WIP: refactor(wgsl-in): extract Lexer::new's ignore_doc_comments arg. into new struct LexerConfig

TODO: document
TODO: `CHANGELOG`

Author: ErichDonGubler

naga/src/front/wgsl/parse/lexer.rs

@@ -243,6 +243,14 @@ fn is_word_part(c: char) -> bool {
     unicode_ident::is_xid_continue(c)
 }
 
+// TODO: document
+#[derive(Clone, Eq, PartialEq)]
+pub struct LexerConfig {
+    /// Whether or not to ignore doc comments.
+    /// If `true`, doc comments are treated as [`Token::Trivia`].
+    ignore_doc_comments: bool,
+}
+
 #[derive(Clone)]
 pub(in crate::front::wgsl) struct Lexer<'a> {
     /// The remaining unconsumed input.
@@ -262,15 +270,17 @@ pub(in crate::front::wgsl) struct Lexer<'a> {
     /// statements.
     last_end_offset: usize,
 
-    /// Whether or not to ignore doc comments.
-    /// If `true`, doc comments are treated as [`Token::Trivia`].
+    /// See [`LexerConfig::ignore_doc_comments`].
     ignore_doc_comments: bool,
 
     pub(in crate::front::wgsl) enable_extensions: EnableExtensions,
 }
 
 impl<'a> Lexer<'a> {
-    pub(in crate::front::wgsl) const fn new(input: &'a str, ignore_doc_comments: bool) -> Self {
+    pub(in crate::front::wgsl) const fn new(input: &'a str, config: LexerConfig) -> Self {
+        let LexerConfig {
+            ignore_doc_comments,
+        } = config;
         Lexer {
             input,
             source: input,