Add structopt dependency in version 0.3.7

This patch series replaces argparse with structopt in the argument
handling code. As a first step, we need structopt as a dependency.

Import subrepo structopt/:structopt at efbdda4753592e27bc430fb01f7b9650b2f3174d
Import subrepo bitflags/:bitflags at 30668016aca6bd3b02c766e8347e0b4080d4c296
Import subrepo clap/:clap at 784524f7eb193e35f81082cc69454c8c21b948f7
Import subrepo heck/:heck at 093d56fbf001e1506e56dbfa38631d99b1066df1
Import subrepo proc-macro-error/:proc-macro-error at 6c4cfe79a622c5de8ae68557993542be46eacae2
Import subrepo proc-macro2/:proc-macro2 at d5d48eddca4566e5438e8a2cbed4a74e049544de
Import subrepo quote/:quote at 727436c6c137b20f0f34dde5d8fda2679b9747ad
Import subrepo rustversion/:rustversion at 0c5663313516263059ce9059ef81fc7a1cf655ca
Import subrepo syn-mid/:syn-mid at 5d3d85414a9e6674e1857ec22a87b96e04a6851a
Import subrepo syn/:syn at e87c27e87f6f4ef8919d0372bdb056d53ef0d8f3
Import subrepo textwrap/:textwrap at abcd618beae3f74841032aa5b53c1086b0a57ca2
Import subrepo unicode-segmentation/:unicode-segmentation at 637c9874c4fe0c205ff27787faf150a40295c6c3
Import subrepo unicode-width/:unicode-width at 3033826f8bf05e82724140a981d5941e48fce393
Import subrepo unicode-xid/:unicode-xid at 4baae9fffb156ba229665b972a9cd5991787ceb7

8 files changed, 188 insertions, 0 deletions

diff --git a/bitflags/test_suite/Cargo.toml b/bitflags/test_suite/Cargo.toml
new file mode 100644
index 0000000..2a02d80
--- /dev/null
+++ b/bitflags/test_suite/Cargo.toml
@@ -0,0 +1,13 @@
+[project]
+name = "test_suite"
+version = "0.0.0"
+
+[features]
+unstable = ["compiletest_rs"]
+
+[dependencies]
+bitflags = { path = "../" }
+compiletest_rs = { version = "0.3.18", optional = true, features=["stable"] }
+serde = "1.0"
+serde_derive = "1.0"
+serde_json = "1.0"
diff --git a/bitflags/test_suite/tests/compile-fail/private_flags.rs b/bitflags/test_suite/tests/compile-fail/private_flags.rs
new file mode 100644
index 0000000..d31c28d
--- /dev/null
+++ b/bitflags/test_suite/tests/compile-fail/private_flags.rs
@@ -0,0 +1,20 @@
+#[macro_use]
+extern crate bitflags;
+
+mod example {
+    bitflags! {
+        pub struct Flags1: u32 {
+            const FLAG_A = 0b00000001;
+        }
+    }
+    bitflags! {
+        struct Flags2: u32 {
+            const FLAG_B = 0b00000010;
+        }
+    }
+}
+
+fn main() {
+    let flag1 = example::Flags1::FLAG_A;
+    let flag2 = example::Flags2::FLAG_B; //~ ERROR struct `Flags2` is private
+}
diff --git a/bitflags/test_suite/tests/compiletest.rs b/bitflags/test_suite/tests/compiletest.rs
new file mode 100644
index 0000000..2beeae0
--- /dev/null
+++ b/bitflags/test_suite/tests/compiletest.rs
@@ -0,0 +1,33 @@
+#![cfg(feature = "unstable")]
+
+extern crate compiletest_rs as compiletest;
+
+use std::fs;
+use std::result::Result;
+
+use compiletest::common::Mode;
+
+fn run_mode(mode: Mode) {
+    let config = compiletest::Config {
+        mode: mode,
+        src_base: format!("tests/{}", mode).into(),
+        target_rustcflags: fs::read_dir("../target/debug/deps")
+            .unwrap()
+            .map(Result::unwrap)
+            .filter(|entry| {
+                let file_name = entry.file_name();
+                let file_name = file_name.to_string_lossy();
+                file_name.starts_with("libbitflags-") && file_name.ends_with(".rlib")
+            })
+            .max_by_key(|entry| entry.metadata().unwrap().modified().unwrap())
+            .map(|entry| format!("--extern bitflags={}", entry.path().to_string_lossy())),
+        ..Default::default()
+    };
+
+    compiletest::run_tests(&config);
+}
+
+#[test]
+fn compile_test() {
+    run_mode(Mode::CompileFail);
+}
diff --git a/bitflags/test_suite/tests/conflicting_trait_impls.rs b/bitflags/test_suite/tests/conflicting_trait_impls.rs
new file mode 100644
index 0000000..eb7a325
--- /dev/null
+++ b/bitflags/test_suite/tests/conflicting_trait_impls.rs
@@ -0,0 +1,17 @@
+#![no_std]
+
+#[macro_use]
+extern crate bitflags;
+
+#[allow(unused_imports)]
+use core::fmt::Display;
+
+bitflags! {
+    /// baz
+    struct Flags: u32 {
+        const A = 0b00000001;
+    }
+}
+
+#[test]
+fn main() {}
diff --git a/bitflags/test_suite/tests/external.rs b/bitflags/test_suite/tests/external.rs
new file mode 100644
index 0000000..4c88387
--- /dev/null
+++ b/bitflags/test_suite/tests/external.rs
@@ -0,0 +1,19 @@
+#[macro_use]
+extern crate bitflags;
+
+bitflags! {
+    /// baz
+    struct Flags: u32 {
+        const A = 0b00000001;
+        #[doc = "bar"]
+        const B = 0b00000010;
+        const C = 0b00000100;
+        #[doc = "foo"]
+        const ABC = Flags::A.bits | Flags::B.bits | Flags::C.bits;
+    }
+}
+
+#[test]
+fn smoke() {
+    assert_eq!(Flags::ABC, Flags::A | Flags::B | Flags::C);
+}
diff --git a/bitflags/test_suite/tests/external_no_std.rs b/bitflags/test_suite/tests/external_no_std.rs
new file mode 100644
index 0000000..31f87e4
--- /dev/null
+++ b/bitflags/test_suite/tests/external_no_std.rs
@@ -0,0 +1,21 @@
+#![no_std]
+
+#[macro_use]
+extern crate bitflags;
+
+bitflags! {
+    /// baz
+    struct Flags: u32 {
+        const A = 0b00000001;
+        #[doc = "bar"]
+        const B = 0b00000010;
+        const C = 0b00000100;
+        #[doc = "foo"]
+        const ABC = Flags::A.bits | Flags::B.bits | Flags::C.bits;
+    }
+}
+
+#[test]
+fn smoke() {
+    assert_eq!(Flags::ABC, Flags::A | Flags::B | Flags::C);
+}
diff --git a/bitflags/test_suite/tests/i128_bitflags.rs b/bitflags/test_suite/tests/i128_bitflags.rs
new file mode 100644
index 0000000..1b6f7c5
--- /dev/null
+++ b/bitflags/test_suite/tests/i128_bitflags.rs
@@ -0,0 +1,30 @@
+#![cfg(feature = "unstable")]
+
+#[macro_use]
+extern crate bitflags;
+
+bitflags! {
+    /// baz
+    struct Flags128: u128 {
+        const A = 0x0000_0000_0000_0000_0000_0000_0000_0001;
+        const B = 0x0000_0000_0000_1000_0000_0000_0000_0000;
+        const C = 0x8000_0000_0000_0000_0000_0000_0000_0000;
+        const ABC = Self::A.bits | Self::B.bits | Self::C.bits;
+    }
+}
+
+#[test]
+fn test_i128_bitflags() {
+    assert_eq!(Flags128::ABC, Flags128::A | Flags128::B | Flags128::C);
+    assert_eq!(Flags128::A.bits, 0x0000_0000_0000_0000_0000_0000_0000_0001);
+    assert_eq!(Flags128::B.bits, 0x0000_0000_0000_1000_0000_0000_0000_0000);
+    assert_eq!(Flags128::C.bits, 0x8000_0000_0000_0000_0000_0000_0000_0000);
+    assert_eq!(
+        Flags128::ABC.bits,
+        0x8000_0000_0000_1000_0000_0000_0000_0001
+    );
+    assert_eq!(format!("{:?}", Flags128::A), "A");
+    assert_eq!(format!("{:?}", Flags128::B), "B");
+    assert_eq!(format!("{:?}", Flags128::C), "C");
+    assert_eq!(format!("{:?}", Flags128::ABC), "A | B | C | ABC");
+}
diff --git a/bitflags/test_suite/tests/serde.rs b/bitflags/test_suite/tests/serde.rs
new file mode 100644
index 0000000..0424af5
--- /dev/null
+++ b/bitflags/test_suite/tests/serde.rs
@@ -0,0 +1,35 @@
+#[macro_use]
+extern crate bitflags;
+
+#[macro_use]
+extern crate serde_derive;
+extern crate serde;
+extern crate serde_json;
+
+bitflags! {
+    #[derive(Serialize, Deserialize)]
+    struct Flags: u32 {
+        const A = 1;
+        const B = 2;
+        const C = 4;
+        const D = 8;
+    }
+}
+
+#[test]
+fn serialize() {
+    let flags = Flags::A | Flags::B;
+
+    let serialized = serde_json::to_string(&flags).unwrap();
+
+    assert_eq!(serialized, r#"{"bits":3}"#);
+}
+
+#[test]
+fn deserialize() {
+    let deserialized: Flags = serde_json::from_str(r#"{"bits":12}"#).unwrap();
+
+    let expected = Flags::C | Flags::D;
+
+    assert_eq!(deserialized.bits, expected.bits);
+}