Source/JavaScriptCore/profiler/ProfilerBytecodes.cpp

/*
 * Copyright (C) 2012-2019 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include "config.h"
#include "ProfilerBytecodes.h"

#include "CodeBlock.h"
#include "JSGlobalObject.h"
#include "ObjectConstructor.h"
#include "JSCInlines.h"
#include <wtf/StringPrintStream.h>

namespace JSC { namespace Profiler {

Bytecodes::Bytecodes(size_t id, CodeBlock* codeBlock)
    : BytecodeSequence(codeBlock)
    , m_id(id)
    , m_inferredName(codeBlock->inferredName())
    , m_sourceCode(codeBlock->sourceCodeForTools())
    , m_hash(codeBlock->hash())
    , m_instructionCount(codeBlock->instructionsSize())
{
}

Bytecodes::~Bytecodes() { }

void Bytecodes::dump(PrintStream& out) const
{
    out.print("#", m_hash, "(", m_id, ")");
}

JSValue Bytecodes::toJS(JSGlobalObject* globalObject) const
{
    VM& vm = globalObject->vm();
    JSObject* result = constructEmptyObject(globalObject);
    
    result->putDirect(vm, vm.propertyNames->bytecodesID, jsNumber(m_id));
    result->putDirect(vm, vm.propertyNames->inferredName, jsString(vm, String::fromUTF8(m_inferredName)));
    result->putDirect(vm, vm.propertyNames->sourceCode, jsString(vm, String::fromUTF8(m_sourceCode)));
    result->putDirect(vm, vm.propertyNames->hash, jsString(vm, String::fromUTF8(toCString(m_hash))));
    result->putDirect(vm, vm.propertyNames->instructionCount, jsNumber(m_instructionCount));
    addSequenceProperties(globalObject, result);
    
    return result;
}

} } // namespace JSC::Profiler