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LibWeb: Construct the IDL interface prototype chains automatically

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Have each IDL prototype trigger the construction of its own prototype.
This commit is contained in:
Andreas Kling 2021-01-18 11:36:34 +01:00
parent ee7fa49b88
commit 630cbc947a
3 changed files with 47 additions and 11 deletions
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23
Userland/Libraries/LibWeb/CodeGenerators/WrapperGenerator.cpp
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@ -160,6 +160,7 @@ struct Interface {
String fully_qualified_name;
String constructor_class;
String prototype_class;
String prototype_base_class;
};
static OwnPtr<Interface> parse_interface(StringView filename, const StringView& input)
@ -312,6 +313,7 @@ static OwnPtr<Interface> parse_interface(StringView filename, const StringView&
interface->wrapper_base_class = String::formatted("{}Wrapper", interface->parent_name.is_empty() ? String::empty() : interface->parent_name);
interface->constructor_class = String::formatted("{}Constructor", interface->name);
interface->prototype_class = String::formatted("{}Prototype", interface->name);
interface->prototype_base_class = String::formatted("{}Prototype", interface->parent_name.is_empty() ? "Object" : interface->parent_name);
return interface;
}
@ -563,6 +565,7 @@ void generate_implementation(const IDL::Interface& interface)
generator.set("name", interface.name);
generator.set("wrapper_class", interface.wrapper_class);
generator.set("wrapper_base_class", interface.wrapper_base_class);
generator.set("prototype_class", interface.prototype_class);
generator.set("fully_qualified_name", interface.fully_qualified_name);
generator.append(R"~~~(
@ -573,6 +576,7 @@ void generate_implementation(const IDL::Interface& interface)
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Uint8ClampedArray.h>
#include <LibJS/Runtime/Value.h>
#include <LibWeb/Bindings/@prototype_class@.h>
#include <LibWeb/Bindings/@wrapper_class@.h>
#include <LibWeb/Bindings/CanvasRenderingContext2DWrapper.h>
#include <LibWeb/Bindings/CommentWrapper.h>
@ -614,7 +618,7 @@ namespace Web::Bindings {
@wrapper_class@::@wrapper_class@(JS::GlobalObject& global_object, @fully_qualified_name@& impl)
: @wrapper_base_class@(global_object, impl)
{
set_prototype(static_cast<WindowObject&>(global_object).web_prototype("@name@"));
set_prototype(&static_cast<WindowObject&>(global_object).ensure_web_prototype<@prototype_class@>("@name@"));
}
)~~~");
}
@ -1086,7 +1090,7 @@ void @constructor_class@::initialize(JS::GlobalObject& global_object)
[[maybe_unused]] u8 default_attributes = JS::Attribute::Enumerable;
NativeFunction::initialize(global_object);
define_property(vm.names.prototype, window.web_prototype("@prototype_class@"), 0);
define_property(vm.names.prototype, window.ensure_web_prototype<@prototype_class@>("@name@"), 0);
define_property(vm.names.length, JS::Value(1), JS::Attribute::Configurable);
}
@ -1133,7 +1137,9 @@ void generate_prototype_implementation(const IDL::Interface& interface)
SourceGenerator generator { builder };
generator.set("name", interface.name);
generator.set("parent_name", interface.parent_name);
generator.set("prototype_class", interface.prototype_class);
generator.set("prototype_base_class", interface.prototype_base_class);
generator.set("wrapper_class", interface.wrapper_class);
generator.set("constructor_class", interface.constructor_class);
generator.set("prototype_class:snakecase", snake_name(interface.prototype_class));
@ -1144,6 +1150,10 @@ void generate_prototype_implementation(const IDL::Interface& interface)
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibWeb/Bindings/@prototype_class@.h>
#include <LibWeb/Bindings/WindowObject.h>
#if __has_include(<LibWeb/Bindings/@prototype_base_class@.h>)
# include <LibWeb/Bindings/@prototype_base_class@.h>
#endif
#if __has_include(<LibWeb/DOM/@name@.h>)
# include <LibWeb/DOM/@name@.h>
#elif __has_include(<LibWeb/HTML/@name@.h>)
@ -1165,6 +1175,15 @@ namespace Web::Bindings {
@prototype_class@::@prototype_class@(JS::GlobalObject& global_object)
: Object(*global_object.object_prototype())
{
)~~~");
if (!interface.parent_name.is_empty()) {
generator.append(R"~~~(
set_prototype(&static_cast<WindowObject&>(global_object).ensure_web_prototype<@prototype_base_class@>("@parent_name@"));
)~~~");
}
generator.append(R"~~~(
}
@prototype_class@::~@prototype_class@()