Пример #1
0
        internal static EvaluationContext CreateMethodContext(
            RuntimeInstance runtime,
            string methodName,
            int atLineNumber = -1)
        {
            ImmutableArray <MetadataBlock> blocks;
            Guid moduleVersionId;
            ISymUnmanagedReader symReader;
            int methodToken;
            int localSignatureToken;

            GetContextState(runtime, methodName, out blocks, out moduleVersionId, out symReader, out methodToken, out localSignatureToken);

            int ilOffset = ExpressionCompilerTestHelpers.GetOffset(methodToken, symReader, atLineNumber);

            return(EvaluationContext.CreateMethodContext(
                       default(CSharpMetadataContext),
                       blocks,
                       symReader,
                       moduleVersionId,
                       methodToken: methodToken,
                       methodVersion: 1,
                       ilOffset: ilOffset,
                       localSignatureToken: localSignatureToken));
        }
Пример #2
0
        public void AssemblyDuplicateReferences()
        {
            var sourceA =
                @"public class A
{
}";
            var sourceB =
                @"public class B
{
    public A F = new A();
}";
            var sourceC =
                @"class C
{
    private B F = new B();
    static void M()
    {
    }
}";
            // Assembly A, multiple versions, strong name.
            var assemblyNameA  = ExpressionCompilerUtilities.GenerateUniqueName();
            var publicKeyA     = ImmutableArray.CreateRange(new byte[] { 0x00, 0x24, 0x00, 0x00, 0x04, 0x80, 0x00, 0x00, 0x94, 0x00, 0x00, 0x00, 0x06, 0x02, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x52, 0x53, 0x41, 0x31, 0x00, 0x04, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0xED, 0xD3, 0x22, 0xCB, 0x6B, 0xF8, 0xD4, 0xA2, 0xFC, 0xCC, 0x87, 0x37, 0x04, 0x06, 0x04, 0xCE, 0xE7, 0xB2, 0xA6, 0xF8, 0x4A, 0xEE, 0xF3, 0x19, 0xDF, 0x5B, 0x95, 0xE3, 0x7A, 0x6A, 0x28, 0x24, 0xA4, 0x0A, 0x83, 0x83, 0xBD, 0xBA, 0xF2, 0xF2, 0x52, 0x20, 0xE9, 0xAA, 0x3B, 0xD1, 0xDD, 0xE4, 0x9A, 0x9A, 0x9C, 0xC0, 0x30, 0x8F, 0x01, 0x40, 0x06, 0xE0, 0x2B, 0x95, 0x62, 0x89, 0x2A, 0x34, 0x75, 0x22, 0x68, 0x64, 0x6E, 0x7C, 0x2E, 0x83, 0x50, 0x5A, 0xCE, 0x7B, 0x0B, 0xE8, 0xF8, 0x71, 0xE6, 0xF7, 0x73, 0x8E, 0xEB, 0x84, 0xD2, 0x73, 0x5D, 0x9D, 0xBE, 0x5E, 0xF5, 0x90, 0xF9, 0xAB, 0x0A, 0x10, 0x7E, 0x23, 0x48, 0xF4, 0xAD, 0x70, 0x2E, 0xF7, 0xD4, 0x51, 0xD5, 0x8B, 0x3A, 0xF7, 0xCA, 0x90, 0x4C, 0xDC, 0x80, 0x19, 0x26, 0x65, 0xC9, 0x37, 0xBD, 0x52, 0x81, 0xF1, 0x8B, 0xCD });
            var compilationAS1 = CreateCompilation(
                new AssemblyIdentity(assemblyNameA, new Version(1, 1, 1, 1), cultureName: "", publicKeyOrToken: publicKeyA, hasPublicKey: true),
                new[] { sourceA },
                references: new[] { MscorlibRef },
                options: TestOptions.DebugDll.WithDelaySign(true));
            var referenceAS1   = compilationAS1.EmitToImageReference();
            var identityAS1    = referenceAS1.GetAssemblyIdentity();
            var compilationAS2 = CreateCompilation(
                new AssemblyIdentity(assemblyNameA, new Version(2, 1, 1, 1), cultureName: "", publicKeyOrToken: publicKeyA, hasPublicKey: true),
                new[] { sourceA },
                references: new[] { MscorlibRef },
                options: TestOptions.DebugDll.WithDelaySign(true));
            var referenceAS2 = compilationAS2.EmitToImageReference();
            var identityAS2  = referenceAS2.GetAssemblyIdentity();

            // Assembly B, multiple versions, not strong name.
            var assemblyNameB  = ExpressionCompilerUtilities.GenerateUniqueName();
            var compilationBN1 = CreateCompilation(
                new AssemblyIdentity(assemblyNameB, new Version(1, 1, 1, 1)),
                new[] { sourceB },
                references: new[] { MscorlibRef, referenceAS1 },
                options: TestOptions.DebugDll);
            var referenceBN1   = compilationBN1.EmitToImageReference();
            var identityBN1    = referenceBN1.GetAssemblyIdentity();
            var compilationBN2 = CreateCompilation(
                new AssemblyIdentity(assemblyNameB, new Version(2, 2, 2, 1)),
                new[] { sourceB },
                references: new[] { MscorlibRef, referenceAS1 },
                options: TestOptions.DebugDll);
            var referenceBN2 = compilationBN2.EmitToImageReference();
            var identityBN2  = referenceBN2.GetAssemblyIdentity();

            // Assembly B, multiple versions, strong name.
            var publicKeyB     = ImmutableArray.CreateRange(new byte[] { 0x00, 0x24, 0x00, 0x00, 0x04, 0x80, 0x00, 0x00, 0x94, 0x00, 0x00, 0x00, 0x06, 0x02, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x53, 0x52, 0x41, 0x31, 0x00, 0x04, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0xED, 0xD3, 0x22, 0xCB, 0x6B, 0xF8, 0xD4, 0xA2, 0xFC, 0xCC, 0x87, 0x37, 0x04, 0x06, 0x04, 0xCE, 0xE7, 0xB2, 0xA6, 0xF8, 0x4A, 0xEE, 0xF3, 0x19, 0xDF, 0x5B, 0x95, 0xE3, 0x7A, 0x6A, 0x28, 0x24, 0xA4, 0x0A, 0x83, 0x83, 0xBD, 0xBA, 0xF2, 0xF2, 0x52, 0x20, 0xE9, 0xAA, 0x3B, 0xD1, 0xDD, 0xE4, 0x9A, 0x9A, 0x9C, 0xC0, 0x30, 0x8F, 0x01, 0x40, 0x06, 0xE0, 0x2B, 0x95, 0x62, 0x89, 0x2A, 0x34, 0x75, 0x22, 0x68, 0x64, 0x6E, 0x7C, 0x2E, 0x83, 0x50, 0x5A, 0xCE, 0x7B, 0x0B, 0xE8, 0xF8, 0x71, 0xE6, 0xF7, 0x73, 0x8E, 0xEB, 0x84, 0xD2, 0x73, 0x5D, 0x9D, 0xBE, 0x5E, 0xF5, 0x90, 0xF9, 0xAB, 0x0A, 0x10, 0x7E, 0x23, 0x48, 0xF4, 0xAD, 0x70, 0x2E, 0xF7, 0xD4, 0x51, 0xD5, 0x8B, 0x3A, 0xF7, 0xCA, 0x90, 0x4C, 0xDC, 0x80, 0x19, 0x26, 0x65, 0xC9, 0x37, 0xBD, 0x52, 0x81, 0xF1, 0x8B, 0xCD });
            var compilationBS1 = CreateCompilation(
                new AssemblyIdentity(assemblyNameB, new Version(1, 1, 1, 1), cultureName: "", publicKeyOrToken: publicKeyB, hasPublicKey: true),
                new[] { sourceB },
                references: new[] { MscorlibRef, referenceAS1 },
                options: TestOptions.DebugDll.WithDelaySign(true));
            var referenceBS1   = compilationBS1.EmitToImageReference();
            var identityBS1    = referenceBS1.GetAssemblyIdentity();
            var compilationBS2 = CreateCompilation(
                new AssemblyIdentity(assemblyNameB, new Version(2, 2, 2, 1), cultureName: "", publicKeyOrToken: publicKeyB, hasPublicKey: true),
                new[] { sourceB },
                references: new[] { MscorlibRef, referenceAS2 },
                options: TestOptions.DebugDll.WithDelaySign(true));
            var referenceBS2 = compilationBS2.EmitToImageReference();
            var identityBS2  = referenceBS2.GetAssemblyIdentity();

            var mscorlibIdentity    = MscorlibRef.GetAssemblyIdentity();
            var mscorlib20Identity  = MscorlibRef_v20.GetAssemblyIdentity();
            var systemRefIdentity   = SystemRef.GetAssemblyIdentity();
            var systemRef20Identity = SystemRef_v20.GetAssemblyIdentity();

            // No duplicates.
            VerifyAssemblyReferences(
                referenceBN1,
                ImmutableArray.Create(MscorlibRef, referenceAS1, referenceBN1),
                ImmutableArray.Create(mscorlibIdentity, identityAS1, identityBN1));
            // No duplicates, extra references.
            VerifyAssemblyReferences(
                referenceAS1,
                ImmutableArray.Create(MscorlibRef, referenceBN1, referenceAS1, referenceBS2),
                ImmutableArray.Create(mscorlibIdentity, identityAS1));
            // Strong-named, non-strong-named, and framework duplicates, same version (no aliases).
            VerifyAssemblyReferences(
                referenceBN2,
                ImmutableArray.Create(MscorlibRef, referenceAS1, MscorlibRef, referenceBN2, referenceBN2, referenceAS1, referenceAS1),
                ImmutableArray.Create(mscorlibIdentity, identityAS1, identityBN2));
            // Strong-named, non-strong-named, and framework duplicates, different versions.
            VerifyAssemblyReferences(
                referenceBN1,
                ImmutableArray.Create(MscorlibRef, referenceAS1, MscorlibRef_v20, referenceAS2, referenceBN2, referenceBN1, referenceAS2, referenceAS1, referenceBN1),
                ImmutableArray.Create(mscorlibIdentity, identityAS2, identityBN2));
            VerifyAssemblyReferences(
                referenceBN2,
                ImmutableArray.Create(MscorlibRef, referenceAS1, MscorlibRef_v20, referenceAS2, referenceBN2, referenceBN1, referenceAS2, referenceAS1, referenceBN1),
                ImmutableArray.Create(mscorlibIdentity, identityAS2, identityBN2));
            // Strong-named, different versions.
            VerifyAssemblyReferences(
                referenceBS1,
                ImmutableArray.Create(MscorlibRef, referenceAS1, referenceAS2, referenceBS2, referenceBS1, referenceAS2, referenceAS1, referenceBS1),
                ImmutableArray.Create(mscorlibIdentity, identityAS2, identityBS2));
            VerifyAssemblyReferences(
                referenceBS2,
                ImmutableArray.Create(MscorlibRef, referenceAS1, referenceAS2, referenceBS2, referenceBS1, referenceAS2, referenceAS1, referenceBS1),
                ImmutableArray.Create(mscorlibIdentity, identityAS2, identityBS2));

            // Assembly C, multiple versions, not strong name.
            var assemblyNameC  = ExpressionCompilerUtilities.GenerateUniqueName();
            var compilationCN1 = CreateCompilation(
                new AssemblyIdentity(assemblyNameC, new Version(1, 1, 1, 1)),
                new[] { sourceC },
                references: new[] { MscorlibRef, referenceBS1 },
                options: TestOptions.DebugDll);

            byte[] exeBytesC1;
            byte[] pdbBytesC1;
            ImmutableArray <MetadataReference> references;

            compilationCN1.EmitAndGetReferences(out exeBytesC1, out pdbBytesC1, out references);
            var compilationCN2 = CreateCompilation(
                new AssemblyIdentity(assemblyNameC, new Version(2, 1, 1, 1)),
                new[] { sourceC },
                references: new[] { MscorlibRef, referenceBS2 },
                options: TestOptions.DebugDll);

            byte[] exeBytesC2;
            byte[] pdbBytesC2;
            compilationCN1.EmitAndGetReferences(out exeBytesC2, out pdbBytesC2, out references);

            // Duplicate assemblies, target module referencing BS1.
            using (var runtime = CreateRuntimeInstance(
                       assemblyNameC,
                       ImmutableArray.Create(MscorlibRef, referenceAS1, referenceAS2, referenceBS2, referenceBS1, referenceBS2),
                       exeBytesC1,
                       new SymReader(pdbBytesC1)))
            {
                ImmutableArray <MetadataBlock> typeBlocks;
                ImmutableArray <MetadataBlock> methodBlocks;
                Guid moduleVersionId;
                ISymUnmanagedReader symReader;
                int typeToken;
                int methodToken;
                int localSignatureToken;
                GetContextState(runtime, "C", out typeBlocks, out moduleVersionId, out symReader, out typeToken, out localSignatureToken);
                GetContextState(runtime, "C.M", out methodBlocks, out moduleVersionId, out symReader, out methodToken, out localSignatureToken);
                int ilOffset = ExpressionCompilerTestHelpers.GetOffset(methodToken, symReader);

                // Compile expression with type context with all modules.
                var context = EvaluationContext.CreateTypeContext(
                    default(CSharpMetadataContext),
                    typeBlocks,
                    moduleVersionId,
                    typeToken);
                string error;
                // A is ambiguous.
                var testData = new CompilationTestData();
                context.CompileExpression("new A()", out error, testData);
                Assert.True(error.StartsWith("error CS0433: The type 'A' exists in both "));
                testData = new CompilationTestData();
                // B is ambiguous.
                context.CompileExpression("new B()", out error, testData);
                Assert.True(error.StartsWith("error CS0433: The type 'B' exists in both "));
                var previous = new CSharpMetadataContext(typeBlocks, context);

                // Compile expression with type context with referenced modules only.
                context = EvaluationContext.CreateTypeContext(
                    typeBlocks.ToCompilationReferencedModulesOnly(moduleVersionId),
                    moduleVersionId,
                    typeToken);
                // A is unrecognized since there were no direct references to AS1 or AS2.
                testData = new CompilationTestData();
                context.CompileExpression("new A()", out error, testData);
                Assert.Equal(error, "error CS0246: The type or namespace name 'A' could not be found (are you missing a using directive or an assembly reference?)");
                testData = new CompilationTestData();
                // B should be resolved to BS2.
                context.CompileExpression("new B()", out error, testData);
                var methodData = testData.GetMethodData("<>x.<>m0");
                methodData.VerifyIL(
                    @"{
  // Code size        6 (0x6)
  .maxstack  1
  IL_0000:  newobj     ""B..ctor()""
  IL_0005:  ret
}");
                Assert.Equal(methodData.Method.ReturnType.ContainingAssembly.ToDisplayString(), identityBS2.GetDisplayName());
                // B.F should result in missing assembly AS2 since there were no direct references to AS2.
                ResultProperties resultProperties;
                ImmutableArray <AssemblyIdentity> missingAssemblyIdentities;
                testData = new CompilationTestData();
                context.CompileExpression(
                    InspectionContextFactory.Empty,
                    "(new B()).F",
                    DkmEvaluationFlags.None,
                    DiagnosticFormatter.Instance,
                    out resultProperties,
                    out error,
                    out missingAssemblyIdentities,
                    EnsureEnglishUICulture.PreferredOrNull,
                    testData);
                AssertEx.Equal(missingAssemblyIdentities, ImmutableArray.Create(identityAS2));

                // Compile expression with method context with all modules.
                context = EvaluationContext.CreateMethodContext(
                    previous,
                    methodBlocks,
                    symReader,
                    moduleVersionId,
                    methodToken: methodToken,
                    methodVersion: 1,
                    ilOffset: ilOffset,
                    localSignatureToken: localSignatureToken);
                Assert.Equal(previous.Compilation, context.Compilation); // re-use type context compilation
                testData = new CompilationTestData();
                // A is ambiguous.
                testData = new CompilationTestData();
                context.CompileExpression("new A()", out error, testData);
                Assert.True(error.StartsWith("error CS0433: The type 'A' exists in both "));
                testData = new CompilationTestData();
                // B is ambiguous.
                context.CompileExpression("new B()", out error, testData);
                Assert.True(error.StartsWith("error CS0433: The type 'B' exists in both "));

                // Compile expression with method context with referenced modules only.
                context = EvaluationContext.CreateMethodContext(
                    methodBlocks.ToCompilationReferencedModulesOnly(moduleVersionId),
                    symReader,
                    moduleVersionId,
                    methodToken: methodToken,
                    methodVersion: 1,
                    ilOffset: ilOffset,
                    localSignatureToken: localSignatureToken);
                // A is unrecognized since there were no direct references to AS1 or AS2.
                testData = new CompilationTestData();
                context.CompileExpression("new A()", out error, testData);
                Assert.Equal(error, "error CS0246: The type or namespace name 'A' could not be found (are you missing a using directive or an assembly reference?)");
                testData = new CompilationTestData();
                // B should be resolved to BS2.
                context.CompileExpression("new B()", out error, testData);
                methodData = testData.GetMethodData("<>x.<>m0");
                methodData.VerifyIL(
                    @"{
  // Code size        6 (0x6)
  .maxstack  1
  IL_0000:  newobj     ""B..ctor()""
  IL_0005:  ret
}");
                Assert.Equal(methodData.Method.ReturnType.ContainingAssembly.ToDisplayString(), identityBS2.GetDisplayName());
                // B.F should result in missing assembly AS2 since there were no direct references to AS2.
                testData = new CompilationTestData();
                context.CompileExpression(
                    InspectionContextFactory.Empty,
                    "(new B()).F",
                    DkmEvaluationFlags.None,
                    DiagnosticFormatter.Instance,
                    out resultProperties,
                    out error,
                    out missingAssemblyIdentities,
                    EnsureEnglishUICulture.PreferredOrNull,
                    testData);
                AssertEx.Equal(missingAssemblyIdentities, ImmutableArray.Create(identityAS2));
            }
        }
        public void CacheInvalidation()
        {
            var source  = @"
using System.Collections.Generic;

class C
{
    static IEnumerable<int> M()
    {
#line 100
        int x = 1;
        yield return x;

        {
#line 200
            int y = x + 1;
            yield return y;
        }
    }
}";
            var comp    = CreateCompilationWithMscorlib(source, options: TestOptions.DebugDll);
            var runtime = CreateRuntimeInstance(comp);

            ImmutableArray <MetadataBlock> blocks;
            Guid moduleVersionId;
            ISymUnmanagedReader symReader;
            int methodToken;
            int localSignatureToken;

            GetContextState(runtime, "C.<M>d__0.MoveNext", out blocks, out moduleVersionId, out symReader, out methodToken, out localSignatureToken);

            uint ilOffset = ExpressionCompilerTestHelpers.GetOffset(methodToken, symReader, atLineNumber: 100);
            var  context  = EvaluationContext.CreateMethodContext(
                default(CSharpMetadataContext),
                blocks,
                symReader,
                moduleVersionId,
                methodToken: methodToken,
                methodVersion: 1,
                ilOffset: ilOffset,
                localSignatureToken: localSignatureToken);

            string error;

            context.CompileExpression("x", out error);
            Assert.Null(error);
            context.CompileExpression("y", out error);
            Assert.Equal("error CS0103: The name 'y' does not exist in the current context", error);

            ilOffset = ExpressionCompilerTestHelpers.GetOffset(methodToken, symReader, atLineNumber: 200);
            context  = EvaluationContext.CreateMethodContext(
                new CSharpMetadataContext(blocks, context),
                blocks,
                symReader,
                moduleVersionId,
                methodToken: methodToken,
                methodVersion: 1,
                ilOffset: ilOffset,
                localSignatureToken: localSignatureToken);

            context.CompileExpression("x", out error);
            Assert.Null(error);
            context.CompileExpression("y", out error);
            Assert.Null(error);
        }