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Add serde_codegen::expand to avoid public Syntex dependency

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This commit is contained in:
David Tolnay 2016-06-09 00:54:32 -07:00
parent 1917e54a6e
commit 3d2e3beafe
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GPG Key ID: F9BA143B95FF6D82
3 changed files with 15 additions and 12 deletions
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10
README.md
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@ -142,10 +142,7 @@ pub fn main() {
let src = Path::new("src/main.rs.in"); let src = Path::new("src/main.rs.in");
let dst = Path::new(&out_dir).join("main.rs"); let dst = Path::new(&out_dir).join("main.rs");
let mut registry = syntex::Registry::new(); serde_codegen::expand(&src, &dst).unwrap();
serde_codegen::register(&mut registry);
registry.expand("", &src, &dst).unwrap();
} }
``` ```
@ -203,10 +200,7 @@ mod inner {
let src = Path::new("src/main.rs.in"); let src = Path::new("src/main.rs.in");
let dst = Path::new(&out_dir).join("main.rs"); let dst = Path::new(&out_dir).join("main.rs");
let mut registry = syntex::Registry::new(); serde_codegen::expand(&src, &dst).unwrap();
serde_codegen::register(&mut registry);
registry.expand("", &src, &dst).unwrap();
} }
} }

5
examples/serde-syntex-example/build.rs
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@ -12,10 +12,7 @@ mod inner {
let src = Path::new("src/main.rs.in"); let src = Path::new("src/main.rs.in");
let dst = Path::new(&out_dir).join("main.rs"); let dst = Path::new(&out_dir).join("main.rs");
let mut registry = syntex::Registry::new(); serde_codegen::expand(&src, &dst).unwrap();
serde_codegen::register(&mut registry);
registry.expand("", &src, &dst).unwrap();
} }
} }

12
serde_codegen/src/lib.rs
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@ -22,6 +22,11 @@ extern crate syntax;
#[cfg(not(feature = "with-syntex"))] #[cfg(not(feature = "with-syntex"))]
extern crate rustc_plugin; extern crate rustc_plugin;
#[cfg(feature = "with-syntex")]
use std::io;
#[cfg(feature = "with-syntex")]
use std::path::Path;
#[cfg(not(feature = "with-syntex"))] #[cfg(not(feature = "with-syntex"))]
use syntax::feature_gate::AttributeType; use syntax::feature_gate::AttributeType;
@ -31,6 +36,13 @@ include!(concat!(env!("OUT_DIR"), "/lib.rs"));
#[cfg(not(feature = "with-syntex"))] #[cfg(not(feature = "with-syntex"))]
include!("lib.rs.in"); include!("lib.rs.in");
#[cfg(feature = "with-syntex")]
pub fn expand(src: &Path, dst: &Path) -> io::Result<()> {
let mut registry = syntex::Registry::new();
register(&mut registry);
registry.expand("", src, dst)
}
#[cfg(feature = "with-syntex")] #[cfg(feature = "with-syntex")]
pub fn register(reg: &mut syntex::Registry) { pub fn register(reg: &mut syntex::Registry) {
use syntax::{ast, fold}; use syntax::{ast, fold};