Fix to not add extra spaces when formatting call (#6652)

public/kcl-samples/bench/bench-parts.kcl

@@ -126,7 +126,7 @@ fn armRestProfile(@plane, offset) {
 
 export fn armRest(@plane, offset) {
   path = armRestPath(  offsetPlane(plane, offset = offset))
-  profile = armRestProfile(  offsetPlane(-XZ, offset = 20), offset = -offset)
+  profile = armRestProfile(offsetPlane(-XZ, offset = 20), offset = -offset)
   sweep(profile, path = path)
   return 0
 }

rust/kcl-lib/src/unparser.rs

@@ -377,7 +377,7 @@ impl CallExpression {
 impl CallExpressionKw {
     fn recast_args(&self, options: &FormatOptions, indentation_level: usize, ctxt: ExprContext) -> Vec<String> {
         let mut arg_list = if let Some(first_arg) = &self.unlabeled {
-            vec![first_arg.recast(options, indentation_level, ctxt)]
+            vec![first_arg.recast(options, indentation_level, ctxt).trim().to_owned()]
         } else {
             Vec::with_capacity(self.arguments.len())
         };
@@ -2584,6 +2584,58 @@ sketch002 = startSketchOn({
         assert_eq!(actual, input);
     }
 
+    #[test]
+    fn unparse_call_inside_function_single_line() {
+        let input = r#"fn foo() {
+  toDegrees(atan(0.5), foo = 1)
+  return 0
+}
+"#;
+        let ast = crate::parsing::top_level_parse(input).unwrap();
+        let actual = ast.recast(&FormatOptions::new(), 0);
+        assert_eq!(actual, input);
+    }
+
+    #[test]
+    fn unparse_call_inside_function_args_multiple_lines() {
+        let input = r#"fn foo() {
+  toDegrees(
+    atan(0.5),
+    foo = 1,
+    bar = 2,
+    baz = 3,
+    qux = 4,
+  )
+  return 0
+}
+"#;
+        let ast = crate::parsing::top_level_parse(input).unwrap();
+        let actual = ast.recast(&FormatOptions::new(), 0);
+        assert_eq!(actual, input);
+    }
+
+    #[test]
+    fn unparse_call_inside_function_single_arg_multiple_lines() {
+        let input = r#"fn foo() {
+  toDegrees(
+    [
+      profile0,
+      profile1,
+      profile2,
+      profile3,
+      profile4,
+      profile5
+    ],
+    key = 1,
+  )
+  return 0
+}
+"#;
+        let ast = crate::parsing::top_level_parse(input).unwrap();
+        let actual = ast.recast(&FormatOptions::new(), 0);
+        assert_eq!(actual, input);
+    }
+
     #[test]
     fn recast_objects_with_comments() {
         use winnow::Parser;

rust/kcl-lib/tests/kcl_samples/axial-fan/artifact_graph_flowchart.snap.md

@@ -605,19 +605,19 @@ flowchart LR
   84 --- 147
   84 --- 233
   87 --- 169
-  87 x--> 184
+  87 x--> 183
   87 --- 212
   87 --- 257
   89 --- 168
-  89 x--> 184
+  89 x--> 183
   89 --- 214
   89 --- 258
   90 --- 167
-  90 x--> 184
+  90 x--> 183
   90 --- 211
   90 --- 256
   92 --- 166
-  92 x--> 184
+  92 x--> 183
   92 --- 213
   92 --- 259
   119 --- 162
@@ -865,10 +865,10 @@ flowchart LR
   221 <--x 181
   222 <--x 181
   193 <--x 182
-  211 <--x 183
+  211 <--x 184
-  212 <--x 183
+  212 <--x 184
-  213 <--x 183
+  213 <--x 184
-  214 <--x 183
+  214 <--x 184
   203 <--x 186
   204 <--x 186
   205 <--x 186

rust/kcl-lib/tests/kcl_samples/bench/artifact_graph_flowchart.snap.md

@@ -241,8 +241,8 @@ flowchart LR
   7["Plane<br>[334, 354, 8]"]
   8["Plane<br>[3807, 3842, 8]"]
   9["Plane<br>[3807, 3842, 8]"]
-  10["Plane<br>[3873, 3902, 8]"]
+  10["Plane<br>[3871, 3900, 8]"]
-  11["Plane<br>[3873, 3902, 8]"]
+  11["Plane<br>[3871, 3900, 8]"]
   12["StartSketchOnPlane<br>[2700, 2720, 8]"]
   13["StartSketchOnPlane<br>[1737, 1757, 8]"]
   14["StartSketchOnPlane<br>[3258, 3278, 8]"]
@@ -268,8 +268,8 @@ flowchart LR
   234["Sweep Extrusion<br>[2618, 2642, 8]"]
   235["Sweep Extrusion<br>[3180, 3204, 8]"]
   236["Sweep Extrusion<br>[3180, 3204, 8]"]
-  237["Sweep Sweep<br>[3924, 3951, 8]"]
+  237["Sweep Sweep<br>[3922, 3949, 8]"]
-  238["Sweep Sweep<br>[3924, 3951, 8]"]
+  238["Sweep Sweep<br>[3922, 3949, 8]"]
   239[Wall]
   240[Wall]
   241[Wall]