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Implement the -o commandline switch. This does almost exactly

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what bison does with -o, except it DTRT with respect to naming
the .code file when the -r switch is also used.

Submitted by: bde
This commit is contained in:
Steve Price 1997-02-16 01:50:25 +00:00
parent fca51029e7
commit 8f2a742859
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=22776
1 changed files with 61 additions and 12 deletions
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73
usr.bin/yacc/main.c
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@ -33,7 +33,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
* $Id: main.c,v 1.5 1997/01/12 21:29:47 steve Exp $
*/
#ifndef lint
@ -156,7 +156,7 @@ set_signals()
static void
usage()
{
fprintf(stderr, "usage: %s [-dlrtv] [-b file_prefix] [-p symbol_prefix] filename\n", myname);
fprintf(stderr, "usage: %s [-dlrtv] [-b file_prefix] [-o output_file_name] [-p symbol_prefix] filename\n", myname);
exit(1);
}
@ -202,6 +202,15 @@ char *argv[];
lflag = 1;
break;
case 'o':
if (*++s)
output_file_name = s;
else if (++i < argc)
output_file_name = argv[i];
else
usage();
continue;
case 'p':
if (*++s)
symbol_prefix = s;
@ -328,13 +337,20 @@ create_file_names()
mktemp(text_file_name);
mktemp(union_file_name);
len = strlen(file_prefix);
output_file_name = MALLOC(len + 7);
if (output_file_name == 0)
no_space();
strcpy(output_file_name, file_prefix);
strcpy(output_file_name + len, OUTPUT_SUFFIX);
if (output_file_name != 0)
{
file_prefix = output_file_name;
len = strlen(file_prefix);
}
else
{
len = strlen(file_prefix);
output_file_name = MALLOC(len + 7);
if (output_file_name == 0)
no_space();
strcpy(output_file_name, file_prefix);
strcpy(output_file_name + len, OUTPUT_SUFFIX);
}
if (rflag)
{
@ -342,7 +358,21 @@ create_file_names()
if (code_file_name == 0)
no_space();
strcpy(code_file_name, file_prefix);
strcpy(code_file_name + len, CODE_SUFFIX);
if (file_prefix == output_file_name)
{
/*
* XXX ".tab.c" here is OUTPUT_SUFFIX, but since its length is
* in various magic numbers, don't bother using the macro.
*/
if (len >= 6 && strcmp(code_file_name + len - 6, ".tab.c") == 0)
strcpy(code_file_name + len - 6, CODE_SUFFIX);
else if (len >= 2 && strcmp(code_file_name + len - 2, ".c") == 0)
strcpy(code_file_name + len - 2, CODE_SUFFIX);
else
strcpy(code_file_name + len, CODE_SUFFIX);
}
else
strcpy(code_file_name + len, CODE_SUFFIX);
}
else
code_file_name = output_file_name;
@ -353,7 +383,16 @@ create_file_names()
if (defines_file_name == 0)
no_space();
strcpy(defines_file_name, file_prefix);
strcpy(defines_file_name + len, DEFINES_SUFFIX);
if (file_prefix == output_file_name)
{
#define BISON_DEFINES_SUFFIX ".h"
if (len >= 2 && strcmp(defines_file_name + len - 2, ".c") == 0)
strcpy(defines_file_name + len - 2, BISON_DEFINES_SUFFIX);
else
strcpy(defines_file_name + len, BISON_DEFINES_SUFFIX);
}
else
strcpy(defines_file_name + len, DEFINES_SUFFIX);
}
if (vflag)
@ -362,7 +401,17 @@ create_file_names()
if (verbose_file_name == 0)
no_space();
strcpy(verbose_file_name, file_prefix);
strcpy(verbose_file_name + len, VERBOSE_SUFFIX);
if (file_prefix == output_file_name)
{
if (len >= 6 && strcmp(verbose_file_name + len - 6, ".tab.c") == 0)
strcpy(verbose_file_name + len - 6, VERBOSE_SUFFIX);
else if (len >= 2 && strcmp(verbose_file_name + len - 2, ".c") == 0)
strcpy(verbose_file_name + len - 2, VERBOSE_SUFFIX);
else
strcpy(verbose_file_name + len, VERBOSE_SUFFIX);
}
else
strcpy(verbose_file_name + len, VERBOSE_SUFFIX);
}
}