fixed inline map splats expansion in function calls

lynglib/src/commonMain/kotlin/net/sergeych/lyng/Compiler.kt

@@ -1044,7 +1044,7 @@ class Compiler(
                 }
 
                 Token.Type.ELLIPSIS -> {
-                    parseStatement()?.let { args += ParsedArgument(it, t.pos, isSplat = true) }
+                    parseExpression()?.let { args += ParsedArgument(it, t.pos, isSplat = true) }
                         ?: throw ScriptError(t.pos, "Expecting arguments list")
                 }
 
@@ -1110,7 +1110,7 @@ class Compiler(
                 }
 
                 Token.Type.ELLIPSIS -> {
-                    parseStatement()?.let { args += ParsedArgument(it, t.pos, isSplat = true) }
+                    parseExpression()?.let { args += ParsedArgument(it, t.pos, isSplat = true) }
                         ?: throw ScriptError(t.pos, "Expecting arguments list")
                 }
 

lynglib/src/commonTest/kotlin/ScriptTest.kt

@@ -4284,4 +4284,17 @@ class ScriptTest {
             
         """.trimIndent())
     }
+
+    @Test
+    fun testAutoSplatArgs() = runTest {
+        eval("""
+            fun tf(x, y, z) {
+                "x=%s, y=%s, z=%s"(x,y,z)
+            }
+            assertEquals(tf(1, 2, 3), "x=1, y=2, z=3")
+            val a = { x: 3, y: 4, z: 5 }
+            assertEquals(tf(...a), "x=3, y=4, z=5")
+            assertEquals(tf(...{ x: 3, y: 4, z: 50 }), "x=3, y=4, z=50")
+        """.trimIndent())
+    }
 }