internal void create_closure(EmitContext ec)
{
string name = func_obj.name;
string full_name;
TypeBuilder type = ec.type_builder;
ILGenerator ig = ec.ig;
if (prefix == String.Empty)
{
full_name = name;
}
else
{
full_name = prefix + "." + name;
}
MethodBuilder method_builder = type.DefineMethod(full_name, func_obj.attr, HandleReturnType,
func_obj.params_types());
MethodBuilder tmp = (MethodBuilder)TypeManager.Get(name);
if (tmp == null)
{
TypeManager.Add(name, method_builder);
}
else
{
TypeManager.Set(name, method_builder);
}
set_custom_attr(method_builder);
this.ig = method_builder.GetILGenerator();
if (parent == null || parent.GetType() == typeof(ScriptBlock))
{
type.DefineField(name, typeof(Microsoft.JScript.ScriptFunction),
FieldAttributes.Public | FieldAttributes.Static);
}
else
{
local_func = ig.DeclareLocal(typeof(Microsoft.JScript.ScriptFunction));
TypeManager.AddLocalScriptFunction(name, local_func);
}
build_closure(ec, full_name, func_obj.source);
}
void ICanModifyContext.EmitDecls(EmitContext ec)
{
object var;
if ((var = CodeGenerator.variable_defined_in_current_scope(id)) != null)
{
Type t = var.GetType();
if (t == typeof(FieldBuilder))
{
field_info = (FieldBuilder)var;
}
else if (t == typeof(LocalBuilder))
{
local_builder = (LocalBuilder)var;
}
return;
}
ILGenerator ig = ec.ig;
if (parent == null || (parent.GetType() != typeof(FunctionDeclaration) &&
parent.GetType() != typeof(FunctionExpression)))
{
FieldBuilder field_builder;
TypeBuilder type_builder = ec.type_builder;
field_builder = type_builder.DefineField(id, this.type, FieldAttributes.Public | FieldAttributes.Static);
TypeManager.Add(id, field_builder);
field_info = field_builder;
}
else
{
local_builder = ig.DeclareLocal(type);
TypeManager.Add(id, local_builder);
}
}
internal override void Emit(EmitContext ec)
{
TypeManager.BeginScope();
string name = func_obj.name;
string full_name;
TypeBuilder type = ec.type_builder;
ILGenerator ig = ec.ig;
if (prefix == null || prefix == String.Empty)
{
if (name == String.Empty)
{
full_name = SemanticAnalyser.NextAnonymousMethod;
}
else
{
full_name = name;
}
}
else
{
if (name == String.Empty)
{
full_name = prefix + "." + SemanticAnalyser.NextAnonymousMethod;
}
else
{
full_name = prefix + "." + name;
}
}
MethodBuilder method_builder = type.DefineMethod(full_name, func_obj.attr,
HandleReturnType,
func_obj.params_types());
MethodBuilder tmp = (MethodBuilder)TypeManager.Get(name);
if (tmp == null)
{
TypeManager.Add(name, method_builder);
}
else
{
TypeManager.Set(name, method_builder);
}
set_custom_attr(method_builder);
EmitContext new_ec = new EmitContext(ec.type_builder, ec.mod_builder,
method_builder.GetILGenerator());
if (InFunction)
{
local_script_func = ig.DeclareLocal(typeof(ScriptFunction));
local_func = ig.DeclareLocal(typeof(FunctionObject));
}
else
{
if (name != String.Empty)
{
field = type.DefineField(name, typeof(object), FieldAttributes.Public | FieldAttributes.Static);
local_func = ig.DeclareLocal(typeof(FunctionObject));
}
else
{
local_func = ig.DeclareLocal(typeof(FunctionObject));
}
}
build_closure(ec, full_name, func_obj.source);
func_obj.body.Emit(new_ec);
new_ec.ig.Emit(OpCodes.Ret);
TypeManager.EndScope();
}
