public override bool Equals(SlangType other)
{
if (other is SlangPointerType)
{
return(true);
}
return(false);
}
/// <summary>
/// return custom type for pointer and custom types
/// </summary>
/// <param name="type">type</param>
/// <returns>custom type (if exists), else null</returns>
private SlangCustomType GetUserType(SlangType type)
{
SlangCustomType usedType = null;
if (type is SlangCustomType t)
{
usedType = t;
}
else if (type is SlangPointerType pt)
{
usedType = pt.PtrType;
}
return(usedType);
}
// helpers
/// <summary>
/// uses only for routines/fields declaration, another declares should use Visit() for types
/// </summary>
/// <param name="returnType"></param>
/// <returns></returns>
private string GetStringFromType(SlangType returnType)
{
var res = "";
var simpleTypes = new Dictionary <string, string>
{
{ CompilerConstants.IntegerType, "int64_t" },
{ CompilerConstants.RealType, "double" },
{ CompilerConstants.CharacterType, "char" },
{ CompilerConstants.BooleanType, "bool" },
{ CompilerConstants.StringType, "std::string" }
};
if (returnType is SlangSimpleType st)
{
res = simpleTypes[st.Name];
}
else if (returnType is SlangArrayType at)
{
res += GetVectorTypeStart(at.Dimension);
res += GetStringFromType(at.Type);
res += GetVectorTypeEnd(at.Dimension);
}
else if (returnType is SlangCustomType ct)
{
var item = source.FindClass(ct);
if (item.Header != null)
{
res = item.Header.Ident.Replace("\"", "");
}
else
{
res = ct.ModuleName == moduleName ? ct.Name : $"{ct.ModuleName}::{ct.Name}";
}
}
else if (returnType is SlangPointerType pt)
{
res = $"std::shared_ptr<{GetStringFromType(pt.PtrType)}>";
}
else if (returnType == null)
{
res = "void";
}
return(res);
}
public override bool Equals(SlangType other)
{
return(false);
}
public abstract bool Equals(SlangType other);
public override bool Equals(SlangType other) => other is SlangSimpleType s && s.Name == Name;
public ExpressionResult(SlangType type, ExpressionValueType exprType)
{
Type = type;
ExpressionType = exprType;
}
public SlangCreateTypeExpression(SlangType type)
{
this.Type = type;
}
/// <summary> /// Base type check, does not check LSP principle /// </summary> /// <param name="other">what type we check</param> /// <returns></returns> public override bool Equals(SlangType other) => (other is SlangCustomType t) && (t.Name == Name) && (t.ModuleName == ModuleName);
public override bool Equals(SlangType other) => other is SlangPointerType t && t.PtrType.Equals(PtrType);
public static void ThrowCannotInitializeAbstractClassException(SlangType type, FileInfo file, int line, int column) => ThrowException($"Cannot create variable or allocate memory for abstract class {type}", file, line, column);
public static void ThrowCannotAssignException(SlangType type, SlangType exprType, FileInfo file, int line, int column) => ThrowException($"Cannot assign value of type {exprType} to variable or constant with type {type}", file, line, column);
public static void ThrowInvalidUseOfTypeException(SlangType slangType, FileInfo file, int line, int column) => ThrowException($"Invalid use of type {slangType}", file, line, column);
public static void ThrowInvalidTypesForUnaryOperationException(ITerminalNode terminalNode, FileInfo file, SlangType type) => ThrowException($"Operation {terminalNode.GetText()} is not allowed for type {type}", file, terminalNode.Symbol);
public static void ThrowInvalidTypesForBinaryOperationException(IToken symbol, FileInfo file, SlangType leftType, SlangType rightType) => ThrowException($"Operation {symbol.Text} not allowed for types {leftType} and {rightType}", file, symbol);
private void ValidateContext(SLangGrammarParser.ThisHeaderContext thisHeader, ITerminalNode id, SLangGrammarParser.ImportHeadContext importHead, ITerminalNode accessModifier, ITerminalNode abstractToken, ITerminalNode overrideToken, SLangGrammarParser.RoutineArgListContext routineArgList, SLangGrammarParser.TypeNameContext typeName, SLangGrammarParser.StatementSeqContext statementSeq)
{
var isMethod = thisHeader != null;
var symbol = id.Symbol;
string nameOfThis = string.Empty;
if (isMethod)
{
nameOfThis = thisHeader.Id().GetText();
ThrowIfReservedWord(nameOfThis, ModuleData.File, thisHeader.Id().Symbol);
if (importHead != null)
{
ThrowImportHeaderMethodsException(ModuleData.File, id);
}
}
var name = id.GetText();
ThrowIfReservedWord(name, ModuleData.File, symbol);
var args = Visit(routineArgList) as List <RoutineArgNameTableItem>;
ImportHeader header = null;
if (importHead != null)
{
header = Visit(importHead) as ImportHeader;
}
SlangType returnType = typeName != null?Visit(typeName) as SlangType : null;
var modifier = GetModifierByName(accessModifier.GetText());
var isAbstract = abstractToken != null;
var isOverride = overrideToken != null;
if (!isMethod && (isAbstract || isOverride))
{
ThrowRoutinesAbstractOverrideException(ModuleData.File, abstractToken ?? overrideToken);
}
if (header != null && statementSeq.statement().Length != 0)
{
ThrowImportHeaderException(ModuleData.File, id);
}
if (isMethod)
{
if (Visit(thisHeader) is SlangCustomType methodTypeIdent && methodTypeIdent.ModuleName != ModuleData.Name)
{
ThrowModuleFromOtherClassModuleException(id, ModuleData.File);
}
if (isAbstract)
{
ThrowIfAbstractMethodPrivate(modifier, ModuleData.File, id);
}
if ((args ?? throw new InvalidOperationException(nameof(args))).Any(a => a.Name == nameOfThis))
{
ThrowConfictsThisException(thisHeader.Id(), ModuleData.File);
}
var classData = Visit(thisHeader) as SlangCustomType;
var foundClass = Table.FindClass(classData);
if (foundClass.Methods.ContainsKey(name))
{
ThrowMethodSignatureExistsException(classData, id, ModuleData.File);
}
if (isAbstract && statementSeq.statement().Length != 0)
{
ThrowAbstractEmptyException(id, ModuleData.File);
}
var method = new MethodNameTableItem
{
AccessModifier = modifier,
Column = symbol.Column,
Header = header,
IsAbstract = isAbstract,
IsOverride = isOverride,
Line = symbol.Line,
Name = name,
NameOfThis = nameOfThis,
Params = args,
ReturnType = returnType
};
if (modifier == AccessModifier.Public)
{
CheckLevelAccessForMethods(method, id, classData);
}
foundClass.CheckRoutineConflicts(moduleItem.ModuleData, method);
foundClass.Methods.Add(method.Name, method);
}
else
{
if (moduleItem.Routines.ContainsKey(name))
{
ThrowRoutineExistsException(id, ModuleData.File);
}
var routine = new RoutineNameTableItem
{
AccessModifier = modifier,
Column = symbol.Column,
Line = symbol.Line,
Header = header,
Name = name,
Params = args,
ReturnType = returnType
};
if (modifier == AccessModifier.Public)
{
CheckLevelAccessForRoutines(routine, id, name);
}
moduleItem.CheckCommonNamesConflicts(routine.Name, routine.Line, routine.Column);
moduleItem.Routines.Add(routine.Name, routine);
}
}