From 9166af8616851a2bb4b8095adf204b08d4400708 Mon Sep 17 00:00:00 2001
From: Martin Verzilli <martin.verzilli@gmail.com>
Date: Tue, 17 Oct 2023 13:01:17 +0200
Subject: [PATCH] feat(debugger): highlight current src code loc (#3174)

---
 Cargo.lock                  | 1 +
 tooling/debugger/Cargo.toml | 3 ++-
 tooling/debugger/src/lib.rs | 9 ++++++++-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 21a8b3d8f27..5601dbae53d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2545,6 +2545,7 @@ dependencies = [
  "easy-repl",
  "nargo",
  "noirc_printable_type",
+ "owo-colors",
  "thiserror",
 ]
 
diff --git a/tooling/debugger/Cargo.toml b/tooling/debugger/Cargo.toml
index 5b8248345a0..e01abd9ac61 100644
--- a/tooling/debugger/Cargo.toml
+++ b/tooling/debugger/Cargo.toml
@@ -13,4 +13,5 @@ acvm.workspace = true
 nargo.workspace = true
 noirc_printable_type.workspace = true
 thiserror.workspace = true
-easy-repl = "0.2.1"
\ No newline at end of file
+easy-repl = "0.2.1"
+owo-colors = "3"
\ No newline at end of file
diff --git a/tooling/debugger/src/lib.rs b/tooling/debugger/src/lib.rs
index 2df5eb74206..f8e9db19234 100644
--- a/tooling/debugger/src/lib.rs
+++ b/tooling/debugger/src/lib.rs
@@ -12,6 +12,8 @@ use nargo::ops::ForeignCallExecutor;
 use easy_repl::{command, CommandStatus, Critical, Repl};
 use std::cell::{Cell, RefCell};
 
+use owo_colors::OwoColorize;
+
 enum SolveResult {
     Done,
     Ok,
@@ -85,7 +87,12 @@ impl<'backend, B: BlackBoxFunctionSolver> DebugContext<'backend, B> {
                 let start = loc.span.start() as usize;
                 let end = loc.span.end() as usize;
                 println!("At {}:{start}-{end}", file.path.as_path().display());
-                println!("\n{}\n", &source[start..end]);
+                println!(
+                    "\n{}{}{}\n",
+                    &source[0..start].to_string().dimmed(),
+                    &source[start..end],
+                    &source[end..].to_string().dimmed(),
+                );
             }
         }
     }