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/*
* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
* 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.
*/
#pragma once
#include <AK/NonnullRefPtr.h>
#include <AK/NonnullRefPtrVector.h>
#include <AK/RefCounted.h>
#include <AK/String.h>
namespace SQL {
template<class T, class... Args>
static inline NonnullRefPtr<T>
create_ast_node(Args&&... args)
{
return adopt(*new T(forward<Args>(args)...));
}
class ASTNode : public RefCounted<ASTNode> {
public:
virtual ~ASTNode() { }
protected:
ASTNode() = default;
};
class Statement : public ASTNode {
};
class ErrorStatement final : public Statement {
};
class SignedNumber final : public ASTNode {
public:
explicit SignedNumber(double value)
: m_value(value)
{
}
double value() const { return m_value; }
private:
double m_value;
};
class TypeName : public ASTNode {
public:
TypeName(String name, NonnullRefPtrVector<SignedNumber> signed_numbers)
: m_name(move(name))
, m_signed_numbers(move(signed_numbers))
{
VERIFY(m_signed_numbers.size() <= 2);
}
const String& name() const { return m_name; }
const NonnullRefPtrVector<SignedNumber> signed_numbers() const { return m_signed_numbers; }
private:
String m_name;
NonnullRefPtrVector<SignedNumber> m_signed_numbers;
};
class ColumnDefinition : public ASTNode {
public:
ColumnDefinition(String name, NonnullRefPtr<TypeName> type_name)
: m_name(move(name))
, m_type_name(move(type_name))
{
}
const String& name() const { return m_name; }
const NonnullRefPtr<TypeName>& type_name() const { return m_type_name; }
private:
String m_name;
NonnullRefPtr<TypeName> m_type_name;
};
class CreateTable : public Statement {
public:
CreateTable(String schema_name, String table_name, NonnullRefPtrVector<ColumnDefinition> columns, bool is_temporary, bool is_error_if_table_exists)
: m_schema_name(move(schema_name))
, m_table_name(move(table_name))
, m_columns(move(columns))
, m_is_temporary(is_temporary)
, m_is_error_if_table_exists(is_error_if_table_exists)
{
}
const String& schema_name() const { return m_schema_name; }
const String& table_name() const { return m_table_name; }
const NonnullRefPtrVector<ColumnDefinition> columns() const { return m_columns; }
bool is_temporary() const { return m_is_temporary; }
bool is_error_if_table_exists() const { return m_is_error_if_table_exists; }
private:
String m_schema_name;
String m_table_name;
NonnullRefPtrVector<ColumnDefinition> m_columns;
bool m_is_temporary;
bool m_is_error_if_table_exists;
};
}
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