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));
}
public override DbgDotNetCompilationResult CompileExpression(DbgEvaluationInfo evalInfo, DbgModuleReference[] references, DbgDotNetAlias[] aliases, string expression, DbgEvaluationOptions options)
{
GetCompilationState <VisualBasicEvalContextState>(evalInfo, references, out var langDebugInfo, out var method, out var methodToken, out var localVarSigTok, out var state, out var metadataBlocks, out var methodVersion);
var getMethodDebugInfo = CreateGetMethodDebugInfo(state, langDebugInfo);
var evalCtx = EvaluationContext.CreateMethodContext(state.MetadataContext, metadataBlocks, null, getMethodDebugInfo, method.Module.Mvid ?? Guid.Empty, methodToken, methodVersion, langDebugInfo.ILOffset, localVarSigTok);
return(CompileExpressionCore(aliases, expression, options, state, evalCtx, evalInfo.CancellationToken));
}
public override DbgDotNetCompilationResult CompileExpression(DbgEvaluationContext context, DbgStackFrame frame, DbgModuleReference[] references, DbgDotNetAlias[] aliases, string expression, DbgEvaluationOptions options, CancellationToken cancellationToken)
{
GetCompilationState <CSharpEvalContextState>(context, frame, references, out var langDebugInfo, out var method, out var localVarSigTok, out var state, out var metadataBlocks, out var methodVersion);
var getMethodDebugInfo = CreateGetMethodDebugInfo(state, langDebugInfo);
var evalCtx = EvaluationContext.CreateMethodContext(state.MetadataContext, metadataBlocks, getMethodDebugInfo, method.Module.Mvid ?? Guid.Empty, method.MDToken.ToInt32(), methodVersion, langDebugInfo.ILOffset, localVarSigTok);
return(CompileExpressionCore(aliases, expression, options, state, metadataBlocks, evalCtx, false, cancellationToken));
}
public override DbgDotNetCompilationResult CompileAssignment(DbgEvaluationInfo evalInfo, DbgModuleReference[] references, DbgDotNetAlias[] aliases, string target, string expression, DbgEvaluationOptions options)
{
GetCompilationState <VisualBasicEvalContextState>(evalInfo, references, out var langDebugInfo, out var method, out var methodToken, out var localVarSigTok, out var state, out var metadataBlocks, out var methodVersion);
var getMethodDebugInfo = CreateGetMethodDebugInfo(state, langDebugInfo);
var evalCtx = EvaluationContext.CreateMethodContext(state.MetadataContext, metadataBlocks, null, getMethodDebugInfo, method.Module.Mvid ?? Guid.Empty, methodToken, methodVersion, langDebugInfo.ILOffset, localVarSigTok);
state.MetadataContext = new VisualBasicMetadataContext(evalCtx.Compilation, evalCtx);
var compileResult = evalCtx.CompileAssignment(target, expression, CreateAliases(aliases), out var resultProperties, out var errorMessage);
return(CreateCompilationResult(target, compileResult, resultProperties, errorMessage, DbgDotNetText.Empty));
}
public override DbgDotNetCompilationResult CompileGetLocals(DbgEvaluationContext context, DbgStackFrame frame, DbgModuleReference[] references, DbgEvaluationOptions options, CancellationToken cancellationToken)
{
GetCompilationState <CSharpEvalContextState>(context, frame, references, out var langDebugInfo, out var method, out var localVarSigTok, out var state, out var metadataBlocks, out var methodVersion);
var getMethodDebugInfo = CreateGetMethodDebugInfo(state, langDebugInfo);
var evalCtx = EvaluationContext.CreateMethodContext(state.MetadataContext, metadataBlocks, getMethodDebugInfo, method.Module.Mvid ?? Guid.Empty, method.MDToken.ToInt32(), methodVersion, langDebugInfo.ILOffset, localVarSigTok);
state.MetadataContext = new CSharpMetadataContext(metadataBlocks, evalCtx);
var asmBytes = evalCtx.CompileGetLocals(false, ImmutableArray <Alias> .Empty, out var localsInfo, out var typeName, out var errorMessage);
return(CreateCompilationResult(state, asmBytes, typeName, localsInfo, errorMessage));
}
public override DbgDotNetCompilationResult CompileAssignment(DbgEvaluationContext context, DbgStackFrame frame, DbgModuleReference[] references, DbgDotNetAlias[] aliases, string target, string expression, DbgEvaluationOptions options, CancellationToken cancellationToken)
{
GetCompilationState <CSharpEvalContextState>(context, frame, references, out var langDebugInfo, out var method, out var localVarSigTok, out var state, out var metadataBlocks, out var methodVersion);
var getMethodDebugInfo = CreateGetMethodDebugInfo(state, langDebugInfo);
var evalCtx = EvaluationContext.CreateMethodContext(state.MetadataContext, metadataBlocks, getMethodDebugInfo, method.Module.Mvid ?? Guid.Empty, method.MDToken.ToInt32(), methodVersion, langDebugInfo.ILOffset, localVarSigTok);
state.MetadataContext = new CSharpMetadataContext(metadataBlocks, evalCtx);
var compileResult = evalCtx.CompileAssignment(target, expression, CreateAliases(aliases), out var resultProperties, out var errorMessage);
return(CreateCompilationResult(target, compileResult, resultProperties, errorMessage, DbgDotNetText.Empty));
}
private static ExpressionCompiler.CreateContextDelegate CreateMethodContextFactory(
Guid moduleVersionId,
ISymUnmanagedReader symReader,
int methodToken,
int localSignatureToken)
{
return((blocks, useReferencedModulesOnly) => EvaluationContext.CreateMethodContext(
ToCompilation(blocks, useReferencedModulesOnly, moduleVersionId),
symReader,
moduleVersionId,
methodToken,
methodVersion: 1,
ilOffset: 0,
localSignatureToken: localSignatureToken));
}
private static void TupleContextNoSystemRuntime(string source, string methodName, string expression, string expectedIL,
LanguageVersion languageVersion = LanguageVersion.CSharp7)
{
var comp = CreateCompilationWithMscorlib40(source, parseOptions: TestOptions.Regular.WithLanguageVersion(languageVersion),
references: new[] { SystemRuntimeFacadeRef, ValueTupleRef }, options: TestOptions.DebugDll);
using (var systemRuntime = SystemRuntimeFacadeRef.ToModuleInstance())
{
WithRuntimeInstance(comp, new[] { MscorlibRef, ValueTupleRef }, runtime =>
{
ImmutableArray <MetadataBlock> blocks;
Guid moduleVersionId;
ISymUnmanagedReader symReader;
int methodToken;
int localSignatureToken;
GetContextState(runtime, methodName, out blocks, out moduleVersionId, out symReader, out methodToken, out localSignatureToken);
string errorMessage;
CompilationTestData testData;
int retryCount = 0;
var compileResult = ExpressionCompilerTestHelpers.CompileExpressionWithRetry(
runtime.Modules.Select(m => m.MetadataBlock).ToImmutableArray(),
expression,
ImmutableArray <Alias> .Empty,
(b, u) => EvaluationContext.CreateMethodContext(
b.ToCompilation(default(Guid), MakeAssemblyReferencesKind.AllAssemblies),
symReader,
moduleVersionId,
methodToken,
methodVersion: 1,
ilOffset: 0,
localSignatureToken: localSignatureToken),
(AssemblyIdentity assemblyIdentity, out uint uSize) =>
{
retryCount++;
Assert.Equal("System.Runtime", assemblyIdentity.Name);
var block = systemRuntime.MetadataBlock;
uSize = (uint)block.Size;
return(block.Pointer);
},
errorMessage: out errorMessage,
testData: out testData);
Assert.Equal(1, retryCount);
testData.GetMethodData("<>x.<>m0").VerifyIL(expectedIL);
});
}
}
public override DbgDotNetCompilationResult CompileGetLocals(DbgEvaluationInfo evalInfo, DbgModuleReference[] references, DbgEvaluationOptions options)
{
GetCompilationState <CSharpEvalContextState>(evalInfo, references, out var langDebugInfo, out var method, out var methodToken, out var localVarSigTok, out var state, out var metadataBlocks, out var methodVersion);
if ((options & DbgEvaluationOptions.RawLocals) == 0)
{
var getMethodDebugInfo = CreateGetMethodDebugInfo(state, langDebugInfo);
var evalCtx = EvaluationContext.CreateMethodContext(state.MetadataContext, metadataBlocks, getMethodDebugInfo, method.Module.Mvid ?? Guid.Empty, methodToken, methodVersion, langDebugInfo.ILOffset, localVarSigTok);
state.MetadataContext = new CSharpMetadataContext(evalCtx.Compilation, evalCtx);
var asmBytes = evalCtx.CompileGetLocals(false, ImmutableArray <Alias> .Empty, out var localsInfo, out var typeName, out var errorMessage);
var res = CreateCompilationResult(state, asmBytes, typeName, localsInfo, errorMessage);
if (!res.IsError)
{
return(res);
}
}
return(CompileGetLocals(state, method));
}
public override DbgDotNetCompilationResult CompileExpression(DbgEvaluationContext context, DbgStackFrame frame, DbgModuleReference[] references, DbgDotNetAlias[] aliases, string expression, DbgEvaluationOptions options, CancellationToken cancellationToken)
{
GetCompilationState <VisualBasicEvalContextState>(context, frame, references, out var langDebugInfo, out var method, out var localVarSigTok, out var state, out var metadataBlocks, out var methodVersion);
var getMethodDebugInfo = CreateGetMethodDebugInfo(state, langDebugInfo);
var evalCtx = EvaluationContext.CreateMethodContext(state.MetadataContext, metadataBlocks, null, getMethodDebugInfo, method.Module.Mvid ?? Guid.Empty, method.MDToken.ToInt32(), methodVersion, langDebugInfo.ILOffset, localVarSigTok);
state.MetadataContext = new VisualBasicMetadataContext(metadataBlocks, evalCtx);
var compilationFlags = DkmEvaluationFlags.None;
if ((options & DbgEvaluationOptions.Expression) != 0)
{
compilationFlags |= DkmEvaluationFlags.TreatAsExpression;
}
var compileResult = evalCtx.CompileExpression(expression, compilationFlags, CreateAliases(aliases), out var resultProperties, out var errorMessage);
return(CreateCompilationResult(expression, compileResult, resultProperties, errorMessage, GetExpressionText(expression)));
}
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 IntrinsicMethods()
{
var sourceA =
@"public class A { }";
var sourceB =
@"public class A { }
public class B
{
static void M(A a)
{
}
}";
var compilationA = CreateCompilationWithMscorlibAndSystemCore(sourceA, options: TestOptions.DebugDll);
var moduleA = compilationA.ToModuleInstance();
var compilationB = CreateCompilationWithMscorlibAndSystemCore(sourceB, options: TestOptions.DebugDll, references: new[] { moduleA.GetReference() });
var moduleB = compilationB.ToModuleInstance();
var runtime = CreateRuntimeInstance(new[]
{
MscorlibRef.ToModuleInstance(),
SystemCoreRef.ToModuleInstance(),
moduleA,
moduleB,
ExpressionCompilerTestHelpers.IntrinsicAssemblyReference.ToModuleInstance()
});
ImmutableArray <MetadataBlock> blocks;
Guid moduleVersionId;
ISymUnmanagedReader symReader;
int methodToken;
int localSignatureToken;
GetContextState(runtime, "B.M", out blocks, out moduleVersionId, out symReader, out methodToken, out localSignatureToken);
var aliases = ImmutableArray.Create(
ExceptionAlias(typeof(ArgumentException)),
ReturnValueAlias(2, typeof(string)),
ObjectIdAlias(1, typeof(object)));
int attempts = 0;
EvaluationContextBase contextFactory(ImmutableArray <MetadataBlock> b, bool u)
{
attempts++;
return(EvaluationContext.CreateMethodContext(
ToCompilation(b, u, moduleVersionId),
symReader,
moduleVersionId,
methodToken,
methodVersion: 1,
ilOffset: 0,
localSignatureToken: localSignatureToken));
}
string errorMessage;
CompilationTestData testData;
ExpressionCompilerTestHelpers.CompileExpressionWithRetry(
blocks,
"(object)new A() ?? $exception ?? $1 ?? $ReturnValue2",
aliases,
contextFactory,
getMetaDataBytesPtr: null,
errorMessage: out errorMessage,
testData: out testData);
Assert.Null(errorMessage);
Assert.Equal(2, attempts);
var methodData = testData.GetMethodData("<>x.<>m0");
methodData.VerifyIL(
@"{
// Code size 49 (0x31)
.maxstack 2
IL_0000: newobj ""A..ctor()""
IL_0005: dup
IL_0006: brtrue.s IL_0030
IL_0008: pop
IL_0009: call ""System.Exception Microsoft.VisualStudio.Debugger.Clr.IntrinsicMethods.GetException()""
IL_000e: castclass ""System.ArgumentException""
IL_0013: dup
IL_0014: brtrue.s IL_0030
IL_0016: pop
IL_0017: ldstr ""$1""
IL_001c: call ""object Microsoft.VisualStudio.Debugger.Clr.IntrinsicMethods.GetObjectByAlias(string)""
IL_0021: dup
IL_0022: brtrue.s IL_0030
IL_0024: pop
IL_0025: ldc.i4.2
IL_0026: call ""object Microsoft.VisualStudio.Debugger.Clr.IntrinsicMethods.GetReturnValue(int)""
IL_002b: castclass ""string""
IL_0030: ret
}");
}
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);
}
public void IntrinsicMethods()
{
var sourceA =
@"public class A { }";
var sourceB =
@"public class A { }
public class B
{
static void M(A a)
{
}
}";
var assemblyNameA = ExpressionCompilerUtilities.GenerateUniqueName();
var compilationA = CreateCompilationWithMscorlibAndSystemCore(sourceA, options: TestOptions.DebugDll, assemblyName: assemblyNameA);
byte[] exeBytesA;
byte[] pdbBytesA;
ImmutableArray <MetadataReference> referencesA;
compilationA.EmitAndGetReferences(out exeBytesA, out pdbBytesA, out referencesA);
var referenceA = AssemblyMetadata.CreateFromImage(exeBytesA).GetReference(display: assemblyNameA);
var identityA = referenceA.GetAssemblyIdentity();
var moduleA = referenceA.ToModuleInstance(exeBytesA, new SymReader(pdbBytesA));
var assemblyNameB = ExpressionCompilerUtilities.GenerateUniqueName();
var compilationB = CreateCompilationWithMscorlibAndSystemCore(sourceB, options: TestOptions.DebugDll, assemblyName: assemblyNameB, references: new[] { referenceA });
byte[] exeBytesB;
byte[] pdbBytesB;
ImmutableArray <MetadataReference> referencesB;
compilationB.EmitAndGetReferences(out exeBytesB, out pdbBytesB, out referencesB);
var referenceB = AssemblyMetadata.CreateFromImage(exeBytesB).GetReference(display: assemblyNameB);
var moduleB = referenceB.ToModuleInstance(exeBytesB, new SymReader(pdbBytesB));
var moduleBuilder = ArrayBuilder <ModuleInstance> .GetInstance();
moduleBuilder.AddRange(referencesA.Select(r => r.ToModuleInstance(null, null)));
moduleBuilder.Add(moduleA);
moduleBuilder.Add(moduleB);
moduleBuilder.Add(ExpressionCompilerTestHelpers.IntrinsicAssemblyReference.ToModuleInstance(fullImage: null, symReader: null));
var modules = moduleBuilder.ToImmutableAndFree();
using (var runtime = new RuntimeInstance(modules))
{
ImmutableArray <MetadataBlock> blocks;
Guid moduleVersionId;
ISymUnmanagedReader symReader;
int methodToken;
int localSignatureToken;
GetContextState(runtime, "B.M", out blocks, out moduleVersionId, out symReader, out methodToken, out localSignatureToken);
var aliases = ImmutableArray.Create(
ExceptionAlias(typeof(ArgumentException)),
ReturnValueAlias(2, typeof(string)),
ObjectIdAlias(1, typeof(object)));
int attempts = 0;
ExpressionCompiler.CreateContextDelegate contextFactory = (b, u) =>
{
attempts++;
return(EvaluationContext.CreateMethodContext(
ToCompilation(b, u, moduleVersionId),
symReader,
moduleVersionId,
methodToken,
methodVersion: 1,
ilOffset: 0,
localSignatureToken: localSignatureToken));
};
string errorMessage;
CompilationTestData testData;
ExpressionCompilerTestHelpers.CompileExpressionWithRetry(
blocks,
"(object)new A() ?? $exception ?? $1 ?? $ReturnValue2",
aliases,
contextFactory,
getMetaDataBytesPtr: null,
errorMessage: out errorMessage,
testData: out testData);
Assert.Null(errorMessage);
Assert.Equal(2, attempts);
var methodData = testData.GetMethodData("<>x.<>m0");
methodData.VerifyIL(
@"{
// Code size 49 (0x31)
.maxstack 2
IL_0000: newobj ""A..ctor()""
IL_0005: dup
IL_0006: brtrue.s IL_0030
IL_0008: pop
IL_0009: call ""System.Exception Microsoft.VisualStudio.Debugger.Clr.IntrinsicMethods.GetException()""
IL_000e: castclass ""System.ArgumentException""
IL_0013: dup
IL_0014: brtrue.s IL_0030
IL_0016: pop
IL_0017: ldstr ""$1""
IL_001c: call ""object Microsoft.VisualStudio.Debugger.Clr.IntrinsicMethods.GetObjectByAlias(string)""
IL_0021: dup
IL_0022: brtrue.s IL_0030
IL_0024: pop
IL_0025: ldc.i4.2
IL_0026: call ""object Microsoft.VisualStudio.Debugger.Clr.IntrinsicMethods.GetReturnValue(int)""
IL_002b: castclass ""string""
IL_0030: ret
}");
}
}
