166 lines
3.7 KiB
C
166 lines
3.7 KiB
C
/*
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This file is part of tl-parser
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tl-parser is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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tl-parser is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this tl-parser. If not, see <http://www.gnu.org/licenses/>.
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Copyright Vitaly Valtman 2014
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It is derivative work of VK/KittenPHP-DB-Engine (https://github.com/vk-com/kphp-kdb/)
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Copyright 2012-2013 Vkontakte Ltd
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2012-2013 Vitaliy Valtman
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "tl-parser.h"
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#ifndef _WIN32
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#include <unistd.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <signal.h>
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#ifdef HAVE_EXECINFO_H
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#include <execinfo.h>
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#endif
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#include <stdarg.h>
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int verbosity;
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int output_expressions;
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void usage (void) {
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printf ("usage: tl-parser [-v] [-h] <TL-schema-file>\n"
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"\tTL compiler\n"
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"\t-v\toutput statistical and debug information into stderr\n"
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"\t-E\twhenever is possible output to stdout expressions\n"
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"\t-e <file>\texport serialized schema to file\n"
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);
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exit (2);
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}
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int vkext_write (const char *filename) {
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FILE *f = fopen(filename, "wb");
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assert (f != NULL);
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write_types (f);
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fclose (f);
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return 0;
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}
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void logprintf (const char *format, ...) __attribute__ ((format (printf, 1, 2)));
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void logprintf (const char *format __attribute__ ((unused)), ...) {
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va_list ap;
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va_start (ap, format);
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vfprintf (stderr, format, ap);
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va_end (ap);
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}
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void hexdump (int *in_ptr, int *in_end) {
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int *ptr = in_ptr;
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while (ptr < in_end) { printf (" %08x", *(ptr ++)); }
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printf ("\n");
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}
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#ifdef HAVE_EXECINFO_H
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void print_backtrace (void) {
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void *buffer[255];
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const int calls = backtrace (buffer, sizeof (buffer) / sizeof (void *));
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backtrace_symbols_fd (buffer, calls, 1);
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}
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#else
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void print_backtrace (void) {
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if (fwrite ("No libexec. Backtrace disabled\n", 32, 1, stderr) < 0) {
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// Sad thing
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}
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}
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#endif
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void sig_segv_handler (int signum __attribute__ ((unused))) {
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if (fwrite ("SIGSEGV received\n", 18, 1, stderr) < 0) {
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// Sad thing
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}
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print_backtrace ();
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exit (EXIT_FAILURE);
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}
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void sig_abrt_handler (int signum __attribute__ ((unused))) {
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if (fwrite ("SIGABRT received\n", 18, 1, stderr) < 0) {
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// Sad thing
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}
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print_backtrace ();
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exit (EXIT_FAILURE);
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}
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int main (int argc, char **argv) {
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signal (SIGSEGV, sig_segv_handler);
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signal (SIGABRT, sig_abrt_handler);
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int i;
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char *vkext_file = 0;
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while ((i = getopt (argc, argv, "Ehve:w:")) != -1) {
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switch (i) {
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case 'E':
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output_expressions++;
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break;
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case 'h':
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usage ();
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return 2;
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case 'e':
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vkext_file = optarg;
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break;
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case 'v':
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verbosity++;
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break;
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}
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}
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if (argc != optind + 1) {
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usage ();
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}
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struct parse *P = tl_init_parse_file (argv[optind]);
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if (!P) {
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return 1;
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}
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struct tree *T;
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if (!(T = tl_parse_lex (P))) {
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fprintf (stderr, "Error in parse:\n");
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tl_print_parse_error ();
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return 1;
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} else {
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if (verbosity) {
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fprintf (stderr, "Parse ok\n");
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}
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if (!tl_parse (T)) {
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if (verbosity) {
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fprintf (stderr, "Fail\n");
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}
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return 1;
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} else {
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if (verbosity) {
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fprintf (stderr, "Ok\n");
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}
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}
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}
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if (vkext_file) {
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vkext_write (vkext_file);
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}
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return 0;
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}
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