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-rw-r--r--include/qapi/qmp/json-streamer.h7
-rw-r--r--qobject/json-parser.c115
-rw-r--r--qobject/json-streamer.c19
3 files changed, 63 insertions, 78 deletions
diff --git a/include/qapi/qmp/json-streamer.h b/include/qapi/qmp/json-streamer.h
index e9f2937..09b3d3e 100644
--- a/include/qapi/qmp/json-streamer.h
+++ b/include/qapi/qmp/json-streamer.h
@@ -18,6 +18,13 @@
#include "glib-compat.h"
#include "qapi/qmp/json-lexer.h"
+typedef struct JSONToken {
+ int type;
+ int x;
+ int y;
+ char str[];
+} JSONToken;
+
typedef struct JSONMessageParser
{
void (*emit)(struct JSONMessageParser *parser, GQueue *tokens);
diff --git a/qobject/json-parser.c b/qobject/json-parser.c
index 5a84951..3c5d35d 100644
--- a/qobject/json-parser.c
+++ b/qobject/json-parser.c
@@ -22,11 +22,12 @@
#include "qapi/qmp/qbool.h"
#include "qapi/qmp/json-parser.h"
#include "qapi/qmp/json-lexer.h"
+#include "qapi/qmp/json-streamer.h"
typedef struct JSONParserContext
{
Error *err;
- QObject *current;
+ JSONToken *current;
GQueue *buf;
} JSONParserContext;
@@ -44,27 +45,10 @@ typedef struct JSONParserContext
static QObject *parse_value(JSONParserContext *ctxt, va_list *ap);
/**
- * Token manipulators
- *
- * tokens are dictionaries that contain a type, a string value, and geometry information
- * about a token identified by the lexer. These are routines that make working with
- * these objects a bit easier.
- */
-static const char *token_get_value(QObject *obj)
-{
- return qdict_get_str(qobject_to_qdict(obj), "token");
-}
-
-static JSONTokenType token_get_type(QObject *obj)
-{
- return qdict_get_int(qobject_to_qdict(obj), "type");
-}
-
-/**
* Error handler
*/
static void GCC_FMT_ATTR(3, 4) parse_error(JSONParserContext *ctxt,
- QObject *token, const char *msg, ...)
+ JSONToken *token, const char *msg, ...)
{
va_list ap;
char message[1024];
@@ -142,9 +126,10 @@ static int hex2decimal(char ch)
* \t
* \u four-hex-digits
*/
-static QString *qstring_from_escaped_str(JSONParserContext *ctxt, QObject *token)
+static QString *qstring_from_escaped_str(JSONParserContext *ctxt,
+ JSONToken *token)
{
- const char *ptr = token_get_value(token);
+ const char *ptr = token->str;
QString *str;
int double_quote = 1;
@@ -240,19 +225,19 @@ out:
return NULL;
}
-/* Note: unless the token object returned by parser_context_peek_token
- * or parser_context_pop_token is explicitly incref'd, it will be
- * deleted as soon as parser_context_pop_token is called again.
+/* Note: the token object returned by parser_context_peek_token or
+ * parser_context_pop_token is deleted as soon as parser_context_pop_token
+ * is called again.
*/
-static QObject *parser_context_pop_token(JSONParserContext *ctxt)
+static JSONToken *parser_context_pop_token(JSONParserContext *ctxt)
{
- qobject_decref(ctxt->current);
+ g_free(ctxt->current);
assert(!g_queue_is_empty(ctxt->buf));
ctxt->current = g_queue_pop_head(ctxt->buf);
return ctxt->current;
}
-static QObject *parser_context_peek_token(JSONParserContext *ctxt)
+static JSONToken *parser_context_peek_token(JSONParserContext *ctxt)
{
assert(!g_queue_is_empty(ctxt->buf));
return g_queue_peek_head(ctxt->buf);
@@ -279,7 +264,7 @@ static void parser_context_free(JSONParserContext *ctxt)
while (!g_queue_is_empty(ctxt->buf)) {
parser_context_pop_token(ctxt);
}
- qobject_decref(ctxt->current);
+ g_free(ctxt->current);
g_queue_free(ctxt->buf);
g_free(ctxt);
}
@@ -290,7 +275,8 @@ static void parser_context_free(JSONParserContext *ctxt)
*/
static int parse_pair(JSONParserContext *ctxt, QDict *dict, va_list *ap)
{
- QObject *key = NULL, *token = NULL, *value, *peek;
+ QObject *key = NULL, *value;
+ JSONToken *peek, *token;
peek = parser_context_peek_token(ctxt);
if (peek == NULL) {
@@ -310,7 +296,7 @@ static int parse_pair(JSONParserContext *ctxt, QDict *dict, va_list *ap)
goto out;
}
- if (token_get_type(token) != JSON_COLON) {
+ if (token->type != JSON_COLON) {
parse_error(ctxt, token, "missing : in object pair");
goto out;
}
@@ -336,10 +322,10 @@ out:
static QObject *parse_object(JSONParserContext *ctxt, va_list *ap)
{
QDict *dict = NULL;
- QObject *token, *peek;
+ JSONToken *token, *peek;
token = parser_context_pop_token(ctxt);
- assert(token && token_get_type(token) == JSON_LCURLY);
+ assert(token && token->type == JSON_LCURLY);
dict = qdict_new();
@@ -349,7 +335,7 @@ static QObject *parse_object(JSONParserContext *ctxt, va_list *ap)
goto out;
}
- if (token_get_type(peek) != JSON_RCURLY) {
+ if (peek->type != JSON_RCURLY) {
if (parse_pair(ctxt, dict, ap) == -1) {
goto out;
}
@@ -360,8 +346,8 @@ static QObject *parse_object(JSONParserContext *ctxt, va_list *ap)
goto out;
}
- while (token_get_type(token) != JSON_RCURLY) {
- if (token_get_type(token) != JSON_COMMA) {
+ while (token->type != JSON_RCURLY) {
+ if (token->type != JSON_COMMA) {
parse_error(ctxt, token, "expected separator in dict");
goto out;
}
@@ -390,10 +376,10 @@ out:
static QObject *parse_array(JSONParserContext *ctxt, va_list *ap)
{
QList *list = NULL;
- QObject *token, *peek;
+ JSONToken *token, *peek;
token = parser_context_pop_token(ctxt);
- assert(token && token_get_type(token) == JSON_LSQUARE);
+ assert(token && token->type == JSON_LSQUARE);
list = qlist_new();
@@ -403,7 +389,7 @@ static QObject *parse_array(JSONParserContext *ctxt, va_list *ap)
goto out;
}
- if (token_get_type(peek) != JSON_RSQUARE) {
+ if (peek->type != JSON_RSQUARE) {
QObject *obj;
obj = parse_value(ctxt, ap);
@@ -420,8 +406,8 @@ static QObject *parse_array(JSONParserContext *ctxt, va_list *ap)
goto out;
}
- while (token_get_type(token) != JSON_RSQUARE) {
- if (token_get_type(token) != JSON_COMMA) {
+ while (token->type != JSON_RSQUARE) {
+ if (token->type != JSON_COMMA) {
parse_error(ctxt, token, "expected separator in list");
goto out;
}
@@ -453,51 +439,47 @@ out:
static QObject *parse_keyword(JSONParserContext *ctxt)
{
- QObject *token;
- const char *val;
+ JSONToken *token;
token = parser_context_pop_token(ctxt);
- assert(token && token_get_type(token) == JSON_KEYWORD);
- val = token_get_value(token);
+ assert(token && token->type == JSON_KEYWORD);
- if (!strcmp(val, "true")) {
+ if (!strcmp(token->str, "true")) {
return QOBJECT(qbool_from_bool(true));
- } else if (!strcmp(val, "false")) {
+ } else if (!strcmp(token->str, "false")) {
return QOBJECT(qbool_from_bool(false));
- } else if (!strcmp(val, "null")) {
+ } else if (!strcmp(token->str, "null")) {
return qnull();
}
- parse_error(ctxt, token, "invalid keyword '%s'", val);
+ parse_error(ctxt, token, "invalid keyword '%s'", token->str);
return NULL;
}
static QObject *parse_escape(JSONParserContext *ctxt, va_list *ap)
{
- QObject *token;
- const char *val;
+ JSONToken *token;
if (ap == NULL) {
return NULL;
}
token = parser_context_pop_token(ctxt);
- assert(token && token_get_type(token) == JSON_ESCAPE);
- val = token_get_value(token);
+ assert(token && token->type == JSON_ESCAPE);
- if (!strcmp(val, "%p")) {
+ if (!strcmp(token->str, "%p")) {
return va_arg(*ap, QObject *);
- } else if (!strcmp(val, "%i")) {
+ } else if (!strcmp(token->str, "%i")) {
return QOBJECT(qbool_from_bool(va_arg(*ap, int)));
- } else if (!strcmp(val, "%d")) {
+ } else if (!strcmp(token->str, "%d")) {
return QOBJECT(qint_from_int(va_arg(*ap, int)));
- } else if (!strcmp(val, "%ld")) {
+ } else if (!strcmp(token->str, "%ld")) {
return QOBJECT(qint_from_int(va_arg(*ap, long)));
- } else if (!strcmp(val, "%lld") ||
- !strcmp(val, "%I64d")) {
+ } else if (!strcmp(token->str, "%lld") ||
+ !strcmp(token->str, "%I64d")) {
return QOBJECT(qint_from_int(va_arg(*ap, long long)));
- } else if (!strcmp(val, "%s")) {
+ } else if (!strcmp(token->str, "%s")) {
return QOBJECT(qstring_from_str(va_arg(*ap, const char *)));
- } else if (!strcmp(val, "%f")) {
+ } else if (!strcmp(token->str, "%f")) {
return QOBJECT(qfloat_from_double(va_arg(*ap, double)));
}
return NULL;
@@ -505,12 +487,12 @@ static QObject *parse_escape(JSONParserContext *ctxt, va_list *ap)
static QObject *parse_literal(JSONParserContext *ctxt)
{
- QObject *token;
+ JSONToken *token;
token = parser_context_pop_token(ctxt);
assert(token);
- switch (token_get_type(token)) {
+ switch (token->type) {
case JSON_STRING:
return QOBJECT(qstring_from_escaped_str(ctxt, token));
case JSON_INTEGER: {
@@ -529,7 +511,7 @@ static QObject *parse_literal(JSONParserContext *ctxt)
int64_t value;
errno = 0; /* strtoll doesn't set errno on success */
- value = strtoll(token_get_value(token), NULL, 10);
+ value = strtoll(token->str, NULL, 10);
if (errno != ERANGE) {
return QOBJECT(qint_from_int(value));
}
@@ -537,8 +519,7 @@ static QObject *parse_literal(JSONParserContext *ctxt)
}
case JSON_FLOAT:
/* FIXME dependent on locale */
- return QOBJECT(qfloat_from_double(strtod(token_get_value(token),
- NULL)));
+ return QOBJECT(qfloat_from_double(strtod(token->str, NULL)));
default:
abort();
}
@@ -546,7 +527,7 @@ static QObject *parse_literal(JSONParserContext *ctxt)
static QObject *parse_value(JSONParserContext *ctxt, va_list *ap)
{
- QObject *token;
+ JSONToken *token;
token = parser_context_peek_token(ctxt);
if (token == NULL) {
@@ -554,7 +535,7 @@ static QObject *parse_value(JSONParserContext *ctxt, va_list *ap)
return NULL;
}
- switch (token_get_type(token)) {
+ switch (token->type) {
case JSON_LCURLY:
return parse_object(ctxt, ap);
case JSON_LSQUARE:
diff --git a/qobject/json-streamer.c b/qobject/json-streamer.c
index f7a3e78..e87230d 100644
--- a/qobject/json-streamer.c
+++ b/qobject/json-streamer.c
@@ -11,10 +11,6 @@
*
*/
-#include "qapi/qmp/qlist.h"
-#include "qapi/qmp/qstring.h"
-#include "qapi/qmp/qint.h"
-#include "qapi/qmp/qdict.h"
#include "qemu-common.h"
#include "qapi/qmp/json-lexer.h"
#include "qapi/qmp/json-streamer.h"
@@ -34,7 +30,7 @@ static void json_message_process_token(JSONLexer *lexer, GString *input,
JSONTokenType type, int x, int y)
{
JSONMessageParser *parser = container_of(lexer, JSONMessageParser, lexer);
- QDict *dict;
+ JSONToken *token;
switch (type) {
case JSON_LCURLY:
@@ -53,15 +49,16 @@ static void json_message_process_token(JSONLexer *lexer, GString *input,
break;
}
- dict = qdict_new();
- qdict_put(dict, "type", qint_from_int(type));
- qdict_put(dict, "token", qstring_from_str(input->str));
- qdict_put(dict, "x", qint_from_int(x));
- qdict_put(dict, "y", qint_from_int(y));
+ token = g_malloc(sizeof(JSONToken) + input->len + 1);
+ token->type = type;
+ memcpy(token->str, input->str, input->len);
+ token->str[input->len] = 0;
+ token->x = x;
+ token->y = y;
parser->token_size += input->len;
- g_queue_push_tail(parser->tokens, dict);
+ g_queue_push_tail(parser->tokens, token);
if (type == JSON_ERROR) {
goto out_emit_bad;
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