Add tests for nested struct literals

tests/expectations/both/prefixed_struct_literal_deep.c

@@ -0,0 +1,17 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct PREFIXBar {
+  int32_t a;
+} PREFIXBar;
+
+typedef struct PREFIXFoo {
+  int32_t a;
+  uint32_t b;
+  PREFIXBar bar;
+} PREFIXFoo;
+
+#define PREFIXVAL (PREFIXFoo){ .a = 42, .b = 1337, .bar = (PREFIXBar){ .a = 323 } }
+
+void root(PREFIXFoo x);

tests/expectations/prefixed_struct_literal_deep.c

@@ -0,0 +1,17 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+typedef struct {
+  int32_t a;
+} PREFIXBar;
+
+typedef struct {
+  int32_t a;
+  uint32_t b;
+  PREFIXBar bar;
+} PREFIXFoo;
+
+#define PREFIXVAL (PREFIXFoo){ .a = 42, .b = 1337, .bar = (PREFIXBar){ .a = 323 } }
+
+void root(PREFIXFoo x);

tests/expectations/prefixed_struct_literal_deep.cpp

@@ -0,0 +1,20 @@
+#include <cstdint>
+#include <cstdlib>
+
+struct PREFIXBar {
+  int32_t a;
+};
+
+struct PREFIXFoo {
+  int32_t a;
+  uint32_t b;
+  PREFIXBar bar;
+};
+
+static const PREFIXFoo PREFIXVAL = (PREFIXFoo){ .a = 42, .b = 1337, .bar = (PREFIXBar){ .a = 323 } };
+
+extern "C" {
+
+void root(PREFIXFoo x);
+
+} // extern "C"

tests/expectations/tag/prefixed_struct_literal_deep.c

@@ -0,0 +1,17 @@
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+struct PREFIXBar {
+  int32_t a;
+};
+
+struct PREFIXFoo {
+  int32_t a;
+  uint32_t b;
+  struct PREFIXBar bar;
+};
+
+#define PREFIXVAL (PREFIXFoo){ .a = 42, .b = 1337, .bar = (PREFIXBar){ .a = 323 } }
+
+void root(struct PREFIXFoo x);

tests/rust/prefixed_struct_literal_deep.rs

@@ -0,0 +1,20 @@
+#[repr(C)]
+struct Foo {
+    a: i32,
+    b: u32,
+    bar: Bar,
+}
+
+#[repr(C)]
+struct Bar {
+    a: i32,
+}
+
+const VAL: Foo = Foo {
+    a: 42,
+    b: 1337,
+    bar: Bar { a: 323 },
+};
+
+#[no_mangle]
+pub extern "C" fn root(x: Foo) {}

tests/rust/prefixed_struct_literal_deep.toml

@@ -0,0 +1,2 @@
+[export]
+prefix = "PREFIX"