61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
/*
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Lexesis - A language agnostic lexical analyser generator
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Copyright © 2016-2017 Thomas Avé, Robin Jadoul
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "KeywordsLexer.h"
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#include <iostream>
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int main() {
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KeywordsLexer lex(std::cin);
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try {
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while (true) {
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KeywordsLexer::Token tok = lex.nextToken();
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switch (tok.type) {
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case KeywordsLexer::MODULE:
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std::cout << "MODULE: ";
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break;
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case KeywordsLexer::END:
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std::cout << "END: ";
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break;
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case KeywordsLexer::IF:
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std::cout << "IF: ";
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break;
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case KeywordsLexer::IDENT:
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std::cout << "IDENT: ";
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break;
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case KeywordsLexer::UNKNOWN:
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std::cout << "UNKNOWN: ";
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break;
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case KeywordsLexer::nonmatching: case KeywordsLexer::ignore:
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break; //These can never occur, just to satisfy the compiler...
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}
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std::cout << "\"" << tok.content << "\"" << std::endl;
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}
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}
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catch (KeywordsLexer::NoMatch& err) {
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std::cout << "'" << lex.peek() << "'" << " did not match" << std::endl;
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}
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catch (KeywordsLexer::NoMoreTokens& err) {
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std::cout << "DONE" << std::endl;
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}
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}
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