init

2025-05-03 00:56:05 +08:00
commit 73a774e9c8
4 changed files with 412 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -0,0 +1,325 @@
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--- a/Cargo.toml
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "find-symbol"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+walkdir = "2"
+rayon = "1.5"
+clap = { version = "4", features = ["derive"] }
--- a/src/main.rs
+++ b/src/main.rs
@@ -0,0 +1,77 @@
+use std::path::Path;
+use walkdir::{DirEntry, WalkDir};
+use rayon::prelude::*;
+use std::process::Command;
+use clap::Parser;
+
+#[derive(Parser, Debug)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+    /// Root directory to search in
+    #[arg(short = 'r', long)]
+    dir: String,
+
+    /// Target symbol to search for
+    #[arg(short = 's', long)]
+    symbol: String,
+}
+
+fn file_contains_symbol<P: AsRef<Path>>(file_path: P, symbol: &str) -> bool {
+    let output = Command::new("nm")
+        .arg(file_path.as_ref())
+        .output();
+
+    match output {
+        Ok(output) => {
+            // 将 nm 的输出转为字符串，并查找是否有匹配的符号
+            let stdout = String::from_utf8_lossy(&output.stdout);
+            stdout.lines().any(|line| {
+                let parts: Vec<&str> = line.split_whitespace().collect();
+                if parts.len() >= 3 {
+                    parts[2].contains(symbol)
+                } else {
+                    false
+                }
+            })
+        }
+        Err(e) => {
+            eprintln!("Failed to run nm on {}: {}", file_path.as_ref().display(), e);
+            false
+        }
+    }
+}
+
+fn is_o_file(entry: &DirEntry) -> bool {
+    if let Some(ext) = entry.path().extension() {
+        ext == "o"
+    } else {
+        false
+    }
+}
+
+fn main() {
+    let args = Args::parse();
+
+    let root_dir = args.dir;
+    let target_symbol = args.symbol;
+
+    let result_files: Vec<_> = WalkDir::new(root_dir)
+        .into_iter()
+        .par_bridge()
+        .filter_map(|entry| {
+            let entry = entry.ok()?;
+            if is_o_file(&entry) {
+                let path = entry.path().to_path_buf();
+                if file_contains_symbol(&path, &target_symbol) {
+                    return Some(path);
+                }
+            }
+            None
+        })
+        .collect();
+
+    println!("Files containing symbol '{}':", target_symbol);
+    for file in result_files {
+        println!("  {}", file.display());
+    }
+}