Add compact UIR text representation

This commit is contained in:
Alex Bethel 2022-08-27 23:21:05 -06:00
parent 2607722686
commit 9926208b4a
3 changed files with 105 additions and 4 deletions

View file

@ -25,6 +25,18 @@ pub struct Program {
defs: Vec<(Identifier, Vec<Instruction>)>,
}
impl Display for Program {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
for def in self.defs.iter() {
writeln!(f, "PR {}", def.0)?;
for inst in def.1.iter() {
writeln!(f, "{}", inst)?;
}
}
Ok(())
}
}
/// An instruction in untyped IR.
#[derive(Debug)]
enum Instruction {
@ -135,6 +147,81 @@ enum Instruction {
},
}
impl Display for Instruction {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Instruction::Apply {
target,
func,
argument,
} => write!(f, "AP {target} <- {func} {argument}"),
Instruction::Collect { target, source } => {
write!(f, "CL {target} <- ")?;
for s in source {
write!(f, "{s},")?;
}
Ok(())
}
Instruction::Branch {
target,
constructor,
iftrue,
iffalse,
} => {
writeln!(f, "IF {constructor} = {target} THEN [")?;
for inst in iftrue {
writeln!(f, "{inst}")?;
}
writeln!(f, "] ELSE [")?;
for inst in iffalse {
writeln!(f, "{inst}")?;
}
write!(f, "] ENDIF")?;
Ok(())
}
Instruction::DestructureData {
source,
constructor,
targets,
} => {
write!(f, "DS {constructor} (")?;
for target in targets {
write!(f, "{target},")?;
}
write!(f, ") << {source}")?;
Ok(())
}
Instruction::DestructureTuple { source, targets } => {
write!(f, "DT (")?;
for target in targets {
write!(f, "{target},")?;
}
write!(f, ") <- {source}")?;
Ok(())
}
Instruction::DefLambda {
target,
param,
body,
} => {
writeln!(f, "DL {target} <- \\{param} [")?;
for inst in body {
writeln!(f, "{}", inst)?;
}
write!(f, "]")?;
Ok(())
},
Instruction::Return { target } => {
write!(f, "RT {target}")
},
Instruction::Unreachable => {
write!(f, "UN")
},
Instruction::FixType { target, typ } => todo!(),
}
}
}
/// A storage location in untyped IR.
#[derive(Debug, Clone)]
enum Location {
@ -287,11 +374,23 @@ fn bind_pattern(counter: &mut u64, p: syntax::Pattern, l: &Location) -> Vec<Inst
fn eval_expr(counter: &mut u64, e: syntax::Expr, l: &Location) -> Vec<Instruction> {
match e {
syntax::Expr::BinaryOp {
kind,
kind: _,
left,
right,
translation,
} => todo!(),
} => eval_expr(
counter,
syntax::Expr::Application {
func: Box::new(syntax::Expr::Application {
func: Box::new(syntax::Expr::VariableReference(Identifier {
elems: vec![translation],
})),
argument: left,
}),
argument: right,
},
l,
),
syntax::Expr::Application { func, argument } => {
let func_e = temporary(counter);
let arg_e = temporary(counter);

View file

@ -263,7 +263,7 @@ fn main() {
let ast = chumsky::Parser::parse(&parser(&meta), source).map_err(ParserError)?;
let untyped_ir = ast_to_untyped_ir(ast);
println!("{untyped_ir:#?}");
println!("{untyped_ir}");
Ok(())
}

View file

@ -1,3 +1,5 @@
// IR Test
def nul (a, b) = sin a;
// def nul (a, b) = sin a;
def add (a, b) = a + b * c;