[RFC PATCH v3 05/78] qobject/json: add fallthrough pseudo-keyword

[Emmanouil Pitsidianakis]

In preparation of raising -Wimplicit-fallthrough to 5, replace all
fall-through comments with the fallthrough attribute pseudo-keyword.

Signed-off-by: Emmanouil Pitsidianakis <manos.pitsidiana...@linaro.org>
---
 qobject/json-lexer.c  | 4 ++--
 qobject/json-parser.c | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/qobject/json-lexer.c b/qobject/json-lexer.c
index 51341d96e4..ab74470ac6 100644
--- a/qobject/json-lexer.c
+++ b/qobject/json-lexer.c
@@ -312,7 +312,7 @@ static void json_lexer_feed_char(JSONLexer *lexer, char ch, 
bool flush)
         case JSON_STRING:
             json_message_process_token(lexer, lexer->token, new_state,
                                        lexer->x, lexer->y);
-            /* fall through */
+            fallthrough;
         case IN_START:
             g_string_truncate(lexer->token, 0);
             new_state = lexer->start_state;
@@ -321,7 +321,7 @@ static void json_lexer_feed_char(JSONLexer *lexer, char ch, 
bool flush)
             json_message_process_token(lexer, lexer->token, JSON_ERROR,
                                        lexer->x, lexer->y);
             new_state = IN_RECOVERY;
-            /* fall through */
+            fallthrough;
         case IN_RECOVERY:
             g_string_truncate(lexer->token, 0);
             break;
diff --git a/qobject/json-parser.c b/qobject/json-parser.c
index d498db6e70..4dc622dcc9 100644
--- a/qobject/json-parser.c
+++ b/qobject/json-parser.c
@@ -214,7 +214,7 @@ static QString *parse_string(JSONParserContext *ctxt, 
JSONToken *token)
                 }
                 ptr++;
             }
-            /* fall through */
+            fallthrough;
         default:
             cp = mod_utf8_codepoint(ptr, 6, &end);
             if (cp < 0) {
@@ -518,8 +518,9 @@ static QObject *parse_literal(JSONParserContext *ctxt)
             }
             assert(ret == -ERANGE);
         }
+        /* fall through to JSON_FLOAT */
+        fallthrough;
     }
-    /* fall through to JSON_FLOAT */
     case JSON_FLOAT:
         /* FIXME dependent on locale; a pervasive issue in QEMU */
         /* FIXME our lexer matches RFC 8259 in forbidding Inf or NaN,
-- 
2.39.2