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-rw-r--r--src/bindgen/ir/global.rs121
1 files changed, 121 insertions, 0 deletions
diff --git a/src/bindgen/ir/global.rs b/src/bindgen/ir/global.rs
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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(";");
+ }
+}