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[Qemu-devel] [PATCH v3 31/58] json: remove useless return value from lex
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH v3 31/58] json: remove useless return value from lexer/parser |
Date: |
Thu, 23 Aug 2018 18:39:58 +0200 |
From: Marc-André Lureau <address@hidden>
The lexer always returns 0 when char feeding. Furthermore, none of the
caller care about the return value.
Signed-off-by: Marc-André Lureau <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Markus Armbruster <address@hidden>
Reviewed-by: Thomas Huth <address@hidden>
Signed-off-by: Markus Armbruster <address@hidden>
---
include/qapi/qmp/json-lexer.h | 4 ++--
include/qapi/qmp/json-streamer.h | 4 ++--
qobject/json-lexer.c | 23 ++++++++---------------
qobject/json-streamer.c | 8 ++++----
4 files changed, 16 insertions(+), 23 deletions(-)
diff --git a/include/qapi/qmp/json-lexer.h b/include/qapi/qmp/json-lexer.h
index afee7828cd..66ccf0357c 100644
--- a/include/qapi/qmp/json-lexer.h
+++ b/include/qapi/qmp/json-lexer.h
@@ -47,9 +47,9 @@ struct JSONLexer
void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter func);
-int json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size);
+void json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size);
-int json_lexer_flush(JSONLexer *lexer);
+void json_lexer_flush(JSONLexer *lexer);
void json_lexer_destroy(JSONLexer *lexer);
diff --git a/include/qapi/qmp/json-streamer.h b/include/qapi/qmp/json-streamer.h
index 00d8a23af8..cb808cf27d 100644
--- a/include/qapi/qmp/json-streamer.h
+++ b/include/qapi/qmp/json-streamer.h
@@ -36,10 +36,10 @@ typedef struct JSONMessageParser
void json_message_parser_init(JSONMessageParser *parser,
void (*func)(JSONMessageParser *, GQueue *));
-int json_message_parser_feed(JSONMessageParser *parser,
+void json_message_parser_feed(JSONMessageParser *parser,
const char *buffer, size_t size);
-int json_message_parser_flush(JSONMessageParser *parser);
+void json_message_parser_flush(JSONMessageParser *parser);
void json_message_parser_destroy(JSONMessageParser *parser);
diff --git a/qobject/json-lexer.c b/qobject/json-lexer.c
index 0731779470..d9701f857b 100644
--- a/qobject/json-lexer.c
+++ b/qobject/json-lexer.c
@@ -286,7 +286,7 @@ void json_lexer_init(JSONLexer *lexer, JSONLexerEmitter
func)
lexer->x = lexer->y = 0;
}
-static int json_lexer_feed_char(JSONLexer *lexer, char ch, bool flush)
+static void json_lexer_feed_char(JSONLexer *lexer, char ch, bool flush)
{
int char_consumed, new_state;
@@ -340,7 +340,7 @@ static int json_lexer_feed_char(JSONLexer *lexer, char ch,
bool flush)
g_string_truncate(lexer->token, 0);
new_state = IN_START;
lexer->state = new_state;
- return 0;
+ return;
default:
break;
}
@@ -355,29 +355,22 @@ static int json_lexer_feed_char(JSONLexer *lexer, char
ch, bool flush)
g_string_truncate(lexer->token, 0);
lexer->state = IN_START;
}
-
- return 0;
}
-int json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size)
+void json_lexer_feed(JSONLexer *lexer, const char *buffer, size_t size)
{
size_t i;
for (i = 0; i < size; i++) {
- int err;
-
- err = json_lexer_feed_char(lexer, buffer[i], false);
- if (err < 0) {
- return err;
- }
+ json_lexer_feed_char(lexer, buffer[i], false);
}
-
- return 0;
}
-int json_lexer_flush(JSONLexer *lexer)
+void json_lexer_flush(JSONLexer *lexer)
{
- return lexer->state == IN_START ? 0 : json_lexer_feed_char(lexer, 0, true);
+ if (lexer->state != IN_START) {
+ json_lexer_feed_char(lexer, 0, true);
+ }
}
void json_lexer_destroy(JSONLexer *lexer)
diff --git a/qobject/json-streamer.c b/qobject/json-streamer.c
index c51c2021f9..78dfff2aa0 100644
--- a/qobject/json-streamer.c
+++ b/qobject/json-streamer.c
@@ -118,15 +118,15 @@ void json_message_parser_init(JSONMessageParser *parser,
json_lexer_init(&parser->lexer, json_message_process_token);
}
-int json_message_parser_feed(JSONMessageParser *parser,
+void json_message_parser_feed(JSONMessageParser *parser,
const char *buffer, size_t size)
{
- return json_lexer_feed(&parser->lexer, buffer, size);
+ json_lexer_feed(&parser->lexer, buffer, size);
}
-int json_message_parser_flush(JSONMessageParser *parser)
+void json_message_parser_flush(JSONMessageParser *parser)
{
- return json_lexer_flush(&parser->lexer);
+ json_lexer_flush(&parser->lexer);
}
void json_message_parser_destroy(JSONMessageParser *parser)
--
2.17.1
- [Qemu-devel] [PATCH v3 00/58] json: Fixes, error reporting improvements, cleanups, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 12/58] check-qjson: Cover UTF-8 in single quoted strings, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 34/58] json: Redesign the callback to consume JSON values, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 21/58] check-qjson: Document we expect invalid UTF-8 to be rejected, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 33/58] json: Have lexer call streamer directly, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 39/58] json: Pass lexical errors and limit violations to callback, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 26/58] json: Leave rejecting invalid escape sequences to parser, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 31/58] json: remove useless return value from lexer/parser,
Markus Armbruster <=
- [Qemu-devel] [PATCH v3 22/58] json: Reject invalid UTF-8 sequences, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 29/58] json: Fix \uXXXX for surrogate pairs, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 37/58] json: Rename token JSON_ESCAPE & friends to JSON_INTERP, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 44/58] json: Fix latent parser aborts at end of input, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 28/58] json: Reject invalid \uXXXX, fix \u0000, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 19/58] json: Revamp lexer documentation, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 17/58] json: Fix lexer to include the bad character in JSON_ERROR token, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 18/58] json: Reject unescaped control characters, Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 35/58] json: Don't pass null @tokens to json_parser_parse(), Markus Armbruster, 2018/08/23
- [Qemu-devel] [PATCH v3 36/58] json: Don't create JSON_ERROR tokens that won't be used, Markus Armbruster, 2018/08/23