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finished circuit form

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Signed-off-by: Ava Hahn <ava@aidanis.online>
This commit is contained in:
Ava Hahn 2023-03-03 14:29:53 -08:00
parent c235f9727f
commit 4b587f11ab
Signed by untrusted user who does not match committer: affine
GPG key ID: 3A4645B8CF806069
7 changed files with 144 additions and 53 deletions
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18
src/stl/boolean.rs
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@ -65,28 +65,32 @@ pub fn bool_not_callback(ast: &Seg, _syms: &mut SymTable) -> Result<Ctr, String>
pub fn bool_iseq_callback(ast: &Seg, _syms: &mut SymTable) -> Result<Ctr, String> {
let head_ctr_ref = &*ast.car;
Ok(Ctr::Bool(ast.circuit(&mut |arg: &Ctr| -> bool {arg == head_ctr_ref})))
Ok(Ctr::Bool(
ast.circuit(&mut |arg: &Ctr| -> bool { arg == head_ctr_ref }),
))
}
pub fn bool_toggle_callback(ast: &Seg, syms: &mut SymTable) -> Result<Ctr, String> {
let var_name: String;
if let Ctr::Symbol(ref s) = *ast.car {
var_name = s.clone();
if let Ctr::Symbol(ref s) = *ast.car {
var_name = s.clone();
} else {
return Err("argument to toggle should be a symbol".to_string())
return Err("argument to toggle should be a symbol".to_string());
}
let mut sym = syms.remove(&var_name).expect(&format!("symbol {var_name} is not defined"));
let mut sym = syms
.remove(&var_name)
.expect(&format!("symbol {var_name} is not defined"));
if let ValueType::VarForm(ref var) = sym.value {
if let Ctr::Bool(ref b) = **var {
sym.value = ValueType::VarForm(Box::new(Ctr::Bool(!b)));
} else {
syms.insert(var_name, sym);
return Err("can only toggle a boolean".to_string())
return Err("can only toggle a boolean".to_string());
}
} else {
syms.insert(var_name, sym);
return Err("cannot toggle a function".to_string())
return Err("cannot toggle a function".to_string());
}
syms.insert(var_name, sym);