Enables using, in code, hush 2021 as parser for run_command function family.
It also enables the command run to be used by CLI user of hush 2021.
Signed-off-by: Francis Laniel <francis.lan...@amarulasolutions.com>
---
common/cli.c | 63 ++++++++++++++++++++++++++++----------
common/cli_hush_upstream.c | 2 +-
2 files changed, 48 insertions(+), 17 deletions(-)
diff --git a/common/cli.c b/common/cli.c
index c2287443d4..740a6919ff 100644
--- a/common/cli.c
+++ b/common/cli.c
@@ -40,14 +40,31 @@ int run_command(const char *cmd, int flag)
return 1;
return 0;
-#elif CONFIG_IS_ENABLED(HUSH_OLD_PARSER)
- int hush_flags = FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP;
-
- if (flag & CMD_FLAG_ENV)
- hush_flags |= FLAG_CONT_ON_NEWLINE;
- return parse_string_outer(cmd, hush_flags);
-#else /* HUSH_2021_PARSER */
- /* Not yet implemented. */
+#elif CONFIG_IS_ENABLED(HUSH_PARSER)
+ if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
+ int hush_flags = FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP;
+
+ if (flag & CMD_FLAG_ENV)
+ hush_flags |= FLAG_CONT_ON_NEWLINE;
+ return parse_string_outer(cmd, hush_flags);
+ } else if (gd->flags & GD_FLG_HUSH_2021_PARSER) {
+ /*
+ * Possible values for flags are the following:
+ * FLAG_EXIT_FROM_LOOP: This flags ensures we exit from loop in
+ * parse_and_run_stream() after first iteration while normal
+ * behavior, * i.e. when called from cli_loop(), is to loop
+ * infinitely.
+ * FLAG_PARSE_SEMICOLON: Hush 2021 parses ';' and does not stop
+ * first time it sees one. So, I think we do not need this flag.
+ * FLAG_REPARSING: For the moment, I do not understand the goal
+ * of this flag.
+ * FLAG_CONT_ON_NEWLINE: This flag seems to be used to continue
+ * parsing even when reading '\n' when coming from
+ * run_command(). In this case, Hush 2021 reads until it finds
+ * '\0'. So, I think we do not need this flag.
+ */
+ return parse_string_outer_2021(cmd, FLAG_EXIT_FROM_LOOP);
+ }
return 1;
#endif
}
@@ -64,12 +81,25 @@ int run_command_repeatable(const char *cmd, int flag)
#ifndef CONFIG_HUSH_PARSER
return cli_simple_run_command(cmd, flag);
#else
+ int ret;
+
+ if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
+ ret = parse_string_outer(cmd,
+ FLAG_PARSE_SEMICOLON
+ | FLAG_EXIT_FROM_LOOP);
+ } else if (gd->flags & GD_FLG_HUSH_2021_PARSER) {
+ ret = parse_string_outer_2021(cmd,
+ FLAG_PARSE_SEMICOLON
+ | FLAG_EXIT_FROM_LOOP);
+ } else {
+ ret = 1;
+ }
+
/*
* parse_string_outer() returns 1 for failure, so clean up
* its result.
*/
- if (parse_string_outer(cmd,
- FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP))
+ if (ret)
return -1;
return 0;
@@ -108,12 +138,13 @@ int run_command_list(const char *cmd, int len, int flag)
buff[len] = '\0';
}
#ifdef CONFIG_HUSH_PARSER
-#if CONFIG_IS_ENABLED(HUSH_OLD_PARSER)
- rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON);
-#else /* HUSH_2021_PARSER */
- /* Not yet implemented. */
- rcode = 1;
-#endif
+ if (gd->flags & GD_FLG_HUSH_OLD_PARSER) {
+ rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON);
+ } else if (gd->flags & GD_FLG_HUSH_2021_PARSER) {
+ rcode = parse_string_outer_2021(buff, FLAG_PARSE_SEMICOLON);
+ } else {
+ rcode = 1;
+ }
#else
/*
* This function will overwrite any \n it sees with a \0, which
diff --git a/common/cli_hush_upstream.c b/common/cli_hush_upstream.c
index 6c023b679a..baa36b16ee 100644
--- a/common/cli_hush_upstream.c
+++ b/common/cli_hush_upstream.c
@@ -8020,7 +8020,7 @@ static int parse_and_run_string(const char *s)
}
#ifdef __U_BOOT__
-int parse_string_outer(const char *cmd, int flags)
+int parse_string_outer_2021(const char *cmd, int flags)
{
int ret;
int old_flags;
--
2.25.1
