Add a Cargo workspace

We're about to add several other crates to this repository, so let's
make room for them!

Author: dcreager

.github/workflows/ci.yml

@@ -46,7 +46,8 @@ jobs:
       - name: Run test suite
         run: cargo test
       - name: Run test suite under valgrind
-        run: cargo valgrind test
+        # We only need to use valgrind to test the crates that have C bindings.
+        run: cargo valgrind test -p stack-graphs
       - name: Run test suite with copious debugging
         run: cargo test --features copious-debugging
       - name: Run test suite with all optimizations

Cargo.toml

@@ -1,32 +1,4 @@
-[package]
-name = "stack-graphs"
-version = "0.3.0"
-description = "Name binding for arbitrary programming languages"
-homepage = "https://github.com/github/stack-graphs/"
-repository = "https://github.com/github/stack-graphs/"
-readme = "README.md"
-license = "MIT OR Apache-2.0"
-authors = [
-  "GitHub <[email protected]>",
-  "Douglas Creager <[email protected]>"
+[workspace]
+members = [
+  "stack-graphs",
 ]
-edition = "2018"
-
-[features]
-copious-debugging = []
-
-[lib]
-# All of our tests are in the tests/it "integration" test executable.
-test = false
-
-[dependencies]
-controlled-option = "0.4"
-either = "1.6"
-fxhash = "0.2"
-libc = "0.2"
-smallvec = { version="1.6", features=["union"] }
-
-[dev-dependencies]
-itertools = "0.10"
-maplit = "1.0"
-pretty_assertions = "0.7"

README.md

@@ -8,7 +8,7 @@
 # ------------------------------------------------------------------------------
 
 set -e
-cd "$(dirname "$0")/.."
+cd "$(dirname "$0")/../stack-graphs"
 
 if ! which cbindgen >/dev/null 2>/dev/null; then
     echo "Cannot find cbindgen!  Try `cargo install cbindgen`." >&2

script/cbindgen

@@ -0,0 +1,32 @@
+[package]
+name = "stack-graphs"
+version = "0.3.0"
+description = "Name binding for arbitrary programming languages"
+homepage = "https://github.com/github/stack-graphs/"
+repository = "https://github.com/github/stack-graphs/"
+readme = "README.md"
+license = "MIT OR Apache-2.0"
+authors = [
+  "GitHub <[email protected]>",
+  "Douglas Creager <[email protected]>"
+]
+edition = "2018"
+
+[features]
+copious-debugging = []
+
+[lib]
+# All of our tests are in the tests/it "integration" test executable.
+test = false
+
+[dependencies]
+controlled-option = "0.4"
+either = "1.6"
+fxhash = "0.2"
+libc = "0.2"
+smallvec = { version="1.6", features=["union"] }
+
+[dev-dependencies]
+itertools = "0.10"
+maplit = "1.0"
+pretty_assertions = "0.7"