syntax,ssr: Implement statement parsing

Author: MarijnS95

crates/ssr/src/parsing.rs

@@ -78,6 +78,7 @@ impl ParsedRule {
         builder.try_add(ast::Item::parse(&raw_pattern), raw_template.map(ast::Item::parse));
         builder.try_add(ast::Path::parse(&raw_pattern), raw_template.map(ast::Path::parse));
         builder.try_add(ast::Pat::parse(&raw_pattern), raw_template.map(ast::Pat::parse));
+        builder.try_add(ast::Stmt::parse(&raw_pattern), raw_template.map(ast::Stmt::parse));
         builder.build()
     }
 }

crates/syntax/src/lib.rs

@@ -212,6 +212,13 @@ impl ast::Attr {
     }
 }
 
+impl ast::Stmt {
+    /// Returns `text`, parsed as statement, but only if it has no errors.
+    pub fn parse(text: &str) -> Result<Self, ()> {
+        parsing::parse_text_fragment(text, parser::FragmentKind::Statement)
+    }
+}
+
 /// Matches a `SyntaxNode` against an `ast` type.
 ///
 /// # Example: