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/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FlyString.h>
#include <LibJS/Bytecode/Instruction.h>
#include <LibJS/Bytecode/Label.h>
#include <LibJS/Bytecode/Register.h>
#include <LibJS/Heap/Cell.h>
#include <LibJS/Runtime/Value.h>
namespace JS::Bytecode::Op {
class Load final : public Instruction {
public:
Load(Register dst, Value value)
: m_dst(dst)
, m_value(value)
{
}
virtual ~Load() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_dst;
Value m_value;
};
class Add final : public Instruction {
public:
Add(Register dst, Register src1, Register src2)
: m_dst(dst)
, m_src1(src1)
, m_src2(src2)
{
}
virtual ~Add() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_dst;
Register m_src1;
Register m_src2;
};
class Sub final : public Instruction {
public:
Sub(Register dst, Register src1, Register src2)
: m_dst(dst)
, m_src1(src1)
, m_src2(src2)
{
}
virtual ~Sub() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_dst;
Register m_src1;
Register m_src2;
};
class LessThan final : public Instruction {
public:
LessThan(Register dst, Register src1, Register src2)
: m_dst(dst)
, m_src1(src1)
, m_src2(src2)
{
}
virtual ~LessThan() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_dst;
Register m_src1;
Register m_src2;
};
class AbstractInequals final : public Instruction {
public:
AbstractInequals(Register dst, Register src1, Register src2)
: m_dst(dst)
, m_src1(src1)
, m_src2(src2)
{
}
virtual ~AbstractInequals() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_dst;
Register m_src1;
Register m_src2;
};
class NewString final : public Instruction {
public:
NewString(Register dst, String string)
: m_dst(dst)
, m_string(move(string))
{
}
virtual ~NewString() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_dst;
String m_string;
};
class NewObject final : public Instruction {
public:
explicit NewObject(Register dst)
: m_dst(dst)
{
}
virtual ~NewObject() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_dst;
};
class SetVariable final : public Instruction {
public:
SetVariable(FlyString identifier, Register src)
: m_identifier(move(identifier))
, m_src(src)
{
}
virtual ~SetVariable() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
FlyString m_identifier;
Register m_src;
};
class GetVariable final : public Instruction {
public:
GetVariable(Register dst, FlyString identifier)
: m_dst(dst)
, m_identifier(move(identifier))
{
}
virtual ~GetVariable() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_dst;
FlyString m_identifier;
};
class Jump final : public Instruction {
public:
explicit Jump(Label target)
: m_target(target)
{
}
virtual ~Jump() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Label m_target;
};
class JumpIfFalse final : public Instruction {
public:
explicit JumpIfFalse(Register result, Optional<Label> target = {})
: m_result(result)
, m_target(move(target))
{
}
void set_target(Optional<Label> target) { m_target = move(target); }
virtual ~JumpIfFalse() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_result;
Optional<Label> m_target;
};
class JumpIfTrue final : public Instruction {
public:
explicit JumpIfTrue(Register result, Optional<Label> target = {})
: m_result(result)
, m_target(move(target))
{
}
void set_target(Optional<Label> target) { m_target = move(target); }
virtual ~JumpIfTrue() override { }
virtual void execute(Bytecode::Interpreter&) const override;
virtual String to_string() const override;
private:
Register m_result;
Optional<Label> m_target;
};
}
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