cli: Enables using modern hush parser as command line parser

If one defines HUSH_MODERN_PARSER, it is then possible to use modern parser with:
=> cli get
old
=> cli set modern
=> cli get
modern

Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Francis Laniel <francis.laniel@amarulasolutions.com>

2 files changed, 53 insertions, 2 deletions

diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 0a9b6bd..99bde9e 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -701,6 +701,10 @@ enum gd_flags {
 	 * @GD_FLG_HUSH_OLD_PARSER: Use hush old parser.
 	 */
 	GD_FLG_HUSH_OLD_PARSER = 0x1000000,
+	/**
+	 * @GD_FLG_HUSH_MODERN_PARSER: Use hush 2021 parser.
+	 */
+	GD_FLG_HUSH_MODERN_PARSER = 0x2000000,
 };
 
 #endif /* __ASSEMBLY__ */
diff --git a/include/cli_hush.h b/include/cli_hush.h
index 2bd3567..007b8d6 100644
--- a/include/cli_hush.h
+++ b/include/cli_hush.h
@@ -12,11 +12,58 @@
 #define FLAG_REPARSING       (1 << 2)	  /* >=2nd pass */
 #define FLAG_CONT_ON_NEWLINE (1 << 3)	  /* continue when we see \n */
 
+#if CONFIG_IS_ENABLED(HUSH_OLD_PARSER)
 extern int u_boot_hush_start(void);
-extern int parse_string_outer(const char *, int);
+extern int parse_string_outer(const char *str, int flag);
 extern int parse_file_outer(void);
-
 int set_local_var(const char *s, int flg_export);
+#else
+static inline int u_boot_hush_start(void)
+{
+	return 0;
+}
+
+static inline int parse_string_outer(const char *str, int flag)
+{
+	return 1;
+}
+
+static inline int parse_file_outer(void)
+{
+	return 0;
+}
+
+static inline int set_local_var(const char *s, int flg_export)
+{
+	return 0;
+}
+#endif
+#if CONFIG_IS_ENABLED(HUSH_MODERN_PARSER)
+extern int u_boot_hush_start_modern(void);
+extern int parse_string_outer_modern(const char *str, int flag);
+extern void parse_and_run_file(void);
+int set_local_var_modern(char *s, int flg_export);
+#else
+static inline int u_boot_hush_start_modern(void)
+{
+	return 0;
+}
+
+static inline int parse_string_outer_modern(const char *str, int flag)
+{
+	return 1;
+}
+
+static inline void parse_and_run_file(void)
+{
+}
+
+static inline int set_local_var_modern(char *s, int flg_export)
+{
+	return 0;
+}
+#endif
+
 void unset_local_var(const char *name);
 char *get_local_var(const char *s);