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// Copyright (C) 2014, Gabriel Dos Reis.
// All rights reserved.
// Written by Gabriel Dos Reis.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// - Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// - 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.
//
// - Neither the name of OpenAxiom nor the names of its contributors
// may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// 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 OWNER
// 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.
// --% Author: Gabriel Dos Reis
#include <open-axiom/Lisp>
#include <iostream>
#include <string>
static OpenAxiom::Sexpr::RawInput
raw_input(const std::string& line, OpenAxiom::Ordinal lineno) {
if (line.empty())
return { nullptr, nullptr, lineno };
auto p = reinterpret_cast<const OpenAxiom::Byte*>(&line[0]);
return { p, p + line.size(), lineno };
}
int main(int argc, char* argv[]) {
using namespace OpenAxiom;
Lisp::Evaluator lisp;
const char* prompt = "*> ";
std::string line;
Ordinal lineno { };
while (true) {
std::cout << prompt;
if (!std::getline(std::cin, line))
break;
else if (line.empty())
continue;
Sexpr::Reader reader { raw_input(line, ++lineno) };
while (true) {
try {
auto s = reader.read();
if (s == nullptr)
break;
auto value = lisp.eval(s);
Lisp::format(value, std::cout);
std::cout << '\n';
}
catch (const OpenAxiom::Diagnostics::BasicError& e) {
std::cerr << e.message() << std::endl;
}
}
}
std::cout << std::endl;
}
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