Files
carbon-lang/explorer/testdata/named_constraint/extend.carbon
T
Jon Ross-Perkins 129f31710d Disable autoupdate in explorer tests. (#4023)
Just replacing AUTOUPDATE with NOAUTOUPDATE, and removing the autoupdate
script. Tests will still run, but autoupdate may need to be fixed if
significant changes are made.

I noticed this while trying to autoupdate for #4007 (because we verify
that tests have been autoupdated). Autoupdate was likely broken by
#3449.

Trying to run with no changes gives:

```
CHECK failure at testing/file_test/file_test_base.cpp:801: !absl::GetFlag(FLAGS_test_targets_file).empty(): Missing --test_targets_file.
```

This is because the `file_test` rule creates a file with test inputs
that it runs with, which the prebuilt binary doesn't provide.

A local kludge to create a `file_test` target not using prebuilt_binary
showed another error:

```
: CommandLine Error: Option ': CommandLine Error: Option 'parser_debug' registered more than once!
LLVM ERROR: inconsistency in registered CommandLine options
trace_phase' registered more than once!
LLVM ERROR: inconsistency in registered CommandLine options
```

I'm thinking here that the explorer code hasn't been in enough use, and
we're seeing some rot as a consequence. Rather than trying to maintain
it, I'm suggesting to go with NOAUTOUPDATE.
2024-06-04 16:44:36 +00:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// NOAUTOUPDATE
package ExplorerTest api;
interface Maker(T:! type) {
fn Make[self: Self]() -> T;
}
constraint IndirectMaker(T:! type) {
extend Maker(T*);
}
constraint MoreIndirectMaker {
extend IndirectMaker(i32);
}
class PointerFactory {
var p: i32*;
impl as Maker(i32*) {
fn Make[self: Self]() -> i32* { return self.p; }
}
}
fn CallIndirect[T:! IndirectMaker(i32)](x: T) -> i32 {
return *x.Make();
}
fn CallMoreIndirect[T:! MoreIndirectMaker](x: T) -> i32 {
return *x.Make();
}
fn Main() -> i32 {
var n: i32 = 5;
var f: PointerFactory = {.p = &n};
Print("{0}", *f.(Maker(i32*).Make)());
Print("{0}", *f.(IndirectMaker(i32).Make)());
Print("{0}", *f.(MoreIndirectMaker.Make)());
Print("{0}", CallIndirect(f));
Print("{0}", CallMoreIndirect(f));
return 0;
}
// CHECK:STDOUT: 5
// CHECK:STDOUT: 5
// CHECK:STDOUT: 5
// CHECK:STDOUT: 5
// CHECK:STDOUT: 5
// CHECK:STDOUT: result: 0