#![crate_name = "test"]
#![feature(rustc_private)]
#![feature(associated_type_defaults)]

extern crate rustc_graphviz;
// A simple rust project

// Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta
// files.
#[allow(unused_extern_crates)]
extern crate rustc_driver;

extern crate krate2;
extern crate krate2 as krate3;

use rustc_graphviz::RenderOption;
use std::cell::RefCell;
use std::collections::{HashMap, HashSet};
use std::io::Write;

use sub::sub2 as msalias;
use sub::sub2;
use sub::sub2::nested_struct as sub_struct;

use std::mem::size_of;

use std::char::from_u32;

static uni: &'static str = "Les Miséééééééérables";
static yy: usize = 25;

static bob: Option<rustc_graphviz::RenderOption> = None;

// buglink test - see issue #1337.

fn test_alias<I: Iterator>(i: Option<<I as Iterator>::Item>) {
    let s = sub_struct { field2: 45u32 };

    // import tests
    fn foo(x: &Write) {}
    let _: Option<_> = from_u32(45);

    let x = 42usize;

    krate2::hello();
    krate3::hello();

    let x = (3isize, 4usize);
    let y = x.1;
}

// Issue #37700
const LUT_BITS: usize = 3;
pub struct HuffmanTable {
    ac_lut: Option<[(i16, u8); 1 << LUT_BITS]>,
}

struct TupStruct(isize, isize, Box<str>);

fn test_tup_struct(x: TupStruct) -> isize {
    x.1
}

fn println(s: &str) {
    std::io::stdout().write_all(s.as_bytes());
}

mod sub {
    pub mod sub2 {
        use std::io::Write;
        pub mod sub3 {
            use std::io::Write;
            pub fn hello() {
                ::println("hello from module 3");
            }
        }
        pub fn hello() {
            ::println("hello from a module");
        }

        pub struct nested_struct {
            pub field2: u32,
        }

        pub enum nested_enum {
            Nest2 = 2,
            Nest3 = 3,
        }
    }
}

pub mod SameDir;
pub mod SubDir;

#[path = "SameDir3.rs"]
pub mod SameDir2;

struct nofields;

#[derive(Clone)]
struct some_fields {
    field1: u32,
}

type SF = some_fields;

trait SuperTrait {
    fn qux(&self) {
        panic!();
    }
}

trait SomeTrait: SuperTrait {
    fn Method(&self, x: u32) -> u32;

    fn prov(&self, x: u32) -> u32 {
        println(&x.to_string());
        42
    }
    fn provided_method(&self) -> u32 {
        42
    }
}

trait SubTrait: SomeTrait {
    fn stat2(x: &Self) -> u32 {
        32
    }
}

impl SomeTrait for some_fields {
    fn Method(&self, x: u32) -> u32 {
        println(&x.to_string());
        self.field1
    }
}

impl SuperTrait for some_fields {}

impl SubTrait for some_fields {}

impl some_fields {
    fn stat(x: u32) -> u32 {
        println(&x.to_string());
        42
    }
    fn stat2(x: &some_fields) -> u32 {
        42
    }

    fn align_to<T>(&mut self) {}

    fn test(&mut self) {
        self.align_to::<bool>();
    }
}

impl SuperTrait for nofields {}
impl SomeTrait for nofields {
    fn Method(&self, x: u32) -> u32 {
        self.Method(x);
        43
    }

    fn provided_method(&self) -> u32 {
        21
    }
}

impl SubTrait for nofields {}

impl SuperTrait for (Box<nofields>, Box<some_fields>) {}

fn f_with_params<T: SomeTrait>(x: &T) {
    x.Method(41);
}

type MyType = Box<some_fields>;

enum SomeEnum<'a> {
    Ints(isize, isize),
    Floats(f64, f64),
    Strings(&'a str, &'a str, &'a str),
    MyTypes(MyType, MyType),
}

#[derive(Copy, Clone)]
enum SomeOtherEnum {
    SomeConst1,
    SomeConst2,
    SomeConst3,
}

enum SomeStructEnum {
    EnumStruct { a: isize, b: isize },
    EnumStruct2 { f1: MyType, f2: MyType },
    EnumStruct3 { f1: MyType, f2: MyType, f3: SomeEnum<'static> },
}

fn matchSomeEnum(val: SomeEnum) {
    match val {
        SomeEnum::Ints(int1, int2) => {
            println(&(int1 + int2).to_string());
        }
        SomeEnum::Floats(float1, float2) => {
            println(&(float2 * float1).to_string());
        }
        SomeEnum::Strings(.., s3) => {
            println(s3);
        }
        SomeEnum::MyTypes(mt1, mt2) => {
            println(&(mt1.field1 - mt2.field1).to_string());
        }
    }
}

fn matchSomeStructEnum(se: SomeStructEnum) {
    match se {
        SomeStructEnum::EnumStruct { a: a, .. } => println(&a.to_string()),
        SomeStructEnum::EnumStruct2 { f1: f1, f2: f_2 } => println(&f_2.field1.to_string()),
        SomeStructEnum::EnumStruct3 { f1, .. } => println(&f1.field1.to_string()),
    }
}

fn matchSomeStructEnum2(se: SomeStructEnum) {
    use SomeStructEnum::*;
    match se {
        EnumStruct { a: ref aaa, .. } => println(&aaa.to_string()),
        EnumStruct2 { f1, f2: f2 } => println(&f1.field1.to_string()),
        EnumStruct3 { f1, f3: SomeEnum::Ints(..), f2 } => println(&f1.field1.to_string()),
        _ => {}
    }
}

fn matchSomeOtherEnum(val: SomeOtherEnum) {
    use SomeOtherEnum::{SomeConst2, SomeConst3};
    match val {
        SomeOtherEnum::SomeConst1 => {
            println("I'm const1.");
        }
        SomeConst2 | SomeConst3 => {
            println("I'm const2 or const3.");
        }
    }
}

fn hello<X: SomeTrait>((z, a): (u32, String), ex: X) {
    SameDir2::hello(43);

    println(&yy.to_string());
    let (x, y): (u32, u32) = (5, 3);
    println(&x.to_string());
    println(&z.to_string());
    let x: u32 = x;
    println(&x.to_string());
    let x = "hello";
    println(x);

    let x = 32.0f32;
    let _ = (x + ((x * x) + 1.0).sqrt()).ln();

    let s: Box<SomeTrait> = Box::new(some_fields { field1: 43 });
    let s2: Box<some_fields> = Box::new(some_fields { field1: 43 });
    let s3 = Box::new(nofields);

    s.Method(43);
    s3.Method(43);
    s2.Method(43);

    ex.prov(43);

    let y: u32 = 56;
    // static method on struct
    let r = some_fields::stat(y);
    // trait static method, calls default
    let r = SubTrait::stat2(&*s3);

    let s4 = s3 as Box<SomeTrait>;
    s4.Method(43);

    s4.provided_method();
    s2.prov(45);

    let closure = |x: u32, s: &SomeTrait| {
        s.Method(23);
        return x + y;
    };

    let z = closure(10, &*s);
}

pub struct blah {
    used_link_args: RefCell<[&'static str; 0]>,
}

#[macro_use]
mod macro_use_test {
    macro_rules! test_rec {
        (q, $src: expr) => {{
            print!("{}", $src);
            test_rec!($src);
        }};
        ($src: expr) => {
            print!("{}", $src);
        };
    }

    macro_rules! internal_vars {
        ($src: ident) => {{
            let mut x = $src;
            x += 100;
        }};
    }
}

fn main() {
    // foo
    let s = Box::new(some_fields { field1: 43 });
    hello((43, "a".to_string()), *s);
    sub::sub2::hello();
    sub2::sub3::hello();

    let h = sub2::sub3::hello;
    h();

    // utf8 chars
    let ut = "Les Miséééééééérables";

    // For some reason, this pattern of macro_rules foiled our generated code
    // avoiding strategy.
    macro_rules! variable_str(($name:expr) => (
        some_fields {
            field1: $name,
        }
    ));
    let vs = variable_str!(32);

    let mut candidates: RefCell<HashMap<&'static str, &'static str>> = RefCell::new(HashMap::new());
    let _ = blah { used_link_args: RefCell::new([]) };
    let s1 = nofields;
    let s2 = SF { field1: 55 };
    let s3: some_fields = some_fields { field1: 55 };
    let s4: msalias::nested_struct = sub::sub2::nested_struct { field2: 55 };
    let s4: msalias::nested_struct = sub2::nested_struct { field2: 55 };
    println(&s2.field1.to_string());
    let s5: MyType = Box::new(some_fields { field1: 55 });
    let s = SameDir::SameStruct { name: "Bob".to_string() };
    let s = SubDir::SubStruct { name: "Bob".to_string() };
    let s6: SomeEnum = SomeEnum::MyTypes(Box::new(s2.clone()), s5);
    let s7: SomeEnum = SomeEnum::Strings("one", "two", "three");
    matchSomeEnum(s6);
    matchSomeEnum(s7);
    let s8: SomeOtherEnum = SomeOtherEnum::SomeConst2;
    matchSomeOtherEnum(s8);
    let s9: SomeStructEnum =
        SomeStructEnum::EnumStruct2 { f1: Box::new(some_fields { field1: 10 }), f2: Box::new(s2) };
    matchSomeStructEnum(s9);

    for x in &vec![1, 2, 3] {
        let _y = x;
    }

    let s7: SomeEnum = SomeEnum::Strings("one", "two", "three");
    if let SomeEnum::Strings(..) = s7 {
        println!("hello!");
    }

    for i in 0..5 {
        foo_foo(i);
    }

    if let Some(x) = None {
        foo_foo(x);
    }

    if false {
    } else if let Some(y) = None {
        foo_foo(y);
    }

    while let Some(z) = None {
        foo_foo(z);
    }

    let mut x = 4;
    test_rec!(q, "Hello");
    assert_eq!(x, 4);
    internal_vars!(x);
}

fn foo_foo(_: i32) {}

impl Iterator for nofields {
    type Item = (usize, usize);

    fn next(&mut self) -> Option<(usize, usize)> {
        panic!()
    }

    fn size_hint(&self) -> (usize, Option<usize>) {
        panic!()
    }
}

trait Pattern<'a> {
    type Searcher;
}

struct CharEqPattern;

impl<'a> Pattern<'a> for CharEqPattern {
    type Searcher = CharEqPattern;
}

struct CharSearcher<'a>(<CharEqPattern as Pattern<'a>>::Searcher);

pub trait Error {}

impl Error + 'static {
    pub fn is<T: Error + 'static>(&self) -> bool {
        panic!()
    }
}

impl Error + 'static + Send {
    pub fn is<T: Error + 'static>(&self) -> bool {
        <Error + 'static>::is::<T>(self)
    }
}
extern crate rustc_serialize;
#[derive(Clone, Copy, Hash, PartialEq, Eq, PartialOrd, Ord, Debug, Default)]
struct AllDerives(i32);

fn test_format_args() {
    let x = 1;
    let y = 2;
    let name = "Joe Blogg";
    println!("Hello {}", name);
    print!("Hello {0}", name);
    print!("{0} + {} = {}", x, y);
    print!("x is {}, y is {1}, name is {n}", x, y, n = name);
}

union TestUnion {
    f1: u32,
}

struct FrameBuffer;

struct SilenceGenerator;

impl Iterator for SilenceGenerator {
    type Item = FrameBuffer;

    fn next(&mut self) -> Option<Self::Item> {
        panic!();
    }
}

#[doc = include_str!("extra-docs.md")]
struct StructWithDocs;

trait Foo {
    type Bar = FrameBuffer;
}