dfilter: Remove STTYPE_RANGE_NODE

STTYPE_RANGE_NODE is just a lexical token, it is
not used withi the syntax tree so remove it.

epan/dfilter/grammar.lemon

@@ -380,13 +380,25 @@ slice(R) ::= entity(E) LBRACKET range_node_list(L) RBRACKET.
 
 range_node_list(L) ::= RANGE_NODE(N).
 {
-    L = g_slist_append(NULL, stnode_steal_data(N));
+    char *err_msg = NULL;
+    drange_node *rn = drange_node_from_str(stnode_token(N), &err_msg);
+    if (err_msg != NULL) {
+        FAIL(dfw, N, "%s", err_msg);
+        g_free(err_msg);
+    }
+    L = g_slist_append(NULL, rn);
     stnode_free(N);
 }
 
 range_node_list(L) ::= range_node_list(P) COMMA RANGE_NODE(N).
 {
-    L = g_slist_append(P, stnode_steal_data(N));
+    char *err_msg = NULL;
+    drange_node *rn = drange_node_from_str(stnode_token(N), &err_msg);
+    if (err_msg != NULL) {
+        FAIL(dfw, N, "%s", err_msg);
+        g_free(err_msg);
+    }
+    L = g_slist_append(P, rn);
     stnode_free(N);
 }
 

epan/dfilter/scanner.l

@@ -84,7 +84,6 @@ static int set_lval_str(df_scanner_state_t *state, int token, const char *token_
 
 static int set_lval_quoted_string(df_scanner_state_t *state, int token, GString *quoted_string);
 static int set_lval_charconst(df_scanner_state_t *state, int token, GString *quoted_string);
-static int set_lval_range_node(df_scanner_state_t *state, int token, const char *token_value);
 static int set_lval_field(df_scanner_state_t *state, int token, const char *token_value);
 
 #define simple(token)	(update_location(yyextra, yytext), set_lval_simple(yyextra, token, yytext, STTYPE_UNINITIALIZED))
@@ -223,7 +222,7 @@ hyphen-bytes	{hex2}(-{hex2})+
 
 <RANGE>[^],]+			{
 	update_location(yyextra, yytext);
-	return set_lval_range_node(yyextra, TOKEN_RANGE_NODE, yytext);
+	return set_lval_simple(yyextra, TOKEN_RANGE_NODE, yytext, STTYPE_UNINITIALIZED);
 }
 
 <RANGE>","			{
@@ -582,23 +581,6 @@ set_lval_field(df_scanner_state_t *state, int token, const char *token_value)
 	return token;
 }
 
-static int
-set_lval_range_node(df_scanner_state_t *state, int token, const char *token_value)
-{
-	ws_assert(token == TOKEN_RANGE_NODE);
-	char *err = NULL;
-	drange_node *range;
-
-	range = drange_node_from_str(token_value, &err);
-	if (err != NULL) {
-		dfilter_fail(state->dfw, &state->location, "%s", err);
-		g_free(err);
-		return SCAN_FAILED;
-	}
-	stnode_init(df_lval, STTYPE_RANGE_NODE, range, g_strdup(token_value), &state->location);
-	return token;
-}
-
 static gboolean
 append_escaped_char(df_scanner_state_t *state, GString *str, char c)
 {

epan/dfilter/semcheck.c

@@ -541,7 +541,6 @@ check_exists(dfwork_t *dfw, stnode_t *st_arg1)
 		case STTYPE_TEST:
 		case STTYPE_FVALUE:
 		case STTYPE_PCRE:
-		case STTYPE_RANGE_NODE:
 			ws_assert_not_reached();
 	}
 }

epan/dfilter/sttype-pointer.c

@@ -87,21 +87,6 @@ out:
 	return ws_strdup_printf("'\\x%02lx'", num);
 }
 
-static void
-range_node_free(void *data)
-{
-	/* If the data was not claimed with stnode_steal_data(), free it. */
-	if (data) {
-		drange_node_free(data);
-	}
-}
-
-static char *
-range_node_tostr(const void *data, gboolean pretty _U_)
-{
-	return drange_node_tostr(data);
-}
-
 ftenum_t
 sttype_pointer_ftenum(stnode_t *node)
 {
@@ -144,19 +129,10 @@ sttype_register_pointer(void)
 		NULL,
 		charconst_tostr
 	};
-	static sttype_t range_node_type = {
-		STTYPE_RANGE_NODE,
-		"RANGE_NODE",
-		NULL,
-		range_node_free,
-		NULL,
-		range_node_tostr
-	};
 
 	sttype_register(&fvalue_type);
 	sttype_register(&pcre_type);
 	sttype_register(&charconst_type);
-	sttype_register(&range_node_type);
 }
 
 /*

epan/dfilter/syntax-tree.h

@@ -31,7 +31,6 @@ typedef enum {
 	STTYPE_FIELD,
 	STTYPE_FVALUE,
 	STTYPE_SLICE,
-	STTYPE_RANGE_NODE,
 	STTYPE_FUNCTION,
 	STTYPE_SET,
 	STTYPE_PCRE,