fix evaluation behavior mismatch between functions and lambdas
Signed-off-by: Ava Hahn <ava@sunnypup.io>
This commit is contained in:
parent
e0b837cb21
commit
398726568a
4 changed files with 41 additions and 13 deletions
28
src/sym.rs
28
src/sym.rs
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@ -143,15 +143,29 @@ impl SymTable {
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if let ValueType::VarForm(ref val) = symbol.value {
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match **val {
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Ctr::Lambda(ref l) if call_func => {
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call_lambda(
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return call_lambda(
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l,
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&Box::new(Ctr::Seg(args.clone())),
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self
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)
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},
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_ => Ok(val.clone()),
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Ctr::Symbol(ref s) if self.is_function_type(s).is_some()
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&& self.is_function_type(s).unwrap() => {
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symbol = match self.remove(s) {
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Some(sym) => sym,
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None => return Err(
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Traceback::new().with_trace(
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(name, format!("(references undefined symbol {})", s))
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.into())),
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};
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symbol.__generation -= 1;
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self.insert(symbol.name.clone(), symbol.clone());
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},
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_ => return Ok(val.clone()),
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}
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} else if call_func {
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}
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if call_func {
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symbol.call(args, self)
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} else {
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// its a function but call_func is off
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@ -161,10 +175,10 @@ impl SymTable {
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pub fn is_function_type(&self, name: &String) -> Option<bool> {
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if let ValueType::VarForm(ref val) = self.get(name)?.value {
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if let Ctr::Lambda(_) = **val {
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Some(true)
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} else {
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Some(false)
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match **val {
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Ctr::Lambda(_) => Some(true),
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Ctr::Symbol(ref n) => self.is_function_type(n),
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_ => Some(false),
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}
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} else {
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Some(true)
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