feat: use cfg-based coverage exclusion to replace 'ignore-filename-regex' option, setup coveralls & nightly-based coverage

src/bin/aspect_demo.rs

@@ -1,3 +1,6 @@
+#![cfg_attr(coverage_nightly, feature(coverage_attribute))]
+#![cfg_attr(coverage_nightly, coverage(off))]
+
 use std::time::{Duration, Instant};
 
 use sdl2::event::Event;

src/bin/timing_demo.rs

@@ -1,3 +1,6 @@
+#![cfg_attr(coverage_nightly, feature(coverage_attribute))]
+#![cfg_attr(coverage_nightly, coverage(off))]
+
 use circular_buffer::CircularBuffer;
 use pacman::constants::CANVAS_SIZE;
 use sdl2::event::Event;

src/lib.rs

@@ -1,14 +1,22 @@
 //! Pac-Man game library crate.
+#![cfg_attr(coverage_nightly, feature(coverage_attribute))]
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod app;
-pub mod asset;
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod audio;
-pub mod constants;
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod error;
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod events;
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod formatter;
+#[cfg_attr(coverage_nightly, coverage(off))]
+pub mod platform;
+
+pub mod asset;
+pub mod constants;
 pub mod game;
 pub mod map;
-pub mod platform;
 pub mod systems;
 pub mod texture;

src/main.rs

@@ -1,20 +1,27 @@
 // Note: This disables the console window on Windows. We manually re-attach to the parent terminal or process later on.
 #![windows_subsystem = "windows"]
+#![cfg_attr(coverage_nightly, feature(coverage_attribute))]
 
 use crate::{app::App, constants::LOOP_TIME};
 use tracing::info;
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 mod app;
-mod asset;
+#[cfg_attr(coverage_nightly, coverage(off))]
 mod audio;
-mod constants;
-
+#[cfg_attr(coverage_nightly, coverage(off))]
 mod error;
+#[cfg_attr(coverage_nightly, coverage(off))]
 mod events;
+#[cfg_attr(coverage_nightly, coverage(off))]
 mod formatter;
+#[cfg_attr(coverage_nightly, coverage(off))]
+mod platform;
+
+mod asset;
+mod constants;
 mod game;
 mod map;
-mod platform;
 mod systems;
 mod texture;
 
@@ -22,6 +29,7 @@ mod texture;
 ///
 /// This function initializes SDL, the window, the game state, and then enters
 /// the main game loop.
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub fn main() {
     // On Windows, this connects output streams to the console dynamically
     // On Emscripten, this connects the subscriber to the browser console

src/systems/debug.rs

@@ -1,6 +1,5 @@
 //! Debug rendering system
-use std::cmp::Ordering;
-
+#[cfg_attr(coverage_nightly, feature(coverage_attribute))]
 use crate::constants::{self, BOARD_PIXEL_OFFSET};
 use crate::map::builder::Map;
 use crate::systems::{Collider, CursorPosition, NodeId, Position, SystemTimings};
@@ -13,6 +12,7 @@ use sdl2::rect::{Point, Rect};
 use sdl2::render::{Canvas, Texture};
 use sdl2::video::Window;
 use smallvec::SmallVec;
+use std::cmp::Ordering;
 use std::collections::{HashMap, HashSet};
 use tracing::warn;
 
@@ -149,6 +149,7 @@ fn transform_position_with_offset(pos: Vec2, scale: f32) -> IVec2 {
 }
 
 /// Renders timing information in the top-left corner of the screen using the debug text atlas
+#[cfg_attr(coverage_nightly, coverage(off))]
 fn render_timing_display(
     canvas: &mut Canvas<Window>,
     timings: &SystemTimings,
@@ -203,6 +204,7 @@ fn render_timing_display(
 }
 
 #[allow(clippy::too_many_arguments)]
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub fn debug_render_system(
     canvas: &mut Canvas<Window>,
     ttf_atlas: &mut TtfAtlasResource,

src/systems/mod.rs

@@ -3,17 +3,21 @@
 //! This module contains all the ECS-related logic, including components, systems,
 //! and resources.
 
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod audio;
 pub mod blinking;
 pub mod collision;
 pub mod components;
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod debug;
 pub mod ghost;
 pub mod input;
 pub mod item;
 pub mod movement;
 pub mod player;
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod profiling;
+#[cfg_attr(coverage_nightly, coverage(off))]
 pub mod render;
 pub mod stage;