C# IParserContext.ParseFile方法代码示例

		public void SetUp()
		{
			Runtime.Initialize();
			AddinManager.PreloadAddin(null, "MonoDevelop.Projects");

			TextWriter tw = new StreamWriter(testFileName);
			tw.Write(testFileContents);
			tw.Close();

			IParserDatabase pdb = Services.ParserService.CreateParserDatabase();
			parserContext = pdb.GetFileParserContext(testFileName);
			parserContext.ParseFile(testFileName, testFileContents);
		}

//.........这里部分代码省略.........
			this.caretLine     = caretLineNumber;
			this.caretColumn   = caretColumn;
			
			this.parserService = parserService;
			IParseInformation parseInfo = parserService.GetParseInformation(fileName);
			JRefactory.Parser.AST.CompilationUnit fileCompilationUnit = parseInfo.MostRecentCompilationUnit.Tag as JRefactory.Parser.AST.CompilationUnit;
			if (fileCompilationUnit == null) {
//				JRefactory.Parser.Parser fileParser = new JRefactory.Parser.Parser();
//				fileParser.Parse(new Lexer(new StringReader(fileContent)));
				Console.WriteLine("!Warning: no parseinformation!");
				return null;
			}
			/*
			//// try to find last expression in original string, it could be like " if (act!=null) act"
			//// in this case only "act" should be parsed as expression  
			!!is so!! don't change things that work
			Expression expr=null;	// tentative expression
			Lexer l=null;
			JRefactory.Parser.Parser p = new JRefactory.Parser.Parser();
			while (expression.Length > 0) {
				l = new Lexer(new StringReader(expression));
				expr = p.ParseExpression(l);
				if (l.LookAhead.val != "" && expression.LastIndexOf(l.LookAhead.val) >= 0) {
					if (expression.Substring(expression.LastIndexOf(l.LookAhead.val) + l.LookAhead.val.Length).Length > 0) 
						expression=expression.Substring(expression.LastIndexOf(l.LookAhead.val) + l.LookAhead.val.Length).Trim();
					else {
						expression=l.LookAhead.val.Trim();
						l=new Lexer(new StringReader(expression));
						expr=p.ParseExpression(l);
						break;
					}
				} else {
					if (l.Token.val!="" || expr!=null) break;
				}
			}
			//// here last subexpression should be fixed in expr
			if it should be changed in expressionfinder don't fix it here
			*/
			JRefactory.Parser.Parser p = new JRefactory.Parser.Parser();
			Lexer l = new Lexer(new StringReader(expression));
			Expression expr = p.ParseExpression(l);
			if (expr == null) {
				return null;
			}
			lookupTableVisitor = new LookupTableVisitor();
			lookupTableVisitor.Visit(fileCompilationUnit, null);
			
			TypeVisitor typeVisitor = new TypeVisitor(this);
			
			JavaVisitor cSharpVisitor = new JavaVisitor();
			cu = (ICompilationUnit)cSharpVisitor.Visit(fileCompilationUnit, null);
			if (cu != null) {
				callingClass = GetInnermostClass();
				//Console.WriteLine("CallingClass is " + callingClass == null ? "null" : callingClass.Name);
			}
			//Console.WriteLine("expression = " + expr.ToString());
			IReturnType type = expr.AcceptVisitor(typeVisitor, null) as IReturnType;
			//Console.WriteLine("type visited");
			if (type == null || type.PointerNestingLevel != 0) {
//				Console.WriteLine("Type == null || type.PointerNestingLevel != 0");
				if (type != null) {
					//Console.WriteLine("PointerNestingLevel is " + type.PointerNestingLevel);
				} else {
					//Console.WriteLine("Type == null");
				}
				//// when type is null might be file needs to be reparsed - some vars were lost
				fileCompilationUnit=parserService.ParseFile(fileName, fileContent).MostRecentCompilationUnit.Tag 
					as JRefactory.Parser.AST.CompilationUnit;
				lookupTableVisitor.Visit(fileCompilationUnit,null);
				cu = (ICompilationUnit)cSharpVisitor.Visit(fileCompilationUnit, null);
				if (cu != null) {
					callingClass = GetInnermostClass();
				}
				type=expr.AcceptVisitor(typeVisitor,null) as IReturnType;
				if (type==null)	return null;
			}
			if (type.ArrayDimensions != null && type.ArrayDimensions.Length > 0) {
				type = new ReturnType("System.Array");
			}
			Console.WriteLine("Here: Type is " + type.FullyQualifiedName);
			IClass returnClass = SearchType(type.FullyQualifiedName, cu);
			if (returnClass == null) {
				// Try if type is Namespace:
				string n = SearchNamespace(type.FullyQualifiedName, cu);
				if (n == null) {
					return null;
				}
				ArrayList content = parserService.GetNamespaceContents(n);
				ArrayList classes = new ArrayList();
				for (int i = 0; i < content.Count; ++i) {
					if (content[i] is IClass) {
						classes.Add((IClass)content[i]);
					}
				}
				string[] namespaces = parserService.GetNamespaceList(n);
				return new ResolveResult(namespaces, classes);
			}
			Console.WriteLine("Returning Result!");
			return new ResolveResult(returnClass, ListMembers(new ArrayList(), returnClass));
		}