trycatchstatement.cs

来自「全功能c#编译器」· CS 代码 · 共 129 行

using System;
using System.Diagnostics;
using System.Collections;
using System.Collections.Generic;

namespace ICSharpCode.CsVbRefactory.Parser.AST 
{
	public class TryCatchStatement : Statement
	{
		Statement         statementBlock;
		List<CatchClause> catchClauses;
		Statement         finallyBlock;
		
		public Statement StatementBlock {
			get {
				return statementBlock;
			}
			set {
				statementBlock = value == null ? Statement.Null : value;
			}
		}
		
		public List<CatchClause> CatchClauses {
			get {
				return catchClauses;
			}
			set {
				catchClauses = value == null ? new List<CatchClause>(1) : value;
			}
		}
		
		public Statement FinallyBlock {
			get {
				return finallyBlock;
			}
			set {
				finallyBlock = value == null ? Statement.Null : value;
			}
		}
		
		public TryCatchStatement(Statement statementBlock, List<CatchClause> catchClauses, Statement finallyBlock)
		{
			this.StatementBlock = statementBlock;
			this.CatchClauses = catchClauses;
			this.FinallyBlock = finallyBlock;
		}
		
		public TryCatchStatement(Statement statementBlock, List<CatchClause> catchClauses) : this(statementBlock, catchClauses, null)
		{
		}
		
		public override object AcceptVisitor(IASTVisitor visitor, object data)
		{
			return visitor.Visit(this, data);
		}
		
		public override string ToString()
		{
			return String.Format("[TryCatchStatement: StatementBlock={0}, CatchClauses={1}, FinallyBlock={2}]",
			                     statementBlock,
			                     GetCollectionString(catchClauses),
			                     finallyBlock);
		}
	}
	
	public class CatchClause : AbstractNode
	{
		string    type = "";
		string    variableName = "";
		Statement statementBlock;
		
		public string Type {
			get {
				return type;
			}
			set {
				Debug.Assert(value != null);
				type = value;
			}
		}
		
		public string VariableName {
			get {
				return variableName;
			}
			set {
				Debug.Assert(value != null);
				variableName = value;
			}
		}
		
		public Statement StatementBlock {
			get {
				return statementBlock;
			}
			set {
				statementBlock = value;
			}
		}
		
		public CatchClause(string type, string variableName, Statement statementBlock)
		{
			this.type = type;
			this.variableName = variableName;
			this.statementBlock = statementBlock;
		}
		
		public CatchClause(Statement statementBlock)
		{
			this.type         = "";
			this.variableName = "";
			this.statementBlock = statementBlock;
		}
		
		public override object AcceptVisitor(IASTVisitor visitor, object data)
		{
			return visitor.Visit(this, data);
		}
		
		public override string ToString()
		{
			return String.Format("[CatchClause: Type={0}, VariableName={1}, StatementBlock={2}]", 
			                     type,
			                     variableName,
			                     statementBlock);
		}
	}
}