Patch 8.2.1149
Problem:    Vim9: :eval command not handled properly.
Solution:   Compile the :eval command. (closes #6408)
Files:      src/vim9compile.c, src/testdir/test_vim9_cmd.vim


*** ../vim-8.2.1148/src/vim9compile.c   2020-07-06 21:53:14.472719363 +0200
--- src/vim9compile.c   2020-07-06 23:03:49.281362664 +0200
***************
*** 3852,3858 ****
                        char_u *start = skipwhite(*arg + 1);
  
                        // Find out what comes after the arguments.
-                       // TODO: pass getline function
                        ret = get_function_args(&start, '-', NULL,
                                           NULL, NULL, NULL, TRUE, NULL, NULL);
                        if (ret != FAIL && *start == '>')
--- 3852,3857 ----
***************
*** 6990,7010 ****
            }
  
            // Expression or function call.
!           if (ea.cmdidx == CMD_eval)
            {
!               p = ea.cmd;
!               if (compile_expr0(&p, &cctx) == FAIL)
!                   goto erret;
! 
!               // drop the return value
!               generate_instr_drop(&cctx, ISN_DROP, 1);
! 
!               line = skipwhite(p);
!               continue;
            }
-           // CMD_let cannot happen, compile_assignment() above is used
-           iemsg("Command from find_ex_command() not handled");
-           goto erret;
        }
  
        p = skipwhite(p);
--- 6989,7000 ----
            }
  
            // Expression or function call.
!           if (ea.cmdidx != CMD_eval)
            {
!               // CMD_let cannot happen, compile_assignment() above is used
!               iemsg("Command from find_ex_command() not handled");
!               goto erret;
            }
        }
  
        p = skipwhite(p);
***************
*** 7124,7129 ****
--- 7114,7129 ----
                    line = compile_throw(p, &cctx);
                    break;
  
+           case CMD_eval:
+                   if (compile_expr0(&p, &cctx) == FAIL)
+                       goto erret;
+ 
+                   // drop the return value
+                   generate_instr_drop(&cctx, ISN_DROP, 1);
+ 
+                   line = skipwhite(p);
+                   break;
+ 
            case CMD_echo:
            case CMD_echon:
            case CMD_execute:
*** ../vim-8.2.1148/src/testdir/test_vim9_cmd.vim       2020-07-05 
15:32:09.315656860 +0200
--- src/testdir/test_vim9_cmd.vim       2020-07-06 23:03:14.353445331 +0200
***************
*** 248,252 ****
--- 248,267 ----
    endif
  enddef
  
+ def Test_eval_command()
+   let from = 3
+   let to = 5
+   g:val = 111
+   def Increment(nrs: list<number>)
+     for nr in nrs
+       g:val += nr
+     endfor
+   enddef
+   eval range(from, to)
+         ->Increment()
+   assert_equal(111 + 3 + 4 + 5, g:val)
+   unlet g:val
+ enddef
+ 
  
  " vim: ts=8 sw=2 sts=2 expandtab tw=80 fdm=marker
*** ../vim-8.2.1148/src/version.c       2020-07-06 21:53:14.472719363 +0200
--- src/version.c       2020-07-06 22:54:55.038530700 +0200
***************
*** 756,757 ****
--- 756,759 ----
  {   /* Add new patch number below this line */
+ /**/
+     1149,
  /**/

-- 
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decision-maker.
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