From 09972613c44cf9968afc17d7294aa5e77fc29b9c Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Wed, 25 Mar 2015 23:52:08 +0100 Subject: Some initial work --- solar.cpp | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 solar.cpp (limited to 'solar.cpp') diff --git a/solar.cpp b/solar.cpp new file mode 100644 index 0000000..1efff7a --- /dev/null +++ b/solar.cpp @@ -0,0 +1,80 @@ +/* + Copyright (c) 2015, Matthias Schiffer + 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 + +#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; +} -- cgit v1.2.3