Upgrade syn to 2.0 (#499)

jplatte · web-flow · commit 9ef751bcd94d · 2023-08-31T09:25:56.000Z
diff --git a/html5ever/Cargo.toml b/html5ever/Cargo.toml
@@ -24,7 +24,7 @@ criterion = "0.3"
 
 [build-dependencies]
 quote = "1"
-syn = { version = "1", features = ["extra-traits", "full", "fold"] }
+syn = { version = "2", features = ["extra-traits", "full", "fold"] }
 proc-macro2 = "1"
 
 [[bench]]
diff --git a/html5ever/macros/match_token.rs b/html5ever/macros/match_token.rs
@@ -197,7 +197,7 @@ impl Parse for LHS {
             }
             Ok(LHS::Tags(tags))
         } else {
-            let p: syn::Pat = input.parse()?;
+            let p = input.call(syn::Pat::parse_single)?;
             Ok(LHS::Pattern(p))
         }
     }
@@ -423,7 +423,7 @@ impl Fold for MatchTokenParser {
                 if mac.path == parse_quote!(match_token) {
                     return syn::fold::fold_stmt(
                         self,
-                        syn::Stmt::Expr(expand_match_token(&mac.tokens)),
+                        syn::Stmt::Expr(expand_match_token(&mac.tokens), None),
                     );
                 }
             },

Original file line number	Diff line number	Diff line change
`@@ -197,7 +197,7 @@ impl Parse for LHS {`
`197`	`197`	`}`
`198`	`198`	`Ok(LHS::Tags(tags))`
`199`	`199`	`} else {`
`200`		`- let p: syn::Pat = input.parse()?;`
	`200`	`+ let p = input.call(syn::Pat::parse_single)?;`
`201`	`201`	`Ok(LHS::Pattern(p))`
`202`	`202`	`}`
`203`	`203`	`}`
`@@ -423,7 +423,7 @@ impl Fold for MatchTokenParser {`
`423`	`423`	`if mac.path == parse_quote!(match_token) {`
`424`	`424`	`return syn::fold::fold_stmt(`
`425`	`425`	`self,`
`426`		`- syn::Stmt::Expr(expand_match_token(&mac.tokens)),`
	`426`	`+ syn::Stmt::Expr(expand_match_token(&mac.tokens), None),`
`427`	`427`	`);`
`428`	`428`	`}`
`429`	`429`	`},`