/// <summary>
/// Add fields to the state machine class that control the state machine.
/// </summary>
protected virtual void GenerateControlFields()
{
// Add a field: int _state
var intType = F.SpecialType(SpecialType.System_Int32);
this.stateField = F.StateMachineField(intType, GeneratedNames.MakeStateMachineStateName(), IsStateFieldPublic);
}
internal IteratorConstructor(IteratorStateMachine container)
: base(container)
{
var intType = container.DeclaringCompilation.GetSpecialType(SpecialType.System_Int32);
parameters = ImmutableArray.Create <ParameterSymbol>(
new SynthesizedParameterSymbol(this, intType, 0, RefKind.None, GeneratedNames.MakeStateMachineStateName()));
}
protected BoundStatement Rewrite()
{
if (this.body.HasErrors)
{
return(this.body);
}
TypeMap TypeMap = stateMachineClass.TypeMap;
F.OpenNestedType(stateMachineClass);
F.CompilationState.StateMachineImplementationClass[method] = stateMachineClass;
// Add a field: int _state
var intType = F.SpecialType(SpecialType.System_Int32);
stateField = F.SynthesizeField(intType, GeneratedNames.MakeStateMachineStateName(), isPublic: IsStateFieldPublic);
GenerateFields();
// and fields for the initial values of all the parameters of the method
if (PreserveInitialLocals)
{
initialParameters = new Dictionary <Symbol, CapturedSymbolReplacement>();
}
// add fields for the captured variables of the method
var dictionary = IteratorAndAsyncCaptureWalker.Analyze(compilationState.ModuleBuilder.Compilation, method, body);
IOrderedEnumerable <Symbol> captured =
from local in dictionary.Keys
orderby local.Name, local.Locations.Length == 0 ? 0 : local.Locations[0].SourceSpan.Start
select local;
this.variablesCaptured = new HashSet <Symbol>(captured);
this.variableProxies = new Dictionary <Symbol, CapturedSymbolReplacement>();
CreateInitialProxies(TypeMap, captured, dictionary);
GenerateMethodImplementations();
// Return a replacement body for the original method
return(ReplaceOriginalMethod());
}
protected BoundStatement Rewrite()
{
if (this.body.HasErrors)
{
return(this.body);
}
F.OpenNestedType(stateMachineClass);
// Add a field: int _state
var intType = F.SpecialType(SpecialType.System_Int32);
stateField = F.StateMachineField(intType, GeneratedNames.MakeStateMachineStateName(), IsStateFieldPublic);
GenerateFields();
// and fields for the initial values of all the parameters of the method
if (PreserveInitialParameterValues)
{
initialParameters = new Dictionary <Symbol, CapturedSymbolReplacement>();
}
// add fields for the captured variables of the method
var captured = IteratorAndAsyncCaptureWalker.Analyze(compilationState.ModuleBuilderOpt.Compilation, method, body);
this.variablesCaptured = new HashSet <Symbol>(captured.Keys);
this.variableProxies = new Dictionary <Symbol, CapturedSymbolReplacement>();
CreateInitialProxies(captured);
GenerateMethodImplementations();
// Return a replacement body for the original method
return(ReplaceOriginalMethod());
}