public MipsProgram VisitStringConstant(ASTCILStringConstantNode StringConstant)
{
var result = new MipsProgram();
var stringValue = Regex.Unescape(StringConstant.Value);
if (!StringConstantGenerated.TryGetValue(StringConstant.Value, out var labelStringConstant))
{
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(StringConstant.ObjectLabel,
new[]
{
MipsGenerationHelper.AddIntData(
labelGenerator.GenerateLabelTypeInfo(CompilationUnit.TypeEnvironment.String.Name)),
MipsGenerationHelper.AddIntData(StringConstant.ValueLabel),
MipsGenerationHelper.AddIntData(stringValue.Length)
})
.Comment(StringConstant.Value)
.AddData(StringConstant.ValueLabel, new[]
{
MipsGenerationHelper.AddByteData(Regex.Unescape(StringConstant.Value).Select(x => (int)x))
}));
StringConstantGenerated.Add(StringConstant.Value, StringConstant.ObjectLabel);
labelStringConstant = StringConstant.ObjectLabel;
}
result.SectionCode.Append(MipsGenerationHelper.NewScript()
.LoadFromAddress(MipsRegisterSet.a0, labelStringConstant)
.Add(MipsRegisterSet.a0, 4));
return(result);
}
public MipsProgram VisitType(ASTCILTypeNode Type)
{
var result = new MipsProgram();
foreach (var method in Type.Methods)
{
result += method.Accept(this);
}
var typeName = Type.Type.Name;
var typeNameParent = Type.Type.Parent?.Name;
var label_type_name = labelGenerator.GenerateLabelTypeName(typeName);
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(label_type_name.value, new[]
{
MipsGenerationHelper.AddStringData(typeName)
}));
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(label_type_name.@object, new[]
{
MipsGenerationHelper.AddIntData(label_type_name.value),
MipsGenerationHelper.AddIntData(typeName.Length)
}));
var label_virtual_table = labelGenerator.GenerateLabelVirtualTable(typeName);
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(label_virtual_table,
Type.VirtualTable.Select(x =>
MipsGenerationHelper.AddIntData(labelGenerator.GenerateFunc(x.Type.Name, x.Name)))));
var typeInfo_label = labelGenerator.GenerateLabelTypeInfo(typeName);
var typeInfo_label_parent = typeNameParent != null?labelGenerator.GenerateLabelTypeInfo(typeNameParent) : labelGenerator.GenerateVoid();
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(typeInfo_label, new[]
{
MipsGenerationHelper.AddIntData(label_type_name.@object),
MipsGenerationHelper.AddIntData(Type.Type.AllocateSize),
MipsGenerationHelper.AddIntData(label_virtual_table),
MipsGenerationHelper.AddIntData(typeInfo_label_parent)
}));
result.SectionDataGlobals.Append(MipsGenerationHelper.NewScript().GlobalSection(label_type_name.value)
.GlobalSection(label_type_name.@object)
.GlobalSection(label_virtual_table).GlobalSection(typeInfo_label));
return(result);
}
public MipsProgram VisitProgram(ASTCILProgramNode Program)
{
var bufferlabel = MipsGenerationHelper.BufferLabel;
var result = new MipsProgram();
result.SectionDataGlobals.Append(MipsGenerationHelper.NewScript().GlobalSection(bufferlabel));
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(bufferlabel, new[] { MipsGenerationHelper.AddDynamycString(MipsGenerationHelper.BufferSize) }));
List <string> all = new List <string>();
foreach (var item in RuntimeErrors.GetRuntimeErrorString)
{
var exception = labelGenerator.GetException(item.Key);
all.Add(exception);
result.SectionDataGlobals.Append(MipsGenerationHelper.NewScript()
.GlobalSection(exception));
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(exception, new[] { MipsGenerationHelper.AddStringData(item.Value) }));
}
var exceptions = MipsGenerationHelper.Exceptions;
result.SectionDataGlobals.Append(MipsGenerationHelper.NewScript()
.GlobalSection(exceptions));
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(exceptions, all.Select(x => MipsGenerationHelper.AddIntData(x))));
CompilationUnit.TypeEnvironment.GetTypeDefinition("Main", null, out var main);
var entryPoint = new ASTCILAllocateNode(main).Accept(this).SectionCode
.Append(MipsGenerationHelper.NewScript().Push(MipsRegisterSet.a0))
.Append(new ASTCILFuncVirtualCallNode(main, Functions.Init, new ASTCILExpressionNode[] { }).Accept(this).SectionCode)
.Append(new ASTCILFuncVirtualCallNode(main, "main", new ASTCILExpressionNode[] { }).Accept(this).SectionCode)
.Append(MipsGenerationHelper.NewScript().Add(MipsRegisterSet.sp, 12))
.Append(MipsGenerationHelper.NewScript().Exit());
result.SectionCode.Append(MipsGenerationHelper.NewScript().MainTag()).Append(entryPoint);
var voidLabel = labelGenerator.GenerateVoid();
result.SectionDataGlobals.Append(MipsGenerationHelper.NewScript()
.GlobalSection(voidLabel).GlobalSection(labelGenerator.GetNewLine()));
result.SectionData.Append(MipsGenerationHelper.NewScript()
.AddData(voidLabel, new[] { MipsGenerationHelper.AddStringData(String.Empty) }).AddData(
labelGenerator.GetNewLine(), new[]
{
MipsGenerationHelper.AddStringData(Environment.NewLine)
}));
result.SectionTextGlobals.Append(MipsGenerationHelper.NewScript().GlobalSection(MipsGenerationHelper.StringEqualsLabel));
result.SectionCode.Append(MipsGenerationHelper.NewScript().StringEquals());
foreach (var item in Program.Types)
{
result += item.Accept(this);
}
return(result);
}