private ILanguageValue EvaluateBasicPolyadicMacroCall(GMacMacro macro, OperandsByValueAccess operands)
{
PushRecord(macro.ChildScope, false);
//Initialize parameters to their default values
foreach (var param in macro.Parameters)
{
var paramValue = GMacRootAst.CreateDefaultValue(param.SymbolType);
ActiveAr.AddSymbolData(param, paramValue);
}
//Modify assigned parameters values from macro call operands
foreach (var command in operands.AssignmentsList)
{
Visit(command);
}
//Execute macro body
macro.SymbolBody.AcceptVisitor(this);
//macro.OptimizedCompiledBody.AcceptVisitor(this);
//Read output parameter value
var value = ActiveAr.GetSymbolData(macro.FirstOutputParameter);
PopRecord();
return(value);
}
private ILanguageExpression CompileMacroCall(GMacMacro macro, OperandsByValueAccess operands)
{
PushRecord(macro.ChildScope, false);
foreach (var param in macro.Parameters)
{
CompileVariable(param);
//Set the initial values of all parameters of called macro to their default
var defaultAssignmentCommand =
new OperandsByValueAccessAssignment(
LanguageValueAccess.Create(param),
GMacRootAst.CreateDefaultValue(param.SymbolType)
);
CompileParameterAssignment(defaultAssignmentCommand);
}
foreach (var command in operands.AssignmentsList)
{
CompileParameterAssignment(command);
}
//this.Visit(macro.ProcedureBody);
Visit(macro.OptimizedCompiledBody);
var compiledOutputVariable = GetSymbolData(macro.OutputParameter);
PopRecord();
return(LanguageValueAccess.Create(compiledOutputVariable));
}
internal void Generate_BasicPolyadic_MacroCall(GMacMacro macro, OperandsByValueAccess operands)
{
//this.Log.Append(macro.OperatorName);
Log.Append("(");
var flag = false;
foreach (var operand in operands.AssignmentsList)
{
if (flag)
{
Log.Append(", ");
}
else
{
flag = true;
}
operand.LhsValueAccess.AcceptVisitor(this);
Log.Append(" : ");
Log.Append(operand.LhsValueAccess.ExpressionType.TypeSignature);
Log.Append(" = ");
operand.RhsExpression.AcceptVisitor(this);
}
Log.Append(")");
}
internal BasicPolyadic CreateConstructorExpression(OperandsByValueAccess operands)
{
return
(BasicPolyadic.Create(
this,
GMacStructureConstructor.Create(this),
operands
));
}
public OperandsByValueAccess ReplaceLValueByExpression(OperandsByValueAccess oldOperands, SymbolLValue oldLvalue, ILanguageExpressionAtomic newExpr)
{
foreach (var assignment in oldOperands.AssignmentsList)
{
var newOpExpr = ReplaceLValueByExpression(assignment.RhsExpression, oldLvalue, newExpr);
assignment.ChangeRhsExpression(newOpExpr);
}
return(oldOperands);
}
public IEnumerable <SymbolLValue> GetLValues(OperandsByValueAccess operands)
{
var lvalues = Enumerable.Empty <SymbolLValue>();
return
(operands
.AssignmentsList
.Where(assignment => assignment.RhsExpression is LanguageValueAccess)
.Aggregate(
lvalues,
(current, assignment) => current.Concat(((LanguageValueAccess)assignment.RhsExpression).AccessLValues)
));
}
private ILanguageExpression CompileStructureConstructor(GMacStructureConstructor structureCons, OperandsByValueAccess operands)
{
ILanguageExpressionAtomic compiledDefaultValueSource = null;
if (structureCons.HasDefaultValueSource)
{
compiledDefaultValueSource =
(ILanguageExpressionAtomic)CompileExpression(structureCons.DefaultValueSource);
}
var compiledOperands = OperandsByValueAccess.Create();
foreach (var command in operands.AssignmentsList)
{
var compiledLhsValue = CompileLhsValueAccess(command.LhsValueAccess);
var compiledRhsExpr =
(ILanguageExpressionAtomic)CompileExpression(command.RhsExpression);
compiledOperands.AddOperand(compiledLhsValue, compiledRhsExpr);
}
return(structureCons.Structure.CreateConstructorExpression(compiledDefaultValueSource, compiledOperands));
}
private ILanguageExpression translate_Expression_Function_Macro(GMacMacro macro, ParseTreeNode node)
{
var operands = OperandsByValueAccess.Create();
if (node.ChildNodes.Count == 0)
{
return(BasicPolyadic.Create(macro.OutputParameterType, macro, operands));
}
var expressionFunctionInputsNode = node.ChildNodes[0];
var subNode = expressionFunctionInputsNode.ChildNodes[0];
switch (subNode.Term.ToString())
{
case GMacParseNodeNames.ExpressionFunctionInputsAssignments:
var expressionFunctionInputsAssignmentsNode = subNode;
foreach (var nodeExpressionFunctionInputsAssignmentsItem in expressionFunctionInputsAssignmentsNode.ChildNodes)
{
var lhsNode = nodeExpressionFunctionInputsAssignmentsItem.ChildNodes[0].ChildNodes[0];
var rhsNode = nodeExpressionFunctionInputsAssignmentsItem.ChildNodes[1];
var lhsValAccess = GMacValueAccessGenerator.Translate_LValue_MacroParameter(Context, lhsNode, macro);
var rhsExpr =
BasicExpressionGenerator.Generate_PolyadicOperand(
lhsValAccess.ExpressionType,
GMacExpressionGenerator.Translate(BasicExpressionGenerator, rhsNode)
);
operands.AddOperand(lhsValAccess, rhsExpr);
}
break;
case GMacParseNodeNames.ExpressionFunctionInputsExpressions:
var nodeExpressionFunctionInputsExpressions = subNode;
var i = -1;
foreach (var parameter in macro.Parameters)
{
if (i >= nodeExpressionFunctionInputsExpressions.ChildNodes.Count)
{
break;
}
//The first parameter of any macro is the 'result' output parameter; ignore it
if (i >= 0)
{
var rhsNode = nodeExpressionFunctionInputsExpressions.ChildNodes[i];
var lhsValAccess = LanguageValueAccess.Create(parameter);
var rhsExpr =
BasicExpressionGenerator.Generate_PolyadicOperand(
lhsValAccess.ExpressionType,
GMacExpressionGenerator.Translate(BasicExpressionGenerator, rhsNode)
);
operands.AddOperand(lhsValAccess, rhsExpr);
}
i = i + 1;
}
if (nodeExpressionFunctionInputsExpressions.ChildNodes.Count > i)
{
return(CompilationLog.RaiseGeneratorError <ILanguageExpression>("Expecting a list of at most " + i + " expression as input to the macro call", node));
}
break;
default:
return(CompilationLog.RaiseGeneratorError <ILanguageExpression>("Expecting a list of expressions or list of parameter assignments as input to the macro call", node));
}
return(BasicPolyadic.Create(macro.OutputParameterType, macro, operands));
}
private ILanguageExpression translate_Expression_Function_Structure(GMacStructure structure, ILanguageExpressionAtomic defaultValueSource, ParseTreeNode node)
{
var operands = OperandsByValueAccess.Create();
if (node.ChildNodes.Count == 0)
{
return
(defaultValueSource == null
? structure.CreateConstructorExpression(operands)
: structure.CreateConstructorExpression(defaultValueSource, operands));
}
var expressionFunctionInputsNode = node.ChildNodes[0];
var subNode = expressionFunctionInputsNode.ChildNodes[0];
switch (subNode.Term.ToString())
{
case GMacParseNodeNames.ExpressionFunctionInputsAssignments:
var expressionFunctionInputsAssignmentsNode = subNode;
foreach (var nodeExpressionFunctionInputsAssignmentsItem in expressionFunctionInputsAssignmentsNode.ChildNodes)
{
var lhsNode = nodeExpressionFunctionInputsAssignmentsItem.ChildNodes[0].ChildNodes[0];
var rhsNode = nodeExpressionFunctionInputsAssignmentsItem.ChildNodes[1];
var lhsValAccess = GMacValueAccessGenerator.Translate_LValue_StructureMember(Context, lhsNode, structure);
var rhsExpr =
BasicExpressionGenerator.Generate_PolyadicOperand(
lhsValAccess.ExpressionType,
GMacExpressionGenerator.Translate(BasicExpressionGenerator, rhsNode)
);
operands.AddOperand(lhsValAccess, rhsExpr);
}
break;
case GMacParseNodeNames.ExpressionFunctionInputsExpressions:
var expressionFunctionInputsExpressionsNode = subNode;
var i = 0;
foreach (var dataMember in structure.DataMembers)
{
if (i >= expressionFunctionInputsExpressionsNode.ChildNodes.Count)
{
break;
}
var rhsNode = expressionFunctionInputsExpressionsNode.ChildNodes[i];
var lhsValAccess = LanguageValueAccess.Create(dataMember);
var rhsExpr =
BasicExpressionGenerator.Generate_PolyadicOperand(
lhsValAccess.ExpressionType,
GMacExpressionGenerator.Translate(BasicExpressionGenerator, rhsNode)
);
operands.AddOperand(lhsValAccess, rhsExpr);
i = i + 1;
}
if (expressionFunctionInputsExpressionsNode.ChildNodes.Count > i)
{
return(CompilationLog.RaiseGeneratorError <ILanguageExpression>("Expecting a list of at most " + i + " expression as input to the structure construction", node));
}
break;
default:
return(CompilationLog.RaiseGeneratorError <ILanguageExpression>("Expecting a list of expressions or a list of member assignments as input to the structure construction", node));
}
return
(defaultValueSource == null
? structure.CreateConstructorExpression(operands)
: structure.CreateConstructorExpression(defaultValueSource, operands));
}
/// <summary>
/// Evaluate a structure construction operation
/// </summary>
/// <param name="structureCons"></param>
/// <param name="operands"></param>
/// <returns></returns>
private ValueStructureSparse EvaluateBasicPolyadicStructureConstructor(GMacStructureConstructor structureCons, OperandsByValueAccess operands)
{
ValueStructureSparse value;
if (structureCons.HasDefaultValueSource)
{
value =
(ValueStructureSparse)structureCons
.DefaultValueSource
.AcceptVisitor(this)
.DuplicateValue(true);
}
else
{
value =
(ValueStructureSparse)GMacRootAst
.CreateDefaultValue(structureCons.Structure);
}
foreach (var command in operands.AssignmentsList)
{
var rhsValue = command.RhsExpression.AcceptVisitor(this);
if (command.LhsValueAccess.IsFullAccess)
{
value[command.LhsValueAccess.RootSymbol.ObjectName] = rhsValue.DuplicateValue(true);
}
else
{
var sourceValue = value[command.LhsValueAccess.RootSymbol.ObjectName];
ValueAccessProcessor.WritePartialValue(sourceValue, command.LhsValueAccess, rhsValue.DuplicateValue(true));
}
}
return(value);
}
/// <summary>
/// Create a composite type initialized constructor RHS expression based on the given command with
/// partial LHS value access and a new temporary local variable as explained in Optimize_ReplaceAllLHSPartialAccess
/// </summary>
/// <param name="commandInfo"></param>
/// <param name="newLvalue"></param>
/// <returns></returns>
private BasicPolyadic CreateConstructorExpression(HlCommandInfo commandInfo, SymbolLValue newLvalue)
{
var oldValueAccess = commandInfo.AssociatedCommand.LhsValueAccess;
var oldLvalue = oldValueAccess.RootSymbolAsLValue;
var firstDefStId = _lValuesTable.GetFirstDefiningCommandInfo(oldLvalue).CommandInfoId;
var useDefaultSource =
firstDefStId < 0 || firstDefStId != commandInfo.CommandInfoId;
var typeStructure = oldValueAccess.RootSymbolAsLValue.SymbolType as GMacStructure;
if (typeStructure != null)
{
var structure = typeStructure;
var operands = OperandsByValueAccess.Create();
var dataMemberName = ((ValueAccessStepByKey <string>)oldValueAccess.LastAccessStep).AccessKey;
var dataMember = structure.GetDataMember(dataMemberName);
var operandLhsValueAccess = LanguageValueAccess.Create(dataMember);
var operandRhsExpr = LanguageValueAccess.Create(newLvalue);
operandLhsValueAccess.Append(oldValueAccess.AccessSteps.Skip(2));
operands.AddOperand(operandLhsValueAccess, operandRhsExpr);
if (useDefaultSource)
{
return(structure.CreateConstructorExpression(
LanguageValueAccess.Create(oldLvalue),
operands
));
}
return(structure.CreateConstructorExpression(operands));
}
if (!(oldValueAccess.RootSymbolAsLValue.SymbolType is GMacFrameMultivector))
{
throw new InvalidOperationException("Unknown composite type to be constructed");
}
var mvType = (GMacFrameMultivector)oldValueAccess.RootSymbolAsLValue.SymbolType;
var operandsByIndex = OperandsByIndex.Create();
var stepByKey = oldValueAccess.LastAccessStep as ValueAccessStepByKey <int>;
if (stepByKey != null)
{
var id = stepByKey.AccessKey;
operandsByIndex.AddOperand(id, LanguageValueAccess.Create(newLvalue));
}
else
{
var stepByKeyList = oldValueAccess.LastAccessStep as ValueAccessStepByKeyList <int>;
if (stepByKeyList == null)
{
throw new InvalidOperationException("Invalid access step for a multivector");
}
var idsList = stepByKeyList.AccessKeyList;
foreach (var id in idsList)
{
operandsByIndex.AddOperand(id,
LanguageValueAccess.Create(newLvalue).Append(id, ((GMacAst)BaseMacro.RootAst).ScalarType));
}
}
if (useDefaultSource)
{
return(mvType.CreateConstructorExpression(
LanguageValueAccess.Create(oldLvalue),
operandsByIndex
));
}
return(mvType.CreateConstructorExpression(operandsByIndex));
}
internal BasicPolyadic CreateConstructorExpression(ILanguageExpressionAtomic defaultValueSource, OperandsByValueAccess operands)
{
return
(BasicPolyadic.Create(
this,
GMacStructureConstructor.Create(this, defaultValueSource),
operands
));
}
internal void Generate_BasicPolyadic_StructureConstruction(GMacStructureConstructor structureCons, OperandsByValueAccess operands)
{
Log.Append("{");
if (structureCons.HasDefaultValueSource)
{
structureCons.DefaultValueSource.AcceptVisitor(this);
}
Log.Append("}");
Log.Append("(");
var flag = false;
foreach (var operand in operands.AssignmentsList)
{
if (flag)
{
Log.Append(", ");
}
else
{
flag = true;
}
operand.LhsValueAccess.AcceptVisitor(this);
Log.Append(" : ");
Log.Append(operand.LhsValueAccess.ExpressionType.TypeSignature);
Log.Append(" = ");
operand.RhsExpression.AcceptVisitor(this);
}
Log.Append(")");
}
