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/**
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*
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* OOAS Compiler (Deprecated)
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*
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* Copyright 2015, Institute for Software Technology, Graz University of
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* Technology. Portions are copyright 2015 by the AIT Austrian Institute
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* of Technology. All rights reserved.
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*
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* SEE THE "LICENSE" FILE FOR THE TERMS UNDER WHICH THIS FILE IS PROVIDED.
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*
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* Please notice that this version of the OOAS compiler is considered de-
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* precated. Only the Java version is maintained.
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*
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* Contributors:
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* Willibald Krenn (TU Graz/AIT)
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* Stefan Tiran (TU Graz/AIT)
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*/
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/*
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* Limited C# code generation capabilities. Used for ooaObjectInstantiateVisitor to
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* detect how many objects the system creates.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using TUG.Mogentes.Codegen;
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namespace TUG.Mogentes.Codegen.CSharp
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{
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public sealed class CSharpIdentifier
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{
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public static string GetIdentifierString(string anIdentifier)
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{
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return String.Format("_{0}", anIdentifier);
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}
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}
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public sealed class CSharpType : OoaTypeVisitor
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{
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private OoaCodeEmitter m_emitter = new OoaCodeEmitter();
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private string GetIdentifierString(string anIdentifier)
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{
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return CSharpIdentifier.GetIdentifierString(anIdentifier);
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}
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public override void visit(CharType charType)
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{
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m_emitter.Append("int"); // ToDo: map to char?
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}
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public override void visit(IntType intType)
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{
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m_emitter.Append("int");
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}
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public override void visit(BoolType boolType)
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{
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m_emitter.Append("bool");
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}
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public override void visit(FloatType floatType)
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{
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m_emitter.Append("double");
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}
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public override void visit(EnumType enumType)
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{
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m_emitter.Append(GetIdentifierString(enumType.identifier.tokenText));
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}
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public override void visit(ListType listType)
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{
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m_emitter.Append("TUG.Mogentes.Codegen.CSharp.UlyssesList<object>");
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//listType.innerType.Accept(this);
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//m_emitter.Append(">");
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}
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public override void visit(MapType mapType)
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{
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//System.Collections.Generic.Dictionary
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m_emitter.Append("UlyssesDictionary<object,object>");
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//mapType.fromType.Accept(this);
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//m_emitter.Append(",");
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//mapType.toType.Accept(this);
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//m_emitter.Append(">");
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}
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public override void visit(QrType qrType)
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{
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m_emitter.Append("UlyssesQualitativeValue");
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}
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public override void visit(TupleType tupleType)
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{
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// we map a tuple to a struct
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m_emitter.Append(GetIdentifierString(tupleType.identifier.tokenText));
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}
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public override void visit(FunctionType functionType)
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{
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throw new NotImplementedException();
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}
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public override void visit(OoActionSystemType ooActionSystemType)
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{
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m_emitter.Append(GetIdentifierString(ooActionSystemType.identifier.tokenText));
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}
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public override void visit(OpaqueType opaqueType)
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{
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throw new NotImplementedException();
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}
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public override string ToString()
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{
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return m_emitter.ToString();
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}
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}
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public sealed class CSharpExpression : OoaExpressionVisitor
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{
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private OoaCodeEmitter m_emitter = new OoaCodeEmitter();
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private StringBuilder m_helpers;
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private static List<ObjectConstructor> m_constructors = new List<ObjectConstructor>();
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private string GetCSharpType(UlyssesType aType)
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{
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CSharpType sharptype = new CSharpType();
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aType.Accept(sharptype);
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return sharptype.ToString();
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}
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private string GetIdentifierString(string anIdentifier)
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{
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return CSharpIdentifier.GetIdentifierString(anIdentifier);
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}
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public static List<ObjectConstructor> constructors { get { return m_constructors; } }
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// following calls must not happen
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public override void visit(UnresolvedIdentifierExpression unresolvedIdentifierExpression)
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{
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System.Diagnostics.Debug.Assert(false);
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}
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public override void visit(CallExpression callExpression)
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{
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System.Diagnostics.Debug.Assert(false);
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}
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// we need to map all other things to C# constructs
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private string OperatorString(Expression expression)
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{
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switch (expression.kind)
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{
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case ExpressionKind.abs: // T_ABS:
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case ExpressionKind.card: // T_CARD:
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case ExpressionKind.dom: // T_DOM:
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case ExpressionKind.range: // T_RNG:
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case ExpressionKind.merge: // T_MERGE:
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case ExpressionKind.len: // T_LEN:
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case ExpressionKind.elems: // T_ELEMS:
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case ExpressionKind.head: // T_HEAD:
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case ExpressionKind.tail: // T_TAIL:
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case ExpressionKind.conc: // T_CONC:
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case ExpressionKind.inds: // T_INDS:
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case ExpressionKind.dinter: // T_DINTER:
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case ExpressionKind.dunion: // T_DUNION:
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case ExpressionKind.domresby: // T_DOMRESBY:
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case ExpressionKind.domresto: // T_DOMRESTO:
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case ExpressionKind.rngresby: // T_RNGRESBY:
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case ExpressionKind.rngresto: // T_RNGRESTO:
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case ExpressionKind.inter: // T_INTER:
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case ExpressionKind.union: // T_UNION:
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case ExpressionKind.diff: // T_DIFF:
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case ExpressionKind.munion: // T_MUNION:
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case ExpressionKind.seqmod_mapoverride: // T_SEQMOD_MAPOVERRIDE:
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case ExpressionKind.subset:
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case ExpressionKind.elemin:
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case ExpressionKind.notelemin:
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case ExpressionKind.implies: // T_IMPLIES:
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case ExpressionKind.biimplies: // T_BIIMPLIES:
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case ExpressionKind.Primed:
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throw new NotImplementedException();
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case ExpressionKind.div: // T_DIV:
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return "/";
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case ExpressionKind.idiv: // T_IDIV:
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return "/";
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case ExpressionKind.mod: // T_MOD:
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return "%";
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case ExpressionKind.prod: // T_PROD:
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return "*";
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case ExpressionKind.sum: // T_SUM:
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return "+";
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case ExpressionKind.minus: // T_MINUS:
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return "-";
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case ExpressionKind.less:
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return "<";
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case ExpressionKind.lessequal:
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return "<=";
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case ExpressionKind.greater:
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return ">";
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case ExpressionKind.greaterequal:
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return ">=";
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case ExpressionKind.equal:
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return "==";
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case ExpressionKind.notequal:
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return "!=";
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case ExpressionKind.and: // T_AND:
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return "&&";
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case ExpressionKind.or: // T_OR:
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return "||";
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case ExpressionKind.not:
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return "!";
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case ExpressionKind.Cast:
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CSharpType ctype = new CSharpType();
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expression.type.Accept(ctype);
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return String.Format("({0})", ctype.ToString()); ;
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default:
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return Enum.GetName(typeof(ExpressionKind), expression.kind);
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}
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}
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public override void visit<T>(ValueExpression<T> valueExpression)
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{
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if (valueExpression.value == null)
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m_emitter.Append("null");
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else if (valueExpression is ValueExpression<bool>)
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m_emitter.Append(valueExpression.value.ToString().ToLower());
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else
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m_emitter.Append(valueExpression.value.ToString());
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}
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public override void visit(IdentifierExpression identifierExpression)
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{
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if (identifierExpression.identifier.kind == IdentifierKind.LandmarkIdentifier)
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{
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LandmarkIdentifier lmid = (LandmarkIdentifier)identifierExpression.identifier;
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QrType qr = (QrType)lmid.type;
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m_emitter.Append(qr.landmarks.IndexOf(lmid));
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return;
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}
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if (identifierExpression.identifier.kind == IdentifierKind.EnumIdentifier)
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{
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m_emitter.Append(GetIdentifierString(((EnumIdentifier)identifierExpression.identifier).type.identifier.tokenText));
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m_emitter.Append(".");
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}
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m_emitter.Append(GetIdentifierString(identifierExpression.identifier.tokenText));
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}
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public override void visit(TypeExpression typeExpression)
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{
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if (typeExpression.type.kind != TypeKind.QrType &&
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typeExpression.type.kind != TypeKind.EnumeratedType)
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m_emitter.Append(GetIdentifierString(typeExpression.type.identifier.tokenText));
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}
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public override void visit(ObjectConstructor objectConstructor)
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{
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int num = m_constructors.Count;
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m_constructors.Add(objectConstructor);
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if (objectConstructor.givenObjectName != null)
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m_emitter.Append(String.Format("new {0}(this,{1},{2})", GetIdentifierString(objectConstructor.type.identifier.tokenText), num, objectConstructor.givenObjectName));
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else
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m_emitter.Append(String.Format("new {0}(this,{1})", GetIdentifierString(objectConstructor.type.identifier.tokenText), num));
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}
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public override void visit(ListConstructor listConstructor)
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{
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if (listConstructor.hasComprehension)
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{
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// we need a helper for this.
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string helpername = String.Format("list_constr_helper_{0}", ((uint)listConstructor.GetHashCode()).ToString());
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m_emitter.Append(String.Format("{0}(new TUG.Mogentes.Codegen.CSharp.UlyssesList<object>())",
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helpername));
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OoaCodeEmitter helperEmitter = new OoaCodeEmitter();
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helperEmitter.AppendLine(String.Format(
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"public TUG.Mogentes.Codegen.CSharp.UlyssesList<object> {0} (TUG.Mogentes.Codegen.CSharp.UlyssesList<object> newList){{",
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helpername));
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foreach (var sym in listConstructor.comprehensionVariables.symbolList)
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{
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CSharpType atype = new CSharpType();
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sym.type.Accept(atype);
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if (sym.type.IsNumeric())
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helperEmitter.AppendLine(String.Format("for ({0} {1} = {2}; {1} <= {3}; {1}++) {{",
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atype.ToString(), CSharpIdentifier.GetIdentifierString(sym.tokenText), UlyssesType.Low(sym.type), UlyssesType.High(sym.type)));
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else
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throw new NotImplementedException();
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}
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StringBuilder helperhelper = new StringBuilder();
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string guardexpr = "true";
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if (listConstructor.comprehension != null)
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{
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CSharpExpression expr = new CSharpExpression(helperhelper);
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listConstructor.comprehension.Accept(expr);
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guardexpr = expr.ToString();
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}
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CSharpExpression expr2 = new CSharpExpression(helperhelper);
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listConstructor.elements[0].Accept(expr2);
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helperEmitter.AppendLine(String.Format("if ({0}) {{", guardexpr));
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helperEmitter.AppendLine(String.Format("newList.Add({0});", expr2.ToString()));
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helperEmitter.AppendLine("}");
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foreach (var sym in listConstructor.comprehensionVariables.symbolList)
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{
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helperEmitter.AppendLine("}");
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}
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helperEmitter.AppendLineIncIndent("return newList;");
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helperEmitter.AppendLine("}");
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m_helpers.Append(helperEmitter.ToString());
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m_helpers.Append(helperhelper.ToString());
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}
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else
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{
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m_emitter.Append("new TUG.Mogentes.Codegen.CSharp.UlyssesList<object>(");
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int i = 0;
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if (listConstructor.elements.Count > 0)
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{
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m_emitter.Append("new object[] { ");
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foreach (var x in listConstructor.elements)
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{
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if (i != 0)
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m_emitter.Append(",");
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else
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i++;
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x.Accept(this);
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}
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m_emitter.Append(" }");
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}
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m_emitter.Append(")");
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}
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}
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public override void visit(SetConstructor setConstructor)
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{
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throw new NotImplementedException();
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}
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357
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public override void visit(MapConstructor mapConstructor)
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{
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throw new NotImplementedException();
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}
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362
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public override void visit(TupleConstructor tupleConstructor)
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{
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m_emitter.Append(String.Format("new {0}(", GetIdentifierString(tupleConstructor.tupleType.tokenText)));
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int i = 0;
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367
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foreach (var arg in tupleConstructor.values)
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{
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369
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if (i != 0)
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m_emitter.Append(",");
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else
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i++;
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arg.Accept(this);
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}
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m_emitter.Append(")");
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}
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377
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public override void visit(QValConstructor qValConstructor)
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379
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{
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380
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StringBuilder helpers = new StringBuilder();
|
|
381
|
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382
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string landmarkOne = "null";
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|
383
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if (qValConstructor.value.Length >= 1 && qValConstructor.value[0] != null)
|
|
384
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{
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|
385
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CSharpExpression lndmrk1 = new CSharpExpression(helpers);
|
|
386
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qValConstructor.value[0].Accept(lndmrk1);
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387
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landmarkOne = lndmrk1.ToString();
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|
388
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}
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389
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string landmarkTwo = "null";
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390
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if (qValConstructor.value.Length >= 2 && qValConstructor.value[1] != null)
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|
391
|
{
|
|
392
|
CSharpExpression lndmrk = new CSharpExpression(helpers);
|
|
393
|
qValConstructor.value[1].Accept(lndmrk);
|
|
394
|
landmarkTwo = lndmrk.ToString();
|
|
395
|
}
|
|
396
|
string derivation = "null";
|
|
397
|
if (qValConstructor.valueDeriv != QValDeriv.DonTCare)
|
|
398
|
{
|
|
399
|
derivation = Enum.Format(typeof(QValDeriv), qValConstructor.valueDeriv, "d");
|
|
400
|
}
|
|
401
|
|
|
402
|
m_helpers.Append(helpers.ToString());
|
|
403
|
m_emitter.Append(String.Format("new UlyssesQualitativeValue({0},{1},{2})", landmarkOne, landmarkTwo, derivation));
|
|
404
|
}
|
|
405
|
|
|
406
|
public override void visit(AccessExpression accessExpression)
|
|
407
|
{
|
|
408
|
if (accessExpression.left.type.kind != TypeKind.QrType &&
|
|
409
|
accessExpression.left.type.kind != TypeKind.EnumeratedType)
|
|
410
|
{
|
|
411
|
// enums and qr types are directly (statically) converted to nums...
|
|
412
|
VisitSub(accessExpression.left, accessExpression);
|
|
413
|
m_emitter.Append(".");
|
|
414
|
}
|
|
415
|
VisitSub(accessExpression.right, accessExpression);
|
|
416
|
}
|
|
417
|
|
|
418
|
public override void visit(BinaryOperator binaryOperator)
|
|
419
|
{
|
|
420
|
m_emitter.Append("(");
|
|
421
|
VisitSub(binaryOperator.left, binaryOperator);
|
|
422
|
m_emitter.Append(") ");
|
|
423
|
m_emitter.Append(OperatorString(binaryOperator));
|
|
424
|
m_emitter.Append(" (");
|
|
425
|
VisitSub(binaryOperator.right, binaryOperator);
|
|
426
|
m_emitter.Append(")");
|
|
427
|
}
|
|
428
|
|
|
429
|
public override void visit(TernaryOperator ternaryOperator)
|
|
430
|
{
|
|
431
|
m_emitter.Append("(");
|
|
432
|
VisitSub(ternaryOperator.left, ternaryOperator);
|
|
433
|
m_emitter.Append(" ? ");
|
|
434
|
|
|
435
|
VisitSub(ternaryOperator.mid, ternaryOperator);
|
|
436
|
m_emitter.Append(" : ");
|
|
437
|
|
|
438
|
VisitSub(ternaryOperator.right, ternaryOperator);
|
|
439
|
m_emitter.Append(")");
|
|
440
|
}
|
|
441
|
public override void visit(TupleMapAccessExpression tupleMapAccessExpression)
|
|
442
|
{
|
|
443
|
throw new NotImplementedException();
|
|
444
|
/*VisitSub(tupleMapAccessExpression.argument, tupleMapAccessExpression);
|
|
445
|
VisitSub(tupleMapAccessExpression.child, tupleMapAccessExpression);*/
|
|
446
|
}
|
|
447
|
public override void visit(ForallQuantifier quantifier)
|
|
448
|
{
|
|
449
|
throw new NotImplementedException();
|
|
450
|
|
|
451
|
/*foreach (var lvar in quantifier.symbols.symbolList)
|
|
452
|
VisitSub(lvar, quantifier);
|
|
453
|
|
|
454
|
VisitSub(quantifier.child, quantifier);*/
|
|
455
|
}
|
|
456
|
public override void visit(ExistsQuantifier quantifier)
|
|
457
|
{
|
|
458
|
throw new NotImplementedException();
|
|
459
|
/*foreach (var lvar in quantifier.symbols.symbolList)
|
|
460
|
VisitSub(lvar, quantifier);
|
|
461
|
|
|
462
|
VisitSub(quantifier.child, quantifier);*/
|
|
463
|
}
|
|
464
|
public override void visit(UnaryOperator unaryOperator)
|
|
465
|
{
|
|
466
|
m_emitter.Append(" ");
|
|
467
|
m_emitter.Append(OperatorString(unaryOperator));
|
|
468
|
m_emitter.Append("(");
|
|
469
|
VisitSub(unaryOperator.child, unaryOperator);
|
|
470
|
m_emitter.Append(")");
|
|
471
|
}
|
|
472
|
|
|
473
|
public override string ToString()
|
|
474
|
{
|
|
475
|
return m_emitter.ToString();
|
|
476
|
}
|
|
477
|
|
|
478
|
public CSharpExpression(StringBuilder helpers)
|
|
479
|
: base()
|
|
480
|
{
|
|
481
|
m_helpers = helpers;
|
|
482
|
}
|
|
483
|
}
|
|
484
|
|
|
485
|
}
|