Merge pull request #122 from Nadrieril/publish

Publish to crates.io

6 files changed, 54 insertions, 10 deletions

diff --git a/dhall/.gitignore b/dhall/.gitignore
deleted file mode 100644
index 8a0bac6..0000000
--- a/dhall/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-src/dhall.pest
diff --git a/dhall/Cargo.toml b/dhall/Cargo.toml
index a93153d..34cf444 100644
--- a/dhall/Cargo.toml
+++ b/dhall/Cargo.toml
@@ -1,8 +1,11 @@
 [package]
 name = "dhall"
-version = "0.1.0"
+version = "0.1.1"  # remember to update html_root_url
 authors = ["NanoTech <nanotech@nanotechcorp.net>", "Nadrieril <nadrieril@users.noreply.github.com>"]
 license = "BSD-2-Clause"
+description = "Implementation of the Dhall configuration language"
+readme = "README.md"
+repository = "https://github.com/Nadrieril/dhall-rust"
 edition = "2018"
 build = "build.rs"
 
@@ -12,9 +15,8 @@ hex = "0.3.2"
 lazy_static = "1.4.0"
 percent-encoding = "2.1.0"
 pest = "2.1"
-# pest_consume = { path = "../../pest_consume/pest_consume" }
 pest_consume = "1.0"
-serde = { version = "1.0" }
+serde = "1.0"
 serde_cbor = "0.9.0"
 smallvec = "1.0.0"
 take_mut = "0.2.2"
@@ -24,6 +26,8 @@ pretty_assertions = "0.6.1"
 
 [build-dependencies]
 walkdir = "2"
-abnf_to_pest = { version = "0.1.1", path = "../abnf_to_pest" }
+abnf_to_pest = { version = "0.1.2", path = "../abnf_to_pest" }
+pest_generator = "2.1"
+quote = "1.0"
 
 
diff --git a/dhall/README.md b/dhall/README.md
new file mode 100644
index 0000000..82b3e6a
--- /dev/null
+++ b/dhall/README.md
@@ -0,0 +1,10 @@
+# `dhall`
+
+Implementation of the Dhall configuration language.
+This is an internal crate used for [`serde_dhall`], you probably want to use
+that instead.
+
+The API is very unstable and does not respect semver;
+use at your own risk.
+
+[`serde_dhall`]: https://docs.rs/serde_dhall
diff --git a/dhall/build.rs b/dhall/build.rs
index 50f423e..3021f03 100644
--- a/dhall/build.rs
+++ b/dhall/build.rs
@@ -408,9 +408,10 @@ fn generate_tests() -> std::io::Result<()> {
 }
 
 fn convert_abnf_to_pest() -> std::io::Result<()> {
+    let out_dir = env::var("OUT_DIR").unwrap();
     let abnf_path = "src/dhall.abnf";
     let visibility_path = "src/dhall.pest.visibility";
-    let pest_path = "src/dhall.pest";
+    let grammar_path = Path::new(&out_dir).join("dhall.pest");
     println!("cargo:rerun-if-changed={}", abnf_path);
     println!("cargo:rerun-if-changed={}", visibility_path);
 
@@ -427,7 +428,7 @@ fn convert_abnf_to_pest() -> std::io::Result<()> {
         }
     }
 
-    let mut file = File::create(pest_path)?;
+    let mut file = File::create(grammar_path)?;
     writeln!(&mut file, "// AUTO-GENERATED FILE. See build.rs.")?;
 
     // TODO: this is a cheat; properly support RFC3986 URLs instead
@@ -493,8 +494,31 @@ fn convert_abnf_to_pest() -> std::io::Result<()> {
     Ok(())
 }
 
+// Generate pest parser manually becaue otherwise we'd need to modify something outside of
+// OUT_DIR and that's forbidden by docs.rs.
+fn generate_pest_parser() -> std::io::Result<()> {
+    let out_dir = env::var("OUT_DIR").unwrap();
+    let grammar_path = Path::new(&out_dir).join("dhall.pest");
+    let grammar_path = grammar_path.to_str();
+    let output_path = Path::new(&out_dir).join("dhall_parser.rs");
+
+    let pest = quote::quote!(
+        #[grammar = #grammar_path]
+        struct DhallParser;
+    );
+    let derived = pest_generator::derive_parser(pest, false);
+    let file_contents = quote::quote!(
+        struct DhallParser;
+        #derived
+    );
+
+    let mut file = File::create(output_path)?;
+    writeln!(file, "{}", file_contents)
+}
+
 fn main() -> std::io::Result<()> {
     convert_abnf_to_pest()?;
+    generate_pest_parser()?;
     generate_tests()?;
     Ok(())
 }
diff --git a/dhall/src/lib.rs b/dhall/src/lib.rs
index 12660b4..dfa06e7 100644
--- a/dhall/src/lib.rs
+++ b/dhall/src/lib.rs
@@ -1,3 +1,4 @@
+#![doc(html_root_url = "https://docs.rs/dhall/0.1.1")]
 #![feature(trace_macros)]
 #![feature(slice_patterns)]
 #![feature(never_type)]
diff --git a/dhall/src/syntax/text/parser.rs b/dhall/src/syntax/text/parser.rs
index 90cb4b1..832472b 100644
--- a/dhall/src/syntax/text/parser.rs
+++ b/dhall/src/syntax/text/parser.rs
@@ -156,9 +156,15 @@ lazy_static::lazy_static! {
     };
 }
 
-#[derive(Parser)]
-#[grammar = "dhall.pest"]
-struct DhallParser;
+// Generate pest parser manually becaue otherwise we'd need to modify something outside of OUT_DIR
+// and that's forbidden by docs.rs.
+// This is equivalent to:
+// ```
+// #[derive(Parser)
+// #[grammar = "..."]
+// struct DhallParser;
+// ```
+include!(concat!(env!("OUT_DIR"), "/dhall_parser.rs"));
 
 #[pest_consume::parser(parser = DhallParser, rule = Rule)]
 impl DhallParser {