Rust: fix codegeneration for AsmOptions

Author: aibaars

rust/ast-generator/rust.ungram

@@ -414,7 +414,7 @@ AsmClobberAbi = 'clobber_abi' '(' ('@string' (',' '@string')* ','?) ')'
 // option := "pure" / "nomem" / "readonly" / "preserves_flags" / "noreturn" / "nostack" / "att_syntax" / "raw"
 AsmOption = 'pure' | 'nomem' | 'readonly' | 'preserves_flags' | 'noreturn' | 'nostack' | 'att_syntax' | 'raw' | 'may_unwind'
 // options := "options(" option *("," option) [","] ")"
-AsmOptions = 'options' '(' AsmOption *(',' AsmOption) ','? ')'
+AsmOptions = 'options' '(' (AsmOption (',' AsmOption)* ','?) ')'
 AsmLabel = 'label' BlockExpr
 AsmSym = 'sym' Path
 AsmConst = 'const' Expr

rust/ast-generator/src/main.rs

@@ -21,6 +21,7 @@ fn class_name(type_name: &str) -> String {
         "Fn" => "Function".to_owned(),
         "Literal" => "LiteralExpr".to_owned(),
         "ArrayExpr" => "ArrayExprInternal".to_owned(),
+        "AsmOptions" => "AsmOptionsList".to_owned(),
         _ if type_name.ends_with("Type") => format!("{}Repr", type_name),
         _ => type_name.to_owned(),
     }