1c06111cbd
This works by adding source start/end offset to every bytecode instruction. In the future we can make this more efficient by keeping a map of bytecode ranges to source ranges in the Executable instead, but let's just get traces working first. Co-Authored-By: Andrew Kaster <akaster@serenityos.org>
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
/*
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* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/ExecutionContext.h>
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#include <LibJS/Runtime/FunctionObject.h>
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namespace JS {
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ExecutionContext::ExecutionContext(Heap& heap)
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: arguments(heap)
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, local_variables(heap)
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{
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}
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ExecutionContext::ExecutionContext(MarkedVector<Value> existing_arguments, MarkedVector<Value> existing_local_variables)
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: arguments(move(existing_arguments))
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, local_variables(move(existing_local_variables))
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{
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}
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ExecutionContext ExecutionContext::copy() const
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{
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ExecutionContext copy { arguments, local_variables };
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copy.function = function;
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copy.realm = realm;
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copy.script_or_module = script_or_module;
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copy.lexical_environment = lexical_environment;
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copy.variable_environment = variable_environment;
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copy.private_environment = private_environment;
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copy.instruction_stream_iterator = instruction_stream_iterator;
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copy.function_name = function_name;
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copy.this_value = this_value;
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copy.is_strict_mode = is_strict_mode;
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return copy;
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}
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void ExecutionContext::visit_edges(Cell::Visitor& visitor)
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{
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visitor.visit(function);
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visitor.visit(realm);
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visitor.visit(variable_environment);
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visitor.visit(lexical_environment);
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visitor.visit(private_environment);
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visitor.visit(context_owner);
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visitor.visit(this_value);
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script_or_module.visit(
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[](Empty) {},
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[&](auto& script_or_module) {
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visitor.visit(script_or_module);
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});
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}
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}
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