public void GenerateCode(NewTypeNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new Allocate((Variable)node.Holder, node.TypeName));
if (node.TypeName == $"{BuiltIn.Object}" ||
node.TypeName == $"{BuiltIn.IO}")
{
return;
}
codeGenerator.AddInstruction(
new Param((Variable)node.Holder));
var rVCall = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(rVCall));
codeGenerator.AddInstruction(
new Call(rVCall, $"{node.TypeName}_Init"));
}
public void GenerateCode(ObjIdNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
// add Local Variable
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
if (node.Symbol.IsAttribute)
{
// X = symb.attr_name (Get_Attr)
var instance = node.OwnerType.Self.Holder;
codeGenerator.AddInstruction(
new GetAttr((Variable)node.Holder,
instance,
$"{node.OwnerType}_{node.Symbol.Name}"));
}
else
{
// X = symb (assign)
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, node.Symbol.Holder));
}
}
public void GenerateCode(BoolNode node, ICIL_CodeGenerator codeGenerator)
{
#region .CODE
var value = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(value));
codeGenerator.AddInstruction(
new Assign(value, node.Value));
//boolObj
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new Allocate((Variable)node.Holder, $"{BuiltIn.Bool}"));
codeGenerator.AddInstruction(
new SetAttr((Variable)node.Holder,
$"{Attribute.Bool_value}",
value));
#endregion
}
public void GenerateCode(StringNode node, ICIL_CodeGenerator codeGenerator)
{
#region .DATA
var data = CIL_Factory.DefineData(node.Text);
CIL_Factory.AddData(data);
#endregion
#region .CODE
var str = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(str));
codeGenerator.AddInstruction(new Load(str, data));
//strObj
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddInstruction(
new Allocate((Variable)node.Holder, $"{BuiltIn.String}"));
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new SetAttr((Variable)node.Holder,
$"{Attribute.String_value}",
str));
#endregion
}
public void GenerateCode(IntegerNode node, ICIL_CodeGenerator codeGenerator)
{
#region .CODE
var value = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(value));
codeGenerator.AddInstruction(
new Assign(value, node.Value));
//IntObj
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new Allocate((Variable)node.Holder, $"{BuiltIn.Int}"));
codeGenerator.AddInstruction(
new SetAttr((Variable)node.Holder,
"Int_value",
value));
#endregion
}
public void GenerateCode(LetExpresNode node, ICIL_CodeGenerator codeGenerator)
{
foreach (var field in node.LocalOrFieldInits)
{
GenerateCode(field, codeGenerator);
}
}
public void GenerateCode(ArithmeticOperationNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
GenerateCode(node.OpNode1, codeGenerator);
GenerateCode(node.OpNode2, codeGenerator);
switch (node)
{
case AdditionNode additionNode:
codeGenerator.AddInstruction(
new CilPlus((Variable)additionNode.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
break;
case DivisionNode divisionNode:
codeGenerator.AddInstruction(
new CilDiv((Variable)divisionNode.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
break;
case MultiplicationNode multiplicationNode:
codeGenerator.AddInstruction(
new CilMult((Variable)multiplicationNode.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
break;
case SubstractionNode substractionNode:
codeGenerator.AddInstruction(
new CilMinus((Variable)substractionNode.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
break;
}
}
public void GenerateCode(OrNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
GenerateCode(node.OpNode1, codeGenerator);
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, node.OpNode1.Holder));
var label = codeGenerator.DefineLabel();
codeGenerator.AddInstruction(
new ConditionalJump((Variable)node.Holder, true, label));
GenerateCode(node.OpNode2, codeGenerator);
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, node.OpNode2.Holder));
codeGenerator.AddInstruction(
new Label(label));
}
public void GenerateCode(DoWhileNode node, ICIL_CodeGenerator codeGenerator)
{
//Loop:
// GenCode <Body>
// GenCode <ExprCond>
// if ExprCond = true Goto Loop
// holder = -1
var loop = codeGenerator.DefineLabel();
codeGenerator.AddInstruction(new Label(loop));
GenerateCode(node.Body, codeGenerator);
GenerateCode(node.Condition, codeGenerator);
codeGenerator.AddInstruction(
new ConditionalJump((Variable)node.Body.Holder, true, loop));
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, -1));
}
public void GenerateCode(AssignNode node, ICIL_CodeGenerator codeGenerator)
{
//GenerateCode(node.ObjId, codeGenerator);
GenerateCode(node.Expression, codeGenerator);
if (node.ObjId.Symbol.IsAttribute)
{
// Y.b = X (Set_Attr)
var instance = node.ObjId.OwnerType.Self.Holder;
codeGenerator.AddInstruction(
new SetAttr((Variable)instance,
$"{node.ObjId.OwnerType.Name}_{node.ObjId.Text}",
node.Expression.Holder));
}
else
{
// Y = X (assign)
codeGenerator.AddInstruction(
new Assign((Variable)node.ObjId.Symbol.Holder, node.Expression.Holder));
}
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, node.Expression.Holder));
}
public void GenerateCode(InvokeNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
#region GenerateCode SelfNode
var self = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(self));
var instance = node.OwnerType.Self.Holder;
codeGenerator.AddInstruction(
new Assign(self, instance));
#endregion
if (node.Parameters != null)
{
GenerateCode(node.Parameters, codeGenerator);
}
codeGenerator.AddInstruction(
new Param(self));
codeGenerator.AddInstruction(
new Call((Variable)node.Holder, $"{node.Method.ParentScope}_{node.FuncName}"));
}
public void GenerateCode(SelfNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
// add Local Variable
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, node.Symbol.Holder));
}
public void GenerateCode(MethodNode node, ICIL_CodeGenerator codeGenerator)
{
if (node.ArgumentsList != null)
{
GenerateCode(node.ArgumentsList, codeGenerator);
}
GenerateCode(node.Body, codeGenerator);
codeGenerator.AddInstruction(
new CIL_Return((Variable)node.Body.Holder));
}
public void GenerateCode(NegNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
GenerateCode(node.Expression, codeGenerator);
codeGenerator.AddInstruction(
new CilNeg((Variable)node.Holder, node.Expression.Holder));
}
public void GenerateCode(LogicOperationNode node, ICIL_CodeGenerator codeGenerator)
{
switch (node)
{
case AndNode andNode:
GenerateCode(andNode, codeGenerator);
break;
case OrNode orNode:
GenerateCode(orNode, codeGenerator);
break;
}
}
public void GenerateCode(ParametersListNode node, ICIL_CodeGenerator codeGenerator)
{
foreach (var expression in node.Expressions)
{
GenerateCode(expression, codeGenerator);
}
foreach (var expression in node.Expressions.Reverse())
{
codeGenerator.AddInstruction(
new Param((Variable)expression.Holder));
}
}
public void GenerateCode(IsVoidNode node, ICIL_CodeGenerator codeGenerator)
{
//eval (expr)
//rholder= true
//if expr is -1 goto END
//rholder=false
//END
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new Allocate((Variable)node.Holder, $"{BuiltIn.Bool}"));
GenerateCode(node.Expression, codeGenerator);
var boolean = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(new CIL_LocalVariable(boolean));
codeGenerator.AddInstruction(new Assign(boolean, true));
codeGenerator.AddInstruction(
new SetAttr((Variable)node.Holder, $"{Attribute.Bool_value}", boolean));
var typeExpr = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(new CIL_LocalVariable(typeExpr));
codeGenerator.AddInstruction(
new TypeOf(typeExpr, (Variable)node.Expression.Holder));
var condition = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(new CIL_LocalVariable(condition));
codeGenerator.AddInstruction(
new CilEqualValue(condition, typeExpr, -1));
var end = codeGenerator.DefineLabel();
codeGenerator.AddInstruction(
new ConditionalJump(condition, true, end));
codeGenerator.AddInstruction(
new Assign(boolean, false));
codeGenerator.AddInstruction(
new SetAttr((Variable)node.Holder, $"{Attribute.Bool_value}", boolean));
codeGenerator.AddInstruction(
new Label(end));
}
public void GenerateCode(ComparisonOperationNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
GenerateCode(node.OpNode1, codeGenerator);
GenerateCode(node.OpNode2, codeGenerator);
switch (node)
{
// value comparison
case MajorEqualNode majorEqual:
codeGenerator.AddInstruction(
new CilMajorEqual((Variable)majorEqual.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
break;
case MajorNode major:
codeGenerator.AddInstruction(
new CilMajor((Variable)major.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
break;
case MinorEqualNode minorEqual:
codeGenerator.AddInstruction(
new CilMinorEqual((Variable)minorEqual.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
break;
case MinorNode minor:
codeGenerator.AddInstruction(
new CilMinor((Variable)minor.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
break;
// both
case EqualNode equal:
if (equal.IsValueComparison)
{
codeGenerator.AddInstruction(
new CilEqualValue((Variable)equal.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
}
else
{
codeGenerator.AddInstruction(
new CilEqualReference((Variable)equal.Holder, node.OpNode1.Holder, node.OpNode2.Holder));
}
break;
}
}
public void GenerateCode(ArgumentsListNode node, ICIL_CodeGenerator codeGenerator)
{
foreach (var argument in node.Arguments)
{
argument.Symbol.Holder = codeGenerator.DefineVariable();
// add Local Variable
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)argument.Symbol.Holder));
codeGenerator.AddArgument(
new CIL_Argument((Variable)argument.Symbol.Holder));
}
}
public void GenerateCode(BlockNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
foreach (var expression in node.Expression)
{
GenerateCode(expression, codeGenerator);
}
var last = node.Expression.Last();
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, last.Holder));
}
public void GenerateCode(IfNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
GenerateCode(node.Condition, codeGenerator);
var trueBranch = codeGenerator.DefineLabel();
codeGenerator.AddInstruction(
new ConditionalJump((Variable)node.Condition.Holder,
true, trueBranch));
var end = codeGenerator.DefineLabel();
if (node.ElseExpression != null)
{
GenerateCode(node.ElseExpression, codeGenerator);
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, node.ElseExpression.Holder));
codeGenerator.AddInstruction(
new Goto(end));
}
codeGenerator.AddInstruction(
new Label(trueBranch));
GenerateCode(node.ThenExpression, codeGenerator);
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, node.ThenExpression.Holder));
codeGenerator.AddInstruction(
new Label(end));
}
public void GenerateCode(NotNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, false));
GenerateCode(node.Expression, codeGenerator);
var end = codeGenerator.DefineLabel();
codeGenerator.AddInstruction(
new ConditionalJump((Variable)node.Expression.Holder, true, end));
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, true));
codeGenerator.AddInstruction(
new Label(end));
}
public void GenerateCode(ProgramNode node, ICIL_CodeGenerator codeGenerator = null)
{
foreach (var cls in new[] { BuiltIn.Object, BuiltIn.IO, BuiltIn.String, BuiltIn.Bool, BuiltIn.Int })
{
TypeTable.IsDefinedType($"{cls}", out var type);
#region .TYPES
CIL_Type cilType;
IEnumerable <CIL_FunctionDeclaration> funtions;
IEnumerable <CIL_Attribute> attributes;
//var instance = type.Self.Holder ??
// (type.Self.Holder = codeGenerator.DefineVariable());
//codeGenerator.AddLocalVariable(
// new CIL_LocalVariable((Variable)type.Self.Holder));
switch (cls)
{
case BuiltIn.Object:
funtions = ((CoolType)type).GetMethods
.Select(function => new CIL_FunctionDeclaration($"{function.ParentScope}_{function.Name}"));
cilType = CIL_Factory.DefineType($"{cls}", funtion: funtions);
break;
case BuiltIn.IO:
funtions = ((CoolType)type).GetMethods
.Select(function => new CIL_FunctionDeclaration($"{function.ParentScope}_{function.Name}"));
cilType = CIL_Factory.DefineType($"{cls}", $"{BuiltIn.Object}", funtion: funtions);
break;
case BuiltIn.String:
attributes = new[] { new CIL_Attribute($"{Attribute.String_value}") };
funtions = ((CoolType)type).GetMethods
.Select(function => new CIL_FunctionDeclaration($"{function.ParentScope}_{function.Name}"));
cilType = CIL_Factory.DefineType($"{cls}", $"{BuiltIn.Object}", attributes, funtions);
break;
case BuiltIn.Int:
case BuiltIn.Bool:
attributes = new[] { new CIL_Attribute($"{cls}_value") };
cilType = CIL_Factory.DefineType($"{cls}", $"{BuiltIn.Object}", attributes);
break;
default:
throw new ArgumentOutOfRangeException();
}
CIL_Factory.AddType(cilType);
#endregion
}
#region BFS GenerateCode
var queue = new Queue <string>();
queue.Enqueue("Object");
queue.Enqueue("IO");
var classesList = new List <ClassNode>();
while (queue.Count != 0)
{
classesList.AddRange(node.ClassesList
.Where(classNode =>
{
var boolean = classNode.TypeParent == queue.Peek();
if (boolean)
{
queue.Enqueue(classNode.TypeClass);
}
return(boolean);
}));
queue.Dequeue();
}
#endregion
foreach (var cls in classesList)
{
TypeTable.IsDefinedType(cls.TypeClass, out var type);
#region .Types
var attributes = ((CoolType)type).GetAttributes
.Select(attr => new CIL_Attribute($"{cls.TypeClass}_{attr.Name}"));
var funtions = ((CoolType)type).GetMethods
.Select(funtion => new CIL_FunctionDeclaration($"{funtion.ParentScope}_{funtion.Name}"));
var cilType = CIL_Factory.DefineType(cls.TypeClass, cls.TypeParent, attributes, funtions);
CIL_Factory.AddType(cilType);
#endregion
}
foreach (var cls in classesList)
{
GenerateCode(cls);
}
#region .CODE
#region Object
CIL_Factory.AddFunction(CIL_FunctionBuilder.Object_copy);
CIL_Factory.AddFunction(CIL_FunctionBuilder.Object_type_name);
CIL_Factory.AddFunction(CIL_FunctionBuilder.Object_abort);
#endregion
#region IO
CIL_Factory.AddFunction(CIL_FunctionBuilder.IO_out_string);
CIL_Factory.AddFunction(CIL_FunctionBuilder.IO_out_int);
CIL_Factory.AddFunction(CIL_FunctionBuilder.IO_in_string);
CIL_Factory.AddFunction(CIL_FunctionBuilder.IO_in_int);
#endregion
#region String
CIL_Factory.AddFunction(CIL_FunctionBuilder.String_concat);
CIL_Factory.AddFunction(CIL_FunctionBuilder.String_length);
CIL_Factory.AddFunction(CIL_FunctionBuilder.String_substring);
#endregion
#region Exceptions
CIL_Factory.AddFunction(CIL_FunctionBuilder.ExecutionOfACaseStatementWithoutAMatchingBranchException);
CIL_Factory.AddFunction(CIL_FunctionBuilder.CaseOnVoidException);
CIL_Factory.AddFunction(CIL_FunctionBuilder.ArgumentOutOfRangeException);
CIL_Factory.AddFunction(CIL_FunctionBuilder.DispatchOnVoidException);
CIL_Factory.AddFunction(CIL_FunctionBuilder.DivideByZeroException);
CIL_Factory.AddFunction(CIL_FunctionBuilder.NegativeLengthException);
CIL_Factory.AddFunction(CIL_FunctionBuilder.SubstringOutOfRangeException);
#endregion
#endregion
}
public void GenerateCode(CaseNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
//genCode (expr0)
GenerateCode(node.Expression, codeGenerator);
var type = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(type));
//type = TypeOF expr0.Holder
codeGenerator.AddInstruction(
new TypeOf(type, (Variable)node.Expression.Holder));
var boolean = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(boolean));
// boolean = type == -1 (is null)
codeGenerator.AddInstruction(
new CilEqualValue(boolean, type, -1));
// If boolean is true throw exception
codeGenerator.AddInstruction(
new ConditionalJump(boolean, true, $"{CoolExceptionType.DispatchOnVoidException}"));
#region 'Code BranchSelector'
var loop = codeGenerator.DefineLabel();
// Loop:
codeGenerator.AddInstruction(
new Label(loop));
var end = codeGenerator.DefineLabel();
foreach (var caseOption in node.CaseOptionNodes)
{
// boolean = x == type_k
codeGenerator.AddInstruction(
new CilEqualValue(boolean, type, caseOption.TypeId));
//Define next_label
var nextBranch = codeGenerator.DefineLabel();
//if !boolean Goto label
codeGenerator.AddInstruction(
new ConditionalJump(boolean, false, nextBranch));
//Define Variable id_k
caseOption.Symbol.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)caseOption.Symbol.Holder));
// id_k <- expr0
codeGenerator.AddInstruction(
new Assign((Variable)caseOption.Symbol.Holder, node.Expression.Holder));
// genCode (expr_k)
GenerateCode(caseOption.Expression, codeGenerator);
// set value at return
codeGenerator.AddInstruction(
new Assign((Variable)node.Holder, caseOption.Expression.Holder));
// Goto END
codeGenerator.AddInstruction(
new Goto(end));
// Next branch :
codeGenerator.AddInstruction(
new Label(nextBranch));
}
// Set Parent
// type = Inherance_Tree[type] รณ
// type = GetIndex Inherance_Tree type
codeGenerator.AddInstruction(
new GetIndex(type, Constant.InheritanceTree, type));
// boolean = type == -1
codeGenerator.AddInstruction(
new CilEqualValue(boolean, type, -1));
// if boolean is true throw exception
codeGenerator.AddInstruction(
new ConditionalJump(boolean, true, $"{CoolExceptionType.ExecutionOfACaseStatementWithoutAMatchingBranchException}"));
//Goto loop
codeGenerator.AddInstruction(
new Goto(loop));
// Label END
codeGenerator.AddInstruction(
new Label(end));
#endregion
}
public void GenerateCode(ClassNode node, ICIL_CodeGenerator codeGenerator = null)
{
TypeTable.IsDefinedType(node.TypeClass, out var type);
//Define init_function
var initFunction = CIL_Factory.DefineFunction($"{node.TypeClass}_Init");
// Define Variable ('instance')
var instance = type.Self.Holder ??
(type.Self.Holder = initFunction.CodeGenerator.DefineVariable());
if (node.TypeClass == "Main")
{
// Add Local Variable
initFunction.CodeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)instance));
// Allocate Main
initFunction.CodeGenerator.AddInstruction(
new Allocate((Variable)instance, node.TypeClass));
}
else
{
// Define argument
//var argument = initFunction.CodeGenerator.DefineVariable();
//add Local Variable
initFunction.CodeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)instance));
initFunction.CodeGenerator.AddArgument(
new CIL_Argument((Variable)instance));
}
if (node.TypeParent != $"{BuiltIn.Object}" &&
node.TypeParent != $"{BuiltIn.IO}")
{
// Set Param to invoke the Parent Init_function
initFunction.CodeGenerator.AddInstruction(
new Param((Variable)instance));
//Define the variable to hold the result call of the Parent's init_fuction of TypeClass
var rVcall = initFunction.CodeGenerator.DefineVariable();
// add Local Variable
initFunction.CodeGenerator.AddLocalVariable(
new CIL_LocalVariable(rVcall));
//Call the Parent's init_function
initFunction.CodeGenerator.AddInstruction(
new Call(rVcall, $"{node.TypeParent}_Init"));
}
foreach (var feature in node.FeatureList.Features)
{
switch (feature)
{
case LocalOrFieldInit localOrFieldInit:
GenerateCode(localOrFieldInit, initFunction.CodeGenerator);
initFunction.CodeGenerator.AddInstruction(
new SetAttr((Variable)instance, $"{node.TypeClass}_{localOrFieldInit.Name}",
localOrFieldInit.Symbol.Holder));
break;
case MethodNode methodNode:
var function = CIL_Factory.DefineFunction($"{node.TypeClass}_{methodNode.FuncName}");
function.CodeGenerator
.AddLocalVariable(new CIL_LocalVariable((Variable)instance));
function.CodeGenerator.AddArgument(
new CIL_Argument((Variable)instance));
GenerateCode(methodNode, function.CodeGenerator);
CIL_Factory.AddFunction(function);
break;
}
}
if (node.TypeClass == "Main")
{
var result = initFunction.CodeGenerator.DefineVariable();
// add Local Variable
initFunction.CodeGenerator.AddLocalVariable(
new CIL_LocalVariable(result));
// set Param to invoke the main function
initFunction.CodeGenerator.AddInstruction(
new Param((Variable)instance));
//Control is transferred to Main_main
initFunction.CodeGenerator.AddInstruction(
new Call(result, $"{node.TypeClass}_main"));
}
//Add the return instruction's
initFunction.CodeGenerator.AddInstruction(
new CIL_Return());
//Add InitFunction with the initialized code
CIL_Factory.AddFunction(initFunction);
}
public void GenerateCode(LocalOrFieldInit node, ICIL_CodeGenerator codeGenerator)
{
node.Symbol.Holder = codeGenerator.DefineVariable();
// add Local Variable
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Symbol.Holder));
if (node.Initialization == null)
{
switch (node.TypeObj)
{
#region Int, Bool
case "Int":
case "Bool":
codeGenerator.AddInstruction(
new Allocate((Variable)node.Symbol.Holder, node.TypeObj));
var byDefault = codeGenerator.DefineVariable();
// add Local Variable
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(byDefault));
codeGenerator.AddInstruction(
new Assign(byDefault, 0));
codeGenerator.AddInstruction(
new SetAttr((Variable)node.Symbol.Holder,
$"{node.TypeObj}_value",
byDefault));
break;
#endregion
#region String
case "String":
var empty = CIL_Factory.Data.Single(data =>
data.Name == "empty");
var str = codeGenerator.DefineVariable();
// add Local Variable
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(str));
codeGenerator.AddInstruction(
new Load(str, empty));
codeGenerator.AddInstruction(
new Allocate((Variable)node.Symbol.Holder, node.TypeObj));
codeGenerator.AddInstruction(
new SetAttr((Variable)node.Symbol.Holder,
$"{node.TypeObj}_addrStr",
str));
break;
#endregion
#region Others
default:
codeGenerator.AddInstruction(
new Assign((Variable)node.Symbol.Holder, -1));
break;
#endregion
}
}
else
{
GenerateCode(node.Initialization, codeGenerator);
codeGenerator.AddInstruction(
new Assign((Variable)node.Symbol.Holder, node.Initialization.Holder));
}
}
public void GenerateCode(DotInvokeNode node, ICIL_CodeGenerator codeGenerator)
{
node.Holder = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable((Variable)node.Holder));
GenerateCode(node.Expression, codeGenerator);
var typeObj = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(typeObj));
codeGenerator.AddInstruction(
new TypeOf(typeObj, (Variable)node.Expression.Holder));
#region throwException
var boolean = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(
new CIL_LocalVariable(boolean));
codeGenerator.AddInstruction(
new CilEqualValue(boolean, typeObj, -1));
codeGenerator.AddInstruction(
new ConditionalJump(boolean, true, $"{CoolExceptionType.DispatchOnVoidException}"));
#endregion
if (node.InvokeNode.Parameters != null)
{
GenerateCode(node.InvokeNode.Parameters, codeGenerator);
}
codeGenerator.AddInstruction(
new Param((Variable)node.Expression.Holder));
switch (node)
{
case DotObjectInvoke _:
var end = codeGenerator.DefineLabel();
foreach (var type in CIL_Factory.Types)
{
var label = codeGenerator.DefineLabel();
var cond = codeGenerator.DefineVariable();
codeGenerator.AddLocalVariable(new CIL_LocalVariable(cond));
codeGenerator.AddInstruction(new CilEqualValue(cond, typeObj, type.Id));
codeGenerator.AddInstruction(new ConditionalJump(cond, false, label));
try
{
var functionName = type.GetFunctionOffSet(node.InvokeNode.FuncName);
codeGenerator.AddInstruction(
new Call((Variable)node.Holder, functionName));
codeGenerator.AddInstruction(new Goto(end));
}
catch
{
// ignored
}
codeGenerator.AddInstruction(new Label(label));
}
codeGenerator.AddInstruction(new Label(end));
break;
case DotTypeInvoke typeDotInvoke:
codeGenerator.AddInstruction(
new VCall((Variable)node.Holder, typeDotInvoke.AtSign, $"{typeDotInvoke.AtSign}_{node.InvokeNode.FuncName}"));
break;
}
}
public void GenerateCode(ExpressionNode node, ICIL_CodeGenerator codeGenerator)
{
switch (node)
{
case ArithmeticOperationNode arithmeticOperationNode:
GenerateCode(arithmeticOperationNode, codeGenerator);
break;
case ComparisonOperationNode comparisonOperationNode:
GenerateCode(comparisonOperationNode, codeGenerator);
break;
case LogicOperationNode logicOperationNode:
GenerateCode(logicOperationNode, codeGenerator);
break;
case BoolNode boolNode:
GenerateCode(boolNode, codeGenerator);
break;
case IntegerNode integerNode:
GenerateCode(integerNode, codeGenerator);
break;
case StringNode stringNode:
GenerateCode(stringNode, codeGenerator);
break;
case ObjIdNode objIdNode:
GenerateCode(objIdNode, codeGenerator);
break;
case SelfNode selfNode:
GenerateCode(selfNode, codeGenerator);
break;
case AssignNode assignNode:
GenerateCode(assignNode, codeGenerator);
break;
case BlockNode blockNode:
GenerateCode(blockNode, codeGenerator);
break;
case CaseNode caseNode:
GenerateCode(caseNode, codeGenerator);
break;
case DoWhileNode doWhileNode:
GenerateCode(doWhileNode, codeGenerator);
break;
case IfNode ifNode:
GenerateCode(ifNode, codeGenerator);
break;
case WhileNode whileNode:
GenerateCode(whileNode, codeGenerator);
break;
case LetNode letNode:
GenerateCode(letNode, codeGenerator);
break;
case InvokeNode invokeNode:
GenerateCode(invokeNode, codeGenerator);
break;
case DotInvokeNode dotInvokeNode:
GenerateCode(dotInvokeNode, codeGenerator);
break;
case IsVoidNode isVoidNode:
GenerateCode(isVoidNode, codeGenerator);
break;
case NewTypeNode newTypeNode:
GenerateCode(newTypeNode, codeGenerator);
break;
case NegNode negNode:
GenerateCode(negNode, codeGenerator);
break;
case NotNode notNode:
GenerateCode(notNode, codeGenerator);
break;
}
}