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59 lines
1.3 KiB
59 lines
1.3 KiB
//
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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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auto syntax_path = argv[1];
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MemoryMappedFile syntax(syntax_path);
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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 << syntax_path << ":" << ln << ":" << col << ": " << msg << endl;
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});
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if (!parser) {
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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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auto source_path = argv[2];
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MemoryMappedFile source(source_path);
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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 ret = parser.lint(source.data(), source.size(), true, [&](size_t ln, size_t col, const string& msg) {
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cerr << source_path << ":" << ln << ":" << col << ": " << msg << endl;
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});
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return ret ? 0 : -1;
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}
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// vim: et ts=4 sw=4 cin cino={1s ff=unix
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