Fix CI

Author: rcosta358

liquidjava-verifier/src/main/java/liquidjava/api/CommandLineArgs.java

@@ -13,7 +13,7 @@
 
 @Command(name = "liquidjava", mixinStandardHelpOptions = false, customSynopsis = "./liquidjava <...paths> <options>")
 public class CommandLineArgs {
-    @Option(names = {"-h", "--help"}, usageHelp = true, description = "Display this help message")
+    @Option(names = { "-h", "--help" }, usageHelp = true, description = "Display this help message")
     public boolean help;
 
     @Option(names = { "-v", "--version" }, versionHelp = true, description = "Display the version of LiquidJava")

liquidjava-verifier/src/main/java/liquidjava/rj_language/ast/formatter/ExpressionFormatter.java

@@ -16,6 +16,7 @@
 import liquidjava.rj_language.ast.LiteralLong;
 import liquidjava.rj_language.ast.LiteralReal;
 import liquidjava.rj_language.ast.LiteralString;
+import liquidjava.rj_language.ast.Enum;
 import liquidjava.rj_language.ast.UnaryExpression;
 import liquidjava.rj_language.ast.Var;
 import liquidjava.rj_language.visitors.ExpressionVisitor;
@@ -146,6 +147,11 @@ public String visitUnaryExpression(UnaryExpression exp) {
         return exp.getOp() + formatOperand(exp, exp.getExpression());
     }
 
+    @Override
+    public String visitEnum(Enum en) {
+        return en.toString();
+    }
+
     @Override
     public String visitVar(Var var) {
         return VariableFormatter.format(var.getName());

liquidjava-verifier/src/test/java/liquidjava/rj_language/ast/ExpressionFormatterTest.java

@@ -20,6 +20,11 @@ void formatsInternalVariables() {
         assertEquals("this#Class", new Var("this#Class").toDisplayString());
     }
 
+    @Test
+    void formatsEnums() {
+        assertEquals("Color.RED", new Enum("Color", "RED").toDisplayString());
+    }
+
     @Test
     void formatsUnaryCompounds() {
         Expression comparison = new BinaryExpression(new Var("x"), ">", new LiteralInt(0));