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.laniel@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;