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66 lines
1.5 KiB
66 lines
1.5 KiB
10 years ago
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//
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// peglint.cc
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//
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// Copyright (c) 2015 Yuji Hirose. All rights reserved.
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// MIT License
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//
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#include <peglib.h>
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#include <iostream>
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#include "mmap.h"
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using namespace peglib;
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using namespace std;
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int main(int argc, const char** argv)
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{
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if (argc < 2 || string("--help") == argv[1]) {
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cerr << "usage: peglint [grammar file path] [source file path]" << endl;
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return 1;
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}
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// Check PEG grammar
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cerr << "checking grammar file..." << endl;
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MemoryMappedFile syntax(argv[1]);
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if (!syntax.is_open()) {
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cerr << "can't open the grammar file." << endl;
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return -1;
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}
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auto parser = make_parser(syntax.data(), syntax.size(), [](size_t ln, size_t col, const string& msg) {
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cerr << ln << ":" << col << ": " << msg << endl;
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});
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if (parser) {
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cerr << "success" << endl;
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} else {
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cerr << "invalid grammar file." << endl;
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return -1;
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}
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if (argc < 3) {
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return 0;
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}
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// Check source
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cerr << "checking source file..." << endl;
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MemoryMappedFile source(argv[2]);
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if (!source.is_open()) {
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cerr << "can't open the source file." << endl;
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return -1;
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}
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auto m = parser.lint(source.data(), source.size());
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if (m.ret) {
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cerr << "success" << endl;
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} else {
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auto info = line_info(source.data(), m.ptr);
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cerr << info.first << ":" << info.second << ": syntax error" << endl;
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}
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}
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// vim: et ts=4 sw=4 cin cino={1s ff=unix
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