Rename autochomp to autonibble.

1 files changed, 0 insertions, 484 deletions

diff --git a/autochomp/src/lib.rs b/autochomp/src/lib.rs
deleted file mode 100644
index 2fed0f0..0000000
--- a/autochomp/src/lib.rs
+++ /dev/null
@@ -1,484 +0,0 @@
-use std::{convert::TryInto, mem};
-
-use chomp::{
-    chomp::{
-        ast::{self, Alt, Call, Cat, Fix, Lambda, Let, Literal, NamedExpression, Variable},
-        name::{Content, Name},
-    },
-    nibble::convert::{Context, Convert, ConvertError},
-};
-use chomp_macro::nibble;
-use proc_macro2::Span;
-
-nibble! {
-    let bot = !(/rec/ "a" . rec);
-    let zero = /zero suc/ zero;
-    let suc n = /zero suc/ suc (n zero suc);
-
-    let opt  some = _ : None | some;
-    let plus iter = !(/plus/ iter . (opt plus));
-    let star iter = opt (plus iter);
-
-    let up_to x n = n bot (/rec/ x . opt rec);
-
-    let Pattern_Whitespace = "\t"|"\n"|"\x0B"|"\x0c"|"\r"|" "|"\u{85}"|"\u{200e}"|"\u{200f}"|"\u{2028}"|"\u{2029}";
-
-    let oct_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" ;
-    let digit     = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9";
-    let hex_digit = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" |
-                    "a" | "b" | "c" | "d" | "e" | "f" |
-                    "A" | "B" | "C" | "D" | "E" | "F" ;
-
-    let XID_Start =
-        "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" |
-        "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" |
-        "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" |
-        "y" | "z" |
-        "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" |
-        "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" |
-        "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" |
-        "Y" | "Z" ;
-    let XID_Continue =
-        XID_Start | "_" | "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" ;
-
-    let literal_char =
-        (" " | "!"       | "#" | "$" | "%" | "&" | "'" |
-         "(" | ")" | "*" | "+" | "," | "-" | "." | "/" |
-         "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" |
-         "8" | "9" | ":" | ";" | "<" | "=" | ">" | "?" |
-         "@" | "A" | "B" | "C" | "D" | "E" | "F" | "G" |
-         "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" |
-         "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" |
-         "X" | "Y" | "Z" | "["       | "]" | "^" | "_" |
-         "`" | "a" | "b" | "c" | "d" | "e" | "f" | "g" |
-         "h" | "i" | "j" | "k" | "l" | "m" | "n" | "o" |
-         "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" |
-         "x" | "y" | "z" | "{" | "|" | "}" | "~") : Literal |
-        "\\" . (
-            ("\"" | "'" | "n" | "r" | "t" | "\\" | "0") : Ascii |
-            "x"  . oct_digit . hex_digit : Oct |
-            "u{" . up_to hex_digit (suc (suc (suc (suc (suc (suc zero)))))) . "}" : Unicode
-        ) : Escape ;
-
-    let ws = plus Pattern_Whitespace;
-    let ows = opt ws;
-
-    let list inner = !(/list/ inner . opt (ws . opt list));
-    let separated inner sep = !(/separated/ inner . opt (sep . ows . separated));
-
-    let epsilon = "_";
-    let ident = XID_Start . star XID_Continue;
-    let literal = "\"" . (plus literal_char : Contents) . "\"";
-    let fix term = "!" . ows . term;
-    let parens expr = "(" . ows . expr . ")";
-
-    let names = list ident;
-
-    let term expr = !(/term/
-          epsilon : Epsilon
-        | literal : Literal
-        | parens expr : Parens
-        | fix term : Fix
-        | ident : Variable
-        );
-
-    let label = ":" . ows . ident . ows;
-
-    let call   expr = list (term expr);
-    let cat    expr = separated (call expr) ".";
-    let alt    expr = separated (cat expr . opt label : Labelled) "|";
-    let lambda expr = "/" . ows . names . "/" . ows . alt expr;
-    let expr = !(/expr/ alt expr | lambda expr);
-    let goal = "match" . ws . expr . ";" . ows;
-    let let stmt = "let" . ws . names . "=" . ows . expr . ";" . ows . stmt;
-    let stmt = !(/stmt/ let stmt | goal);
-    match !(/skip/ Pattern_Whitespace . skip | stmt);
-}
-
-impl Convert for Ast {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        let mut inner = self;
-
-        while let Ast::Branch1(cat) = inner {
-            inner = *cat.skip1;
-        }
-
-        match inner {
-            Ast::Branch1(_) => unreachable!(),
-            Ast::Stmt1(stmt) => stmt.convert(context),
-        }
-    }
-}
-
-impl Convert for Stmt1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        match self {
-            Stmt1::Goal1(goal) => goal.expr1.convert(context),
-            Stmt1::Let1(stmt) => {
-                let mut names = stmt.names1.into_iter().peekable();
-                let name = Name::new_let(names.next().unwrap());
-                let bound = if names.peek().is_none() {
-                    stmt.expr1.convert(context)?
-                } else {
-                    let args: Vec<Name> = names.map(Name::new_variable).collect();
-                    let expr = stmt.expr1;
-                    let inner = context.with_variables(args.clone(), |ctx| expr.convert(ctx))?;
-                    NamedExpression {
-                        name: None,
-                        expr: Lambda {
-                            args,
-                            inner: Box::new(inner),
-                        }
-                        .into(),
-                        span: Span::call_site(),
-                    }
-                };
-                context.push_variable(name.clone());
-                let body = stmt.stmt1.convert(context)?;
-                Ok(NamedExpression {
-                    name: None,
-                    expr: Let {
-                        name: name.clone(),
-                        bound: Box::new(NamedExpression {
-                            name: Some(name),
-                            ..bound
-                        }),
-                        body: Box::new(body),
-                    }
-                    .into(),
-                    span: Span::call_site(),
-                })
-            }
-        }
-    }
-}
-
-impl Convert for Expr1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        match self {
-            Expr1::Alt1(alt) => alt.convert(context),
-            Expr1::Lambda1(lambda) => lambda.convert(context),
-        }
-    }
-}
-
-impl Convert for Lambda1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        let args: Vec<Name> = self.names1.into_iter().map(Name::new_variable).collect();
-        let alt = self.alt1;
-        let inner = context.with_variables(args.clone(), |ctx| alt.convert(ctx))?;
-        Ok(NamedExpression {
-            name: None,
-            expr: Lambda {
-                args,
-                inner: Box::new(inner),
-            }
-            .into(),
-            span: Span::call_site(),
-        })
-    }
-}
-
-impl Convert for Alt1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        let first = self.labelled1.convert(context)?;
-        let mut rest = self
-            .opt1
-            .into_iter()
-            .map(|inner| inner.convert(context).map(|e| (Span::call_site(), e)))
-            .peekable();
-        if rest.peek().is_some() {
-            Ok(NamedExpression {
-                name: None,
-                expr: Alt {
-                    first: Box::new(first),
-                    rest: rest.collect::<Result<_, _>>()?,
-                }
-                .into(),
-                span: Span::call_site(),
-            })
-        } else {
-            Ok(first)
-        }
-    }
-}
-
-impl Convert for Labelled1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        let named = self.cat1.convert(context)?;
-        let label = match self.opt1 {
-            Opt15::None1(_) => None,
-            Opt15::Label1(l) => Some(Name::new_label(l.ident1)),
-        };
-        let name = Name::merge(label, named.name);
-        Ok(NamedExpression {
-            name,
-            expr: named.expr,
-            span: named.span,
-        })
-    }
-}
-
-impl Convert for Cat1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        let first = self.call1.convert(context)?;
-        let mut rest = self
-            .opt1
-            .into_iter()
-            .map(|inner| inner.convert(context).map(|e| (Span::call_site(), e)))
-            .peekable();
-        if rest.peek().is_some() {
-            Ok(NamedExpression {
-                name: None,
-                expr: Cat {
-                    first: Box::new(first),
-                    rest: rest.collect::<Result<_, _>>()?,
-                }
-                .into(),
-                span: Span::call_site(),
-            })
-        } else {
-            Ok(first)
-        }
-    }
-}
-
-impl Convert for Call1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        let first = self.term1.convert(context)?;
-        let mut rest = self
-            .opt1
-            .into_iter()
-            .map(|inner| inner.convert(context))
-            .peekable();
-        if rest.peek().is_some() {
-            Ok(NamedExpression {
-                name: None,
-                expr: Call {
-                    on: Box::new(first),
-                    args: rest.collect::<Result<_, _>>()?,
-                }
-                .into(),
-                span: Span::call_site(),
-            })
-        } else {
-            Ok(first)
-        }
-    }
-}
-
-impl Convert for Term1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        match self {
-            Term1::Epsilon1(_) => Ok(NamedExpression {
-                name: None,
-                expr: ast::Epsilon.into(),
-                span: Span::call_site(),
-            }),
-            Term1::Literal1(literal) => Ok(NamedExpression {
-                name: None,
-                expr: literal.contents1.into_iter().collect::<Literal>().into(),
-                span: Span::call_site(),
-            }),
-            Term1::Parens1(parens) => parens.expr1.convert(context),
-            Term1::Fix1(fix) => fix.convert(context),
-            Term1::Variable1(var) => var.convert(context),
-        }
-    }
-}
-
-impl Convert for Fix1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        let inner = self.term1.convert(context)?;
-        Ok(NamedExpression {
-            name: None,
-            expr: Fix {
-                inner: Box::new(inner),
-            }
-            .into(),
-            span: Span::call_site(),
-        })
-    }
-}
-
-impl Convert for Variable1 {
-    fn convert(self, context: &mut Context) -> Result<NamedExpression, ConvertError> {
-        let name = Name::new_variable(self);
-        let index = context
-            .lookup(&name)
-            .ok_or_else(|| ConvertError::UndeclaredName(Box::new(name.clone())))?;
-
-        Ok(NamedExpression {
-            name: Some(name),
-            expr: Variable { index }.into(),
-            span: Span::call_site(),
-        })
-    }
-}
-
-impl IntoIterator for Names1 {
-    type Item = Ident1;
-
-    type IntoIter = Opt3;
-
-    fn into_iter(self) -> Self::IntoIter {
-        Opt3::List1(Box::new(self))
-    }
-}
-
-impl Iterator for Opt3 {
-    type Item = Ident1;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        let orig = mem::replace(self, Opt3::None1(Epsilon));
-        match orig {
-            Opt3::None1(_) => None,
-            Opt3::List1(names) => {
-                if let Opt4::Some1(some) = names.opt1 {
-                    *self = some.opt1;
-                }
-                Some(names.ident1)
-            }
-        }
-    }
-}
-
-impl Iterator for Opt16 {
-    type Item = Labelled1;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        let orig = mem::replace(self, Opt16::None1(Epsilon));
-        match orig {
-            Opt16::None1(_) => None,
-            Opt16::Some1(some) => {
-                *self = some.separated1.opt1;
-                Some(some.separated1.labelled1)
-            }
-        }
-    }
-}
-
-impl Iterator for Opt14 {
-    type Item = Call1;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        let orig = mem::replace(self, Opt14::None1(Epsilon));
-        match orig {
-            Opt14::None1(_) => None,
-            Opt14::Some1(some) => {
-                *self = some.separated1.opt1;
-                Some(some.separated1.call1)
-            }
-        }
-    }
-}
-
-impl Iterator for Opt13 {
-    type Item = Term1;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        let orig = mem::replace(self, Opt13::None1(Epsilon));
-        match orig {
-            Opt13::None1(_) => None,
-            Opt13::Some1(some) => match some.opt1 {
-                Opt12::None1(_) => None,
-                Opt12::List1(call) => {
-                    *self = call.opt1;
-                    Some(call.term1)
-                }
-            },
-        }
-    }
-}
-
-impl IntoIterator for Contents1 {
-    type Item = char;
-
-    type IntoIter = Opt11;
-
-    fn into_iter(self) -> Self::IntoIter {
-        Opt11::Plus1(Box::new(self))
-    }
-}
-
-impl Iterator for Opt11 {
-    type Item = char;
-
-    fn next(&mut self) -> Option<Self::Item> {
-        let orig = mem::replace(self, Opt11::None1(Epsilon));
-        match orig {
-            Opt11::None1(_) => None,
-            Opt11::Plus1(contents) => {
-                *self = contents.opt1;
-                Some(contents.literal_char1.into())
-            }
-        }
-    }
-}
-
-impl From<LiteralChar1> for char {
-    fn from(c: LiteralChar1) -> Self {
-        match c {
-            LiteralChar1::Literal1(c) => c.into(),
-            LiteralChar1::Escape1(e) => e.into(),
-        }
-    }
-}
-
-impl From<Escape1> for char {
-    fn from(e: Escape1) -> Self {
-        match e.1 {
-            Alt171::Ascii1(a) => a.escape(),
-            Alt171::Oct1(o) => o.into(),
-            Alt171::Unicode1(u) => u.into(),
-        }
-    }
-}
-
-impl Ascii1 {
-    fn escape(self) -> char {
-        match self {
-            Ascii1::Branch1(_) => '\"',
-            Ascii1::Branch2(_) => '\'',
-            Ascii1::Branch3(_) => '\n',
-            Ascii1::Branch4(_) => '\r',
-            Ascii1::Branch5(_) => '\t',
-            Ascii1::Branch6(_) => '\\',
-            Ascii1::Branch7(_) => '\0',
-        }
-    }
-}
-
-impl From<Oct1> for char {
-    fn from(o: Oct1) -> Self {
-        let s: String = [char::from(o.oct_digit1), char::from(o.hex_digit1)]
-            .iter()
-            .collect();
-        u32::from_str_radix(&s, 16).unwrap().try_into().unwrap()
-    }
-}
-
-impl From<Unicode1> for char {
-    fn from(u: Unicode1) -> Self {
-        let s = u.up_to1.to_string();
-        u32::from_str_radix(&s, 16).unwrap().try_into().unwrap()
-    }
-}
-
-impl From<Variable1> for Content {
-    fn from(i: Variable1) -> Self {
-        i.to_string().into()
-    }
-}
-
-impl From<Ident2> for Content {
-    fn from(i: Ident2) -> Self {
-        i.to_string().into()
-    }
-}
-
-impl From<Ident1> for Content {
-    fn from(i: Ident1) -> Self {
-        i.to_string().into()
-    }
-}