# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1626893104 -7200
# Node ID 0716cc2e4a8b1a745f5509ac8ad160a0768016a3
# Parent  cf45fde10bdbfaec7ea978f5d05df8ebc18d31af
patch 8.2.3195: Vim9: unclear error when passing too many arguments to lambda

Commit: https://github.com/vim/vim/commit/c4c5642513ac41b22b7772cc880c776c69e964c9
Author: Bram Moolenaar <Bram@vim.org>
Date:   Wed Jul 21 20:38:46 2021 +0200

    patch 8.2.3195: Vim9: unclear error when passing too many arguments to lambda

    Problem:    Vim9: unclear error when passing too many arguments to lambda.
    Solution:   Pass the expression itself instead of "[expression]".
                (closes #8604)

diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -960,6 +960,12 @@ def Test_call_lambda_args()
     echo ((a) => a)('aa', 'bb')
   END
   CheckDefAndScriptFailure(lines, 'E118:', 1)
+
+  lines =<< trim END
+    echo 'aa'->((a) => a)('bb')
+  END
+  CheckDefFailure(lines, 'E118: Too many arguments for function: ->((a) => a)(''bb'')', 1)
+  CheckScriptFailure(['vim9script'] + lines, 'E118: Too many arguments for function: <lambda>', 2)
 enddef
 
 def FilterWithCond(x: string, Cond: func(string): bool): bool
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3195,
+/**/
     3194,
 /**/
     3193,
diff --git a/src/vim9compile.c b/src/vim9compile.c
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -4354,8 +4354,7 @@ compile_subscript(
 		}
 
 		type = ((type_T **)stack->ga_data)[stack->ga_len - 1];
-		if (generate_PCALL(cctx, argcount,
-				(char_u *)"[expression]", type, FALSE) == FAIL)
+		if (generate_PCALL(cctx, argcount, p - 2, type, FALSE) == FAIL)
 		    return FAIL;
 	    }
 	    else