38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#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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