Language Initial

Parser/public/CfGrammar.hpp

@@ -1,89 +0,0 @@
-#pragma once
-
-#include "List.hpp"
-#include "Map.hpp"
-#include "Strings.hpp"
-
-namespace tp {
-
-	struct CfGrammar {
-		struct Rule {
-			struct Arg {
-				String id;
-				bool isTerminal = false;
-				bool isEpsilon = false;
-
-				bool operator==(const Arg& in) const { return (id == in.id) && (isEpsilon == in.isEpsilon) && (isTerminal == in.isTerminal); }
-			};
-
-			String id;
-			List<Arg> args;
-
-			bool operator==(const Rule& in) const { return (id == in.id) && (args == in.args); }
-
-			[[nodiscard]] bool isProductive() const {
-				for (auto arg : args) {
-					if (arg->id == id) return false;
-				}
-				return true;
-			}
-		};
-
-		struct Sentence {
-			struct Term {
-				String id;
-				bool terminal;
-				bool operator==(const Term& in) const { return (id == in.id) && (terminal == in.terminal); }
-			};
-			List<Term> terms;
-		};
-
-		List<Rule> rules;
-		String startTerminal;
-
-	private:
-		struct NonTerminal {
-
-			List<Rule*> rules;
-			Map<String, NonTerminal*> references;
-			Map<String, NonTerminal*> referencing;
-
-			[[nodiscard]] bool isProductive() const {
-				for (auto rule : rules) {
-					if (rule->isProductive()) return true;
-				}
-				return false;
-			}
-
-			[[nodiscard]] bool isLooped(Map<String, ualni>& processed, const String& id) const {
-				for (auto ref : referencing) {
-					if (processed.presents(ref->key)) return true;
-				}
-				processed.put(id, {});
-				for (auto ref : referencing) {
-					if (ref->val->isLooped(processed, ref->key)) return true;
-				}
-				return false;
-			}
-		};
-
-		struct Terminal {};
-
-		Map<String, Terminal> mTerminals;
-		Map<String, NonTerminal> mNonTerminals;
-		bool mIsLooped = false;
-
-	public:
-		static struct CfGrammarParserState* initializeCfGrammarParser();
-		static void deinitializeCfGrammarParser(CfGrammarParserState*);
-
-	public:
-		bool parse(CfGrammarParserState* context, const String& source);
-		bool compile();
-
-		void generateSentences(List<Sentence>& out);
-		static void printSentence(Sentence& in);
-
-		[[nodiscard]] bool isLooped() const;
-	};
-}