Initial commit

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);