Mercurial > vim
comparison src/ex_docmd.c @ 21130:4a1e8086759b v8.2.1116
patch 8.2.1116: Vim9: parsing command checks for list twice
Commit: https://github.com/vim/vim/commit/d2ef6b320bf2e2f3fcc0bb858b16898e6f74b4d9
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Jul 2 21:11:34 2020 +0200
patch 8.2.1116: Vim9: parsing command checks for list twice
Problem: Vim9: parsing command checks for list twice.
Solution: Adjust how a command is parsed.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Thu, 02 Jul 2020 21:15:05 +0200 |
parents | 839ace6773aa |
children | 96ae8622cfb6 |
comparison
equal
deleted
inserted
replaced
21129:9a40ce00f714 | 21130:4a1e8086759b |
---|---|
3217 /* | 3217 /* |
3218 * Recognize a Vim9 script function/method call and assignment: | 3218 * Recognize a Vim9 script function/method call and assignment: |
3219 * "lvar = value", "lvar(arg)", "[1, 2 3]->Func()" | 3219 * "lvar = value", "lvar(arg)", "[1, 2 3]->Func()" |
3220 */ | 3220 */ |
3221 p = eap->cmd; | 3221 p = eap->cmd; |
3222 if (lookup != NULL && (*p == '(' || *p == '[' || *p == '{' | 3222 if (lookup != NULL && (*p == '(' || *p == '{' |
3223 || ((p = to_name_const_end(eap->cmd)) > eap->cmd && *p != NUL))) | 3223 || ((p = to_name_const_end(eap->cmd)) > eap->cmd && *p != NUL) |
3224 || *p == '[')) | |
3224 { | 3225 { |
3225 int oplen; | 3226 int oplen; |
3226 int heredoc; | 3227 int heredoc; |
3227 | 3228 |
3228 // "funcname(" is always a function call. | 3229 // "funcname(" is always a function call. |
3231 // "varname->expr" is an expression. | 3232 // "varname->expr" is an expression. |
3232 // "(..." is an expression. | 3233 // "(..." is an expression. |
3233 // "{..." is an dict expression. | 3234 // "{..." is an dict expression. |
3234 if (*p == '(' | 3235 if (*p == '(' |
3235 || *p == '{' | 3236 || *p == '{' |
3237 || (*p == '[' && p > eap->cmd) | |
3236 || p[1] == ':' | 3238 || p[1] == ':' |
3237 || (*p == '-' && p[1] == '>')) | 3239 || (*p == '-' && p[1] == '>')) |
3240 { | |
3241 eap->cmdidx = CMD_eval; | |
3242 return eap->cmd; | |
3243 } | |
3244 | |
3245 // "[...]->Method()" is a list expression, but "[a, b] = Func()" is | |
3246 // an assignment. | |
3247 // If there is no line break inside the "[...]" then "p" is advanced to | |
3248 // after the "]" by to_name_const_end(): check if a "=" follows. | |
3249 // If "[...]" has a line break "p" still points at the "[" and it can't | |
3250 // be an assignment. | |
3251 if (*eap->cmd == '[' && (p == eap->cmd || *skipwhite(p) != '=')) | |
3238 { | 3252 { |
3239 eap->cmdidx = CMD_eval; | 3253 eap->cmdidx = CMD_eval; |
3240 return eap->cmd; | 3254 return eap->cmd; |
3241 } | 3255 } |
3242 | 3256 |
3250 || lookup(eap->cmd, p - eap->cmd, cctx) != NULL) | 3264 || lookup(eap->cmd, p - eap->cmd, cctx) != NULL) |
3251 { | 3265 { |
3252 eap->cmdidx = CMD_let; | 3266 eap->cmdidx = CMD_let; |
3253 return eap->cmd; | 3267 return eap->cmd; |
3254 } | 3268 } |
3255 } | |
3256 | |
3257 // "[...]->Method()" is a list expression. But "[a, b] = Func()" is | |
3258 // an assignment. | |
3259 if (*p == '[' && (eval_list(&p, NULL, NULL, FALSE) == FAIL | |
3260 || *skipwhite(p) != '=')) | |
3261 { | |
3262 eap->cmdidx = CMD_eval; | |
3263 return eap->cmd; | |
3264 } | 3269 } |
3265 } | 3270 } |
3266 #endif | 3271 #endif |
3267 | 3272 |
3268 /* | 3273 /* |