Add basic tagged flashcards to parser-generator

parser-generator/assets/grammar.ohm

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+G {
+  Main = Flashcard* end
+
+  // PLUGIN SYNTAX
+  Flashcard = FlashcardTagged
+  FlashcardTagged = question<tag> answer<answerTaggedDelimiter> flashcardId?
+  question<delimiter> = (~delimiter questionContentType)* delimiter
+  answer<delimiter> = (~(flashcardId? delimiter) answerContentType)*
+
+  tag = "#card"
+  answerTaggedDelimiter = newline newline
+
+  answerContentType = any
+  questionContentType = any
+
+  // Anki card ID - e.g. ^1643061575720
+  flashcardId = "^" digit digit digit digit digit digit digit digit digit digit digit digit digit
+
+  // OTHER
+  newline = "\r\n" | "\n" | "\r"
+
+  // OBSIDIAN SYNTAX
+
+  // Obsidian tag - e.g. #main_tag/sub_tag-with123/other_sub
+  //Tag = "#" letter (alnum | "_" | "-" | "/")*
+
+  header1 = "#"
+  header2 = "##"
+  header3 = "###"
+  header4 = "####"
+  header5 = "#####"
+  header6 = "######"
+}

parser-generator/assets/testnote.md

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+Question1 #card Answer 1 ^1666356393425
+
+Question2 #card Answer 2a Answer 2b
+
+Question2 #card
+Answer 2a
+Answer 2b
+

parser-generator/src/generate.js

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+const fs = require("fs");
+const ohm = require("ohm-js");
+
+const file = fs.readFileSync('../assets/grammar.ohm').toString();
+const grammar = ohm.grammar(file);
+const semantics = grammar.createSemantics();
+semantics.addOperation('eval()', {
+	Main(cards, eof) {
+		const out = cards.children.map((card) => {
+			return card.eval();
+		});
+		return out;
+	},
+
+	Flashcard(flashcard) {
+		return {
+			flashcard: flashcard.eval(),
+		};
+	},
+
+	FlashcardTagged(question, answer, tag) {
+		console.log(Object.getOwnPropertyNames(tag.source))
+		return {
+			question: question.eval(),
+			answer: answer.sourceString,
+			tag: tag.child(0)?.eval(),
+		};
+	},
+
+	question(question, _delimiter) {
+		return question.sourceString;
+	},
+
+	flashcardId(_, d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11, d12, d13) {
+		const digits = [d1, d2, d3, d4, d5, d6, d7, d8, d9, d10, d11, d12, d13].map(d => d.sourceString).join('');
+		return parseInt(digits, 10);
+	},
+});
+
+
+const markdownFile = fs.readFileSync('../assets/testnote.md', 'utf-8');
+
+const m = grammar.match(markdownFile);
+if (m.succeeded()) {
+	console.log('\x1b[32m%s\x1b[0m', "Parsed successfully.");
+} else {
+	console.log('\x1b[31m%s\x1b[0m', "Could not parse.");
+}
+
+const result = semantics(m).eval();
+
+console.log("The final result is: ")
+console.log(result);
+