refactor number and interpolation utils to separate file

src/utils/interpolation.rs

@@ -0,0 +1,25 @@
+use std::iter::Iterator;
+
+use codemap::Spanned;
+
+use peekmore::PeekMoreIterator;
+
+use crate::error::SassResult;
+use crate::selector::Selector;
+use crate::value::Value;
+use crate::{Scope, Token};
+
+use super::read_until_closing_curly_brace;
+
+pub(crate) fn parse_interpolation<I: Iterator<Item = Token>>(
+    toks: &mut PeekMoreIterator<I>,
+    scope: &Scope,
+    super_selector: &Selector,
+) -> SassResult<Spanned<Value>> {
+    let val = Value::from_vec(read_until_closing_curly_brace(toks), scope, super_selector)?;
+    toks.next();
+    Ok(Spanned {
+        node: val.node.eval(val.span)?.node.unquote(),
+        span: val.span,
+    })
+}

src/utils/mod.rs

@@ -1,82 +1,15 @@
-use std::iter::Iterator;
-
-use codemap::Spanned;
-
-use peekmore::PeekMoreIterator;
-
-use crate::error::SassResult;
-use crate::selector::Selector;
-use crate::value::Value;
-use crate::{Scope, Token};
-
 pub(crate) use chars::*;
 pub(crate) use comment_whitespace::*;
+pub(crate) use interpolation::*;
+pub(crate) use number::*;
 pub(crate) use read_until::*;
 pub(crate) use strings::*;
 pub(crate) use variables::*;
 
 mod chars;
 mod comment_whitespace;
+mod interpolation;
+mod number;
 mod read_until;
 mod strings;
 mod variables;
-
-pub(crate) fn parse_interpolation<I: Iterator<Item = Token>>(
-    toks: &mut PeekMoreIterator<I>,
-    scope: &Scope,
-    super_selector: &Selector,
-) -> SassResult<Spanned<Value>> {
-    let val = Value::from_vec(read_until_closing_curly_brace(toks), scope, super_selector)?;
-    toks.next();
-    Ok(Spanned {
-        node: val.node.eval(val.span)?.node.unquote(),
-        span: val.span,
-    })
-}
-
-pub(crate) fn eat_number<I: Iterator<Item = Token>>(
-    toks: &mut PeekMoreIterator<I>,
-) -> SassResult<Spanned<String>> {
-    let mut whole = String::new();
-    let mut span = if let Some(tok) = toks.peek() {
-        tok.pos()
-    } else {
-        todo!()
-    };
-    while let Some(c) = toks.peek() {
-        if !c.kind.is_numeric() {
-            break;
-        }
-        let tok = toks.next().unwrap();
-        span = span.merge(tok.pos());
-        whole.push(tok.kind);
-    }
-
-    if toks.peek().is_none() {
-        return Ok(Spanned { node: whole, span });
-    }
-
-    let mut dec = String::new();
-
-    let next_tok = toks.peek().unwrap().clone();
-
-    if next_tok.kind == '.' {
-        toks.next();
-        dec.push('.');
-        while let Some(c) = toks.peek() {
-            if !c.kind.is_numeric() {
-                break;
-            }
-            let tok = toks.next().unwrap();
-            span = span.merge(tok.pos());
-            dec.push(tok.kind);
-        }
-    }
-
-    if dec.len() == 1 {
-        return Err(("Expected digit.", next_tok.pos()).into());
-    }
-
-    whole.push_str(&dec);
-    Ok(Spanned { node: whole, span })
-}

src/utils/number.rs

@@ -0,0 +1,55 @@
+use std::iter::Iterator;
+
+use codemap::Spanned;
+
+use peekmore::PeekMoreIterator;
+
+use crate::error::SassResult;
+use crate::Token;
+
+pub(crate) fn eat_number<I: Iterator<Item = Token>>(
+    toks: &mut PeekMoreIterator<I>,
+) -> SassResult<Spanned<String>> {
+    let mut whole = String::new();
+    let mut span = if let Some(tok) = toks.peek() {
+        tok.pos()
+    } else {
+        todo!()
+    };
+    while let Some(c) = toks.peek() {
+        if !c.kind.is_numeric() {
+            break;
+        }
+        let tok = toks.next().unwrap();
+        span = span.merge(tok.pos());
+        whole.push(tok.kind);
+    }
+
+    if toks.peek().is_none() {
+        return Ok(Spanned { node: whole, span });
+    }
+
+    let mut dec = String::new();
+
+    let next_tok = toks.peek().unwrap().clone();
+
+    if next_tok.kind == '.' {
+        toks.next();
+        dec.push('.');
+        while let Some(c) = toks.peek() {
+            if !c.kind.is_numeric() {
+                break;
+            }
+            let tok = toks.next().unwrap();
+            span = span.merge(tok.pos());
+            dec.push(tok.kind);
+        }
+    }
+
+    if dec.len() == 1 {
+        return Err(("Expected digit.", next_tok.pos()).into());
+    }
+
+    whole.push_str(&dec);
+    Ok(Spanned { node: whole, span })
+}