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-rw-r--r--askama_derive/src/lib.rs68
1 files changed, 34 insertions, 34 deletions
diff --git a/askama_derive/src/lib.rs b/askama_derive/src/lib.rs
index 5ee5a4c..ad0e218 100644
--- a/askama_derive/src/lib.rs
+++ b/askama_derive/src/lib.rs
@@ -10,10 +10,36 @@ mod generator;
mod parser;
mod path;
-// Holds metadata for the template, based on the `template()` attribute.
-struct TemplateMeta {
- path: String,
- print: String,
+#[proc_macro_derive(Template, attributes(template))]
+pub fn derive_template(input: TokenStream) -> TokenStream {
+ let ast = syn::parse_derive_input(&input.to_string()).unwrap();
+ match ast.body {
+ syn::Body::Struct(ref data) => data,
+ _ => panic!("#[derive(Template)] can only be used with structs"),
+ };
+ build_template(&ast).parse().unwrap()
+}
+
+/// Takes a `syn::DeriveInput` and generates source code for it
+///
+/// Reads the metadata from the `template()` attribute to get the template
+/// metadata, then fetches the source from the filesystem. The source is
+/// parsed, and the parse tree is fed to the code generator. Will print
+/// the parse tree and/or generated source according to the `print` key's
+/// value as passed to the `template()` attribute.
+fn build_template(ast: &syn::DeriveInput) -> String {
+ let meta = get_template_meta(ast);
+ let path = path::find_template_from_path(&meta.path, None);
+ let src = path::get_template_source(&path);
+ let nodes = parser::parse(&src);
+ if meta.print == "ast" || meta.print == "all" {
+ println!("{:?}", nodes);
+ }
+ let code = generator::generate(ast, &meta.path, nodes);
+ if meta.print == "code" || meta.print == "all" {
+ println!("{}", code);
+ }
+ code
}
// Returns a `TemplateMeta` based on the `template()` attribute data found
@@ -57,34 +83,8 @@ fn get_template_meta(ast: &syn::DeriveInput) -> TemplateMeta {
TemplateMeta { path: path.unwrap(), print: print }
}
-/// Takes a `syn::DeriveInput` and generates source code for it
-///
-/// Reads the metadata from the `template()` attribute to get the template
-/// metadata, then fetches the source from the filesystem. The source is
-/// parsed, and the parse tree is fed to the code generator. Will print
-/// the parse tree and/or generated source according to the `print` key's
-/// value as passed to the `template()` attribute.
-fn build_template(ast: &syn::DeriveInput) -> String {
- let meta = get_template_meta(ast);
- let path = path::find_template_from_path(&meta.path, None);
- let src = path::get_template_source(&path);
- let nodes = parser::parse(&src);
- if meta.print == "ast" || meta.print == "all" {
- println!("{:?}", nodes);
- }
- let code = generator::generate(ast, &meta.path, nodes);
- if meta.print == "code" || meta.print == "all" {
- println!("{}", code);
- }
- code
-}
-
-#[proc_macro_derive(Template, attributes(template))]
-pub fn derive_template(input: TokenStream) -> TokenStream {
- let ast = syn::parse_derive_input(&input.to_string()).unwrap();
- match ast.body {
- syn::Body::Struct(ref data) => data,
- _ => panic!("#[derive(Template)] can only be used with structs"),
- };
- build_template(&ast).parse().unwrap()
+// Holds metadata for the template, based on the `template()` attribute.
+struct TemplateMeta {
+ path: String,
+ print: String,
}