[njs] Using correct code size addition.

[Igor Sysoev]

details:   http://hg.nginx.org/njs/rev/5fd1cb826b96
branches:  
changeset: 492:5fd1cb826b96
user:      Igor Sysoev <igor at sysoev.ru>
date:      Wed Apr 04 16:21:09 2018 +0300
description:
Using correct code size addition.

Found by Clang Static Analyzer.

diffstat:

 njs/njs_parser_expression.c |  22 ++++++++++------------
 1 files changed, 10 insertions(+), 12 deletions(-)

diffs (53 lines):

diff -r c64c3f5b6328 -r 5fd1cb826b96 njs/njs_parser_expression.c
--- a/njs/njs_parser_expression.c	Tue Apr 03 19:47:57 2018 +0300
+++ b/njs/njs_parser_expression.c	Wed Apr 04 16:21:09 2018 +0300
@@ -862,6 +862,11 @@ njs_parser_inc_dec_expression(njs_vm_t *
         return NJS_TOKEN_ILLEGAL;
     }
 
+    parser->code_size += (parser->node->token == NJS_TOKEN_NAME)
+                             ? sizeof(njs_vmcode_3addr_t)
+                             : sizeof(njs_vmcode_3addr_t)
+                               + sizeof(njs_vmcode_prop_set_t);
+
     node = njs_parser_node_alloc(vm);
     if (nxt_slow_path(node == NULL)) {
         return NJS_TOKEN_ERROR;
@@ -873,12 +878,6 @@ njs_parser_inc_dec_expression(njs_vm_t *
     node->left = parser->node;
     parser->node = node;
 
-    parser->code_size += (token == NJS_TOKEN_NAME)
-                             ? sizeof(njs_vmcode_3addr_t)
-                             : sizeof(njs_vmcode_prop_get_t)
-                               + sizeof(njs_vmcode_3addr_t)
-                               + sizeof(njs_vmcode_prop_set_t);
-
     return next;
 }
 
@@ -918,6 +917,11 @@ njs_parser_post_inc_dec_expression(njs_v
         return NJS_TOKEN_ILLEGAL;
     }
 
+    parser->code_size += (parser->node->token == NJS_TOKEN_NAME)
+                             ? sizeof(njs_vmcode_3addr_t)
+                             : sizeof(njs_vmcode_3addr_t)
+                               + sizeof(njs_vmcode_prop_set_t);
+
     node = njs_parser_node_alloc(vm);
     if (nxt_slow_path(node == NULL)) {
         return NJS_TOKEN_ERROR;
@@ -929,12 +933,6 @@ njs_parser_post_inc_dec_expression(njs_v
     node->left = parser->node;
     parser->node = node;
 
-    parser->code_size += (token == NJS_TOKEN_NAME)
-                             ? sizeof(njs_vmcode_3addr_t)
-                             : sizeof(njs_vmcode_prop_get_t)
-                               + sizeof(njs_vmcode_3addr_t)
-                               + sizeof(njs_vmcode_prop_set_t);
-
     return njs_parser_token(parser);
 }