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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/NonnullOwnPtr.h>
#include <LibJS/AST.h>
#include <LibJS/Interpreter.h>
#include <LibJS/Object.h>
#include <LibJS/Value.h>
#include <stdio.h>
#define PROGRAM 2
static void build_program(JS::Program&);
int main()
{
auto program = make<JS::Program>();
build_program(*program);
program->dump(0);
JS::Interpreter interpreter;
auto result = interpreter.run(*program);
dbg() << "Interpreter returned " << result;
printf("%s\n", result.to_string().characters());
dbg() << "Collecting garbage on exit...";
interpreter.heap().collect_garbage();
return 0;
}
#if PROGRAM == 1
void build_program(JS::Program& program)
{
// function foo() { return (1 + 2) + 3; }
// foo();
auto block = make<JS::BlockStatement>();
block->append<JS::ReturnStatement>(
make<JS::BinaryExpression>(
JS::BinaryOp::Plus,
make<JS::BinaryExpression>(
JS::BinaryOp::Plus,
make<JS::Literal>(JS::Value(1)),
make<JS::Literal>(JS::Value(2))),
make<JS::Literal>(JS::Value(3))));
program.append<JS::FunctionDeclaration>("foo", move(block));
program.append<JS::CallExpression>("foo");
}
#elif PROGRAM == 2
void build_program(JS::Program& program)
{
// c = 1;
// function foo() {
// var a = 5;
// var b = 7;
// return a + b + c;
// }
// foo();
program.append<JS::AssignmentExpression>(
JS::AssignmentOp::Assign,
make<JS::Identifier>("c"),
make<JS::Literal>(JS::Value(1)));
auto block = make<JS::BlockStatement>();
block->append<JS::VariableDeclaration>(
make<JS::Identifier>("a"),
make<JS::Literal>(JS::Value(5)));
block->append<JS::VariableDeclaration>(
make<JS::Identifier>("b"),
make<JS::Literal>(JS::Value(7)));
block->append<JS::ReturnStatement>(
make<JS::BinaryExpression>(
JS::BinaryOp::Plus,
make<JS::BinaryExpression>(
JS::BinaryOp::Plus,
make<JS::Identifier>("a"),
make<JS::Identifier>("b")),
make<JS::Identifier>("c")));
program.append<JS::FunctionDeclaration>("foo", move(block));
program.append<JS::CallExpression>("foo");
}
#elif PROGRAM == 3
void build_program(JS::Program& program)
{
// function foo() {
// var x = {};
// $gc();
// }
// foo();
auto block = make<JS::BlockStatement>();
block->append<JS::VariableDeclaration>(
make<JS::Identifier>("x"),
make<JS::ObjectExpression>());
block->append<JS::CallExpression>("$gc");
program.append<JS::FunctionDeclaration>("foo", move(block));
program.append<JS::CallExpression>("foo");
}
#endif
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