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C# ForStatement类代码示例

本文整理汇总了C#中ForStatement的典型用法代码示例。如果您正苦于以下问题:C# ForStatement类的具体用法?C# ForStatement怎么用?C# ForStatement使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


ForStatement类属于命名空间,在下文中一共展示了ForStatement类的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: VisitForStatement

 public override void VisitForStatement(ForStatement forStatement)
 {
     if (findReturn)
     {
         base.VisitForStatement(forStatement);
     }
 }
开发者ID:TinkerWorX,项目名称:Bridge,代码行数:7,代码来源:LambdaVisitor.cs

示例2: Run

		public void Run (RefactoringContext context)
		{
			var foreachStatement = GetForeachStatement (context);
			
			var result = context.ResolveType (foreachStatement.InExpression);
			var countProperty = GetCountProperty (result);
			
			var initializer = new VariableDeclarationStatement (new PrimitiveType ("int"), "i", new PrimitiveExpression (0));
			var id1 = new IdentifierExpression ("i");
			var id2 = id1.Clone ();
			var id3 = id1.Clone ();
			
			var forStatement = new ForStatement () {
				Initializers = { initializer },
				Condition = new BinaryOperatorExpression (id1, BinaryOperatorType.LessThan, new MemberReferenceExpression (foreachStatement.InExpression.Clone (), countProperty)),
				Iterators = { new ExpressionStatement (new UnaryOperatorExpression (UnaryOperatorType.PostIncrement, id2)) },
				EmbeddedStatement = new BlockStatement {
					new VariableDeclarationStatement (foreachStatement.VariableType.Clone (), foreachStatement.VariableName, new IndexerExpression (foreachStatement.InExpression.Clone (), id3))
				}
			};
			
			if (foreachStatement.EmbeddedStatement is BlockStatement) {
				foreach (var child in ((BlockStatement)foreachStatement.EmbeddedStatement).Statements) {
					forStatement.EmbeddedStatement.AddChild (child.Clone (), BlockStatement.StatementRole);
				}
			} else {
				forStatement.EmbeddedStatement.AddChild (foreachStatement.EmbeddedStatement.Clone (), BlockStatement.StatementRole);
			}
			
			using (var script = context.StartScript ()) {
				script.Replace (foreachStatement, forStatement);
				script.Link (initializer.Variables.First ().NameToken, id1, id2, id3);
			}
		}
开发者ID:hduregger,项目名称:monodevelop,代码行数:34,代码来源:ConvertForeachToFor.cs

示例3: VisitForStatement

        public override void VisitForStatement(ForStatement node)
        {
            VisitChildren(node);

            // Special-case constant conditions
            var constant = BoolConstant(node.Condition);
            if (constant == true) {
                node.Condition.Remove();
            }

            ReplaceBlockWithSingleStatement(node.EmbeddedStatement);
        }
开发者ID:evanw,项目名称:minisharp,代码行数:12,代码来源:Mangle.cs

示例4: VisitForStatement

			public override void VisitForStatement (ForStatement forStatement)
			{
				base.VisitForStatement (forStatement);

				if (forStatement.Initializers.Count != 1)
					return;
				var variableDecl = forStatement.Initializers.First () as VariableDeclarationStatement;
				if (variableDecl == null)
					return;

				VariableInitializer controlVariable = null;
				if (forStatement.Condition is BinaryOperatorExpression) {
					controlVariable = GetControlVariable (variableDecl, (BinaryOperatorExpression)forStatement.Condition);
				} else if (forStatement.Condition is UnaryOperatorExpression) {
					controlVariable = GetControlVariable (variableDecl, (UnaryOperatorExpression)forStatement.Condition);
				} else if (forStatement.Condition is IdentifierExpression) {
					controlVariable = variableDecl.Variables.FirstOrDefault (
						v => v.Name == ((IdentifierExpression)forStatement.Condition).Identifier);
				}

				if (controlVariable == null)
					return;

				var localResolveResult = ctx.Resolve (controlVariable) as LocalResolveResult;
				if (localResolveResult == null)
					return;

				var results = ctx.FindReferences (forStatement, localResolveResult.Variable);
				var modified = false;
				foreach (var result in results) {
					if (modified)
						break;
					var node = result.Node;
					var unary = node.Parent as UnaryOperatorExpression;
					if (unary != null && unary.Expression == node) {
						modified = unary.Operator == UnaryOperatorType.Decrement ||
							unary.Operator == UnaryOperatorType.PostDecrement ||
							unary.Operator == UnaryOperatorType.Increment ||
							unary.Operator == UnaryOperatorType.PostIncrement;
						continue;
					}

					var assignment = node.Parent as AssignmentExpression;
					modified = assignment != null && assignment.Left == node;
				}

				if (!modified)
					AddIssue (controlVariable.NameToken,
						ctx.TranslateString ("'for' loop control variable is never modified"));

			}
开发者ID:RainsSoft,项目名称:playscript-monodevelop,代码行数:51,代码来源:ForControlVariableNotModifiedIssue.cs

示例5: GetActions

		public IEnumerable<CodeAction> GetActions(RefactoringContext context)
		{
			var foreachStatement = GetForeachStatement(context);
			if (foreachStatement == null) {
				yield break;
			}
			yield return new CodeAction(context.TranslateString("Convert 'foreach' loop to 'for'"), script => {
				var result = context.Resolve(foreachStatement.InExpression);
				var countProperty = GetCountProperty(result.Type);
				
				// TODO: use another variable name if 'i' is already in use
				var initializer = new VariableDeclarationStatement(new PrimitiveType("int"), "i", new PrimitiveExpression(0));
				var id1 = new IdentifierExpression("i");
				var id2 = id1.Clone();
				var id3 = id1.Clone();
				
				var variableDeclarationStatement = new VariableDeclarationStatement(
					foreachStatement.VariableType.Clone(),
					foreachStatement.VariableName,
					new IndexerExpression(foreachStatement.InExpression.Clone(), id3)
				);
				var forStatement = new ForStatement() {
					Initializers = { initializer },
					Condition = new BinaryOperatorExpression (id1, BinaryOperatorType.LessThan, new MemberReferenceExpression (foreachStatement.InExpression.Clone (), countProperty)),
					Iterators = { new ExpressionStatement (new UnaryOperatorExpression (UnaryOperatorType.PostIncrement, id2)) },
					EmbeddedStatement = new BlockStatement {
						variableDeclarationStatement
					}
				};
				
				if (foreachStatement.EmbeddedStatement is BlockStatement) {
					variableDeclarationStatement.Remove();
					var oldBlock = (BlockStatement)foreachStatement.EmbeddedStatement.Clone();
					if (oldBlock.Statements.Any()) {
						oldBlock.Statements.InsertBefore(oldBlock.Statements.First(), variableDeclarationStatement);
					} else {
						oldBlock.Statements.Add(variableDeclarationStatement);
					}
					forStatement.EmbeddedStatement = oldBlock;
				} else {
					forStatement.EmbeddedStatement.AddChild (foreachStatement.EmbeddedStatement.Clone (), BlockStatement.StatementRole);
				}
				script.Replace (foreachStatement, forStatement);
				script.Link (initializer.Variables.First ().NameToken, id1, id2, id3);
			});
		}
开发者ID:adisik,项目名称:simple-assembly-explorer,代码行数:46,代码来源:ConvertForeachToForAction.cs

示例6: Visit

			public override object Visit (For forStatement)
			{
				var result = new ForStatement ();
				
				var location = LocationsBag.GetLocations (forStatement);
				
				result.AddChild (new CSharpTokenNode (Convert (forStatement.loc), "for".Length), ForStatement.Roles.Keyword);
				if (location != null)
					result.AddChild (new CSharpTokenNode (Convert (location[0]), 1), ForStatement.Roles.LPar);
				if (forStatement.InitStatement != null)
					result.AddChild ((INode)forStatement.InitStatement.Accept (this), ForStatement.Roles.Initializer);
				if (location != null)
					result.AddChild (new CSharpTokenNode (Convert (location[1]), 1), ForStatement.Roles.Semicolon);
				if (forStatement.Test != null)
					result.AddChild ((INode)forStatement.Test.Accept (this), ForStatement.Roles.Condition);
				if (location != null)
					result.AddChild (new CSharpTokenNode (Convert (location[2]), 1), ForStatement.Roles.Semicolon);
				if (forStatement.Increment != null)
					result.AddChild ((INode)forStatement.Increment.Accept (this), ForStatement.Roles.Iterator);
				if (location != null)
					result.AddChild (new CSharpTokenNode (Convert (location[3]), 1), ForStatement.Roles.RPar);
				
				result.AddChild ((INode)forStatement.Statement.Accept (this), ForStatement.Roles.EmbeddedStatement);
				
				return result;
			}
开发者ID:pgoron,项目名称:monodevelop,代码行数:26,代码来源:CSharpParser.cs

示例7: VisitForStatement

		public virtual void VisitForStatement (ForStatement forStatement)
		{
			VisitChildren (forStatement);
		}
开发者ID:modulexcite,项目名称:ICSharpCode.Decompiler-retired,代码行数:4,代码来源:DepthFirstAstVisitor.cs

示例8: AddStatementOrList

			void AddStatementOrList(ForStatement forStatement, Mono.CSharp.Statement init, Role<Statement> role)
			{
				if (init == null)
					return;
				var stmtList = init as StatementList;
				if (stmtList != null) {
					foreach (var stmt in stmtList.Statements) {
						forStatement.AddChild((Statement)stmt.Accept(this), role);
					}
				} else if (init is Mono.CSharp.EmptyStatement) {
					
				} else {
					forStatement.AddChild((Statement)init.Accept(this), role);
				}
			}
开发者ID:0xb1dd1e,项目名称:NRefactory,代码行数:15,代码来源:CSharpParser.cs

示例9: Walk

 // ForStatement
 public override bool Walk(ForStatement node) { return false; }
开发者ID:jxnmaomao,项目名称:ironruby,代码行数:2,代码来源:PythonWalker.Generated.cs

示例10: VisitForStatement

		public override void VisitForStatement(ForStatement forStatement) {
			// Initializer. In case we need more than one statement, put all other statements just before this loop.
			JsStatement initializer;
			if (forStatement.Initializers.Count == 1 && forStatement.Initializers.First() is VariableDeclarationStatement) {
				forStatement.Initializers.First().AcceptVisitor(this);
				initializer = _result[_result.Count - 1];
				_result.RemoveAt(_result.Count - 1);
			}
			else {
				JsExpression initExpr = null;
				foreach (var init in forStatement.Initializers) {
					var compiledInit = CompileExpression(((ExpressionStatement)init).Expression, CompileExpressionFlags.None);
					if (compiledInit.AdditionalStatements.Count == 0) {
						initExpr = (initExpr != null ? JsExpression.Comma(initExpr, compiledInit.Expression) : compiledInit.Expression);
					}
					else {
						if (initExpr != null)
							_result.Add(initExpr);
						_result.AddRange(compiledInit.AdditionalStatements);
						initExpr = compiledInit.Expression;
					}
				}
				initializer = (initExpr != null ? (JsStatement)initExpr : JsStatement.Empty);
			}

			// Condition
			JsExpression condition;
			List<JsStatement> preBody = null;
			if (!forStatement.Condition.IsNull) {
				var compiledCondition = CompileExpression(forStatement.Condition, CompileExpressionFlags.ReturnValueIsImportant);
				if (compiledCondition.AdditionalStatements.Count == 0) {
					condition = compiledCondition.Expression;
				}
				else {
					// The condition requires additional statements. Transform "for (int i = 0; i < (SomeProperty = 1); i++) { ... }" to "for (var i = 0;; i++) { this.set_SomeProperty(1); if (!(i < 1)) { break; } ... }
					preBody = new List<JsStatement>();
					preBody.AddRange(compiledCondition.AdditionalStatements);
					preBody.Add(JsStatement.If(JsExpression.LogicalNot(compiledCondition.Expression), JsStatement.Break(), null));
					condition = null;
				}
			}
			else {
				condition = null;
			}

			// Iterators
			JsExpression iterator = null;
			List<JsStatement> postBody = null;
			if (forStatement.Iterators.Count > 0) {
				var compiledIterators = forStatement.Iterators.Select(i => CompileExpression(((ExpressionStatement)i).Expression, CompileExpressionFlags.None)).ToList();
				if (compiledIterators.All(i => i.AdditionalStatements.Count == 0)) {
					// No additional statements are required, add them as a single comma-separated expression to the JS iterator.
					iterator = compiledIterators.Aggregate(iterator, (current, i) => (current != null ? JsExpression.Comma(current, i.Expression) : i.Expression));
				}
				else {
					// At least one of the compiled iterators need additional statements. We could add the last expressions that don't need extra statements to the iterators section of the for loop, but for simplicity we'll just add everything to the end of the loop.
					postBody = new List<JsStatement>();
					foreach (var i in compiledIterators) {
						postBody.AddRange(i.AdditionalStatements);
						postBody.Add(i.Expression);
					}
				}
			}

			// Body
			var body = CreateInnerCompiler().Compile(forStatement.EmbeddedStatement);

			if (preBody != null || postBody != null) {
				body = JsStatement.Block(((IEnumerable<JsStatement>)preBody ?? new JsStatement[0]).Concat(body.Statements).Concat((IEnumerable<JsStatement>)postBody ?? new JsStatement[0]));
			}

			_result.Add(JsStatement.For(initializer, condition, iterator, body));
		}
开发者ID:chenxustu1,项目名称:SaltarelleCompiler,代码行数:73,代码来源:StatementCompiler.cs

示例11: performAction

 /**
  * Call back method that must be called when the given <code>ForStatement
  * </code> will become the next <i>traverse candidate</i>.
  *
  * @param pForStatement  The <code>ForStatement</code> object that will
  *                       become the next <i>traverse candidate</i>.
  */
 public void performAction(
      ForStatement pForStatement)
 {
     // Nothing to do.
 }
开发者ID:smartmobili,项目名称:parsing,代码行数:12,代码来源:TraverseActionAdapter.cs

示例12: VisitForStatement

		public override void VisitForStatement(ForStatement forStatement)
		{
			foreach (AstNode node in forStatement.Children) {
				if (node.Role == Roles.Semicolon) {
					if (node.NextSibling is CSharpTokenNode || node.NextSibling is EmptyStatement) {
						continue;
					}
					ForceSpacesBefore(node, policy.SpaceBeforeForSemicolon);
					ForceSpacesAfter(node, policy.SpaceAfterForSemicolon);
				}
			}

			ForceSpacesBefore(forStatement.LParToken, policy.SpaceBeforeForParentheses);

			ForceSpacesAfter(forStatement.LParToken, policy.SpacesWithinForParentheses);
			ForceSpacesBefore(forStatement.RParToken, policy.SpacesWithinForParentheses);

			FixEmbeddedStatment(policy.StatementBraceStyle, policy.ForBraceForcement, forStatement.EmbeddedStatement);
		}
开发者ID:txdv,项目名称:monodevelop,代码行数:19,代码来源:AstFormattingVisitor.cs

示例13: VisitFor

 public void VisitFor(ForStatement f)
 {
     w.Write("for");
     w.Write(" ");
     f.exprs.Write(writer);
     w.Write(" ");
     w.Write("in");
     w.Write(" ");
     f.tests.Write(writer);
     w.WriteLine(":");
     ++w.IndentLevel;
     f.Body.Accept(this);
     --w.IndentLevel;
 }
开发者ID:uxmal,项目名称:pytocs,代码行数:14,代码来源:PyStatementWriter.cs

示例14: GetActions

		public override IEnumerable<CodeAction> GetActions(RefactoringContext context)
		{
			bool hasIndexAccess;
			var foreachStatement = GetForeachStatement(context, out hasIndexAccess);
			if (foreachStatement == null || foreachStatement.EmbeddedStatement == null)
				yield break;
			var state = context.GetResolverStateBefore (foreachStatement.EmbeddedStatement);
			string name = GetName(state, VariableNames);
			if (name == null) // very unlikely, but just in case ...
				yield break;

			yield return new CodeAction(context.TranslateString("Convert 'foreach' loop to 'for'"), script => {
				var result = context.Resolve(foreachStatement.InExpression);
				var countProperty = GetCountProperty(result.Type);
				var inExpression = foreachStatement.InExpression;

				var initializer = hasIndexAccess ? new VariableDeclarationStatement(new PrimitiveType("int"), name, new PrimitiveExpression(0)) :
				                  new VariableDeclarationStatement(new SimpleType("var"), name, new InvocationExpression(new MemberReferenceExpression (inExpression.Clone (), "GetEnumerator")));
				var id1 = new IdentifierExpression(name);
				var id2 = id1.Clone();
				var id3 = id1.Clone();
				Statement declarationStatement = null;
				if (inExpression is ObjectCreateExpression || inExpression is ArrayCreateExpression) {
					string listName = GetName(state, CollectionNames) ?? "col";
					declarationStatement = new VariableDeclarationStatement (
						new PrimitiveType ("var"),
						listName,
						inExpression.Clone ()
					);
					inExpression = new IdentifierExpression (listName);
				}

				var variableDeclarationStatement = new VariableDeclarationStatement(
					foreachStatement.VariableType.Clone(),
					foreachStatement.VariableName,
					hasIndexAccess ? (Expression)new IndexerExpression(inExpression.Clone(), id3) : new MemberReferenceExpression(id1, "Current")
				);

				var forStatement = new ForStatement {
					Initializers = { initializer },
					Condition = hasIndexAccess ? (Expression)new BinaryOperatorExpression (id1, BinaryOperatorType.LessThan, new MemberReferenceExpression (inExpression.Clone (), countProperty)) :
					            new InvocationExpression(new MemberReferenceExpression (id2, "MoveNext")),
					EmbeddedStatement = new BlockStatement {
						variableDeclarationStatement
					}
				};

				if (hasIndexAccess)
					forStatement.Iterators.Add(new UnaryOperatorExpression (UnaryOperatorType.PostIncrement, id2));

				if (foreachStatement.EmbeddedStatement is BlockStatement) {
					variableDeclarationStatement.Remove();
					var oldBlock = (BlockStatement)foreachStatement.EmbeddedStatement.Clone();
					if (oldBlock.Statements.Any()) {
						oldBlock.Statements.InsertBefore(oldBlock.Statements.First(), variableDeclarationStatement);
					} else {
						oldBlock.Statements.Add(variableDeclarationStatement);
					}
					forStatement.EmbeddedStatement = oldBlock;
				} else {
					forStatement.EmbeddedStatement.AddChild (foreachStatement.EmbeddedStatement.Clone (), BlockStatement.StatementRole);
				}
				if (declarationStatement != null)
					script.InsertBefore (foreachStatement, declarationStatement);
				script.Replace (foreachStatement, forStatement);
				if (hasIndexAccess) {
					script.Link (initializer.Variables.First ().NameToken, id1, id2, id3);
				} else {
					script.Link (initializer.Variables.First ().NameToken, id1, id2);
				}
			}, foreachStatement);

			if (!hasIndexAccess)
				yield break;
			yield return new CodeAction(context.TranslateString("Convert 'foreach' loop to optimized 'for'"), script => {
				var result = context.Resolve(foreachStatement.InExpression);
				var countProperty = GetCountProperty(result.Type);

				var initializer = new VariableDeclarationStatement(new PrimitiveType("int"), name, new PrimitiveExpression(0));
				var id1 = new IdentifierExpression(name);
				var id2 = id1.Clone();
				var id3 = id1.Clone();
				var inExpression = foreachStatement.InExpression;
				Statement declarationStatement = null;
				if (inExpression is ObjectCreateExpression || inExpression is ArrayCreateExpression) {
					string listName = GetName(state, CollectionNames) ?? "col";
					declarationStatement = new VariableDeclarationStatement (
						new PrimitiveType ("var"),
						listName,
						inExpression.Clone ()
						);
					inExpression = new IdentifierExpression (listName);
				}

				var variableDeclarationStatement = new VariableDeclarationStatement(
					foreachStatement.VariableType.Clone(),
					foreachStatement.VariableName,
					new IndexerExpression(inExpression.Clone(), id3)
					);

//.........这里部分代码省略.........
开发者ID:sphynx79,项目名称:dotfiles,代码行数:101,代码来源:ConvertForeachToForAction.cs

示例15: GenerateForTuple

 private void GenerateForTuple(ForStatement f, List<Exp> ids)
 {
     var localVar = GenSymLocalTuple();
     var v = f.tests.Accept(xlat);
     gen.Foreach(localVar, v, () =>
     {
         EmitTupleFieldAssignments(ids, localVar);
         f.Body.Accept(this);
     });
 }
开发者ID:uxmal,项目名称:pytocs,代码行数:10,代码来源:StatementTranslator.cs


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