wren/compiler: Allow multiline empty parameter lists and calls. (#925)

src/vm/wren_compiler.c

@@ -1969,6 +1969,9 @@ static void methodCall(Compiler* compiler, Code instruction,
   {
     called.type = SIG_METHOD;
 
+    // Allow new line before an empty argument list
+    ignoreNewlines(compiler);
+
     // Allow empty an argument list.
     if (peek(compiler) != TOKEN_RIGHT_PAREN)
     {
@@ -2640,6 +2643,9 @@ static void parameterList(Compiler* compiler, Signature* signature)
   
   signature->type = SIG_METHOD;
   
+  // Allow new line before an empty argument list
+  ignoreNewlines(compiler);
+
   // Allow an empty parameter list.
   if (match(compiler, TOKEN_RIGHT_PAREN)) return;
 

test/language/method/no_parameters_new_line.wren

@@ -0,0 +1,19 @@
+
+class Foo {
+  static call(
+        ) {
+    System.print("Success") // expect: Success
+  }
+
+  construct new () {}
+
+  call(
+        ) {
+    System.print("Success") // expect: Success
+  }
+}
+
+Foo.call(
+)
+Foo.new().call(
+)