/// <summary>
/// Generates CIL for the expression.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Generate a new method.
this.context.GenerateCode();
// Add the generated method to the nested function list.
if (optimizationInfo.NestedFunctions == null)
{
optimizationInfo.NestedFunctions = new List <GeneratedMethod>();
}
optimizationInfo.NestedFunctions.Add(this.context.GeneratedMethod);
// Add all the nested methods to the parent list.
if (this.context.GeneratedMethod.Dependencies != null)
{
foreach (var nestedFunctionExpression in this.context.GeneratedMethod.Dependencies)
{
optimizationInfo.NestedFunctions.Add(nestedFunctionExpression);
}
}
// Store the generated method in the cache.
long generatedMethodID = GeneratedMethod.Save(this.context.GeneratedMethod);
// Create a UserDefinedFunction.
// prototype
EmitHelpers.LoadScriptEngine(generator);
generator.Call(ReflectionHelpers.ScriptEngine_Function);
generator.Call(ReflectionHelpers.FunctionInstance_InstancePrototype);
// name
if (this.context.DeclarationType == FunctionDeclarationType.Getter)
{
generator.LoadString("get " + this.FunctionName);
}
else if (this.context.DeclarationType == FunctionDeclarationType.Setter)
{
generator.LoadString("set " + this.FunctionName);
}
else
{
generator.LoadString(this.FunctionName);
}
// argumentNames
generator.LoadInt32(this.Arguments.Count);
generator.NewArray(typeof(string));
for (int i = 0; i < this.Arguments.Count; i++)
{
generator.Duplicate();
generator.LoadInt32(i);
generator.LoadString(this.Arguments[i].Name);
generator.StoreArrayElement(typeof(string));
}
// scope
EmitHelpers.LoadScope(generator);
// bodyText
generator.LoadString(this.BodyText);
// body
generator.LoadInt64(generatedMethodID);
generator.Call(ReflectionHelpers.GeneratedMethod_Load);
// strictMode
generator.LoadBoolean(this.context.StrictMode);
// new UserDefinedFunction(ObjectInstance prototype, string name, IList<string> argumentNames, DeclarativeScope scope, Func<Scope, object, object[], object> body, bool strictMode)
generator.NewObject(ReflectionHelpers.UserDefinedFunction_Constructor);
}
/// <summary>
/// Generates CIL for the expression.
/// </summary>
/// <param name="generator"> The generator to output the CIL to. </param>
/// <param name="optimizationInfo"> Information about any optimizations that should be performed. </param>
public override void GenerateCode(ILGenerator generator, OptimizationInfo optimizationInfo)
{
// Generate a new method.
this.context.GenerateCode();
// Add the generated method to the nested function list.
if (optimizationInfo.NestedFunctions == null)
{
optimizationInfo.NestedFunctions = new List <GeneratedMethod>();
}
optimizationInfo.NestedFunctions.Add(this.context.GeneratedMethod);
// Add all the nested methods to the parent list.
if (this.context.GeneratedMethod.Dependencies != null)
{
foreach (var nestedFunctionExpression in this.context.GeneratedMethod.Dependencies)
{
optimizationInfo.NestedFunctions.Add(nestedFunctionExpression);
}
}
// Store the generated method in the cache.
long generatedMethodID = GeneratedMethod.Save(this.context.GeneratedMethod);
// Create a UserDefinedFunction.
// prototype
EmitHelpers.LoadScriptEngine(generator);
generator.Call(ReflectionHelpers.ScriptEngine_Function);
generator.Call(ReflectionHelpers.FunctionInstance_InstancePrototype);
// name
string prefix = null;
if (Name.IsGetter)
{
prefix = "get ";
}
else if (Name.IsSetter)
{
prefix = "set ";
}
if (Name.HasStaticName)
{
generator.LoadString(prefix + Name.StaticName);
}
else
{
// Compute the name at runtime.
if (prefix != null)
{
generator.LoadString(prefix);
}
Name.ComputedName.GenerateCode(generator, optimizationInfo);
EmitConversion.ToString(generator, Name.ComputedName.ResultType);
if (prefix != null)
{
generator.CallStatic(ReflectionHelpers.String_Concat_String_String);
}
}
// argumentNames
generator.LoadInt32(this.Arguments.Count);
generator.NewArray(typeof(string));
for (int i = 0; i < this.Arguments.Count; i++)
{
generator.Duplicate();
generator.LoadInt32(i);
generator.LoadString(this.Arguments[i].Name);
generator.StoreArrayElement(typeof(string));
}
// scope
Scope.GenerateReference(generator, optimizationInfo);
// bodyText
generator.LoadString(this.BodyText);
// body
generator.LoadInt64(generatedMethodID);
generator.Call(ReflectionHelpers.GeneratedMethod_Load);
// strictMode
generator.LoadBoolean(this.context.StrictMode);
// container
if (ContainerVariable != null)
{
generator.LoadVariable(ContainerVariable);
}
else
{
generator.LoadNull();
}
// CreateFunction(ObjectInstance prototype, string name, IList<string> argumentNames,
// RuntimeScope scope, Func<Scope, object, object[], object> body,
// bool strictMode, FunctionInstance container)
generator.CallStatic(ReflectionHelpers.ReflectionHelpers_CreateFunction);
}