internal ILBuilder(ITokenDeferral module, LocalSlotManager localSlotManager, OptimizationLevel optimizations)
{
Debug.Assert(BitConverter.IsLittleEndian);
this.module = module;
this.LocalSlotManager = localSlotManager;
_emitState = default(EmitState);
_scopeManager = new LocalScopeManager();
leaderBlock = _currentBlock = _scopeManager.CreateBlock(this);
_labelInfos = new SmallDictionary<object, LabelInfo>(ReferenceEqualityComparer.Instance);
_optimizations = optimizations;
}
internal ILBuilder(ITokenDeferral module, LocalSlotManager localSlotManager, bool isOptimizing)
{
Debug.Assert(BitConverter.IsLittleEndian);
this.module = module;
this.LocalSlotManager = localSlotManager;
this.emitState = default(EmitState);
this.scopeManager = new LocalScopeManager();
leaderBlock = currentBlock = this.scopeManager.CreateBlock(this);
labelInfos = new SmallDictionary<object, LabelInfo>(ReferenceEqualityComparer.Instance);
this.isOptimizing = isOptimizing;
}
/// <summary>
/// Generates method body that calls another method.
/// Used for wrapping a method call into a method, e.g. an entry point.
/// </summary>
internal static MethodBody GenerateMethodBody(
PEModuleBuilder moduleBuilder,
MethodSymbol routine,
Action <ILBuilder> builder,
VariableSlotAllocator variableSlotAllocatorOpt,
DiagnosticBag diagnostics,
bool emittingPdb)
{
var compilation = moduleBuilder.Compilation;
var localSlotManager = new LocalSlotManager(variableSlotAllocatorOpt);
var optimizations = compilation.Options.OptimizationLevel;
DebugDocumentProvider debugDocumentProvider = null;
if (emittingPdb)
{
debugDocumentProvider = (path, basePath) =>
{
if (path.IsPharFile())
{
path = PhpFileUtilities.BuildPharStubFileName(path);
}
return(moduleBuilder.DebugDocumentsBuilder.GetOrAddDebugDocument(
path,
basePath,
normalizedPath => CreateDebugSourceDocument(normalizedPath, routine)));
};
}
ILBuilder il = new ILBuilder(moduleBuilder, localSlotManager, optimizations.AsOptimizationLevel());
try
{
StateMachineMoveNextBodyDebugInfo stateMachineMoveNextDebugInfo = null;
builder(il);
//
il.Realize();
//
var localVariables = il.LocalSlotManager.LocalsInOrder();
if (localVariables.Length > 0xFFFE)
{
//diagnosticsForThisMethod.Add(ErrorCode.ERR_TooManyLocals, method.Locations.First());
}
//if (diagnosticsForThisMethod.HasAnyErrors())
//{
// // we are done here. Since there were errors we should not emit anything.
// return null;
//}
//// We will only save the IL builders when running tests.
//if (moduleBuilder.SaveTestData)
//{
// moduleBuilder.SetMethodTestData(method, builder.GetSnapshot());
//}
// Only compiler-generated MoveNext methods have iterator scopes. See if this is one.
var stateMachineHoistedLocalScopes = default(ImmutableArray <StateMachineHoistedLocalScope>);
//if (isStateMachineMoveNextMethod)
//{
// stateMachineHoistedLocalScopes = builder.GetHoistedLocalScopes();
//}
var stateMachineHoistedLocalSlots = default(ImmutableArray <EncHoistedLocalInfo>);
var stateMachineAwaiterSlots = default(ImmutableArray <Cci.ITypeReference>);
//if (optimizations == OptimizationLevel.Debug && stateMachineTypeOpt != null)
//{
// Debug.Assert(method.IsAsync || method.IsIterator);
// GetStateMachineSlotDebugInfo(moduleBuilder, moduleBuilder.GetSynthesizedFields(stateMachineTypeOpt), variableSlotAllocatorOpt, diagnosticsForThisMethod, out stateMachineHoistedLocalSlots, out stateMachineAwaiterSlots);
// Debug.Assert(!diagnostics.HasAnyErrors());
//}
return(new MethodBody(
il.RealizedIL,
il.MaxStack,
(Cci.IMethodDefinition)routine.PartialDefinitionPart ?? routine,
variableSlotAllocatorOpt?.MethodId ?? new DebugId(0, moduleBuilder.CurrentGenerationOrdinal),
localVariables,
il.RealizedSequencePoints,
debugDocumentProvider,
il.RealizedExceptionHandlers,
il.GetAllScopes(),
il.HasDynamicLocal,
null, // importScopeOpt,
ImmutableArray <LambdaDebugInfo> .Empty, // lambdaDebugInfo,
ImmutableArray <ClosureDebugInfo> .Empty, // closureDebugInfo,
null, //stateMachineTypeOpt?.Name,
stateMachineHoistedLocalScopes,
stateMachineHoistedLocalSlots,
stateMachineAwaiterSlots,
stateMachineMoveNextDebugInfo,
null)); // dynamicAnalysisDataOpt
}
finally
{
// Basic blocks contain poolable builders for IL and sequence points. Free those back
// to their pools.
il.FreeBasicBlocks();
//// Remember diagnostics.
//diagnostics.AddRange(diagnosticsForThisMethod);
//diagnosticsForThisMethod.Free();
}
}
/// <summary>
/// Generates method body that calls another method.
/// Used for wrapping a method call into a method, e.g. an entry point.
/// </summary>
internal static MethodBody GenerateMethodBody(
PEModuleBuilder moduleBuilder,
MethodSymbol routine,
Action<ILBuilder> builder,
VariableSlotAllocator variableSlotAllocatorOpt,
DiagnosticBag diagnostics,
bool emittingPdb)
{
var compilation = moduleBuilder.Compilation;
var localSlotManager = new LocalSlotManager(variableSlotAllocatorOpt);
var optimizations = compilation.Options.OptimizationLevel;
DebugDocumentProvider debugDocumentProvider = null;
if (emittingPdb)
{
debugDocumentProvider = (path, basePath) => moduleBuilder.GetOrAddDebugDocument(path, basePath, CreateDebugDocumentForFile);
}
ILBuilder il = new ILBuilder(moduleBuilder, localSlotManager, optimizations);
try
{
Cci.AsyncMethodBodyDebugInfo asyncDebugInfo = null;
builder(il);
//
il.Realize();
//
var localVariables = il.LocalSlotManager.LocalsInOrder();
if (localVariables.Length > 0xFFFE)
{
//diagnosticsForThisMethod.Add(ErrorCode.ERR_TooManyLocals, method.Locations.First());
}
//if (diagnosticsForThisMethod.HasAnyErrors())
//{
// // we are done here. Since there were errors we should not emit anything.
// return null;
//}
//// We will only save the IL builders when running tests.
//if (moduleBuilder.SaveTestData)
//{
// moduleBuilder.SetMethodTestData(method, builder.GetSnapshot());
//}
// Only compiler-generated MoveNext methods have iterator scopes. See if this is one.
var stateMachineHoistedLocalScopes = default(ImmutableArray<Cci.StateMachineHoistedLocalScope>);
//if (isStateMachineMoveNextMethod)
//{
// stateMachineHoistedLocalScopes = builder.GetHoistedLocalScopes();
//}
var stateMachineHoistedLocalSlots = default(ImmutableArray<EncHoistedLocalInfo>);
var stateMachineAwaiterSlots = default(ImmutableArray<Cci.ITypeReference>);
//if (optimizations == OptimizationLevel.Debug && stateMachineTypeOpt != null)
//{
// Debug.Assert(method.IsAsync || method.IsIterator);
// GetStateMachineSlotDebugInfo(moduleBuilder, moduleBuilder.GetSynthesizedFields(stateMachineTypeOpt), variableSlotAllocatorOpt, diagnosticsForThisMethod, out stateMachineHoistedLocalSlots, out stateMachineAwaiterSlots);
// Debug.Assert(!diagnostics.HasAnyErrors());
//}
return new MethodBody(
il.RealizedIL,
il.MaxStack,
(Cci.IMethodDefinition)routine.PartialDefinitionPart ?? routine,
variableSlotAllocatorOpt?.MethodId ?? new DebugId(0, moduleBuilder.CurrentGenerationOrdinal),
localVariables,
il.RealizedSequencePoints,
debugDocumentProvider,
il.RealizedExceptionHandlers,
il.GetAllScopes(),
il.HasDynamicLocal,
null, // importScopeOpt,
ImmutableArray<LambdaDebugInfo>.Empty, // lambdaDebugInfo,
ImmutableArray<ClosureDebugInfo>.Empty, // closureDebugInfo,
null, //stateMachineTypeOpt?.Name,
stateMachineHoistedLocalScopes,
stateMachineHoistedLocalSlots,
stateMachineAwaiterSlots,
asyncDebugInfo);
}
finally
{
// Basic blocks contain poolable builders for IL and sequence points. Free those back
// to their pools.
il.FreeBasicBlocks();
//// Remember diagnostics.
//diagnostics.AddRange(diagnosticsForThisMethod);
//diagnosticsForThisMethod.Free();
}
}
