feature: goto definition (#11143) 4f005f715e

Co-authored-by: Luigi Rosso <luigi-rosso@users.noreply.github.com>

.rive_head

diff --git a/.rive_head b/.rive_head
index 58fcd84..c07112e 100644
--- a/.rive_head
+++ b/.rive_head
@@ -1 +1 @@
-d4dfc63c3a25171f7915d383e242441f5834f850
+4f005f715eedd281cc911e739b42109fafee0633

src/lua/rive_lua_libs.cpp

diff --git a/src/lua/rive_lua_libs.cpp b/src/lua/rive_lua_libs.cpp
index 0684315..b0662dd 100644
--- a/src/lua/rive_lua_libs.cpp
+++ b/src/lua/rive_lua_libs.cpp
@@ -137,6 +137,8 @@
     {LUA_OSLIBNAME, luaopen_os},
     {LUA_STRLIBNAME, luaopen_string},
     {LUA_UTF8LIBNAME, luaopen_utf8},
+    {LUA_BUFFERLIBNAME, luaopen_buffer},
+    {LUA_BITLIBNAME, luaopen_bit32},
     {"math", luaopen_rive_math},
     {"renderer", luaopen_rive_renderer_library},
     {"properties", luaopen_rive_properties},

tests/unit_tests/runtime/scripting/scripting_require_check.cpp

diff --git a/tests/unit_tests/runtime/scripting/scripting_require_check.cpp b/tests/unit_tests/runtime/scripting/scripting_require_check.cpp
index 3333e0b..d3c7e4f 100644
--- a/tests/unit_tests/runtime/scripting/scripting_require_check.cpp
+++ b/tests/unit_tests/runtime/scripting/scripting_require_check.cpp
@@ -71,4 +71,72 @@
     ScriptingTest vm("return os.date(\"!%Y-%m-%d %H:%M:%S\",1761608005)\n", 1);
     auto result = lua_tostring(vm.state(), -1);
     CHECK(result == std::string("2025-10-27 23:33:25"));
+}
+
+TEST_CASE("buffer API is available", "[scripting]")
+{
+    // Test buffer creation and basic operations
+    ScriptingTest vm("local buf = buffer.create(10)\n"
+                     "buffer.writei8(buf, 0, 42)\n"
+                     "local value = buffer.readi8(buf, 0)\n"
+                     "return value",
+                     1);
+    lua_Number result = lua_tonumber(vm.state(), -1);
+    CHECK(result == 42);
+}
+
+TEST_CASE("buffer fromstring and tostring work", "[scripting]")
+{
+    // Test buffer string conversion
+    ScriptingTest vm("local buf = buffer.fromstring('hello')\n"
+                     "return buffer.tostring(buf)",
+                     1);
+    auto result = lua_tostring(vm.state(), -1);
+    CHECK(result == std::string("hello"));
+}
+
+TEST_CASE("buffer len works", "[scripting]")
+{
+    // Test buffer length
+    ScriptingTest vm("local buf = buffer.create(20)\n"
+                     "return buffer.len(buf)",
+                     1);
+    lua_Number result = lua_tonumber(vm.state(), -1);
+    CHECK(result == 20);
+}
+
+TEST_CASE("bit32 API is available", "[scripting]")
+{
+    // Test bit32 bitwise operations
+    ScriptingTest vm("local result = bit32.band(5, 3)\n"
+                     "return result",
+                     1);
+    lua_Number result = lua_tonumber(vm.state(), -1);
+    CHECK(result == 1); // 5 & 3 = 1
+}
+
+TEST_CASE("bit32 bor and bxor work", "[scripting]")
+{
+    // Test bit32 OR and XOR operations
+    ScriptingTest vm("local orResult = bit32.bor(5, 3)\n"
+                     "local xorResult = bit32.bxor(5, 3)\n"
+                     "return orResult, xorResult",
+                     2);
+    lua_Number orResult = lua_tonumber(vm.state(), -2);
+    lua_Number xorResult = lua_tonumber(vm.state(), -1);
+    CHECK(orResult == 7);  // 5 | 3 = 7
+    CHECK(xorResult == 6); // 5 ^ 3 = 6
+}
+
+TEST_CASE("bit32 shifts work", "[scripting]")
+{
+    // Test bit32 shift operations
+    ScriptingTest vm("local leftShift = bit32.lshift(1, 3)\n"
+                     "local rightShift = bit32.rshift(8, 3)\n"
+                     "return leftShift, rightShift",
+                     2);
+    lua_Number leftShift = lua_tonumber(vm.state(), -2);
+    lua_Number rightShift = lua_tonumber(vm.state(), -1);
+    CHECK(leftShift == 8);  // 1 << 3 = 8
+    CHECK(rightShift == 1); // 8 >> 3 = 1
 }
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