'isFunctionLiteralWithoutDeclaredParameterTypes' added

such literals are analyzed at the end of inference without initial influence on the constraint system
2012-07-03 12:46:25 +04:00
parent f270f9e90a
commit e89a09f470
1 changed files with 11 additions and 0 deletions
@@ -339,4 +339,15 @@ public class JetPsiUtil {
        ASTNode callOperationNode = call.getCallOperationNode();
        return callOperationNode != null && callOperationNode.getElementType() == JetTokens.SAFE_ACCESS;
    }
+
+    public static boolean isFunctionLiteralWithoutDeclaredParameterTypes(JetExpression expression) {
+        if (!(expression instanceof JetFunctionLiteralExpression)) return false;
+        JetFunctionLiteralExpression functionLiteral = (JetFunctionLiteralExpression) expression;
+        for (JetParameter parameter : functionLiteral.getValueParameters()) {
+            if (parameter.getTypeReference() != null) {
+                return false;
+            }
+        }
+        return true;
+    }
 }