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git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.1@2517 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61shortcuts
Daniel Grunwald
18 years ago
17 changed files with 1296 additions and 991 deletions
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Daniel Grunwald"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using ICSharpCode.NRefactory.Ast; |
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using ICSharpCode.NRefactory.Parser; |
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namespace ICSharpCode.NRefactory |
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{ |
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/// <summary>
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/// The snippet parser supports parsing code snippets that are not valid as a full compilation unit.
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/// </summary>
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public class SnippetParser |
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{ |
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readonly SupportedLanguage language; |
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public SnippetParser(SupportedLanguage language) |
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{ |
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this.language = language; |
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} |
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Errors errors; |
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List<ISpecial> specials; |
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/// <summary>
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/// Gets the errors of the last call to Parse(). Returns null if parse was not yet called.
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/// </summary>
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public Errors Errors { |
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get { return errors; } |
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} |
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/// <summary>
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/// Gets the specials of the last call to Parse(). Returns null if parse was not yet called.
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/// </summary>
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public List<ISpecial> Specials { |
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get { return specials; } |
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} |
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/// <summary>
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/// Parse the code. The result may be a CompilationUnit, an Expression, a BlockStatement or a list of class
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/// members.
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/// </summary>
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public INode Parse(string code) |
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{ |
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IParser parser = ParserFactory.CreateParser(language, new StringReader(code)); |
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parser.Parse(); |
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errors = parser.Errors; |
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specials = parser.Lexer.SpecialTracker.RetrieveSpecials(); |
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INode result = parser.CompilationUnit; |
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if (errors.Count > 0) { |
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parser = ParserFactory.CreateParser(language, new StringReader(code)); |
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Expression expression = parser.ParseExpression(); |
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if (expression != null && parser.Errors.Count < errors.Count) { |
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errors = parser.Errors; |
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specials = parser.Lexer.SpecialTracker.RetrieveSpecials(); |
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result = expression; |
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} |
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} |
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if (errors.Count > 0) { |
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parser = ParserFactory.CreateParser(language, new StringReader(code)); |
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BlockStatement block = parser.ParseBlock(); |
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if (block != null && parser.Errors.Count < errors.Count) { |
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errors = parser.Errors; |
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specials = parser.Lexer.SpecialTracker.RetrieveSpecials(); |
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result = block; |
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} |
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} |
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if (errors.Count > 0) { |
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parser = ParserFactory.CreateParser(language, new StringReader(code)); |
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List<INode> members = parser.ParseTypeMembers(); |
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if (members != null && members.Count > 0 && parser.Errors.Count < errors.Count) { |
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errors = parser.Errors; |
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specials = parser.Lexer.SpecialTracker.RetrieveSpecials(); |
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result = new MemberListNode(members); |
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} |
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} |
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return result; |
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} |
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sealed class MemberListNode : INode |
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{ |
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List<INode> members; |
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public MemberListNode(List<INode> members) |
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{ |
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this.members = members; |
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} |
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public INode Parent { |
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get { return null; } |
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set { throw new NotSupportedException(); } |
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} |
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public List<INode> Children { |
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get { return members; } |
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} |
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public Location StartLocation { |
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get { return Location.Empty; } |
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set { throw new NotSupportedException(); } |
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} |
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public Location EndLocation { |
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get { return Location.Empty; } |
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set { throw new NotSupportedException(); } |
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} |
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public object AcceptChildren(IAstVisitor visitor, object data) |
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{ |
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foreach (INode n in members) { |
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n.AcceptVisitor(visitor, data); |
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} |
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return null; |
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} |
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public object AcceptVisitor(IAstVisitor visitor, object data) |
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{ |
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return AcceptChildren(visitor, data); |
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} |
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} |
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} |
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} |
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@@ -0,0 +1,107 @@
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="Daniel Grunwald"/>
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// <version>$Revision$</version>
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// </file>
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using System; |
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using NUnit.Framework; |
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using ICSharpCode.NRefactory.Ast; |
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using ICSharpCode.NRefactory.Visitors; |
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using ICSharpCode.NRefactory.PrettyPrinter; |
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namespace ICSharpCode.NRefactory.Tests.Output |
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{ |
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[TestFixture] |
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public class SnippetConversion |
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{ |
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void CS2VB(string input, string expectedOutput) |
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{ |
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SnippetParser parser = new SnippetParser(SupportedLanguage.CSharp); |
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INode node = parser.Parse(input); |
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Assert.IsNotNull(node); |
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Assert.AreEqual("", parser.Errors.ErrorOutput); |
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PreprocessingDirective.CSharpToVB(parser.Specials); |
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node.AcceptVisitor(new CSharpConstructsVisitor(), null); |
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node.AcceptVisitor(new ToVBNetConvertVisitor(), null); |
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VBNetOutputVisitor output = new VBNetOutputVisitor(); |
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using (SpecialNodesInserter.Install(parser.Specials, output)) { |
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node.AcceptVisitor(output, null); |
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} |
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Assert.AreEqual("", output.Errors.ErrorOutput); |
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Assert.AreEqual(expectedOutput, output.Text); |
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} |
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[Test] |
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public void CompilationUnitCS2VB() |
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{ |
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CS2VB( |
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@"using System;
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public class MyClass |
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{ |
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string abc; |
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public string Abc { get { return abc; } } |
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// This is a test method
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static void M<T>(params T[] args) where T : IDisposable |
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{ |
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Console.WriteLine(""Hello!""); |
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} |
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}",
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@"Imports System
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Public Class [MyClass] |
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Private m_abc As String |
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Public ReadOnly Property Abc() As String |
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Get |
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Return m_abc |
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End Get |
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End Property |
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' This is a test method |
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Private Shared Sub M(Of T As IDisposable)(ParamArray args As T()) |
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Console.WriteLine(""Hello!"") |
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End Sub |
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End Class |
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"
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); |
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} |
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[Test] |
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public void TypeMembersCS2VB() |
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{ |
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CS2VB( |
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"void Test() {}\n" + |
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"void Test2() {}", |
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@"Private Sub Test()
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End Sub |
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Private Sub Test2() |
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End Sub |
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"
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); |
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} |
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[Test] |
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public void StatementsCS2VB() |
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{ |
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CS2VB( |
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"int a = 3;\n" + |
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"a++;", |
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@"Dim a As Integer = 3
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a += 1 |
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"
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); |
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} |
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} |
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} |
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