#!/usr/bin/env sh
cd "$(dirname $0)"/../src/AST

if [ "$1" == "" ]; then
exit 1
fi

if [ -f $1.cpp ]; then
exit 0
fi

if [ -f $1.h ]; then
exit 0
fi

touch $1.cpp
touch $1.h

cat << EOF > $1.h
#pragma once
#include "ExprNode.h"

class $1 final : public ExprNode
{
  public:
    $1();
    ~$1();

    llvm::Value* codegen(IRBuilder* generator) override;
};
EOF

cat << EOF > $1.cpp
#include "$1.h"

$1::$1()
    : ExprNode()
{
}

$1::~$1()
{
}

llvm::Value* $1::codegen(IRBuilder* generator)
{
    return llvm::ConstantInt::getSigned(llvm::IntegerType::getInt32Ty(generator->getBuilder()->getContext()),
                                                0);
}
EOF