lint-stability.rs

// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// aux-build:lint_stability.rs
// aux-build:inherited_stability.rs
// aux-build:stability_cfg1.rs
// aux-build:stability_cfg2.rs

#![feature(globs, phase)]
#![deny(unstable)]
#![deny(deprecated)]
#![deny(experimental)]
#![allow(dead_code)]

mod cross_crate {
    extern crate stability_cfg1;
    extern crate stability_cfg2; //~ ERROR: use of experimental item

    #[phase(plugin, link)]
    extern crate lint_stability; //~ ERROR: use of unmarked item
    use self::lint_stability::*;

    fn test() {
        let foo = MethodTester;

        deprecated(); //~ ERROR use of deprecated item
        foo.method_deprecated(); //~ ERROR use of deprecated item
        foo.trait_deprecated(); //~ ERROR use of deprecated item

        deprecated_text(); //~ ERROR use of deprecated item: text
        foo.method_deprecated_text(); //~ ERROR use of deprecated item: text
        foo.trait_deprecated_text(); //~ ERROR use of deprecated item: text

        experimental(); //~ ERROR use of experimental item
        foo.method_experimental(); //~ ERROR use of experimental item
        foo.trait_experimental(); //~ ERROR use of experimental item

        experimental_text(); //~ ERROR use of experimental item: text
        foo.method_experimental_text(); //~ ERROR use of experimental item: text
        foo.trait_experimental_text(); //~ ERROR use of experimental item: text

        unstable(); //~ ERROR use of unstable item
        foo.method_unstable(); //~ ERROR use of unstable item
        foo.trait_unstable(); //~ ERROR use of unstable item

        unstable_text(); //~ ERROR use of unstable item: text
        foo.method_unstable_text(); //~ ERROR use of unstable item: text
        foo.trait_unstable_text(); //~ ERROR use of unstable item: text

        unmarked(); //~ ERROR use of unmarked item
        foo.method_unmarked(); //~ ERROR use of unmarked item
        foo.trait_unmarked(); //~ ERROR use of unmarked item

        stable();
        foo.method_stable();
        foo.trait_stable();

        stable_text();
        foo.method_stable_text();
        foo.trait_stable_text();

        frozen();
        foo.method_frozen();
        foo.trait_frozen();

        frozen_text();
        foo.method_frozen_text();
        foo.trait_frozen_text();

        locked();
        foo.method_locked();
        foo.trait_locked();

        locked_text();
        foo.method_locked_text();
        foo.trait_locked_text();

        let _ = DeprecatedStruct { i: 0 }; //~ ERROR use of deprecated item
        let _ = ExperimentalStruct { i: 0 }; //~ ERROR use of experimental item
        let _ = UnstableStruct { i: 0 }; //~ ERROR use of unstable item
        let _ = UnmarkedStruct { i: 0 }; //~ ERROR use of unmarked item
        let _ = StableStruct { i: 0 };
        let _ = FrozenStruct { i: 0 };
        let _ = LockedStruct { i: 0 };

        let _ = DeprecatedUnitStruct; //~ ERROR use of deprecated item
        let _ = ExperimentalUnitStruct; //~ ERROR use of experimental item
        let _ = UnstableUnitStruct; //~ ERROR use of unstable item
        let _ = UnmarkedUnitStruct; //~ ERROR use of unmarked item
        let _ = StableUnitStruct;
        let _ = FrozenUnitStruct;
        let _ = LockedUnitStruct;

        let _ = DeprecatedVariant; //~ ERROR use of deprecated item
        let _ = ExperimentalVariant; //~ ERROR use of experimental item
        let _ = UnstableVariant; //~ ERROR use of unstable item
        let _ = UnmarkedVariant; //~ ERROR use of unmarked item
        let _ = StableVariant;
        let _ = FrozenVariant;
        let _ = LockedVariant;

        let _ = DeprecatedTupleStruct (1); //~ ERROR use of deprecated item
        let _ = ExperimentalTupleStruct (1); //~ ERROR use of experimental item
        let _ = UnstableTupleStruct (1); //~ ERROR use of unstable item
        let _ = UnmarkedTupleStruct (1); //~ ERROR use of unmarked item
        let _ = StableTupleStruct (1);
        let _ = FrozenTupleStruct (1);
        let _ = LockedTupleStruct (1);

        // At the moment, the lint checker only checks stability in
        // in the arguments of macros.
        // Eventually, we will want to lint the contents of the
        // macro in the module *defining* it. Also, stability levels
        // on macros themselves are not yet linted.
        macro_test!();
        macro_test_arg!(deprecated_text()); //~ ERROR use of deprecated item: text
        macro_test_arg!(macro_test_arg!(deprecated_text())); //~ ERROR use of deprecated item: text
        macro_test_arg_nested!(deprecated_text);
    }

    fn test_method_param<F: Trait>(foo: F) {
        foo.trait_deprecated(); //~ ERROR use of deprecated item
        foo.trait_deprecated_text(); //~ ERROR use of deprecated item: text
        foo.trait_experimental(); //~ ERROR use of experimental item
        foo.trait_experimental_text(); //~ ERROR use of experimental item: text
        foo.trait_unstable(); //~ ERROR use of unstable item
        foo.trait_unstable_text(); //~ ERROR use of unstable item: text
        foo.trait_unmarked(); //~ ERROR use of unmarked item
        foo.trait_stable();
    }

    fn test_method_object(foo: &Trait) {
        foo.trait_deprecated(); //~ ERROR use of deprecated item
        foo.trait_deprecated_text(); //~ ERROR use of deprecated item: text
        foo.trait_experimental(); //~ ERROR use of experimental item
        foo.trait_experimental_text(); //~ ERROR use of experimental item: text
        foo.trait_unstable(); //~ ERROR use of unstable item
        foo.trait_unstable_text(); //~ ERROR use of unstable item: text
        foo.trait_unmarked(); //~ ERROR use of unmarked item
        foo.trait_stable();
    }

    struct S;

    impl ExperimentalTrait for S { } //~ ERROR use of experimental item

    trait LocalTrait : ExperimentalTrait { } //~ ERROR use of experimental item
}

mod inheritance {
    extern crate inherited_stability; //~ ERROR: use of experimental item
    use self::inherited_stability::*;

    fn test_inheritance() {
        experimental(); //~ ERROR use of experimental item
        stable();

        stable_mod::experimental(); //~ ERROR use of experimental item
        stable_mod::stable();

        unstable_mod::experimental(); //~ ERROR use of experimental item
        unstable_mod::unstable(); //~ ERROR use of unstable item

        experimental_mod::experimental(); //~ ERROR use of experimental item
        experimental_mod::stable();

        let _ = ExperimentalVariant; //~ ERROR use of experimental item
        let _ = StableVariant;

        let x: uint = 0;
        x.experimental(); //~ ERROR use of experimental item
        x.stable();
    }
}

mod this_crate {
    #[deprecated]
    pub fn deprecated() {}
    #[deprecated="text"]
    pub fn deprecated_text() {}

    #[experimental]
    pub fn experimental() {}
    #[experimental="text"]
    pub fn experimental_text() {}

    #[unstable]
    pub fn unstable() {}
    #[unstable="text"]
    pub fn unstable_text() {}

    pub fn unmarked() {}

    #[stable]
    pub fn stable() {}
    #[stable="text"]
    pub fn stable_text() {}

    #[locked]
    pub fn locked() {}
    #[locked="text"]
    pub fn locked_text() {}

    #[frozen]
    pub fn frozen() {}
    #[frozen="text"]
    pub fn frozen_text() {}

    #[stable]
    pub struct MethodTester;

    impl MethodTester {
        #[deprecated]
        pub fn method_deprecated(&self) {}
        #[deprecated="text"]
        pub fn method_deprecated_text(&self) {}

        #[experimental]
        pub fn method_experimental(&self) {}
        #[experimental="text"]
        pub fn method_experimental_text(&self) {}

        #[unstable]
        pub fn method_unstable(&self) {}
        #[unstable="text"]
        pub fn method_unstable_text(&self) {}

        pub fn method_unmarked(&self) {}

        #[stable]
        pub fn method_stable(&self) {}
        #[stable="text"]
        pub fn method_stable_text(&self) {}

        #[locked]
        pub fn method_locked(&self) {}
        #[locked="text"]
        pub fn method_locked_text(&self) {}

        #[frozen]
        pub fn method_frozen(&self) {}
        #[frozen="text"]
        pub fn method_frozen_text(&self) {}
    }

    pub trait Trait {
        #[deprecated]
        fn trait_deprecated(&self) {}
        #[deprecated="text"]
        fn trait_deprecated_text(&self) {}

        #[experimental]
        fn trait_experimental(&self) {}
        #[experimental="text"]
        fn trait_experimental_text(&self) {}

        #[unstable]
        fn trait_unstable(&self) {}
        #[unstable="text"]
        fn trait_unstable_text(&self) {}

        fn trait_unmarked(&self) {}

        #[stable]
        fn trait_stable(&self) {}
        #[stable="text"]
        fn trait_stable_text(&self) {}

        #[locked]
        fn trait_locked(&self) {}
        #[locked="text"]
        fn trait_locked_text(&self) {}

        #[frozen]
        fn trait_frozen(&self) {}
        #[frozen="text"]
        fn trait_frozen_text(&self) {}
    }

    impl Trait for MethodTester {}

    #[deprecated]
    pub struct DeprecatedStruct { i: int }
    #[experimental]
    pub struct ExperimentalStruct { i: int }
    #[unstable]
    pub struct UnstableStruct { i: int }
    pub struct UnmarkedStruct { i: int }
    #[stable]
    pub struct StableStruct { i: int }
    #[frozen]
    pub struct FrozenStruct { i: int }
    #[locked]
    pub struct LockedStruct { i: int }

    #[deprecated]
    pub struct DeprecatedUnitStruct;
    #[experimental]
    pub struct ExperimentalUnitStruct;
    #[unstable]
    pub struct UnstableUnitStruct;
    pub struct UnmarkedUnitStruct;
    #[stable]
    pub struct StableUnitStruct;
    #[frozen]
    pub struct FrozenUnitStruct;
    #[locked]
    pub struct LockedUnitStruct;

    pub enum Enum {
        #[deprecated]
        DeprecatedVariant,
        #[experimental]
        ExperimentalVariant,
        #[unstable]
        UnstableVariant,

        UnmarkedVariant,
        #[stable]
        StableVariant,
        #[frozen]
        FrozenVariant,
        #[locked]
        LockedVariant,
    }

    #[deprecated]
    pub struct DeprecatedTupleStruct(int);
    #[experimental]
    pub struct ExperimentalTupleStruct(int);
    #[unstable]
    pub struct UnstableTupleStruct(int);
    pub struct UnmarkedTupleStruct(int);
    #[stable]
    pub struct StableTupleStruct(int);
    #[frozen]
    pub struct FrozenTupleStruct(int);
    #[locked]
    pub struct LockedTupleStruct(int);

    fn test() {
        // Only the deprecated cases of the following should generate
        // errors, because other stability attributes now have meaning
        // only *across* crates, not within a single crate.

        let foo = MethodTester;

        deprecated(); //~ ERROR use of deprecated item
        foo.method_deprecated(); //~ ERROR use of deprecated item
        foo.trait_deprecated(); //~ ERROR use of deprecated item

        deprecated_text(); //~ ERROR use of deprecated item: text
        foo.method_deprecated_text(); //~ ERROR use of deprecated item: text
        foo.trait_deprecated_text(); //~ ERROR use of deprecated item: text

        experimental();
        foo.method_experimental();
        foo.trait_experimental();

        experimental_text();
        foo.method_experimental_text();
        foo.trait_experimental_text();

        unstable();
        foo.method_unstable();
        foo.trait_unstable();

        unstable_text();
        foo.method_unstable_text();
        foo.trait_unstable_text();

        unmarked();
        foo.method_unmarked();
        foo.trait_unmarked();

        stable();
        foo.method_stable();
        foo.trait_stable();

        stable_text();
        foo.method_stable_text();
        foo.trait_stable_text();

        frozen();
        foo.method_frozen();
        foo.trait_frozen();

        frozen_text();
        foo.method_frozen_text();
        foo.trait_frozen_text();

        locked();
        foo.method_locked();
        foo.trait_locked();

        locked_text();
        foo.method_locked_text();
        foo.trait_locked_text();

        let _ = DeprecatedStruct { i: 0 }; //~ ERROR use of deprecated item
        let _ = ExperimentalStruct { i: 0 };
        let _ = UnstableStruct { i: 0 };
        let _ = UnmarkedStruct { i: 0 };
        let _ = StableStruct { i: 0 };
        let _ = FrozenStruct { i: 0 };
        let _ = LockedStruct { i: 0 };

        let _ = DeprecatedUnitStruct; //~ ERROR use of deprecated item
        let _ = ExperimentalUnitStruct;
        let _ = UnstableUnitStruct;
        let _ = UnmarkedUnitStruct;
        let _ = StableUnitStruct;
        let _ = FrozenUnitStruct;
        let _ = LockedUnitStruct;

        let _ = DeprecatedVariant; //~ ERROR use of deprecated item
        let _ = ExperimentalVariant;
        let _ = UnstableVariant;
        let _ = UnmarkedVariant;
        let _ = StableVariant;
        let _ = FrozenVariant;
        let _ = LockedVariant;

        let _ = DeprecatedTupleStruct (1); //~ ERROR use of deprecated item
        let _ = ExperimentalTupleStruct (1);
        let _ = UnstableTupleStruct (1);
        let _ = UnmarkedTupleStruct (1);
        let _ = StableTupleStruct (1);
        let _ = FrozenTupleStruct (1);
        let _ = LockedTupleStruct (1);
    }

    fn test_method_param<F: Trait>(foo: F) {
        foo.trait_deprecated(); //~ ERROR use of deprecated item
        foo.trait_deprecated_text(); //~ ERROR use of deprecated item: text
        foo.trait_experimental();
        foo.trait_experimental_text();
        foo.trait_unstable();
        foo.trait_unstable_text();
        foo.trait_unmarked();
        foo.trait_stable();
    }

    fn test_method_object(foo: &Trait) {
        foo.trait_deprecated(); //~ ERROR use of deprecated item
        foo.trait_deprecated_text(); //~ ERROR use of deprecated item: text
        foo.trait_experimental();
        foo.trait_experimental_text();
        foo.trait_unstable();
        foo.trait_unstable_text();
        foo.trait_unmarked();
        foo.trait_stable();
    }

    #[deprecated]
    fn test_fn_body() {
        fn fn_in_body() {}
        fn_in_body();
    }

    impl MethodTester {
        #[deprecated]
        fn test_method_body(&self) {
            fn fn_in_body() {}
            fn_in_body();
        }
    }

    #[deprecated]
    pub trait DeprecatedTrait {}

    struct S;

    impl DeprecatedTrait for S { } //~ ERROR use of deprecated item

    trait LocalTrait : DeprecatedTrait { } //~ ERROR use of deprecated item
}

fn main() {}