Fix constant_expression_ternary priority #30

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## [Unreleased](https://github.com/dalance/sv-parser/compare/v0.10.5...Unreleased) - ReleaseDate
 
+* [Fixed] constant_expression_ternary priority [#30](https://github.com/dalance/sv-parser/issues/30)
+
 ## [v0.10.5](https://github.com/dalance/sv-parser/compare/v0.10.4...v0.10.5) - 2021-01-19
 
 * [Fixed] missing comment after macro name [#29](https://github.com/dalance/sv-parser/issues/29)

sv-parser-parser/src/expressions/expressions.rs

@@ -78,8 +78,8 @@ pub(crate) fn expression_or_cond_pattern_ternary(
 #[packrat_parser]
 pub(crate) fn constant_expression(s: Span) -> IResult<Span, ConstantExpression> {
     alt((
-        constant_expression_binary,
         constant_expression_ternary,
+        constant_expression_binary,
         constant_expression_unary,
         map(constant_primary, |x| {
             ConstantExpression::ConstantPrimary(Box::new(x))

sv-parser-parser/src/tests.rs

@@ -457,6 +457,11 @@ mod unit {
                 `end_keywords"##,
             Ok((_, _))
         );
+        test!(
+            source_text,
+            r##"module a; localparam a = (A == 1) ? 1 - 1 : (A == 1) ? 1 - 1 : 1 - 1; endmodule"##,
+            Ok((_, _))
+        );
     }
 }
 
@@ -15930,7 +15935,7 @@ mod error {
 fn debug() {
     test!(
         source_text,
-        r##"module a; always begin a = b.c'(0); end endmodule"##,
+        r##"module a; localparam a = (A == 1) ? 1 - 1 : (A == 1) ? 1 - 1 : 1 - 1; endmodule"##,
         Ok((_, _))
     );
     nom_tracable::cumulative_histogram();