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+/*
+ Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include <cstdio>
+
+#include "lex.hpp"
+#include "parser.hpp"
+
+
+namespace solar {
+
+bool readGrammar(const char *filename, state_t *state) {
+ FILE *file = fopen(filename, "r");
+ if (!file) {
+ std::fprintf(stderr, "unable to open file %s\n", filename);
+ return false;
+ }
+
+ lex_t lexer(file);
+ parser_t *parser = parser_alloc();
+ int ret;
+
+ do {
+ int token;
+ value_t value;
+
+ token = lexer.lex(&value);
+ if (token < 0) {
+ std::fprintf(stderr, "error: %s at %s:%i:%i\n", value.error, filename,
+ lexer.get_location().first_line, lexer.get_location().first_column);
+ return false;
+ }
+
+ ret = parser_parse(parser, token, &value, state);
+ } while (ret > 0);
+
+ if (ret < 0) {
+ std::fprintf(stderr, "error: parse error at %s:%i:%i\n", filename,
+ lexer.get_location().first_line, lexer.get_location().first_column);
+ return false;
+ }
+
+ return true;
+}
+
+}
+
+
+int main() {
+ using namespace solar;
+
+ state_t state;
+ if (!readGrammar("grammar.y", &state))
+ return 1;
+
+ return 0;
+}