default input

Author: kennykerr

crates/libs/bindgen/src/lib.rs

@@ -145,7 +145,7 @@ where
     }
 
     if input.is_empty() {
-        panic!("at least one `--in` is required");
+        input.push("default");
     };
 
     if output.is_empty() {

crates/tests/bindgen/src/default_assumed.rs

@@ -0,0 +1,9 @@
+#![allow(
+    non_snake_case,
+    non_upper_case_globals,
+    non_camel_case_types,
+    dead_code,
+    clippy::all
+)]
+
+windows_targets::link!("kernel32.dll" "system" fn GetTickCount() -> u32);

crates/tests/bindgen/src/default_default.rs

@@ -0,0 +1,9 @@
+#![allow(
+    non_snake_case,
+    non_upper_case_globals,
+    non_camel_case_types,
+    dead_code,
+    clippy::all
+)]
+
+windows_targets::link!("kernel32.dll" "system" fn GetTickCount() -> u32);

crates/tests/bindgen/src/lib.rs

@@ -12,6 +12,8 @@ pub mod core_sys_flat_no_core;
 pub mod core_sys_no_core;
 pub mod core_win;
 pub mod core_win_flat;
+pub mod default_assumed;
+pub mod default_default;
 pub mod delegate;
 pub mod delegate_generic;
 pub mod deps;

crates/tests/bindgen/tests/panic.rs

@@ -1,13 +1,8 @@
+#[track_caller]
 fn bindgen(args: &str) {
     windows_bindgen::bindgen(args.split_whitespace());
 }
 
-#[test]
-#[should_panic(expected = "at least one `--in` is required")]
-fn at_least_one_input() {
-    bindgen("");
-}
-
 #[test]
 #[should_panic(expected = "exactly one `--out` is required")]
 fn at_least_one_output() {

crates/tools/bindgen/src/main.rs

@@ -132,6 +132,12 @@ fn main() {
     // Tests for sort order
     test("--out sort.rs --filter E_FAIL S_FALSE E_OUTOFMEMORY ERROR_OUTOFMEMORY Windows.Foundation.Rect RECT GetTickCount FatalExit --sys --no-core");
 
+    // Tests input defaults
+    test_raw(
+        "--out default_default.rs --filter GetTickCount --sys --flat --no-comment --in default",
+    );
+    test_raw("--out default_assumed.rs --filter GetTickCount --sys --flat --no-comment");
+
     // Tests for header elements
     test_raw("--out comment.rs --in default --filter GetTickCount --sys --flat");
     test_raw(