parser: fix comptime_for in repl (script mode) (fix #5976) (#17963)

vlib/v/parser/parser.v

@@ -751,6 +751,10 @@ pub fn (mut p Parser) top_stmt() ast.Stmt {
 				if p.peek_tok.kind == .eof {
 					return p.unexpected(got: 'eof')
 				}
+				if p.peek_tok.kind == .key_for {
+					comptime_for_stmt := p.comptime_for()
+					return p.other_stmts(comptime_for_stmt)
+				} else {
 					if_expr := p.if_expr(true)
 					cur_stmt := ast.ExprStmt{
 						expr: if_expr
@@ -762,6 +766,7 @@ pub fn (mut p Parser) top_stmt() ast.Stmt {
 						return p.other_stmts(cur_stmt)
 					}
 				}
+			}
 			.hash {
 				return p.hash()
 			}

vlib/v/slow_tests/repl/comptime_for.repl

@@ -0,0 +1,10 @@
+struct Person {
+	name string
+	age int
+}
+$for field in Person.fields {
+	println(field.name)
+}
+===output===
+name
+age