Move code into src directory.

git-svn-id: http://svn.drobilla.net/resp/tuplr@160 ad02d1e2-f140-0410-9f75-f8b11f17cedd

1 files changed, 0 insertions, 471 deletions

diff --git a/tuplr.cpp b/tuplr.cpp
deleted file mode 100644
index 7dd3e9b..0000000
--- a/tuplr.cpp
+++ /dev/null
@@ -1,471 +0,0 @@
-/* Tuplr: A programming language
- * Copyright (C) 2008-2009 David Robillard <dave@drobilla.net>
- *
- * Tuplr is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Affero General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- *
- * Tuplr 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 Affero General
- * Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with Tuplr.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <cerrno>
-#include <cstring>
-#include <fstream>
-#include <set>
-#include <sstream>
-#include <stack>
-#include "tuplr.hpp"
-
-using namespace std;
-using boost::format;
-
-GC Object::pool;
-
-template<typename Atom>
-ostream&
-operator<<(ostream& out, const Exp<Atom>& exp)
-{
-	switch (exp.type) {
-	case Exp<Atom>::ATOM:
-		out << exp.atom;
-		break;
-	case Exp<Atom>::LIST:
-		out << "(";
-		for (size_t i = 0; i != exp.size(); ++i)
-			out << exp.at(i) << ((i != exp.size() - 1) ? " " : "");
-		out << ")";
-		break;
-	}
-	return out;
-}
-
-
-/***************************************************************************
- * Lexer                                                                   *
- ***************************************************************************/
-
-inline int
-readChar(Cursor& cur, istream& in)
-{
-	int ch = in.get();
-	switch (ch) {
-	case '\n': ++cur.line; cur.col = 0; break;
-	default:   ++cur.col;
-	}
-	return ch;
-}
-
-SExp
-readExpression(Cursor& cur, istream& in)
-{
-#define PUSH(s, t)  { if (t != "") { s.top().push_back(SExp(loc, t)); t = ""; } }
-#define YIELD(s, t) { if (s.empty()) { return SExp(loc, t); } else PUSH(s, t) }
-	stack<SExp> stk;
-	string      tok;
-	Cursor      loc; // start of tok
-	while (int c = readChar(cur, in)) {
-		switch (c) {
-		case EOF:
-			THROW_IF(!stk.empty(), cur, "unexpected end of file")
-			return SExp(cur);
-		case ';':
-			while ((c = readChar(cur, in)) != '\n') {}
-		case '\n': case ' ': case '\t':
-			if (tok != "") YIELD(stk, tok);
-			break;
-		case '"':
-			loc = cur;
-			do { tok.push_back(c); } while ((c = readChar(cur, in)) != '"');
-			YIELD(stk, tok + '"');
-			break;
-		case '(':
-			stk.push(SExp(cur));
-			break;
-		case ')':
-			switch (stk.size()) {
-			case 0:
-				throw Error(cur, "unexpected `)'");
-			case 1:
-				PUSH(stk, tok);
-				return stk.top();
-			default:
-				PUSH(stk, tok);
-				SExp l = stk.top();
-				stk.pop();
-				stk.top().push_back(l);
-			}
-			break;
-		case '#':
-			if (in.peek() == '|') {
-				while (!(readChar(cur, in) == '|' && readChar(cur, in) == '#')) {}
-				break;
-			}
-		default:
-			if (tok == "") loc = cur;
-			tok += c;
-		}
-	}
-	switch (stk.size()) {
-	case 0:  return SExp(loc, tok);
-	case 1:  return stk.top();
-	default: throw  Error(cur, "missing `)'");
-	}
-	return SExp(cur);
-}
-
-
-/***************************************************************************
- * Macro Functions                                                         *
- ***************************************************************************/
-
-inline SExp
-macDef(PEnv& penv, const SExp& exp)
-{
-	THROW_IF(exp.size() < 3, exp.loc, "[MAC] `def' requires at least 2 arguments")
-	if (exp.at(1).type == SExp::ATOM) {
-		return exp;
-	} else {
-		// (def (f x) y) => (def f (fn (x) y))
-		SExp argsExp(exp.loc);
-		for (size_t i = 1; i < exp.at(1).size(); ++i)
-			argsExp.push_back(exp.at(1).at(i));
-		SExp fnExp(exp.at(2).loc);
-		fnExp.push_back(SExp(exp.at(2).loc, "fn"));
-		fnExp.push_back(argsExp);
-		for (size_t i = 2; i < exp.size(); ++i)
-			fnExp.push_back(exp.at(i));
-		SExp ret(exp.loc);
-		ret.push_back(exp.at(0));
-		ret.push_back(exp.at(1).at(0));
-		ret.push_back(fnExp);
-		return ret;
-	}
-}
-
-
-/***************************************************************************
- * Parser Functions                                                        *
- ***************************************************************************/
-
-template<typename C>
-inline AST*
-parseCall(PEnv& penv, const SExp& exp, void* arg)
-{
-	return new C(exp, penv.parseTuple(exp));
-}
-
-template<typename T>
-inline AST*
-parseLiteral(PEnv& penv, const SExp& exp, void* arg)
-{
-	return new ALiteral<T>(*reinterpret_cast<T*>(arg), exp.loc);
-}
-
-inline AST*
-parseFn(PEnv& penv, const SExp& exp, void* arg)
-{
-	if (exp.size() < 2)
-		throw Error(exp.loc, "Missing function parameters and body");
-	else if (exp.size() < 3)
-		throw Error(exp.loc, "Missing function body");
-	SExp::const_iterator a = exp.begin(); ++a;
-	AFn* ret = tup<AFn>(exp.loc, penv.sym("fn"), new ATuple(penv.parseTuple(*a++)), 0);
-	while (a != exp.end())
-		ret->push_back(penv.parse(*a++));
-	return ret;
-}
-
-
-/***************************************************************************
- * Standard Definitions                                                    *
- ***************************************************************************/
-
-void
-initLang(PEnv& penv, TEnv& tenv)
-{
-	// Types
-	tenv.def(penv.sym("Nothing"), make_pair((AST*)0, new AType(penv.sym("Nothing"))));
-	tenv.def(penv.sym("Bool"),    make_pair((AST*)0, new AType(penv.sym("Bool"))));
-	tenv.def(penv.sym("Int"),     make_pair((AST*)0, new AType(penv.sym("Int"))));
-	tenv.def(penv.sym("Float"),   make_pair((AST*)0, new AType(penv.sym("Float"))));
-
-	// Literals
-	static bool trueVal  = true;
-	static bool falseVal = false;
-	penv.reg(false, "#t", PEnv::Handler(parseLiteral<bool>, &trueVal));
-	penv.reg(false, "#f", PEnv::Handler(parseLiteral<bool>, &falseVal));
-
-	// Macros
-	penv.defmac("def",  macDef);
-
-	// Special forms
-	penv.reg(true, "fn",   PEnv::Handler(parseFn));
-	penv.reg(true, "if",   PEnv::Handler(parseCall<AIf>));
-	penv.reg(true, "def",  PEnv::Handler(parseCall<ADef>));
-
-	// Numeric primitives
-	penv.reg(true, "+",   PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "-",   PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "*",   PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "/",   PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "%",   PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "and", PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "or",  PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "xor", PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "=",   PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "!=",  PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, ">",   PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, ">=",  PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "<",   PEnv::Handler(parseCall<APrimitive>));
-	penv.reg(true, "<=",  PEnv::Handler(parseCall<APrimitive>));
-}
-
-
-/***************************************************************************
- * EVAL/REPL                                                               *
- ***************************************************************************/
-
-int
-eval(CEnv& cenv, const string& name, istream& is)
-{
-	AST*   result     = NULL;
-	AType* resultType = NULL;
-	list< pair<SExp, AST*> > exprs;
-	Cursor cursor(name);
-	try {
-		while (true) {
-			SExp exp = readExpression(cursor, is);
-			if (exp.type == SExp::LIST && exp.empty())
-				break;
-
-			result = cenv.penv.parse(exp); // Parse input
-			Constraints c;
-			result->constrain(cenv.tenv, c); // Constrain types
-			cenv.tsubst = Subst::compose(cenv.tsubst, TEnv::unify(c)); // Solve type constraints
-			resultType = cenv.type(result);
-			result->lift(cenv); // Lift functions
-			exprs.push_back(make_pair(exp, result));
-
-			// Add definitions as GC roots
-			if (result->to<ADef*>())
-				cenv.lock(result);
-
-			// Add types in type substition as GC roots
-			for (Subst::iterator i = cenv.tsubst.begin(); i != cenv.tsubst.end(); ++i) {
-				Object::pool.addRoot(i->first);
-				Object::pool.addRoot(i->second);
-			}
-		}
-
-		// Print CPS form
-		CValue val = NULL;
-		/*for (list< pair<SExp, AST*> >::const_iterator i = exprs.begin(); i != exprs.end(); ++i) {
-			cout << "; CPS" << endl;
-			pprint(cout, i->second->cps(cenv.tenv, cenv.penv.sym("cont")));
-		}*/
-
-		if (resultType->concrete()) {
-			// Create function for top-level of program
-			CFunction f = cenv.engine()->startFunction(cenv, "main", resultType, ATuple(cursor));
-
-			// Compile all expressions into it
-			for (list< pair<SExp, AST*> >::const_iterator i = exprs.begin(); i != exprs.end(); ++i)
-				val = cenv.compile(i->second);
-
-			// Finish and call it
-			cenv.engine()->finishFunction(cenv, f, resultType, val);
-			cenv.out << cenv.engine()->call(cenv, f, resultType);
-		}
-		cenv.out << " : " << resultType << endl;
-
-		Object::pool.collect(Object::pool.roots());
-
-		if (cenv.args.find("-d") != cenv.args.end())
-			cenv.engine()->writeModule(cenv, cenv.out);
-
-	} catch (Error& e) {
-		cenv.err << e.what() << endl;
-		return 1;
-	}
-	return 0;
-}
-
-int
-repl(CEnv& cenv)
-{
-	while (1) {
-		cenv.out << "() ";
-		cenv.out.flush();
-		Cursor cursor("(stdin)");
-
-		try {
-			SExp exp = readExpression(cursor, std::cin);
-			if (exp.type == SExp::LIST && exp.empty())
-				break;
-
-			AST* body = cenv.penv.parse(exp); // Parse input
-			Constraints c;
-			body->constrain(cenv.tenv, c); // Constrain types
-
-			Subst oldSubst = cenv.tsubst;
-			cenv.tsubst = Subst::compose(cenv.tsubst, TEnv::unify(c)); // Solve type constraints
-
-			AType* bodyT = cenv.type(body);
-			THROW_IF(!bodyT, cursor, "call to untyped body")
-
-			body->lift(cenv);
-
-			CFunction f = NULL;
-			try {
-				// Create anonymous function to insert code into
-				f = cenv.engine()->startFunction(cenv, cenv.penv.gensymstr("_repl"), bodyT, ATuple(cursor));
-				CValue retVal = cenv.compile(body);
-				cenv.engine()->finishFunction(cenv, f, bodyT, retVal);
-				cenv.out << cenv.engine()->call(cenv, f, bodyT);
-			} catch (Error& e) {
-				ADef* def = body->to<ADef*>();
-				if (def)
-					cenv.out << def->sym();
-				else
-					cenv.out << "?";
-				cenv.engine()->eraseFunction(cenv, f);
-			}
-			cenv.out << " : " << cenv.type(body) << endl;
-
-			// Add definitions as GC roots
-			if (body->to<ADef*>())
-				cenv.lock(body);
-
-			Object::pool.collect(Object::pool.roots());
-
-			cenv.tsubst = oldSubst;
-			if (cenv.args.find("-d") != cenv.args.end())
-				cenv.engine()->writeModule(cenv, cenv.out);
-
-		} catch (Error& e) {
-			cenv.err << e.what() << endl;
-		}
-	}
-	return 0;
-}
-
-
-/***************************************************************************
- * MAIN                                                                    *
- ***************************************************************************/
-
-int
-print_usage(char* name, bool error)
-{
-	ostream& os = error ? cerr : cout;
-	os << "Usage: " << name << " [OPTION]... [FILE]..."  << endl;
-	os << "Evaluate and/or compile Tuplr code"           << endl;
-	os << endl;
-	os << "  -h               Display this help and exit"        << endl;
-	os << "  -r               Enter REPL after evaluating files" << endl;
-	os << "  -p               Pretty-print input only"           << endl;
-	os << "  -g               Debug (disable optimisation)"      << endl;
-	os << "  -d               Dump assembly output"              << endl;
-	os << "  -e EXPRESSION    Evaluate EXPRESSION"               << endl;
-	os << "  -o FILE          Write output to FILE"              << endl;
-	return error ? 1 : 0;
-}
-
-int
-main(int argc, char** argv)
-{
-	PEnv penv;
-	TEnv tenv(penv);
-	initLang(penv, tenv);
-
-	Engine* engine = tuplr_new_engine();
-	CEnv*   cenv   = new CEnv(penv, tenv, engine);
-
-	cenv->push();
-	Object::pool.lock();
-
-	map<string,string> args;
-	list<string>       files;
-	for (int i = 1; i < argc; ++i) {
-		if (!strncmp(argv[i], "-h", 3)) {
-			return print_usage(argv[0], false);
-		} else if (argv[i][0] != '-') {
-			files.push_back(argv[i]);
-		} else if (!strncmp(argv[i], "-r", 3)
-				|| !strncmp(argv[i], "-p", 3)
-				|| !strncmp(argv[i], "-g", 3)
-				|| !strncmp(argv[i], "-d", 3)) {
-			args.insert(make_pair(argv[i], ""));
-		} else if (i == argc-1 || argv[i+1][0] == '-') {
-			return print_usage(argv[0], true);
-		} else {
-			args.insert(make_pair(argv[i], argv[i+1]));
-			++i;
-		}
-	}
-
-	cenv->args = args;
-
-	int ret = 0;
-
-	string output;
-	map<string,string>::const_iterator a = args.find("-o");
-	if (a != args.end())
-		output = a->second;
-
-	a = args.find("-p");
-	if (a != args.end()) {
-		ifstream is(files.front().c_str());
-		if (is.good()) {
-			Cursor loc;
-			SExp exp = readExpression(loc, is);
-			AST* ast = penv.parse(exp);
-			pprint(cout, ast);
-		}
-		return 0;
-	}
-
-	a = args.find("-e");
-	if (a != args.end()) {
-		istringstream is(a->second);
-		ret = eval(*cenv, "(command line)", is);
-	}
-
-	for (list<string>::iterator f = files.begin(); f != files.end(); ++f) {
-		ifstream is(f->c_str());
-		if (is.good()) {
-			ret = ret | eval(*cenv, *f, is);
-		} else {
-			cerr << argv[0] << ": " << *f << ": " << strerror(errno) << endl;
-			++ret;
-		}
-		is.close();
-	}
-
-	if (args.find("-r") != args.end() || (files.empty() && args.find("-e") == args.end()))
-		ret = repl(*cenv);
-
-	if (output != "") {
-		ofstream os(output.c_str());
-		if (os.good()) {
-			cenv->engine()->writeModule(*cenv, os);
-		} else {
-			cerr << argv[0] << ": " << a->second << ": " << strerror(errno) << endl;
-			++ret;
-		}
-		os.close();
-	}
-
-	delete cenv;
-	tuplr_free_engine(engine);
-
-	return ret;
-}
-