pip-services4-expressions-node
Version:
Tokenizers, parsers and expression calculators in Node.js / ES2017
43 lines • 1.73 kB
JavaScript
;
/** @module tokenizers */
Object.defineProperty(exports, "__esModule", { value: true });
exports.CCommentState = void 0;
const Token_1 = require("../Token");
const TokenType_1 = require("../TokenType");
const CppCommentState_1 = require("./CppCommentState");
const utilities_1 = require("../utilities");
/**
* This state will either delegate to a comment-handling state, or return a token with just a slash in it.
*/
class CCommentState extends CppCommentState_1.CppCommentState {
/**
* Either delegate to a comment-handling state, or return a token with just a slash in it.
* @param scanner A textual string to be tokenized.
* @param tokenizer A tokenizer class that controls the process.
* @returns The next token from the top of the stream.
*/
nextToken(scanner, tokenizer) {
const firstSymbol = scanner.read();
const line = scanner.line();
const column = scanner.column();
if (firstSymbol != this.SLASH) {
scanner.unread();
throw new Error("Incorrect usage of CCommentState.");
}
const secondSymbol = scanner.read();
if (secondSymbol == this.STAR) {
return new Token_1.Token(TokenType_1.TokenType.Comment, "/*" + this.getMultiLineComment(scanner), line, column);
}
else {
if (!utilities_1.CharValidator.isEof(secondSymbol)) {
scanner.unread();
}
if (!utilities_1.CharValidator.isEof(firstSymbol)) {
scanner.unread();
}
return tokenizer.symbolState.nextToken(scanner, tokenizer);
}
}
}
exports.CCommentState = CCommentState;
//# sourceMappingURL=CCommentState.js.map