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