bendns' repos / mindus
mindustry logic execution, map- and schematic- parsing and rendering
Diffstat (limited to 'lemu/src/code.rs')
-rw-r--r--lemu/src/code.rs58
1 files changed, 58 insertions, 0 deletions
diff --git a/lemu/src/code.rs b/lemu/src/code.rs
new file mode 100644
index 0000000..9132279
--- /dev/null
+++ b/lemu/src/code.rs
@@ -0,0 +1,58 @@
+use super::{
+ instructions::{DrawInstr, Instr},
+ lexer::Token,
+};
+
+#[derive(Debug)]
+pub enum PInstr<'s> {
+ Instr(Instr<'s>),
+ Draw(DrawInstr<'s>),
+ Code(Box<[Token<'s>]>),
+ Comment(&'s str),
+}
+
+impl std::fmt::Display for PInstr<'_> {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ match self {
+ Self::Instr(i) => write!(f, "{i}"),
+ Self::Draw(i) => write!(f, "{i}"),
+ Self::Code(c) => {
+ let mut toks = c.iter();
+ if let Some(t) = toks.next() {
+ write!(f, "{t}")?;
+ }
+ for token in toks {
+ write!(f, " {token}")?;
+ }
+ Ok(())
+ }
+ Self::Comment(c) => write!(f, "{c}"),
+ }
+ }
+}
+
+impl std::fmt::Display for Code<'_> {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ for instr in &*self.0 {
+ writeln!(f, "{instr}")?;
+ }
+ Ok(())
+ }
+}
+
+#[repr(transparent)]
+pub struct Code<'s>(Box<[PInstr<'s>]>);
+
+// Pin requires
+impl<'s> std::ops::Deref for Code<'s> {
+ type Target = [PInstr<'s>];
+
+ fn deref(&self) -> &Self::Target {
+ &self.0
+ }
+}
+impl<'s> Code<'s> {
+ pub(crate) fn new(code: Box<[PInstr<'s>]>) -> Self {
+ Self(code)
+ }
+}