<commit_before>// Copyright 2018 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:proc-macro-gates.rs
// gate-test-proc_macro_non_items
// gate-test-proc_macro_path_invoc
// gate-test-proc_macro_mod line
// gate-test-proc_macro_expr
// gate-test-proc_macro_mod

#![feature(proc_macro, stmt_expr_attributes)]

extern crate proc_macro_gates as foo;

use foo::*;

#[foo::a] //~ ERROR: paths of length greater than one
fn _test() {}

#[a] //~ ERROR: custom attributes cannot be applied to modules
mod _test2 {}

#[a = y] //~ ERROR: must only be followed by a delimiter token
fn _test3() {}

#[a = ] //~ ERROR: must only be followed by a delimiter token
fn _test4() {}

#[a () = ] //~ ERROR: must only be followed by a delimiter token
fn _test5() {}

fn main() {
    #[a] //~ ERROR: custom attributes cannot be applied to statements
    let _x = 2;
    let _x = #[a] 2;
    //~^ ERROR: custom attributes cannot be applied to expressions

    let _x: m!(u32) = 3;
    //~^ ERROR: procedural macros cannot be expanded to types
    if let m!(Some(_x)) = Some(3) {
    //~^ ERROR: procedural macros cannot be expanded to patterns
    }
    let _x = m!(3);
    //~^ ERROR: procedural macros cannot be expanded to expressions
    m!(let _x = 3;);
    //~^ ERROR: procedural macros cannot be expanded to statements
}<commit_msg>Add a few more tests for proc macro feature gating<commit_after>// Copyright 2018 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:proc-macro-gates.rs
// gate-test-proc_macro_non_items
// gate-test-proc_macro_path_invoc
// gate-test-proc_macro_mod line
// gate-test-proc_macro_expr
// gate-test-proc_macro_mod

#![feature(proc_macro, stmt_expr_attributes)]

extern crate proc_macro_gates as foo;

use foo::*;

#[foo::a] //~ ERROR: paths of length greater than one
fn _test() {}

fn _test_inner() {
    #![a] // OK
}

#[a] //~ ERROR: custom attributes cannot be applied to modules
mod _test2 {}

mod _test2_inner {
    #![a] //~ ERROR: custom attributes cannot be applied to modules
}

#[a = y] //~ ERROR: must only be followed by a delimiter token
fn _test3() {}

#[a = ] //~ ERROR: must only be followed by a delimiter token
fn _test4() {}

#[a () = ] //~ ERROR: must only be followed by a delimiter token
fn _test5() {}

fn attrs() {
    // Statement, item
    #[a] // OK
    struct S;

    // Statement, macro
    #[a] //~ ERROR: custom attributes cannot be applied to statements
    println!();

    // Statement, semi
    #[a] //~ ERROR: custom attributes cannot be applied to statements
    S;

    // Statement, local
    #[a] //~ ERROR: custom attributes cannot be applied to statements
    let _x = 2;

    // Expr
    let _x = #[a] 2; //~ ERROR: custom attributes cannot be applied to expressions

    // Opt expr
    let _x = [#[a] 2]; //~ ERROR: custom attributes cannot be applied to expressions

    // Expr macro
    let _x = #[a] println!(); //~ ERROR: custom attributes cannot be applied to expressions
}

fn main() {
    let _x: m!(u32) = 3; //~ ERROR: procedural macros cannot be expanded to types
    if let m!(Some(_x)) = Some(3) {} //~ ERROR: procedural macros cannot be expanded to patterns

    m!(struct S;); //~ ERROR: procedural macros cannot be expanded to statements
    m!(let _x = 3;); //~ ERROR: procedural macros cannot be expanded to statements

    let _x = m!(3); //~ ERROR: procedural macros cannot be expanded to expressions
    let _x = [m!(3)]; //~ ERROR: procedural macros cannot be expanded to expressions
}
{'fraction_non_alphanumeric': 0.1302726637147518, 'fraction_numerical': 0.010020974131903984, 'mean_word_length': 3.1710398445092323, 'pattern_counts': {'":': 0, '<': 7, '<?xml version=': 0, '>': 7, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 2, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6078080', 'n_tokens_mistral': 1375, 'n_tokens_neox': 1315, 'n_words': 531}