Rewrite parser as part of new regex-syntax crate.

.gitignore

@@ -1,5 +1,4 @@
-/target
-/Cargo.lock
-/regex_macros/target
-/regex_macros/Cargo.lock
+target
+Cargo.lock
+bench-log
 .*.swp

.travis.yml

@@ -15,6 +15,8 @@ script:
       cargo bench --manifest-path=regex_macros/Cargo.toml
     )
   - cargo doc
+  - cargo test --verbose --manifest-path=regex-syntax/Cargo.toml
+  - cargo doc --verbose --manifest-path=regex-syntax/Cargo.toml
 after_success: |
   [ $TRAVIS_BRANCH = master ] &&
   [ $TRAVIS_PULL_REQUEST = false ] &&

Cargo.toml

@@ -21,8 +21,14 @@ path = "regex_macros/benches/bench_dynamic.rs"
 test = false
 bench = true
 
+[dependencies]
+regex-syntax = { path = "regex-syntax", version = "0.1" }
+
 [dev-dependencies]
 rand = "0.3"
 
 [features]
 pattern = []
+
+[profile.bench]
+lto = true

regex-syntax/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "regex-syntax"
+version = "0.1.0"
+authors = ["The Rust Project Developers"]
+license = "MIT/Apache-2.0"
+repository = "https://github.com/rust-lang/regex"
+documentation = "http://doc.rust-lang.org/regex"
+homepage = "https://github.com/rust-lang/regex"
+description = "A regular expression parser."
+
+[dev-dependencies]
+quickcheck = "0.2"
+rand = "0.3"