kore

commit d078bdfb95d1b1a18ff83ba713897d05eadb353c
parent 1fcc9345a682579694fca84532d7802b153e1aa3
Author: Joris Vink <joris@coders.se>
Date:   Wed, 22 Sep 2021 22:39:42 +0200

Add a gen command to kodev.

This will generate an asset file for Kore based on the source file
or directory given.

This allows other build systems to more easily generate asset
files if their compilation steps are different.

Diffstat:
src/cli.c
 | 
66
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-

1 file changed, 65 insertions(+), 1 deletion(-)
diff --git a/src/cli.c b/src/cli.c
@@ -205,6 +205,8 @@ static void		cli_reload(int, char **);
 static void		cli_flavor(int, char **);
 static void		cli_cflags(int, char **);
 static void		cli_ldflags(int, char **);
+static void		cli_genasset(int, char **);
+static void		cli_genasset_help(void);
 
 #if !defined(KODEV_MINIMAL)
 static void		cli_create(int, char **);
@@ -222,6 +224,7 @@ static void		cli_file_create(const char *, const char *, size_t);
 static struct cmd cmds[] = {
 	{ "help",	"this help text",			cli_help },
 	{ "run",	"run an application (-fnr implied)",	cli_run },
+	{ "gen",	"generate asset file for compilation",	cli_genasset },
 	{ "reload",	"reload the application (SIGHUP)",	cli_reload },
 	{ "info",	"show info on kore on this system",	cli_info },
 	{ "build",	"build an application",			cli_build },
@@ -384,6 +387,7 @@ static int			source_files_count;
 static int			cxx_files_count;
 static struct cmd		*command = NULL;
 static int			cflags_count = 0;
+static int			genasset_cmd = 0;
 static int			cxxflags_count = 0;
 static int			ldflags_count = 0;
 static char			*flavor = NULL;
@@ -884,6 +888,64 @@ cli_ldflags(int argc, char **argv)
 	free(p);
 }
 
+static void
+cli_genasset(int argc, char **argv)
+{
+	struct stat		st;
+	struct dirent		dp;
+	char			*hdr;
+
+	genasset_cmd = 1;
+	TAILQ_INIT(&build_options);
+	(void)cli_buildopt_new("_default");
+
+	if (getenv("KORE_OBJDIR") == NULL)
+		object_dir = out_dir;
+
+	if (argv[0] == NULL)
+		cli_genasset_help();
+
+	(void)cli_vasprintf(&hdr, "%s/assets.h", out_dir);
+	(void)unlink(hdr);
+
+	cli_file_open(hdr, O_CREAT | O_TRUNC | O_WRONLY, &s_fd);
+	cli_file_writef(s_fd, "#ifndef __H_KORE_ASSETS_H\n");
+	cli_file_writef(s_fd, "#define __H_KORE_ASSETS_H\n");
+
+	if (stat(argv[0], &st) == -1)
+		fatal("%s: %s", argv[0], errno_s);
+
+	if (S_ISDIR(st.st_mode)) {
+		if (cli_dir_exists(argv[0]))
+			cli_find_files(argv[0], cli_build_asset);
+	} else if (S_ISREG(st.st_mode)) {
+		memset(&dp, 0, sizeof(dp));
+		dp.d_type = DT_REG;
+		(void)snprintf(dp.d_name, sizeof(dp.d_name), "%s",
+		    basename(argv[0]));
+		cli_build_asset(argv[0], &dp);
+	} else {
+		fatal("%s is not a directory or regular file", argv[0]);
+	}
+
+	cli_file_writef(s_fd, "\n#endif\n");
+	cli_file_close(s_fd);
+}
+
+static void
+cli_genasset_help(void)
+{
+	printf("Usage: kodev genasset [source]\n");
+	printf("Synopsis:\n");
+	printf("  Generates asset file(s) to be used for compilation.\n");
+	printf("  The source can be a single file or directory.\n");
+	printf("\n");
+	printf("This command honors the KODEV_OUTPUT environment variable.\n");
+	printf("This command honors the KORE_OBJDIR environment variable.\n");
+
+	exit(1);
+}
+
 #if !defined(KODEV_MINIMAL)
 static void
 file_create_python_src(void)
@@ -1268,7 +1330,9 @@ cli_build_asset(char *fpath, struct dirent *dp)
 	*--ext = '.';
 
 	/* Register the .c file now (cpath is free'd later). */
-	cli_add_source_file(name, cpath, opath, &st, BUILD_C);
+	if (genasset_cmd == 0)
+		cli_add_source_file(name, cpath, opath, &st, BUILD_C);
+
 	free(name);
 }