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Viewing changes to external/nrefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/ParseUtil.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/nrefactory/ICSharpCode.NRefactory.Tests/CSharp/Parser/ParseUtil.cs
 
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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy of this
 
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// software and associated documentation files (the "Software"), to deal in the Software
 
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// without restriction, including without limitation the rights to use, copy, modify, merge,
 
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// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
 
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// to whom the Software is furnished to do so, subject to the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be included in all copies or
 
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// substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 
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// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 
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// DEALINGS IN THE SOFTWARE.
 
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using System;
 
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using System.IO;
 
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using System.Linq;
 
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using ICSharpCode.NRefactory.PatternMatching;
 
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using NUnit.Framework;
 
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namespace ICSharpCode.NRefactory.CSharp.Parser
 
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{
 
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        /// <summary>
 
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        /// Helper methods for parser unit tests.
 
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        /// </summary>
 
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        public static class ParseUtilCSharp
 
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        {
 
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                public static T ParseGlobal<T>(string code, bool expectErrors = false) where T : AstNode
 
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                {
 
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                        CSharpParser parser = new CSharpParser();
 
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                        SyntaxTree syntaxTree = parser.Parse(code);
 
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                        foreach (var error in parser.Errors)
 
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                                Console.WriteLine (error.Message);
 
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                        Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
 
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                        AstNode node = syntaxTree.Children.Single(c => c.Role != Roles.NewLine);
 
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                        Type type = typeof(T);
 
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                        Assert.IsTrue(type.IsAssignableFrom(node.GetType()), String.Format("Parsed node was {0} instead of {1} ({2})", node.GetType(), type, node));
 
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                        return (T)node;
 
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                }
 
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                public static void AssertGlobal(string code, AstNode expectedNode)
 
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                {
 
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                        var node = ParseGlobal<AstNode>(code);
 
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                        if (!expectedNode.IsMatch(node)) {
 
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                                Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedNode), ToCSharp(node));
 
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                        }
 
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                }
 
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                public static T ParseStatement<T>(string stmt, bool expectErrors = false) where T : AstNode
 
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                {
 
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                        CSharpParser parser = new CSharpParser();
 
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                        var statements = parser.ParseStatements(stmt);
 
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                        foreach (var error in parser.Errors)
 
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                                Console.WriteLine (error.Message);
 
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                        Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
 
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                        AstNode statement = statements.Single();
 
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                        Type type = typeof(T);
 
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                        Assert.IsTrue(type.IsAssignableFrom(statement.GetType()), String.Format("Parsed statement was {0} instead of {1} ({2})", statement.GetType(), type, statement));
 
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                        return (T)statement;
 
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                }
 
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                public static void AssertStatement(string code, CSharp.Statement expectedStmt)
 
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                {
 
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                        var stmt = ParseStatement<CSharp.Statement>(code);
 
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                        if (!expectedStmt.IsMatch(stmt)) {
 
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                                Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedStmt), ToCSharp(stmt));
 
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                        }
 
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                }
 
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                public static T ParseExpression<T>(string expr, bool expectErrors = false) where T : AstNode
 
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                {
 
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                        CSharpParser parser = new CSharpParser();
 
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                        AstNode parsedExpression = parser.ParseExpression(expr);
 
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                        foreach (var error in parser.Errors)
 
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                                Console.WriteLine (error.Message);
 
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                        Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
 
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                        if (expectErrors && parsedExpression == null)
 
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                                return default (T);
 
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                        Type type = typeof(T);
 
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                        Assert.IsTrue(type.IsAssignableFrom(parsedExpression.GetType()), String.Format("Parsed expression was {0} instead of {1} ({2})", parsedExpression.GetType(), type, parsedExpression));
 
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                        return (T)parsedExpression;
 
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                }
 
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                public static void AssertExpression(string code, CSharp.Expression expectedExpr)
 
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                {
 
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                        var expr = ParseExpression<CSharp.Expression>(code);
 
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                        if (!expectedExpr.IsMatch(expr)) {
 
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                                Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedExpr), ToCSharp(expr));
 
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                        }
 
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                }
 
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                public static T ParseTypeMember<T>(string expr, bool expectErrors = false) where T : EntityDeclaration
 
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                {
 
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                        CSharpParser parser = new CSharpParser();
 
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                        var members = parser.ParseTypeMembers(expr);
 
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                        foreach (var error in parser.Errors)
 
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                                Console.WriteLine (error.Message);
 
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                        Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
 
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                        EntityDeclaration m = members.Single();
 
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                        Type type = typeof(T);
 
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                        Assert.IsTrue(type.IsAssignableFrom(m.GetType()), String.Format("Parsed member was {0} instead of {1} ({2})", m.GetType(), type, m));
 
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                        return (T)m;
 
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                }
 
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                public static void AssertTypeMember(string code, CSharp.EntityDeclaration expectedMember)
 
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                {
 
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                        var member = ParseTypeMember<CSharp.EntityDeclaration>(code);
 
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                        if (!expectedMember.IsMatch(member)) {
 
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                                Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedMember), ToCSharp(member));
 
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                        }
 
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                }
 
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                public static DocumentationReference ParseDocumentationReference(string cref, bool expectErrors = false)
 
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                {
 
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                        CSharpParser parser = new CSharpParser();
 
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                        var parsedExpression = parser.ParseDocumentationReference(cref);
 
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                        foreach (var error in parser.Errors)
 
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                                Console.WriteLine (error.Message);
 
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                        Assert.AreEqual(expectErrors, parser.HasErrors, "HasErrors");
 
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                        if (expectErrors && parsedExpression == null)
 
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                                return null;
 
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                        return parsedExpression;
 
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                }
 
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                public static void AssertDocumentationReference(string cref, CSharp.DocumentationReference expectedExpr)
 
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                {
 
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                        var expr = ParseDocumentationReference(cref);
 
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                        if (!expectedExpr.IsMatch(expr)) {
 
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                                Assert.Fail("Expected '{0}' but was '{1}'", ToCSharp(expectedExpr), ToCSharp(expr));
 
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                        }
 
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                }
 
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                static string ToCSharp(AstNode node)
 
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                {
 
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                        return node.GetText();
 
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                }
 
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        }
 
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}