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to_repl() doesn't need symbol table handle

This commit is contained in:
greg 2019-11-07 02:42:17 -08:00
parent 4c718ed977
commit b967fa1911
1 changed files with 9 additions and 14 deletions
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23
schala-lang/language/src/eval.rs
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@ -69,12 +69,12 @@ fn paren_wrapped_vec(terms: impl Iterator<Item=String>) -> String {
impl Node {
fn to_repl(&self, symbol_table: &SymbolTable) -> String {
fn to_repl(&self) -> String {
match self {
Node::Expr(e) => e.to_repl(symbol_table),
Node::Expr(e) => e.to_repl(),
Node::PrimObject { name, items, .. } if items.len() == 0 => format!("{}", name),
Node::PrimObject { name, items, .. } => format!("{}{}", name, paren_wrapped_vec(items.iter().map(|x| x.to_repl(symbol_table)))),
Node::PrimTuple { items } => format!("{}", paren_wrapped_vec(items.iter().map(|x| x.to_repl(symbol_table)))),
Node::PrimObject { name, items, .. } => format!("{}{}", name, paren_wrapped_vec(items.iter().map(|x| x.to_repl()))),
Node::PrimTuple { items } => format!("{}", paren_wrapped_vec(items.iter().map(|x| x.to_repl()))),
}
}
fn is_true(&self) -> bool {
@ -99,12 +99,10 @@ impl Expr {
fn to_node(self) -> Node {
Node::Expr(self)
}
fn to_repl(&self, symbol_table: &SymbolTable) -> String {
fn to_repl(&self) -> String {
use self::Lit::*;
use self::Func::*;
let _ = symbol_table;
match self {
Expr::Lit(ref l) => match l {
Nat(n) => format!("{}", n),
@ -121,7 +119,7 @@ impl Expr {
Expr::Constructor { type_name, arity, .. } => {
format!("<constructor for `{}` arity {}>", type_name, arity)
},
Expr::Tuple(exprs) => paren_wrapped_vec(exprs.iter().map(|x| x.to_repl(symbol_table))),
Expr::Tuple(exprs) => paren_wrapped_vec(exprs.iter().map(|x| x.to_repl())),
_ => format!("{:?}", self),
}
}
@ -156,8 +154,7 @@ impl<'a> State<'a> {
for statement in ast.0 {
match self.statement(statement) {
Ok(Some(ref output)) if repl => {
let ref symbol_table = self.symbol_table_handle.borrow();
acc.push(Ok(output.to_repl(symbol_table)))
acc.push(Ok(output.to_repl()))
},
Ok(_) => (),
Err(error) => {
@ -342,13 +339,11 @@ impl<'a> State<'a> {
/* builtin functions */
(IOPrint, &[ref anything]) => {
let ref symbol_table = self.symbol_table_handle.borrow();
print!("{}", anything.to_repl(symbol_table));
print!("{}", anything.to_repl());
Expr::Unit.to_node()
},
(IOPrintLn, &[ref anything]) => {
let ref symbol_table = self.symbol_table_handle.borrow();
println!("{}", anything.to_repl(symbol_table));
println!("{}", anything.to_repl());
Expr::Unit.to_node()
},
(IOGetLine, &[]) => {