/*
scconfig - parser generator detection
Copyright (C) 2009 Tibor Palinkas
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Project page: http://repo.hu/projects/scconfig
Contact via email: scconfig [at] igor2.repo.hu
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "libs.h"
#include "log.h"
#include "db.h"
#include "dep.h"
int find_parsgen_flex(const char *name, int logdepth, int fatal)
{
const char *test_flex =
NL "%%"
NL "foo { return 1; }"
NL "%%"
NL ;
char *out, *temp_in, *temp_in_esc, *cmd;
int ret;
char *lexfile = "lex.yy.c";
(void) fatal; /* not used */
report("Checking for flex... ");
logprintf(logdepth, "find_flex: trying to find flex...\n");
logdepth++;
if (is_file(lexfile)) {
report("ERROR: %s exists, and I don't dare to delete it. Can't test flex, please remove the file by hand.\n", lexfile);
logprintf(logdepth, "ERROR: %s exists, and I don't dare to delete it. Can't test flex, please remove the file by hand.\n", lexfile);
exit(1);
}
temp_in = tempfile_dump(test_flex, ".lex");
temp_in_esc = shell_escape_dup(temp_in);
cmd = malloc(strlen(temp_in_esc) + 16);
sprintf(cmd, "flex %s", temp_in_esc);
free(temp_in_esc);
ret = run(logdepth, cmd, &out);
remove(temp_in);
free(temp_in);
if (out != NULL)
free(out);
if (is_file(lexfile)) {
remove(lexfile);
if (ret == 0) {
put("parsgen/flex", "flex");
put("parsgen/flex/presents", strue);
report("Found.\n");
return 0;
}
}
put("parsgen/flex/presents", sfalse);
report("Not found.\n");
return 1;
}
int find_parsgen_bison(const char *name, int logdepth, int fatal)
{
const char *test_bison =
NL "%union { char *str; double num;}"
NL "%%"
NL "%token <str> TOK1;"
NL "%token <num> TOK2;"
NL "root: one | two;"
NL "one: TOK1;"
NL "two: TOK2;"
NL ;
char *out, *temp_in, *temp_in_esc, *cmd;
int ret;
char *bisfile, *s;
(void) fatal; /* not used */
report("Checking for bison... ");
logprintf(logdepth, "find_bison: trying to find bison...\n");
logdepth++;
temp_in = tempfile_dump(test_bison, ".y");
bisfile = malloc(strlen(temp_in) + 32);
strcpy(bisfile, temp_in);
s = strrchr(bisfile+1, '.');
strcpy(s, ".tab.c");
if (is_file(bisfile)) {
report("ERROR: %s exists, and I don't dare to delete it. Can't test bison, please remove the file by hand.\n", bisfile);
logprintf(logdepth, "ERROR: %s exists, and I don't dare to delete it. Can't test bison, please remove the file by hand.\n", bisfile);
exit(1);
}
temp_in_esc = shell_escape_dup(temp_in);
cmd = malloc(strlen(temp_in_esc) + 16);
sprintf(cmd, "bison %s", temp_in_esc);
free(temp_in_esc);
ret = run(logdepth, cmd, &out);
remove(temp_in);
free(temp_in);
if (out != NULL)
free(out);
if (is_file(bisfile)) {
remove(bisfile);
if (ret == 0) {
put("parsgen/bison", "bison");
put("parsgen/bison/presents", strue);
report("Found.\n");
return 0;
}
}
put("parsgen/bison/presents", sfalse);
report("Not found.\n");
return 1;
}
void deps_parsgen_init()
{
dep_add("parsgen/flex/*", find_parsgen_flex);
dep_add("parsgen/bison/*", find_parsgen_bison);
}