feat: support map literals

Fixes #69

Author: i582

src/main/gen/org/tonstudio/tact/lang/TactParser.java

@@ -578,6 +578,8 @@ MapType ::= 'map' '<' Type ',' Type '>' {
   ]
 }
 
+SetType ::= 'set' '<' Type '>' {pin=1}
+
 VarDefinition ::= identifier {
   pin=2
   methods=[getTypeInner getName getReference isReadonly]
@@ -588,6 +590,8 @@ DotExpression ::= DotPrimaryExpr RightHandExprs
 
 private DotPrimaryExpr ::=
     LiteralValueExpression
+  | MapLiteral
+  | SetLiteral
   | ReferenceExpression
   | InitOfExpr
   | CodeOfExpr
@@ -633,6 +637,14 @@ fake BinaryExpr ::= Expression+ {
 
 ParenthesesExpr ::= '(' Expression ')' {pin=3}
 
+MapLiteral ::= MapType '{' MapEntries? '}'
+private MapEntries ::= MapEntry (',' MapEntry)* ','?
+MapEntry ::= Expression ':' Expression
+
+SetLiteral ::= SetType '{' SetEntries? '}'
+private SetEntries ::= SetEntry (',' SetEntry)* ','?
+SetEntry ::= Expression
+
 WhileStatement ::= while Expression Block {pin=1}
 RepeatStatement ::= repeat Expression Block {pin=1}
 UntilStatement ::= do Block until Expression semi {pin=1}

src/main/gen/org/tonstudio/tact/lang/TactTypes.java

@@ -125,6 +125,10 @@ object TactTypeInferer {
             return TactPrimitiveTypeEx.CELL
         }
 
+        if (expr is TactMapLiteral) {
+            return expr.mapType.toEx()
+        }
+
         return null
     }
 

src/main/gen/org/tonstudio/tact/lang/psi/TactVisitor.java

@@ -12,6 +12,7 @@ object TactElementTypeFactory {
             put("TUPLE_TYPE", TactTupleTypeImpl::class.java)
             put("BOUNCED_TYPE", TactBouncedTypeImpl::class.java)
             put("MAP_TYPE", TactMapTypeImpl::class.java)
+            put("SET_TYPE", TactSetTypeImpl::class.java)
             put("STRUCT_TYPE", TactStructTypeImpl::class.java)
             put("TYPE", TactTypeImpl::class.java)
             put("CONTRACT_TYPE", TactContractTypeImpl::class.java)