oleg.smolsky added inline comments.
================
Comment at: unittests/Format/FormatTest.cpp:11604
+ " x.end(), //\n"
+ " [&](int, int) { return 1; });\n"
"}\n");
----------------
krasimir wrote:
> This looks a bit suspicious: I'd expect a break before the first arg to be
> forced only when there exists a multiline (after formatting) lambda
> expression arg. Is this (multiline vs. lambdas fitting 1 line) something that
> we (can) differentiate with respect to? djasper@ might have an insight on
> this.
Well, yes, I can see where you are coming from - the lambda is short and would
fit. Unfortunately, I am not sure how to implement this nuance... I think I'd
need to get the length of the unwrapped line and then check whether it fits in
TokenUnnotator.cc....
Also, I personally favor less indentation (i.e. full width for the lambda) as
that prevents drastic reformat when the lambda body changes. (that's why this
patch exists)
================
Comment at: unittests/Format/FormatTest.cpp:11657
"}});");
- verifyFormat("virtual aaaaaaaaaaaaaaaa(std::function<bool()> bbbbbbbbbbbb
=\n"
- " [&]() { return true; },\n"
- " aaaaa aaaaaaaaa);");
+ verifyFormat("virtual aaaaaaaaaaaaaaaa(\n"
+ " std::function<bool()> bbbbbbbbbbbb = [&]() { return true;
},\n"
----------------
krasimir wrote:
> Similar to my previous comment, this forcing the std::function on a newline
> here might not be what we want to end up with?
I think this change is in line with the updated/extended semantics - the extra
arg forces the lambda to its own line and the introducer is kept with the
preceding tokens.
================
Comment at: unittests/Format/FormatTest.cpp:11736
+ // line and there are no further args.
+ verifyFormat("function(1, [this, that] {\n"
+ " //\n"
----------------
krasimir wrote:
> Could we please have a test case where there are several args packed on the
> first line, then a line break, then an arg, then a multiline lambda as a last
> arg (illustrating that we don't pull the first arg down if there's only a
> multiline lambda as the last arg):
> ```
> function(a, b, ccccccc,
> d, [] () {
> body
> });
> ```
Sure, that seems to work, but not in the way you expected :) I'll update the
patch...
```
verifyFormat("function(a, b, c, //\n"
" d, [this, that] {\n"
" //\n"
" });\n");
```
Repository:
rC Clang
https://reviews.llvm.org/D52676
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