[11/14] Remove unused function arguments

diff --git a/json-parser.c b/json-parser.c
index 70b9b6f..68ff9c1 100644
--- a/json-parser.c
+++ b/json-parser.c
@@ -91,7 +91,7 @@  static int token_is_escape(QObject *obj, const char *value)
 /**
  * Error handler
  */
-static void parse_error(JSONParserContext *ctxt, QObject *token, const char *msg, ...)
+static void parse_error(const char *msg, ...)
 {
     va_list ap;
     va_start(ap, msg);
@@ -165,7 +165,7 @@  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(QObject *token)
 {
     const char *ptr = token_get_value(token);
     QString *str;
@@ -232,8 +232,7 @@  static QString *qstring_from_escaped_str(JSONParserContext *ctxt, QObject *token
                     if (qemu_isxdigit(*ptr)) {
                         unicode_char |= hex2decimal(*ptr) << ((3 - i) * 4);
                     } else {
-                        parse_error(ctxt, token,
-                                    "invalid hex escape sequence in string");
+                        parse_error("invalid hex escape sequence in string");
                         goto out;
                     }
                     ptr++;
@@ -243,7 +242,7 @@  static QString *qstring_from_escaped_str(JSONParserContext *ctxt, QObject *token
                 qstring_append(str, utf8_char);
             }   break;
             default:
-                parse_error(ctxt, token, "invalid escape sequence in string");
+                parse_error("invalid escape sequence in string");
                 goto out;
             }
         } else {
@@ -274,19 +273,19 @@  static int parse_pair(JSONParserContext *ctxt, QDict *dict, QList **tokens, va_l
     peek = qlist_peek(working);
     key = parse_value(ctxt, &working, ap);
     if (!key || qobject_type(key) != QTYPE_QSTRING) {
-        parse_error(ctxt, peek, "key is not a string in object");
+        parse_error("key is not a string in object");
         goto out;
     }
 
     token = qlist_pop(working);
     if (!token_is_operator(token, ':')) {
-        parse_error(ctxt, token, "missing : in object pair");
+        parse_error("missing : in object pair");
         goto out;
     }
 
     value = parse_value(ctxt, &working, ap);
     if (value == NULL) {
-        parse_error(ctxt, token, "Missing value in dict");
+        parse_error("Missing value in dict");
         goto out;
     }
 
@@ -331,7 +330,7 @@  static QObject *parse_object(JSONParserContext *ctxt, QList **tokens, va_list *a
         token = qlist_pop(working);
         while (!token_is_operator(token, '}')) {
             if (!token_is_operator(token, ',')) {
-                parse_error(ctxt, token, "expected separator in dict");
+                parse_error("expected separator in dict");
                 goto out;
             }
             qobject_decref(token);
@@ -384,7 +383,7 @@  static QObject *parse_array(JSONParserContext *ctxt, QList **tokens, va_list *ap
 
         obj = parse_value(ctxt, &working, ap);
         if (obj == NULL) {
-            parse_error(ctxt, token, "expecting value");
+            parse_error("expecting value");
             goto out;
         }
 
@@ -393,7 +392,7 @@  static QObject *parse_array(JSONParserContext *ctxt, QList **tokens, va_list *ap
         token = qlist_pop(working);
         while (!token_is_operator(token, ']')) {
             if (!token_is_operator(token, ',')) {
-                parse_error(ctxt, token, "expected separator in list");
+                parse_error("expected separator in list");
                 goto out;
             }
 
@@ -402,7 +401,7 @@  static QObject *parse_array(JSONParserContext *ctxt, QList **tokens, va_list *ap
 
             obj = parse_value(ctxt, &working, ap);
             if (obj == NULL) {
-                parse_error(ctxt, token, "expecting value");
+                parse_error("expecting value");
                 goto out;
             }
 
@@ -431,7 +430,7 @@  out:
     return NULL;
 }
 
-static QObject *parse_keyword(JSONParserContext *ctxt, QList **tokens)
+static QObject *parse_keyword(QList **tokens)
 {
     QObject *token, *ret;
     QList *working = qlist_copy(*tokens);
@@ -447,7 +446,7 @@  static QObject *parse_keyword(JSONParserContext *ctxt, QList **tokens)
     } else if (token_is_keyword(token, "false")) {
         ret = QOBJECT(qbool_from_int(false));
     } else {
-        parse_error(ctxt, token, "invalid keyword `%s'", token_get_value(token));
+        parse_error("invalid keyword `%s'", token_get_value(token));
         goto out;
     }
 
@@ -464,7 +463,7 @@  out:
     return NULL;
 }
 
-static QObject *parse_escape(JSONParserContext *ctxt, QList **tokens, va_list *ap)
+static QObject *parse_escape(QList **tokens, va_list *ap)
 {
     QObject *token = NULL, *obj;
     QList *working = qlist_copy(*tokens);
@@ -507,7 +506,7 @@  out:
     return NULL;
 }
 
-static QObject *parse_literal(JSONParserContext *ctxt, QList **tokens)
+static QObject *parse_literal(QList **tokens)
 {
     QObject *token, *obj;
     QList *working = qlist_copy(*tokens);
@@ -515,7 +514,7 @@  static QObject *parse_literal(JSONParserContext *ctxt, QList **tokens)
     token = qlist_pop(working);
     switch (token_get_type(token)) {
     case JSON_STRING:
-        obj = QOBJECT(qstring_from_escaped_str(ctxt, token));
+        obj = QOBJECT(qstring_from_escaped_str(token));
         break;
     case JSON_INTEGER:
         obj = QOBJECT(qint_from_int(strtoll(token_get_value(token), NULL, 10)));
@@ -550,13 +549,13 @@  static QObject *parse_value(JSONParserContext *ctxt, QList **tokens, va_list *ap
         obj = parse_array(ctxt, tokens, ap);
     }
     if (obj == NULL) {
-        obj = parse_escape(ctxt, tokens, ap);
+        obj = parse_escape(tokens, ap);
     }
     if (obj == NULL) {
-        obj = parse_keyword(ctxt, tokens);
+        obj = parse_keyword(tokens);
     } 
     if (obj == NULL) {
-        obj = parse_literal(ctxt, tokens);
+        obj = parse_literal(tokens);
     }
 
     return obj;