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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use std::io::Write;
use crate::bindgen::cdecl;
use crate::bindgen::config::Config;
use crate::bindgen::declarationtyperesolver::DeclarationTypeResolver;
use crate::bindgen::dependencies::Dependencies;
use crate::bindgen::ir::{AnnotationSet, Cfg, Documentation, Item, ItemContainer, Path, Type};
use crate::bindgen::library::Library;
use crate::bindgen::writer::{Source, SourceWriter};
#[derive(Debug, Clone)]
pub struct Static {
pub path: Path,
pub export_name: String,
pub ty: Type,
pub mutable: bool,
pub cfg: Option<Cfg>,
pub annotations: AnnotationSet,
pub documentation: Documentation,
}
impl Static {
pub fn load(
path: Path,
item: &syn::ItemStatic,
mod_cfg: Option<&Cfg>,
) -> Result<Static, String> {
let ty = Type::load(&item.ty)?;
if ty.is_none() {
return Err("Cannot have a zero sized static definition.".to_owned());
}
Ok(Static::new(
path,
ty.unwrap(),
item.mutability.is_some(),
Cfg::append(mod_cfg, Cfg::load(&item.attrs)),
AnnotationSet::load(&item.attrs)?,
Documentation::load(&item.attrs),
))
}
pub fn new(
path: Path,
ty: Type,
mutable: bool,
cfg: Option<Cfg>,
annotations: AnnotationSet,
documentation: Documentation,
) -> Self {
let export_name = path.name().to_owned();
Self {
path,
export_name,
ty,
mutable,
cfg,
annotations,
documentation,
}
}
pub fn simplify_standard_types(&mut self, config: &Config) {
self.ty.simplify_standard_types(config);
}
}
impl Item for Static {
fn path(&self) -> &Path {
&self.path
}
fn export_name(&self) -> &str {
&self.export_name
}
fn cfg(&self) -> Option<&Cfg> {
self.cfg.as_ref()
}
fn annotations(&self) -> &AnnotationSet {
&self.annotations
}
fn annotations_mut(&mut self) -> &mut AnnotationSet {
&mut self.annotations
}
fn container(&self) -> ItemContainer {
ItemContainer::Static(self.clone())
}
fn rename_for_config(&mut self, config: &Config) {
self.ty.rename_for_config(config, &Default::default());
}
fn resolve_declaration_types(&mut self, resolver: &DeclarationTypeResolver) {
self.ty.resolve_declaration_types(resolver);
}
fn add_dependencies(&self, library: &Library, out: &mut Dependencies) {
self.ty.add_dependencies(library, out);
}
}
impl Source for Static {
fn write<F: Write>(&self, config: &Config, out: &mut SourceWriter<F>) {
out.write("extern ");
if let Type::Ptr { is_const: true, .. } = self.ty {
} else if !self.mutable {
out.write("const ");
}
cdecl::write_field(out, &self.ty, &self.export_name, config);
out.write(";");
}
}
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