#ifndef CPPEMITTER_HPP
#define CPPEMITTER_HPP

/*
 * Monicelli: an esoteric language compiler
 * 
 * Copyright (C) 2014 Stefano Sanfilippo
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "Emitter.hpp"

#include <iostream>


namespace monicelli {

class CppEmitter: public Emitter {
public:
    CppEmitter(std::ostream *stream): stream(*stream), indent_chars(0) {}

    virtual void emit(Id const&) override;
    virtual void emit(Integer const&) override;
    virtual void emit(Float const&) override;
    virtual void emit(Return const&) override;
    virtual void emit(Loop const&) override;
    virtual void emit(VarDeclaration const&) override;
    virtual void emit(Assignment const&) override;
    virtual void emit(Print const&) override;
    virtual void emit(Input const&) override;
    virtual void emit(Abort const&) override;
    virtual void emit(Assert const&) override;
    virtual void emit(FunctionCall const&) override;
    virtual void emit(BranchCase const&) override;
    virtual void emit(Branch const&) override;
    virtual void emit(Main const&) override;
    virtual void emit(Function const&) override;
    virtual void emit(Module const&) override;
    virtual void emit(Program const&) override;
    virtual void emit(ExpLt const&) override;
    virtual void emit(ExpGt const&) override;
    virtual void emit(ExpLte const&) override;
    virtual void emit(ExpGte const&) override;
    virtual void emit(ExpPlus const&) override;
    virtual void emit(ExpMinus const&) override;
    virtual void emit(ExpTimes const&) override;
    virtual void emit(ExpDiv const&) override;
    virtual void emit(ExpShl const&) override;
    virtual void emit(ExpShr const&) override;
    virtual void emit(SemiExpEq const&) override;
    virtual void emit(SemiExpLt const&) override;
    virtual void emit(SemiExpGt const&) override;
    virtual void emit(SemiExpLte const&) override;
    virtual void emit(SemiExpGte const&) override;
    virtual void emit(SemiExpPlus const&) override;
    virtual void emit(SemiExpMinus const&) override;
    virtual void emit(SemiExpTimes const&) override;
    virtual void emit(SemiExpDiv const&) override;
    virtual void emit(SemiExpShl const&) override;
    virtual void emit(SemiExpShr const&) override;

private:
    void emitIndent();
    void emitExp(char const* symbol, ExpNode const& node);
    void emitSemiExp(char const* symbol, SemiExpNode const& node);
    void emitFunctionSignature(Function const& function);
    void emitFunctionParams(PointerList<FunArg> const& funargs);
    void emitFunctionArglist(PointerList<Expression> const& args);
    void emitStatements(PointerList<Statement> const& node);

    void indent();
    void dedent();

    std::ostream &stream;
    int indent_chars;
};

}

#endif