Match implemented. Not tested yet.

grammar/src/expressions.grm

@@ -103,8 +103,9 @@ literalConstant
   : StringWithTemplates
   : NoEscapeString
   : IntegerLiteral
-  : HexadecimalLiteral
+  : LongLiteral
   : CharacterLiteral
+  : FloatLiteral
   : "null"
   ;
 

grammar/src/lexical.grm

@@ -62,6 +62,7 @@ match
 out
 ref
 try
+case
 
 Soft:
 wraps -- in a class header

grammar/src/match.grm

@@ -1,14 +1,13 @@
 matchEntry
-  : attributes "case" pattern ("if" "(" expression ")")? "=>" expression // TODO: Consider other options than "=>"
+  : attributes "case" pattern ("if" "(" expression ")")? "=>" expression SEMI? // TODO: Consider other options than "=>"
   ;
 
 pattern
   : constantPattern // literal
-  : variablePattern // variable from the context
+  : SimpleName // variable from the context
   : tuplePattern
   : bindingPattern // we allow non-linear patterns
   : decomposerPattern // labeled components are allowed
-  : arrowPattern
   ;
 
 constantPattern
@@ -27,7 +26,3 @@ bindingPattern
 decomposerPattern
   : userType tuplePattern?
   ;
-
-arrowPattern
-  : pattern "->" pattern
-  ;