test: cargo expand --lib > macro-expanded/lib.rs

Author: zjp-CN

demo/rustc_driver/tests/basic/macro-expanded/lib.rs

@@ -0,0 +1,55 @@
+#![feature(prelude_import)]
+#![feature(register_tool)]
+#![register_tool(Safety)]
+#![allow(clippy::missing_safety_doc, clippy::mut_from_ref, internal_features)]
+#![feature(core_intrinsics)]
+#[prelude_import]
+use std::prelude::rust_2024::*;
+#[macro_use]
+extern crate std;
+use safety_tool_lib::safety;
+/// It's undefined behavior to reach code marked with this intrinsic function.
+#[Safety::inner(
+    UnReachable,
+    kind = "precond",
+    memo = "It's undefined behavior to reach code marked with this intrinsic function."
+)]
+pub unsafe fn test() -> ! {
+    unsafe { std::intrinsics::unreachable() }
+}
+pub struct MyStruct {
+    ptr: *mut u8,
+    len: usize,
+}
+impl MyStruct {
+    pub fn from(p: *mut u8, l: usize) -> MyStruct {
+        MyStruct { ptr: p, len: l }
+    }
+    /// The ptr must be initialized first!
+    #[Safety::inner(
+        Init(self.ptr, u8, self.len),
+        kind = "precond",
+        memo = "The ptr must be initialized first!"
+    )]
+    /// The ptr must be within the length.
+    #[Safety::inner(
+        InBound(self.ptr, u8, self.len),
+        kind = "precond",
+        memo = "The ptr must be within the length."
+    )]
+    /// Slice length can't exceed isize::MAX due to allocation limit.
+    #[Safety::inner(
+        ValidNum(self.len*sizeof(u8), [0, isize::MAX]),
+        kind = "precond",
+        memo = "Slice length can't exceed isize::MAX due to allocation limit."
+    )]
+    /// Make sure don't alias the ptr.
+    #[Safety::inner(
+        Alias(self.ptr),
+        kind = "hazard",
+        memo = "Make sure don't alias the ptr."
+    )]
+    pub unsafe fn get(&self) -> &mut [u8] {
+        unsafe { std::slice::from_raw_parts_mut(self.ptr, self.len) }
+    }
+}