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// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using ICSharpCode.NRefactory.CSharp;
using ICSharpCode.NRefactory.CSharp.Resolver;
using ICSharpCode.NRefactory.Semantics;
using ICSharpCode.NRefactory.TypeSystem;
namespace ICSharpCode.NRefactory.ConsistencyCheck
{
/// <summary>
/// Validates that no compile errors are found in valid code.
/// </summary>
public class ResolverTest
{
public static void RunTest(CSharpFile file)
{
CSharpAstResolver resolver = new CSharpAstResolver(file.Project.Compilation, file.SyntaxTree, file.UnresolvedTypeSystemForFile);
var navigator = new ValidatingResolveAllNavigator(file.FileName);
resolver.ApplyNavigator(navigator, CancellationToken.None);
navigator.Validate(resolver, file.SyntaxTree);
}
class ValidatingResolveAllNavigator : IResolveVisitorNavigator
{
string fileName;
bool allowErrors;
public ValidatingResolveAllNavigator(string fileName)
{
this.fileName = fileName;
// We allow errors in XAML codebehind because we're currently not adding the XAML-generated
// members to the type system.
this.allowErrors = (fileName.Contains(".xaml") || File.Exists(Path.ChangeExtension(fileName, ".xaml")) || fileName.EndsWith("AvalonDockLayout.cs") || fileName.EndsWith("ResourcesFileTreeNode.cs") || fileName.EndsWith("ChangeMarkerMargin.cs"));
}
Dictionary<AstNode, ResolveResult> resolvedNodes = new Dictionary<AstNode, ResolveResult>();
HashSet<ResolveResult> resolveResults = new HashSet<ResolveResult>();
HashSet<AstNode> nodesWithConversions = new HashSet<AstNode>();
public ResolveVisitorNavigationMode Scan(AstNode node)
{
return ResolveVisitorNavigationMode.Resolve;
}
public virtual void Resolved(AstNode node, ResolveResult result)
{
if (resolvedNodes.ContainsKey(node))
throw new InvalidOperationException("Duplicate Resolved() call");
resolvedNodes.Add(node, result);
if (CSharpAstResolver.IsUnresolvableNode(node))
throw new InvalidOperationException("Resolved unresolvable node");
if (!ParenthesizedExpression.ActsAsParenthesizedExpression(node))
if (!resolveResults.Add(result) && result != ErrorResolveResult.UnknownError)
throw new InvalidOperationException("Duplicate resolve result");
if (result.IsError && !allowErrors) {
Console.WriteLine("Compiler error at " + fileName + ":" + node.StartLocation + ": " + result);
}
}
public virtual void ProcessConversion(Expression expression, ResolveResult result, Conversion conversion, IType targetType)
{
if (!nodesWithConversions.Add(expression))
throw new InvalidOperationException("Duplicate ProcessConversion() call");
if (!conversion.IsValid && !allowErrors) {
Console.WriteLine("Compiler error at " + fileName + ":" + expression.StartLocation + ": Cannot convert from " + result + " to " + targetType);
}
}
public virtual void Validate(CSharpAstResolver resolver, SyntaxTree syntaxTree)
{
foreach (AstNode node in syntaxTree.DescendantsAndSelf.Except(resolvedNodes.Keys)) {
if (!CSharpAstResolver.IsUnresolvableNode(node)) {
Console.WriteLine("Forgot to resolve " + node);
}
}
foreach (var pair in resolvedNodes) {
if (resolver.Resolve(pair.Key) != pair.Value)
throw new InvalidOperationException("Inconsistent result");
}
}
}
public static void RunTestWithoutUnresolvedFile(CSharpFile file)
{
CSharpAstResolver resolver = new CSharpAstResolver(file.Project.Compilation, file.SyntaxTree);
var navigator = new ValidatingResolveAllNavigator(file.FileName);
resolver.ApplyNavigator(navigator, CancellationToken.None);
navigator.Validate(resolver, file.SyntaxTree);
CSharpAstResolver originalResolver = new CSharpAstResolver(file.Project.Compilation, file.SyntaxTree, file.UnresolvedTypeSystemForFile);
foreach (var node in file.SyntaxTree.DescendantsAndSelf) {
var originalResult = originalResolver.Resolve(node);
var result = resolver.Resolve(node);
if (!RandomizedOrderResolverTest.IsEqualResolveResult(result, originalResult)) {
Console.WriteLine("Got different without IUnresolvedFile at " + file.FileName + ":" + node.StartLocation);
}
}
}
}
}
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