json: Make JSONToken opaque outside json-parser.c

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180823164025.12553-52-armbru@redhat.com>
diff --git a/qobject/json-parser.c b/qobject/json-parser.c
index e9a9f93..a247875 100644
--- a/qobject/json-parser.c
+++ b/qobject/json-parser.c
@@ -26,6 +26,13 @@
 #include "qapi/qmp/json-lexer.h"
 #include "qapi/qmp/json-streamer.h"
 
+struct JSONToken {
+    JSONTokenType type;
+    int x;
+    int y;
+    char str[];
+};
+
 typedef struct JSONParserContext
 {
     Error *err;
@@ -538,6 +545,18 @@
     }
 }
 
+JSONToken *json_token(JSONTokenType type, int x, int y, GString *tokstr)
+{
+    JSONToken *token = g_malloc(sizeof(JSONToken) + tokstr->len + 1);
+
+    token->type = type;
+    memcpy(token->str, tokstr->str, tokstr->len);
+    token->str[tokstr->len] = 0;
+    token->x = x;
+    token->y = y;
+    return token;
+}
+
 QObject *json_parser_parse(GQueue *tokens, va_list *ap, Error **errp)
 {
     JSONParserContext ctxt = { .buf = tokens };