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kodev: add support for generating Clang compilation database 

* generated sources for assets are skipped through filepath check
  it's fine for now, but probably should be redone
* despite Kore supports JSON manipulation, kodev doesn't share this code
  so for now JSON file is being regenerated each build
* tested in Qt Creator, works OK
This commit is contained in:
Alibek Omarov 2023-03-22 15:14:34 +03:00 committed by Joris Vink
parent b3802d186d
commit 54f6234e4f
1 changed files with 101 additions and 0 deletions
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101
src/cli.c
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@ -206,6 +206,8 @@ static void cli_run(int, char **);
static void cli_help(int, char **);
static void cli_info(int, char **);
static void cli_build(int, char **);
static void cli_build_help(void);
static void cli_build_clangdb(const char *);
static void cli_clean(int, char **);
static void cli_source(int, char **);
static void cli_reload(int, char **);
@ -580,6 +582,85 @@ cli_flavor(int argc, char **argv)
cli_buildopt_cleanup();
}
static void
cli_build_clangdb(const char *pwd)
{
const char *filename = "compile_commands.json";
struct cfile *cf;
int fd, i, args_count, genpath_len;
char *args[34 + CFLAGS_MAX], *genpath;
char *compiler_unused;
printf("generating %s...\n", filename);
(void)unlink(filename);
genpath_len = cli_vasprintf(&genpath, "%s/", object_dir);
cli_file_open(filename, O_CREAT | O_TRUNC | O_WRONLY, &fd);
cli_file_writef(fd, "[\n");
TAILQ_FOREACH(cf, &source_files, list) {
int tempbuild = cf->build;
// exclude generated source files
if (!strncmp(cf->fpath, genpath, genpath_len))
continue;
if (cf->build == BUILD_NOBUILD) {
char *ext = strrchr(cf->fpath, '.');
if (ext == NULL)
continue;
// temporarily rewrite build to our file type to include unchanged files
if (!strcmp(ext, ".cpp"))
cf->build = BUILD_CXX;
else if (!strcmp(ext, ".c"))
cf->build = BUILD_C;
else
continue;
}
cli_file_writef(fd, "\t{\n");
cli_file_writef(fd, "\t\t\"arguments\": [\n");
args_count = cli_generate_compiler_args(&compiler_unused, args, cf);
for (i = 0; i < args_count; i++)
{
cli_file_writef(fd, "\t\t\t\"%s\"%s\n",
args[i], i == args_count - 1 ? "" : ",");
}
cli_file_writef(fd, "\t\t],\n");
cli_file_writef(fd, "\t\t\"directory\": \"%s\",\n", pwd);
cli_file_writef(fd, "\t\t\"file\": \"%s\"\n", cf->fpath);
cli_file_writef(fd, "\t}%s\n", cf == TAILQ_LAST(&source_files, cfile_list) ? "" : ",");
cf->build = tempbuild;
}
cli_file_writef(fd, "]\n");
cli_file_close(fd);
free(genpath);
printf("%s generated successfully...\n", filename);
}
static void
cli_build_help(void)
{
printf("Usage: kodev build [-c]\n");
printf("Synopsis:\n");
printf(" Build a kore application in current working directory.\n");
printf("\n");
printf(" Optional flags:\n");
printf("\t-c = generate Clang compilation database after build\n");
exit(1);
}
static void
cli_build(int argc, char **argv)
{
@ -597,6 +678,23 @@ cli_build(int argc, char **argv)
char *sofile, *config;
char *assets_path, *p, *src_path;
char pwd[PATH_MAX], *assets_header;
int ch, clangdb;
clangdb = 0;
while ((ch = getopt(argc, argv, "ch")) != -1) {
switch (ch) {
case 'h':
cli_build_help();
break;
case 'c':
clangdb = 1;
break;
default:
cli_build_help();
break;
}
}
if (getcwd(pwd, sizeof(pwd)) == NULL)
fatal("could not get cwd: %s", errno_s);
@ -749,6 +847,9 @@ cli_build(int argc, char **argv)
printf("nothing to be done!\n");
}
if (clangdb)
cli_build_clangdb(pwd);
if (run_after == 0)
cli_buildopt_cleanup();
}