public virtual object VisitStopStatement(StopStatement stopStatement, object data)
 {
     throw new global::System.NotImplementedException("StopStatement");
 }
Beispiel #2
0
 public bool VisitNode(StopStatement node)
 {
     // stop;
     Write($"{STOP}");
     return(true);
 }
Beispiel #3
0
 public virtual void OnStopStatement(StopStatement stmt)
 {
     Enter(new Stop(stmt), stmt);
     Exit();
 }
 public virtual object Visit(StopStatement stopStatement, object data)
 {
     Debug.Assert(stopStatement != null);
     return(data);
 }
Beispiel #5
0
        public Statement DecompileStatement()
        {
            StartPositions.Push((UInt16)Position);
            var token = CurrentByte;

            switch (token)
            {
            // return [expression];
            case (byte)StandardByteCodes.Return:
                return(DecompileReturn());

            // switch (expression)
            case (byte)StandardByteCodes.Switch:
                return(DecompileSwitch());

            // case expression :
            case (byte)StandardByteCodes.Case:
                return(DecompileCase());

            // if (expression) // while / for / do until
            case (byte)StandardByteCodes.JumpIfNot:
                return(DecompileConditionalJump());

            // continue
            case (byte)StandardByteCodes.Jump:     // TODO: UDK seems to compile this from break when inside ForEach, handle?
                return(DecompileJump());

            // continue (iterator)
            case (byte)StandardByteCodes.IteratorNext:
                PopByte();     // pop iteratornext token
                return(DecompileJump());

            // break;
            case (byte)StandardByteCodes.IteratorPop:
                return(DecompileIteratorPop());

            // stop;
            case (byte)StandardByteCodes.Stop:
                PopByte();
                var stopStatement = new StopStatement(null, null);
                StatementLocations.Add(StartPositions.Pop(), stopStatement);
                return(stopStatement);

            // Goto label
            case (byte)StandardByteCodes.GotoLabel:
                PopByte();
                var labelExpr = DecompileExpression();
                var func      = new SymbolReference(null, null, null, "goto");
                var call      = new FunctionCall(func, new List <Expression>()
                {
                    labelExpr
                }, null, null);
                var gotoLabel = new ExpressionOnlyStatement(null, null, call);
                StatementLocations.Add(StartPositions.Pop(), gotoLabel);
                return(gotoLabel);

            // assignable expression = expression;
            case (byte)StandardByteCodes.Let:
            case (byte)StandardByteCodes.LetBool:
            case (byte)StandardByteCodes.LetDelegate:
                return(DecompileAssign());

            // [skip x bytes]
            case (byte)StandardByteCodes.Skip:     // TODO: this should never occur as statement, possibly remove?
                PopByte();
                ReadUInt16();
                StartPositions.Pop();
                return(DecompileStatement());

            case (byte)StandardByteCodes.Nothing:
                PopByte();
                StartPositions.Pop();
                return(DecompileStatement());    // TODO, should probably have a nothing expression or statement, this is ugly

            // foreach IteratorFunction(...)
            case (byte)StandardByteCodes.Iterator:
                return(DecompileForEach());

            // foreach arrayName(valuevariable[, indexvariable])
            case (byte)StandardByteCodes.DynArrayIterator:
                return(DecompileForEach(isDynArray: true));

            case (byte)StandardByteCodes.LabelTable:
                DecompileLabelTable();
                StartPositions.Pop();
                return(DecompileStatement());

                #region unsupported

            case (byte)StandardByteCodes.OptIfLocal:     // TODO: verify, handle syntax
                return(DecompileConditionalJump(isOpt: true));

            case (byte)StandardByteCodes.OptIfInstance:     // TODO: verify, handle syntax
                return(DecompileConditionalJump(isOpt: true));

                #endregion

            default:
                var expr = DecompileExpression();
                if (expr != null)
                {
                    var statement = new ExpressionOnlyStatement(null, null, expr);
                    StatementLocations.Add(StartPositions.Pop(), statement);
                    return(statement);
                }

                // ERROR!
                break;
            }

            return(null);
        }
		public sealed override object VisitStopStatement(StopStatement stopStatement, object data) {
			BeginVisit(stopStatement);
			object result = TrackedVisitStopStatement(stopStatement, data);
			EndVisit(stopStatement);
			return result;
		}
Beispiel #7
0
	void EmbeddedStatement(
#line  2755 "VBNET.ATG" 
out Statement statement) {

#line  2757 "VBNET.ATG" 
		Statement embeddedStatement = null;
		statement = null;
		Expression expr = null;
		string name = String.Empty;
		List<Expression> p = null;
		
		if (la.kind == 107) {
			lexer.NextToken();

#line  2763 "VBNET.ATG" 
			ExitType exitType = ExitType.None; 
			switch (la.kind) {
			case 195: {
				lexer.NextToken();

#line  2765 "VBNET.ATG" 
				exitType = ExitType.Sub; 
				break;
			}
			case 114: {
				lexer.NextToken();

#line  2767 "VBNET.ATG" 
				exitType = ExitType.Function; 
				break;
			}
			case 171: {
				lexer.NextToken();

#line  2769 "VBNET.ATG" 
				exitType = ExitType.Property; 
				break;
			}
			case 95: {
				lexer.NextToken();

#line  2771 "VBNET.ATG" 
				exitType = ExitType.Do; 
				break;
			}
			case 111: {
				lexer.NextToken();

#line  2773 "VBNET.ATG" 
				exitType = ExitType.For; 
				break;
			}
			case 203: {
				lexer.NextToken();

#line  2775 "VBNET.ATG" 
				exitType = ExitType.Try; 
				break;
			}
			case 216: {
				lexer.NextToken();

#line  2777 "VBNET.ATG" 
				exitType = ExitType.While; 
				break;
			}
			case 182: {
				lexer.NextToken();

#line  2779 "VBNET.ATG" 
				exitType = ExitType.Select; 
				break;
			}
			default: SynErr(273); break;
			}

#line  2781 "VBNET.ATG" 
			statement = new ExitStatement(exitType); 
		} else if (la.kind == 203) {
			TryStatement(
#line  2782 "VBNET.ATG" 
out statement);
		} else if (la.kind == 76) {
			lexer.NextToken();

#line  2783 "VBNET.ATG" 
			ContinueType continueType = ContinueType.None; 
			if (la.kind == 95 || la.kind == 111 || la.kind == 216) {
				if (la.kind == 95) {
					lexer.NextToken();

#line  2783 "VBNET.ATG" 
					continueType = ContinueType.Do; 
				} else if (la.kind == 111) {
					lexer.NextToken();

#line  2783 "VBNET.ATG" 
					continueType = ContinueType.For; 
				} else {
					lexer.NextToken();

#line  2783 "VBNET.ATG" 
					continueType = ContinueType.While; 
				}
			}

#line  2783 "VBNET.ATG" 
			statement = new ContinueStatement(continueType); 
		} else if (la.kind == 200) {
			lexer.NextToken();
			if (StartOf(29)) {
				Expr(
#line  2785 "VBNET.ATG" 
out expr);
			}

#line  2785 "VBNET.ATG" 
			statement = new ThrowStatement(expr); 
		} else if (la.kind == 180) {
			lexer.NextToken();
			if (StartOf(29)) {
				Expr(
#line  2787 "VBNET.ATG" 
out expr);
			}

#line  2787 "VBNET.ATG" 
			statement = new ReturnStatement(expr); 
		} else if (la.kind == 196) {
			lexer.NextToken();
			Expr(
#line  2789 "VBNET.ATG" 
out expr);
			EndOfStmt();
			Block(
#line  2789 "VBNET.ATG" 
out embeddedStatement);
			Expect(100);
			Expect(196);

#line  2790 "VBNET.ATG" 
			statement = new LockStatement(expr, embeddedStatement); 
		} else if (la.kind == 174) {
			lexer.NextToken();
			Identifier();

#line  2792 "VBNET.ATG" 
			name = t.val; 
			if (la.kind == 25) {
				lexer.NextToken();
				if (StartOf(37)) {
					ArgumentList(
#line  2793 "VBNET.ATG" 
out p);
				}
				Expect(26);
			}

#line  2795 "VBNET.ATG" 
			statement = new RaiseEventStatement(name, p);
			
		} else if (la.kind == 218) {
			WithStatement(
#line  2798 "VBNET.ATG" 
out statement);
		} else if (la.kind == 43) {
			lexer.NextToken();

#line  2800 "VBNET.ATG" 
			Expression handlerExpr = null; 
			Expr(
#line  2801 "VBNET.ATG" 
out expr);
			Expect(12);
			Expr(
#line  2801 "VBNET.ATG" 
out handlerExpr);

#line  2803 "VBNET.ATG" 
			statement = new AddHandlerStatement(expr, handlerExpr);
			
		} else if (la.kind == 178) {
			lexer.NextToken();

#line  2806 "VBNET.ATG" 
			Expression handlerExpr = null; 
			Expr(
#line  2807 "VBNET.ATG" 
out expr);
			Expect(12);
			Expr(
#line  2807 "VBNET.ATG" 
out handlerExpr);

#line  2809 "VBNET.ATG" 
			statement = new RemoveHandlerStatement(expr, handlerExpr);
			
		} else if (la.kind == 216) {
			lexer.NextToken();
			Expr(
#line  2812 "VBNET.ATG" 
out expr);
			EndOfStmt();
			Block(
#line  2813 "VBNET.ATG" 
out embeddedStatement);
			Expect(100);
			Expect(216);

#line  2815 "VBNET.ATG" 
			statement = new DoLoopStatement(expr, embeddedStatement, ConditionType.While, ConditionPosition.Start);
			
		} else if (la.kind == 95) {
			lexer.NextToken();

#line  2820 "VBNET.ATG" 
			ConditionType conditionType = ConditionType.None;
			
			if (la.kind == 209 || la.kind == 216) {
				WhileOrUntil(
#line  2823 "VBNET.ATG" 
out conditionType);
				Expr(
#line  2823 "VBNET.ATG" 
out expr);
				EndOfStmt();
				Block(
#line  2824 "VBNET.ATG" 
out embeddedStatement);
				Expect(138);

#line  2827 "VBNET.ATG" 
				statement = new DoLoopStatement(expr, 
				                               embeddedStatement, 
				                               conditionType == ConditionType.While ? ConditionType.DoWhile : conditionType, 
				                               ConditionPosition.Start);
				
			} else if (la.kind == 1 || la.kind == 11) {
				EndOfStmt();
				Block(
#line  2834 "VBNET.ATG" 
out embeddedStatement);
				Expect(138);
				if (la.kind == 209 || la.kind == 216) {
					WhileOrUntil(
#line  2835 "VBNET.ATG" 
out conditionType);
					Expr(
#line  2835 "VBNET.ATG" 
out expr);
				}

#line  2837 "VBNET.ATG" 
				statement = new DoLoopStatement(expr, embeddedStatement, conditionType, ConditionPosition.End);
				
			} else SynErr(274);
		} else if (la.kind == 111) {
			lexer.NextToken();

#line  2842 "VBNET.ATG" 
			Expression group = null;
			TypeReference typeReference;
			string        typeName;
			Location startLocation = t.Location;
			
			if (la.kind == 97) {
				lexer.NextToken();
				LoopControlVariable(
#line  2849 "VBNET.ATG" 
out typeReference, out typeName);
				Expect(125);
				Expr(
#line  2850 "VBNET.ATG" 
out group);
				EndOfStmt();
				Block(
#line  2851 "VBNET.ATG" 
out embeddedStatement);
				Expect(149);
				if (StartOf(29)) {
					Expr(
#line  2852 "VBNET.ATG" 
out expr);
				}

#line  2854 "VBNET.ATG" 
				statement = new ForeachStatement(typeReference, 
				                                typeName,
				                                group, 
				                                embeddedStatement, 
				                                expr);
				statement.StartLocation = startLocation;
				statement.EndLocation   = t.EndLocation;
				
				
			} else if (StartOf(38)) {

#line  2865 "VBNET.ATG" 
				Expression start = null;
				Expression end = null;
				Expression step = null;
				Expression variableExpr = null;
				Expression nextExpr = null;
				List<Expression> nextExpressions = null;
				
				if (
#line  2872 "VBNET.ATG" 
IsLoopVariableDeclaration()) {
					LoopControlVariable(
#line  2873 "VBNET.ATG" 
out typeReference, out typeName);
				} else {

#line  2875 "VBNET.ATG" 
					typeReference = null; typeName = null; 
					SimpleExpr(
#line  2876 "VBNET.ATG" 
out variableExpr);
				}
				Expect(10);
				Expr(
#line  2878 "VBNET.ATG" 
out start);
				Expect(201);
				Expr(
#line  2878 "VBNET.ATG" 
out end);
				if (la.kind == 190) {
					lexer.NextToken();
					Expr(
#line  2878 "VBNET.ATG" 
out step);
				}
				EndOfStmt();
				Block(
#line  2879 "VBNET.ATG" 
out embeddedStatement);
				Expect(149);
				if (StartOf(29)) {
					Expr(
#line  2882 "VBNET.ATG" 
out nextExpr);

#line  2884 "VBNET.ATG" 
					nextExpressions = new List<Expression>();
					nextExpressions.Add(nextExpr);
					
					while (la.kind == 12) {
						lexer.NextToken();
						Expr(
#line  2887 "VBNET.ATG" 
out nextExpr);

#line  2887 "VBNET.ATG" 
						nextExpressions.Add(nextExpr); 
					}
				}

#line  2890 "VBNET.ATG" 
				statement = new ForNextStatement {
				TypeReference = typeReference,
				VariableName = typeName, 
				LoopVariableExpression = variableExpr,
				Start = start, 
				End = end, 
				Step = step, 
				EmbeddedStatement = embeddedStatement, 
				NextExpressions = nextExpressions
				};
				
			} else SynErr(275);
		} else if (la.kind == 105) {
			lexer.NextToken();
			Expr(
#line  2903 "VBNET.ATG" 
out expr);

#line  2903 "VBNET.ATG" 
			statement = new ErrorStatement(expr); 
		} else if (la.kind == 176) {
			lexer.NextToken();

#line  2905 "VBNET.ATG" 
			bool isPreserve = false; 
			if (la.kind == 169) {
				lexer.NextToken();

#line  2905 "VBNET.ATG" 
				isPreserve = true; 
			}
			ReDimClause(
#line  2906 "VBNET.ATG" 
out expr);

#line  2908 "VBNET.ATG" 
			ReDimStatement reDimStatement = new ReDimStatement(isPreserve);
			statement = reDimStatement;
			SafeAdd(reDimStatement, reDimStatement.ReDimClauses, expr as InvocationExpression);
			
			while (la.kind == 12) {
				lexer.NextToken();
				ReDimClause(
#line  2912 "VBNET.ATG" 
out expr);

#line  2913 "VBNET.ATG" 
				SafeAdd(reDimStatement, reDimStatement.ReDimClauses, expr as InvocationExpression); 
			}
		} else if (la.kind == 104) {
			lexer.NextToken();
			Expr(
#line  2917 "VBNET.ATG" 
out expr);

#line  2919 "VBNET.ATG" 
			EraseStatement eraseStatement = new EraseStatement();
			if (expr != null) { SafeAdd(eraseStatement, eraseStatement.Expressions, expr);}
			
			while (la.kind == 12) {
				lexer.NextToken();
				Expr(
#line  2922 "VBNET.ATG" 
out expr);

#line  2922 "VBNET.ATG" 
				if (expr != null) { SafeAdd(eraseStatement, eraseStatement.Expressions, expr); }
			}

#line  2923 "VBNET.ATG" 
			statement = eraseStatement; 
		} else if (la.kind == 191) {
			lexer.NextToken();

#line  2925 "VBNET.ATG" 
			statement = new StopStatement(); 
		} else if (
#line  2927 "VBNET.ATG" 
la.kind == Tokens.If) {
			Expect(122);

#line  2928 "VBNET.ATG" 
			Location ifStartLocation = t.Location; 
			Expr(
#line  2928 "VBNET.ATG" 
out expr);
			if (la.kind == 199) {
				lexer.NextToken();
			}
			if (la.kind == 1 || la.kind == 11) {
				EndOfStmt();
				Block(
#line  2931 "VBNET.ATG" 
out embeddedStatement);

#line  2933 "VBNET.ATG" 
				IfElseStatement ifStatement = new IfElseStatement(expr, embeddedStatement);
				ifStatement.StartLocation = ifStartLocation;
				Location elseIfStart;
				
				while (la.kind == 99 || 
#line  2939 "VBNET.ATG" 
IsElseIf()) {
					if (
#line  2939 "VBNET.ATG" 
IsElseIf()) {
						Expect(98);

#line  2939 "VBNET.ATG" 
						elseIfStart = t.Location; 
						Expect(122);
					} else {
						lexer.NextToken();

#line  2940 "VBNET.ATG" 
						elseIfStart = t.Location; 
					}

#line  2942 "VBNET.ATG" 
					Expression condition = null; Statement block = null; 
					Expr(
#line  2943 "VBNET.ATG" 
out condition);
					if (la.kind == 199) {
						lexer.NextToken();
					}
					EndOfStmt();
					Block(
#line  2944 "VBNET.ATG" 
out block);

#line  2946 "VBNET.ATG" 
					ElseIfSection elseIfSection = new ElseIfSection(condition, block);
					elseIfSection.StartLocation = elseIfStart;
					elseIfSection.EndLocation = t.Location;
					elseIfSection.Parent = ifStatement;
					ifStatement.ElseIfSections.Add(elseIfSection);
					
				}
				if (la.kind == 98) {
					lexer.NextToken();
					EndOfStmt();
					Block(
#line  2955 "VBNET.ATG" 
out embeddedStatement);

#line  2957 "VBNET.ATG" 
					ifStatement.FalseStatement.Add(embeddedStatement);
					
				}
				Expect(100);
				Expect(122);

#line  2961 "VBNET.ATG" 
				ifStatement.EndLocation = t.Location;
				statement = ifStatement;
				
			} else if (StartOf(39)) {

#line  2966 "VBNET.ATG" 
				IfElseStatement ifStatement = new IfElseStatement(expr);
				ifStatement.StartLocation = ifStartLocation;
				
				SingleLineStatementList(
#line  2969 "VBNET.ATG" 
ifStatement.TrueStatement);
				if (la.kind == 98) {
					lexer.NextToken();
					if (StartOf(39)) {
						SingleLineStatementList(
#line  2972 "VBNET.ATG" 
ifStatement.FalseStatement);
					}
				}

#line  2974 "VBNET.ATG" 
				ifStatement.EndLocation = t.Location; statement = ifStatement; 
			} else SynErr(276);
		} else if (la.kind == 182) {
			lexer.NextToken();
			if (la.kind == 61) {
				lexer.NextToken();
			}
			Expr(
#line  2977 "VBNET.ATG" 
out expr);
			EndOfStmt();

#line  2978 "VBNET.ATG" 
			List<SwitchSection> selectSections = new List<SwitchSection>();
			Statement block = null;
			
			while (la.kind == 61) {

#line  2982 "VBNET.ATG" 
				List<CaseLabel> caseClauses = null; Location caseLocation = la.Location; 
				lexer.NextToken();
				CaseClauses(
#line  2983 "VBNET.ATG" 
out caseClauses);
				if (
#line  2983 "VBNET.ATG" 
IsNotStatementSeparator()) {
					lexer.NextToken();
				}
				EndOfStmt();

#line  2985 "VBNET.ATG" 
				SwitchSection selectSection = new SwitchSection(caseClauses);
				selectSection.StartLocation = caseLocation;
				
				Block(
#line  2988 "VBNET.ATG" 
out block);

#line  2990 "VBNET.ATG" 
				selectSection.Children = block.Children;
				selectSection.EndLocation = t.EndLocation;
				selectSections.Add(selectSection);
				
			}

#line  2996 "VBNET.ATG" 
			statement = new SwitchStatement(expr, selectSections);
			
			Expect(100);
			Expect(182);
		} else if (la.kind == 157) {

#line  2999 "VBNET.ATG" 
			OnErrorStatement onErrorStatement = null; 
			OnErrorStatement(
#line  3000 "VBNET.ATG" 
out onErrorStatement);

#line  3000 "VBNET.ATG" 
			statement = onErrorStatement; 
		} else if (la.kind == 119) {

#line  3001 "VBNET.ATG" 
			GotoStatement goToStatement = null; 
			GotoStatement(
#line  3002 "VBNET.ATG" 
out goToStatement);

#line  3002 "VBNET.ATG" 
			statement = goToStatement; 
		} else if (la.kind == 179) {

#line  3003 "VBNET.ATG" 
			ResumeStatement resumeStatement = null; 
			ResumeStatement(
#line  3004 "VBNET.ATG" 
out resumeStatement);

#line  3004 "VBNET.ATG" 
			statement = resumeStatement; 
		} else if (StartOf(38)) {

#line  3007 "VBNET.ATG" 
			Expression val = null;
			AssignmentOperatorType op;
			
			bool mustBeAssignment = la.kind == Tokens.Plus  || la.kind == Tokens.Minus ||
			                        la.kind == Tokens.Not   || la.kind == Tokens.Times;
			
			SimpleExpr(
#line  3013 "VBNET.ATG" 
out expr);
			if (StartOf(40)) {
				AssignmentOperator(
#line  3015 "VBNET.ATG" 
out op);
				Expr(
#line  3015 "VBNET.ATG" 
out val);

#line  3015 "VBNET.ATG" 
				expr = new AssignmentExpression(expr, op, val); 
			} else if (la.kind == 1 || la.kind == 11 || la.kind == 98) {

#line  3016 "VBNET.ATG" 
				if (mustBeAssignment) Error("error in assignment."); 
			} else SynErr(277);

#line  3019 "VBNET.ATG" 
			// a field reference expression that stands alone is a
			// invocation expression without parantheses and arguments
			if(expr is MemberReferenceExpression || expr is IdentifierExpression) {
				expr = new InvocationExpression(expr);
			}
			statement = new ExpressionStatement(expr);
			
		} else if (la.kind == 60) {
			lexer.NextToken();
			SimpleExpr(
#line  3026 "VBNET.ATG" 
out expr);

#line  3026 "VBNET.ATG" 
			statement = new ExpressionStatement(expr); 
		} else if (la.kind == 211) {
			lexer.NextToken();

#line  3028 "VBNET.ATG" 
			Statement block;  
			if (
#line  3029 "VBNET.ATG" 
Peek(1).kind == Tokens.As) {

#line  3030 "VBNET.ATG" 
				LocalVariableDeclaration resourceAquisition = new LocalVariableDeclaration(Modifiers.None); 
				VariableDeclarator(
#line  3031 "VBNET.ATG" 
resourceAquisition.Variables);
				while (la.kind == 12) {
					lexer.NextToken();
					VariableDeclarator(
#line  3033 "VBNET.ATG" 
resourceAquisition.Variables);
				}
				Block(
#line  3035 "VBNET.ATG" 
out block);

#line  3037 "VBNET.ATG" 
				statement = new UsingStatement(resourceAquisition, block);
				
			} else if (StartOf(29)) {
				Expr(
#line  3039 "VBNET.ATG" 
out expr);
				Block(
#line  3040 "VBNET.ATG" 
out block);

#line  3041 "VBNET.ATG" 
				statement = new UsingStatement(new ExpressionStatement(expr), block); 
			} else SynErr(278);
			Expect(100);
			Expect(211);
		} else if (StartOf(41)) {
			LocalDeclarationStatement(
#line  3044 "VBNET.ATG" 
out statement);
		} else SynErr(279);
	}
Beispiel #8
0
 public bool VisitNode(StopStatement node)
 {
     throw new NotImplementedException();
 }
Beispiel #9
0
 public object VisitStopStatement(StopStatement stopStatement, object data)
 {
     return(new B.ExpressionStatement(MakeMethodCall("System.Diagnostics.Debugger.Break")));
 }
 public object VisitStopStatement(StopStatement stopStatement, object data)
 {
     throw new NotImplementedException();
 }
		public virtual object VisitStopStatement(StopStatement stopStatement, object data) {
			Debug.Assert((stopStatement != null));
			return null;
		}
 private bool IsMatch(StopStatement left, StopStatement data)
 {
     return(false);
 }
		public virtual object VisitStopStatement(StopStatement stopStatement, object data) {
			throw new global::System.NotImplementedException("StopStatement");
		}
Beispiel #14
0
        public Statement DecompileStatement(ushort?startPosition = null)
        {
            StartPositions.Push(startPosition ?? (ushort)Position);
            var token = PeekByte;

            switch (token)
            {
            // return [expression];
            case (byte)OpCodes.Return:
                return(DecompileReturn());

            // switch (expression)
            case (byte)OpCodes.Switch:
                return(DecompileSwitch());

            // case expression :
            case (byte)OpCodes.Case:
                return(DecompileCase());

            // if (expression) // while / for / do until
            case (byte)OpCodes.JumpIfNot:
            {
                PopByte();
                var jump = new IfNotJump(ReadUInt16(), DecompileExpression(), Position - StartPositions.Peek());
                StatementLocations.Add(StartPositions.Pop(), jump);
                return(jump);
            }

            case (byte)OpCodes.Jump:
            {
                PopByte();
                ushort jumpLoc = ReadUInt16();
                if (ForEachScopes.Count > 0 && jumpLoc == ForEachScopes.Peek())
                {
                    var brk = new BreakStatement();
                    StatementLocations.Add(StartPositions.Pop(), brk);
                    return(brk);
                }
                var jump = new UnconditionalJump(jumpLoc);
                StatementLocations.Add(StartPositions.Pop(), jump);
                return(jump);
            }

            // continue (iterator)
            case (byte)OpCodes.IteratorNext:
            {
                PopByte();
                var itNext = new ContinueStatement();
                StatementLocations.Add(StartPositions.Pop(), itNext);
                if (PopByte() != (byte)OpCodes.Jump)
                {
                    return(null);    //there should always be a jump after an iteratornext that's not at the end of the loop
                }
                //skip the jump address
                PopByte();
                PopByte();
                return(itNext);
            }

            // break;
            case (byte)OpCodes.IteratorPop:
            {
                PopByte();
                return(DecompileStatement(StartPositions.Pop()));
            }

            // stop;
            case (byte)OpCodes.Stop:
                PopByte();
                var stopStatement = new StopStatement(null, null);
                StatementLocations.Add(StartPositions.Pop(), stopStatement);
                return(stopStatement);

            // Goto label
            case (byte)OpCodes.GotoLabel:
                PopByte();
                var gotoLabel = new StateGoto(DecompileExpression());
                StatementLocations.Add(StartPositions.Pop(), gotoLabel);
                return(gotoLabel);

            // assignable expression = expression;
            case (byte)OpCodes.Let:
            case (byte)OpCodes.LetBool:
            case (byte)OpCodes.LetDelegate:
                return(DecompileAssign());

            // [skip x bytes]
            case (byte)OpCodes.Skip:     // TODO: this should never occur as statement, possibly remove?
                PopByte();
                ReadUInt16();
                StartPositions.Pop();
                return(DecompileStatement());

            case (byte)OpCodes.Nothing:
                PopByte();
                StartPositions.Pop();
                return(DecompileStatement());    // TODO, should probably have a nothing expression or statement, this is ugly

            // foreach IteratorFunction(...)
            case (byte)OpCodes.Iterator:
                return(DecompileForEach());

            // foreach arrayName(valuevariable[, indexvariable])
            case (byte)OpCodes.DynArrayIterator:
                return(DecompileForEach(true));

            case (byte)OpCodes.LabelTable:
                DecompileLabelTable();
                StartPositions.Pop();
                return(DecompileStatement());

            case (byte)OpCodes.OptIfLocal:
            case (byte)OpCodes.OptIfInstance:
            {
                PopByte();
                IEntry obj       = ReadObject();
                var    condition = new SymbolReference(null, obj.ObjectName.Instanced);
                bool   not       = Convert.ToBoolean(ReadByte());
                if (obj.ClassName == "BoolProperty")
                {
                    var ifJump = new IfNotJump(
                        ReadUInt16(), not ? (Expression)condition : new PreOpReference(new PreOpDeclaration("!", SymbolTable.BoolType, 0, null), condition),
                        Position - StartPositions.Peek());
                    StatementLocations.Add(StartPositions.Pop(), ifJump);
                    return(ifJump);
                }

                var nullJump = new NullJump(ReadUInt16(), condition, not)
                {
                    SizeOfExpression = Position - StartPositions.Peek()
                };
                StatementLocations.Add(StartPositions.Pop(), nullJump);
                return(nullJump);
            }

            case (byte)OpCodes.FilterEditorOnly:
            {
                PopByte();
                var edFilter = new InEditorJump(ReadUInt16());
                StatementLocations.Add(StartPositions.Pop(), edFilter);
                return(edFilter);
            }

            case (byte)OpCodes.EatReturnValue:
                PopByte();
                ReadObject();
                return(DecompileStatement(StartPositions.Pop()));

            case (byte)OpCodes.Assert:
                return(DecompileAssert());

            default:
                var expr = DecompileExpression();
                if (expr != null)
                {
                    var statement = new ExpressionOnlyStatement(expr, null, null);
                    StatementLocations.Add(StartPositions.Pop(), statement);
                    return(statement);
                }

                // ERROR!
                return(null);
            }
        }
Beispiel #15
0
            private static IToken BuildCodeElementFromType(CodeElementType type, Token lastTokenBeforeError, string informationText)
            {
                CodeElement codeElement = null;

                switch (type)
                {
                case CodeElementType.ProgramIdentification:
                    codeElement = new ProgramIdentification();
                    break;

                case CodeElementType.ProgramEnd:
                    codeElement = new ProgramEnd();
                    break;

                case CodeElementType.ClassIdentification:
                    codeElement = new ClassIdentification();
                    break;

                case CodeElementType.ClassEnd:
                    codeElement = new ClassEnd();
                    break;

                case CodeElementType.FactoryIdentification:
                    codeElement = new FactoryIdentification();
                    break;

                case CodeElementType.FactoryEnd:
                    codeElement = new FactoryEnd();
                    break;

                case CodeElementType.ObjectIdentification:
                    codeElement = new ObjectIdentification();
                    break;

                case CodeElementType.ObjectEnd:
                    codeElement = new ObjectEnd();
                    break;

                case CodeElementType.MethodIdentification:
                    codeElement = new MethodIdentification();
                    break;

                case CodeElementType.MethodEnd:
                    codeElement = new MethodEnd();
                    break;

                case CodeElementType.EnvironmentDivisionHeader:
                    codeElement = new EnvironmentDivisionHeader();
                    break;

                case CodeElementType.DataDivisionHeader:
                    codeElement = new DataDivisionHeader();
                    break;

                case CodeElementType.ProcedureDivisionHeader:
                    codeElement = new ProcedureDivisionHeader();
                    break;

                case CodeElementType.DeclarativesHeader:
                    codeElement = new DeclarativesHeader();
                    break;

                case CodeElementType.DeclarativesEnd:
                    codeElement = new DeclarativesEnd();
                    break;

                case CodeElementType.SectionHeader:
                    codeElement = new SectionHeader();
                    break;

                case CodeElementType.ConfigurationSectionHeader:
                    codeElement = new ConfigurationSectionHeader();
                    break;

                case CodeElementType.InputOutputSectionHeader:
                    codeElement = new InputOutputSectionHeader();
                    break;

                case CodeElementType.FileSectionHeader:
                    codeElement = new FileSectionHeader();
                    break;

                case CodeElementType.WorkingStorageSectionHeader:
                    codeElement = new WorkingStorageSectionHeader();
                    break;

                case CodeElementType.LocalStorageSectionHeader:
                    codeElement = new LocalStorageSectionHeader();
                    break;

                case CodeElementType.LinkageSectionHeader:
                    codeElement = new LinkageSectionHeader();
                    break;

                case CodeElementType.ParagraphHeader:
                    codeElement = new ParagraphHeader();
                    break;

                case CodeElementType.FileControlParagraphHeader:
                    codeElement = new FileControlParagraphHeader();
                    break;

                case CodeElementType.IOControlParagraphHeader:
                    codeElement = new IOControlParagraphHeader();
                    break;

                case CodeElementType.SentenceEnd:
                    codeElement = new SentenceEnd();
                    break;

                case CodeElementType.FileDescriptionEntry:
                    codeElement = new FileDescriptionEntry();
                    break;

                case CodeElementType.DataDescriptionEntry:
                    codeElement = new DataDescriptionEntry();
                    break;

                case CodeElementType.DataRedefinesEntry:
                    codeElement = new DataRedefinesEntry();
                    break;

                case CodeElementType.DataRenamesEntry:
                    codeElement = new DataRenamesEntry();
                    break;

                case CodeElementType.DataConditionEntry:
                    codeElement = new DataConditionEntry();
                    break;

                case CodeElementType.FileControlEntry:
                    codeElement = new FileControlEntry();
                    break;

                case CodeElementType.IOControlEntry:
                    codeElement = new RerunIOControlEntry();
                    break;

                case CodeElementType.SourceComputerParagraph:
                    codeElement = new SourceComputerParagraph();
                    break;

                case CodeElementType.ObjectComputerParagraph:
                    codeElement = new ObjectComputerParagraph();
                    break;

                case CodeElementType.SpecialNamesParagraph:
                    codeElement = new SpecialNamesParagraph();
                    break;

                case CodeElementType.RepositoryParagraph:
                    codeElement = new RepositoryParagraph();
                    break;

                case CodeElementType.AcceptStatement:
                    codeElement = new AcceptFromInputDeviceStatement();
                    break;

                case CodeElementType.AddStatement:
                    codeElement = new AddSimpleStatement();
                    break;

                case CodeElementType.AlterStatement:
                    codeElement = new AlterStatement();
                    break;

                case CodeElementType.CallStatement:
                    codeElement = new CallStatement();
                    break;

                case CodeElementType.CancelStatement:
                    codeElement = new CancelStatement();
                    break;

                case CodeElementType.CloseStatement:
                    codeElement = new CloseStatement();
                    break;

                case CodeElementType.ComputeStatement:
                    codeElement = new ComputeStatement();
                    break;

                case CodeElementType.ContinueStatement:
                    codeElement = new ContinueStatement();
                    break;

                case CodeElementType.DeleteStatement:
                    codeElement = new DeleteStatement();
                    break;

                case CodeElementType.DisplayStatement:
                    codeElement = new DisplayStatement();
                    break;

                case CodeElementType.DivideStatement:
                    codeElement = new DivideSimpleStatement();
                    break;

                case CodeElementType.EntryStatement:
                    codeElement = new EntryStatement();
                    break;

                case CodeElementType.EvaluateStatement:
                    codeElement = new EvaluateStatement();
                    break;

                case CodeElementType.ExecStatement:
                    codeElement = new ExecStatement();
                    break;

                case CodeElementType.ExitMethodStatement:
                    codeElement = new ExitMethodStatement();
                    break;

                case CodeElementType.ExitProgramStatement:
                    codeElement = new ExitProgramStatement();
                    break;

                case CodeElementType.ExitStatement:
                    codeElement = new ExitStatement();
                    break;

                case CodeElementType.GobackStatement:
                    codeElement = new GobackStatement();
                    break;

                case CodeElementType.GotoStatement:
                    codeElement = new GotoSimpleStatement();
                    break;

                case CodeElementType.IfStatement:
                    codeElement = new IfStatement();
                    break;

                case CodeElementType.InitializeStatement:
                    codeElement = new InitializeStatement();
                    break;

                case CodeElementType.InspectStatement:
                    codeElement = new InspectTallyingStatement();
                    break;

                case CodeElementType.InvokeStatement:
                    codeElement = new InvokeStatement();
                    break;

                case CodeElementType.MergeStatement:
                    codeElement = new MergeStatement();
                    break;

                case CodeElementType.MoveStatement:
                    codeElement = new MoveSimpleStatement(null, null, null);
                    break;

                case CodeElementType.MultiplyStatement:
                    codeElement = new MultiplySimpleStatement();
                    break;

                case CodeElementType.NextSentenceStatement:
                    codeElement = new NextSentenceStatement();
                    break;

                case CodeElementType.OpenStatement:
                    codeElement = new OpenStatement();
                    break;

                case CodeElementType.PerformProcedureStatement:
                    codeElement = new PerformProcedureStatement();
                    break;

                case CodeElementType.PerformStatement:
                    codeElement = new PerformStatement();
                    break;

                case CodeElementType.ReadStatement:
                    codeElement = new ReadStatement();
                    break;

                case CodeElementType.ReleaseStatement:
                    codeElement = new ReleaseStatement();
                    break;

                case CodeElementType.ReturnStatement:
                    codeElement = new ReturnStatement();
                    break;

                case CodeElementType.RewriteStatement:
                    codeElement = new RewriteStatement();
                    break;

                case CodeElementType.SearchStatement:
                    codeElement = new SearchSerialStatement();
                    break;

                case CodeElementType.SetStatement:
                    codeElement = new SetStatementForAssignment();
                    break;

                case CodeElementType.SortStatement:
                    codeElement = new SortStatement();
                    break;

                case CodeElementType.StartStatement:
                    codeElement = new StartStatement();
                    break;

                case CodeElementType.StopStatement:
                    codeElement = new StopStatement();
                    break;

                case CodeElementType.StringStatement:
                    codeElement = new StringStatement();
                    break;

                case CodeElementType.SubtractStatement:
                    codeElement = new SubtractSimpleStatement();
                    break;

                case CodeElementType.UnstringStatement:
                    codeElement = new UnstringStatement();
                    break;

                case CodeElementType.UseStatement:
                    codeElement = new UseAfterIOExceptionStatement();
                    break;

                case CodeElementType.WriteStatement:
                    codeElement = new WriteStatement();
                    break;

                case CodeElementType.XmlGenerateStatement:
                    codeElement = new XmlGenerateStatement();
                    break;

                case CodeElementType.XmlParseStatement:
                    codeElement = new XmlParseStatement();
                    break;

                case CodeElementType.AtEndCondition:
                    codeElement = new AtEndCondition();
                    break;

                case CodeElementType.NotAtEndCondition:
                    codeElement = new NotAtEndCondition();
                    break;

                case CodeElementType.AtEndOfPageCondition:
                    codeElement = new AtEndOfPageCondition();
                    break;

                case CodeElementType.NotAtEndOfPageCondition:
                    codeElement = new NotAtEndOfPageCondition();
                    break;

                case CodeElementType.OnExceptionCondition:
                    codeElement = new OnExceptionCondition();
                    break;

                case CodeElementType.NotOnExceptionCondition:
                    codeElement = new NotOnExceptionCondition();
                    break;

                case CodeElementType.OnOverflowCondition:
                    codeElement = new OnOverflowCondition();
                    break;

                case CodeElementType.NotOnOverflowCondition:
                    codeElement = new NotOnOverflowCondition();
                    break;

                case CodeElementType.InvalidKeyCondition:
                    codeElement = new InvalidKeyCondition();
                    break;

                case CodeElementType.NotInvalidKeyCondition:
                    codeElement = new NotInvalidKeyCondition();
                    break;

                case CodeElementType.OnSizeErrorCondition:
                    codeElement = new OnSizeErrorCondition();
                    break;

                case CodeElementType.NotOnSizeErrorCondition:
                    codeElement = new NotOnSizeErrorCondition();
                    break;

                case CodeElementType.ElseCondition:
                    codeElement = new ElseCondition();
                    break;

                case CodeElementType.WhenCondition:
                    codeElement = new WhenCondition();
                    break;

                case CodeElementType.WhenOtherCondition:
                    codeElement = new WhenOtherCondition();
                    break;

                case CodeElementType.WhenSearchCondition:
                    codeElement = new WhenSearchCondition();
                    break;

                case CodeElementType.AddStatementEnd:
                    codeElement = new AddStatementEnd();
                    break;

                case CodeElementType.CallStatementEnd:
                    codeElement = new CallStatementEnd();
                    break;

                case CodeElementType.ComputeStatementEnd:
                    codeElement = new ComputeStatementEnd();
                    break;

                case CodeElementType.DeleteStatementEnd:
                    codeElement = new DeleteStatementEnd();
                    break;

                case CodeElementType.DivideStatementEnd:
                    codeElement = new DivideStatementEnd();
                    break;

                case CodeElementType.EvaluateStatementEnd:
                    codeElement = new EvaluateStatementEnd();
                    break;

                case CodeElementType.IfStatementEnd:
                    codeElement = new IfStatementEnd();
                    break;

                case CodeElementType.InvokeStatementEnd:
                    codeElement = new InvokeStatementEnd();
                    break;

                case CodeElementType.MultiplyStatementEnd:
                    codeElement = new MultiplyStatementEnd();
                    break;

                case CodeElementType.PerformStatementEnd:
                    codeElement = new PerformStatementEnd();
                    break;

                case CodeElementType.ReadStatementEnd:
                    codeElement = new ReadStatementEnd();
                    break;

                case CodeElementType.ReturnStatementEnd:
                    codeElement = new ReturnStatementEnd();
                    break;

                case CodeElementType.RewriteStatementEnd:
                    codeElement = new RewriteStatementEnd();
                    break;

                case CodeElementType.SearchStatementEnd:
                    codeElement = new SearchStatementEnd();
                    break;

                case CodeElementType.StartStatementEnd:
                    codeElement = new StartStatementEnd();
                    break;

                case CodeElementType.StringStatementEnd:
                    codeElement = new StringStatementEnd();
                    break;

                case CodeElementType.SubtractStatementEnd:
                    codeElement = new SubtractStatementEnd();
                    break;

                case CodeElementType.UnstringStatementEnd:
                    codeElement = new UnstringStatementEnd();
                    break;

                case CodeElementType.WriteStatementEnd:
                    codeElement = new WriteStatementEnd();
                    break;

                case CodeElementType.XmlStatementEnd:
                    codeElement = new XmlStatementEnd();
                    break;

                case CodeElementType.LibraryCopy:
                    codeElement = new LibraryCopyCodeElement();
                    break;

                case CodeElementType.FunctionDeclarationHeader:
                    codeElement = new FunctionDeclarationHeader(null, AccessModifier.Private, FunctionType.Undefined);
                    break;

                case CodeElementType.FunctionDeclarationEnd:
                    codeElement = new FunctionDeclarationEnd();
                    break;

                default:
                    throw new NotImplementedException();
                }
                if (lastTokenBeforeError != null)
                {
                    var missingToken = new MissingToken(TokenType.InvalidToken, informationText, lastTokenBeforeError.TokensLine, lastTokenBeforeError.StopIndex);
                    codeElement.ConsumedTokens.Add(missingToken);
                }
                return(codeElement);
            }
Beispiel #16
0
 public override object VisitStopStatement(StopStatement stopStatement, object data)
 {
     return(base.VisitStopStatement(stopStatement, data));
 }
 public void VBNetStopStatementTest()
 {
     StopStatement stopStatement = ParseUtilVBNet.ParseStatement <StopStatement>("Stop");
 }
		public virtual object TrackedVisitStopStatement(StopStatement stopStatement, object data) {
			return base.VisitStopStatement(stopStatement, data);
		}