Initial commit

.gitignore

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+# ---> Rust
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+

Cargo.toml

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+[package]
+name = "saja"
+version = "0.1.0"
+edition = "2021"
+
+[workspace]
+members = [
+  "crates/parser",
+]
+resolver = "2"
+
+[workspace.dependencies]
+compact_str = "0.8.0"
+
+saja-parser = { path = "crates/parser", version = "0.1.0" }
+
+[dependencies]
+

LICENSE

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+MIT License
+
+Copyright (c) 2024 VienDesu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# saja
+
+VNDS engine implementation.
+
+# Architecture
+
+`saja` consist of two parts:
+
+1. `saja-parser` - parser of the vnds scripts format
+2. `saja-project` - library for loading VNDS games as complete projects
+

crates/parser/Cargo.toml

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+[package]
+name = "saja-parser"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+chumsky = "0.9.3"
+compact_str.workspace = true
+

crates/parser/src/lib.rs

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+pub mod stmt;
+
+pub mod types;

crates/parser/src/stmt.rs

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+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
+pub enum Stmt {
+    BgLoad(bgload::BgLoad),
+    SetImg(setimg::SetImg),
+}
+
+pub mod bgload;
+pub mod setimg;

crates/parser/src/stmt/bgload.rs

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+use compact_str::CompactString;
+
+use crate::types::Fadetime;
+
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
+pub struct BgLoad {
+    pub file: CompactString,
+    pub fadetime: Option<Fadetime>,
+}

crates/parser/src/stmt/setimg.rs

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+use compact_str::CompactString;
+
+use crate::types::Position;
+
+#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
+pub struct SetImg {
+    pub file: CompactString,
+    pub position: Position,
+}

crates/parser/src/types.rs

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+use std::num::NonZeroU16;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+#[repr(transparent)]
+pub struct Fadetime(pub NonZeroU16);
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+#[repr(transparent)]
+pub struct Coord(pub i16);
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Position(pub Coord, pub Coord);
+
+impl Position {
+    pub const fn offset(self, Offset(dx, dy): Offset) -> Self {
+        Self(Coord(self.0 .0 + dx.0), Coord(self.1 .0 + dy.0))
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+pub struct Offset(pub Coord, pub Coord);

flake.lock

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+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1722185531,
+        "narHash": "sha256-veKR07psFoJjINLC8RK4DiLniGGMgF3QMlS4tb74S6k=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "52ec9ac3b12395ad677e8b62106f0b98c1f8569d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1722305989,
+        "narHash": "sha256-ljiuTGSFuEtudqFqp/5Wr1OuEsVCjur/F2CmlNujSjc=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "38c2f156fca1868c8be7195ddac150522752f6ab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Saja";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = {
+    nixpkgs,
+    flake-utils,
+    rust-overlay,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem(system:
+      let
+        overlays = [(import rust-overlay)];
+        pkgs = import nixpkgs { inherit system overlays; };
+
+        rust = rec {
+          package = pkgs.rust-bin.stable.latest.default;
+          devPackage = package.override {
+            extensions = [ "rust-src" "rust-analyzer" ];
+          };
+        };
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          shellHook = ''
+            export PS1="(saja) $PS1"
+          '';
+          buildInputs = [ rust.devPackage ];
+        };
+      }
+    );
+}

src/main.rs

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+fn main() {
+    println!("Hello, world!");
+}