crate_path

CHANGELOG.md

@@ -7,6 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [Unreleased]
 
+- Add `crate_path` setting
 - Inline `Settings` into `Config`, add `settings_file`
 - Fix MSP430 PAC inner attribute generation when used with the `-m` switch.
 

src/config.rs

@@ -1,9 +1,15 @@
 use anyhow::{bail, Result};
+use proc_macro2::Span;
+use serde::Deserialize;
 use std::{
     collections::HashMap,
     ops::{Deref, DerefMut},
     path::{Path, PathBuf},
+    str::FromStr,
 };
+use syn::{punctuated::Punctuated, Ident};
+
+use crate::util::path_segment;
 
 #[cfg_attr(feature = "serde", derive(serde::Deserialize), serde(default))]
 #[derive(Clone, PartialEq, Eq, Debug, Default)]
@@ -323,6 +329,7 @@ pub enum IdentFormatsTheme {
 pub struct Settings {
     /// Path to chip HTML generated by svdtools
     pub html_url: Option<url::Url>,
+    pub crate_path: Option<CratePath>,
     /// RISC-V specific settings
     pub riscv_config: Option<riscv::RiscvConfig>,
 }
@@ -332,10 +339,45 @@ impl Settings {
         if source.html_url.is_some() {
             self.html_url = source.html_url;
         }
+        if source.crate_path.is_some() {
+            self.crate_path = source.crate_path;
+        }
         if source.riscv_config.is_some() {
             self.riscv_config = source.riscv_config;
         }
     }
 }
 
+#[derive(Clone, PartialEq, Eq, Debug)]
+pub struct CratePath(pub syn::Path);
+
+impl Default for CratePath {
+    fn default() -> Self {
+        let mut segments = Punctuated::new();
+        segments.push(path_segment(Ident::new("crate", Span::call_site())));
+        Self(syn::Path {
+            leading_colon: None,
+            segments,
+        })
+    }
+}
+
+#[cfg(feature = "serde")]
+impl<'de> Deserialize<'de> for CratePath {
+    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        let s = String::deserialize(deserializer)?;
+        Ok(Self::from_str(&s).unwrap())
+    }
+}
+
+impl FromStr for CratePath {
+    type Err = syn::Error;
+    fn from_str(s: &str) -> std::result::Result<Self, Self::Err> {
+        syn::parse_str(&s).map(Self)
+    }
+}
+
 pub mod riscv;

src/util.rs

@@ -293,18 +293,18 @@ pub fn block_path_to_ty(
     config: &Config,
     span: Span,
 ) -> TypePath {
-    let mut segments = Punctuated::new();
-    segments.push(path_segment(Ident::new("crate", span)));
-    segments.push(path_segment(ident(
+    let mut path = config.settings.crate_path.clone().unwrap_or_default().0;
+    path.segments.push(path_segment(ident(
         &bpath.peripheral,
         config,
         "peripheral_mod",
         span,
     )));
     for ps in &bpath.path {
-        segments.push(path_segment(ident(ps, config, "cluster_mod", span)));
+        path.segments
+            .push(path_segment(ident(ps, config, "cluster_mod", span)));
     }
-    type_path(segments)
+    TypePath { qself: None, path }
 }
 
 pub fn register_path_to_ty(