chore: rename executor -> evaluator and integrate into app

crates/eval/src/kind/debug/instr/mod.rs

@@ -0,0 +1,44 @@
+pub mod read {
+    use image::{io::Reader as ImageReader, DynamicImage};
+    use ir::instruction::read::{Read, SourceType};
+
+    pub fn read(Read { source, .. }: Read) -> DynamicImage {
+        // TODO: actual error handling
+        let img = ImageReader::open(match source {
+            SourceType::File(path) => path,
+        })
+        .expect("something went wrong :(((");
+
+        img.decode().expect("couldn't decode image")
+    }
+}
+
+pub mod write {
+    use image::{DynamicImage, ImageFormat};
+    use ir::instruction::write::{TargetFormat, TargetType, Write};
+
+    pub fn write(Write { target, format }: Write, input_data: &DynamicImage) {
+        input_data
+            .save_with_format(
+                match target {
+                    TargetType::File(path) => path,
+                },
+                match format {
+                    TargetFormat::Jpeg => ImageFormat::Jpeg,
+                    TargetFormat::Png => ImageFormat::Png,
+                },
+            )
+            .expect("couldn't save file — come back later and handle me properly please uwu");
+    }
+}
+
+pub mod filters {
+    pub mod invert {
+        use image::DynamicImage;
+
+        pub fn invert(mut input_data: DynamicImage) -> DynamicImage {
+            input_data.invert();
+            input_data
+        }
+    }
+}