cargo fmt

src/frontend.rs

@@ -8,8 +8,8 @@ pub use callable::Callable;
 pub use types::{Type, TypeStruct};
 
 mod callable;
-pub mod types;
 pub mod typed_ir;
+pub mod types;
 
 /// lots of code is still not width-aware, this constant keeps track of that
 const TODO_WIDTH: u32 = 1;
@@ -316,11 +316,7 @@ pub fn lower_module(pa_module: parser::Module) -> Result<String, CompileError> {
             parser::PortDirection::Input => rtlil::PortOption::Input(idx as i32 + 1),
             parser::PortDirection::Output => rtlil::PortOption::Output(idx as i32 + 1),
         };
-        let wire = rtlil::Wire::new(
+        let wire = rtlil::Wire::new(sig.il_id.to_owned(), TODO_WIDTH, Some(dir_option));
-            sig.il_id.to_owned(),
-            TODO_WIDTH,
-            Some(dir_option),
-        );
         ir_module.add_wire(wire);
     }
     for item in pa_module.items {

src/frontend/typed_ir.rs

@@ -9,8 +9,7 @@ struct Element<'ty> {
 
 struct Signal<'ty> {
     pub id: u32,
-    pub typ: Type<'ty>
+    pub typ: Type<'ty>,
 }
 
-struct Expression {
+struct Expression {}
-}

src/main.rs

@@ -8,9 +8,8 @@ use std::fs::File;
 use std::io::prelude::*;
 use std::path::PathBuf;
 
-use structopt::StructOpt;
-use nom_greedyerror::convert_error;
 use ariadne::Source;
+use structopt::StructOpt;
 
 #[derive(Debug, StructOpt)]
 #[structopt(name = "example", about = "An example of StructOpt usage.")]
@@ -45,7 +44,12 @@ fn main() {
     let parsed = parser::parse(input);
     match parsed {
         Err(nom::Err::Error(err) | nom::Err::Failure(err)) => {
-            parser::error::convert_error(input, err).eprint(Source::from(input.fragment())).unwrap();
+            if opt.debug {
+                println!("{err:#?}");
+            }
+            parser::error::convert_error(input, err)
+                .eprint(Source::from(input.fragment()))
+                .unwrap();
         }
         Err(_) => (unreachable!()),
         Ok(res) => {

src/parser.rs

@@ -1,14 +1,14 @@
+pub mod error;
+mod literals;
 pub mod module;
 pub mod proc;
-mod literals;
-pub mod error;
 
 use nom::{
     branch::alt,
     bytes::complete::tag,
     character::complete::{alpha1, alphanumeric1, char, multispace0, u64 as decimal},
     combinator::{map, opt, recognize},
-    error::{ParseError, ErrorKind},
+    error::{ErrorKind, ParseError},
     multi::{many0, separated_list0},
     sequence::{delimited, pair, preceded, separated_pair, terminated, tuple},
 };
@@ -22,8 +22,8 @@ pub type IErr<I> = GreedyError<I, ErrorKind>;
 // custom IResult type for VerboseError
 pub type IResult<I, O, E = IErr<I>> = nom::IResult<I, O, E>;
 
-use literals::hexadecimal;
 pub use crate::parser::module::{module, Module, ModuleItem, PortDirection};
+use literals::hexadecimal;
 
 fn ws0<'a, F: 'a, O, E: ParseError<Span<'a>>>(
     inner: F,
@@ -46,14 +46,12 @@ fn typename(input: Span) -> IResult<Span, TypeName> {
     map(
         tuple((
             identifier,
-            opt(delimited(char('<'), ws0(expression), char('>')))
+            opt(delimited(char('<'), ws0(expression), char('>'))),
         )),
-        |(ident, _)| {
+        |(ident, _)| TypeName {
-            TypeName {
             name: ident,
-                generics: ()
+            generics: (),
-            }
+        },
-        }
     )(input)
 }
 

src/parser/error.rs

@@ -1,36 +1,29 @@
 use std::fmt::Debug;
 use std::ops::Deref;
 
-use super::{Span, IErr};
+use super::{IErr, Span};
+use ariadne::{Label, Report, ReportKind};
 use nom::error::ErrorKind;
-use nom_greedyerror::{Position, GreedyErrorKind};
+use nom_greedyerror::{GreedyErrorKind, Position};
-use ariadne::{Report, ReportKind, Label};
 
 fn span_to_range(input: Span) -> std::ops::Range<usize> {
     input.position()..(input.position() + input.len())
 }
 
-pub fn convert_error(
+pub fn convert_error(input: Span, e: IErr<Span>) -> Report {
-    input: Span, 
-    e: IErr<Span>,
-) -> Report {
     let mut labels = Vec::new();
     for err in e.errors {
         let label = match err.1 {
             GreedyErrorKind::Context(ctx) => {
-                Label::new(span_to_range(err.0))
+                Label::new(span_to_range(err.0)).with_message(format!("in {ctx}"))
-                    .with_message(format!("in {ctx}"))
+            }
-            },
+            GreedyErrorKind::Char(c) => Label::new(err.0.position()..err.0.position())
-            GreedyErrorKind::Char(c) => { 
+                .with_message(format!("expected {c:?}")),
-                Label::new(err.0.position()..err.0.position())
-                    .with_message(format!("expected {c:?}"))
-            },
             GreedyErrorKind::Nom(_) => todo!(),
         };
         labels.push(label);
     }
-    let mut rep = Report::build(ReportKind::Error, (), 0)
+    let mut rep = Report::build(ReportKind::Error, (), 0).with_message("Parse Error");
-        .with_message("Parse Error");
     for lbl in labels {
         rep = rep.with_label(lbl)
     }

src/parser/literals.rs

@@ -17,7 +17,8 @@ pub fn hexadecimal(input: Span) -> IResult<Span, u64> {
             ))),
         ),
         |out: Span| {
-            u64::from_str_radix(&str::replace(out.fragment(), "_", ""), 16).expect("error parsing literal")
+            u64::from_str_radix(&str::replace(out.fragment(), "_", ""), 16)
+                .expect("error parsing literal")
         },
     )(input)
 }

src/parser/module.rs

@@ -5,13 +5,13 @@ use nom::{
     combinator::{consumed, map},
     error::context,
     multi::{many0, separated_list0},
-    sequence::{delimited, terminated, tuple, preceded},
+    sequence::{delimited, preceded, terminated, tuple},
 };
 
 use crate::parser::{
     assign_statement, declaration, identifier,
     proc::{proc_block, ProcBlock},
-    ws0, Assign, IResult, NetDecl, Span, typename
+    typename, ws0, Assign, IResult, NetDecl, Span,
 };
 
 #[derive(Debug)]
@@ -41,16 +41,11 @@ pub enum ModuleItem<'a> {
 }
 
 fn port_decl(i: Span) -> IResult<Span, PortDecl> {
-    map(
+    map(consumed(declaration), |(pos, net)| PortDecl {
-        consumed(
-            declaration,
-        ),
-        |(pos, net)| PortDecl {
         pos,
         direction: PortDirection::Input,
         net,
-        },
+    })(i)
-    )(i)
 }
 
 fn inputs_list(input: Span) -> IResult<Span, Vec<PortDecl>> {
@@ -85,7 +80,11 @@ pub fn module(input: Span) -> IResult<Span, Module> {
                 ws0(identifier),
                 ws0(delimited(char('('), ws0(inputs_list), char(')'))),
                 ws0(preceded(tag("->"), ws0(typename))),
-                ws0(delimited(char('{'), ws0(many0(ws0(module_item))), char('}'))),
+                ws0(delimited(
+                    char('{'),
+                    ws0(many0(ws0(module_item))),
+                    char('}'),
+                )),
             )),
             |(_, name, inputs, ret, items)| Module {
                 name,