quinn-os/my-basic
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*fixed a crash bug with the do-until statement.

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This commit is contained in:
Wang Renxin 2017-11-25 17:32:39 +08:00
parent 6ff2f37a6d
commit 69036f748e
1 changed files with 4 additions and 4 deletions
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8
core/my_basic.c
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@ -15918,7 +15918,7 @@ _loop_begin:
ast = loop_begin_node; ast = loop_begin_node;
obj = (_object_t*)ast->data; obj = (_object_t*)ast->data;
while(!_IS_FUNC(obj, _core_until)) { while(obj && !_IS_FUNC(obj, _core_until)) {
result = _execute_statement(s, &ast, true); result = _execute_statement(s, &ast, true);
if(result == MB_LOOP_BREAK) { /* EXIT */ if(result == MB_LOOP_BREAK) { /* EXIT */
if(_skip_struct(s, &ast, _core_do, 0, _core_until) != MB_FUNC_OK) if(_skip_struct(s, &ast, _core_do, 0, _core_until) != MB_FUNC_OK)
@ -15936,11 +15936,11 @@ _loop_begin:
goto _exit; goto _exit;
} }
obj = (_object_t*)ast->data; obj = ast ? (_object_t*)ast->data : 0;
} }
obj = (_object_t*)ast->data; obj = ast ? (_object_t*)ast->data : 0;
if(!_IS_FUNC(obj, _core_until)) { if(!obj || !_IS_FUNC(obj, _core_until)) {
_handle_error_on_obj(s, SE_RN_UNTIL_EXPECTED, s->source_file, DON(ast), MB_FUNC_ERR, _exit, result); _handle_error_on_obj(s, SE_RN_UNTIL_EXPECTED, s->source_file, DON(ast), MB_FUNC_ERR, _exit, result);
} }
ast = ast->next; ast = ast->next;