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comparison src/vim9instr.c @ 28103:1615d305c71d v8.2.4576

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patch 8.2.4576: Vim9: error for comparing with null can be annoying Commit: https://github.com/vim/vim/commit/056678184f679c2989b73bd48eda112f3c79a62f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 15 20:21:33 2022 +0000 patch 8.2.4576: Vim9: error for comparing with null can be annoying Problem: Vim9: error for comparing with null can be annoying. Solution: Allow comparing anything with null. (closes https://github.com/vim/vim/issues/9948)
author Bram Moolenaar <Bram@vim.org>
date Tue, 15 Mar 2022 21:30:03 +0100
parents 3bc0a639dfb0
children 088d8dc22045
comparison
equal deleted inserted replaced
28102:9aa6dfbd4698 28103:1615d305c71d
395 { 395 {
396 semsg(_(e_cannot_compare_str_with_str), 396 semsg(_(e_cannot_compare_str_with_str),
397 vartype_name(vartype1), vartype_name(vartype2)); 397 vartype_name(vartype1), vartype_name(vartype2));
398 return ISN_DROP; 398 return ISN_DROP;
399 } 399 }
400 switch (vartype1 == VAR_SPECIAL ? vartype2 : vartype1) 400 // although comparing null with number, float or bool is not useful, we
401 { 401 // allow it
402 case VAR_BLOB: break;
403 case VAR_CHANNEL: break;
404 case VAR_DICT: break;
405 case VAR_FUNC: break;
406 case VAR_JOB: break;
407 case VAR_LIST: break;
408 case VAR_PARTIAL: break;
409 case VAR_STRING: break;
410 default: semsg(_(e_cannot_compare_str_with_str),
411 vartype_name(vartype1), vartype_name(vartype2));
412 return ISN_DROP;
413 }
414 isntype = ISN_COMPARENULL; 402 isntype = ISN_COMPARENULL;
415 } 403 }
416 404
417 if ((exprtype == EXPR_IS || exprtype == EXPR_ISNOT) 405 if ((exprtype == EXPR_IS || exprtype == EXPR_ISNOT)
418 && (isntype == ISN_COMPAREBOOL 406 && (isntype == ISN_COMPAREBOOL