From 2630b8dde7000c4bc63312cc0de9eda599748634 Mon Sep 17 00:00:00 2001
From: Wesley Moore <wes@wezm.net>
Date: Tue, 9 Jul 2019 08:30:20 +1000
Subject: Add Visitor

---
 src/annotate.rs         | 10 ++++++++++
 src/bin/annotaterust.rs | 47 ++++++++++++++++++++++++++++++-----------------
 2 files changed, 40 insertions(+), 17 deletions(-)

diff --git a/src/annotate.rs b/src/annotate.rs
index a11d9b7..9e1e831 100644
--- a/src/annotate.rs
+++ b/src/annotate.rs
@@ -1,4 +1,6 @@
 use serde::Serialize;
+use syn::visit::Visit;
+use syn::FnDecl;
 
 #[derive(Serialize)]
 #[serde(tag = "type")]
@@ -21,3 +23,11 @@ pub enum Annotation {
         content: String,
     },
 }
+
+pub struct FnVisitor;
+
+impl<'ast> Visit<'ast> for FnVisitor {
+    fn visit_fn_decl(&mut self, i: &'ast FnDecl) {
+        dbg!(i);
+    }
+}
diff --git a/src/bin/annotaterust.rs b/src/bin/annotaterust.rs
index 8a85563..3ecc023 100644
--- a/src/bin/annotaterust.rs
+++ b/src/bin/annotaterust.rs
@@ -1,10 +1,13 @@
-use std::{env, io};
+use std::collections::HashMap;
 use std::fs::File;
 use std::io::Read;
 use std::process;
-use std::collections::HashMap;
+use std::{env, io};
+
+use syn::visit::Visit;
 
-use annotate_rust::{git, annotate::Annotation};
+use annotate_rust::annotate::{Annotation, FnVisitor};
+use annotate_rust::git;
 
 fn main() {
     let mut args = env::args();
@@ -26,24 +29,34 @@ fn main() {
     let syntax = syn::parse_file(&src).expect("Unable to parse file");
     println!("{:#?}", syntax);
 
+    // Visit function invocations
+    let mut visitor = FnVisitor;
+    visitor.visit_file(&syntax);
+
     let output = git::crawl_git_tree(".").expect("git");
     let blobs = git::parse_ls_tree_output(&output).expect("parse");
 
     let mut annotations = HashMap::new();
-    annotations.entry(blobs[0].object).or_insert(Vec::new()).push(Annotation::Markdown {
-        lineno: 1,
-        title: "Title".to_string(),
-        content: "content".to_string()
-    });
-    annotations.entry(blobs[0].object).or_insert(Vec::new()).push(Annotation::Link {
-        lineno: 1,
-        colno: 0,
-        len: 5,
-        to: "asdf".to_string(),
-        title: None,
-        color: None
-    });
+    annotations
+        .entry(blobs[0].object)
+        .or_insert(Vec::new())
+        .push(Annotation::Markdown {
+            lineno: 1,
+            title: "Title".to_string(),
+            content: "content".to_string(),
+        });
+    annotations
+        .entry(blobs[0].object)
+        .or_insert(Vec::new())
+        .push(Annotation::Link {
+            lineno: 1,
+            colno: 0,
+            len: 5,
+            to: "asdf".to_string(),
+            title: None,
+            color: None,
+        });
 
     let stdout = io::stdout();
-    serde_json::to_writer_pretty(stdout, &annotations).expect("json");
+    serde_json::to_writer(stdout, &annotations).expect("json");
 }
-- 
cgit v1.2.3