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checker: make the misssing shared/mut modifer in fn and method calls error clearer

pull/13865/head
Delyan Angelov 2022-03-29 23:51:02 +03:00
parent 55d9464890
commit cc637e5ee8
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GPG Key ID: 66886C0F12D595ED
4 changed files with 12 additions and 12 deletions
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8
vlib/v/checker/fn.v
View File

@ -812,8 +812,8 @@ pub fn (mut c Checker) fn_call(mut node ast.CallExpr, mut continue_check &bool)
} else {
if param.is_mut {
tok := call_arg.share.str()
c.error('`$node.name` parameter `$param.name` is `$tok`, you need to provide `$tok` e.g. `$tok arg${
i + 1}`', call_arg.expr.pos())
c.error('function `$node.name` parameter `$param.name` is `$tok`, so use `$tok $call_arg.expr` instead',
call_arg.expr.pos())
} else {
c.fail_if_unreadable(call_arg.expr, typ, 'argument')
}
@ -1307,8 +1307,8 @@ pub fn (mut c Checker) method_call(mut node ast.CallExpr) ast.Type {
} else {
if param_is_mut {
tok := arg.share.str()
c.error('`$node.name` parameter `$param.name` is `$tok`, you need to provide `$tok` e.g. `$tok arg${
i + 1}`', arg.expr.pos())
c.error('method `$node.name` parameter `$param.name` is `$tok`, so use `$tok $arg.expr` instead',
arg.expr.pos())
} else {
c.fail_if_unreadable(arg.expr, got_arg_typ, 'argument')
}

2
vlib/v/checker/tests/chan_args.out
View File

@ -12,7 +12,7 @@ vlib/v/checker/tests/chan_args.vv:5:19: error: cannot use `float literal` as `&f
| ~~~
6 | b := 2.5
7 | _ := ch.try_pop(b)
vlib/v/checker/tests/chan_args.vv:7:18: error: `try_pop` parameter `obj` is `mut`, you need to provide `mut` e.g. `mut arg1`
vlib/v/checker/tests/chan_args.vv:7:18: error: method `try_pop` parameter `obj` is `mut`, so use `mut b` instead
5 | _ := ch.try_push(2.5)
6 | b := 2.5
7 | _ := ch.try_pop(b)

12
vlib/v/checker/tests/mut_arg.out
View File

@ -1,25 +1,25 @@
vlib/v/checker/tests/mut_arg.vv:6:3: error: `f` parameter `par` is `mut`, you need to provide `mut` e.g. `mut arg1`
vlib/v/checker/tests/mut_arg.vv:6:3: error: function `f` parameter `par` is `mut`, so use `mut [3, 4]` instead
4 | }
5 |
5 |
6 | f([3,4])
| ~~~~~
7 | mut a := [1,2]
8 | f(a)
vlib/v/checker/tests/mut_arg.vv:8:3: error: `f` parameter `par` is `mut`, you need to provide `mut` e.g. `mut arg1`
vlib/v/checker/tests/mut_arg.vv:8:3: error: function `f` parameter `par` is `mut`, so use `mut a` instead
6 | f([3,4])
7 | mut a := [1,2]
8 | f(a)
| ^
9 |
9 |
10 | g(mut [3,4])
vlib/v/checker/tests/mut_arg.vv:10:7: error: array literal can not be modified
8 | f(a)
9 |
9 |
10 | g(mut [3,4])
| ~~~~~
11 | g(mut a)
vlib/v/checker/tests/mut_arg.vv:11:7: error: `g` parameter `par` is not `mut`, `mut` is not needed`
9 |
9 |
10 | g(mut [3,4])
11 | g(mut a)
| ^

2
vlib/v/checker/tests/mut_interface_param_err.out
View File

@ -1,4 +1,4 @@
vlib/v/checker/tests/mut_interface_param_err.vv:19:10: error: `add` parameter `widget` is `mut`, you need to provide `mut` e.g. `mut arg1`
vlib/v/checker/tests/mut_interface_param_err.vv:19:10: error: method `add` parameter `widget` is `mut`, so use `mut btn` instead
17 | mut win := Window{}
18 | mut btn := Button{}
19 | win.add(btn) // should be an error here