From 040e7af22f1166f9d202dc4fa736279e5dde33d9 Mon Sep 17 00:00:00 2001
From: hongzhidao <hongzhidao@gmail.com>
Date: Fri, 5 Apr 2019 20:59:15 +0800
Subject: [PATCH] Removed unnecessary njs_parser_var_expression().

---
 njs/njs_parser.c            |  4 +--
 njs/njs_parser.h            |  2 --
 njs/njs_parser_expression.c | 53 -------------------------------------
 3 files changed, 2 insertions(+), 57 deletions(-)

diff --git a/njs/njs_parser.c b/njs/njs_parser.c
index 4d294a7b..12608cd5 100644
--- a/njs/njs_parser.c
+++ b/njs/njs_parser.c
@@ -1055,7 +1055,7 @@ njs_parser_var_statement(njs_vm_t *vm, njs_parser_t *parser)
                 return token;
             }
 
-            token = njs_parser_var_expression(vm, parser, token);
+            token = njs_parser_assignment_expression(vm, parser, token);
             if (nxt_slow_path(token <= NJS_TOKEN_ILLEGAL)) {
                 return token;
             }
@@ -1501,7 +1501,7 @@ njs_parser_for_var_statement(njs_vm_t *vm, njs_parser_t *parser)
                 return token;
             }
 
-            token = njs_parser_var_expression(vm, parser, token);
+            token = njs_parser_assignment_expression(vm, parser, token);
             if (nxt_slow_path(token <= NJS_TOKEN_ILLEGAL)) {
                 return token;
             }
diff --git a/njs/njs_parser.h b/njs/njs_parser.h
index 62ce9405..95fb681a 100644
--- a/njs/njs_parser.h
+++ b/njs/njs_parser.h
@@ -78,8 +78,6 @@ nxt_int_t njs_parser(njs_vm_t *vm, njs_parser_t *parser,
     njs_parser_t *prev);
 njs_token_t njs_parser_expression(njs_vm_t *vm, njs_parser_t *parser,
     njs_token_t token);
-njs_token_t njs_parser_var_expression(njs_vm_t *vm, njs_parser_t *parser,
-    njs_token_t token);
 njs_token_t njs_parser_assignment_expression(njs_vm_t *vm,
     njs_parser_t *parser, njs_token_t token);
 njs_token_t njs_parser_function_expression(njs_vm_t *vm, njs_parser_t *parser);
diff --git a/njs/njs_parser_expression.c b/njs/njs_parser_expression.c
index 72f54900..ddd0a5fa 100644
--- a/njs/njs_parser_expression.c
+++ b/njs/njs_parser_expression.c
@@ -210,59 +210,6 @@ njs_parser_expression(njs_vm_t *vm, njs_parser_t *parser, njs_token_t token)
 }
 
 
-njs_token_t
-njs_parser_var_expression(njs_vm_t *vm, njs_parser_t *parser, njs_token_t token)
-{
-    njs_parser_node_t       *node;
-    njs_vmcode_operation_t  operation;
-
-    token = njs_parser_assignment_expression(vm, parser, token);
-    if (nxt_slow_path(token <= NJS_TOKEN_ILLEGAL)) {
-        return token;
-    }
-
-    for ( ;; ) {
-        switch (token) {
-
-        case NJS_TOKEN_ASSIGNMENT:
-            nxt_thread_log_debug("JS: =");
-            operation = njs_vmcode_move;
-            break;
-
-        default:
-            return token;
-        }
-
-        if (!njs_parser_is_lvalue(parser->node)) {
-            njs_parser_ref_error(vm, parser,
-                                 "Invalid left-hand side in assignment");
-            return NJS_TOKEN_ILLEGAL;
-        }
-
-        node = njs_parser_node_new(vm, parser, token);
-        if (nxt_slow_path(node == NULL)) {
-            return NJS_TOKEN_ERROR;
-        }
-
-        node->u.operation = operation;
-        node->left = parser->node;
-
-        token = njs_parser_token(vm, parser);
-        if (nxt_slow_path(token <= NJS_TOKEN_ILLEGAL)) {
-            return token;
-        }
-
-        token = njs_parser_var_expression(vm, parser, token);
-        if (nxt_slow_path(token <= NJS_TOKEN_ILLEGAL)) {
-            return token;
-        }
-
-        node->right = parser->node;
-        parser->node = node;
-    }
-}
-
-
 static njs_token_t
 njs_parser_any_expression(njs_vm_t *vm, njs_parser_t *parser,
     const njs_parser_expression_t *expr, njs_token_t token)
-- 
2.47.3