vkd3d-compiler: Use getopt to parse command-line options.

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2020-07-02 18:13:13 +04:30 committed by Alexandre Julliard
parent e3e76867ca
commit f658190794

View File

@ -22,12 +22,18 @@
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <getopt.h>
#include "vkd3d_common.h"
#include "vkd3d_shader.h"
#define MAX_COMPILE_OPTIONS 1
enum
{
OPTION_STRIP_DEBUG = CHAR_MAX + 1,
};
static bool read_shader(struct vkd3d_shader_code *shader, const char *filename)
{
struct stat st;
@ -86,23 +92,15 @@ static bool write_shader(const struct vkd3d_shader_code *shader, const char *fil
return true;
}
static const struct
{
const char *name;
enum vkd3d_shader_compile_option_name compile_option;
}
compiler_options[] =
{
{"--strip-debug", VKD3D_SHADER_COMPILE_OPTION_STRIP_DEBUG},
};
static void print_usage(const char *program_name)
{
static const char usage[] =
"[options...] file\n"
"Options:\n"
" -o <file> Write the output to <file>.\n"
" --strip-debug Strip debug information from the output.\n";
" --strip-debug Strip debug information from the output.\n"
" -- Stop option processing. Any subsequent argument is\n"
" interpreted as a filename.\n";
fprintf(stderr, "Usage: %s %s", program_name, usage);
}
@ -145,36 +143,41 @@ static void add_compile_option(struct options *options,
static bool parse_command_line(int argc, char **argv, struct options *options)
{
unsigned int i, j;
int option;
if (argc < 2)
return false;
static struct option long_options[] =
{
{"strip-debug", no_argument, NULL, OPTION_STRIP_DEBUG},
{NULL, 0, NULL, 0},
};
memset(options, 0, sizeof(*options));
for (i = 1; i < argc - 1; ++i)
for (;;)
{
if (!strcmp(argv[i], "-o"))
{
if (i + 1 >= argc - 1)
return false;
options->output_filename = argv[++i];
continue;
}
if ((option = getopt_long(argc, argv, "o:", long_options, NULL)) == -1)
break;
for (j = 0; j < ARRAY_SIZE(compiler_options); ++j)
switch (option)
{
if (!strcmp(argv[i], compiler_options[j].name))
{
add_compile_option(options, compiler_options[j].compile_option, 1);
case 'o':
options->output_filename = optarg;
break;
}
case OPTION_STRIP_DEBUG:
add_compile_option(options, VKD3D_SHADER_COMPILE_OPTION_STRIP_DEBUG, 1);
break;
default:
return false;
}
if (j == ARRAY_SIZE(compiler_options))
return false;
}
if (optind >= argc)
return false;
options->filename = argv[argc - 1];
return true;
}