Refactor dependency and imports calculation

crates/header-translator/src/config.rs

@@ -8,7 +8,7 @@ use heck::ToTrainCase;
 use semver::Version;
 use serde::{de, Deserialize, Deserializer};
 
-use crate::id::{Location, LocationLibrary};
+use crate::id::Location;
 use crate::stmt::{Derives, Mutability};
 use crate::ItemIdentifier;
 
@@ -21,16 +21,14 @@ pub struct Config {
 impl Config {
     pub fn library(&self, location: impl AsRef<Location>) -> &LibraryConfig {
         let location = location.as_ref();
-        match location.library() {
-            LocationLibrary::System => &self.system,
-            LocationLibrary::Library(library) => self.libraries.get(library).unwrap_or_else(|| {
+        let library_name = location.library_name();
+        if library_name == "System" || library_name == "objc2" {
+            &self.system
+        } else {
+            self.libraries.get(library_name).unwrap_or_else(|| {
                 error!("tried to get library config from {location:?}");
                 &self.system
-            }),
-            _ => {
-                error!("tried to get library config from {location:?}");
-                &self.system
-            }
+            })
         }
     }
 
@@ -310,8 +308,8 @@ impl<'de> Deserialize<'de> for Mutability {
             let (library, rest) = value.split_once("::")?;
             let (file_name, name) = rest.split_once("::")?;
             Some(ItemIdentifier::from_raw(
-                name.to_string(),
-                vec![library.to_string(), file_name.to_string()],
+                name.into(),
+                vec![library.to_string().into(), file_name.to_string().into()],
             ))
         }
 

crates/header-translator/src/context.rs

@@ -1,3 +1,4 @@
+use std::borrow::Cow;
 use std::collections::HashMap;
 use std::ops;
 use std::path::{Path, PathBuf};
@@ -30,7 +31,7 @@ impl<'a> Context<'a> {
             if let Some(file) = location.get_file_location().file {
                 let path = file.get_path();
                 if let Ok(path) = path.strip_prefix(&self.framework_dir) {
-                    let mut components: Vec<_> = path
+                    let mut components: Vec<Cow<'_, str>> = path
                         .components()
                         .filter(|component| {
                             component.as_os_str() != "Headers"
@@ -39,14 +40,14 @@ impl<'a> Context<'a> {
                         .map(|component| component.as_os_str().to_str().expect("component to_str"))
                         .map(|component| component.strip_suffix(".framework").unwrap_or(component))
                         .map(|component| component.strip_suffix(".h").unwrap_or(component))
-                        .map(|s| s.to_string())
+                        .map(|s| s.to_string().into())
                         .collect();
 
                     // Put items in umbrella header in `mod.rs`
                     if let [.., innermost_framework_name, file_name] = &*components {
                         let umbrella_header = self
                             .libraries
-                            .get(innermost_framework_name)
+                            .get(&**innermost_framework_name)
                             .and_then(|lib| lib.umbrella_header.as_deref())
                             .unwrap_or(innermost_framework_name);
 
@@ -57,11 +58,14 @@ impl<'a> Context<'a> {
 
                     return Some(Location::from_components(components));
                 } else if let Ok(path) = path.strip_prefix(&self.include_dir) {
-                    if path.starts_with("objc") || path == Path::new("MacTypes.h") {
-                        return Some(Location::from_components(vec!["System".to_string()]));
+                    if path.starts_with("objc") {
+                        return Some(Location::from_components(vec!["objc2".into()]));
+                    }
+                    if path == Path::new("MacTypes.h") {
+                        return Some(Location::from_components(vec!["System".into()]));
                     }
                     if path.starts_with("sys") {
-                        return Some(Location::from_components(vec!["libc".to_string()]));
+                        return Some(Location::from_components(vec!["libc".into()]));
                     }
                 }
             }

crates/header-translator/src/default_cargo.toml

@@ -21,7 +21,6 @@ license = "MIT"
 workspace = true
 
 [dependencies]
-objc2 = { path = "../../crates/objc2", version = "0.5.1", default-features = false }
 
 [package.metadata.docs.rs]
 default-target = "UNSET"
@@ -33,5 +32,5 @@ targets = [
 default = ["std"]
 
 # Currently not possible to turn off, put here for forwards compatibility.
-std = ["alloc", "objc2/std"]
-alloc = ["objc2/alloc"]
+std = ["alloc"]
+alloc = []

crates/header-translator/src/expr.rs

@@ -203,9 +203,9 @@ impl Expr {
             Self::Signed(_) => {}
             Self::Unsigned(_) => {}
             Self::Float(_) => {}
-            Self::MacroInvocation { evaluated, .. } => {
+            Self::MacroInvocation { evaluated, id } => {
                 if evaluated.is_none() {
-                    // features.add_item(&id);
+                    items.push(id.clone());
                 }
             }
             Self::Enum { id, .. } => {
@@ -214,7 +214,7 @@ impl Expr {
             Self::Const(id) => {
                 items.push(id.clone());
             }
-            Self::Var { id, ty, .. } => {
+            Self::Var { id, ty } => {
                 items.push(id.clone());
                 items.extend(ty.required_items());
             }