ext/json/ext/parser/parser.rl in json_pure-2.0.0 vs ext/json/ext/parser/parser.rl in json_pure-2.0.1

@@ -129,11 +129,11 @@
 
     write data;
 
     action parse_value {
         VALUE v = Qnil;
-        char *np = JSON_parse_value(json, fpc, pe, &v);
+        char *np = JSON_parse_value(json, fpc, pe, &v, current_nesting);
         if (np == NULL) {
             fhold; fbreak;
         } else {
             if (NIL_P(json->object_class)) {
                 rb_hash_aset(*result, last_name, v);
@@ -162,18 +162,18 @@
       (pair (next_pair)*)? ignore*
       end_object
     ) @exit;
 }%%
 
-static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result)
+static char *JSON_parse_object(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting)
 {
     int cs = EVIL;
     VALUE last_name = Qnil;
     VALUE object_class = json->object_class;
 
-    if (json->max_nesting && json->current_nesting > json->max_nesting) {
-        rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting);
+    if (json->max_nesting && current_nesting > json->max_nesting) {
+        rb_raise(eNestingError, "nesting of %d is too deep", current_nesting);
     }
 
     *result = NIL_P(object_class) ? rb_hash_new() : rb_class_new_instance(0, 0, object_class);
 
     %% write init;
@@ -253,21 +253,17 @@
         fhold; fbreak;
     }
 
     action parse_array {
         char *np;
-        json->current_nesting++;
-        np = JSON_parse_array(json, fpc, pe, result);
-        json->current_nesting--;
+        np = JSON_parse_array(json, fpc, pe, result, current_nesting + 1);
         if (np == NULL) { fhold; fbreak; } else fexec np;
     }
 
     action parse_object {
         char *np;
-        json->current_nesting++;
-        np =  JSON_parse_object(json, fpc, pe, result);
-        json->current_nesting--;
+        np =  JSON_parse_object(json, fpc, pe, result, current_nesting + 1);
         if (np == NULL) { fhold; fbreak; } else fexec np;
     }
 
     action exit { fhold; fbreak; }
 
@@ -282,11 +278,11 @@
               begin_array >parse_array |
               begin_object >parse_object
         ) ignore* %*exit;
 }%%
 
-static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result)
+static char *JSON_parse_value(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting)
 {
     int cs = EVIL;
 
     %% write init;
     %% write exec;
@@ -369,11 +365,11 @@
 
     write data;
 
     action parse_value {
         VALUE v = Qnil;
-        char *np = JSON_parse_value(json, fpc, pe, &v);
+        char *np = JSON_parse_value(json, fpc, pe, &v, current_nesting);
         if (np == NULL) {
             fhold; fbreak;
         } else {
             if (NIL_P(json->array_class)) {
                 rb_ary_push(*result, v);
@@ -392,17 +388,17 @@
           ((begin_value >parse_value ignore*)
            (ignore* next_element ignore*)*)?
           end_array @exit;
 }%%
 
-static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result)
+static char *JSON_parse_array(JSON_Parser *json, char *p, char *pe, VALUE *result, int current_nesting)
 {
     int cs = EVIL;
     VALUE array_class = json->array_class;
 
-    if (json->max_nesting && json->current_nesting > json->max_nesting) {
-        rb_raise(eNestingError, "nesting of %d is too deep", json->current_nesting);
+    if (json->max_nesting && current_nesting > json->max_nesting) {
+        rb_raise(eNestingError, "nesting of %d is too deep", current_nesting);
     }
     *result = NIL_P(array_class) ? rb_ary_new() : rb_class_new_instance(0, 0, array_class);
 
     %% write init;
     %% write exec;
@@ -694,11 +690,10 @@
         json->create_id = rb_funcall(mJSON, i_create_id, 0);
         json->object_class = Qnil;
         json->array_class = Qnil;
     }
     source = convert_encoding(StringValue(source));
-    json->current_nesting = 0;
     StringValue(source);
     json->len = RSTRING_LEN(source);
     json->source = RSTRING_PTR(source);;
     json->Vsource = source;
     return self;
@@ -710,10 +705,10 @@
     write data;
 
     include JSON_common;
 
     action parse_value {
-        char *np = JSON_parse_value(json, fpc, pe, &result);
+        char *np = JSON_parse_value(json, fpc, pe, &result, 0);
         if (np == NULL) { fhold; fbreak; } else fexec np;
     }
 
     main := ignore* (
             begin_value >parse_value