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29 lines
522 B
29 lines
522 B
//
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// sequence.cc
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//
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// Copyright (c) 2023 Yuji Hirose. All rights reserved.
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// MIT License
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//
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#include <cstdlib>
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#include <iostream>
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#include <peglib.h>
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using namespace peg;
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int main(void) {
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parser parser(R"(
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START <- SEQUENCE_A
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SEQUENCE_A <- SEQUENCE('A')
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SEQUENCE(X) <- X (',' X)*
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)");
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parser["SEQUENCE_A"] = [](const SemanticValues & /*vs*/) {
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std::cout << "SEQUENCE_A" << std::endl;
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};
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if (parser.parse("A,A")) { return 0; }
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std::cout << "syntax error..." << std::endl;
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return -1;
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}
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