1 files changed, 0 insertions, 216 deletions
diff --git a/src/core/parser/ParserStack.cpp b/src/core/parser/ParserStack.cpp
deleted file mode 100644
index 1265851..0000000
--- a/src/core/parser/ParserStack.cpp
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
-    Ousía
-    Copyright (C) 2014, 2015  Benjamin Paaßen, Andreas Stöckel
-
-    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 <sstream>
-
-#include <core/common/Utils.hpp>
-#include <core/common/Exceptions.hpp>
-#include <core/model/Project.hpp>
-
-#include "ParserScope.hpp"
-#include "ParserStack.hpp"
-
-namespace ousia {
-
-/* A default handler */
-
-/**
- * The DefaultHandler class is used in case no element handler is specified in
- * the ParserState descriptor.
- */
-class DefaultHandler : public Handler {
-public:
-	using Handler::Handler;
-
-	void start(Variant::mapType &args) override {}
-
-	void end() override {}
-
-	static Handler *create(const HandlerData &handlerData)
-	{
-		return new DefaultHandler{handlerData};
-	}
-};
-
-/* Class Handler */
-
-void Handler::data(const std::string &data, int field)
-{
-	if (Utils::hasNonWhitepaceChar(data)) {
-		logger().error("Expected command but found character data.");
-	}
-}
-
-/* Class ParserStack */
-
-/**
- * Returns an Exception that should be thrown when a currently invalid command
- * is thrown.
- */
-static LoggableException InvalidCommand(const std::string &name,
-                                        const std::set<std::string> &expected)
-{
-	if (expected.empty()) {
-		return LoggableException{
-		    std::string{"No nested elements allowed, but got \""} + name +
-		    std::string{"\""}};
-	} else {
-		return LoggableException{
-		    std::string{"Expected "} +
-		    (expected.size() == 1 ? std::string{"\""}
-		                          : std::string{"one of \""}) +
-		    Utils::join(expected, "\", \"") + std::string{"\", but got \""} +
-		    name + std::string{"\""}};
-	}
-}
-
-ParserStack::ParserStack(
-    ParserContext &ctx,
-    const std::multimap<std::string, const ParserState *> &states)
-    : ctx(ctx), states(states)
-{
-}
-
-bool ParserStack::deduceState()
-{
-	// Assemble all states
-	std::vector<const ParserState *> states;
-	for (const auto &e : this->states) {
-		states.push_back(e.second);
-	}
-
-	// Fetch the type signature of the scope and derive all possible states,
-	// abort if no unique parser state was found
-	std::vector<const ParserState *> possibleStates =
-	    ParserStateDeductor(ctx.getScope().getStackTypeSignature(), states)
-	        .deduce();
-	if (possibleStates.size() != 1) {
-		ctx.getLogger().error(
-		    "Error while including file: Cannot deduce parser state.");
-		return false;
-	}
-
-	// Switch to this state by creating a dummy handler
-	const ParserState *state = possibleStates[0];
-	Handler *handler =
-	    DefaultHandler::create({ctx, "", *state, *state, SourceLocation{}});
-	stack.emplace(handler);
-	return true;
-}
-
-std::set<std::string> ParserStack::expectedCommands()
-{
-	const ParserState *currentState = &(this->currentState());
-	std::set<std::string> res;
-	for (const auto &v : states) {
-		if (v.second->parents.count(currentState)) {
-			res.insert(v.first);
-		}
-	}
-	return res;
-}
-
-const ParserState &ParserStack::currentState()
-{
-	return stack.empty() ? ParserStates::None : stack.top()->state();
-}
-
-std::string ParserStack::currentCommandName()
-{
-	return stack.empty() ? std::string{} : stack.top()->name();
-}
-
-const ParserState *ParserStack::findTargetState(const std::string &name)
-{
-	const ParserState *currentState = &(this->currentState());
-	auto range = states.equal_range(name);
-	for (auto it = range.first; it != range.second; it++) {
-		const ParserStateSet &parents = it->second->parents;
-		if (parents.count(currentState) || parents.count(&ParserStates::All)) {
-			return it->second;
-		}
-	}
-
-	return nullptr;
-}
-
-void ParserStack::start(const std::string &name, Variant::mapType &args,
-                        const SourceLocation &location)
-{
-	ParserState const *targetState = findTargetState(name);
-// TODO: Andreas, please improve this.
-//	if (!Utils::isIdentifier(name)) {
-//		throw LoggableException(std::string("Invalid identifier \"") + name +
-//		                        std::string("\""));
-//	}
-
-	if (targetState == nullptr) {
-		targetState = findTargetState("*");
-	}
-	if (targetState == nullptr) {
-		throw InvalidCommand(name, expectedCommands());
-	}
-
-	// Fetch the associated constructor
-	HandlerConstructor ctor = targetState->elementHandler
-	                              ? targetState->elementHandler
-	                              : DefaultHandler::create;
-
-	// Canonicalize the arguments, allow additional arguments
-	targetState->arguments.validateMap(args, ctx.getLogger(), true);
-
-	// Instantiate the handler and call its start function
-	Handler *handler = ctor({ctx, name, *targetState, currentState(), location});
-	handler->start(args);
-	stack.emplace(handler);
-}
-
-void ParserStack::start(std::string name, const Variant::mapType &args,
-                        const SourceLocation &location)
-{
-	Variant::mapType argsCopy(args);
-	start(name, argsCopy);
-}
-
-void ParserStack::end()
-{
-	// Check whether the current command could be ended
-	if (stack.empty()) {
-		throw LoggableException{"No command to end."};
-	}
-
-	// Remove the current HandlerInstance from the stack
-	std::shared_ptr<Handler> inst{stack.top()};
-	stack.pop();
-
-	// Call the end function of the last Handler
-	inst->end();
-}
-
-void ParserStack::data(const std::string &data, int field)
-{
-	// Check whether there is any command the data can be sent to
-	if (stack.empty()) {
-		throw LoggableException{"No command to receive data."};
-	}
-
-	// Pass the data to the current Handler instance
-	stack.top()->data(data, field);
-}
-}
-