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

1 files changed, 76 insertions, 0 deletions

diff --git a/syn/.travis.yml b/syn/.travis.yml
new file mode 100644
index 0000000..a8719cc
--- /dev/null
+++ b/syn/.travis.yml
@@ -0,0 +1,76 @@
+language: rust
+
+before_script:
+  - set -o errexit
+
+script:
+  - shopt -s expand_aliases
+  - alias build="cargo build ${TARGET+--target=$TARGET}"
+  - build --no-default-features
+  - build
+  - build --features full
+  - build --features 'fold visit visit-mut'
+  - build --features 'full fold visit visit-mut'
+  - build --no-default-features --features derive
+  - build --no-default-features --features 'derive parsing'
+  - build --no-default-features --features 'derive printing'
+  - build --no-default-features --features 'proc-macro parsing printing'
+  - build --no-default-features --features full
+  - build --no-default-features --features 'full parsing'
+  - build --no-default-features --features 'full printing'
+  - build --no-default-features --features 'full parsing printing'
+  - build --no-default-features --features 'fold visit visit-mut parsing printing'
+  - build --no-default-features --features 'full fold visit visit-mut parsing printing'
+
+matrix:
+  include:
+    - rust: nightly
+      name: Tests
+      install:
+        - rustup component add rustc-dev
+      script:
+        - cargo test --all-features --release
+    - rust: nightly
+    - rust: stable
+    - rust: beta
+    - rust: 1.31.0
+    - rust: nightly
+      name: Examples
+      script:
+        - cargo check --manifest-path examples/dump-syntax/Cargo.toml
+        - cargo check --manifest-path examples/heapsize/example/Cargo.toml
+        - cargo check --manifest-path examples/lazy-static/example/Cargo.toml
+        - cargo check --manifest-path examples/trace-var/example/Cargo.toml
+    - rust: nightly
+      name: Codegen
+      script:
+        - (cd codegen && cargo run)
+        - git diff --exit-code
+    - rust: nightly
+      name: Minimal versions
+      script:
+        - cargo update -Z minimal-versions
+        - cargo build --all-features
+    - rust: nightly
+      name: Clippy
+      script:
+        - rustup component add clippy || travis_terminate 0
+        - cargo clippy --all-features
+    - rust: nightly
+      name: WebAssembly
+      env: TARGET=wasm32-unknown-unknown
+      install:
+        - rustup target add "${TARGET}"
+    - rust: nightly
+      name: WASI
+      env: TARGET=wasm32-wasi
+      install:
+        - rustup target add "${TARGET}"
+  allow_failures:
+    - rust: nightly
+      name: Clippy
+  fast_finish: true
+
+env:
+  global:
+    - RUST_MIN_STACK=20000000