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webidl: translate webidl const to backend const

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This commit is contained in:
Julius Rakow
2018-07-13 06:04:40 +02:00
parent 862e4c50f6
commit e35129445d
2 changed files with 59 additions and 5 deletions
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35
crates/webidl/src/lib.rs
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@ -29,12 +29,12 @@ use std::path::Path;
use backend::defined::{ImportedTypeDefinitions, RemoveUndefinedImports};
use backend::util::{ident_ty, rust_ident, wrap_import_function};
use failure::ResultExt;
use heck::CamelCase;
use heck::{CamelCase, ShoutySnakeCase};
use quote::ToTokens;
use util::{
create_basic_method, create_function, create_getter, create_setter, webidl_ty_to_syn_ty,
TypePosition,
create_basic_method, create_function, create_getter, create_setter, webidl_const_ty_to_syn_ty,
webidl_const_v_to_backend_const_v, webidl_ty_to_syn_ty, TypePosition,
};
/// Either `Ok(t)` or `Err(failure::Error)`.
@ -297,9 +297,9 @@ impl<'a> WebidlParse<&'a str> for webidl::ast::InterfaceMember {
attr.webidl_parse(program, self_name)
}
webidl::ast::InterfaceMember::Operation(ref op) => op.webidl_parse(program, self_name),
webidl::ast::InterfaceMember::Const(ref c) => c.webidl_parse(program, self_name),
// TODO
webidl::ast::InterfaceMember::Const(_)
| webidl::ast::InterfaceMember::Iterable(_)
webidl::ast::InterfaceMember::Iterable(_)
| webidl::ast::InterfaceMember::Maplike(_)
| webidl::ast::InterfaceMember::Setlike(_) => {
warn!("Unsupported WebIDL interface member: {:?}", self);
@ -474,3 +474,28 @@ impl<'a> WebidlParse<()> for webidl::ast::Enum {
Ok(())
}
}
impl<'a> WebidlParse<&'a str> for webidl::ast::Const {
fn webidl_parse(
&self,
program: &mut backend::ast::Program,
interface_name: &'a str,
) -> Result<()> {
let syn_ty = webidl_const_ty_to_syn_ty(&self.type_);
program.imports.push(backend::ast::Import {
module: None,
version: None,
js_namespace: None,
kind: backend::ast::ImportKind::Const(backend::ast::Const {
vis: syn::Visibility::Public(syn::VisPublic {
pub_token: Default::default(),
}),
name: rust_ident(self.name.to_shouty_snake_case().as_str()),
interface_name: rust_ident(interface_name),
ty: syn_ty,
value: webidl_const_v_to_backend_const_v(&self.value),
}),
});
Ok(())
}
}