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LibJS: Implement GeneratorFunctionConstructor::construct

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Matthew Olsson 2021-06-16 10:52:48 -07:00 • committed by Linus Groh
parent 22b17219ff
commit 9253fa1bad
3 changed files with 72 additions and 36 deletions
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28
Userland/Libraries/LibJS/Runtime/GeneratorFunctionConstructor.cpp
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@ -4,10 +4,15 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Debug.h>
#include <AK/Optional.h>
#include <LibJS/Bytecode/Interpreter.h>
#include <LibJS/Lexer.h>
#include <LibJS/Parser.h>
#include <LibJS/Runtime/FunctionConstructor.h>
#include <LibJS/Runtime/Function.h>
#include <LibJS/Runtime/GeneratorFunctionConstructor.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/ScriptFunction.h>
namespace JS {
@ -38,9 +43,26 @@ Value GeneratorFunctionConstructor::call()
}
// 27.3.1.1 GeneratorFunction ( p1, p2, … , pn, body ), https://tc39.es/ecma262/#sec-generatorfunction
Value GeneratorFunctionConstructor::construct(Function&)
Value GeneratorFunctionConstructor::construct(Function& new_target)
{
TODO();
auto function = FunctionConstructor::create_dynamic_function_node(global_object(), new_target, FunctionKind::Generator);
if (!function)
return {};
auto* bytecode_interpreter = Bytecode::Interpreter::current();
VERIFY(bytecode_interpreter);
auto executable = Bytecode::Generator::generate(function->body(), true);
auto& passes = JS::Bytecode::Interpreter::optimization_pipeline();
passes.perform(executable);
if constexpr (JS_BYTECODE_DEBUG) {
dbgln("Optimisation passes took {}us", passes.elapsed());
dbgln("Compiled Bytecode::Block for function '{}':", function->name());
for (auto& block : executable.basic_blocks)
block.dump(executable);
}
return ScriptFunction::create(global_object(), function->name(), function->body(), function->parameters(), function->function_length(), vm().current_scope(), FunctionKind::Generator, function->is_strict_mode(), false);
}
}