69 lines
No EOL
1.3 KiB
C++
69 lines
No EOL
1.3 KiB
C++
#pragma once
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#include "Strings.hpp"
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#include "List.hpp"
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#include "Map.hpp"
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namespace tp {
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struct CfGrammar {
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struct Rule {
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struct Arg {
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String id;
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bool isTerminal = false;
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bool isEpsilon = false;
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bool operator==(const Arg& in) const {
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return (id == in.id) && (isEpsilon == in.isEpsilon) && (isTerminal == in.isTerminal);
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}
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};
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String id;
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List<Arg> args;
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bool operator==(const Rule& in) const {
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return (id == in.id) && (args == in.args);
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}
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};
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struct Sentence {
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struct Term {
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String id;
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bool terminal;
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bool operator==(const Term& in) const {
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return (id == in.id) && (terminal == in.terminal);
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}
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};
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List<Term> terms;
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};
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List<Rule> rules;
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String startTerminal;
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private:
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struct NonTerminal {
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List<Rule*> rules;
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Map<String, NonTerminal*> references;
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Map<String, NonTerminal*> referencing;
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};
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struct Terminal {};
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Map<String, Terminal> mTerminals;
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Map<String, NonTerminal> mNonTerminals;
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public:
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static struct CfGrammarParserState* initializeCfGrammarParser();
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static void deinitializeCfGrammarParser(CfGrammarParserState*);
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public:
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bool parse(CfGrammarParserState* context, const String& source);
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bool compile();
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void generateSentences(List<Sentence>& out);
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static void printSentence(Sentence& in);
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private:
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void optimize();
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};
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} |