllocation( t.Name, globalClassIndex, Constants.kGlobalScope, out tempSymbolNode, out isAccessible); if (tempSymbolNode != null && !tempSymbolNode.isStatic && isAccessible) { message = String.Format(WarningMessage.kUsingNonStaticMemberInStaticContext, t.Value); } } buildStatus.LogWarning( ProtoCore.BuildData.WarningID.kAccessViolation, message, compileStateTracker.CurrentDSFileName, t.line, t.col); } else { string message = String.Format(WarningMessage.kUnboundIdentifierMsg, t.Value); buildStatus.LogWarning(WarningID.kIdUnboundIdentifier, message, compileStateTracker.CurrentDSFileName, t.line, t.col); } if (ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter != compileStateTracker.ExecMode) { inferedType.UID = (int)ProtoCore.PrimitiveType.kTypeNull; // Jun Comment: Specification // If resolution fails at this point a com.Design-Script.Imperative.Core.UnboundIdentifier // warning is emitted during pre-execute phase, and at the ID is bound to null. (R1 - Feb) int startpc = pc; EmitPushNull(); // Push the identifier local block dimensions = 0; EmitPushVarData(runtimeIndex, dimensions); ProtoCore.Type varType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, false, 0); // TODO Jun: Refactor Allocate() to just return the symbol node itself ProtoCore.DSASM.SymbolNode symnode = Allocate(globalClassIndex, globalClassIndex, globalProcIndex, t.Value, varType, ProtoCore.DSASM.Constants.kPrimitiveSize, false, ProtoCore.DSASM.AccessSpecifier.kPublic, ProtoCore.DSASM.MemoryRegion.kMemStack, t.line, t.col, graphNode); Debug.Assert(symnode != null); int symbolindex = symnode.symbolTableIndex; if (ProtoCore.DSASM.Constants.kInvalidIndex != globalClassIndex) { symbolnode = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].symbols.symbolList[symbolindex]; } else { symbolnode = codeBlock.symbolTable.symbolList[symbolindex]; } EmitInstrConsole(ProtoCore.DSASM.kw.pop, t.Value); EmitPopForSymbol(symnode); // Comment it out. It doesn't work for the following // case: // // x = foo.X; // x = bar.X; // // where bar hasn't defined yet, so a null assign // graph is generated for this case: // // bar = null; // x = %dot(.., {bar}, ...); // // unfortunately the expression UID of this null graph // node is 0, which is wrong. Some update routines have // the assumption that the exprUID of graph node is // incremental. // // We may generate SSA for all expressions to fix this // issue. -Yu Ke /* ProtoCore.AssociativeGraph.GraphNode nullAssignGraphNode = new ProtoCore.AssociativeGraph.GraphNode(); nullAssignGraphNode.PushSymbolReference(symbolnode); nullAssignGraphNode.procIndex = globalProcIndex; nullAssignGraphNode.classIndex = globalClassIndex; nullAssignGraphNode.updateBlock.startpc = startpc; nullAssignGraphNode.updateBlock.endpc = pc - 1; codeBlock.instrStream.dependencyGraph.Push(nullAssignGraphNode); */ } } if (null != t.ArrayDimensions) { dimensions = DfsEmitArrayIndexHeap(t.ArrayDimensions, graphNode, parentNode, subPass); } } else { if (compileStateTracker.ExecMode == ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter && !isAllocated) { // It happens when the debugger try to watch a variable // which has been out of scope (as watch is done through // execute an expression "t = v;" where v is the variable // to be watched. EmitPushNull(); return; } Validity.Assert(isAllocated); if (graphNode != null && IsAssociativeArrayIndexing && !CoreUtils.IsAutoGeneratedVar(symbolnode.name)) { ProtoCore.AssociativeGraph.UpdateNode updateNode = new ProtoCore.AssociativeGraph.UpdateNode(); updateNode.symbol = symbolnode; updateNode.nodeType = ProtoCore.AssociativeGraph.UpdateNodeType.kSymbol; if (graphNode.isIndexingLHS) { graphNode.dimensionNodeList.Add(updateNode); } else { int curDepIndex = graphNode.dependentList.Count - 1; if (curDepIndex >= 0) { var curDep = graphNode.dependentList[curDepIndex].updateNodeRefList[0].nodeList[0]; curDep.dimensionNodeList.Add(updateNode); if (null != firstSSAGraphNode) { curDepIndex = firstSSAGraphNode.dependentList.Count - 1; if (curDepIndex >= 0) { ProtoCore.AssociativeGraph.UpdateNode firstSSAUpdateNode = firstSSAGraphNode.dependentList[curDepIndex].updateNodeRefList[0].nodeList[0]; firstSSAUpdateNode.dimensionNodeList.Add(updateNode); } } } } } // If it is a property, replaced it with getter: %get_prop() if (symbolnode.classScope != ProtoCore.DSASM.Constants.kInvalidIndex && symbolnode.functionIndex == ProtoCore.DSASM.Constants.kGlobalScope && localProcedure != null) { string getterName = ProtoCore.DSASM.Constants.kGetterPrefix + t.Name; if (!string.Equals(localProcedure.name, getterName)) { var thisNode = nodeBuilder.BuildIdentfier(ProtoCore.DSDefinitions.Keyword.This); var identListNode = nodeBuilder.BuildIdentList(thisNode, t); EmitIdentifierListNode(identListNode, ref inferedType, false, graphNode, ProtoCore.DSASM.AssociativeSubCompilePass.kNone); if (null != graphNode) { ProtoCore.AssociativeGraph.GraphNode dependentNode = new ProtoCore.AssociativeGraph.GraphNode(); dependentNode.PushSymbolReference(symbolnode); graphNode.PushDependent(dependentNode); } return; } } type = symbolnode.datatype; runtimeIndex = symbolnode.runtimeTableIndex; // The graph node always depends on this identifier if (null != graphNode) { ProtoCore.AssociativeGraph.GraphNode dependentNode = new ProtoCore.AssociativeGraph.GraphNode(); dependentNode.PushSymbolReference(symbolnode); graphNode.PushDependent(dependentNode); } bool emitReplicationGuideFlag = emitReplicationGuide; emitReplicationGuide = false; if (null != t.ArrayDimensions) { dimensions = DfsEmitArrayIndexHeap(t.ArrayDimensions, graphNode, parentNode, subPass); } emitReplicationGuide = emitReplicationGuideFlag; //fix type's rank if (type.rank >= 0) { type.rank -= dimensions; if (type.rank < 0) { //throw new Exception("Exceed maximum rank!"); type.rank = 0; } } //check whether the value is an array if (type.rank == 0) { type.IsIndexable = false; } EmitPushVarData(runtimeIndex, dimensions); if (ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter == compileStateTracker.ExecMode) { EmitInstrConsole(ProtoCore.DSASM.kw.pushw, t.Value); EmitPushForSymbolW(symbolnode, t.line, t.col); } else { EmitInstrConsole(ProtoCore.DSASM.kw.push, t.Value); EmitPushForSymbol(symbolnode, t); if (compileStateTracker.Options.TempReplicationGuideEmptyFlag && emitReplicationGuide) { int guides = EmitReplicationGuides(t.ReplicationGuides); EmitInstrConsole(ProtoCore.DSASM.kw.pushindex, guides + "[guide]"); EmitPushReplicationGuide(guides); } } if (ignoreRankCheck || compileStateTracker.TypeSystem.IsHigherRank(type.UID, inferedType.UID)) { inferedType = type; } // We need to get inferedType for boolean variable so that we can perform type check inferedType.UID = (isBooleanOp || (type.UID == (int)PrimitiveType.kTypeBool)) ? (int)PrimitiveType.kTypeBool : inferedType.UID; } }
public ProtoCore.DSASM.ProcedureNode TraverseDotFunctionCall(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, ProtoCore.AST.AssociativeAST.BinaryExpressionNode bnode = null) { FunctionCallNode funcCall = null; ProtoCore.DSASM.ProcedureNode procCallNode = null; ProtoCore.DSASM.ProcedureNode procDotCallNode = null; string procName = null; List<ProtoCore.Type> arglist = new List<ProtoCore.Type>(); ProtoCore.Type dotCallType = new ProtoCore.Type(); dotCallType.UID = (int)PrimitiveType.kTypeVar; dotCallType.IsIndexable = false; bool isConstructor = false; bool isStaticCall = false; bool isStaticCallAllowed = false; bool isUnresolvedDot = false; bool isUnresolvedMethod = false; int classIndex = ProtoCore.DSASM.Constants.kInvalidIndex; string className = string.Empty; ProtoCore.AST.AssociativeAST.FunctionDotCallNode dotCall = node as ProtoCore.AST.AssociativeAST.FunctionDotCallNode; funcCall = dotCall.DotCall; procName = dotCall.FunctionCall.Function.Name; List<AssociativeNode> replicationGuide = (dotCall.FunctionCall.Function as IdentifierNode).ReplicationGuides; var dotCallFirstArgument = dotCall.DotCall.FormalArguments[0]; if (dotCallFirstArgument is FunctionDotCallNode) { isUnresolvedDot = true; } else if (dotCallFirstArgument is IdentifierNode || dotCallFirstArgument is ThisPointerNode) { // Check if the lhs identifer is a class name string lhsName = ""; int ci = Constants.kInvalidIndex; if (dotCallFirstArgument is IdentifierNode) { lhsName = (dotCallFirstArgument as IdentifierNode).Name; ci = compileStateTracker.ClassTable.IndexOf(lhsName); classIndex = ci; className = lhsName; // As a class name can be used as property name, we need to // check if this identifier is a property or a class name. // if (ci != Constants.kInvalidIndex && globalClassIndex != Constants.kInvalidIndex) { ProtoCore.DSASM.SymbolNode symbolnode; bool isAccessbile = false; bool hasAllocated = VerifyAllocation(lhsName, globalClassIndex, globalProcIndex, out symbolnode, out isAccessbile); // Well, found a property whose name is class name. Now // we need to check if the RHS function call is // constructor or not. if (hasAllocated && isAccessbile && symbolnode.functionIndex == ProtoCore.DSASM.Constants.kInvalidIndex) { var procnode = GetProcedureFromInstance(ci, dotCall.FunctionCall); if (procnode != null && !procnode.isConstructor) { ci = Constants.kInvalidIndex; lhsName = ""; } } } } if (ci != ProtoCore.DSASM.Constants.kInvalidIndex) { // It is a class name dotCall.DotCall.FormalArguments[0] = new IntNode { value = ci.ToString() }; dotCallFirstArgument = dotCall.DotCall.FormalArguments[0]; inferedType.UID = dotCallType.UID = ci; string rhsName = dotCall.FunctionCall.Function.Name; procCallNode = GetProcedureFromInstance(ci, dotCall.FunctionCall, graphNode); if (null != procCallNode) { isConstructor = procCallNode.isConstructor; // It's a static call if its not a constructor isStaticCall = !procCallNode.isConstructor; // If this is a static call and the first method found was not static // Look further if (isStaticCall && !procCallNode.isStatic) { ProtoCore.DSASM.ProcedureNode staticProcCallNode = compileStateTracker.ClassTable.ClassNodes[ci].GetFirstStaticMemberFunction(procName); if (null != staticProcCallNode) { procCallNode = staticProcCallNode; } } isStaticCallAllowed = procCallNode.isStatic && isStaticCall; } else { ProtoCore.DSASM.ProcedureNode staticProcCallNode = compileStateTracker.ClassTable.ClassNodes[ci].GetFirstStaticMemberFunction(procName); string functionName = dotCall.FunctionCall.Function.Name; string property; if (null != staticProcCallNode) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodHasInvalidArguments, functionName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingNonStaticMethodOnClass, message, compileStateTracker.CurrentDSFileName, dotCall.line, dotCall.col); } else if (CoreUtils.TryGetPropertyName(functionName, out property)) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kCallingNonStaticProperty, lhsName, property); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingNonStaticMethodOnClass, message, compileStateTracker.CurrentDSFileName, dotCall.line, dotCall.col); } else { string message = String.Format(ProtoCore.BuildData.WarningMessage.kCallingNonStaticMethod, lhsName, functionName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingNonStaticMethodOnClass, message, compileStateTracker.CurrentDSFileName, dotCall.line, dotCall.col); } } } if (dotCall.DotCall.FormalArguments.Count == ProtoCore.DSASM.Constants.kDotCallArgCount) { if (dotCallFirstArgument is IdentifierNode) { ProtoCore.DSASM.SymbolNode symbolnode = null; bool isAccessible = false; bool isAllocated = VerifyAllocation((dotCallFirstArgument as IdentifierNode).Name, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); if (isAllocated && symbolnode.datatype.UID != (int)PrimitiveType.kTypeVar) { inferedType.UID = symbolnode.datatype.UID; if (ProtoCore.DSASM.Constants.kInvalidIndex != inferedType.UID) { procCallNode = GetProcedureFromInstance(symbolnode.datatype.UID, dotCall.FunctionCall); } if (null != procCallNode) { if (procCallNode.isConstructor) { if (subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { // A constructor cannot be called from an instance string message = String.Format(ProtoCore.BuildData.WarningMessage.KCallingConstructorOnInstance, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingConstructorOnInstance, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); } isUnresolvedDot = true; isUnresolvedMethod = true; } else { isAccessible = procCallNode.access == ProtoCore.DSASM.AccessSpecifier.kPublic || (procCallNode.access == ProtoCore.DSASM.AccessSpecifier.kPrivate && procCallNode.classScope == globalClassIndex); if (!isAccessible) { if (subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodIsInaccessible, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kAccessViolation, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); } } if (null != procCallNode) { int dynamicRhsIndex = int.Parse((dotCall.DotCall.FormalArguments[1] as IntNode).value); compileStateTracker.DynamicFunctionTable.functionTable[dynamicRhsIndex].classIndex = procCallNode.classScope; compileStateTracker.DynamicFunctionTable.functionTable[dynamicRhsIndex].procedureIndex = procCallNode.procId; compileStateTracker.DynamicFunctionTable.functionTable[dynamicRhsIndex].pc = procCallNode.pc; } } } } else { isUnresolvedDot = true; } } else if (dotCallFirstArgument is ThisPointerNode) { if (globalClassIndex != Constants.kInvalidIndex) { procCallNode = GetProcedureFromInstance(globalClassIndex, dotCall.FunctionCall); if (null != procCallNode && procCallNode.isConstructor) { dotCall.DotCall.FormalArguments[0] = new IntNode { value = globalClassIndex.ToString() }; dotCallFirstArgument = dotCall.DotCall.FormalArguments[0]; inferedType.UID = dotCallType.UID = ci; } } } } } else if (funcCall.FormalArguments[0] is IntNode) { inferedType.UID = dotCallType.UID = int.Parse((funcCall.FormalArguments[0] as IntNode).value); classIndex = inferedType.UID; procCallNode = GetProcedureFromInstance(dotCallType.UID, dotCall.FunctionCall, graphNode); if (null != procCallNode) { // It's a static call if its not a constructor isConstructor = procCallNode.isConstructor; isStaticCall = !procCallNode.isConstructor; // If this is a static call and the first method found was not static // Look further if (isStaticCall && !procCallNode.isStatic) { ProtoCore.DSASM.ProcedureNode staticProcCallNode = compileStateTracker.ClassTable.ClassNodes[inferedType.UID].GetFirstStaticMemberFunction(procName); if (null != staticProcCallNode) { procCallNode = staticProcCallNode; } } isStaticCallAllowed = procCallNode.isStatic && isStaticCall; className = compileStateTracker.ClassTable.ClassNodes[dotCallType.UID].name; if (isStaticCall && !isStaticCallAllowed) { if (subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { string property; className = compileStateTracker.ClassTable.ClassNodes[dotCallType.UID].name; ProtoCore.DSASM.ProcedureNode staticProcCallNode = compileStateTracker.ClassTable.ClassNodes[inferedType.UID].GetFirstStaticMemberFunction(procName); if (null != staticProcCallNode) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodHasInvalidArguments, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingNonStaticMethodOnClass, message, compileStateTracker.CurrentDSFileName, dotCall.line, dotCall.col); } else if (CoreUtils.TryGetPropertyName(procName, out property)) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kCallingNonStaticProperty, property, className); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingNonStaticMethodOnClass, message, compileStateTracker.CurrentDSFileName, dotCall.line, dotCall.col); } else { string message = String.Format(ProtoCore.BuildData.WarningMessage.kCallingNonStaticMethod, procName, className); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingNonStaticMethodOnClass, message, compileStateTracker.CurrentDSFileName, dotCall.line, dotCall.col); } } isUnresolvedMethod = true; } else { inferedType = procCallNode.returntype; } } } // Its an accceptable method at this point if (!isUnresolvedMethod) { int funtionArgCount = 0; //foreach (AssociativeNode paramNode in funcCall.FormalArguments) for (int n = 0; n < funcCall.FormalArguments.Count; ++n) { AssociativeNode paramNode = funcCall.FormalArguments[n]; ProtoCore.Type paramType = new ProtoCore.Type(); paramType.UID = (int)ProtoCore.PrimitiveType.kTypeVoid; paramType.IsIndexable = false; emitReplicationGuide = 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); // TODO Jun: Cleansify me // What im doing is just taking the second parameter of the dot op (The method call) // ...and adding it to the graph node dependencies if (ProtoCore.DSASM.Constants.kDotArgIndexDynTableIndex == n) { if (subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { if (!isConstructor) { if (null != procCallNode) { if (graphNode.dependentList.Count > 0) { ProtoCore.AssociativeGraph.UpdateNodeRef nodeRef = new ProtoCore.AssociativeGraph.UpdateNodeRef(); ProtoCore.AssociativeGraph.UpdateNode updateNode = new ProtoCore.AssociativeGraph.UpdateNode(); ProtoCore.DSASM.ProcedureNode procNodeDummy = new ProtoCore.DSASM.ProcedureNode(); if (procCallNode.isAutoGenerated) { ProtoCore.DSASM.SymbolNode sym = new ProtoCore.DSASM.SymbolNode(); sym.name = procName.Remove(0, ProtoCore.DSASM.Constants.kSetterPrefix.Length); updateNode.nodeType = ProtoCore.AssociativeGraph.UpdateNodeType.kSymbol; updateNode.symbol = sym; } else { procNodeDummy.name = procName; updateNode.nodeType = ProtoCore.AssociativeGraph.UpdateNodeType.kMethod; updateNode.procNode = procNodeDummy; } graphNode.dependentList[0].updateNodeRefList[0].nodeList.Add(updateNode); } } else { // comment Jun: // This is dotarg whos first argument is also a dotarg // dotarg(dorarg...)...) if (graphNode.dependentList.Count > 0) { if (ProtoCore.Utils.CoreUtils.IsGetterSetter(procName)) { ProtoCore.AssociativeGraph.UpdateNode updateNode = new ProtoCore.AssociativeGraph.UpdateNode(); ProtoCore.DSASM.SymbolNode sym = new ProtoCore.DSASM.SymbolNode(); sym.name = procName.Remove(0, ProtoCore.DSASM.Constants.kSetterPrefix.Length); updateNode.nodeType = ProtoCore.AssociativeGraph.UpdateNodeType.kSymbol; updateNode.symbol = sym; graphNode.dependentList[0].updateNodeRefList[0].nodeList.Add(updateNode); } } } } } } // Traversing the first arg (the LHS pointer/Static instanct/Constructor if (ProtoCore.DSASM.Constants.kDotArgIndexPtr == n) { // Comment Jun: // Allow guides only on 'this' pointers for non getter/setter methods // No guides for 'this' pointers in constructors calls (There is no this pointer yet) // /* class C { def f(a : int) { return = 10; } } p = {C.C(), C.C()}; x = p<1>.f({1,2}<2>); // guides allowed on the pointer 'p' class A { x : var[]; constructor A() { x = {1,2}; } } a = A.A(); b = A.A(); c = a<1>.x<2>; // guides not allowed on getter */ if (!ProtoCore.Utils.CoreUtils.IsGetterSetter(procName) && !isConstructor) { emitReplicationGuide = true; } DfsTraverse(paramNode, ref paramType, false, graphNode, subPass, bnode); if (subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { if (isStaticCall && isStaticCallAllowed) { Validity.Assert(ProtoCore.DSASM.Constants.kInvalidIndex != classIndex); Validity.Assert(string.Empty != className); SymbolNode classSymbol = new SymbolNode(); classSymbol.name = className; classSymbol.classScope = classIndex; ProtoCore.AssociativeGraph.GraphNode dependentNode = new ProtoCore.AssociativeGraph.GraphNode(); dependentNode.PushSymbolReference(classSymbol, ProtoCore.AssociativeGraph.UpdateNodeType.kSymbol); graphNode.PushDependent(dependentNode); } } } // Traversing the actual arguments passed into the function (not the dot function) else if (ProtoCore.DSASM.Constants.kDotArgIndexArrayArgs == n) { int defaultAdded = 0; // If its null this is the second call in a chained dot if (null != procCallNode) { // Check how many args were passed in.... against what is expected defaultAdded = procCallNode.argInfoList.Count - dotCall.FunctionCall.FormalArguments.Count; } // Enable graphnode dependencies if its a setter method bool allowDependentState = null != graphNode ? graphNode.allowDependents : false; if (ProtoCore.Utils.CoreUtils.IsSetter(procName)) { // If the arguments are not temporaries ProtoCore.AST.AssociativeAST.ExprListNode exprList = paramNode as ExprListNode; Validity.Assert(1 == exprList.list.Count); string varname = string.Empty; if (exprList.list[0] is IdentifierNode) { varname = (exprList.list[0] as IdentifierNode).Name; // Only allow the acutal function variables and SSA temp vars // TODO Jun: determine what temp could be passed in that is autodegenerated and non-SSA if (!ProtoCore.Utils.CoreUtils.IsAutoGeneratedVar(varname) || ProtoCore.Utils.CoreUtils.IsSSATemp(varname)) { graphNode.allowDependents = true; } } else { graphNode.allowDependents = true; } } emitReplicationGuide = true; if (defaultAdded > 0) { ProtoCore.AST.AssociativeAST.ExprListNode exprList = paramNode as ExprListNode; if (subPass != AssociativeSubCompilePass.kUnboundIdentifier) { for (int i = 0; i < defaultAdded; i++) { exprList.list.Add(new DefaultArgNode()); } } DfsTraverse(paramNode, ref paramType, false, graphNode, subPass); funtionArgCount = exprList.list.Count; } else { Validity.Assert(paramNode is ProtoCore.AST.AssociativeAST.ExprListNode); ProtoCore.AST.AssociativeAST.ExprListNode exprList = paramNode as ProtoCore.AST.AssociativeAST.ExprListNode; // Comment Jun: This is a getter/setter or a an auto-generated thisarg function... // ...add the dynamic sv that will be resolved as a pointer at runtime if (!isStaticCall && !isConstructor) { //if (null != procCallNode && ProtoCore.Utils.CoreUtils.IsGetterSetter(procCallNode.name) && AssociativeSubCompilePass.kNone == subPass) // TODO Jun: pls get rid of subPass checking outside the core travesal if (ProtoCore.DSASM.AssociativeSubCompilePass.kNone == subPass) { exprList.list.Insert(0, new DynamicNode()); } } if (exprList.list.Count > 0) { foreach (ProtoCore.AST.AssociativeAST.AssociativeNode exprListNode in exprList.list) { bool repGuideState = emitReplicationGuide; if (subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { if (exprListNode is ProtoCore.AST.AssociativeAST.ExprListNode || exprListNode is ProtoCore.AST.AssociativeAST.GroupExpressionNode) { if (compileStateTracker.Options.TempReplicationGuideEmptyFlag) { // Emit the replication guide for the exprlist List<ProtoCore.AST.AssociativeAST.AssociativeNode> repGuideList = GetReplicationGuides(exprListNode); EmitReplicationGuides(repGuideList, true); emitReplicationGuide = false; // Pop off the guide if the current element was an array if (null != repGuideList) { EmitInstrConsole(ProtoCore.DSASM.kw.popg); EmitPopGuide(); } } } } else { emitReplicationGuide = false; } DfsTraverse(exprListNode, ref paramType, false, graphNode, subPass, bnode); emitReplicationGuide = repGuideState; } if (subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { EmitInstrConsole(ProtoCore.DSASM.kw.alloca, exprList.list.Count.ToString()); EmitPopArray(exprList.list.Count); if (exprList.ArrayDimensions != null) { int dimensions = DfsEmitArrayIndexHeap(exprList.ArrayDimensions, graphNode); EmitInstrConsole(ProtoCore.DSASM.kw.pushindex, dimensions.ToString() + "[dim]"); EmitPushArrayIndex(dimensions); } } } else { if (exprList != null) { bool emitReplicationGuideState = emitReplicationGuide; emitReplicationGuide = false; DfsTraverse(paramNode, ref paramType, false, graphNode, subPass); emitReplicationGuide = emitReplicationGuideState; } else { DfsTraverse(paramNode, ref paramType, false, graphNode, subPass); } } funtionArgCount = exprList.list.Count; } emitReplicationGuide = false; // Restore the state only if it is a setter method if (ProtoCore.Utils.CoreUtils.IsSetter(procName)) { graphNode.allowDependents = allowDependentState; } } else if (ProtoCore.DSASM.Constants.kDotArgIndexArgCount == n) { ProtoCore.AST.AssociativeAST.IntNode argNumNode = new ProtoCore.AST.AssociativeAST.IntNode() { value = funtionArgCount.ToString() }; DfsTraverse(argNumNode, ref paramType, false, graphNode, subPass); } else { DfsTraverse(paramNode, ref paramType, false, graphNode, subPass); } emitReplicationGuide = false; enforceTypeCheck = true; arglist.Add(paramType); } } if (subPass == ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { return null; } // Comment Jun: Append the lhs pointer as an argument to the overloaded function if (!isConstructor && !isStaticCall) { Validity.Assert(dotCall.DotCall.FormalArguments[ProtoCore.DSASM.Constants.kDotArgIndexArrayArgs] is ExprListNode); ExprListNode functionArgs = dotCall.DotCall.FormalArguments[ProtoCore.DSASM.Constants.kDotArgIndexArrayArgs] as ExprListNode; functionArgs.list.Insert(0, dotCall.DotCall.FormalArguments[ProtoCore.DSASM.Constants.kDotArgIndexPtr]); } if (isUnresolvedMethod) { EmitNullNode(new NullNode(), ref inferedType); return null; } procDotCallNode = compileStateTracker.GetFirstVisibleProcedure(ProtoCore.DSASM.Constants.kDotArgMethodName, arglist, codeBlock); // From here on, handle the actual procedure call int type = ProtoCore.DSASM.Constants.kInvalidIndex; 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 = compileStateTracker.ClassTable.IndexOf(leftnode.Name); } } if (dotCallFirstArgument is FunctionCallNode || dotCallFirstArgument is FunctionDotCallNode || dotCallFirstArgument is ExprListNode) { inferedType.UID = arglist[0].UID; } // 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 && procName != ProtoCore.DSASM.Constants.kFunctionPointerCall) { bool isStaticOrConstructor = refClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex; procCallNode = compileStateTracker.ClassTable.ClassNodes[inferedType.UID].GetFirstMemberFunction(procName); } // Try function pointer firstly if ((procCallNode == null) && (procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)) { bool isAccessibleFp; ProtoCore.DSASM.SymbolNode symbolnode = null; bool isAllocated = VerifyAllocation(procName, globalClassIndex, globalProcIndex, out symbolnode, out isAccessibleFp); if (isAllocated) // not checking the type against function pointer, as the type could be var { procName = ProtoCore.DSASM.Constants.kFunctionPointerCall; // The graph node always depends on this function pointer if (null != graphNode) { ProtoCore.AssociativeGraph.GraphNode dependentNode = new ProtoCore.AssociativeGraph.GraphNode(); dependentNode.PushSymbolReference(symbolnode); graphNode.PushDependent(dependentNode); } } } // Always try global function firstly. Because we dont have syntax // support for calling global function (say, ::foo()), if we try // member function firstly, there is no way to call a global function // For member function, we can use this.foo() to distinguish it from // global function. if ((procCallNode == null) && (procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)) { procCallNode = compileStateTracker.GetFirstVisibleProcedure(procName, arglist, codeBlock); if (null != procCallNode) { type = ProtoCore.DSASM.Constants.kGlobalScope; if (compileStateTracker.TypeSystem.IsHigherRank(procCallNode.returntype.UID, inferedType.UID)) { inferedType = procCallNode.returntype; } } } // Try member functions in global class scope if ((procCallNode == null) && (procName != ProtoCore.DSASM.Constants.kFunctionPointerCall) && (parentNode == null)) { if (globalClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex) { int realType; bool isAccessible; bool isStaticOrConstructor = refClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex; ProtoCore.DSASM.ProcedureNode memProcNode = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out realType, isStaticOrConstructor); if (memProcNode != null) { Debug.Assert(realType != ProtoCore.DSASM.Constants.kInvalidIndex); procCallNode = memProcNode; inferedType = procCallNode.returntype; type = realType; if (!isAccessible) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodIsInaccessible, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kAccessViolation, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); inferedType.UID = (int)PrimitiveType.kTypeNull; EmitPushNull(); return procCallNode; } } } } if (isUnresolvedDot) { // Get the dot call procedure ProtoCore.DSASM.ProcedureNode procNode = procDotCallNode; if (!isConstructor && !isStaticCall) { procNode = compileStateTracker.GetFirstVisibleProcedure(ProtoCore.DSASM.Constants.kDotMethodName, null, codeBlock); } if(CoreUtils.IsGetter(procName)) { EmitFunctionCall(depth, type, arglist, procNode, funcCall, true); } else EmitFunctionCall(depth, type, arglist, procNode, funcCall, false, bnode); if (dotCallType.UID != (int)PrimitiveType.kTypeVar) { inferedType.UID = dotCallType.UID; } return procCallNode; } if (null != procCallNode) { if (procCallNode.isConstructor && (globalClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex) && (globalProcIndex != ProtoCore.DSASM.Constants.kInvalidIndex) && (globalClassIndex == inferedType.UID)) { ProtoCore.DSASM.ProcedureNode contextProcNode = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].vtable.procList[globalProcIndex]; if (contextProcNode.isConstructor && string.Equals(contextProcNode.name, procCallNode.name) && contextProcNode.runtimeIndex == procCallNode.runtimeIndex) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kCallingConstructorInConstructor, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingConstructorInConstructor, message, compileStateTracker.CurrentDSFileName, node.line, node.col); inferedType.UID = (int)PrimitiveType.kTypeNull; EmitPushNull(); return procCallNode; } } inferedType = procCallNode.returntype; //if call is replication call if (procCallNode.isThisCallReplication) { inferedType.IsIndexable = true; inferedType.rank++; } // Get the dot call procedure ProtoCore.DSASM.ProcedureNode procNode = procDotCallNode; if (!isConstructor && !isStaticCall) { procNode = compileStateTracker.GetFirstVisibleProcedure(ProtoCore.DSASM.Constants.kDotMethodName, null, codeBlock); } if (CoreUtils.IsSetter(procName)) { EmitFunctionCall(depth, type, arglist, procNode, funcCall); } // Do not emit breakpoint at getters only - pratapa else if (CoreUtils.IsGetter(procName)) { EmitFunctionCall(depth, type, arglist, procNode, funcCall, true); } else { EmitFunctionCall(depth, type, arglist, procNode, funcCall, false, bnode); } if (dotCallType.UID != (int)PrimitiveType.kTypeVar) { inferedType.UID = dotCallType.UID; } if (isConstructor) { foreach (AssociativeNode paramNode in dotCall.FunctionCall.FormalArguments) { // Get the lhs symbol list ProtoCore.Type ltype = new ProtoCore.Type(); ltype.UID = globalClassIndex; ProtoCore.AssociativeGraph.UpdateNodeRef argNodeRef = new ProtoCore.AssociativeGraph.UpdateNodeRef(); DFSGetSymbolList(paramNode, ref ltype, argNodeRef); if (null != graphNode) { graphNode.updatedArguments.Add(argNodeRef); } } graphNode.firstProc = procCallNode; } return procCallNode; } else { // Function does not exist at this point but we try to reolve at runtime if (depth <= 0 && procName != ProtoCore.DSASM.Constants.kFunctionPointerCall) { if (inferedType.UID != (int)PrimitiveType.kTypeVar) { if (!compileStateTracker.Options.SuppressFunctionResolutionWarning) { string property; if (CoreUtils.TryGetPropertyName(procName, out property)) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kPropertyNotFound, property); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kPropertyNotFound, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); } else { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodNotFound, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kFunctionNotFound, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); } } inferedType.UID = (int)PrimitiveType.kTypeNull; } // Get the dot call procedure ProtoCore.DSASM.ProcedureNode procNode = procDotCallNode; if (!isConstructor && !isStaticCall) { procNode = compileStateTracker.GetFirstVisibleProcedure(ProtoCore.DSASM.Constants.kDotMethodName, null, codeBlock); } if (CoreUtils.IsGetter(procName)) { EmitFunctionCall(depth, type, arglist, procNode, funcCall, true); } else EmitFunctionCall(depth, type, arglist, procNode, funcCall, false, bnode); if (dotCallType.UID != (int)PrimitiveType.kTypeVar) { inferedType.UID = dotCallType.UID; } } else { if (procName == ProtoCore.DSASM.Constants.kFunctionPointerCall && depth == 0) { ProtoCore.DSASM.DynamicFunctionNode dynamicFunctionNode = new ProtoCore.DSASM.DynamicFunctionNode(procName, arglist, lefttype); compileStateTracker.DynamicFunctionTable.functionTable.Add(dynamicFunctionNode); var iNode = nodeBuilder.BuildIdentfier(funcCall.Function.Name); EmitIdentifierNode(iNode, ref inferedType); } else { ProtoCore.DSASM.DynamicFunctionNode dynamicFunctionNode = new ProtoCore.DSASM.DynamicFunctionNode(funcCall.Function.Name, arglist, lefttype); compileStateTracker.DynamicFunctionTable.functionTable.Add(dynamicFunctionNode); } // The function call EmitInstrConsole(ProtoCore.DSASM.kw.callr, funcCall.Function.Name + "[dynamic]"); EmitDynamicCall(compileStateTracker.DynamicFunctionTable.functionTable.Count - 1, globalClassIndex, depth, funcCall.line, funcCall.col, funcCall.endLine, funcCall.endCol); // The function return value EmitInstrConsole(ProtoCore.DSASM.kw.push, ProtoCore.DSASM.kw.regRX); ProtoCore.DSASM.StackValue opReturn = new ProtoCore.DSASM.StackValue(); opReturn.optype = ProtoCore.DSASM.AddressType.Register; opReturn.opdata = (int)ProtoCore.DSASM.Registers.RX; EmitPush(opReturn); if (compileStateTracker.Options.TempReplicationGuideEmptyFlag && emitReplicationGuide) { int guides = EmitReplicationGuides(replicationGuide); EmitInstrConsole(ProtoCore.DSASM.kw.pushindex, guides + "[guide]"); EmitPushReplicationGuide(guides); } //assign inferedType to var inferedType.UID = (int)PrimitiveType.kTypeVar; } } return procDotCallNode; }
private void EmitBinaryExpressionNode(AssociativeNode node, ref ProtoCore.Type inferedType, bool isBooleanOp = false, ProtoCore.AssociativeGraph.GraphNode graphNode = null, ProtoCore.DSASM.AssociativeSubCompilePass subPass = ProtoCore.DSASM.AssociativeSubCompilePass.kNone, bool isTempExpression = false) { BinaryExpressionNode bnode = null; if (!IsParsingGlobal() && !IsParsingGlobalFunctionBody() && !IsParsingMemberFunctionBody()) return; bool isBooleanOperation = false; bnode = node as BinaryExpressionNode; ProtoCore.Type leftType = new ProtoCore.Type(); leftType.UID = (int)ProtoCore.PrimitiveType.kTypeVar; leftType.IsIndexable = false; ProtoCore.Type rightType = new ProtoCore.Type(); rightType.UID = (int)ProtoCore.PrimitiveType.kTypeVar; rightType.IsIndexable = false; DebugProperties.BreakpointOptions oldOptions = compileStateTracker.DebugProps.breakOptions; /* proc emitbinaryexpression(node) if node is assignment if graphnode is not valid graphnode = BuildNewGraphNode() end dfstraverse(node.right, graphnode) def lefttype = invalid def updateNodeRef = null dfsgetsymbollist(node.left, lefttype, updateNodeRef) // Get the first procedure call in the rhs // This stack is populated on traversing the entire RHS def firstProc = functionCallStack.first() graphnode.pushUpdateRef(updateNodeRef) // Auto-generate the updateNodeRefs for this graphnode given the list stored in the first procedure found in the assignment expression foreach noderef in firstProc.updatedProperties def autogenRef = updateNodeRef autogenRef.append(noderef) graphnode.pushUpdateRef(autogenRef) end // See if the leftmost symbol(updateNodeRef) of the lhs expression is a property of the current class. // If it is, then push the lhs updateNodeRef to the list of modified properties in the procedure node def symbol = classtable[ci].verifyalloc(updateNodeRef[0]) if symbol is valid def localproc = getlocalproc(ci,fi) localproc.push(updateNodeRef) end functionCallStack.Clear(); end end */ /* Building the graphnode dependencies from the SSA transformed identifier list is illustrated in the following functions: ssaPtrList = new List proc EmitBinaryExpression(bnode, graphnode) if bnode is assignment graphnode = new graphnode if bnode is an SSA pointer expression if bnode.rhs is an identifier // Push the start pointer ssaPtrList.push(node.rhs) else if bnode.rhs is an identifierlist // Push the rhs of the dot operator ssaPtrList.push(node.rhs.rhs) else Assert unhandled end end emit(bnode.rhs) emit(bnode.lhs) if (bnode is an SSA pointer expression and bnode is the last expression in the SSA factor/term ssaPtrList.Clear() end end end */ // If this is an assignment statement, setup the top level graph node bool isGraphInScope = false; if (ProtoCore.DSASM.Operator.assign == bnode.Optr) { if (null == graphNode) { isGraphInScope = true; EmitCompileLog("==============Start Node==============\n"); graphNode = new ProtoCore.AssociativeGraph.GraphNode(); graphNode.isParent = true; graphNode.exprUID = bnode.exprUID; graphNode.modBlkUID = bnode.modBlkUID; graphNode.procIndex = globalProcIndex; graphNode.classIndex = globalClassIndex; graphNode.languageBlockId = codeBlock.codeBlockId; if (bnode.isSSAFirstAssignment) { firstSSAGraphNode = graphNode; } // All associative code is SSA'd and we want to keep track of the original identifier nodes of an identifier list: // i.e. x.y.z // These identifiers will be used to populate the real graph nodes dependencies if (bnode.isSSAPointerAssignment) { Validity.Assert(null != ssaPointerList); if (bnode.RightNode is IdentifierNode) { ssaPointerList.Add(bnode.RightNode); } else if (bnode.RightNode is IdentifierListNode) { ssaPointerList.Add((bnode.RightNode as IdentifierListNode).RightNode); } else if (bnode.RightNode is FunctionDotCallNode) { FunctionDotCallNode dotcall = bnode.RightNode as FunctionDotCallNode; Validity.Assert(dotcall.FunctionCall.Function is IdentifierNode); if (ProtoCore.Utils.CoreUtils.IsGetterSetter(dotcall.FunctionCall.Function.Name)) { // This function is an internal getter or setter, store the identifier node ssaPointerList.Add(dotcall.FunctionCall.Function); } else { // This function is a member function, store the functioncall node ssaPointerList.Add(dotcall.FunctionCall); } } else if (bnode.RightNode is FunctionCallNode) { FunctionCallNode fcall = bnode.RightNode as FunctionCallNode; Validity.Assert(fcall.Function is IdentifierNode); ssaPointerList.Add(fcall.Function); } else { Validity.Assert(false); } /* The following functions on codegen will perform the static call backtracking: string staticClass = null bool resolveStatic = false proc EmitBinaryExpr(node) if node.right is identifier if node.right is a class staticClass = node.right.name resolveStatic = true end end end proc EmitIdentifierList(node, graphnode) if resolveStatic node.left = new IdentifierNode(staticClass) end end */ if (bnode.RightNode is IdentifierNode) { string identName = (bnode.RightNode as IdentifierNode).Name; if (compileStateTracker.ClassTable.DoesExist(identName)) { ssaPointerList.Clear(); staticClass = identName; resolveStatic = true; return; } } } // // Comment Jun: // If the expression ID of the assignment node in the context execDirtyFlag list is false, // it means that it was already executed. This needs to be marked as not dirty if (compileStateTracker.Options.IsDeltaExecution) { if (context.exprExecutionFlags.ContainsKey(bnode.exprUID)) { graphNode.isDirty = context.exprExecutionFlags[bnode.exprUID]; } } } if (bnode.LeftNode is IdentifierListNode) { EmitLHSIdentifierListForBinaryExpr(bnode, ref inferedType, isBooleanOp, graphNode, subPass); if (isGraphInScope) { EmitCompileLog("==============End Node==============\n"); } return; } else if (bnode.LeftNode is IdentifierNode) { if (bnode.LeftNode.Name.Equals(ProtoCore.DSDefinitions.Keyword.This)) { string errorMessage = ProtoCore.BuildData.WarningMessage.kInvalidThis; if (localProcedure != null) { if (localProcedure.isStatic) { errorMessage = ProtoCore.BuildData.WarningMessage.kUsingThisInStaticFunction; } else if (localProcedure.classScope == Constants.kGlobalScope) { errorMessage = ProtoCore.BuildData.WarningMessage.kInvalidThis; } else { errorMessage = ProtoCore.BuildData.WarningMessage.kAssingToThis; } } compileStateTracker.BuildStatus.LogWarning(ProtoCore.BuildData.WarningID.kInvalidThis, errorMessage, compileStateTracker.CurrentDSFileName, bnode.line, bnode.col); if (isGraphInScope) { EmitCompileLog("==============End Node==============\n"); } return; } if (EmitLHSThisDotProperyForBinaryExpr(bnode, ref inferedType, isBooleanOp, graphNode, subPass)) { if (isGraphInScope) { EmitCompileLog("==============End Node==============\n"); } return; } } } else //(ProtoCore.DSASM.Operator.assign != b.Optr) { // Traversing the left node if this binary expression is not an assignment // isBooleanOperation = ProtoCore.DSASM.Operator.lt == bnode.Optr || ProtoCore.DSASM.Operator.gt == bnode.Optr || ProtoCore.DSASM.Operator.le == bnode.Optr || ProtoCore.DSASM.Operator.ge == bnode.Optr || ProtoCore.DSASM.Operator.eq == bnode.Optr || ProtoCore.DSASM.Operator.nq == bnode.Optr || ProtoCore.DSASM.Operator.and == bnode.Optr || ProtoCore.DSASM.Operator.or == bnode.Optr; DfsTraverse(bnode.LeftNode, ref inferedType, isBooleanOperation, graphNode, subPass); if (inferedType.UID == (int)PrimitiveType.kTypeFunctionPointer && subPass != ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier && emitDebugInfo) { buildStatus.LogSemanticError("Function pointer is not allowed at binary expression other than assignment!", compileStateTracker.CurrentDSFileName, bnode.LeftNode.line, bnode.LeftNode.col); } leftType.UID = inferedType.UID; leftType.IsIndexable = inferedType.IsIndexable; } int startpc = ProtoCore.DSASM.Constants.kInvalidIndex; // (Ayush) in case of PostFixNode, only traverse the identifier now. Post fix operation will be applied later. #if ENABLE_INC_DEC_FIX if (bnode.RightNode is PostFixNode) { DfsTraverse((bnode.RightNode as PostFixNode).Identifier, ref inferedType, isBooleanOperation, graphNode); } else { #endif if ((ProtoCore.DSASM.Operator.assign == bnode.Optr) && (bnode.RightNode is LanguageBlockNode)) { inferedType.UID = (int)ProtoCore.PrimitiveType.kTypeVar; inferedType.IsIndexable = false; } if (null != localProcedure && localProcedure.isConstructor && setConstructorStartPC) { startpc -= 1; setConstructorStartPC = false; } if (bnode.RightNode == null && bnode.Optr == Operator.assign && bnode.LeftNode is IdentifierNode) { DebugProperties.BreakpointOptions newOptions = oldOptions; newOptions |= DebugProperties.BreakpointOptions.SuppressNullVarDeclarationBreakpoint; compileStateTracker.DebugProps.breakOptions = newOptions; IdentifierNode t = bnode.LeftNode as IdentifierNode; ProtoCore.DSASM.SymbolNode symbolnode = null; bool isAccessible = false; bool hasAllocated = VerifyAllocation(t.Value, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); if (hasAllocated) { bool allowDependent = graphNode.allowDependents; graphNode.allowDependents = false; bnode.RightNode = nodeBuilder.BuildIdentfier(t.Value); graphNode.allowDependents = false; } else { bnode.RightNode = new NullNode(); } } // Keep track of current pc, because when travese right node it // may generate null assignment ( x = null; if x hasn't been defined // yet - Yu Ke startpc = pc; DfsTraverse(bnode.RightNode, ref inferedType, isBooleanOperation, graphNode, subPass); #if ENABLE_INC_DEC_FIX } #endif rightType.UID = inferedType.UID; rightType.IsIndexable = inferedType.IsIndexable; BinaryExpressionNode rightNode = bnode.RightNode as BinaryExpressionNode; if ((rightNode != null) && (ProtoCore.DSASM.Operator.assign == rightNode.Optr)) { DfsTraverse(rightNode.LeftNode, ref inferedType, false, graphNode); } if (bnode.Optr != ProtoCore.DSASM.Operator.assign) { if (subPass == ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { return; } if (inferedType.UID == (int)PrimitiveType.kTypeFunctionPointer && emitDebugInfo) { buildStatus.LogSemanticError("Function pointer is not allowed at binary expression other than assignment!", compileStateTracker.CurrentDSFileName, bnode.RightNode.line, bnode.RightNode.col); } EmitBinaryOperation(leftType, rightType, bnode.Optr); isBooleanOp = false; //if post fix, now traverse the post fix #if ENABLE_INC_DEC_FIX if (bnode.RightNode is PostFixNode) EmitPostFixNode(bnode.RightNode, ref inferedType); #endif return; } Debug.Assert(null != graphNode); if (!isTempExpression) { // Only set startpc if isn't temporary assignment expression if (compileStateTracker.Options.IsDeltaExecution) graphNode.updateBlock.startpc = startpc; else graphNode.updateBlock.startpc = pc; } currentBinaryExprUID = bnode.exprUID; // These have been integrated into "EmitGetterSetterForIdentList" so // that stepping through class properties can be supported. Setting // these values here will cause issues with statements like this to // be highlighted in its entirety (all the way up to closing bracket // without highlighting the semi-colon). // // x = foo(a, b); // // bnode.RightNode.line = bnode.line; // bnode.RightNode.col = bnode.col; // bnode.RightNode.endLine = bnode.endLine; // bnode.RightNode.endCol = bnode.endCol; // Traverse the entire RHS expression DfsTraverse(bnode.RightNode, ref inferedType, isBooleanOperation, graphNode, ProtoCore.DSASM.AssociativeSubCompilePass.kNone, bnode); subPass = ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier; if (bnode.LeftNode is IdentifierNode) { // TODO Jun: Cleansify this block where the lhs is being handled. // For one, make the return as a return node IdentifierNode t = bnode.LeftNode as IdentifierNode; ProtoCore.DSASM.SymbolNode symbolnode = null; ProtoCore.AssociativeGraph.UpdateNodeRef leftNodeGlobalRef = null; string s = t.Value; if (s == ProtoCore.DSDefinitions.Keyword.Return) { Debug.Assert(null == symbolnode); symbolnode = new ProtoCore.DSASM.SymbolNode(); symbolnode.name = s; symbolnode.isTemp = s.StartsWith("%"); symbolnode.functionIndex = globalProcIndex; symbolnode.classScope = globalClassIndex; EmitReturnStatement(node, inferedType); // Comment Jun: The inline conditional holds a graphnode and traversing its body will set isReturn = true // Resolve that here as an inline conditional is obviosuly not a return graphnode if (!graphNode.isInlineConditional) { graphNode.isReturn = true; } } else { leftNodeGlobalRef = GetUpdatedNodeRef(bnode.LeftNode); // right node is statement which wont return any value, so push null to stack if ((bnode.RightNode is IfStatementNode) || (bnode.RightNode is ForLoopNode)) { EmitPushNull(); } { // check whether the variable name is a function name bool isAccessibleFp; int realType; ProtoCore.DSASM.ProcedureNode procNode = null; if (globalClassIndex != ProtoCore.DSASM.Constants.kGlobalScope) { procNode = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].GetMemberFunction(t.Name, null, globalClassIndex, out isAccessibleFp, out realType); } if (procNode == null) { procNode = compileStateTracker.GetFirstVisibleProcedure(t.Name, null, codeBlock); } if (procNode != null) { if (ProtoCore.DSASM.Constants.kInvalidIndex != procNode.procId && emitDebugInfo) { buildStatus.LogSemanticError("\"" + t.Name + "\"" + " is a function and not allowed as a variable name", compileStateTracker.CurrentDSFileName, t.line, t.col); } } } //int type = (int)ProtoCore.PrimitiveType.kTypeVoid; bool isAccessible = false; bool isAllocated = VerifyAllocation(t.Name, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); int runtimeIndex = (!isAllocated || !isAccessible) ? codeBlock.symbolTable.runtimeIndex : symbolnode.runtimeTableIndex; if (isAllocated && !isAccessible) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kPropertyIsInaccessible, t.Name); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kAccessViolation, message, compileStateTracker.CurrentDSFileName, t.line, t.col); } int dimensions = 0; if (null != t.ArrayDimensions) { graphNode.isIndexingLHS = true; dimensions = DfsEmitArrayIndexHeap(t.ArrayDimensions, graphNode, bnode); } // Comment Jun: Attempt to get the modified argument arrays in the current method // Comment Jun: As of R1 - arrays are copy constructed and cannot propagate update unless explicitly returned //ProtoCore.AssociativeGraph.UpdateNodeRef leftNodeArgArray = AutoGenerateUpdateArgumentArrayReference(bnode.LeftNode, graphNode); ProtoCore.Type castType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, false); var tident = bnode.LeftNode as TypedIdentifierNode; if (tident != null) { int castUID = tident.datatype.UID; if ((int)PrimitiveType.kInvalidType == castUID) { castUID = compileStateTracker.ClassTable.IndexOf(tident.datatype.Name); } if ((int)PrimitiveType.kInvalidType == castUID) { castType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kInvalidType, false); castType.Name = tident.datatype.Name; castType.rank = tident.datatype.rank; castType.IsIndexable = (castType.rank != 0); } else { castType = compileStateTracker.TypeSystem.BuildTypeObject(castUID, tident.datatype.IsIndexable, tident.datatype.rank); } } if (ProtoCore.DSASM.Constants.kInvalidIndex != globalClassIndex) { // In a class if (ProtoCore.DSASM.Constants.kInvalidIndex == globalProcIndex) { string message = "A binary assignment inside a class must be inside a function (AB5E3EC1)"; buildStatus.LogSemanticError(message, compileStateTracker.CurrentDSFileName, bnode.line, bnode.col); throw new BuildHaltException(message); } // TODO Jun: refactor this by having symbol table functions for retrieval of node index int symbol = ProtoCore.DSASM.Constants.kInvalidIndex; bool isMemVar = false; if (symbolnode != null) { if (symbolnode.classScope != ProtoCore.DSASM.Constants.kInvalidIndex && symbolnode.functionIndex == ProtoCore.DSASM.Constants.kGlobalScope) { isMemVar = true; } symbol = symbolnode.symbolTableIndex; } ProtoCore.DSASM.StackValue op = new ProtoCore.DSASM.StackValue(); if (!isMemVar) { // This is local variable // TODO Jun: If this local var exists globally, should it allocate a local copy? if (!isAllocated || !isAccessible) { symbolnode = Allocate(globalClassIndex, globalClassIndex, globalProcIndex, t.Name, inferedType, ProtoCore.DSASM.Constants.kPrimitiveSize, false, ProtoCore.DSASM.AccessSpecifier.kPublic, ProtoCore.DSASM.MemoryRegion.kMemStack, bnode.line, bnode.col); // Add the symbols during watching process to the watch symbol list. if (compileStateTracker.ExecMode == ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter) { compileStateTracker.watchSymbolList.Add(symbolnode); } Debug.Assert(symbolnode != null); } else { symbolnode.datatype = inferedType; } if (bnode.LeftNode is TypedIdentifierNode) { symbolnode.SetStaticType(castType); } castType = symbolnode.staticType; EmitPushVarData(runtimeIndex, dimensions, castType.UID, castType.rank); symbol = symbolnode.symbolTableIndex; if (t.Name == ProtoCore.DSASM.Constants.kTempArg) { EmitInstrConsole(ProtoCore.DSASM.kw.pop, t.Name); EmitPopForSymbol(symbolnode); } else { if (compileStateTracker.ExecMode != ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter) { EmitInstrConsole(ProtoCore.DSASM.kw.pop, t.Name); EmitPopForSymbol(symbolnode, node.line, node.col, node.endLine, node.endCol); } else { EmitInstrConsole(ProtoCore.DSASM.kw.popw, t.Name); EmitPopForSymbolW(symbolnode, node.line, node.col, node.endLine, node.endCol); } } } else { if (bnode.LeftNode is TypedIdentifierNode) { symbolnode.SetStaticType(castType); } castType = symbolnode.staticType; EmitPushVarData(runtimeIndex, dimensions, castType.UID, castType.rank); EmitInstrConsole(ProtoCore.DSASM.kw.popm, t.Name); op.optype = (symbolnode.isStatic) ? ProtoCore.DSASM.AddressType.StaticMemVarIndex : ProtoCore.DSASM.AddressType.MemVarIndex; op.opdata = symbol; EmitPopm(op, node.line, node.col, node.endLine, node.endCol); } //if (t.Name[0] != '%') { AutoGenerateUpdateReference(bnode.LeftNode, graphNode); } // Dependency if (!isTempExpression) { // Dependency graph top level symbol graphNode.PushSymbolReference(symbolnode); EmitDependency(bnode.exprUID, bnode.modBlkUID, bnode.isSSAAssignment); functionCallStack.Clear(); } } else { if (!isAllocated) { symbolnode = Allocate(globalClassIndex, globalClassIndex, globalProcIndex, t.Name, inferedType, ProtoCore.DSASM.Constants.kPrimitiveSize, false, ProtoCore.DSASM.AccessSpecifier.kPublic, ProtoCore.DSASM.MemoryRegion.kMemStack, bnode.line, bnode.col); if (compileStateTracker.ExecMode == ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter) { compileStateTracker.watchSymbolList.Add(symbolnode); } if (dimensions > 0) { symbolnode.datatype.rank = dimensions; } } else if (dimensions == 0) { symbolnode.datatype = inferedType; } // // Jun Comment: // Update system uses the following registers: // _ex stores prev value of ident 't' - VM assigned // _fx stores new value - VM assigned // if (bnode.LeftNode is TypedIdentifierNode) { symbolnode.SetStaticType(castType); } castType = symbolnode.staticType; EmitPushVarData(runtimeIndex, dimensions, castType.UID, castType.rank); if (compileStateTracker.ExecMode != ProtoCore.DSASM.InterpreterMode.kExpressionInterpreter) { EmitInstrConsole(ProtoCore.DSASM.kw.pop, symbolnode.name); EmitPopForSymbol(symbolnode, node.line, node.col, node.endLine, node.endCol); } else { EmitInstrConsole(ProtoCore.DSASM.kw.popw, symbolnode.name); EmitPopForSymbolW(symbolnode, node.line, node.col, node.endLine, node.endCol); } AutoGenerateUpdateReference(bnode.LeftNode, graphNode); // Dependency if (!isTempExpression) { // Dependency graph top level symbol graphNode.PushSymbolReference(symbolnode); EmitDependency(bnode.exprUID, bnode.modBlkUID, bnode.isSSAAssignment); functionCallStack.Clear(); } } } // Dependency graph top level symbol //graphNode.symbol = symbolnode; // Assign the end pc to this graph node's update block // Dependency graph construction is complete for this expression if (!isTempExpression) { if (null != leftNodeGlobalRef) { if (null != localProcedure) { // Track for updated globals only in user defined functions if (!localProcedure.isAssocOperator && !localProcedure.isAutoGenerated) { localProcedure.updatedGlobals.Push(leftNodeGlobalRef); } } } graphNode.ResolveLHSArrayIndex(); graphNode.updateBlock.endpc = pc - 1; codeBlock.instrStream.dependencyGraph.Push(graphNode); SymbolNode cyclicSymbol1 = null; SymbolNode cyclicSymbol2 = null; if (compileStateTracker.Options.staticCycleCheck) { //UpdateGraphNodeDependency(graphNode); if (!CyclicDependencyTest(graphNode, ref cyclicSymbol1, ref cyclicSymbol2)) { Validity.Assert(null != cyclicSymbol1); Validity.Assert(null != cyclicSymbol2); // // Set the first symbol that triggers the cycle to null ProtoCore.AssociativeGraph.GraphNode nullAssignGraphNode1 = new ProtoCore.AssociativeGraph.GraphNode(); nullAssignGraphNode1.updateBlock.startpc = pc; EmitPushNull(); EmitPushVarData(cyclicSymbol1.runtimeTableIndex, 0); EmitInstrConsole(ProtoCore.DSASM.kw.pop, cyclicSymbol1.name); EmitPopForSymbol(cyclicSymbol1, node.line, node.col, node.endLine, node.endCol); nullAssignGraphNode1.PushSymbolReference(cyclicSymbol1); nullAssignGraphNode1.procIndex = globalProcIndex; nullAssignGraphNode1.classIndex = globalClassIndex; nullAssignGraphNode1.updateBlock.endpc = pc - 1; codeBlock.instrStream.dependencyGraph.Push(nullAssignGraphNode1); EmitDependency(ProtoCore.DSASM.Constants.kInvalidIndex, ProtoCore.DSASM.Constants.kInvalidIndex, false); // // Set the second symbol that triggers the cycle to null ProtoCore.AssociativeGraph.GraphNode nullAssignGraphNode2 = new ProtoCore.AssociativeGraph.GraphNode(); nullAssignGraphNode2.updateBlock.startpc = pc; EmitPushNull(); EmitPushVarData(cyclicSymbol2.runtimeTableIndex, 0); EmitInstrConsole(ProtoCore.DSASM.kw.pop, cyclicSymbol2.name); EmitPopForSymbol(cyclicSymbol2, node.line, node.col, node.endLine, node.endCol); nullAssignGraphNode2.PushSymbolReference(cyclicSymbol2); nullAssignGraphNode2.procIndex = globalProcIndex; nullAssignGraphNode2.classIndex = globalClassIndex; nullAssignGraphNode2.updateBlock.endpc = pc - 1; codeBlock.instrStream.dependencyGraph.Push(nullAssignGraphNode2); EmitDependency(ProtoCore.DSASM.Constants.kInvalidIndex, ProtoCore.DSASM.Constants.kInvalidIndex, false); } } if (isGraphInScope) { EmitCompileLog("==============End Node==============\n"); } } // Jun Comment: If it just so happens that the inline conditional is in the return statement if (graphNode.isInlineConditional) { graphNode.isReturn = false; if (0 == graphNode.updateNodeRefList.Count) { graphNode.isReturn = true; } } } else { string message = "Illegal assignment (90787393)"; buildStatus.LogSemanticError(message, compileStateTracker.CurrentDSFileName, bnode.line, bnode.col); throw new BuildHaltException(message); } compileStateTracker.DebugProps.breakOptions = oldOptions; //if post fix, now traverse the post fix #if ENABLE_INC_DEC_FIX if (bnode.RightNode is PostFixNode) EmitPostFixNode(bnode.RightNode, ref inferedType); #endif }
public override ProtoCore.DSASM.ProcedureNode 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, ProtoCore.AST.Node bnode = null) { FunctionCallNode funcCall = null; string procName = null; List<ProtoCore.Type> arglist = new List<ProtoCore.Type>(); ProtoCore.Type dotCallType = new ProtoCore.Type(); dotCallType.UID = (int)PrimitiveType.kTypeVar; dotCallType.IsIndexable = false; ProtoCore.AssociativeGraph.UpdateNode updateNode = new ProtoCore.AssociativeGraph.UpdateNode(); if (node is ProtoCore.AST.AssociativeAST.FunctionDotCallNode) { return TraverseDotFunctionCall(node, parentNode, lefttype, depth, ref inferedType, graphNode, subPass, bnode as BinaryExpressionNode); } else { funcCall = node as FunctionCallNode; procName = funcCall.Function.Name; int classIndex = compileStateTracker.ClassTable.IndexOf(procName); bool isAccessible; int dummy; // To support unamed constructor if (classIndex != Constants.kInvalidIndex) { ProcedureNode constructor = compileStateTracker.ClassTable.ClassNodes[classIndex].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out dummy, true); if (constructor != null && constructor.isConstructor) { FunctionCallNode rhsFNode = node as ProtoCore.AST.AssociativeAST.FunctionCallNode; AssociativeNode classNode = nodeBuilder.BuildIdentfier(procName); FunctionDotCallNode dotCallNode = ProtoCore.Utils.CoreUtils.GenerateCallDotNode(classNode, rhsFNode, compileStateTracker); return TraverseDotFunctionCall(dotCallNode, parentNode, lefttype, depth, ref inferedType, graphNode, subPass, bnode as BinaryExpressionNode); } } } foreach (AssociativeNode paramNode in funcCall.FormalArguments) { ProtoCore.Type paramType = new ProtoCore.Type(); paramType.UID = (int)ProtoCore.PrimitiveType.kTypeVoid; paramType.IsIndexable = false; // The range expression function does not need replication guides emitReplicationGuide = !procName.Equals(ProtoCore.DSASM.Constants.kFunctionRangeExpression); // 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, bnode); emitReplicationGuide = false; enforceTypeCheck = true; arglist.Add(paramType); } if (subPass == ProtoCore.DSASM.AssociativeSubCompilePass.kUnboundIdentifier) { return null; } ProtoCore.DSASM.ProcedureNode procNode = null; int type = ProtoCore.DSASM.Constants.kInvalidIndex; 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 = compileStateTracker.ClassTable.IndexOf(leftnode.Name); } } // Check for the actual method, not the dot method // 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 && procName != ProtoCore.DSASM.Constants.kFunctionPointerCall) { bool isAccessible; int realType; bool isStaticOrConstructor = refClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex; procNode = compileStateTracker.ClassTable.ClassNodes[inferedType.UID].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out realType, isStaticOrConstructor); if (procNode != null) { Debug.Assert(realType != ProtoCore.DSASM.Constants.kInvalidIndex); type = lefttype = realType; if (!isAccessible) { type = lefttype = realType; procNode = null; string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodIsInaccessible, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kAccessViolation, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); inferedType.UID = (int)PrimitiveType.kTypeNull; EmitPushNull(); return procNode; } } } // Try function pointer firstly if ((procNode == null) && (procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)) { bool isAccessibleFp; ProtoCore.DSASM.SymbolNode symbolnode = null; bool isAllocated = VerifyAllocation(procName, globalClassIndex, globalProcIndex, out symbolnode, out isAccessibleFp); if (isAllocated) // not checking the type against function pointer, as the type could be var { procName = ProtoCore.DSASM.Constants.kFunctionPointerCall; // The graph node always depends on this function pointer if (null != graphNode) { ProtoCore.AssociativeGraph.GraphNode dependentNode = new ProtoCore.AssociativeGraph.GraphNode(); dependentNode.PushSymbolReference(symbolnode); graphNode.PushDependent(dependentNode); } } } // Always try global function firstly. Because we dont have syntax // support for calling global function (say, ::foo()), if we try // member function firstly, there is no way to call a global function // For member function, we can use this.foo() to distinguish it from // global function. if ((procNode == null) && (procName != ProtoCore.DSASM.Constants.kFunctionPointerCall)) { procNode = compileStateTracker.GetFirstVisibleProcedure(procName, arglist, codeBlock); if (null != procNode) { type = ProtoCore.DSASM.Constants.kGlobalScope; if (compileStateTracker.TypeSystem.IsHigherRank(procNode.returntype.UID, inferedType.UID)) { inferedType = procNode.returntype; } } } // Try member functions in global class scope if ((procNode == null) && (procName != ProtoCore.DSASM.Constants.kFunctionPointerCall) && (parentNode == null)) { if (globalClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex) { int realType; bool isAccessible; bool isStaticOrConstructor = refClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex; ProtoCore.DSASM.ProcedureNode memProcNode = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out realType, isStaticOrConstructor); if (memProcNode != null) { Debug.Assert(realType != ProtoCore.DSASM.Constants.kInvalidIndex); procNode = memProcNode; inferedType = procNode.returntype; type = realType; if (!isAccessible) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodIsInaccessible, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kAccessViolation, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); inferedType.UID = (int)PrimitiveType.kTypeNull; EmitPushNull(); return procNode; } } } } if (null != procNode) { if (procNode.isConstructor && (globalClassIndex != ProtoCore.DSASM.Constants.kInvalidIndex) && (globalProcIndex != ProtoCore.DSASM.Constants.kInvalidIndex) && (globalClassIndex == inferedType.UID)) { ProtoCore.DSASM.ProcedureNode contextProcNode = compileStateTracker.ClassTable.ClassNodes[globalClassIndex].vtable.procList[globalProcIndex]; if (contextProcNode.isConstructor && string.Equals(contextProcNode.name, procNode.name) && contextProcNode.runtimeIndex == procNode.runtimeIndex) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kCallingConstructorInConstructor, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kCallingConstructorInConstructor, message, compileStateTracker.CurrentDSFileName, node.line, node.col ); inferedType.UID = (int)PrimitiveType.kTypeNull; EmitPushNull(); return procNode; } } inferedType = procNode.returntype; //if call is replication call if (procNode.isThisCallReplication) { inferedType.IsIndexable = true; inferedType.rank++; } if (ProtoCore.DSASM.Constants.kInvalidIndex != procNode.procId) { // // ==============Establishing graphnode links in modified arguments============= // // proc TraverseCall(node, graphnode) // ; Get the first procedure, this will only be the first visible procedure // ; Overloads will be handled at runtime // def fnode = getProcedure(node) // // ; For every argument in the function call, // ; attach the modified property list and append it to the graphnode update list // foreach arg in node.args // if fnode.updatedArgProps is not null // def noderef = arg.ident (or identlist) // noderef.append(fnode.updatedArgProps) // graphnode.pushUpdateRef(noderef) // end // end // end // // ============================================================================= // foreach (AssociativeNode paramNode in funcCall.FormalArguments) { // Get the lhs symbol list ProtoCore.Type ltype = new ProtoCore.Type(); ltype.UID = globalClassIndex; ProtoCore.AssociativeGraph.UpdateNodeRef argNodeRef = new ProtoCore.AssociativeGraph.UpdateNodeRef(); DFSGetSymbolList(paramNode, ref ltype, argNodeRef); if (null != graphNode) { graphNode.updatedArguments.Add(argNodeRef); } } // The function is at block 0 if its a constructor, member or at the globals scope. // Its at block 1 if its inside a language block. // Its limited to block 1 as of R1 since we dont support nested function declarations yet int blockId = procNode.runtimeIndex; //push value-not-provided default argument for (int i = arglist.Count; i < procNode.argInfoList.Count; i++) { EmitDefaultArgNode(); } // Push the function declaration block and indexed array // Jun TODO: Implementeation of indexing into a function call: // x = f()[0][1] int dimensions = 0; EmitPushVarData(blockId, dimensions); // The function call EmitInstrConsole(ProtoCore.DSASM.kw.callr, procNode.name); // Do not emit breakpoints at built-in methods like _add/_sub etc. - pratapa if (procNode.isAssocOperator || procNode.name.Equals(ProtoCore.DSASM.Constants.kInlineConditionalMethodName)) { EmitCall(procNode.procId, type, depth, ProtoCore.DSASM.Constants.kInvalidIndex, ProtoCore.DSASM.Constants.kInvalidIndex, ProtoCore.DSASM.Constants.kInvalidIndex, ProtoCore.DSASM.Constants.kInvalidIndex, procNode.pc); } // Break at function call inside dynamic lang block created for a 'true' or 'false' expression inside an inline conditional else if (compileStateTracker.DebugProps.breakOptions.HasFlag(DebugProperties.BreakpointOptions.EmitInlineConditionalBreakpoint)) { Validity.Assert(compileStateTracker.DebugProps.highlightRange != null); ProtoCore.CodeModel.CodePoint startInclusive = compileStateTracker.DebugProps.highlightRange.StartInclusive; ProtoCore.CodeModel.CodePoint endExclusive = compileStateTracker.DebugProps.highlightRange.EndExclusive; EmitCall(procNode.procId, type, depth, startInclusive.LineNo, startInclusive.CharNo, endExclusive.LineNo, endExclusive.CharNo, procNode.pc); } // Use startCol and endCol of binary expression node containing function call except if it's a setter else if (bnode != null && !procNode.name.StartsWith(Constants.kSetterPrefix)) { EmitCall(procNode.procId, type, depth, bnode.line, bnode.col, bnode.endLine, bnode.endCol, procNode.pc); } else { EmitCall(procNode.procId, type, depth, funcCall.line, funcCall.col, funcCall.endLine, funcCall.endCol, procNode.pc); } // The function return value EmitInstrConsole(ProtoCore.DSASM.kw.push, ProtoCore.DSASM.kw.regRX); ProtoCore.DSASM.StackValue opReturn = new ProtoCore.DSASM.StackValue(); opReturn.optype = ProtoCore.DSASM.AddressType.Register; opReturn.opdata = (int)ProtoCore.DSASM.Registers.RX; EmitPush(opReturn); if (dotCallType.UID != (int)PrimitiveType.kTypeVar) { inferedType.UID = dotCallType.UID; } } } else { if (depth <= 0 && procName != ProtoCore.DSASM.Constants.kFunctionPointerCall) { string property; if (CoreUtils.TryGetPropertyName(procName, out property)) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kPropertyNotFound, property); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kPropertyNotFound, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); } else { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodNotFound, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kFunctionNotFound, message, compileStateTracker.CurrentDSFileName, funcCall.line, funcCall.col); } inferedType.UID = (int)PrimitiveType.kTypeNull; EmitPushNull(); } else { if (procName == ProtoCore.DSASM.Constants.kFunctionPointerCall && depth == 0) { ProtoCore.DSASM.DynamicFunctionNode dynamicFunctionNode = new ProtoCore.DSASM.DynamicFunctionNode(procName, arglist, lefttype); compileStateTracker.DynamicFunctionTable.functionTable.Add(dynamicFunctionNode); var iNode = nodeBuilder.BuildIdentfier(funcCall.Function.Name); EmitIdentifierNode(iNode, ref inferedType); } else { ProtoCore.DSASM.DynamicFunctionNode dynamicFunctionNode = new ProtoCore.DSASM.DynamicFunctionNode(funcCall.Function.Name, arglist, lefttype); compileStateTracker.DynamicFunctionTable.functionTable.Add(dynamicFunctionNode); } // The function call EmitInstrConsole(ProtoCore.DSASM.kw.callr, funcCall.Function.Name + "[dynamic]"); EmitDynamicCall(compileStateTracker.DynamicFunctionTable.functionTable.Count - 1, globalClassIndex, depth, funcCall.line, funcCall.col, funcCall.endLine, funcCall.endCol); // The function return value EmitInstrConsole(ProtoCore.DSASM.kw.push, ProtoCore.DSASM.kw.regRX); ProtoCore.DSASM.StackValue opReturn = new ProtoCore.DSASM.StackValue(); opReturn.optype = ProtoCore.DSASM.AddressType.Register; opReturn.opdata = (int)ProtoCore.DSASM.Registers.RX; EmitPush(opReturn); //assign inferedType to var inferedType.UID = (int)PrimitiveType.kTypeVar; } } return procNode; }
private void TraverseDotCallArguments(FunctionCallNode funcCall, FunctionDotCallNode dotCall, ProcedureNode procCallNode, List<ProtoCore.Type> arglist, string procName, int classIndex, string className, bool isStaticCall, bool isConstructor, GraphNode graphNode, AssociativeSubCompilePass subPass, BinaryExpressionNode bnode) { // Update graph dependencies if (subPass != AssociativeSubCompilePass.kUnboundIdentifier && graphNode != null) { if (isStaticCall) { Validity.Assert(classIndex != Constants.kInvalidIndex); Validity.Assert(!string.IsNullOrEmpty(className)); SymbolNode classSymbol = new SymbolNode(); classSymbol.name = className; classSymbol.classScope = classIndex; GraphNode dependentNode = new GraphNode(); dependentNode.PushSymbolReference(classSymbol, UpdateNodeType.kSymbol); graphNode.PushDependent(dependentNode); } if (!isConstructor && graphNode.dependentList.Count > 0) { UpdateNode updateNode = new UpdateNode(); string propertyName; if (CoreUtils.TryGetPropertyName(procName, out propertyName)) { var dummySymbol = new SymbolNode(); dummySymbol.name = propertyName; updateNode.nodeType = UpdateNodeType.kSymbol; updateNode.symbol = dummySymbol; } else { var dummyProcNode = new ProcedureNode(); dummyProcNode.name = procName; updateNode.nodeType = UpdateNodeType.kMethod; updateNode.procNode = dummyProcNode; } graphNode.dependentList[0].updateNodeRefList[0].nodeList.Add(updateNode); } } int funtionArgCount = 0; for (int n = 0; n < funcCall.FormalArguments.Count; ++n) { if (isStaticCall || isConstructor) { if (n != Constants.kDotArgIndexArrayArgs) { continue; } } AssociativeNode paramNode = funcCall.FormalArguments[n]; ProtoCore.Type paramType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, 0); emitReplicationGuide = false; // If it's a binary node then continue type check, otherwise // disable type check and just take the type of paramNode itself enforceTypeCheck = !(paramNode is BinaryExpressionNode); if (ProtoCore.DSASM.Constants.kDotArgIndexPtr == n) { // Traversing the first arg (the LHS pointer/Static instanct/Constructor // Replication guides only allowed on method, e.g., // // x = p<1>.f({1,2}<2>); // // But not on getter, e.g., // // c = a<1>.x<2>; if (!CoreUtils.IsGetterSetter(procName) && !isConstructor) { emitReplicationGuide = true; } DfsTraverse(paramNode, ref paramType, false, graphNode, subPass, bnode); } else if (ProtoCore.DSASM.Constants.kDotArgIndexArrayArgs == n) { // Traversing the actual arguments passed into the function // (not the dot function) int defaultArgNumber = 0; // If its null this is the second call in a chained dot if (null != procCallNode) { defaultArgNumber = procCallNode.argInfoList.Count - dotCall.FunctionCall.FormalArguments.Count; } // Enable graphnode dependencies if its a setter method bool allowDependentState = null != graphNode ? graphNode.allowDependents : false; if (CoreUtils.IsSetter(procName)) { // If the arguments are not temporaries ExprListNode exprList = paramNode as ExprListNode; Validity.Assert(1 == exprList.list.Count); string varname = string.Empty; if (exprList.list[0] is IdentifierNode) { varname = (exprList.list[0] as IdentifierNode).Name; if (!CoreUtils.IsAutoGeneratedVar(varname)) { graphNode.allowDependents = true; } else if (CoreUtils.IsSSATemp(varname) && core.Options.GenerateSSA) { graphNode.allowDependents = true; } } else { graphNode.allowDependents = true; } } emitReplicationGuide = true; if (defaultArgNumber > 0) { ExprListNode exprList = paramNode as ExprListNode; if (subPass != AssociativeSubCompilePass.kUnboundIdentifier) { for (int i = 0; i < defaultArgNumber; i++) { exprList.list.Add(new DefaultArgNode()); } } if (!isStaticCall && !isConstructor) { DfsTraverse(paramNode, ref paramType, false, graphNode, subPass); funtionArgCount = exprList.list.Count; } else { foreach (AssociativeNode exprListNode in exprList.list) { bool repGuideState = emitReplicationGuide; if (subPass != AssociativeSubCompilePass.kUnboundIdentifier) { if (exprListNode is ExprListNode || exprListNode is GroupExpressionNode) { if (core.Options.TempReplicationGuideEmptyFlag) { // Emit the replication guide for the exprlist var repGuideList = GetReplicationGuides(exprListNode); if (repGuideList != null) { EmitReplicationGuides(repGuideList, true); EmitInstrConsole(ProtoCore.DSASM.kw.popg); EmitPopGuide(); } emitReplicationGuide = false; } } } else { emitReplicationGuide = false; } DfsTraverse(exprListNode, ref paramType, false, graphNode, subPass, bnode); emitReplicationGuide = repGuideState; arglist.Add(paramType); } } } else { ExprListNode exprList = paramNode as ExprListNode; // Comment Jun: This is a getter/setter or a an auto-generated thisarg function... // ...add the dynamic sv that will be resolved as a pointer at runtime if (!isStaticCall && !isConstructor) { // TODO Jun: pls get rid of subPass checking outside the core travesal if (AssociativeSubCompilePass.kNone == subPass) { exprList.list.Insert(0, new DynamicNode()); } } if (exprList.list.Count > 0) { foreach (AssociativeNode exprListNode in exprList.list) { bool repGuideState = emitReplicationGuide; if (subPass != AssociativeSubCompilePass.kUnboundIdentifier) { if (exprListNode is ExprListNode || exprListNode is GroupExpressionNode) { if (core.Options.TempReplicationGuideEmptyFlag) { // Emit the replication guide for the exprlist var repGuideList = GetReplicationGuides(exprListNode); if (repGuideList != null) { EmitReplicationGuides(repGuideList, true); EmitInstrConsole(ProtoCore.DSASM.kw.popg); EmitPopGuide(); } emitReplicationGuide = false; } } } else { emitReplicationGuide = false; } DfsTraverse(exprListNode, ref paramType, false, graphNode, subPass, bnode); emitReplicationGuide = repGuideState; arglist.Add(paramType); } if (subPass != AssociativeSubCompilePass.kUnboundIdentifier && !isStaticCall && !isConstructor) { EmitInstrConsole(ProtoCore.DSASM.kw.alloca, exprList.list.Count.ToString()); EmitPopArray(exprList.list.Count); if (exprList.ArrayDimensions != null) { int dimensions = DfsEmitArrayIndexHeap(exprList.ArrayDimensions, graphNode); EmitInstrConsole(ProtoCore.DSASM.kw.pushindex, dimensions.ToString() + "[dim]"); EmitPushArrayIndex(dimensions); } } } else { if (!isStaticCall && !isConstructor) { if (exprList != null) { bool emitReplicationGuideState = emitReplicationGuide; emitReplicationGuide = false; DfsTraverse(paramNode, ref paramType, false, graphNode, subPass); emitReplicationGuide = emitReplicationGuideState; } else { DfsTraverse(paramNode, ref paramType, false, graphNode, subPass); } } } funtionArgCount = exprList.list.Count; } emitReplicationGuide = false; // Restore the state only if it is a setter method if (ProtoCore.Utils.CoreUtils.IsSetter(procName)) { graphNode.allowDependents = allowDependentState; } } else if (ProtoCore.DSASM.Constants.kDotArgIndexArgCount == n) { IntNode argNumNode = new IntNode(funtionArgCount); DfsTraverse(argNumNode, ref paramType, false, graphNode, subPass); } else { DfsTraverse(paramNode, ref paramType, false, graphNode, subPass); } emitReplicationGuide = false; enforceTypeCheck = true; if (!isStaticCall || !isConstructor) { arglist.Add(paramType); } } }
public ProcedureNode TraverseDotFunctionCall( ProtoCore.AST.Node node, ProtoCore.AST.Node parentNode, int lefttype, int depth, GraphNode graphNode, AssociativeSubCompilePass subPass, BinaryExpressionNode bnode, ref ProtoCore.Type inferedType) { Guid guid = graphNode == null ? default(Guid) : graphNode.guid; ProcedureNode procCallNode = null; var dotCallType = TypeSystem.BuildPrimitiveTypeObject(PrimitiveType.kTypeVar, 0); ; bool isConstructor = false; bool isStaticCall = false; bool isUnresolvedDot = false; int classIndex = Constants.kInvalidIndex; string className = string.Empty; var dotCall = new FunctionDotCallNode(node as FunctionDotCallNode); var funcCall = dotCall.DotCall; var procName = dotCall.FunctionCall.Function.Name; var firstArgument = dotCall.DotCall.FormalArguments[0]; if (firstArgument is FunctionDotCallNode) { isUnresolvedDot = true; } else if (firstArgument is IdentifierNode) { // Check if the lhs identifer is a class name className = (firstArgument as IdentifierNode).Name; classIndex = core.ClassTable.IndexOf(className); // Check if the lhs is an variable SymbolNode symbolnode; bool isAccessible; bool hasAllocated = VerifyAllocation(className, globalClassIndex, globalProcIndex, out symbolnode, out isAccessible); bool toResolveMethodOnClass = classIndex != Constants.kInvalidIndex; // If the lhs is an variable which happens to have a same name // as some class, then check the right hand side is a valid // constructor or static function call. if (toResolveMethodOnClass && hasAllocated && isAccessible) { var classes = core.ClassTable.ClassNodes; var classNode = classes[classIndex]; int argCount = dotCall.FunctionCall.FormalArguments.Count; var procNode = classNode.GetFirstConstructorBy(procName, argCount); if (procNode == null) { procNode = classNode.GetFirstStaticFunctionBy(procName, argCount); } if (procNode == null) { toResolveMethodOnClass = false; classIndex = Constants.kInvalidIndex; className = string.Empty; } } if (toResolveMethodOnClass) { dotCall.DotCall.FormalArguments[0] = new IntNode(classIndex); inferedType.UID = dotCallType.UID = classIndex; // Now the left hand side of dot call is a valid class name. // There are three cases for the right hand side: calling a // function, getting a static property or getting a function // pointer. I.e., // // x = Foo.foo(); // // Or // // y = Bar.bar; // static property or funciton pointer // Bar.bar_2 = z; // static property // // For the latters, they are converted to getter/setter. // I.e., // // y = Bar.%get_bar(); // %ret = Bar.%set_bar_2(z); // // We need to check each case. var classes = core.ClassTable.ClassNodes; var classNode = classes[classIndex]; var property = String.Empty; if (CoreUtils.TryGetPropertyName(procName, out property)) { if (procCallNode == null) { procCallNode = classNode.GetFirstStaticFunctionBy(procName); isStaticCall = procCallNode != null; } if (procCallNode == null) { if (subPass != AssociativeSubCompilePass.kNone) { return null; } // Try static function firstly procCallNode = classNode.GetFirstStaticFunctionBy(property); if (procCallNode == null) { procCallNode = classNode.GetFirstMemberFunctionBy(property); } if (procCallNode == null) { procCallNode = classNode.GetFirstMemberFunctionBy(procName); } if (procCallNode != null) { EmitFunctionPointer(procCallNode); } else { string message = String.Format(WarningMessage.kCallingNonStaticProperty, className, property); buildStatus.LogWarning(WarningID.kCallingNonStaticMethodOnClass, message, core.CurrentDSFileName, dotCall.line, dotCall.col, guid); EmitNullNode(new NullNode(), ref inferedType); } return null; } } else { int argCount = dotCall.FunctionCall.FormalArguments.Count; procCallNode = classNode.GetFirstConstructorBy(procName, argCount); isConstructor = procCallNode != null; if (procCallNode == null) { procCallNode = classNode.GetFirstStaticFunctionBy(procName, argCount); isStaticCall = procCallNode != null; } if (!isStaticCall && !isConstructor) { if (subPass == AssociativeSubCompilePass.kNone) { string message = String.Format(WarningMessage.kStaticMethodNotFound, className, procName); buildStatus.LogWarning(WarningID.kFunctionNotFound, message, core.CurrentDSFileName, dotCall.line, dotCall.col, guid); EmitNullNode(new NullNode(), ref inferedType); } return null; } } } else if (hasAllocated && symbolnode.datatype.UID != (int)PrimitiveType.kTypeVar) { inferedType.UID = symbolnode.datatype.UID; if (Constants.kInvalidIndex != inferedType.UID) { procCallNode = GetProcedureFromInstance(symbolnode.datatype.UID, dotCall.FunctionCall); } if (null != procCallNode) { if (procCallNode.isConstructor) { if (subPass == AssociativeSubCompilePass.kNone) { string message = String.Format(WarningMessage.KCallingConstructorOnInstance, procName); buildStatus.LogWarning(WarningID.kCallingConstructorOnInstance, message, core.CurrentDSFileName, funcCall.line, funcCall.col, guid); EmitNullNode(new NullNode(), ref inferedType); } return null; } isAccessible = procCallNode.access == AccessSpecifier.kPublic || (procCallNode.access == AccessSpecifier.kPrivate && procCallNode.classScope == globalClassIndex); if (!isAccessible) { if (subPass == AssociativeSubCompilePass.kNone) { string message = String.Format(ProtoCore.BuildData.WarningMessage.kMethodIsInaccessible, procName); buildStatus.LogWarning(ProtoCore.BuildData.WarningID.kAccessViolation, message, core.CurrentDSFileName, funcCall.line, funcCall.col, guid); } } var dynamicRhsIndex = (int)(dotCall.DotCall.FormalArguments[1] as IntNode).Value; var dynFunc = core.DynamicFunctionTable.GetFunctionAtIndex(dynamicRhsIndex); dynFunc.ClassIndex = procCallNode.classScope; } } else { isUnresolvedDot = true; } } // Its an accceptable method at this point List<ProtoCore.Type> arglist = new List<ProtoCore.Type>(); TraverseDotCallArguments(funcCall, dotCall, procCallNode, arglist, procName, classIndex, className, isStaticCall, isConstructor, graphNode, subPass, bnode); if (subPass == AssociativeSubCompilePass.kUnboundIdentifier) { return null; } if (!isConstructor && !isStaticCall) { Validity.Assert(dotCall.DotCall.FormalArguments[ProtoCore.DSASM.Constants.kDotArgIndexArrayArgs] is ExprListNode); ExprListNode functionArgs = dotCall.DotCall.FormalArguments[ProtoCore.DSASM.Constants.kDotArgIndexArrayArgs] as ExprListNode; functionArgs.list.Insert(0, dotCall.DotCall.FormalArguments[ProtoCore.DSASM.Constants.kDotArgIndexPtr]); } // From here on, handle the actual procedure call int type = ProtoCore.DSASM.Constants.kInvalidIndex; int refClassIndex = ProtoCore.DSASM.Constants.kInvalidIndex; if (parentNode != null && parentNode is IdentifierListNode) { var leftnode = (parentNode as IdentifierListNode).LeftNode; if (leftnode != null && leftnode is IdentifierNode) { refClassIndex = core.ClassTable.IndexOf(leftnode.Name); } } if (firstArgument is FunctionCallNode || firstArgument is FunctionDotCallNode || firstArgument is ExprListNode) { inferedType.UID = arglist[0].UID; } // If lefttype is a valid class then check if calling a constructor if (procCallNode == null && (int)PrimitiveType.kInvalidType != inferedType.UID && (int)PrimitiveType.kTypeVoid != inferedType.UID && procName != Constants.kFunctionPointerCall) { procCallNode = core.ClassTable.ClassNodes[inferedType.UID].GetFirstMemberFunctionBy(procName); } // Try function pointer firstly if ((procCallNode == null) && (procName != Constants.kFunctionPointerCall)) { bool isAccessibleFp; ProtoCore.DSASM.SymbolNode symbolnode = null; bool isAllocated = VerifyAllocation(procName, globalClassIndex, globalProcIndex, out symbolnode, out isAccessibleFp); if (isAllocated) // not checking the type against function pointer, as the type could be var { procName = Constants.kFunctionPointerCall; // The graph node always depends on this function pointer if (null != graphNode) { GraphNode dependentNode = new GraphNode(); dependentNode.PushSymbolReference(symbolnode); graphNode.PushDependent(dependentNode); } } } // Always try global function firstly. Because we dont have syntax // support for calling global function (say, ::foo()), if we try // member function firstly, there is no way to call a global function // For member function, we can use this.foo() to distinguish it from // global function. if ((procCallNode == null) && (procName != Constants.kFunctionPointerCall)) { procCallNode = core.GetFirstVisibleProcedure(procName, arglist, codeBlock); if (null != procCallNode) { type = Constants.kGlobalScope; if (core.TypeSystem.IsHigherRank(procCallNode.returntype.UID, inferedType.UID)) { inferedType = procCallNode.returntype; } } } // Try member functions in global class scope if ((procCallNode == null) && (procName != Constants.kFunctionPointerCall) && (parentNode == null)) { if (globalClassIndex != Constants.kInvalidIndex) { int realType; bool isAccessible; bool isStaticOrConstructor = refClassIndex != Constants.kInvalidIndex; ProcedureNode memProcNode = core.ClassTable.ClassNodes[globalClassIndex].GetMemberFunction(procName, arglist, globalClassIndex, out isAccessible, out realType, isStaticOrConstructor); if (memProcNode != null) { Validity.Assert(realType != Constants.kInvalidIndex); procCallNode = memProcNode; inferedType = procCallNode.returntype; type = realType; if (!isAccessible) { string message = String.Format(WarningMessage.kMethodIsInaccessible, procName); buildStatus.LogWarning(WarningID.kAccessViolation, message, core.CurrentDSFileName, funcCall.line, funcCall.col, guid); inferedType.UID = (int)PrimitiveType.kTypeNull; EmitPushNull(); return procCallNode; } } } } if (isUnresolvedDot || procCallNode == null) { if (dotCallType.UID != (int)PrimitiveType.kTypeVar) { inferedType.UID = dotCallType.UID; } var procNode = core.GetFirstVisibleProcedure(Constants.kDotMethodName, null, codeBlock); if (CoreUtils.IsGetter(procName)) { EmitFunctionCall(depth, type, arglist, procNode, funcCall, true); } else { EmitFunctionCall(depth, type, arglist, procNode, funcCall, false, bnode); } return procNode; } else { if (procCallNode.isConstructor && (globalClassIndex != Constants.kInvalidIndex) && (globalProcIndex != Constants.kInvalidIndex) && (globalClassIndex == inferedType.UID)) { ProcedureNode contextProcNode = core.ClassTable.ClassNodes[globalClassIndex].vtable.procList[globalProcIndex]; if (contextProcNode.isConstructor && string.Equals(contextProcNode.name, procCallNode.name) && contextProcNode.runtimeIndex == procCallNode.runtimeIndex) { string message = String.Format(WarningMessage.kCallingConstructorInConstructor, procName); buildStatus.LogWarning(WarningID.kCallingConstructorInConstructor, message, core.CurrentDSFileName, node.line, node.col, guid); inferedType.UID = (int)PrimitiveType.kTypeNull; EmitPushNull(); return procCallNode; } } inferedType = procCallNode.returntype; // Get the dot call procedure if (isConstructor || isStaticCall) { bool isGetter = CoreUtils.IsGetter(procName); EmitFunctionCall(depth, procCallNode.classScope, arglist, procCallNode, funcCall, isGetter, bnode); } else { var procNode = core.GetFirstVisibleProcedure(Constants.kDotMethodName, null, codeBlock); if (CoreUtils.IsSetter(procName)) { EmitFunctionCall(depth, type, arglist, procNode, funcCall); } // Do not emit breakpoint at getters only - pratapa else if (CoreUtils.IsGetter(procName)) { EmitFunctionCall(depth, type, arglist, procNode, funcCall, true); } else { EmitFunctionCall(depth, type, arglist, procNode, funcCall, false, bnode); } if (dotCallType.UID != (int)PrimitiveType.kTypeVar) { inferedType.UID = dotCallType.UID; } } if (isConstructor) { foreach (AssociativeNode paramNode in dotCall.FunctionCall.FormalArguments) { // Get the lhs symbol list ProtoCore.Type ltype = new ProtoCore.Type(); ltype.UID = globalClassIndex; UpdateNodeRef argNodeRef = new UpdateNodeRef(); DFSGetSymbolList(paramNode, ref ltype, argNodeRef); if (null != graphNode) { if (argNodeRef.nodeList.Count > 0) { graphNode.updatedArguments.Add(argNodeRef); } } } graphNode.firstProc = procCallNode; } return procCallNode; } }