[njs] Added njs_vm_retval_dump().

[Dmitry Volyntsev]

details:   http://hg.nginx.org/njs/rev/f5ba2d1d3752
branches:  
changeset: 641:f5ba2d1d3752
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Wed Nov 07 18:41:28 2018 +0300
description:
Added njs_vm_retval_dump().

diffstat:

 njs/njs.c       |  18 ++++++++++++++++--
 njs/njs.h       |  10 ++++++----
 njs/njs_shell.c |   2 +-
 3 files changed, 23 insertions(+), 7 deletions(-)

diffs (74 lines):

diff -r f174a6ad9c3c -r f5ba2d1d3752 njs/njs.c
--- a/njs/njs.c	Wed Nov 07 18:41:25 2018 +0300
+++ b/njs/njs.c	Wed Nov 07 18:41:28 2018 +0300
@@ -671,7 +671,8 @@ njs_vm_memory_error(njs_vm_t *vm)
 }
 
 
-njs_ret_t njs_vm_retval_to_ext_string(njs_vm_t *vm, nxt_str_t *retval)
+njs_ret_t
+njs_vm_retval_to_ext_string(njs_vm_t *vm, nxt_str_t *dst)
 {
     if (vm->top_frame == NULL) {
         /* An exception was thrown during compilation. */
@@ -679,7 +680,20 @@ njs_ret_t njs_vm_retval_to_ext_string(nj
         njs_vm_init(vm);
     }
 
-    return njs_vm_value_to_ext_string(vm, retval, &vm->retval, 1);
+    return njs_vm_value_to_ext_string(vm, dst, &vm->retval, 1);
+}
+
+
+njs_ret_t
+njs_vm_retval_dump(njs_vm_t *vm, nxt_str_t *dst, nxt_uint_t indent)
+{
+    if (vm->top_frame == NULL) {
+        /* An exception was thrown during compilation. */
+
+        njs_vm_init(vm);
+    }
+
+    return njs_vm_value_dump(vm, dst, &vm->retval, 1);
 }
 
 
diff -r f174a6ad9c3c -r f5ba2d1d3752 njs/njs.h
--- a/njs/njs.h	Wed Nov 07 18:41:25 2018 +0300
+++ b/njs/njs.h	Wed Nov 07 18:41:28 2018 +0300
@@ -200,8 +200,12 @@ NXT_EXPORT nxt_int_t njs_value_string_co
 
 NXT_EXPORT njs_ret_t njs_vm_value_to_ext_string(njs_vm_t *vm, nxt_str_t *dst,
     const njs_value_t *src, nxt_uint_t handle_exception);
-NXT_EXPORT njs_ret_t njs_vm_retval_to_ext_string(njs_vm_t *vm,
-    nxt_str_t *retval);
+NXT_EXPORT njs_ret_t njs_vm_retval_to_ext_string(njs_vm_t *vm, nxt_str_t *dst);
+
+NXT_EXPORT njs_ret_t njs_vm_value_dump(njs_vm_t *vm, nxt_str_t *dst,
+    const njs_value_t *value, nxt_uint_t indent);
+NXT_EXPORT njs_ret_t njs_vm_retval_dump(njs_vm_t *vm, nxt_str_t *dst,
+    nxt_uint_t indent);
 
 NXT_EXPORT void njs_vm_memory_error(njs_vm_t *vm);
 
@@ -226,8 +230,6 @@ NXT_EXPORT nxt_int_t njs_value_is_string
 NXT_EXPORT nxt_int_t njs_value_is_object(const njs_value_t *value);
 NXT_EXPORT nxt_int_t njs_value_is_function(const njs_value_t *value);
 
-NXT_EXPORT njs_ret_t njs_vm_value_dump(njs_vm_t *vm, nxt_str_t *retval,
-    const njs_value_t *value, nxt_uint_t indent);
 NXT_EXPORT njs_ret_t njs_vm_object_alloc(njs_vm_t *vm, njs_value_t *retval,
     ...);
 NXT_EXPORT njs_value_t *njs_vm_object_prop(njs_vm_t *vm,
diff -r f174a6ad9c3c -r f5ba2d1d3752 njs/njs_shell.c
--- a/njs/njs_shell.c	Wed Nov 07 18:41:25 2018 +0300
+++ b/njs/njs_shell.c	Wed Nov 07 18:41:28 2018 +0300
@@ -452,7 +452,7 @@ njs_process_script(njs_vm_t *vm, njs_opt
         ret = njs_vm_run(vm);
     }
 
-    if (njs_vm_value_dump(vm, out, njs_vm_retval(vm), 1) != NXT_OK) {
+    if (njs_vm_retval_dump(vm, out, 1) != NXT_OK) {
         *out = nxt_string_value("failed to get retval from VM");
         return NXT_ERROR;
     }