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python · Jul 11, 2023 · 20ad6ab · 20ad6ab
1 parent 00afb90
commit 20ad6ab
Showing 1 changed file with 35 additions and 27 deletions.
diff --git a/Python/emscripten_trampoline.c b/Python/emscripten_trampoline.c
@@ -1,6 +1,6 @@
 #if defined(PY_CALL_TRAMPOLINE)
 
-#include <emscripten.h>             // EM_JS, EM_JS_DEPS
+#include <emscripten.h>             // EM_JS
 #include <Python.h>
 #include "pycore_runtime.h"         // _PyRuntime
 
@@ -10,19 +10,24 @@
  * https://github.com/GoogleChromeLabs/wasm-feature-detect/blob/main/src/detectors/type-reflection/index.js
  */
 EM_JS(int, _PyEM_detect_type_reflection, (), {
-  return "Function" in WebAssembly;
+    return "Function" in WebAssembly;
 });
 
 void
 _Py_EmscriptenTrampoline_Init(_PyRuntimeState *runtime)
 {
-  runtime->wasm_type_reflection_available = _PyEM_detect_type_reflection();
+    runtime->wasm_type_reflection_available = _PyEM_detect_type_reflection();
 }
 
 /**
  * Backwards compatible trampoline works with all JS runtimes
  */
-EM_JS(PyObject*, _PyEM_TrampolineCall_JavaScript, (PyCFunctionWithKeywords func, PyObject *arg1, PyObject *arg2, PyObject *arg3), {
+EM_JS(PyObject*,
+_PyEM_TrampolineCall_JavaScript, (PyCFunctionWithKeywords func,
+                                  PyObject *arg1,
+                                  PyObject *arg2,
+                                  PyObject *arg3),
+{
     return wasmTable.get(func)(arg1, arg2, arg3);
 }
 );
@@ -31,14 +36,16 @@ EM_JS(PyObject*, _PyEM_TrampolineCall_JavaScript, (PyCFunctionWithKeywords func,
  * In runtimes with WebAssembly type reflection, count the number of parameters
  * and cast to the appropriate signature
  */
-EM_JS(int, _PyEM_CountFuncParams, (PyCFunctionWithKeywords func), {
-  let n = _PyEM_CountFuncParams.cache.get(func);
-  if (n !== undefined) {
+EM_JS(int, _PyEM_CountFuncParams, (PyCFunctionWithKeywords func),
+{
+    let n = _PyEM_CountFuncParams.cache.get(func);
+
+    if (n !== undefined) {
+        return n;
+    }
+    n = WebAssembly.Function.type(wasmTable.get(func)).parameters.length;
+    _PyEM_CountFuncParams.cache.set(func, n);
     return n;
-  }
-  n = WebAssembly.Function.type(wasmTable.get(func)).parameters.length;
-  _PyEM_CountFuncParams.cache.set(func, n);
-  return n;
 }
 _PyEM_CountFuncParams.cache = new Map();
 )
@@ -52,23 +59,24 @@ typedef PyObject* (*three_arg)(PyObject*, PyObject*, PyObject*);
 
 PyObject*
 _PyEM_TrampolineCall_Reflection(PyCFunctionWithKeywords func,
-              PyObject* self,
-              PyObject* args,
-              PyObject* kw)
+                                PyObject* self,
+                                PyObject* args,
+                                PyObject* kw)
 {
-  switch (_PyEM_CountFuncParams(func)) {
-    case 0:
-      return ((zero_arg)func)();
-    case 1:
-      return ((one_arg)func)(self);
-    case 2:
-      return ((two_arg)func)(self, args);
-    case 3:
-      return ((three_arg)func)(self, args, kw);
-    default:
-      PyErr_SetString(PyExc_SystemError, "Handler takes too many arguments");
-      return NULL;
-  }
+    switch (_PyEM_CountFuncParams(func)) {
+        case 0:
+            return ((zero_arg)func)();
+        case 1:
+            return ((one_arg)func)(self);
+        case 2:
+            return ((two_arg)func)(self, args);
+        case 3:
+            return ((three_arg)func)(self, args, kw);
+        default:
+            PyErr_SetString(PyExc_SystemError,
+                            "Handler takes too many arguments");
+            return NULL;
+    }
 }
 
 #endif